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Dependencies: QEI biquadFilter mbed
Fork of Demo_TEST by
Diff: main.cpp
- Revision:
- 9:d5c561b3ea5a
- Parent:
- 8:1efebfebe733
- Child:
- 10:4034134fd7db
--- a/main.cpp Tue Oct 30 12:17:35 2018 +0000
+++ b/main.cpp Tue Oct 30 16:57:53 2018 +0000
@@ -15,32 +15,46 @@
DigitalOut motor2direction(D4);
PwmOut motor2control(D5);
+
+InterruptIn button1(D10);
+
+Serial pc(USBTX, USBRX);
-void EncoderFunc() {
-
+
+ double translatie;
+ double hoekgraad;
+ double hoekgraad2;
+
+
const float pi = 3.141592653589793; // Value of pi
double gearratio = 3.857142857;
double radiuspulley = 0.015915; // Radius pulley [m]
- double hoekgraad = Encoder1.getPulses() * 0.0857142857; // Angle arm [degree]
- double hoekrad = hoekgraad * 0.0174532925;
- double hoekgraad2 = Encoder2.getPulses() * 0.0857142857;
- double hoekrad2 = hoekgraad2 * 0.0174532925;
- double hoekarm = hoekgraad2 / gearratio;
- double translatie = hoekgraad /360 * 2 * pi * radiuspulley; // Translatie arm [m]
+
+
+void EncoderFunc() {
+ hoekgraad = Encoder1.getPulses() * 0.0857142857; // Angle arm [degree]
+ // double hoekrad = hoekgraad * 0.0174532925;
+ hoekgraad2 = Encoder2.getPulses() * 0.0857142857;
+ // double hoekrad2 = hoekgraad2 * 0.0174532925;
+ // double hoekarm = hoekgraad2 / gearratio;
+ translatie = hoekgraad /360.0 * 2.0 * pi * radiuspulley; // Translatie arm [m]
}
//----------------INVERSE KINEMATICS ---------------------------
-double K_v = 1; // Velocity constant (VALUE???) Maximaal 6.6667
-double L0 = 0.09;
+double K_v = 1.00; //velocity constant, max 6.667
+double L0 = 0.09; // starting length
int main()
{
-EncoderTicker.attach(&EncoderFunc, 1);
+EncoderTicker.attach(&EncoderFunc, 0.005);
+pc.baud(115200);
+pc.printf("translatie:%f /n hoekgraad:%f /n hoekgraad2:%f", translatie, hoekgraad, hoekgraad2);
+
-double p_old_x = (translatie+L0)*cos(hoekgraad); // Everytime the x-value from encoder calculated
-double p_old_y = (translatie+L0)*sin(hoekgraad); // Everytime the y-value from encoder calculated
+double p_old_x = (translatie+L0)*cos(hoekgraad2); // Everytime the x-value from encoder calculated
+double p_old_y = (translatie+L0)*sin(hoekgraad2); // Everytime the y-value from encoder calculated
-double J_inv_1_1 = -sin(hoekgraad)/translatie;
+double J_inv_1_1 = -sin(hoekgraad)/translatie; // Construction of inverse Jacobian
double J_inv_1_2 = cos(hoekgraad)/translatie;
double J_inv_2_1 = cos(hoekgraad);
double J_inv_2_2 = sin(hoekgraad);
@@ -62,31 +76,42 @@
y_path[4] = y_path[0];
// for loop
+
+
for(int i=0 ; i<=4 ; i++)
{
double p_new_x = x_path[i];
double p_new_y = y_path[i];
- double p_dot_new_x = K_v * (p_new_x - p_old_x);
+ double p_dot_new_x = K_v * (p_new_x - p_old_x); //Snelheid is constante K_V * distance(p_old p_new)
double p_dot_new_y = K_v * (p_new_y - p_old_y);
// printf("x=%f , y=%f , p_dot_new_x=%f , p_dot_new_y=%f\n",p_new_x,p_new_y,p_dot_new_x,p_dot_new_y);
- double angle_old = atan(p_old_y/p_old_x)*180/pi;
+ double angle_old = atan(p_old_y/p_old_x)*180/pi; //Dynamische manier om hoek en lengte verandering te bepalen
double L_old = sqrt(pow(p_old_x,2)+pow(p_old_y,2));
double angle_new = atan(p_new_y/p_new_x)*180/pi;
double L_new = sqrt(pow(p_new_x,2)+pow(p_new_y,2));
- if (angle_new - angle_old) <= 0
- {
- motor1direction.write(direction1 = !direction1);
- }
- if (L_new - L_old) <= 0
+ if (angle_new - angle_old <= 0) // als hoekveranding ccw > motor cw > true
{
- motor2direction.write(direction2 = !direction2);
- }
+ motor2direction = true;
+ }
+ else
+ {
+ motor2direction = false;
+ }
+
+ if (L_new - L_old <= 0 )// als lengteverandering negatief > to base (ccw) > true
+ {
+ motor1direction = true;
+ }
+ else
+ {
+ motor1direction = false;
+ }
while ( (fabs(p_new_x - p_old_x)) > 0.005 || (fabs(p_new_y - p_old_y)) > 0.005 )
{
