PID1 TPA Implementation
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@ -55,7 +55,7 @@ int16_t axisPID[3];
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int32_t axisPID_P[3], axisPID_I[3], axisPID_D[3];
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#endif
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uint8_t dynP8[3], dynI8[3], dynD8[3];
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uint8_t dynP8[3], dynI8[3], dynD8[3], redP8[3], redI8[3], redD8[3];
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static int32_t errorGyroI[3] = { 0, 0, 0 };
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static float errorGyroIf[3] = { 0.0f, 0.0f, 0.0f };
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@ -700,13 +700,13 @@ static void pidRewrite(pidProfile_t *pidProfile, controlRateConfig_t *controlRat
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RateError = AngleRateTmp - (gyroData[axis] / 4);
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// -----calculate P component
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PTerm = (RateError * pidProfile->P8[axis]) >> 7;
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PTerm = (RateError * redP8[axis]) >> 7;
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// -----calculate I component
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// there should be no division before accumulating the error to integrator, because the precision would be reduced.
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// Precision is critical, as I prevents from long-time drift. Thus, 32 bits integrator is used.
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// Time correction (to avoid different I scaling for different builds based on average cycle time)
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// is normalized to cycle time = 2048.
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errorGyroI[axis] = errorGyroI[axis] + ((RateError * cycleTime) >> 11) * pidProfile->I8[axis];
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errorGyroI[axis] = errorGyroI[axis] + ((RateError * cycleTime) >> 11) * redI8[axis];
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// limit maximum integrator value to prevent WindUp - accumulating extreme values when system is saturated.
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// I coefficient (I8) moved before integration to make limiting independent from PID settings
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@ -724,7 +724,7 @@ static void pidRewrite(pidProfile_t *pidProfile, controlRateConfig_t *controlRat
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deltaSum = delta1[axis] + delta2[axis] + delta;
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delta2[axis] = delta1[axis];
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delta1[axis] = delta;
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DTerm = (deltaSum * pidProfile->D8[axis]) >> 8;
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DTerm = (deltaSum * redD8[axis]) >> 8;
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// -----calculate total PID output
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axisPID[axis] = PTerm + ITerm + DTerm;
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@ -100,7 +100,7 @@ int16_t headFreeModeHold;
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int16_t telemTemperature1; // gyro sensor temperature
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static uint32_t disarmAt; // Time of automatic disarm when "Don't spin the motors when armed" is enabled and auto_disarm_delay is nonzero
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extern uint8_t dynP8[3], dynI8[3], dynD8[3];
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extern uint8_t dynP8[3], dynI8[3], dynD8[3], redP8[3], redI8[3], redD8[3];
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typedef void (*pidControllerFuncPtr)(pidProfile_t *pidProfile, controlRateConfig_t *controlRateConfig,
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uint16_t max_angle_inclination, rollAndPitchTrims_t *angleTrim, rxConfig_t *rxConfig); // pid controller function prototype
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@ -218,6 +218,11 @@ void annexCode(void)
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dynI8[axis] = (uint16_t)currentProfile->pidProfile.I8[axis] * prop1 / 100;
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dynD8[axis] = (uint16_t)currentProfile->pidProfile.D8[axis] * prop1 / 100;
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// non coupled PID reduction used in PID controller 1
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redP8[axis] = (uint16_t)currentProfile->pidProfile.P8[axis] * prop2 / 100;
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redI8[axis] = (uint16_t)currentProfile->pidProfile.I8[axis] * prop2 / 100;
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redD8[axis] = (uint16_t)currentProfile->pidProfile.D8[axis] * prop2 / 100;
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if (rcData[axis] < masterConfig.rxConfig.midrc)
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rcCommand[axis] = -rcCommand[axis];
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}
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