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資源簡介

按照文檔中的步驟建立了衛星姿態仿真系統,控制器采用PID控制。可以對照文檔學習驗證。結果通過示波器圖像顯示。

資源截圖

代碼片段和文件信息

clear;
clc;
d2r=pi/180;%%degree2radian

%%%轉動慣量IB
IB=[1.250.00.0
????0.09.650.0
????0.00.09.65];

%%%轉動慣量IB的逆invIB
invIB=inv(IB);

%%%初始角速度Wwo
Ww0=[000]‘*d2r;

%%%初始姿態角(按照ZYX轉動得到的Euler姿態角)fei0=[Phi?Theta?Psi]
fei0=[101010]‘*d2r;

%%%初始姿態四元數[Q00?Q0]
Q00?=?cos(fei0(1)/2)*cos(fei0(2)/2)*cos(fei0(3)/2)+sin(fei0(1)/2)*sin(fei0(2)/2)*sin(fei0(3)/2);
Q1?=?sin(fei0(1)/2)*cos(fei0(2)/2)*cos(fei0(3)/2)-cos(fei0(1)/2)*sin(fei0(2)/2)*sin(fei0(3)/2);
Q2?=?cos(fei0(1)/2)*sin(fei0(2)/2)*cos(fei0(3)/2)+sin(fei0(1)/2)*cos(fei0(2)/2)*sin(fei0(3)/2);
Q3?=?-sin(fei0(1)/2)*sin(fei0(2)/2)*cos(fei0(3)/2)+cos(fei0(1)/2)*cos(fei0(2)/2)*sin(fei0(3)/2);
Q0=[Q1?Q2?Q3];

%%%目標姿態角(體坐標系下,按照ZYX轉動得到的Euler姿態角)fei0=[Phi?Theta?Psi]
fei1=[000]‘*d2r;

%%%目標姿態四元數Qt=[qt0?qt]
qt0?=?cos(fei1(1)/2)*cos(fei1(2)/2)*cos(fei1(3)/2)+sin(fei1(1)/2)*sin(fei1(2)/2)*sin(fei1(3)/2);
qt1?=?sin(fei1(1)/2)*cos(fei1(2)/2)*cos(fei1(3)/2)-cos(fei1(1)/2)*sin(fei1(2)/2)*sin(fei1(3)/2);
qt2?=?cos(fei1(1)/2)*sin(fei1(2)/2)*cos(fei1(3)/2)+sin(fei1(1)/2)*cos(fei1(2)/2)*sin(fei1(3)/2);
qt3?=?-sin(fei1(1)/2)*sin(fei1(2)/2)*cos(fei1(3)/2)+cos(fei1(1)/2)*cos(fei1(2)/2)*sin(fei1(3)/2);
Qt=[qt0?qt1?qt2?qt3];

%%%初始角動量HB0
HB0=[IB*Ww0]‘;%HB0設置為行向量以便與Simulink中的積分器模塊的輸入值對應

%%%軌道角速度(Height=300KM)
Wio=[0?-2*pi/5431.184?0]‘;

%%%角速度陀螺:常值漂移cong,白噪聲sample時間Tscontrol和增益Noig,精度Gyquan
cong=[111]*0.5/3600*d2r;%%每3600s漂移0.5?度
Noig=[111]*1/3*5*10^(-5)*d2r;
Gyquan=[111]*1.e-6*d2r;
Tscontrol=0.05;

%%%?PD?控制的控制參數Kp,Kd?均為三維
wnx=5;
wny=5;
wnz=5;
Kp=[1.25/0.515*wnx^2*0.69.65/3.18*wny^2*0.69.65/1.59*wnz^2*0.6]*2;
Kd=[2*wnx*1.25/0.515*22*wny*9.65/3.182*wnz*9.65/1.59*2]*sqrt(0.6);

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????6453231??2018-07-03?15:37??Simulink仿真衛星姿態控制.pdf

?????文件??????26627??2018-09-12?09:40??weixingpid\attitudecontrolpid.slx

?????文件???????1833??2018-09-12?09:55??weixingpid\attitudepid.m

?????目錄??????????0??2018-09-13?15:35??weixingpid

-----------?---------??----------?-----??----

??????????????6481691????????????????????4


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