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Controlling absolute magnitudes of fingertip force is an important skill in many haptic interactions such as surgical operations and mechanical assemblies. A fundamental question in the force control is how quickly human can output a target force with expected accuracy. In this paper, human's capability to control absolute magnitudes of fingertip force under audio or visual feedback was observed through...
Sensor as one of the key parts in positioning stage plays an important role in influencing performance of the system. In this paper, for the typical positioning stage, effects of sensor resolution on the positioning accuracy are discussed. The describing function method which is more formula analysis and phase plane method which is more intuitive graphic description are used separately to analyze...
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