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Dependencies: HIDScope QEI biquadFilter mbed
Fork of EMG_Controller_5 by
Diff: main.cpp
- Revision:
- 11:c8b6a2b314c3
- Parent:
- 9:1cb2d5ab51e6
- Child:
- 12:da003af4d373
--- a/main.cpp Thu Oct 27 11:50:16 2016 +0000
+++ b/main.cpp Thu Oct 27 14:10:49 2016 +0000
@@ -14,6 +14,12 @@
AnalogIn Potmeter2(A1);
QEI Slide_Encoder(D12,D13,NC,64);
QEI Lift_Encoder(D10,D11,NC,64);
+
+BiQuadChain Hz_1;
+BiQuad bq0(0.05852855368, 0.11705710736, 0.05852855368,-1.05207469728, 0.28586907478);
+BiQuad bq1(0.06463239794, 0.12926479589, 0.06463239794,-1.16338171052, 0.42191097989);
+BiQuad bq2(0.07902502847, 0.15805005694, 0.07902502847,-1.42439823874, 0.7409311811);
+
//Serial pc(USBTX,USBRX);
Ticker Controller;
@@ -24,7 +30,7 @@
float Slide_Radius = 12.5;
float Slide_Multiplier = 1;
float k1 = 1;
-float k2 = 0.02f;
+float k2 = 0.01f;
float k3 = 0.1f;
float Start_slow = 40;
float Start_lock = 0;
@@ -46,7 +52,7 @@
float Lift_Radius = 10;
float Lift_Multiplier = 1;
-float Lift_k1 = 0.08;
+float Lift_k1 = 0.2;
float Lift_k2 = 0.05;
float Lift_k3 = 0.01;
float Lift_Start = 0;
@@ -79,12 +85,13 @@
Lift_Input_force = Potmeter.read();
Slide_Input_force = Potmeter2.read();
+ Hz_1.add( &bq0 ).add( &bq1 ).add( &bq2 );
notch_50.add( &bq3 ).add( &bq4 ).add( &bq5 );
high_pass.add( &bq6 ).add( &bq7 );
low_pass.add( &bq9 ).add( &bq10 ).add( &bq11 );
- change_state.attach( &calibrate,5);
- change_state2.attach( &run,15);
+ change_state.attach( &calibrate,1);
+ change_state2.attach( &run,11);
emgSampleTicker.attach( &emgSample, 0.005); //200Hz
// treshold = (cali_max-cali_min)*treshold_multiplier;
@@ -121,8 +128,9 @@
Slide_Angle = Slide_Revolutions*2*pi;
Slide_Position = Slide_Angle*Slide_Radius + 135;
- Slide_Desired_speed= (Norm_EMG_0*2 -1)*Slide_Multiplier;
-
+ Slide_Desired_speed= (-0)*Slide_Multiplier;
+
+
if (Slide_Position < Start_slow && Slide_Desired_speed > 0){
Slide_Desired_speed *= (Slide_Position-Start_lock)/(Start_slow-Start_lock);
@@ -130,11 +138,15 @@
if (Slide_Position > End_slow && Slide_Desired_speed < 0){
Slide_Desired_speed *= (End_lock-Slide_Position)/(End_lock-End_slow);
}
+
Slide_Prev_delta_speed = Slide_Delta_speed;
Slide_Delta_speed = Slide_Desired_speed-Slide_Curr_speed; // P
Slide_Int_delta_speed += Slide_Delta_speed/Frequency; // I
-
- Slide_PI = k1*Slide_Delta_speed + k2*Slide_Int_delta_speed;
+ if (Slide_Int_delta_speed > 1){Slide_Int_delta_speed = 1;}
+ if (Slide_Int_delta_speed < -1){Slide_Int_delta_speed = -1;}
+ Slide_Int_delta_speed *= 1/1.3;
+ //pc.printf("\r\n%f - %f", Slide_Int_delta_speed, Slide_Delta_speed);
+ Slide_PI = k1*Slide_Delta_speed + 0*Slide_Int_delta_speed;
if (Slide_PI<0){
SlideMotor_Direction = 0;
}else{
@@ -151,15 +163,19 @@
Lift_Revolutions = Lift_Counts /(32*131);
Lift_Angle = Lift_Revolutions*2*pi;
Lift_Position = Lift_Angle*Lift_Radius;
+ float NomNom = Hz_1.step(Norm_EMG_0);
- Lift_Desired_position = (Lift_Input_force*2-1)*30*Lift_Multiplier;
+ Lift_Desired_position = (-NomNom)*40*Lift_Multiplier;
//pc.printf("\n\r%f - %f", Lift_Desired_position, Lift_Position);
Lift_Prev_delta_position = Lift_Delta_position;
Lift_Delta_position = Lift_Desired_position-Lift_Position; // P
Lift_Int_delta_position += Lift_Delta_position/Frequency; // I
- Lift_Deriv_delta_position = (Lift_Delta_position-Lift_Prev_delta_position)*Frequency;
- Lift_PI = Lift_k1*Lift_Delta_position + Lift_k2*Lift_Int_delta_position + Lift_k3*Lift_Deriv_delta_position;
+ Lift_Deriv_delta_position = (Lift_Delta_position-Lift_Prev_delta_position)*Frequency; //D
+ if (Lift_Int_delta_position > 1){Lift_Int_delta_position = 1;}
+ if (Lift_Int_delta_position < -1){Lift_Int_delta_position = -1;}
+ pc.printf("\r\n%f - %f", NomNom, Norm_EMG_0);
+ Lift_PI = Lift_k1*Lift_Delta_position + 0*Lift_Int_delta_position + Lift_k3*Lift_Deriv_delta_position;
if (Lift_PI<0){
LiftMotor_Direction = 1;
}else{
