Public Member Functions | Private Member Functions | Private Attributes
estimation::OdomEstimation Class Reference

#include <odom_estimation.h>

List of all members.

Public Member Functions

void addMeasurement (const tf::StampedTransform &meas)
void addMeasurement (const tf::StampedTransform &meas, const MatrixWrapper::SymmetricMatrix &covar)
void getEstimate (MatrixWrapper::ColumnVector &estimate)
void getEstimate (ros::Time time, tf::Transform &estimate)
void getEstimate (ros::Time time, tf::StampedTransform &estimate)
void getEstimate (geometry_msgs::PoseWithCovarianceStamped &estimate)
void initialize (const tf::Transform &prior, const ros::Time &time)
bool isInitialized ()
 OdomEstimation ()
 constructor
void setBaseFootprintFrame (const std::string &base_frame)
void setOutputFrame (const std::string &output_frame)
bool update (bool odom_active, bool imu_active, bool gps_active, bool vo_active, const ros::Time &filter_time, bool &diagnostics_res)
virtual ~OdomEstimation ()
 destructor

Private Member Functions

void angleOverflowCorrect (double &a, double ref)
 correct for angle overflow
void decomposeTransform (const tf::StampedTransform &trans, double &x, double &y, double &z, double &Rx, double &Ry, double &Rz)
void decomposeTransform (const tf::Transform &trans, double &x, double &y, double &z, double &Rx, double &Ry, double &Rz)

Private Attributes

std::string base_footprint_frame_
double diagnostics_imu_rot_rel_
double diagnostics_odom_rot_rel_
BFL::ExtendedKalmanFilterfilter_
tf::Transform filter_estimate_old_
MatrixWrapper::ColumnVector filter_estimate_old_vec_
bool filter_initialized_
ros::Time filter_time_old_
MatrixWrapper::SymmetricMatrix gps_covariance_
bool gps_initialized_
tf::StampedTransform gps_meas_
BFL::LinearAnalyticMeasurementModelGaussianUncertaintygps_meas_model_
tf::StampedTransform gps_meas_old_
BFL::LinearAnalyticConditionalGaussiangps_meas_pdf_
MatrixWrapper::SymmetricMatrix imu_covariance_
bool imu_initialized_
tf::StampedTransform imu_meas_
BFL::LinearAnalyticMeasurementModelGaussianUncertaintyimu_meas_model_
tf::StampedTransform imu_meas_old_
BFL::LinearAnalyticConditionalGaussianimu_meas_pdf_
MatrixWrapper::SymmetricMatrix odom_covariance_
bool odom_initialized_
tf::StampedTransform odom_meas_
BFL::LinearAnalyticMeasurementModelGaussianUncertaintyodom_meas_model_
tf::StampedTransform odom_meas_old_
BFL::LinearAnalyticConditionalGaussianodom_meas_pdf_
std::string output_frame_
BFL::Gaussianprior_
BFL::AnalyticSystemModelGaussianUncertaintysys_model_
BFL::NonLinearAnalyticConditionalGaussianOdosys_pdf_
tf::Transformer transformer_
MatrixWrapper::ColumnVector vel_desi_
MatrixWrapper::SymmetricMatrix vo_covariance_
bool vo_initialized_
tf::StampedTransform vo_meas_
BFL::LinearAnalyticMeasurementModelGaussianUncertaintyvo_meas_model_
tf::StampedTransform vo_meas_old_
BFL::LinearAnalyticConditionalGaussianvo_meas_pdf_

Detailed Description

Definition at line 60 of file odom_estimation.h.


Constructor & Destructor Documentation

constructor

Definition at line 49 of file odom_estimation.cpp.

destructor

Definition at line 112 of file odom_estimation.cpp.


Member Function Documentation

Add a sensor measurement to the measurement buffer

Parameters:
measthe measurement to add

Definition at line 322 of file odom_estimation.cpp.

void estimation::OdomEstimation::addMeasurement ( const tf::StampedTransform meas,
const MatrixWrapper::SymmetricMatrix &  covar 
)

Add a sensor measurement to the measurement buffer

Parameters:
measthe measurement to add
covarthe 6x6 covariance matrix of this measurement, as defined in the PoseWithCovariance message

Definition at line 332 of file odom_estimation.cpp.

void estimation::OdomEstimation::angleOverflowCorrect ( double &  a,
double  ref 
) [private]

correct for angle overflow

Definition at line 403 of file odom_estimation.cpp.

void estimation::OdomEstimation::decomposeTransform ( const tf::StampedTransform trans,
double &  x,
double &  y,
double &  z,
double &  Rx,
double &  Ry,
double &  Rz 
) [private]

Definition at line 410 of file odom_estimation.cpp.

void estimation::OdomEstimation::decomposeTransform ( const tf::Transform trans,
double &  x,
double &  y,
double &  z,
double &  Rx,
double &  Ry,
double &  Rz 
) [private]

Definition at line 419 of file odom_estimation.cpp.

void estimation::OdomEstimation::getEstimate ( MatrixWrapper::ColumnVector &  estimate)

get the filter posterior

Parameters:
estimatethe filter posterior as a columnvector

Definition at line 352 of file odom_estimation.cpp.

get the filter posterior

Parameters:
timethe time of the filter posterior
estimatethe filter posterior as a tf transform

Definition at line 358 of file odom_estimation.cpp.

get the filter posterior

Parameters:
timethe time of the filter posterior
estimatethe filter posterior as a stamped tf transform

Definition at line 370 of file odom_estimation.cpp.

void estimation::OdomEstimation::getEstimate ( geometry_msgs::PoseWithCovarianceStamped &  estimate)

get the filter posterior

Parameters:
estimatethe filter posterior as a pose with covariance

Definition at line 380 of file odom_estimation.cpp.

void estimation::OdomEstimation::initialize ( const tf::Transform prior,
const ros::Time time 
)

initialize the extended Kalman filter

Parameters:
priorthe prior robot pose
timethe initial time of the ekf

Definition at line 129 of file odom_estimation.cpp.

check if the filter is initialized returns true if the ekf has been initialized already

Definition at line 89 of file odom_estimation.h.

void estimation::OdomEstimation::setBaseFootprintFrame ( const std::string &  base_frame)

set the base_footprint frame of the robot used by tf

Parameters:
base_framethe desired base frame from which to transform when publishing the combined odometry frame (e.g., base_footprint)

Definition at line 431 of file odom_estimation.cpp.

void estimation::OdomEstimation::setOutputFrame ( const std::string &  output_frame)

set the output frame used by tf

Parameters:
output_framethe desired output frame published on /tf (e.g., odom_combined)

Definition at line 427 of file odom_estimation.cpp.

bool estimation::OdomEstimation::update ( bool  odom_active,
bool  imu_active,
bool  gps_active,
bool  vo_active,
const ros::Time filter_time,
bool &  diagnostics_res 
)

update the extended Kalman filter

Parameters:
odom_activespecifies if the odometry sensor is active or not
imu_activespecifies if the imu sensor is active or not
gps_activespecifies if the gps sensor is active or not
vo_activespecifies if the vo sensor is active or not
filter_timeupdate the ekf up to this time
diagnostics_resreturns false if the diagnostics found that the sensor measurements are inconsistent returns true on successfull update

Definition at line 159 of file odom_estimation.cpp.


Member Data Documentation

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MatrixWrapper::ColumnVector estimation::OdomEstimation::filter_estimate_old_vec_ [private]

Definition at line 161 of file odom_estimation.h.

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MatrixWrapper::SymmetricMatrix estimation::OdomEstimation::gps_covariance_ [private]

Definition at line 158 of file odom_estimation.h.

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MatrixWrapper::SymmetricMatrix estimation::OdomEstimation::imu_covariance_ [private]

Definition at line 158 of file odom_estimation.h.

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MatrixWrapper::SymmetricMatrix estimation::OdomEstimation::odom_covariance_ [private]

Definition at line 158 of file odom_estimation.h.

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MatrixWrapper::ColumnVector estimation::OdomEstimation::vel_desi_ [private]

Definition at line 161 of file odom_estimation.h.

MatrixWrapper::SymmetricMatrix estimation::OdomEstimation::vo_covariance_ [private]

Definition at line 158 of file odom_estimation.h.

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The documentation for this class was generated from the following files:


robot_pose_ekf
Author(s): Wim Meeussen, contradict@gmail.com
autogenerated on Thu Aug 27 2015 14:07:38