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PID 的代码
chap2_7f.m
%PID Controler Based on Ziegler-Nichols
clear all;
close all;
sys=tf(400,[1,30,200,0]);
figure(1);
rlocus(sys);
[km,pole]=rlocfind(sys)
wm=imag(pole(2));
kp=0.6*km
kd=kp*pi/(4*wm)
ki=k
wait.c
/*
* linux/lib/wait.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
*/
#define __LIBRARY__
#include
#include
_syscall3(pid_t,waitpid,pid_t,pid,int *,w
chap2_7f.m
%PID Controler Based on Ziegler-Nichols
clear all;
close all;
sys=tf(400,[1,30,200,0]);
figure(1);
rlocus(sys);
[km,pole]=rlocfind(sys)
wm=imag(pole(2));
kp=0.6*km
kd=kp*pi/(4*wm)
ki=k
叶风 - 利用pid算法和pwm调制实现温度自动控制的源程序.htm
叶风 - 利用PID算法和PWM调制实现温度
apid.m
function [Gc,Kc,KI,KD]=apid(G,Wcg,PM,ess)
% 解析整定法则根据所需闭环性能用解析方法计算PID控制器的参数
% 对象为G，可采用传递函数、零极点和状态空间模型
% Wcg是幅值交角频率，PM是相位裕度，ess是稳态误差
% Gc是PID控制器传递函数，Kc、KI和KD
% Copyright 2000-2001 ECUST.
% $R
wait.c
/*
* linux/lib/wait.c
*
* (C) 1991 Linus Torvalds
*/
#define __LIBRARY__
#include
#include
_syscall3(pid_t,waitpid,pid_t,pid,int *,wait_stat,int,options)
pid_t wait(i
lib.base.c
#include
#include
#include
#include
#include
#include
/* Daemonize myself. */
int
daemon (int nochdir, int noclose)
{
pid_t pid;
minish.h
#define HISNUM 11
#define BUFSIZE 200
typedef struct ENV_HISTROY{
int start;
int end;
char his_cmd[HISNUM][100];
} ENV_HISTORY;
typedef struct NODE{
pid_t pid;
char cmd[100];
char state[1
wait.c
/*
* linux/lib/wait.c
*
* Copyright (C) 1991, 1992 Linus Torvalds
*/
#define __LIBRARY__
#include
#include
_syscall3(pid_t,waitpid,pid_t,pid,int *,w
child04.c
#include "unp.h"
pid_t
child_make(int i, int listenfd, int addrlen)
{
pid_t pid;
void child_main(int, int, int);
if ( (pid = Fork()) > 0)
return(pid); /* parent */
child_main(i, listenfd, ad