openpilot is an open source driver assistance system. openpilot performs the functions of Automated Lane Centering and Adaptive Cruise Control for over 200 supported car makes and models.
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
 
 
 
 
 
 

57 lines
1.8 KiB

#pragma once
#include <string>
#include <cmath>
#include <memory>
#include <eigen3/Eigen/Core>
#include <eigen3/Eigen/Dense>
#include "generated/live_kf_constants.h"
#include "rednose/helpers/ekf_sym.h"
#define EARTH_GM 3.986005e14 // m^3/s^2 (gravitational constant * mass of earth)
using namespace EKFS;
Eigen::Map<Eigen::VectorXd> get_mapvec(Eigen::VectorXd& vec);
Eigen::Map<MatrixXdr> get_mapmat(MatrixXdr& mat);
std::vector<Eigen::Map<Eigen::VectorXd>> get_vec_mapvec(std::vector<Eigen::VectorXd>& vec_vec);
std::vector<Eigen::Map<MatrixXdr>> get_vec_mapmat(std::vector<MatrixXdr>& mat_vec);
class LiveKalman {
public:
LiveKalman();
void init_state(Eigen::VectorXd& state, Eigen::VectorXd& covs_diag, double filter_time);
void init_state(Eigen::VectorXd& state, MatrixXdr& covs, double filter_time);
void init_state(Eigen::VectorXd& state, double filter_time);
Eigen::VectorXd get_x();
MatrixXdr get_P();
double get_filter_time();
std::vector<MatrixXdr> get_R(int kind, int n);
std::optional<Estimate> predict_and_observe(double t, int kind, std::vector<Eigen::VectorXd> meas, std::vector<MatrixXdr> R = {});
std::optional<Estimate> predict_and_update_odo_speed(std::vector<Eigen::VectorXd> speed, double t, int kind);
std::optional<Estimate> predict_and_update_odo_trans(std::vector<Eigen::VectorXd> trans, double t, int kind);
std::optional<Estimate> predict_and_update_odo_rot(std::vector<Eigen::VectorXd> rot, double t, int kind);
Eigen::VectorXd get_initial_x();
MatrixXdr get_initial_P();
MatrixXdr H(Eigen::VectorXd in);
private:
std::string name = "live";
std::shared_ptr<EKFSym> filter;
int dim_state;
int dim_state_err;
Eigen::VectorXd initial_x;
MatrixXdr initial_P;
MatrixXdr Q; // process noise
std::unordered_map<int, MatrixXdr> obs_noise;
};