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In controlling ball-screw driven stages of machine tools, industrial robots, and welfare robots, they are modelled as two-inertia systems to consider their transmission characteristics such as low rigidity and nonlinearity. To obtain precise position at the load side, the number of devices with load-side encoders is increasing. The precise joint torque control method and the load-side torque control...
In the past 20 years, control methods for two-inertia systems have gradually changed from semi-closed control to full-closed control in order to achieve higher precision positioning. Though there is a trend toward the expansion of the use of load-side encoders in the industry, we can hardly say that control methods using load-side information are sufficiently studied. This paper proposes a novel joint...
Electric vehicles (EVs) have been identified as being alternatives to traditional engine vehicles due to their reduced impact on environments. However, as one of the inherent disadvantages, limited operating range prevents EVs from wide spreading. Although high efficiency motors and large-size batteries can be employed to increase mileage per charge, pure control approaches for cruising range extension...
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