Functie Inverse Kinematica

Dependencies:   HIDScope MODSERIAL

main.cpp

Committer:
LennartvanHoorne
Date:
2018-10-30
Revision:
1:f3afd35a7188
Parent:
0:4fc925102d99
Child:
2:5abed9475e52

File content as of revision 1:f3afd35a7188:

#include "mbed.h"
#include "math.h"
#include "HIDScope.h"

// Constantes
const double L1 = 0.35;
const double L2 = 0.30;
const double T  = 3;

//Variables
double q1;
double q2;
double vx;
double vy;


//Hoe werken de variabls?
// q1 en q2 komen uit de Encoder dus die worden geleverd
// This is the function for the Inverse Kinematics We start with a inverse Jacobian so we can determine q_dot (rotation speed of the motors)

double Inverse_Kinetmatics(&q1 &q2 &q1_new &q2_new){
    
    double invj[2][2] =
    {
        {sin(q1 + q2)/(L1*cos(q1 + q2)*sin(q1) - L1*sin(q1 + q2)*cos(q1)), -cos(q1 + q2)/(L1*cos(q1 + q2)*sin(q1) - L1*sin(q1 + q2)*cos(q1))},
        {-(L2*sin(q1 + q2) + L1*sin(q1))/(L1*L2*cos(q1 + q2)*sin(q1) - L1*L2*sin(q1 + q2)*cos(q1)), (L2*cos(q1 + q2) + L1*cos(q1))/(L1*L2*cos(q1 + q2)*sin(q1) - L1*L2*sin(q1 + q2)*cos(q1))}
    };
    
    double V_q1 = invj[1][1]*vx + invj[1][2]*vy;
    double V_q2 = invj[2][1]*vx + invj[2][2]*vy;
    
    // Numerical Integral to make it position controlled
    double q1_new = q1 + V_q1*T;
    q1 = q1_new;
    double q2_new = q2 + V_q2*T;
    q2 = q2_new;
}