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電液手控器型遙操作機(jī)器人力反饋控制策略
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Bilateral Servo Control of Tele-robot Based on Electro Hydraulic Manipulator
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    摘要:

    針對(duì)現(xiàn)有電動(dòng)力反饋操縱裝置存在剛度小、力效果不明顯的問(wèn)題,設(shè)計(jì)了電液伺服力反饋手控器。該手控器在水平方向上具有X、Y兩個(gè)旋轉(zhuǎn)自由度,每個(gè)自由度采用單獨(dú)的伺服閥控液壓馬達(dá)驅(qū)動(dòng),空間運(yùn)動(dòng)互不干涉。綜合傳統(tǒng)的力反射伺服型和并列型雙向伺服控制算法的優(yōu)點(diǎn),提出力/位置偏差復(fù)合型主從雙向控制策略。以液壓手控器為主手,四自由度工程機(jī)器人為從手,進(jìn)行主從遙操作力反饋雙向伺服試驗(yàn)研究。驗(yàn)證了力/位置偏差復(fù)合型控制算法能有效提高系統(tǒng)響應(yīng)的快速性和穩(wěn)定性。

    Abstract:

    Aiming at the problem of low stiffness and indistinctive force perception existing in current electronic manipulator, an electrohydraulic force feedback manipulator was set up. The manipulator had two rotational degree of freedom along X and Y direction in horizontal space, and each was driven by a single hydraulic servoing motor. Therefore, the motion of the manipulator along its different rotational axes would not interfere each other. Synthesizing the advantages of traditional bilateral control algorithm of force reflection servo type and parallel type, a combination of force/position deviation bilateral control strategy was put forward. Taking the hydraulic manipulator as the master and a 4DOF construction robot as the salve, a telerobot operation experiment was tested to study the bilateral servoing algorithm. Experiment showed that the combination of force/position deviation bilateral control strategy could effectively improve the dynamic response and stableness of the system. 

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倪 濤,趙丁選,張紅彥.電液手控器型遙操作機(jī)器人力反饋控制策略[J].農(nóng)業(yè)機(jī)械學(xué)報(bào),2010,41(12):190-194. Ni Tao, Zhao Dingxuan, Zhang Hongyan. Bilateral Servo Control of Tele-robot Based on Electro Hydraulic Manipulator[J]. Transactions of the Chinese Society for Agricultural Machinery,2010,41(12):190-194.

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