Epsilon Engineering Services _Pty_ Ltd by gyvwpsjkko

VIEWS: 6 PAGES: 41

									Aircraft store integration
Technical Overview
  SYSTEM ENGINEERING
  Functional Specif ication Development and Evaluation
  Integration
  Environmental Engineering

  WDNS
  Ballistic simulation                                                             GUIDANCE & CONTROL
  Release parameters                                                               Mid course navigation
  Release environment                                                              Terminal guidance
  Navigation                                                                       Semi Active Laser modelling
                                                         AERODYNAMIC
                                                         CHARACTERISTICS
  HARDWARE INTERFACE
                                                         Parameter Estimation

   ANALYSIS                                              BALLISTIC SIMULATION
   Release clearance                                     Trajectory prediction
   Aero-ballistic interf erence                          Environmental ef f ects
                                                         Sensitivity analysis
                                                         Operational planning
  MEASUREMENTS
  CT trajectories                                        IMPACT ANALYSIS
  Ejection velocity                                      Accuracy, Dispersion
  Separation trajectory                                  CEP
  Captive Trajectory System                              Hit probability




        Integration
Weapons IntegrationIntegration                                      2                                            2
MIL HDBK 1763
1. SCOPE
        1.1 Scope
        1.2 Purpose
2. REFERENCED DOCUMENTS
        2.1 General Standards and documents
        2.2 Military standards
        2.3 Filter standards and documents
3. DEFINITIONS




Weapons IntegrationIntegration            3
  MIL HDBK 1763
4. GENERAL REQUIREMENTS
        4.1 COMPATIBILITY ASSESMENT/ANALYSIS
                4.1.1         General
                4.1.2         Data Required
                4.1.3         Physical Compatibility Review
                        4.1.3.1         Data Required
                        4.1.3.2         Review Objectives
                        4.1.3.3         Physical Deficiency




Weapons IntegrationIntegration                          4
MIL HDBK 1763
        4.1 COMPATIBILITY ASSESMENT/ANALYSIS
                4.1.4            Engineering Analysis
                      4.1.4.1             General Analysis
                      4.1.4.2             Structural Analysis
                      4.1.4.3             Aerodynamic Analysis
                      4.1.4.4             Aeroelastic Analysis
                      4.1.4.5             Separation Analysis
                      4.1.4.6             Environmental Analysis
                      4.1.4.7             Stores Propulsion Analysis
                      4.1.4.8             Shipboard Suitability Analysis
                      4.1.4.9             Target Acquisition Analysis for Guided Weapons
                      4.1.4.10            Gun Gas Analysis
                      4.1.4.11            Thermal Analysis
                      4.1.4.12            Ballistic Analysis
                      4.1.4.13            Safe Escape Analysis
                      4.1.4.14            Electromagnetic Analysis
                4.1.5         Results of Engineering Analysis
                      4.1.5.1             Determination


Weapons IntegrationIntegration                             5
MIL HDBK 1763
        4.2 TEST REQUIREMENTS AND PLANNING
                4.2.1          General
                4.2.2          Types of Testing
                4.2.3          Mission Requirements
                4.2.4          Test Sequence
                4.2.5          Data Acquisition
                4.2.6          Test Planning
                         4.2.6.1         Explosive Safety




Weapons IntegrationIntegration                          6
MIL HDBK 1763
4.3             COMPLETION OF CERTIFICATION ANALYSES
                4.3.1            Determinations
                4.3.2            Certification Recommendation
                4.3.3            Responsibilities
4.4             CERTIFICATION DOCUMENTATION REPORTS
                4.4.1          General
                4.4.2          Report Types
                         4.4.2.1         Data Report
                         4.4.2.2         Final Report




Weapons IntegrationIntegration                            7
MIL HDBK 1763
5. DETAILED REQUIREMENTS
        5.1 GENERAL
        5.2 TEST STRUCTURE
                5.2.1            Ground Tests Procedures
                5.2.2            Flight Tests Procedures
                5.2.3            Armament System Software
                5.2.4            Human Factors and mission Effectiveness
        5.3 CERTIFICATION APPROVAL
6. NOTES
        6.1 Intended use
        6.2 Tailoring Guidance
                6.2.1            Tailoring for 1.3.1 Provision




Weapons IntegrationIntegration                               8
MIL HDBK 1763
Appendix A. Ground Test Procedures
                   100          Fit and Function
                   110          Static Ejection
                   120          Aeroelastic Ground Vibration Test (GVT)
                   130          Structural Integrity
                   140          Wind Tunnel
                   150          Environmental
                   160          Gun/Rocket/Missile Firing




Weapons IntegrationIntegration                             9
MIL HDBK 1763
Appendix B. Flight Test Procedures
                   200          In-flight Loads and Structural Integrity
                   210          Flutter
                   220          Environmental
                   230          Flying Qualities
                   240          Performance and Drag
                   250          Captive Flight Profile (CFP)
                   270          Employment
                   280          Jettison
                   290          Ballistic




Weapons IntegrationIntegration                               10
MIL HDBK 1763
Appendix C. Aircraft/Store
       Compatibility Engineering Data Package
                    Part I      Functional Description
                    Part II     Fit and Function
                    Part III Structural and Environmental
                    Part IV Aeroelasticity
                    Part V      Captive Carriage, Flying Qualities, and Performance
                    Part VI Employment and Jettison
                    Part VII Mission Planning, Ballistics, Safe Escape, and Munitions
                              Effectiveness
                    Part VIII Procedures
                    Part IX Specifications




Weapons IntegrationIntegration                             11
Aircraft store integration
    Interface Manual
    Separation analysis
    Separation verification
    Ejection release units
    Drag characteristics
    Ballistic analysis
    WDNS
    Aeroelasticity and flutter
    Handling analysis
    Test execution
    Integration



        Integration
Weapons IntegrationIntegration   24 Nov 1999   12
Aircraft Interface Manual
 The manual was developed to give relevant
  SAAF personnel and subcontractors
  centralised access to information relating to
  the products currently in use in the SAAF.
 Interfaces, general product information,
  dimensions and sketches all form part of a
  typical page.




        Integration
Weapons IntegrationIntegration   24 Nov 1999   13
Aircraft Interface Manual
 The AIM Interactive Demonstration
  Program
 The interactive interface has many
  benefits, some of which are:
        Ease of information retrieval
        Easily maintainable information
         configuration




        Integration
Weapons IntegrationIntegration   24 Nov 1999   14
Separation analysis
 Analytical separation analysis is an essential part of store
  release clearance where it is applied along with empirical and
  experimental methods.
 Aerodynamic panel code ARUV developed at Defencetek
  (CSIR) and Epsilon. Epsilon established the store release
  analysis capability at Denel Aviation and Kentron
 Graphic post processors demonstrated in this presentation.




        Integration
Weapons IntegrationIntegration   24 Nov 1999   15
Separation analysis
                                 Tank jettison simulation




        Integration
Weapons IntegrationIntegration      24 Nov 1999   16
Separation analysis
 G3D is a graphical post
  processor for the ARUV
  aerodynamics engine.
 The G3D program is in use with
  many of the SA aeronautics
  industry organisations as the
  viewer of choice for the ARUV
  results




        Integration
Weapons IntegrationIntegration   24 Nov 1999   17
Separation verification
       Store release clearance verification
       Ejection velocity measurement
       Impact velocity measurement
       HUD Analysis for bombing accuracy calculations




        Integration
Weapons IntegrationIntegration   24 Nov 1999   18
Separation verification
 The VEject/VPeg family of
  software analyse displacement,
  velocity and acceleration of
  moving stores.
 The principles and process used
  in the measurement can be
  applied to any moving image.
 Epsilon has successfully
  measured impact velocities as
  well as separation velocities from
  aircraft.




        Integration
Weapons IntegrationIntegration   24 Nov 1999   19
Ejection release units
 ERU’s introduce an initial velocity and pitch rate
 Safe release requirements and stick spacing indicate the use of
  ejectors
 Accurate delivery of the bomb requires correct ejection
  characteristics for store/station/ERU combination.
 Epsilon takes part in investigations into ERU cartridges, and has
  successfully applied this knowledge to improve bombing accuracy




        Integration
Weapons IntegrationIntegration   24 Nov 1999   20
Ejection release units




        Integration
Weapons IntegrationIntegration   24 Nov 1999   21
Ejection release units




        Integration
Weapons IntegrationIntegration   24 Nov 1999   22
Drag characteristics
       Process measured noisy trajectory data with Extended Kalman Filter
       Evaluate aerodynamic drag as function of Mach number
       Evaluate dynamic stability characteristics




        Integration
Weapons IntegrationIntegration   15 February 2000   23
Drag characteristics




        Integration
Weapons IntegrationIntegration   24 Nov 1999   24
Drag characteristics




        Integration
Weapons IntegrationIntegration   24 Nov 1999   25
Ballistic analysis
 Point mass ballistics & 6DOF
 Release conditions (ERU, aircraft flight path simulation)
 Weapon staging (booster/retarder/dispensing)
 Atmospheric properties (standard and non-standard ISA,
  measured, wind)
 Sensitivity analysis
 Safe escape analysis




        Integration
Weapons IntegrationIntegration   24 Nov 1999   26
Ballistic analysis




        Integration
Weapons IntegrationIntegration   24 Nov 1999   27
WDNS
 Weapons delivery computer
 Measurement of delivery parameters
 Modelling of the ballistics
 Accuracy analysis
 Developed and verified data for Cheetah C and D
 Accuracy analysis for Mirage F1




        Integration
Weapons IntegrationIntegration   24 Nov 1999   28
                                               WDNS
Improvement achieved in accuracy of delivery




           Improvement in the accuracy of delivery of Mk81 LD
           bombs with the Cheetah D WDNS by correcting the
           ballistic characteristics



        Integration
Weapons IntegrationIntegration   24 Nov 1999     29
Aeroelasticity and Flutter
 Integrated with aeroelasticity and flutter analysis and testing.
 Services offered via CSIR include
            Vibration testing and modal analysis of complete aircraft configuration
            FE modal analysis and updating
            Analytical subsonic, transonic & supersonic unsteady aerodynamics
            Flutter exciters for flight tests
            Flight test execution and on-line analysis
            Experience with a wide variety of aircraft types and store configurations




        Integration
Weapons IntegrationIntegration   24 Nov 1999    30
Handling Analysis
 Broad experience in stability and control analysis.
 Analyses performed on variety of aircraft, UAV’s and bombs.
 Stability coefficients obtained from wide variety of sources including
            Datcom & ESDU’s
            Wind-tunnel
            CFD
            Flight test
 Non-linear 6-DOF simulation capability




        Integration
Weapons IntegrationIntegration   24 Nov 1999   31
Flight Testing

 Development & qualification
         Component level
         Systems level
 Test specification
 Test execution
 Data analysis




        Integration
Weapons IntegrationIntegration   24 Nov 1999   32
Flight Testing
Helicopter and Anti-Tank Missile




        Integration
Weapons IntegrationIntegration   24 Nov 1999   33
Integration
1760 / 1553

 Functional Integration
         LRU functional compliance
         Functional interface between LRU’s
         Crew procedures
 Analysis
         Data viewer & Post-processor
         Data reduction
         Data interpretation




        Integration
Weapons IntegrationIntegration   24 Nov 1999   34
Integration
Data analysis




        Integration
Weapons IntegrationIntegration   24 Nov 1999   35
Simulation Capability
Aim
                   Functional specification development
                   Evaluation of external influences on weapon performance
                   Verification of conformance with functional specification
                   Operational modelling and mission simulation
                   Flight test design & post-test analysis




Weapons IntegrationIntegration                   36
Simulation of guided weapons
Simulation Capabilities
             Aerodynamics, dynamics & propulsion
             Seeker scanning & lock-on logic
             Autopilot
             Mid-course navigation
             Terminal guidance
             Release from parent aircraft
             Laser propagation, background radiance, estimation of SNR at seeker
             Errors at any point within system
             Hit probability analysis
             Preparation of input for mission analysis software




 Weapons IntegrationIntegration               37
Simulation of guided weapons
Analysis Capabilities
          Hit probability analysis
          Preparation of input for mission analysis




 Weapons IntegrationIntegration     38
Simulation of guided weapons
Simulation




 Weapons IntegrationIntegration   39
Simulation of guided weapons
Simulation




 Weapons IntegrationIntegration   40
Simulation of guided weapons
Simulation




 Weapons IntegrationIntegration   41
            Thank you for watching the

                            Epsilon Engineering
                               Presentation


Weapons IntegrationIntegration
        Integration              24 Nov 1999   42   42
                       1000

                                     900                                               5


                                                                                             5.5
                                     800

                                     700
                                           0                          500                                1000                       1500
                                                                                     X [m]




        Integration
Weapons IntegrationIntegration                 24 Nov 1999                      27
WDNS
 Weapons delivery computer
 Measurement of delivery parameters
 Modelling of the ballistics
 Accuracy analysis
 Developed and verified data for Cheetah C and D
 Accuracy analysis for Mirage F1




        Integration
Weapons IntegrationIntegration   24 Nov 1999   28
                                                                                     WDNS
Improvement achieved in accuracy of delivery

                                                            NEW ballistics                     OLD ballistics
                                             400
              WDNS range error Ex WDNS (m)




                                             300

                                             200

                                             100

                                               0




                                                                                                                     ALL
                                                    3

                                                        4

                                                            5

                                                                8

                                                                    9




                                                                                     1

                                                                                          2

                                                                                              6

                                                                                                    7




                                                                                                                           OLD
                                                                         12

                                                                                13




                                                                                                        10

                                                                                                                11




                                                                                                                                 NEW
                                             -100
                                                                             Individual bomb numbers



           Improvement in the accuracy of delivery of Mk81 LD
           bombs with the Cheetah D WDNS by correcting the
           ballistic characteristics


        Integration
Weapons IntegrationIntegration                                      24 Nov 1999                29
Aeroelasticity and Flutter
 Integrated with aeroelasticity and flutter analysis and testing.
 Services offered via CSIR include
            Vibration testing and modal analysis of complete aircraft configuration
            FE modal analysis and updating
            Analytical subsonic, transonic & supersonic unsteady aerodynamics
            Flutter exciters for flight tests
            Flight test execution and on-line analysis
            Experience with a wide variety of aircraft types and store configurations




        Integration
Weapons IntegrationIntegration   24 Nov 1999    30
Handling Analysis
 Broad experience in stability and control analysis.
 Analyses performed on variety of aircraft, UAV’s and bombs.
 Stability coefficients obtained from wide variety of sources including
            Datcom & ESDU’s
            Wind-tunnel
            CFD
            Flight test
 Non-linear 6-DOF simulation capability




        Integration
Weapons IntegrationIntegration   24 Nov 1999   31
Flight Testing

 Development & qualification
         Component level
         Systems level
 Test specification
 Test execution
 Data analysis




        Integration
Weapons IntegrationIntegration   24 Nov 1999   32
Flight Testing
Helicopter and Anti-Tank Missile




        Integration
Weapons IntegrationIntegration   24 Nov 1999   33
Integration
1760 / 1553

 Functional Integration
         LRU functional compliance
         Functional interface between LRU’s
         Crew procedures
 Analysis
         Data viewer & Post-processor
         Data reduction
         Data interpretation




        Integration
Weapons IntegrationIntegration   24 Nov 1999   34
Integration
Data analysis




        Integration
Weapons IntegrationIntegration   24 Nov 1999   35
Simulation Capability
Aim
                    Functional specification development
                    Evaluation of external influences on weapon performance
                    Verification of conformance with functional specification
                    Operational modelling and mission simulation
                    Flight test design & post-test analysis




Weapons IntegrationIntegration                    36
Simulation of guided weapons
Simulation Capabilities
             Aerodynamics, dynamics & propulsion
             Seeker scanning & lock-on logic
             Autopilot
             Mid-course navigation
             Terminal guidance
             Release from parent aircraft
             Laser propagation, background radiance, estimation of SNR at seeker
             Errors at any point within system
             Hit probability analysis
             Preparation of input for mission analysis software




 Weapons IntegrationIntegration              37
Simulation of guided weapons
Analysis Capabilities
          Hit probability analysis
          Preparation of input for mission analysis




 Weapons IntegrationIntegration     38
Simulation of guided weapons
Simulation

                                                                3 -D Tra je c t o ry
         H e ig h t (m )




                           300
                           200
                           100
                             0

                                 0
                                     500
                                           1000
                                                  1500
                                                         2000
                                                                2500
                                                                            3000
                                                                                         3500
                                                                                                     4000                 50
                                                                                                                          1 00
                                                                                                            4500          150
                                                                                                                   5000
                                                                             X-d is t a n c e (m )                               Y -d is t a n c e (m




 Weapons IntegrationIntegration                                        39
Simulation of guided weapons
Simulation
                                                                                              F in d e fle c t io n s
                                                                   10


                                                                     8                P it c h fin d e fle c t io n
                                                                                      Y a w fin d e fle c t io n

                                                                     6


                                                                     4
                                  F in d e fle c t io n (d e g )




                                                                     2


                                                                     0


                                                                    -2


                                                                    -4


                                                                    -6


                                                                    -8


                                                                   -1 0
                                                                          0   2   4       6              8              10   12   14   16
                                                                                                   Tim e (s )




 Weapons IntegrationIntegration                                                                         40
Simulation of guided weapons
Simulation




 Weapons IntegrationIntegration   41
             Thank you for watching the

                            Epsilon Engineering
                               Presentation


Weapons IntegrationIntegration
        Integration              24 Nov 1999   42   42

								
To top