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Dependencies: QEI biquadFilter mbed
Diff: main.cpp
- Revision:
- 2:a8ee608177ae
- Parent:
- 0:2a4ed6c6cdc7
- Child:
- 3:f70ec68723df
diff -r 2a4ed6c6cdc7 -r a8ee608177ae main.cpp
--- a/main.cpp Wed Oct 31 17:49:26 2018 +0000
+++ b/main.cpp Thu Nov 01 10:58:42 2018 +0000
@@ -21,10 +21,10 @@
// Definitie constanten
double L0 = 0.09;
-double K_p1 = 0.02;
-double K_p2 = 0.20;
-double p_desired_x = 0.2;
-double p_desired_y = 0.2;
+double K_p1 = 0.5;
+double K_p2 = 0.5;
+double p_desired_x = 0.04;
+double p_desired_y = 0.13;
double r_pulley = 0.015915;
double pi = 3.141592653589793;
double gearratio = 3.857142857;
@@ -39,6 +39,8 @@
double motor1_pwm;
double length_dot;
double motor2_pwm;
+double error_length_angle;
+double error_angle;
double p_current_x;
double p_current_y;
@@ -50,27 +52,42 @@
angle = Encoder2.getPulses() * 0.0857142857*0.0174532925/gearratio; // Angle arm [rad]
length = translatie+L0;
- p_current_x = (length)*cos(angle);
+ p_current_x = (length)*cos(angle)-L0;
p_current_y = (length)*sin(angle);
- //p_dot_x = v_constant*(p_desired_x - p_current_x);
- //p_dot_y = v_constant*(p_desired_y - p_current_y);
+ //p_dot_x = K_p1*(p_desired_x - p_current_x);
+ //p_dot_y = K_p2*(p_desired_y - p_current_y);
+
+ angle_desired = atan2(p_desired_y,p_desired_x+L0);
+ length_desired = sqrt(pow(p_desired_x+L0,2)+pow(p_desired_y,2));
+
+ error_length_angle = (length_desired-length)/r_pulley;
+ error_angle = angle_desired-angle;
- angle_desired = atan2(p_desired_y,p_desired_x);
- length_desired = sqrt(pow(p_desired_x,2)+pow(p_desired_y,2));
-
- motor1_pwm = K_p1*(length_desired-length)/r_pulley;
- motor2_pwm = K_p2*(angle_desired-angle);
+ motor1_pwm = K_p1*error_length_angle;
+ motor2_pwm = K_p2*error_angle;
+
+ //Motor 1 (Translatie)
+ if (error_length_angle >= 0) {
+ motor1direction = false; //Positieve bewegingsrichting (clockwise, towards end)
+ }
+ else {
+ motor1direction = true; // Negatieve bewegingsrichting
+ }
+ motor1control.write(fabs(motor1_pwm));
- motor1control.write(fabs(motor1_pwm));
+ //Motor 2 (Rotatie)
+ if (error_angle >= 0){
+ motor2direction = false; // counterclockwise (arm clockwise)
+ }
+ else {
+ motor2direction = true; // clockwise (arm counterclockwise)
+ }
motor2control.write(fabs(motor2_pwm));
- //motor1direction = motor1_pwm < 0;
- //motor2direction = motor2_pwm < 0;
- }
+}
-
-int main()
-{
+int main() {
+
EncoderTicker.attach(&EncoderFunc, 0.02);
pc.baud(115200);
motor1direction = false;
@@ -79,7 +96,7 @@
while(true)
{
wait(0.1);
- pc.printf("angle = %f, length = %f \r\n", angle, length);
+ pc.printf("angle = %f, length = %f \r\n", angle*180/pi, length);
pc.printf("x = %f, y = %f \r\n", p_current_x, p_current_y);
pc.printf("motor1_pwm = %f, motor2_pwm = %f \r\n", motor1_pwm, motor2_pwm);
}