A method was put forward to avoid obstacles for an eggplant harvesting robot manipulator in Cartesian space. The obstacles were supposed equivalently as cylindrical-rings, and then a three-dimensional planning path problem was simplified to a two-dimensional one, which improved the real-time control performance greatly. Transforming the obstacles from work-space to configuration-space could control the robot joints directly, which could avoid complex coordinate translation using Jacobian inverse matrix. Moreover, processing properly image matrix mapped from C space could avoid the path planning failure under A star algorithm. The experimental results show that this algorithm with less computational amount and excellent real-time performance is suitable for harvesting natural growing eggplant automatically.
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姚立健,丁為民,陳玉侖,趙三琴.茄子收獲機器人機械臂避障路徑規(guī)劃[J].農(nóng)業(yè)機械學報,2008,39(11):94-98.[J]. Transactions of the Chinese Society for Agricultural Machinery,2008,39(11):94-98.