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Technion – Piezo Motor Drive – Prof. Izhak Bucher – Customized Motion Systems Control Development

 

Market:

Academic (semi-conductors industry)

Project Description:

Professor Izhak Bucher is interested in vibration, and in this project for acoustic flotation using Piezo motor vibrates ~30KHz, which generates air cushion above.

In this project we developed SiC MOSFET Piezo motor amplifier to over-come the associated problems of analog or transformer based low efficiency limited power amplifiers.

By adding internal sensors for Piezo voltage and current and optional accelerometer we could enhance it into FPGA controlled close loop drive. 

Role:

  • System Architecture
  • Electronic design
  • Integration

Technology Highlights:

  • Piezo motr
  • SiC MOSFET
  • Half-bridge design 800V
  • Resonance tracking
  • Sensors conditioning for FPGA interface
  • Various safety issues

 

 

Piezo Motor Drive
Piezo Motor Drive
watch?v=CYMtX3E-Lgs