Industrial Technology Research Institute

Chung-Lin Tseng

Kai-Cheung Juang

Yi-Ting Wang

Tzu-Yi Yang

Tsan-Huang Chen

Hsuan-Yu Tsai

Horng-Jzer Shih

Yu-Chen Lee

Jyun-Liang Lai

Yung-Hsi Chang

An encoder and a signal processing method are disclosed. The method includes: receiving an analog signal, and generating a filtered analog signal by an analog filter according to the input signal and a first frequency indication signal; generating a digital signal by an analog-to-digital converter according to the filtered analog signal; generating a filtered digital signal by a digital filter according to the digital signal and a second frequency indication signal; generating a seventh signal and an eighth signal by a dynamic offset calibration unit according to the filtered digital signal and a period indication signal; and generating a position information by a position detection unit according to the seventh signal and the eighth signal. The first frequency indication signal, the second frequency indication signal and the period indication signal are generated by a frequency generation module according to the filtered analog signal or the digital signal.

Encoder and signal processing method using the same

In an embodiment, a power apparatus operating method includes receiving a mode switching signal to control an operating of a power apparatus to provide and/or receive a preconfigured load; sensing an enable route current of an enable route, and a bypass route current of a bypass route, wherein the enable route current flowing through a battery module including one or more batteries, and the bypass route current does not flowing through the battery module; and controlling driving a first and a second switches by using a negative feedback control and an open loop control, to perform a current switching between an enable mode and a bypass mode of the power apparatus, based on the mode switching signal, the enable route current and the bypass route current, wherein the enable mode uses the power apparatus and the bypass mode bypasses the power apparatus.

Power apparatus operating method, power apparatus, and power apparatus management system

A system for providing, from a direct current (DC) voltage source, an alternating current (AC) to an electrical grid outputting a grid voltage, the system including: a transformer for coupling to the DC voltage source through a first switch controlled by a first control signal, and configured to provide a converted voltage based on a DC voltage; a rectifier coupled to the transformer, and configured to generate an envelope voltage of the converted voltage; a plurality of switches coupled to the rectifier to receive the generated envelope voltage of the converted voltage, the plurality of switches being controlled by a plurality of control signals, respectively, and configured to generate the AC from the generated envelope voltage of the converted voltage; and control apparatus coupled to the first switch and the plurality of switches, and configured to provide, based on the grid voltage, the first control signal and the plurality of control signals.

System for providing an alternating current, and control apparatus and method thereof

A processing system including a first processing module and a second processing module is disclosed. The first processing module transforms and amplifies a grounded signal to generate a first processed signal and transforms and amplifies a predetermined signal to generate a second processed signal. The second processing module transforms the first processed signal to a first digital code according to a first reference voltage group and transforms the second processed signal to a second digital code according to a second reference voltage group. The second processing module adjusts a third reference voltage group according to the first and the second digital codes, and during a normal mode, the second processing module generates a third digital code according to the adjusted third voltage group.

Growing community of inventors

Zhongli, Taiwan

Chung-Lin Tseng