資源簡介
航天控制系統設計仿真工具箱 — SCT。SCT（Spacecraft Control Toolbox）是由美國普林斯頓衛星系統公司（PSS）開發的一款MATLAB 附加工具箱，能夠提供豐富的經過大量工程驗證的控制系統設計和仿真模型庫，涵蓋了航天器控制設計的各個方面，迄今這些系統仍然在太空正常運行，其中Cakrawarta-1 衛星姿態控制系統設計節省了約90% 的投入。軟件的模型和數據易于修改并可查看幾乎全部源代碼，SCT 工具可加快航天控制系統開發速度，并提升控制系統開發精度。
代碼片段和文件信息
function?[?rRT?tToGoMem?tToGo?tDone?]?=?TimeGUI（?totalSteps?stepsDone?tToGoMem?rRT?dT?name?）
%-------------------------------------------------------------------------------
%???Computes?the?time?left?to?go?in?the?simulation?the?predicted?finish
%???time?and?the?ratio?of?simulation?time?to?real?time.?This?routine
%???should?be?called?at?regular?intervals.
%-------------------------------------------------------------------------------
%???Form:
%???[?rRT?tToGoMem?tToGo?tDone?]?=?TimeGUI（?totalSteps?stepsDone?tToGoMem?rRT?dT?name?）
%-------------------------------------------------------------------------------
%
%???------
%???Inputs
%???------
%???totalSteps?????????????Total?number?of?steps?in?the?simulation
%???stepsDone??????????????Number?of?steps?completed
%???tToGoMem???????????????Memory?[lastJD?lastStepsDone?number?of?averages?done]
%???rRT????????????????????Ratio?of?simulation?time?to?real?time
%???dT?????????????????????Simulation?time?step?（sec）?
%???name???????????????????Name?of?simulation??????????
%
%???-------
%???Outputs
%???-------
%???rRT????????????????????Ratio?of?simulation?time?to?real?time
%???tToGoMem???????????????Memory?[lastJD?lastStepsDone?number?of?averages?done]
%???tToGo??????????????????Time?left?in?the?simulation
%???tDone??????????????????Predicted?clock?time?of?finish
%
%-------------------------------------------------------------------------------
%-------------------------------------------------------------------------------
% ?Copyright?1995?Princeton?Satellite?Systems?Inc.?All?rights?reserved.
%-------------------------------------------------------------------------------
jD?=?Date2JD（clock）;
if（?nargin???stepsDone?=?0;
end
if（?nargin? tToGoMem.lastJD????????=?0;?
tToGoMem.lastStepsDone?=?0;?
tToGoMem.kAve??????????=?0;
end
if（?nargin???rRT?=?0;
end
if（?stepsDone?==?0?）
??lastJD????????=?jD;?
??lastStepsDone?=?0;?
??kAve??????????=?0;
??rRT???????????=?0;
??if（?nargin? name?=?‘Time?Statistics‘;
??end
??tToGoMem.hGUI?=?BuildGUI（?name?）;
else
??lastJD????????=?tToGoMem.lastJD;?
??lastStepsDone?=?tToGoMem.lastStepsDone;?
??kAve??????????=?tToGoMem.kAve;
end
if（?stepsDone?>?0?&?lastJD?>?0?）
??kAve????????=?kAve?+?1;
??r???????????=?（dT/86400）*（stepsDone-lastStepsDone）/（jD-lastJD）;
??rRT?????????=?（?（kAve-1）*rRT?+?r?）/kAve;
??simTimeToGo?=?dT*（totalSteps?-?stepsDone）;
??tToGo???????=?simTimeToGo/rRT;
??jDDone??????=?jD?+?tToGo/86400;
??tDone???????=?JD2Date（?jDDone?）;
??if（?nargout?==?2?）
????t??=?tToGo;
????hh?=?floor（t/3600）;
????t??=?t?-?3600*hh;
????mm?=?floor（t/60）;
????t??=?t?-???60*mm;
tDone（1）?=?tDone（1）?-?100*floor（tDone（1）/100）;
if（?rRT?>?1?）
??????sRT?=?sprintf（‘Sim?speed?is?%6.2f%%?faster?than?real?time‘100*（rRT-1））;
else
??????sRT?=?sprintf（‘Sim?speed?is?%6.2f%%?of?real?time‘100*rRT）;
end
?? sTToGo?=?sprintf（‘%4.2f%%?complete?with?%2.2i:%2.2i:%5.2f?to?go‘100*（stepsDone/totalSteps）hhmmt）;
?? sComp??=?sprintf（‘Should?be?comple?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2010-07-15?09:21??Spacecraft?Control?Toolbox\
?????文件?????1864555??2000-12-15?18:40??Spacecraft?Control?Toolbox\ACSTheory.pdf
?????目錄???????????0??2010-07-15?09:21??Spacecraft?Control?Toolbox\Ephem\
?????文件????????1517??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\CEcl2Eq.m
?????文件????????5727??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\Contents.m
?????文件????????1443??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\Date2DN.m
?????文件????????1156??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\Date2FY.m
?????文件????????2586??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\Date2JD.m
?????文件????????1174??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\Deg2DMS.m
?????文件????????1220??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\Deg2HMS.m
?????文件????????1322??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\DeltaML.m
?????文件????????2232??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\DeltaT.m
?????文件????????1152??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\DMS2Deg.m
?????文件????????1511??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\DMS2Rad.m
?????文件????????1269??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\DN2Date.m
?????文件????????1656??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\DTAToDTS.m
?????文件????????1504??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\DTSToDTA.m
?????文件????????1813??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\EarthNut.m
?????文件????????1611??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\EarthPre.m
?????文件????????1784??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\EarthRot.m
?????文件????????1746??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\EarthRotationZero.m
?????文件????????1101??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\EarthRte.m
?????文件????????1217??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\ECIToECIR.m
?????文件???????16733??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\ECIToPlanet.m
?????文件????????4226??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\Eclipse.m
?????文件????????1902??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\EclipseDuration.m
?????文件????????1637??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\EOfE.m
?????文件????????2224??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\FindSolsticeOrEquinox.m
?????文件????????1163??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\FSolstice.m
?????文件????????1399??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\GASTime.m
?????文件????????1685??2001-02-13?17:59??Spacecraft?Control?Toolbox\Ephem\GMSTime.m
............此處省略1305個文件信息
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