An Integrated, Modular Simulation System for Education ... - Cal Poly

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Standard Atmosphere 64Input 65Output 65Feel 65Control System - Closed Loop 67User manual - Intranet/Internet 67Verification of Concept 67CONDUIT 68X-29A - Pitch axis only, State Space, Fixed Wing Model With Feedback 69Modifications Required to Fly 69Observations of Flight Model 70Kaman SH-2 - 3 Axis Non-Linear State Space Helicopter Model with Feedback 72Modifications Required to Fly 73Observations of Flight Model 73Control Laws and Trim 74Insight into Control Laws 74North American Aviation Navion — Fixed Wing 6-DOF Non-linear 75Model Assumptions 75Portability 76SAD Files 76Test Setup for Feedback 77Portability of Simulations - Unix to PC 77Analysis Tools 77Matlab Analysis Tools 77CIFER 77Data Collection 81CONCLUSIONS 82LESSONS LEARNED 83Parallel Capabilities 83Open Code - Maintainability 83viii
FUTURE WORK 84Advanced Aerodynamics 84Ground effects 84Transonic 84Supersonic 84Hypersonic 84Helicopter Rotor Dynamics 84Momentum Theory 84Blade Element 84Non-Rigid Structures 84Propulsions 84Multiple-Engine Model 84Non-Centerline Propulsion 84Complex Modeling of Various Systems 85Landing Gear 85Additional Hardware in the Loop 85Coordinate Transform to Place Eyepoint in Cockpit 85Simulink Blocks 85Real-time Timing Block for use on a PC 85Flybox 85Graphics 86REFERENCES 87APPENDIX 90EULER HELP FILE 90ix
Page 2: Authorization PageI grant permissio
Page 6 and 7: Table of ContentsLIST OF TABLESXIIL
Page 10 and 11: RK4 (RUNGE-KUTTA) HELP FILE 91RK4 (
Page 12 and 13: List of TablesTablePageTable 1. Air
Page 14 and 15: Figure 27. Kaman SH2-F 72Figure 28.
Page 16 and 17: has been developing a set of the ba
Page 18 and 19: Simulink is a graphical user interf
Page 20 and 21: computers are now fast enough to do
Page 22 and 23: simulation after the conversion. Th
Page 24 and 25: then a simple one axis closed loop
Page 26 and 27: PhEagle IPhEagle Hardware - Sim Cab
Page 28 and 29: highlight some text on a word proce
Page 30 and 31: up to perform the less processor in
Page 32 and 33: the Heads Up Display (HUD). While c
Page 34 and 35: and monitors and computer code to s
Page 36 and 37: Existing Simulation ToolsThere are
Page 38 and 39: great control over the model dynami
Page 40 and 41: Figure 11 BYOFS Original ScreenFigu
Page 42 and 43: Basic 6-DOF Nonlinear, Rigid Body,
Page 44 and 45: 0 18 Cmu - Pitch moment due to forw
Page 46 and 47: each of the linear force terms. The
Page 48 and 49: PhEagle IIPhEagle II Introduction a
Page 50 and 51: instructor a graphical interface to
Page 52 and 53: Simulink block set, however, when m
Page 54 and 55: existing graphics by creating a TCP
Page 56 and 57: Simulink environment, and Mathworks
Page 58 and 59:
D/A (output) block is the code for
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Table 9 Cab InputsInput from cab ou
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Key Features of SimulationsStabilit
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subsystem with inputs and outputs.
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viewer has the end of the runway co
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The 6 degree of freedom (3 translat
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difference between the two axes are
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Unit Delay1zelevatorelevElevElevato
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6 DOF Model VerificationThe 6 DOF m
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oth models. The two state space mod
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Impulse ResponseRoll Angle32.5Ampli
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modeled. By feeding back any of the
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R10000 processors an inceptor Flybo
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directly to the Euler block the out
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function and the dynamics were very
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made by handling qualities engineer
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mode. The aircraft was divergent de
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simplified to resemble a spring-dam
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the data and converting to the prop
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ConclusionsConverting existing soft
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Future WorkPhEagle II provides basi
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workstation or PC for function test
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13. Tischler, M. B.; Chen, R. T. N;
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AppendixEuler Help File%***** euler
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k4=dt*(z(index-1)+l3/2.0);l4=dt*(-a
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float K = 10.0;printf("\nEnter wn [
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Snoopy 2nd order RK4 Class//-------
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{private:void CalcPowerDyn();void C
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int opMode;int oldVmode;int checkpt
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}exit_code = 0;}if (opMode != DEBUG
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}opMode = HELP;else if ((*argv[i] =
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Instrument D/A Simulink S-function/
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* Function: mdlInitializeSampleTime
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cdVerIndicator.channelNumber=5;cdVe
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set(&yawForceOut,*uPtrs[26]);set(&r
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Instrument Help Filefunctionallinst
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Stick D/A Simulink S-function/*****
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aToD12.cntCtrl=addr + 3;aToD12.da1L
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* with in an enabled subsystem whic
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#define MDL_DERIVATIVES /* Change t
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Abbreviated Instrument D/A Simulink
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{d16.nBits=16;d16.baseAddr=0x340;d1
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InputRealPtrsType uPtrs = ssGetInpu
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#ifdef MATLAB_MEX_FILE /* Is this f
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Abbreviated Stick D/A Simulink S-fu
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aToD12.da2Low=addr + 6;aToD12.da2Hi
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*/static void mdlDerivatives(SimStr
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Header file for Stick S-functions//
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Abbreviated Stick Help filefunction
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#define Deg2Rad 0.01745329#define R
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* Parameter Value Description* Name
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* y[15]= qDot* y[16]= rDot* y[17]=
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***** Compute the rolling moment ex
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xDot=u*CTheta*CPsi+v*(SPhi*STheta*C
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SAD file: Navion.tsf2.153 1 Alt1 [f
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% | sAcB -sAsB cA | Fzb% Test dataF
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Standard Atmosphere Simulink S-func
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* in estimate();** Alt=*uPtrs[0]; m
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Euler Coordinate Transform and Inte
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* Abstract:* Specifiy that we inher
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* calulate the trig functions first
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Euler Transform Help Filefunction [
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Game Joystick Driver Simulink S-fun
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*/static void mdlInitializeConditio
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* This function is called once for
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Navion Longitudianal State Space Se
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ANavionLatB=[0 .07045610 028.73202
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Navion Longitudinal State Space Set
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NNavionLatB=[0 0.070456128.73202 2.
Page 196:
% create a frequency vectorw=0.1:0.
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An Integrated, Modular Simulation System for Education ... - Cal Poly

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