松散地面上车辙表面的非接触式激光测量  

Non-contact Laser Measurement of Rutting Surface on Loose Ground

作　　者：李建桥[1] 王洋[1] 党兆龙[2] 黄晗[1] 刘庆平[1] 张晓冬[1] 

机构地区：[1]吉林大学工程仿生教育部重点实验室,长春130025 [2]中国空间技术研究院,北京100094

出　　处：《农业机械学报》2013年第7期264-268,共5页Transactions of the Chinese Society for Agricultural Machinery

基　　金：国家自然科学基金资助项目(50875107);国家高技术研究发展计划(863计划)资助项目(2010AA101401-3)

摘　　要：车辙表面原始形貌数据对深入研究车轮与松散地面相互作用机理具有重要意义。为了快速准确地获得土槽试验中松散地面上车辙表面原始数据,设计了带有二维移动框架的激光扫描仪,该装置的最大扫描面积是650 mm×400 mm,测距范围为0.05～65 m,扫描分辨率为0.1 mm。在此基础上设计出带有一维移动框架的激光扫描仪,以满足月球车内场试验中快速测量车辙表面形貌的要求。对土槽试验与月球车内场试验中的车辙表面进行测量,试验结果表明所设计的激光扫描仪能够使用非接触测量方法在不扰动车辙的条件下获得车辙表面形貌的纵向断面图和三维图形。The rut geometric analysis is necessary for studying the interaction between the driving wheel and the loose soil. A laser scanner that consisted of a laser sensor and a 2-D traversing frame was developed to measure the digit parameters of ruts in the soil bin which were produced by the rigid wheel on loose soil. The maximum scanning area was 650 mm x 400 mm, measurement range was 0.05 -65 m and scanning resolution was 0.1 mm. A laser scanner with 1-D traversing frame which might be more appropriate for the measurements of rut deformation in the infield of rover was also discussed. The experimental results showed that the scanners could obtain the sections and the 3-D graphics of the surface of ruts by using contactless measuring method without disturbing the ruts.

关 键 词：松散土壤 车辙 非接触测量 激光测距传感器 

分 类 号：S237[农业科学—农业机械化工程] TH761[农业科学—农业工程]