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In this paper, we describe the development of master-slave pneumatic robotic system and its ability to remotely control some functional tasks of backhoe machines during operation on construction sites. The functional tasks include (i) excavating (loading), (ii) lifting, (iii) transporting loads, and (iv) unloading. Pneumatic actuators and grippers, CCD cameras and a control box containing power source,...
Although impedance display is relatively easy to realize by force display manipulators, it is well known to be quite difficult to express extremely light and hard spring characteristics. Two types of displacement and force commands are conceivable for force display system. Systems with those control commands have their own merits and demerits. Characteristic dependence on those command types is compared.
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