diff --git a/Main/motorControl.ino b/Main/motorControl.ino index fe3dcbe..cd84c0c 100644 --- a/Main/motorControl.ino +++ b/Main/motorControl.ino @@ -4,7 +4,7 @@ const float BASE_WIDTH = 0.1837; const float WHEEL_DIAMETER = 0.0677; const float PULSES_PER_TURN = 1320.0; const float BALANCE_POINT = 0.05; -const float SPEED_REFERENCE = 0.0; +const float SPEED_REF = 0.00; const float DEADBAND_M1_POS = 90.0; const float DEADBAND_M1_NEG = 90.0; const float DEADBAND_M2_POS = 90.0; @@ -13,49 +13,42 @@ const float DEADBAND_M2_NEG = 90.0; //Tuning const float K_SC = 20.0; +const float K_TC = 50.0; const float K_OL = 13.0; -const float K_IL = 90.0; -const float I_IL = 5.5; -const float filter_gain = 15.0; +const float K_IL = 85.0; +const float I_IL = 5.25; +const float filter_gain = 16.0; //Help variables -float M1_Lin_Vel, M2_Lin_Vel; -float M1_Ang_Vel, M2_Ang_Vel; -float botLinVel , botAngVel ; -int Speed_CMD, M1_Speed_CMD, M2_Speed_CMD; +int M1_Speed_CMD, M2_Speed_CMD; float ref_SC, act_SC, error_SC, SC_cont_out; +float ref_TC, act_TC, error_TC, TC_cont_out; float ref_OL, act_OL, error_OL, OL_cont_out; -float ref_IL, act_IL, error_IL, iError_IL; - - +float ref_IL, act_IL, error_IL, IL_cont_out, iError_IL; void initMotors() { - // float temp[] = {WHEEL_DIAMETER / 4, WHEEL_DIAMETER / 4, (WHEEL_DIAMETER / 2) / BASE_WIDTH, -(WHEEL_DIAMETER / 2) / BASE_WIDTH}; - // int k = 0; - // for (int i = 0; i < 2; i++) - // { - // for (int j = 0; j < 2; j++) - // { - // inv_Kin[i][j] = temp[k]; - // k = k + 1; - // } - // } - inv_Kin[0][0] = WHEEL_DIAMETER / 4; inv_Kin[1][0] = (WHEEL_DIAMETER / 2) / BASE_WIDTH; inv_Kin[0][1] = WHEEL_DIAMETER / 4; inv_Kin[1][1] = -(WHEEL_DIAMETER / 2) / BASE_WIDTH; - - Matrix.Print((mtx_type*)inv_Kin, 2, 2, "Inverse kinematic matrix"); } void motors() { + //Calculate wheel angular velocity + motor_ang_vel[0][0] = encoderReaderAngVel(m1Raw, m1RawLast, motor_ang_vel[1][0], PULSES_PER_TURN, WHEEL_DIAMETER, dT_s, filter_gain); + motor_ang_vel[1][0] = encoderReaderAngVel(m2Raw, m2RawLast, motor_ang_vel[1][0], PULSES_PER_TURN, WHEEL_DIAMETER, dT_s, filter_gain); + + + //Calculate robot linear and angular velocity + Matrix.Multiply((mtx_type*)inv_Kin, (mtx_type*)motor_ang_vel, 2, 2, 1, (mtx_type*)vel_Matrix); + + // Speed Controller - ref_SC = SPEED_REFERENCE; + ref_SC = SPEED_REF; act_SC = vel_Matrix[0][0]; error_SC = ref_SC - act_SC; SC_cont_out = error_SC * K_SC; @@ -72,35 +65,19 @@ void motors() { act_IL = pitch_rate; error_IL = ref_IL - act_IL; iError_IL = iError_IL + (error_IL * dT_s * I_IL); - Speed_CMD = round((error_IL * K_IL) + iError_IL); - - M1_Speed_CMD = Speed_CMD; - M2_Speed_CMD = Speed_CMD; - - // M1_Speed_CMD = 500; - // M2_Speed_CMD = 500; - - //Calculate speed from encoders - M1_Lin_Vel = encoderReaderLinVel(m1Raw, m1RawLast, M1_Lin_Vel, PULSES_PER_TURN, WHEEL_DIAMETER, dT_s, filter_gain); - M2_Lin_Vel = encoderReaderLinVel(m2Raw, m2RawLast, M2_Lin_Vel, PULSES_PER_TURN, WHEEL_DIAMETER, dT_s, filter_gain); - M1_Ang_Vel = encoderReaderAngVel(m1Raw, m1RawLast, M1_Ang_Vel, PULSES_PER_TURN, WHEEL_DIAMETER, dT_s, filter_gain); - M2_Ang_Vel = encoderReaderAngVel(m2Raw, m2RawLast, M2_Ang_Vel, PULSES_PER_TURN, WHEEL_DIAMETER, dT_s, filter_gain); - - motor_ang_vel[0][0] = M1_Ang_Vel; - motor_ang_vel[1][0] = M2_Ang_Vel; + IL_cont_out = round((error_IL * K_IL) + iError_IL); - //void MatrixMath::Multiply(mtx_type* A, mtx_type* B, int m, int p, int n, mtx_type* C) - //{ - // A = input matrix (m x p) - // B = input matrix (p x n) - // m = number of rows in A - // p = number of columns in A = number of rows in B - // n = number of columns in B - // C = output matrix = A*B (m x n) + //Turn controller + ref_TC = TURN_SPEED_REF; + act_TC = vel_Matrix[0][1]; + error_TC = ref_TC - act_TC; + TC_cont_out = error_TC * K_TC; - Matrix.Multiply((mtx_type*)inv_Kin, (mtx_type*)motor_ang_vel, 2, 2, 1, (mtx_type*)vel_Matrix); + //Sum speed command for motors + M1_Speed_CMD = IL_cont_out - TC_cont_out; + M2_Speed_CMD = IL_cont_out + TC_cont_out; //Motor control @@ -119,17 +96,17 @@ void motors() { // Serial.println(Speed_CMD * (100.0 / 4096.0)); - Serial.print("M1_Ang_Vel:"); - Serial.print(M1_Ang_Vel); - Serial.print(" "); - Serial.print("M2_Ang_Vel:"); - Serial.print(M2_Ang_Vel); - Serial.print(" "); - Serial.print("botLinVel:"); - Serial.print(vel_Matrix[0][0]); - Serial.print(" "); - Serial.print("botAngVel:"); - Serial.println(vel_Matrix[1][0]); + // Serial.print("M1_Ang_Vel:"); + // Serial.print(M1_Ang_Vel); + // Serial.print(" "); + // Serial.print("M2_Ang_Vel:"); + // Serial.print(M2_Ang_Vel); + // Serial.print(" "); + // Serial.print("botLinVel:"); + // Serial.print(vel_Matrix[0][0]); + // Serial.print(" "); + // Serial.print("botAngVel:"); + // Serial.println(vel_Matrix[1][0]); //Update variables for next scan cycle