dragonpilot - 基於 openpilot 的開源駕駛輔助系統
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#include <acado_code_generation.hpp>
#include "selfdrive/common/modeldata.h"
using namespace std;
int main( )
{
USING_NAMESPACE_ACADO
DifferentialEquation f;
DifferentialState x_ego, v_ego, a_ego;
DifferentialState dummy_0;
OnlineData min_a, max_a;
Control j_ego, accel_slack;
// Equations of motion
f << dot(x_ego) == v_ego;
f << dot(v_ego) == a_ego;
f << dot(a_ego) == j_ego;
f << dot(dummy_0) == accel_slack;
// Running cost
Function h;
h << x_ego;
h << v_ego;
h << a_ego;
h << j_ego;
h << accel_slack;
// Weights are defined in mpc.
BMatrix Q(5,5); Q.setAll(true);
// Terminal cost
Function hN;
hN << x_ego;
hN << v_ego;
hN << a_ego;
// Weights are defined in mpc.
BMatrix QN(3,3); QN.setAll(true);
double T_IDXS_ARR[LON_MPC_N + 1];
memcpy(T_IDXS_ARR, T_IDXS, (LON_MPC_N + 1) * sizeof(double));
Grid times(LON_MPC_N + 1, T_IDXS_ARR);
OCP ocp(times);
ocp.subjectTo(f);
ocp.minimizeLSQ(Q, h);
ocp.minimizeLSQEndTerm(QN, hN);
ocp.subjectTo( 0.0 <= v_ego);
ocp.subjectTo( 0.0 <= a_ego - min_a + accel_slack);
ocp.subjectTo( a_ego - max_a + accel_slack <= 0.0);
ocp.setNOD(2);
OCPexport mpc(ocp);
mpc.set( HESSIAN_APPROXIMATION, GAUSS_NEWTON );
mpc.set( DISCRETIZATION_TYPE, MULTIPLE_SHOOTING );
mpc.set( INTEGRATOR_TYPE, INT_RK4 );
mpc.set( NUM_INTEGRATOR_STEPS, 1000);
mpc.set( MAX_NUM_QP_ITERATIONS, 50);
mpc.set( CG_USE_VARIABLE_WEIGHTING_MATRIX, YES);
mpc.set( SPARSE_QP_SOLUTION, CONDENSING );
mpc.set( QP_SOLVER, QP_QPOASES );
mpc.set( HOTSTART_QP, YES );
mpc.set( GENERATE_TEST_FILE, NO);
mpc.set( GENERATE_MAKE_FILE, NO );
mpc.set( GENERATE_MATLAB_INTERFACE, NO );
mpc.set( GENERATE_SIMULINK_INTERFACE, NO );
if (mpc.exportCode( "lib_mpc_export" ) != SUCCESSFUL_RETURN)
exit( EXIT_FAILURE );
mpc.printDimensionsQP( );
return EXIT_SUCCESS;
}