Leon Klute / Mbed 2 deprecated EMG_Controller_6

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Dependencies:   HIDScope QEI biquadFilter mbed

Fork of EMG_Controller_5 by Nahuel Manterola

main.cpp@12:12c162dc8893, 2016-10-28 (annotated)

Committer:
NahuelM
Date:
Fri Oct 28 11:46:44 2016 +0000
Revision:
12:12c162dc8893
Parent:
11:c8b6a2b314c3
Child:
13:0adbf6a5de37
Werkende Arm heen en weer

Who changed what in which revision?

UserRevisionLine numberNew contents of line
NahuelM 0:46582bba07d2 1 #include "mbed.h"
NahuelM 0:46582bba07d2 2 #include "QEI.h"
NahuelM 3:1d43dd4f37eb 3
NahuelM 4:e59a99c5aa08 4 #include "servoController.h"
NahuelM 2:57523bb4e9c6 5 #include "emg.h"
NahuelM 2:57523bb4e9c6 6
NahuelM 1:83fccd7d8483 7 #define pi 3.14159265359;
NahuelM 0:46582bba07d2 8
NahuelM 0:46582bba07d2 9 PwmOut Motor1_pwm(D5);
NahuelM 1:83fccd7d8483 10 DigitalOut SlideMotor_Direction(D4);
NahuelM 1:83fccd7d8483 11 PwmOut Motor2_pwm(D6);
NahuelM 1:83fccd7d8483 12 DigitalOut LiftMotor_Direction(D7);
NahuelM 1:83fccd7d8483 13 AnalogIn Potmeter(A0);
NahuelM 2:57523bb4e9c6 14 AnalogIn Potmeter2(A1);
NahuelM 1:83fccd7d8483 15 QEI Slide_Encoder(D12,D13,NC,64);
NahuelM 1:83fccd7d8483 16 QEI Lift_Encoder(D10,D11,NC,64);
NahuelM 11:c8b6a2b314c3 17
NahuelM 11:c8b6a2b314c3 18 BiQuadChain Hz_1;
NahuelM 11:c8b6a2b314c3 19 BiQuad bq0(0.05852855368, 0.11705710736, 0.05852855368,-1.05207469728, 0.28586907478);
NahuelM 11:c8b6a2b314c3 20 BiQuad bq1(0.06463239794, 0.12926479589, 0.06463239794,-1.16338171052, 0.42191097989);
NahuelM 11:c8b6a2b314c3 21 BiQuad bq2(0.07902502847, 0.15805005694, 0.07902502847,-1.42439823874, 0.7409311811);
NahuelM 11:c8b6a2b314c3 22
NahuelM 4:e59a99c5aa08 23 //Serial pc(USBTX,USBRX);
NahuelM 0:46582bba07d2 24 Ticker Controller;
NahuelM 0:46582bba07d2 25
NahuelM 1:83fccd7d8483 26 bool Controller_Flag=0;
LeeJon 7:eed677b636d3 27 float Frequency = 30;
NahuelM 0:46582bba07d2 28 float Frequency_PWM = 10000;
NahuelM 1:83fccd7d8483 29
NahuelM 1:83fccd7d8483 30 float Slide_Radius = 12.5;
NahuelM 1:83fccd7d8483 31 float Slide_Multiplier = 1;
NahuelM 1:83fccd7d8483 32 float k1 = 1;
NahuelM 12:12c162dc8893 33 float k2 = 0.1f;
NahuelM 1:83fccd7d8483 34 float k3 = 0.1f;
NahuelM 1:83fccd7d8483 35 float Start_slow = 40;
NahuelM 1:83fccd7d8483 36 float Start_lock = 0;
NahuelM 1:83fccd7d8483 37 float End_slow = 340;
NahuelM 1:83fccd7d8483 38 float End_lock = 380;
NahuelM 1:83fccd7d8483 39 float Slide_Counts;
NahuelM 1:83fccd7d8483 40 float Slide_Revolutions;
NahuelM 1:83fccd7d8483 41 float Slide_Angle;
NahuelM 1:83fccd7d8483 42 float Slide_Position;
NahuelM 0:46582bba07d2 43
NahuelM 1:83fccd7d8483 44 float Slide_Input_force = 0;
NahuelM 1:83fccd7d8483 45 float Slide_Curr_speed = 0;
NahuelM 1:83fccd7d8483 46 float Slide_Desired_speed;
NahuelM 1:83fccd7d8483 47 float Slide_Delta_speed;
NahuelM 1:83fccd7d8483 48 float Slide_Int_delta_speed;
NahuelM 1:83fccd7d8483 49 float Slide_Deriv_delta_speed = 0;
NahuelM 1:83fccd7d8483 50 float Slide_Prev_delta_speed = 0;
NahuelM 1:83fccd7d8483 51 float Slide_PI;
NahuelM 1:83fccd7d8483 52
NahuelM 1:83fccd7d8483 53 float Lift_Radius = 10;
NahuelM 1:83fccd7d8483 54 float Lift_Multiplier = 1;
NahuelM 11:c8b6a2b314c3 55 float Lift_k1 = 0.2;
NahuelM 1:83fccd7d8483 56 float Lift_k2 = 0.05;
NahuelM 1:83fccd7d8483 57 float Lift_k3 = 0.01;
NahuelM 1:83fccd7d8483 58 float Lift_Start = 0;
NahuelM 1:83fccd7d8483 59 float Lift_End = 50;
NahuelM 1:83fccd7d8483 60 float Lift_Counts;
NahuelM 1:83fccd7d8483 61 float Lift_Revolutions;
NahuelM 1:83fccd7d8483 62 float Lift_Angle;
NahuelM 1:83fccd7d8483 63 float Lift_Position;
NahuelM 1:83fccd7d8483 64
NahuelM 1:83fccd7d8483 65 float Lift_Input_force = 0;
NahuelM 1:83fccd7d8483 66 float Lift_Desired_position;
NahuelM 1:83fccd7d8483 67 float Lift_Delta_position;
NahuelM 1:83fccd7d8483 68 float Lift_Int_delta_position;
NahuelM 1:83fccd7d8483 69 float Lift_Deriv_delta_position = 0;
NahuelM 1:83fccd7d8483 70 float Lift_Prev_delta_position = 0;
NahuelM 1:83fccd7d8483 71 float Lift_PI;
NahuelM 12:12c162dc8893 72 bool Lift_Switch = false;
NahuelM 12:12c162dc8893 73 Timeout Lift_Timeout;
NahuelM 12:12c162dc8893 74 bool Lift_Timeout_Switch = true;
NahuelM 0:46582bba07d2 75
NahuelM 0:46582bba07d2 76 void Slide_Controller();
NahuelM 1:83fccd7d8483 77 void Lift_Controller();
NahuelM 1:83fccd7d8483 78 void Ticker_Flag();
NahuelM 0:46582bba07d2 79
NahuelM 0:46582bba07d2 80 int main()
NahuelM 0:46582bba07d2 81 {
NahuelM 0:46582bba07d2 82 Motor1_pwm.period(1.0/Frequency_PWM);//T=1/f
NahuelM 1:83fccd7d8483 83 Motor2_pwm.period(1.0/Frequency_PWM);//T=1/f
NahuelM 1:83fccd7d8483 84 Controller.attach(&Ticker_Flag,1/Frequency);
NahuelM 0:46582bba07d2 85 pc.baud(9600);
NahuelM 2:57523bb4e9c6 86
pbaardwijk 6:6cb7c0247560 87 led.write(1);
NahuelM 3:1d43dd4f37eb 88 Lift_Input_force = Potmeter.read();
NahuelM 3:1d43dd4f37eb 89 Slide_Input_force = Potmeter2.read();
NahuelM 3:1d43dd4f37eb 90
NahuelM 12:12c162dc8893 91 notch_50_0.add( &bq03 ).add( &bq04 ).add( &bq05 );
NahuelM 12:12c162dc8893 92 notch_50_1.add( &bq13 ).add( &bq14 ).add( &bq15 );
NahuelM 12:12c162dc8893 93 notch_50_2.add( &bq23 ).add( &bq24 ).add( &bq25 );
NahuelM 12:12c162dc8893 94 high_pass_0.add( &bq06 ).add( &bq07 );
NahuelM 12:12c162dc8893 95 high_pass_1.add( &bq16 ).add( &bq17 );
NahuelM 12:12c162dc8893 96 high_pass_2.add( &bq26 ).add( &bq27 );
NahuelM 12:12c162dc8893 97 low_pass_0.add( &bq9 ).add( &bq10 ).add( &bq11 );
NahuelM 12:12c162dc8893 98 low_pass_1.add( &bq19 ).add( &bq110 ).add( &bq111 );
NahuelM 12:12c162dc8893 99 low_pass_2.add( &bq29 ).add( &bq210 ).add( &bq211 );
NahuelM 3:1d43dd4f37eb 100
NahuelM 11:c8b6a2b314c3 101 change_state.attach( &calibrate,1);
NahuelM 11:c8b6a2b314c3 102 change_state2.attach( &run,11);
pbaardwijk 9:1cb2d5ab51e6 103 emgSampleTicker.attach( &emgSample, 0.005); //200Hz
NahuelM 3:1d43dd4f37eb 104
LeeJon 7:eed677b636d3 105 // treshold = (cali_max-cali_min)*treshold_multiplier;
LeeJon 5:bb77e2a6c1e8 106 // servoTick.attach(&control_servo, 1/Frequency);
NahuelM 4:e59a99c5aa08 107 ServoPWMpin.period(0.01f); // 0.01 second period
NahuelM 4:e59a99c5aa08 108
NahuelM 0:46582bba07d2 109 while (true) {
pbaardwijk 6:6cb7c0247560 110 // pc.printf("\n\r%f", Norm_EMG_0);
NahuelM 3:1d43dd4f37eb 111
NahuelM 3:1d43dd4f37eb 112 if (go_emgSample == true){
NahuelM 3:1d43dd4f37eb 113 EMG_filter();
NahuelM 3:1d43dd4f37eb 114 }
NahuelM 1:83fccd7d8483 115
NahuelM 1:83fccd7d8483 116 if (Controller_Flag == true){
NahuelM 1:83fccd7d8483 117 Slide_Controller();
NahuelM 1:83fccd7d8483 118 Lift_Controller();
LeeJon 5:bb77e2a6c1e8 119 control_servo(Norm_EMG_0);
NahuelM 4:e59a99c5aa08 120
NahuelM 2:57523bb4e9c6 121 Controller_Flag = false;
NahuelM 1:83fccd7d8483 122 }
NahuelM 3:1d43dd4f37eb 123
NahuelM 0:46582bba07d2 124 }
NahuelM 0:46582bba07d2 125 return 0;
NahuelM 0:46582bba07d2 126 }
LeeJon 5:bb77e2a6c1e8 127
NahuelM 1:83fccd7d8483 128 void Ticker_Flag(){
NahuelM 1:83fccd7d8483 129 Controller_Flag = true;
NahuelM 0:46582bba07d2 130 }
NahuelM 0:46582bba07d2 131
NahuelM 0:46582bba07d2 132 void Slide_Controller(){ // Dit ding moet keihard geloopt worden op minstens 30 Hz (Frequency)
NahuelM 2:57523bb4e9c6 133
NahuelM 2:57523bb4e9c6 134 Slide_Counts = Slide_Encoder.getPulses();
NahuelM 2:57523bb4e9c6 135 Slide_Revolutions = Slide_Counts /(32*131);
NahuelM 2:57523bb4e9c6 136 Slide_Angle = Slide_Revolutions*2*pi;
NahuelM 2:57523bb4e9c6 137 Slide_Position = Slide_Angle*Slide_Radius + 135;
NahuelM 2:57523bb4e9c6 138
NahuelM 12:12c162dc8893 139 Slide_Desired_speed= (-Norm_EMG_1+Norm_EMG_0)*Slide_Multiplier;
NahuelM 11:c8b6a2b314c3 140
NahuelM 11:c8b6a2b314c3 141
NahuelM 1:83fccd7d8483 142 if (Slide_Position < Start_slow && Slide_Desired_speed > 0){
NahuelM 1:83fccd7d8483 143 Slide_Desired_speed *= (Slide_Position-Start_lock)/(Start_slow-Start_lock);
NahuelM 1:83fccd7d8483 144
NahuelM 0:46582bba07d2 145 }
NahuelM 1:83fccd7d8483 146 if (Slide_Position > End_slow && Slide_Desired_speed < 0){
NahuelM 1:83fccd7d8483 147 Slide_Desired_speed *= (End_lock-Slide_Position)/(End_lock-End_slow);
NahuelM 0:46582bba07d2 148 }
NahuelM 11:c8b6a2b314c3 149
NahuelM 1:83fccd7d8483 150 Slide_Prev_delta_speed = Slide_Delta_speed;
NahuelM 1:83fccd7d8483 151 Slide_Delta_speed = Slide_Desired_speed-Slide_Curr_speed; // P
NahuelM 1:83fccd7d8483 152 Slide_Int_delta_speed += Slide_Delta_speed/Frequency; // I
NahuelM 11:c8b6a2b314c3 153 if (Slide_Int_delta_speed > 1){Slide_Int_delta_speed = 1;}
NahuelM 11:c8b6a2b314c3 154 if (Slide_Int_delta_speed < -1){Slide_Int_delta_speed = -1;}
NahuelM 11:c8b6a2b314c3 155 Slide_Int_delta_speed *= 1/1.3;
NahuelM 12:12c162dc8893 156 pc.printf("%f - %f - %f \r\n",Norm_EMG_0, Norm_EMG_1, Slide_Delta_speed);
NahuelM 12:12c162dc8893 157 Slide_PI = k1*Slide_Delta_speed + k2*Slide_Int_delta_speed;
NahuelM 1:83fccd7d8483 158 if (Slide_PI<0){
NahuelM 1:83fccd7d8483 159 SlideMotor_Direction = 0;
NahuelM 1:83fccd7d8483 160 }else{
NahuelM 1:83fccd7d8483 161 SlideMotor_Direction = 1;
NahuelM 1:83fccd7d8483 162 }
NahuelM 1:83fccd7d8483 163
NahuelM 1:83fccd7d8483 164 Motor1_pwm.write(abs(Slide_PI));
NahuelM 1:83fccd7d8483 165 //return k1*Delta_speed + k2*Int_delta_speed;
NahuelM 1:83fccd7d8483 166 }
NahuelM 1:83fccd7d8483 167
NahuelM 12:12c162dc8893 168 void Lift_Timeout_Return(){
NahuelM 12:12c162dc8893 169 Lift_Timeout_Switch = true;
NahuelM 12:12c162dc8893 170 }
NahuelM 12:12c162dc8893 171
NahuelM 1:83fccd7d8483 172 void Lift_Controller(){ // Dit ding moet keihard geloopt worden op minstens 30 Hz (Frequency)
NahuelM 1:83fccd7d8483 173
NahuelM 2:57523bb4e9c6 174 Lift_Counts = Lift_Encoder.getPulses();
NahuelM 2:57523bb4e9c6 175 Lift_Revolutions = Lift_Counts /(32*131);
NahuelM 2:57523bb4e9c6 176 Lift_Angle = Lift_Revolutions*2*pi;
NahuelM 2:57523bb4e9c6 177 Lift_Position = Lift_Angle*Lift_Radius;
NahuelM 2:57523bb4e9c6 178
NahuelM 12:12c162dc8893 179 if(Norm_EMG_0 > 0.6 && Lift_Timeout_Switch == true){
NahuelM 12:12c162dc8893 180 //Lift_Switch = !Lift_Switch;
NahuelM 12:12c162dc8893 181 Lift_Timeout_Switch = false;
NahuelM 12:12c162dc8893 182 Lift_Timeout.attach(Lift_Timeout_Return, 1);
NahuelM 12:12c162dc8893 183 }
NahuelM 12:12c162dc8893 184
NahuelM 12:12c162dc8893 185 Lift_Desired_position = Lift_Switch*150;
NahuelM 3:1d43dd4f37eb 186 //pc.printf("\n\r%f - %f", Lift_Desired_position, Lift_Position);
NahuelM 1:83fccd7d8483 187 Lift_Prev_delta_position = Lift_Delta_position;
NahuelM 1:83fccd7d8483 188 Lift_Delta_position = Lift_Desired_position-Lift_Position; // P
NahuelM 1:83fccd7d8483 189 Lift_Int_delta_position += Lift_Delta_position/Frequency; // I
NahuelM 1:83fccd7d8483 190
NahuelM 11:c8b6a2b314c3 191 Lift_Deriv_delta_position = (Lift_Delta_position-Lift_Prev_delta_position)*Frequency; //D
NahuelM 11:c8b6a2b314c3 192 if (Lift_Int_delta_position > 1){Lift_Int_delta_position = 1;}
NahuelM 11:c8b6a2b314c3 193 if (Lift_Int_delta_position < -1){Lift_Int_delta_position = -1;}
NahuelM 12:12c162dc8893 194
NahuelM 11:c8b6a2b314c3 195 Lift_PI = Lift_k1*Lift_Delta_position + 0*Lift_Int_delta_position + Lift_k3*Lift_Deriv_delta_position;
NahuelM 1:83fccd7d8483 196 if (Lift_PI<0){
NahuelM 1:83fccd7d8483 197 LiftMotor_Direction = 1;
NahuelM 1:83fccd7d8483 198 }else{
NahuelM 1:83fccd7d8483 199 LiftMotor_Direction = 0;
NahuelM 1:83fccd7d8483 200 }
NahuelM 1:83fccd7d8483 201
NahuelM 1:83fccd7d8483 202 Motor2_pwm.write(abs(Lift_PI));
NahuelM 1:83fccd7d8483 203 //return k1*Delta_speed + k2*Int_delta_speed;
NahuelM 0:46582bba07d2 204 }