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					                                                                                                       QFD Matrix
                                                                                                       PHASE I QFD                                                                                                                                                                                                   {Balance Training Stationary Bicycle}


                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                Correlation Codes
                                  Maximum force the tilt mechanism can exert back on the bike                                                                                                                                                                                                                                                                                                                                                                                                                                                                   + + Very Positive
                                                 Range of tilt resistence for varying rider sizes                                               +                                                                                                                                                                                                                                                                                                                                                                                                                + Positive
                                                                    Angles of lockout capability                                                                                                      ++                                                                                                                                                                                                                                                                                                                                                          - Negative
                                                                      Resistence against pedals                                                                                                                                                                                                                                                                                                                                                                                                                                                                  - - Very Negative
                                                                             Variation from center                                                                                                           +                                           ++
                                                                                       Display size
                                                                                        Count falls                                                                                                   ++                                                                                                               +                     +
                                                                                   Audio feedback                                                                                                                                                                                                                                                           +
                                                                                       Battery Life                                                                                                                                                                                                                                          -              -                -
                                                                               Ability to reset unit                                                                                                                                                                                                                                         +              +                                -
                                                                                 Instruction Sheet
                                                                          Maintain frame stability                                              +                                                            +
                                                                                    Conceal wires                                                                                                                                                                                                                                                                                                               -                                            -
                                                                    Display box stability improved                                                                                                                                                                                                                                           +                                                                  -                                                                 +
                                                                       Stay quiet during operation                                                                                                                                                                                             -                                                                             -                                                                                                                       +
                                                                                                                                                                                                      Target

                                                                                                                                                                                                                                                         Target

                                                                                                                                                                                                                                                                                        Target




                                                                                                                                                                                                                                                                                                                                                           Target

                                                                                                                                                                                                                                                                                                                                                                         Target



                                                                                                                                                                                                                                                                                                                                                                                                          Target

                                                                                                                                                                                                                                                                                                                                                                                                                                  Target
                                                                                                                                                                                                                                                                                                                    Down
                                                                                                                                        Up




                                                                                                                                                                                                                                                                                                                                            Up




                                                                                                                                                                                                                                                                                                                                                                                          Up




                                                                                                                                                                                                                                                                                                                                                                                                                                                      Up

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Up

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Up

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Up
                                                                                                          Preferred
                                                                                                                                                                                                                                                                                                                                                 Engineering Metrics
                                                                                                                                        Maximum force the tilt mechanism can exert back on the bike

                                                                                                                                                                                                      Range of tilt resistence for varying rider sizes




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Display box stability improved
                                                                                                                                                                                                                                                         Angles of lockout capability




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  Stay quiet during operation
                                                                                                                                                                                                                                                                                        Resistence against pedals




                                                                                                                                                                                                                                                                                                                                                                                                                                                      Maintain frame stability
                                                                                                              Customer Weights




                                                                                                                                                                                                                                                                                                                    Variation from center




                                                                                                                                                                                                                                                                                                                                                                                                          Ability to reset unit

                                                                                                                                                                                                                                                                                                                                                                                                                                  Instruction Sheet
                                                                                                                                                                                                                                                                                                                                                                         Audio feedback




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 Conceal wires
                                                                                                                                                                                                                                                                                                                                            Display size




                                                                                                                                                                                                                                                                                                                                                                                          Battery Life
                                                                                                                                                                                                                                                                                                                                                           Count falls




Customer Requirements
Have consistent resistance across range of motion                                                                                14.8              x                                                           x                                                                                                                                             x
Be adjustable for patient needs                                                                                                   4.9              x                                                           x                                              x                                                                                                                                                                                           x
Variable tilt angles to lockout for safety                                                                                        1.6              x                                                           x                                              x                                                                                                                                                                                           x
Avoid static starting friction                                                                                                   14.8                                                                                                                                                       x                                                                                                                                                                                                                                          x
Have no skipping issues throughout range of motion                                                                               14.8                                                                                                                                                       x                                                                                                                                                                                                                                          x
Clear instructions about operation                                                                                                4.9              x                                                           x                                              x                             x                                                                                                                                        x
Large pictures for ease of understanding                                                                                          1.6                                                                                                                                                                                                                                                                                                x
Improve accuracy                                                                                                                  4.9                                                                                                                                                                                   x                                    x
Larger display                                                                                                                    1.6                                                                                                                                                                                                         x                                                                                                                                                       x
Count the number of times the patient hits the maximum tilt angle                                                                 4.9              x                                                           x                                              x                                                                                              x
Audio feedback                                                                                                                    1.6                                                                                                                                                                                                                                      x                                                                                                                                                           x
Incorporate variable tilt angles                                                                                                  4.9              x                                                           x                                              x                                                         x                                    x
Operates for a normal usage time period                                                                                           4.9                                                                                                                                                                                                         x              x             x                                  x
Be able to reset                                                                                                                  4.9                                                                                                                                                                                                                                                                         x                                           x                                           x
Maintain stability                                                                                                               14.8              x                                                           x                                              x                             x                                                                                                                                                             x
Conceal loose wires                                                                                                               1.6                                                                                                                                                                                                                                                                                                                                              x
Stabilize part in display                                                                                                        14.8                                                                                                                                                                                                         x                            x                                                                                                                          x
Keep mechanical noise to a minimum                                                                                                1.6                                                                                                                                                       x                                                                              x                                                                                                                                                           x
                                                                                                                                                         350 lb/in def

                                                                                                                                                                                                                    100-300 Lbs




                                                                                                                                                                                                                                                                                                                                                                                             2132 mA*hr
                                                                                                                                                                                                                                                                 10 Degrees



                                                                                                                                                                                                                                                                                                                          0 degrees
                                                                                                                                                                                                                                                                                               0-200N




                                     Technical Targets
                                                                                                                                                                                                                                                                                                                                                           TRUE




                                                                                                                                                                                                                                                                                                                                                                                                          TRUE



                                                                                                                                                                                                                                                                                                                                                                                                                                                      TRUE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 TRUE

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 TRUE
                                                                                                                                                                                                                                                                                                                                                                             75 dB




                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          35 dB
                                                                                                                                                                                                                                                                                                                                                                                                                                       3 Min
                                                                                                                                                                                                                                                                                                                                               4 in




                                                                                                              Better 5                             x                                                                                                                                                                                                                                                                                 x                                                                x                                x
                                                                                                                     4                                                                                                                                        x                             x                           x                                                                                                                                 x                        x
                                  Difficulty in Achieving                                                            3                                                                                         x                                                                                                                              x              x             x                                  x
                                                                                                                     2                                                                                                                                                                                                                                                                      x
                                                                                                              Worse 1

                                                                                                       Raw score
                                                                                                                                        ###### 0

                                                                                                                                                                                                      ###### 0

                                                                                                                                                                                                                                                         ###### 0

                                                                                                                                                                                                                                                                                        ###### 0

                                                                                                                                                                                                                                                                                                                    ###### 0

                                                                                                                                                                                                                                                                                                                                            ###### 0

                                                                                                                                                                                                                                                                                                                                                           ###### 0

                                                                                                                                                                                                                                                                                                                                                                         ###### 0



                                                                                                                                                                                                                                                                                                                                                                                                          ###### 0



                                                                                                                                                                                                                                                                                                                                                                                                                                                      ###### 0

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 ###### 0

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 ###### 0

                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  ###### 0




                                                                                                       Relative Weight




                                                                                                                                        1
                          Needs Summary
                                                        Importan
 Need                  The Product        Needs to
                                                           ce

                                          Have
                                          consistent
                                          resistance
                                          across
                                          range of
Need 1.1 Tilt Mechanism                   motion     9             0.147541   14.7541

                                          Be
                                          adjustable
                                          for patient
Need 1.2 Tilt Mechanism                   needs         3           0.04918 4.918033
                                          Variable
                                          tilt angles
                                          to lockout
Need 1.3 Safety Catch Mechanism           for safety    1          0.016393 1.639344
                                          Avoid
                                          static
                                          starting
Need 2.1 Pedal Resistance Mechanism       friction      9          0.147541   14.7541
                                          Have no
                                          skipping
                                          issues
                                          throughou
                                          t range of
Need 2.2 Pedal Resistance Mechanism       motion        9          0.147541   14.7541
                                          Clear
                                          instruction
                                          s about
Need 3.1 Instruction Sheet                operation     3           0.04918 4.918033
                                          Large
                                          pictures
                                          for ease
                                          of
                                          understan
Need 3.2 Instruction Sheet                ding          1          0.016393 1.639344
                                          Improve
Need 4.1 Tilt Sensor                      accuracy      3           0.04918 4.918033
                                          Larger
Need 4.2 Tilt Sensor                      display       1          0.016393 1.639344
                                          Count the
                                          number of
                                          times the
                                          patient
                                          hits the
                                          maximum
Need 5.1 Fall Counter                     tilt angle    3           0.04918 4.918033
                                          Audio
Need 5.2 Fall Counter                     feedback      1          0.016393 1.639344
                        Incorporat
                        e variable
Need 5.3 Fall Counter   tilt angles   3         0.04918 4.918033
                        Be able to
Need 5.4 Fall Counter   reset         3         0.04918 4.918033
                        Maintain
Need 6.1 Bike Frame     stability     1        0.016393 1.639344
                        Conceal
                        loose
Need 6.2 Bike Frame     wires         1        0.016393 1.639344
                        Stabilize
                        part in
Need 6.3 Bike Frame     display       9        0.147541   14.7541
                        Keep
                        mechanic
                        al noise to
                        a
Need 7.1 Entire Bike    minimum       1        0.016393 1.639344
                                          61

				
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posted:12/3/2011
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