control for robotic arm that can play chess using a granular gripper
Dependencies: Encoder mbed HIDScope Servo MODSERIAL
Fork of chessRobot by
actuators.cpp@107:de47331612d9, 2015-10-26 (annotated)
- Committer:
- annesteenbeek
- Date:
- Mon Oct 26 13:04:22 2015 +0100
- Revision:
- 107:de47331612d9
- Parent:
- 106:1773bf7b95c5
- Child:
- 109:026abd708dce
added servo control without PWM
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
annesteenbeek | 13:4837b36b9a68 | 1 | #include "actuators.h" |
annesteenbeek | 13:4837b36b9a68 | 2 | #include "PID.h" |
annesteenbeek | 13:4837b36b9a68 | 3 | #include "mbed.h" |
annesteenbeek | 13:4837b36b9a68 | 4 | #include "config.h" |
annesteenbeek | 13:4837b36b9a68 | 5 | #include "encoder.h" |
annesteenbeek | 25:874675516927 | 6 | #include "HIDScope.h" |
annesteenbeek | 107:de47331612d9 | 7 | #include "buttons.h" |
annesteenbeek | 107:de47331612d9 | 8 | #include "Servo.h" |
annesteenbeek | 98:25528494287d | 9 | |
annesteenbeek | 106:1773bf7b95c5 | 10 | // Motor control constants |
annesteenbeek | 106:1773bf7b95c5 | 11 | #define pwm_frequency 50000 // still High, could be lowered |
annesteenbeek | 106:1773bf7b95c5 | 12 | #define PI 3.14159265 |
annesteenbeek | 106:1773bf7b95c5 | 13 | |
annesteenbeek |
32:2006977785f5 | 14 | // functions for controlling the motors |
annesteenbeek | 34:f315b2b38555 | 15 | bool motorsEnable = false; |
annesteenbeek | 106:1773bf7b95c5 | 16 | bool safetyOn = true; |
annesteenbeek | 76:0aa90e728e4a | 17 | |
annesteenbeek | 6:b957d8809e7c | 18 | |
annesteenbeek | 68:21cb054f1399 | 19 | double encoder1Counts = 0; |
annesteenbeek | 68:21cb054f1399 | 20 | double encoder2Counts = 0; |
annesteenbeek | 68:21cb054f1399 | 21 | |
annesteenbeek |
32:2006977785f5 | 22 | bool direction1 = false; // CCW is false(positive rotation), CW is true (neg rotation) |
annesteenbeek |
32:2006977785f5 | 23 | bool direction2 = false; |
annesteenbeek | 6:b957d8809e7c | 24 | |
annesteenbeek | 62:6c566e6f9664 | 25 | double motor1Pos = 0; |
annesteenbeek | 62:6c566e6f9664 | 26 | double motor2Pos = 0; |
annesteenbeek | 6:b957d8809e7c | 27 | |
annesteenbeek | 62:6c566e6f9664 | 28 | double motor1Speed = 0; |
annesteenbeek | 62:6c566e6f9664 | 29 | double motor2Speed = 0; |
annesteenbeek | 6:b957d8809e7c | 30 | |
annesteenbeek | 62:6c566e6f9664 | 31 | double motor1SetSpeed = 0; |
annesteenbeek | 62:6c566e6f9664 | 32 | double motor2SetSpeed = 0; |
annesteenbeek | 6:b957d8809e7c | 33 | |
annesteenbeek | 62:6c566e6f9664 | 34 | double motor1PWM = 0; |
annesteenbeek | 62:6c566e6f9664 | 35 | double motor2PWM = 0; |
annesteenbeek | 6:b957d8809e7c | 36 | |
annesteenbeek |
32:2006977785f5 | 37 | // Set PID values |
annesteenbeek | 62:6c566e6f9664 | 38 | double Kp1 = 1; |
annesteenbeek | 62:6c566e6f9664 | 39 | double Ki1 = 0; |
annesteenbeek | 62:6c566e6f9664 | 40 | double Kd1 = 0; |
annesteenbeek | 0:525558a26464 | 41 | |
annesteenbeek | 69:37f75a7d36d8 | 42 | double Kp2 = 0.008; |
annesteenbeek | 69:37f75a7d36d8 | 43 | double Ki2 = 0.08; |
annesteenbeek | 62:6c566e6f9664 | 44 | double Kd2 = 0; |
annesteenbeek | 20:3cba803cd771 | 45 | |
annesteenbeek | 68:21cb054f1399 | 46 | double motor1PrevCounts = 0; |
annesteenbeek | 68:21cb054f1399 | 47 | double motor2PrevCounts = 0; |
annesteenbeek | 62:6c566e6f9664 | 48 | double prevTime = 0; |
annesteenbeek | 62:6c566e6f9664 | 49 | double now = 0; |
annesteenbeek | 62:6c566e6f9664 | 50 | double timechange; |
annesteenbeek | 26:0a9e4147a31a | 51 | |
annesteenbeek | 98:25528494287d | 52 | // Set servo values |
annesteenbeek | 107:de47331612d9 | 53 | const int servoStartPos = 1300; // Servo ranges from 600ms(-90) to 2000ms(90), 1300 is 0 deg |
annesteenbeek | 99:7030e9790b1d | 54 | |
annesteenbeek | 99:7030e9790b1d | 55 | // Set calibration values |
annesteenbeek | 99:7030e9790b1d | 56 | double motorCalSpeed = 10; // deg/sec |
annesteenbeek | 99:7030e9790b1d | 57 | double returnSpeed = -10; |
annesteenbeek | 99:7030e9790b1d | 58 | bool springHit = false; |
annesteenbeek | 99:7030e9790b1d | 59 | float lastCall = 0; |
annesteenbeek | 99:7030e9790b1d | 60 | bool calibrating1 = true; |
annesteenbeek | 99:7030e9790b1d | 61 | bool calibrating2 = false; |
annesteenbeek | 98:25528494287d | 62 | |
annesteenbeek |
32:2006977785f5 | 63 | // Create object instances |
annesteenbeek | 74:75be98779124 | 64 | // Safety Pin |
annesteenbeek | 79:cf500b63f349 | 65 | DigitalIn safetyIn(safetyPin); |
annesteenbeek | 74:75be98779124 | 66 | |
annesteenbeek |
32:2006977785f5 | 67 | // Initialze motors |
annesteenbeek |
32:2006977785f5 | 68 | PwmOut motor1(motor1PWMPin); |
annesteenbeek |
32:2006977785f5 | 69 | PwmOut motor2(motor2PWMPin); |
annesteenbeek |
32:2006977785f5 | 70 | |
annesteenbeek | 98:25528494287d | 71 | // initialize Servo |
annesteenbeek | 107:de47331612d9 | 72 | Servo servo(servoPin); |
annesteenbeek | 98:25528494287d | 73 | |
annesteenbeek | 98:25528494287d | 74 | |
annesteenbeek |
32:2006977785f5 | 75 | // Initialize encoders |
annesteenbeek |
32:2006977785f5 | 76 | Encoder encoder1(enc1A, enc1B); |
annesteenbeek |
32:2006977785f5 | 77 | Encoder encoder2(enc2A, enc2B); |
annesteenbeek | 25:874675516927 | 78 | |
annesteenbeek |
32:2006977785f5 | 79 | // Set direction pins |
annesteenbeek |
32:2006977785f5 | 80 | DigitalOut motor1Dir(motor1DirPin); |
annesteenbeek |
32:2006977785f5 | 81 | DigitalOut motor2Dir(motor2DirPin); |
annesteenbeek | 26:0a9e4147a31a | 82 | |
annesteenbeek |
32:2006977785f5 | 83 | // create PID instances |
annesteenbeek | 52:2ac9dee099ce | 84 | PID motor1PID(&motor1Speed, &motor1PWM, &motor1SetSpeed, Kp1, Ki1, Kd1); |
annesteenbeek | 52:2ac9dee099ce | 85 | PID motor2PID(&motor2Speed, &motor2PWM, &motor2SetSpeed, Kp2, Ki2, Kd2); |
annesteenbeek | 31:8fbee6c92753 | 86 | |
annesteenbeek |
32:2006977785f5 | 87 | Timer t; |
annesteenbeek | 25:874675516927 | 88 | |
annesteenbeek | 25:874675516927 | 89 | void motorInit(){ |
annesteenbeek | 25:874675516927 | 90 | |
annesteenbeek | 3:47c76be6d402 | 91 | motor1Dir.write(direction1); |
annesteenbeek | 3:47c76be6d402 | 92 | motor2Dir.write(direction2); |
annesteenbeek | 3:47c76be6d402 | 93 | |
annesteenbeek | 3:47c76be6d402 | 94 | // Set motor PWM period |
annesteenbeek | 3:47c76be6d402 | 95 | motor1.period(1/pwm_frequency); |
annesteenbeek | 3:47c76be6d402 | 96 | motor2.period(1/pwm_frequency); |
annesteenbeek | 55:ee5257fb73df | 97 | |
annesteenbeek | 55:ee5257fb73df | 98 | motor1PID.SetSampleTime(motorCall); |
annesteenbeek | 55:ee5257fb73df | 99 | motor2PID.SetSampleTime(motorCall); |
annesteenbeek | 55:ee5257fb73df | 100 | |
annesteenbeek | 69:37f75a7d36d8 | 101 | motor1PID.SetOutputLimits(0,1); |
annesteenbeek | 69:37f75a7d36d8 | 102 | motor2PID.SetOutputLimits(0,1); |
annesteenbeek | 69:37f75a7d36d8 | 103 | |
annesteenbeek | 30:a20f16bf8dda | 104 | // Turn PID on |
annesteenbeek | 55:ee5257fb73df | 105 | motor1PID.SetMode(AUTOMATIC); |
annesteenbeek | 55:ee5257fb73df | 106 | motor2PID.SetMode(AUTOMATIC); |
annesteenbeek | 98:25528494287d | 107 | |
annesteenbeek | 98:25528494287d | 108 | // set servo period |
annesteenbeek | 107:de47331612d9 | 109 | servo.Enable(servoStartPos, 20000); |
annesteenbeek | 98:25528494287d | 110 | |
annesteenbeek | 30:a20f16bf8dda | 111 | // start the timer |
annesteenbeek | 29:e4f3455aaa0b | 112 | t.start(); |
annesteenbeek | 4:80e2280058ed | 113 | } |
annesteenbeek | 0:525558a26464 | 114 | |
annesteenbeek | 26:0a9e4147a31a | 115 | |
annesteenbeek | 0:525558a26464 | 116 | void motorControl(){ |
annesteenbeek | 107:de47331612d9 | 117 | #ifndef SETPOS // if not tuning with potmeters, switch to EMG |
annesteenbeek | 107:de47331612d9 | 118 | // EMG signals to motor speeds |
annesteenbeek | 107:de47331612d9 | 119 | const double scaleVel = 20; |
annesteenbeek | 107:de47331612d9 | 120 | motor1SetSpeed = x_velocity*scaleVel; |
annesteenbeek | 107:de47331612d9 | 121 | motor2SetSpeed = y_velocity*scaleVel; |
annesteenbeek | 107:de47331612d9 | 122 | servoSpeed = z_velocity*scaleVel; |
annesteenbeek | 107:de47331612d9 | 123 | #endif |
annesteenbeek | 30:a20f16bf8dda | 124 | // get encoder positions in degrees |
annesteenbeek | 30:a20f16bf8dda | 125 | // 131.25:1 gear ratio |
annesteenbeek | 30:a20f16bf8dda | 126 | // getPosition uses X2 configuration, so 32 counts per revolution |
annesteenbeek | 30:a20f16bf8dda | 127 | // encoder reads CCW negative, and CW positive, so multiply by -1 to make CCW positive |
annesteenbeek | 68:21cb054f1399 | 128 | |
annesteenbeek | 68:21cb054f1399 | 129 | encoder1Counts = encoder1.getPosition(); |
annesteenbeek | 68:21cb054f1399 | 130 | encoder2Counts = encoder2.getPosition(); |
annesteenbeek | 68:21cb054f1399 | 131 | |
annesteenbeek | 68:21cb054f1399 | 132 | |
annesteenbeek | 68:21cb054f1399 | 133 | motor1Pos = -((encoder1Counts/32)/131.25)*360; |
annesteenbeek | 68:21cb054f1399 | 134 | motor2Pos = -((encoder2Counts/32)/131.25)*360; |
annesteenbeek | 3:47c76be6d402 | 135 | |
annesteenbeek | 0:525558a26464 | 136 | // check if motor's are within rotational boundarys |
annesteenbeek | 30:a20f16bf8dda | 137 | // get encoder speeds in deg/sec |
annesteenbeek | 66:d1ab5904f8e5 | 138 | now = t.read(); |
annesteenbeek | 50:b0cf07ca53cf | 139 | timechange = (now - prevTime); |
annesteenbeek | 68:21cb054f1399 | 140 | motor1Speed = -((((encoder1Counts - motor1PrevCounts)/32)/131.25)*360)/timechange; |
annesteenbeek | 68:21cb054f1399 | 141 | motor2Speed = -((((encoder2Counts - motor2PrevCounts)/32)/131.25)*360)/timechange; |
annesteenbeek | 50:b0cf07ca53cf | 142 | prevTime = now; |
annesteenbeek | 68:21cb054f1399 | 143 | motor1PrevCounts = encoder1Counts; |
annesteenbeek | 68:21cb054f1399 | 144 | motor2PrevCounts = encoder2Counts; |
annesteenbeek | 29:e4f3455aaa0b | 145 | |
annesteenbeek | 31:8fbee6c92753 | 146 | // calculate motor setpoint speed in deg/sec from setpoint x/y speed |
annesteenbeek | 30:a20f16bf8dda | 147 | |
annesteenbeek | 48:3cf1eaf34926 | 148 | |
annesteenbeek | 48:3cf1eaf34926 | 149 | if(motorsEnable){ // only run motors if switch is enabled |
annesteenbeek |
32:2006977785f5 | 150 | // compute new PID parameters using setpoint angle speeds and encoder speed |
annesteenbeek | 31:8fbee6c92753 | 151 | writeMotors(); |
annesteenbeek | 98:25528494287d | 152 | servoControl(); |
annesteenbeek | 0:525558a26464 | 153 | }else{ |
annesteenbeek | 0:525558a26464 | 154 | // write 0 to motors |
annesteenbeek | 2:95ba9f6f0128 | 155 | motor1.write(0); |
annesteenbeek | 2:95ba9f6f0128 | 156 | motor2.write(0); |
annesteenbeek | 0:525558a26464 | 157 | } |
annesteenbeek | 0:525558a26464 | 158 | } |
annesteenbeek | 0:525558a26464 | 159 | |
annesteenbeek | 31:8fbee6c92753 | 160 | void writeMotors(){ |
annesteenbeek | 54:c14c3bc48b8a | 161 | motor1PID.Compute(); // calculate PID outputs, output changes automatically |
annesteenbeek | 76:0aa90e728e4a | 162 | motor2PID.Compute(); |
annesteenbeek | 31:8fbee6c92753 | 163 | // write new values to motor's |
annesteenbeek | 82:4cc8f9ad3fec | 164 | if (motor1SetSpeed > 0 ){ // CCW rotation |
annesteenbeek | 31:8fbee6c92753 | 165 | direction1 = false; |
annesteenbeek | 84:df770ec4df61 | 166 | motor1PID.SetOutputLimits(0,1); // change pid output direction |
annesteenbeek | 31:8fbee6c92753 | 167 | }else{ |
annesteenbeek | 31:8fbee6c92753 | 168 | direction1 = true; // CW rotation |
annesteenbeek | 83:8fa05f53fc73 | 169 | motor1PID.SetOutputLimits(-1,0); |
annesteenbeek | 31:8fbee6c92753 | 170 | } |
annesteenbeek | 82:4cc8f9ad3fec | 171 | if (motor2SetSpeed > 0 ){ // CCW rotation |
annesteenbeek | 68:21cb054f1399 | 172 | direction2 = false; |
annesteenbeek | 83:8fa05f53fc73 | 173 | motor2PID.SetOutputLimits(0,1); |
annesteenbeek | 68:21cb054f1399 | 174 | }else{ |
annesteenbeek | 68:21cb054f1399 | 175 | direction2 = true; // CW rotation |
annesteenbeek | 83:8fa05f53fc73 | 176 | motor2PID.SetOutputLimits(-1,0); |
annesteenbeek | 68:21cb054f1399 | 177 | } |
annesteenbeek | 31:8fbee6c92753 | 178 | motor1Dir.write(direction1); |
annesteenbeek | 31:8fbee6c92753 | 179 | motor2Dir.write(direction2); |
annesteenbeek | 69:37f75a7d36d8 | 180 | |
annesteenbeek | 52:2ac9dee099ce | 181 | motor1.write(abs(motor1PWM)); |
annesteenbeek | 76:0aa90e728e4a | 182 | motor2.write(abs(motor2PWM)); |
annesteenbeek | 31:8fbee6c92753 | 183 | } |
annesteenbeek | 31:8fbee6c92753 | 184 | |
annesteenbeek | 0:525558a26464 | 185 | void servoControl(){ |
annesteenbeek | 107:de47331612d9 | 186 | servo.SetPosition(1300 + 700*servoSpeed); |
annesteenbeek | 25:874675516927 | 187 | } |
annesteenbeek | 25:874675516927 | 188 | |
annesteenbeek | 106:1773bf7b95c5 | 189 | bool calibrateMotors(){ |
annesteenbeek | 98:25528494287d | 190 | safetyOn = false; // safety springs off |
annesteenbeek | 98:25528494287d | 191 | motorsEnable = true; // motors on |
annesteenbeek | 98:25528494287d | 192 | redLed.write(0); greenLed.write(1); blueLed.write(1); |
annesteenbeek | 98:25528494287d | 193 | while (calibrating1 || calibrating2){ |
annesteenbeek | 98:25528494287d | 194 | if (calibrating1){ |
annesteenbeek | 98:25528494287d | 195 | redLed.write(1); greenLed.write(0); blueLed.write(1); |
annesteenbeek | 98:25528494287d | 196 | if(safetyIn.read() !=1){ // check if arm reached safety position |
annesteenbeek | 98:25528494287d | 197 | encoder1.setPosition(0); // set motor 1 cal angle |
annesteenbeek | 98:25528494287d | 198 | motor1SetSpeed = returnSpeed; // move away |
annesteenbeek | 98:25528494287d | 199 | springHit = true; |
annesteenbeek | 98:25528494287d | 200 | }else{ |
annesteenbeek | 98:25528494287d | 201 | if(springHit){ // if hit and after is no longer touching spring |
annesteenbeek | 98:25528494287d | 202 | motor1SetSpeed = 0; |
annesteenbeek | 98:25528494287d | 203 | springHit = false; |
annesteenbeek | 98:25528494287d | 204 | calibrating1 = false; |
annesteenbeek | 98:25528494287d | 205 | calibrating2 = true; // start calibrating 2 |
annesteenbeek | 98:25528494287d | 206 | } |
annesteenbeek | 98:25528494287d | 207 | } |
annesteenbeek | 98:25528494287d | 208 | } |
annesteenbeek | 98:25528494287d | 209 | if (calibrating2){ |
annesteenbeek | 98:25528494287d | 210 | motor2SetSpeed = motorCalSpeed; |
annesteenbeek | 98:25528494287d | 211 | redLed.write(1); greenLed.write(1); blueLed.write(0); |
annesteenbeek | 98:25528494287d | 212 | if(safetyIn.read() !=1){ // check if arm reached safety position |
annesteenbeek | 98:25528494287d | 213 | encoder2.setPosition(0); // set motor 2 cal angle |
annesteenbeek | 98:25528494287d | 214 | motor2SetSpeed = returnSpeed; // move away |
annesteenbeek | 98:25528494287d | 215 | springHit = true; |
annesteenbeek | 98:25528494287d | 216 | }else{ |
annesteenbeek | 98:25528494287d | 217 | if(springHit){ // if hit and after is no longer touching spring |
annesteenbeek | 98:25528494287d | 218 | motor2SetSpeed = 0; |
annesteenbeek | 98:25528494287d | 219 | springHit = false; |
annesteenbeek | 98:25528494287d | 220 | calibrating2 = false; // stop calibrating 2 |
annesteenbeek | 98:25528494287d | 221 | } |
annesteenbeek | 98:25528494287d | 222 | } |
annesteenbeek | 98:25528494287d | 223 | } |
annesteenbeek | 98:25528494287d | 224 | now = t.read(); // call motor using timer instead of wait |
annesteenbeek | 98:25528494287d | 225 | if(now - lastCall > motorCall){ |
annesteenbeek | 98:25528494287d | 226 | motorControl(); |
annesteenbeek | 98:25528494287d | 227 | lastCall = now; |
annesteenbeek | 98:25528494287d | 228 | } |
annesteenbeek | 98:25528494287d | 229 | |
annesteenbeek | 98:25528494287d | 230 | } |
annesteenbeek | 99:7030e9790b1d | 231 | motorsEnable = false; // turn motor's off again |
annesteenbeek | 76:0aa90e728e4a | 232 | safetyOn = true; // turn safety on after callibration |
annesteenbeek | 106:1773bf7b95c5 | 233 | return true; // return true wehn finished |
annesteenbeek | 74:75be98779124 | 234 | } |
annesteenbeek | 74:75be98779124 | 235 | |
annesteenbeek | 74:75be98779124 | 236 | |
annesteenbeek | 74:75be98779124 | 237 | void safety(){ |
annesteenbeek | 74:75be98779124 | 238 | if (safetyOn){ |
annesteenbeek | 81:71e7e98deb2c | 239 | if (safetyIn.read() != 1){ |
annesteenbeek | 79:cf500b63f349 | 240 | motorsEnable = false; |
annesteenbeek | 79:cf500b63f349 | 241 | } |
annesteenbeek | 74:75be98779124 | 242 | } |
annesteenbeek | 79:cf500b63f349 | 243 | } |
annesteenbeek | 106:1773bf7b95c5 | 244 | |
annesteenbeek | 106:1773bf7b95c5 | 245 | |
annesteenbeek | 106:1773bf7b95c5 | 246 | bool kinematics(){ |
annesteenbeek | 107:de47331612d9 | 247 | // // calculate current x and Y |
annesteenbeek | 107:de47331612d9 | 248 | // X = L2*cos((motor1Pos + motor2Pos)*PI/180) + L1*cos(motor1Pos*PI/180); |
annesteenbeek | 107:de47331612d9 | 249 | // Y = L2*sin((motor1Pos + motor2Pos)*PI/180) + L1*sin(motor1Pos*PI/180); |
annesteenbeek | 107:de47331612d9 | 250 | // // check if x and y are within limits |
annesteenbeek | 107:de47331612d9 | 251 | // // else Store the constraint line |
annesteenbeek | 107:de47331612d9 | 252 | // // check if movement is in direction of constraint |
annesteenbeek | 107:de47331612d9 | 253 | // // else return false no movement (anglespeed = 0) |
annesteenbeek | 107:de47331612d9 | 254 | // // calculate required angle speeds |
annesteenbeek | 107:de47331612d9 | 255 | // if( (X>Xmax && setXSpeed > 0 )|| \ |
annesteenbeek | 107:de47331612d9 | 256 | // (X<Xmin && setXSpeed < 0 )|| \ |
annesteenbeek | 107:de47331612d9 | 257 | // (Y>Ymax && setYSpeed > 0 )|| \ |
annesteenbeek | 107:de47331612d9 | 258 | // (Y<Ymin && setYSpeed < 0 ) \ |
annesteenbeek | 107:de47331612d9 | 259 | // ){ |
annesteenbeek | 107:de47331612d9 | 260 | // motor1SetSpeed = 0; |
annesteenbeek | 107:de47331612d9 | 261 | // motor2SetSpeed = 0; |
annesteenbeek | 107:de47331612d9 | 262 | // return false; |
annesteenbeek | 107:de47331612d9 | 263 | // break; |
annesteenbeek | 107:de47331612d9 | 264 | // } |
annesteenbeek | 107:de47331612d9 | 265 | // motor1SetSpeed = (setXSpeed*cos((motor1Pos + motor2Pos)*PI/180) + \ |
annesteenbeek | 107:de47331612d9 | 266 | // setYSpeed*sin((motor1Pos + motor2Pos)*PI/180))/(L1*sin(motor2Pos*PI/180)); |
annesteenbeek | 107:de47331612d9 | 267 | // motor2SetSpeed = -(setXSpeed*L2*cos((motor1Pos + motor2Pos)*PI/180) + \ |
annesteenbeek | 107:de47331612d9 | 268 | // setYSpeed*L2*sin((motor1Pos + motor2Pos)*PI/180) + \ |
annesteenbeek | 107:de47331612d9 | 269 | // setXSpeed*L1*cos(motor1Pos*PI/180) + \ |
annesteenbeek | 107:de47331612d9 | 270 | // setYSpeed*L1*sin(motor1Pos*PI/180))/(L1*L2*sin(motor2Pos*PI/180)); |
annesteenbeek | 106:1773bf7b95c5 | 271 | |
annesteenbeek | 106:1773bf7b95c5 | 272 | } |