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WELCOME TO

About The Lab

The laboratory was founded by Dr. Shiang-Hwua Yu in 2004, devoted to the control system design and instrumentation, with a particular interest in the designs of ultrasonic and sonar systems and the plasma power supply.

實驗室主持人  余祥華

設計與製作家電、工業製造、科研及生醫所需

系統,特別是超音波、聲納、電漿相關的應用
實驗室名稱: 儀器設計與製作實驗室
實驗室分機: 4191
e-mail : shaun@mail.ee.nsysu.edu.tw

An intriguing question

Many of our research problems can be rephrased

as: 

 

  "How to hide a signal in a series of pulses and faithfully recover it back with little noise and distortion ? 

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精密變頻溫控系統

Separable air conditioner
Indoor & outdoor 
communication
EEV superheat control 
Anti-frosting control
Compressor & fan 
speed control
Indoor temperature control

九幅值D類音頻功率放大器

The control scheme is optimized to reduce the frequency weighted tracking error & the equivalent control signal simultaneously, compromising between a satisfactory performance & a wide stable input range.

無感測變頻壓縮機驅動

Rotor Position Estimation
A Back EMF observer used to 
estimate the rotor position.

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