[ Power Electronics Laboratory ]

 [Tube-Amp]  [Stepping-Motor]  [4-axis CNC]  [Motor Control]  [HID Ballast]  [EMI-EMC]  [uP+DSP]  [Equip]  [Link]

Zero Feedback Tube Amp

Analog Engineers vs Digital Engineers ?

• What I did in PE- Lab.

  I am building a lot of machines with technology of Power Electronics. The applications of electronic circuits are my topics as for motor drives, motion control, HID lamps, inverters, SMPS and EMI solutions. I used to employ 89C52. I prefer analog+digital design by using ATmega, ADMC401 dsp and dsPIC30F6010. C++ Builder is used for MMI(man machine interface) program. Multimedia timer gives me a real time control under Windows PC. Recently, many people ask me about HID ballast. I have opened results of my researches. I love mini-lathe and mill so I build my own 4-axis CNC using stepper motors. I am improving it.

  I received my BSEE from Yeungnam University in 1984 and MSEE and Ph.D. (Power Electronics) from Kyungpook University, Korea in 1988 and 1993, respectively. I have joined the faculty of Electronic Engineering at the Uiduk University, in 1998. I have researched on motor control, motion control system(CNC) and electronic ballasts for HID lamps.