research area #1 Magnetic Levitation Application

Magnetic Bearing

• Radial/axial stability of high-speed spindle motor
• Circumferential air-gap detection using cylindrical capacitance probe
• Planar magnetic bearing
• Motor with the imbedded bearing function

Magnetic Vehicle/Transport

• Novel vehicle principle using the rotating magnetic wheels
• Contact-free conveyance of steel plate
  • ntegrated actuating mechanism of levitation/propulsion/guidance
  • ndependent control of levitation/propulsion of induction motor
• Surface induction motor
• Omni-directional & multi degrees of freedom motor

research area #2 Precision Actuator & Measurement Principle

Ultra-precision stage

• Non-contact moving permanent magnet type of surface actuator using magnetic levitation
• Robust attraction type of surface actuator
• Repulsion-based maglev positioner with antagonistic principle
  • Optimization of magnetic pole locations
• Variable reluctance type of actuator
• Rotary stage with fully revolvable capability

expansion of traditional measuring methodology

• Image pattern-based recognition of planar position
• Surface encoder including air-gap detection
• Indirect measurement using geometric conversion

research area #3 Integrated Computer Aided Engineering

• Magnetic Analysis linked with modal and thermal analysis
• Theoretical modeling of electromagnetic phenomenon & numerical analysis
• Identification of novel force generating mechanism
• How to compensate a non-linearity of the magnetic elements
• Qualitative and quantitative evaluation of magnetic force model