C51的PID算法

多言数穷

//PID算法温控C语言2008-08-17 18:58
#include<w77e58.h>
3 f8 d* S# G$ U+ W#include<intrins.h>
, c4 ?0 t2 V4 n8 e  o#include<math.h>
#include<string.h>
; B4 Q' y9 M  y% F* Gstruct PID {
unsigned int SetPoint; // 设定目标 Desired Value
unsigned int Proportion; // 比例常数 Proportional Const
unsigned int Integral; // 积分常数 Integral Const
1 x+ R% ~. h$ l5 Yunsigned int Derivative; // 微分常数 Derivative Const
- B2 G/ C1 N$ \1 M# [unsigned int LastError; // Error[-1]
5 ^& `+ \. t( t. Funsigned int PrevError; // Error[-2]
7 A0 g% ]/ d9 V5 w( I* Funsigned int SumError; // Sums of Errors
8 i- [4 c1 j5 t1 H  L. A. q  J};
struct PID spid; // PID Control Structure
6 m! H; h6 ~4 gunsigned int rout; // PID Response (Output)
& O: w; f7 T% U: E3 P) wunsigned int rin; // PID Feedback (Input)
sbit data1=P1^0;
" _4 o; \  e; _" l, c6 Asbit clk=P1^1;
sbit plus=P2^0;
; w9 z  \5 g0 F% E; e" Qsbit subs=P2^1;
sbit stop=P2^2;
sbit output=P3^4;
sbit DQ=P3^3;
unsigned char flag,flag_1=0;
unsigned char high_time,low_time,count=0;//占空比调节参数
unsigned char set_temper=35;
unsigned char temper;
unsigned char i;
0 O4 R5 t8 c4 O$ R1 i3 Q. ^unsigned char j=0;
/ n) \% q$ Q- q/ a6 p9 @0 Hunsigned int s;
$ ~3 j+ W& D9 ~9 E4 f5 c1 g/ `/***********************************************************

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道法自然

C51的PID算法,学习了