Planetary Rovers' Wheel Sinkage Detection Based on Wheel-Soil Boundary

被引：0

作者：

Lv Fengtian ^{[1
]}

Li Nan ^{[1
]}

Gao Haibo ^{[1
]}

Ding Liang ^{[1
]}

Liu Zhen ^{[1
]}

Deng Zongquan ^{[1
]}

Song Xingguo ^{[1
]}

Yan Bing ^{[2
]}

机构：

[1] State Key Lab Robot & Syst HIT, Harbin, Peoples R China

[2] Beijing Inst Astronaut Syst Engn, Beijing, Peoples R China

来源：

PROCEEDINGS OF THE 2015 2ND INTERNATIONAL CONFERENCE ON ELECTRICAL, COMPUTER ENGINEERING AND ELECTRONICS (ICECEE 2015) | 2015年 / 24卷

关键词：

planetary rovers; wheel-soil interaction; wheel-soil boundary; sinkage; feature extraction;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The detection of wheel sinkage has great significance for rover mobility optimization control and prevention of wheel sinking. A new wheel sinkage detection method is proposed based on planetary rovers' wheel-soil boundary. The model of wheel sinkage calculation is built. The machine vision method is proposed to extract wheel-soil boundary. Wheel-soil interaction image is processed into binary image, and the wheel-soil boundary is extracted according to its morphological features. The wheel sinkage depth, entrance angle and departure angle are calculated through the model of wheel sinkage calculation. The method's applicability has been validated by experiments under various terrain conditions, which are flat terrain, raised terrain, hollow terrain, and rough terrain. Accuracy tests are done with the flat terrain, the results of the experiments indicate that the relative errors of the sinkage depth are around 10% and the relative errors of terrain interface angles are around 5%, when the actual sinkage depth is above 5mm.

引用

页码：1156 / 1161

页数：6

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