Research Article

An Improved EKF-SLAM for Mars Surface Exploration

Table 1

The simulation parameters.

NameValue

Sampling period0.2 s
The number of feature points in the map200
The radius of the wheel0.3 m
The initial position of the rover
The SD of RN of the accelerometer
The SD of RN of the gyroscope
The SD of RN of the measuring length1.0 m
The SD of RN of the measuring azimuth
The SD of RN of the control stick
Sensor frequency of the IMU20 Hz
Sensor frequency of the camera0.5 Hz
Simulation time400 s

Note: SD denotes standard deviation; RN denotes random noise.