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@ -1,3 +1,5 @@
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#include <math.h>
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#include <stdlib.h>
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#include "PID.h"
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#include "Relays.h"
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#include "USART.h"
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@ -257,6 +259,10 @@ void PID_Calc() // pid calc
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if (pid.set_tem > pid.max_compressor_tem) {
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pid.c_speed = 0;
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} else {
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// if outer temp is got, we calc pid by outer temp
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if (abs(pid.out_tem) > 1e-5) {
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pid.cp = (pid.out_tem - pid.set_tem) / 4.3 + 0.7;
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}
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// use nagetive error and error diff when calc compressor power
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int p_c = calc_cp(delta_t, - Error_calc, - DelEk, pid.c_base, pid.cp, pid.ci, pid.cd);
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pid.c_speed = calc_compressor_speed(p_c, min_speed_count, max_speed_count);
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