Chieh-Tsung Chi

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Developments in power electronic switches and low-cost actuator based on an electronic controller have made it possible to design and implement many functions for a new electric brush cutter. Such an attempt has made in this work by using an electronic controller to control this new brush cutter. Certain important issues in design including the making(More)
This paper aims at researching the effects of voltage-sag events upon AC electromagnetic contactor (abbreviated as AC contactor) and developing a compensation strategy based on feedback control approach. An AC contactor model is first analyzed when sags event is ensured occurrence as well as a novel voltage compensation strategy is designed for timely(More)
It is very important for a biker to ride comfortably and safely around everywhere. Through analyzing the stability characteristic of a bicycle when it was driven on each sloping road, the position of the center of gravity (COG) was commonly one of the key influencing factors. Therefore, this study presented a simple approach to measure the inclination(More)
Developments in power electronic switches and lowcost actuator based on an electronic control module (ECM) have made it possible to design and implement modern control strategies for a new AC permanent magnet (PM) contactor. Such an attempt has made in this work for a colenoid actuator controlling the AC PM contactor. Certain important issues in design(More)
This paper presents a new low-cost electronic control circuit actuator based on a microcontroller is proposed for minimizing the bouncing duration of an AC permanent magnet (PM) contactor after two mechanical contacts closing. The proposed new actuator overcomes the past bouncing problem of an uncontrollable restrictions imposed by previously conventional(More)
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