#ifndef PID_CONTROL_H
#define PID_CONTROL_H

class pid_control
{
    //位置式PID
    class PID_position
    {
    private:
        float kp;//比例系数
        float ki;//积分系数
        float kd;//微分系数
        float target;//目标值
        float actual;//实际值
        float e;//误差
        float e_pre;//上一次误差
        float integral;//积分项
    public:
        PID_position();
        ~PID_position(){};
        PID_position(float p,float i,float d);
        float pid_control(float tar,float act);//执行PID控制
        void pid_show();//显示PID控制器的内部参数
    };
    //增量式PID
    class PID_incremental
    {
    private:
        float kp;
        float ki;
        float kd;
        float target;
        float actual;
        float e;
        float e_pre_1;
        float e_pre_2;
        float A;
        float B;
        float C;
    public:
        PID_incremental();
        PID_incremental(float p,float i,float d);
        float pid_control(float tar,float act);
        void pid_show();
    };


public:
    pid_control();
};

#endif // PID_CONTROL_H