| 123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489 |
- /**
- * @copyright None
- * @file AddFunction.c
- * @author Comment Vivre
- * @date 2024-08-28
- * @brief None
- */
- #include <MyProject.h>
- /* Public variables --------------------------------------------------------- */
- bit isCtrlPowOn = false; ///< 开关机控制
- PWMINPUTCAL xdata mcPwmInput; ///< PWM捕获结构体变量
- FOCCTRL xdata mcFocCtrl; ///< FOC电机控制相关结构体变量
- debugONOFFTypeDef xdata debug_ONOFFTest; ///< ONOFF启停测试小工具结构体变量
- RefRamp data LoopRefRamp; ///< 控制指令爬坡结构体相关变量
- /**
- @brief 对变量取16位的绝对值
- @param[in] value
- @return 绝对值
- @date 2022-07-13
- */
- uint16 Abs_F16(int16 value)
- {
- if (value < 0)
- {
- return (-value);
- }
- else
- {
- return (value);
- }
- }
- /**
- @brief 对变量取32位的绝对值
- @param[in] value
- @return 绝对值
- @date 2022-07-13
- */
- uint32 Abs_F32(int32 value)
- {
- if (value < 0)
- {
- return (-value);
- }
- else
- {
- return (value);
- }
- }
- /**
- @brief PWM调速信号计算,本例程提供Duty计算,如需频率信号可自行使用mcPwmInput.Period周期值计算
- @date 2022-07-14
- */
- void PWMDutyCal(void)
- {
- static uint16 dutyTemp = 0;
-
- if (mcPwmInput.isUpdate) // 有新的duty更新
- {
- if ((Abs_F32(mcPwmInput.TimerDR - mcPwmInput.TimerDROld) < 0xFF) // 误差在1个Byte之间再处理
- && (Abs_F32(mcPwmInput.TimerARROld - mcPwmInput.TimerARR) < 0xFF)) // 误差在1个Byte之间再处理
- {
- mcPwmInput.Compare = mcPwmInput.TimerDR; // 读取DR与ARR值
- mcPwmInput.Period = mcPwmInput.TimerARR;
- mcPwmInput.Duty = DivQ_L_MDU(mcPwmInput.Compare >> 1, 0x0000, mcPwmInput.Period);
- /***速度随PWM增大而增大***/
- #if (PWMDUTY_POLARITY == NegaPWMDUTY)
- {
- dutyTemp = 32768 - mcPwmInput.Duty;
- }
- /***速度随PWM增大而减小***/
- #else
- {
- dutyTemp = mcPwmInput.Duty;
- }
- #endif
-
- if ((dutyTemp > ONPWMDuty) && (dutyTemp <= OFFPWMDutyHigh))
- {
- isCtrlPowOn = 1; // 开机
- }
- else if ((dutyTemp < OFFPWMDuty) || (dutyTemp > OFFPWMDutyHigh))
- {
- isCtrlPowOn = 0; // 关机
- }
- else
- {
- // 不做处理,保持前一个状态
- }
-
- // 转速曲线计算
- if (isCtrlPowOn)
- {
- if (dutyTemp <= MINPWMDuty)
- {
- mcFocCtrl.Ref = MOTOR_SPEED_MIN_RPM;
- }
- else if (dutyTemp >= MAXPWMDuty)
- {
- mcFocCtrl.Ref = MOTOR_SPEED_MAX_RPM;
- }
- else
- {
- mcFocCtrl.Ref = MOTOR_SPEED_MIN_RPM + SPEED_K * (dutyTemp - MINPWMDuty);
- }
- }
- else
- {
- mcFocCtrl.Ref = 0;
- }
- }
-
- mcPwmInput.isUpdate = 0;
- mcPwmInput.TimerDROld = mcPwmInput.TimerDR; // 将此次比较值赋值给上次比较值
- mcPwmInput.TimerARROld = mcPwmInput.TimerARR; // 将此次周期值赋值给上次周期值
- }
- }
- /**
- @brief VSP调速信号处理
- @date 2022-07-14
- */
- void VSPSample(void)
- {
- static int16 VSP = 0;
- VSP = LPFFunction(ADC7_DR, VSP, 10); // 注意低通滤波器系数范围为0---127
-
- if (VSP > ONPWMDuty)
- {
- isCtrlPowOn = 1; // 开机
- }
- else if ((VSP < OFFPWMDuty)) // 电机停机
- {
- isCtrlPowOn = 0; // 关机
- }
-
- // 转速曲线计算
- if (isCtrlPowOn) //
- {
- #if (MOTOR_CTRL_MODE == SPEED_LOOP_CONTROL)
- {
- if (VSP <= MINPWMDuty) // 最小转速运行
- {
- mcFocCtrl.Ref = MOTOR_SPEED_MIN_RPM;
- }
- else if (VSP < MAXPWMDuty) // 调速
- {
- mcFocCtrl.Ref = MOTOR_SPEED_MIN_RPM + SPEED_K * (VSP - MINPWMDuty);
- }
- else // 最大转速运行
- {
- mcFocCtrl.Ref = MOTOR_SPEED_MAX_RPM;
- }
- }
- #endif
- }
- else
- {
- mcFocCtrl.Ref = 0;
- }
- }
- /**
- * @function GetSrefKeyGear
- * @brief 根据电压挡位确定输出
- * @param[in] None
- * @return None
- * @date 2024-08-28
- */
- void GetSrefKeyGear(void)
- {
- static uint8 powONHoldCnt = 0;
- static uint8 powOFFHoldCnt = 0;
-
- if (isCtrlPowOn) // 开机状态
- {
- if (mcFocCtrl.SREFValue < VSP_OFF_MIN)
- {
- powOFFHoldCnt ++;
-
- if (powOFFHoldCnt > 50)
- {
- powOFFHoldCnt = 0;
- isCtrlPowOn = false; // 关机
- }
-
- powONHoldCnt = 0;
- }
- }
- else // 关机状态
- {
- if (mcFocCtrl.SREFValue > VSP_ON_MIN)
- {
- powONHoldCnt ++;
-
- if (powONHoldCnt > 50)
- {
- powONHoldCnt = 0;
- isCtrlPowOn = true; // 开机
- }
-
- powOFFHoldCnt = 0;
- }
- }
-
- //转速曲线计算
- if (isCtrlPowOn)
- {
- // 计算公式为
- // Ref = ( 区间UQ差 / 区间调速电压差) * (VSP - 调速下限) + 区间最小UQ值
- if (mcFocCtrl.SREFValue <= 1408)
- { mcFocCtrl.Ref = _Q15(0.120); }
- else if (mcFocCtrl.SREFValue <= 11640 )
- { mcFocCtrl.Ref = 0.864 * (mcFocCtrl.SREFValue - 1408) + _Q15(0.120); }
- else if (mcFocCtrl.SREFValue <= 15530 )
- { mcFocCtrl.Ref = 1.238 * (mcFocCtrl.SREFValue - 11640) + _Q15(0.390); }
- else if (mcFocCtrl.SREFValue <= 19480 )
- { mcFocCtrl.Ref = 1.543 * (mcFocCtrl.SREFValue - 15530) + _Q15(0.537); }
- else if (mcFocCtrl.SREFValue <= 21962 )
- { mcFocCtrl.Ref = 1.755 * (mcFocCtrl.SREFValue - 19480) + _Q15(0.723); }
- else if (mcFocCtrl.SREFValue <= 23368 )
- { mcFocCtrl.Ref = 2.004 * (mcFocCtrl.SREFValue - 21962) + _Q15(0.856); }
- else
- { mcFocCtrl.Ref = _Q15(0.942); }
- }
- else
- { mcFocCtrl.Ref = 0; }
- }
- /**
- @brief 启停测试工具,用于测试启动可靠性
- @date 2022-07-14
- */
- void ONOFF_Test(void)
- {
- if (debug_ONOFFTest.State == 1) // 开机状态
- {
- debug_ONOFFTest.TimeCnt++;
-
- if (debug_ONOFFTest.TimeCnt > ONOFFTEST_ON_TIME)
- {
- debug_ONOFFTest.Times++; // 启停次数+1
- debug_ONOFFTest.State = 0; // 切换到关机状态
- debug_ONOFFTest.TimeCnt = 0;
- mcFocCtrl.Ref = 0; // 目标值也给0
- isCtrlPowOn = 0; // 关机
- }
- }
- else // 关机状态
- {
- debug_ONOFFTest.TimeCnt++;
-
- if (debug_ONOFFTest.TimeCnt > ONOFFTEST_OFF_TIME)
- {
- debug_ONOFFTest.TimeCnt = 0;
-
- if (mcState != mcFault)
- {
- debug_ONOFFTest.State = 1; // 切换到开机状态
- mcFocCtrl.Ref = ONOFFTEST_REF;
- isCtrlPowOn = 1; // 开机
- mcFocCtrl.PowerLimitValue = POWERLPFLIMIT;
- }
- }
- }
- }
- /**
- @brief 调速信号处理包含:开关机控制、将调速信号处理成控制目标给定信号
- @date 2022-07-14
- */
- void GetTargetRef(void)
- {
- #if (SPEED_MODE == PWMMODE)
- {
- PWMDutyCal();
- mcFocCtrl.PowerLimitValue = POWERLPFLIMIT;
- }
- #elif (SPEED_MODE == SREFMODE)
- {
- VSPSample();
- mcFocCtrl.PowerLimitValue = POWERLPFLIMIT;
- }
- #elif (SPEED_MODE == SREFKEYMODE)
- {
- GetSrefKeyGear();
- mcFocCtrl.PowerLimitValue = POWERLPFLIMIT;
- }
- #elif (SPEED_MODE == NONEMODE)
- {
- isCtrlPowOn = true;
- mcFocCtrl.Ref = NONE_MODE_SPEED;
- mcFocCtrl.PowerLimitValue = POWERLPFLIMIT;
- }
- #elif (SPEED_MODE == ONOFFTEST)
- {
- ONOFF_Test();
- }
- #endif
- }
- /**
- @brief 外部闭环控制函数,示例代码提供 电流环,速度环,功率环,UQ控制示例代码,可根据需要自行修改
- 建议使用默认1ms周期运行
- @date 2022-07-14
- */
- void LoopResponse(void)
- {
- static int16 refRampOut = 0;
-
- switch (mcFocCtrl.CtrlMode)
- {
- case 0:
- {
- if (mcFocCtrl.SpeedFlt > MOTOR_LOOP_RPM)
- {
- mcFocCtrl.Mode0HoldCnt++;
-
- if (mcFocCtrl.Mode0HoldCnt > 10)
- {
- FOC_QKP = QKP;
- FOC_QKI = QKI;
- FOC_DKP = DKP;
- FOC_DKI = DKI;
- // FOC_THECOMP = _Q15(-25.0 / 180.0); // SMO 估算补偿角
- // 启动电流环与外环给定衔接
- #if (MOTOR_CTRL_MODE == SPEED_LOOP_CONTROL)
- LoopRefRamp.Out = mcFocCtrl.SpeedFlt;
- #elif (MOTOR_CTRL_MODE == POWER_LOOP_CONTROL)
- LoopRefRamp.Out = mcFocCtrl.Power;
- #elif (MOTOR_CTRL_MODE == UQ_LOOP_CONTROL)
- LoopRefRamp.Out = mcFocCtrl.UqFlt;
- #elif (MOTOR_CTRL_MODE == UQ_POWER_CONTROL)
- LoopRefRamp.Out = mcFocCtrl.UqFlt;
- #endif
- mcFocCtrl.LoopTime = LOOP_TIME;
- LoopRefRamp.Inc = RAMP_INC;
- LoopRefRamp.Dec = RAMP_DEC;
- mcFocCtrl.IqRef = FOC_IQREF;
- FOC_IDREF = ID_RUN_CURRENT; // D轴启动电流
- PI1_UKH = mcFocCtrl.IqRef;
- PI2_Init(); // PI初始化
- // 弱磁
- #if (MotorFiledWeakenEn)
- FiledWeakenInit();
- #endif
- // 电压补偿
- VoltageComp.Undervoltage_flag = 0;
- VoltageComp.IncVoltage = _Q15(40.0 / HW_BOARD_VOLT_MAX);
- VoltageComp.LineAngel = LinearCompensationAngel;
- VoltageComp.LineAngelMax = LinearCompensationAngel_MAX;
- VoltageComp.LineAngelMin = LinearCompensationAngel_MIN;
- VoltageComp.VCDelayCnt = VoltageCompensationDelayCnt;
- mcFocCtrl.CtrlMode = 1;
- }
- }
- else
- { mcFocCtrl.Mode0HoldCnt = 0; }
-
- break;
- }
-
- case 1:
- {
- mcFocCtrl.LoopTime++;
-
- if (mcFocCtrl.LoopTime >= LOOP_TIME)
- {
- mcFocCtrl.LoopTime = 0;
- refRampOut = LoopRamp(mcFocCtrl.Ref); // 控制命令爬坡函数,用于实现调速信号之间平滑过渡
- #if (MOTOR_CTRL_MODE == CURRENT_LOOP_CONTROL)
- {
- mcFocCtrl.IqRef = refRampOut;
- FOC_IQREF = mcFocCtrl.IqRef;
- }
- #elif (MOTOR_CTRL_MODE == SPEED_LOOP_CONTROL)
- {
- mcFocCtrl.IqSpeedRef = HW_One_PI(refRampOut - mcFocCtrl.SpeedFlt);
- mcFocCtrl.LimitIqOut = HW_One_PI2(mcFocCtrl.PowerLimitValue - mcFocCtrl.Power); // 限制功率
-
- if ((mcFocCtrl.LimitIqOut < mcFocCtrl.IqSpeedRef)) // 限制输出电流
- {
- mcFocCtrl.ExtDec = (mcFocCtrl.IqRef - mcFocCtrl.LimitIqOut) / 3;
- mcFocCtrl.IqRef -= mcFocCtrl.ExtDec;
- }
- else
- { mcFocCtrl.IqRef = mcFocCtrl.IqSpeedRef; }
-
- #if (MotorFiledWeakenEn)
- FileWeakenControl();
- #else
- FOC_IQREF = mcFocCtrl.IqRef;
- #endif
- }
- #elif (MOTOR_CTRL_MODE == POWER_LOOP_CONTROL)
- {
- mcFocCtrl.IqRef = HW_One_PI(refRampOut - mcFocCtrl.Power);
- FOC_IQREF = mcFocCtrl.IqRef;
- }
- #elif (MOTOR_CTRL_MODE == UQ_LOOP_CONTROL)
- {
- mcFocCtrl.IqRef = HW_One_PI(refRampOut - mcFocCtrl.UqFlt);
- FOC_IQREF = mcFocCtrl.IqRef;
- }
- #elif (MOTOR_CTRL_MODE == UQ_POWER_CONTROL)
- {
- // 反馈计算
- mcFocCtrl.LoopCalcValue = mcFocCtrl.UqFlt * 0.65 + mcFocCtrl.Power * 0.61;
-
- // 限幅
- if (mcFocCtrl.LoopCalcValue > 32440)
- { mcFocCtrl.LoopCalcValue = 32440;}
-
- mcFocCtrl.IqRef = HW_One_PI(refRampOut - mcFocCtrl.LoopCalcValue);
- FOC_IQREF = mcFocCtrl.IqRef;
- }
- #endif
- }
-
- #if (SVPWM_5_Segment_Run_Enale == 1) // 开启五段式
- {
- if (mcFocCtrl.SpeedFlt > Motor_F5SEG_Speed)
- { SetBit(FOC_CR2, F5SEG); }
- else if (mcFocCtrl.SpeedFlt < Motor_F7SEG_Speed)
- { ClrBit(FOC_CR2, F5SEG); }
- }
- #endif
- break;
- }
- }
- }
- /**
- @brief 控制给定爬坡函数
- 以浮点进行计算,解决整数爬坡由于精度的影响,导致爬坡结果阶梯变化
- 函数控制周期默认为闭环控制周期,建议使用默认1ms周期运行
- @param[in] ref 给定目标值
- @return 爬坡结果(int16)
- @date 2022-07-14
- */
- int16 LoopRamp(int16 Xn0)
- {
- LoopRefRamp.In = Xn0; // 爬坡函数输入
-
- // 数据爬坡处理
- if ((LoopRefRamp.Out + LoopRefRamp.Inc) < LoopRefRamp.In)
- { LoopRefRamp.Out += LoopRefRamp.Inc; }
- else if ((LoopRefRamp.Out - LoopRefRamp.Dec) > LoopRefRamp.In)
- { LoopRefRamp.Out -= LoopRefRamp.Dec; }
-
- return (int16)LoopRefRamp.Out;
- }
- /**
- @brief 启动ATO爬坡函数,用于静止启动时候对ATO进行爬坡,提高启动可靠性
- @date 2022-07-14
- */
- void ATORamp(void)
- {
- if (mcFocCtrl.State_Count == (ATO_RAMP_PERIOD << 2))
- {
- FOC_EKP = OBSW_KP_GAIN_RUN1; // 估算器里的PI的KP
- FOC_EKI = OBSW_KI_GAIN_RUN1; // 估算器里的PI的KI
- }
- else if (mcFocCtrl.State_Count == ((ATO_RAMP_PERIOD << 1) + ATO_RAMP_PERIOD))
- {
- FOC_EKP = OBSW_KP_GAIN_RUN2; // 估算器里的PI的KP
- FOC_EKI = OBSW_KI_GAIN_RUN2; // 估算器里的PI的KI
- }
- else if (mcFocCtrl.State_Count == (ATO_RAMP_PERIOD << 1))
- {
- FOC_EKP = OBSW_KP_GAIN_RUN3; // 估算器里的PI的KP
- FOC_EKI = OBSW_KI_GAIN_RUN3; // 估算器里的PI的KI
- }
- else if (mcFocCtrl.State_Count <= ATO_RAMP_PERIOD && mcFocCtrl.Flg_ATORampEnd == 0)
- {
- FOC_EKP = OBSW_KP_GAIN_RUN4; // 估算器里的PI的KP
- FOC_EKI = OBSW_KI_GAIN_RUN4; // 估算器里的PI的KI
- mcFocCtrl.Flg_ATORampEnd = 1; // ATO 爬坡结束
- }
- }
|