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