(intelligent) controller

3+ series controller

32-bits ARM Micro-controller

3-phase thyristor phase shifting controller

3-phase unified power quality controller (UPQC)

555 timing controller

8098 single-chip controller

80C196KC embeded controller

80C51 controller

8259A programmable interrupt controller

89c51 Micro-controller

a Fuzzy Controller

A NOVEL UNIFIED POWER QUALITY CONTROLLER

a virtual microphone feedback controller

ABS controller

AC controller

AC current controller

ac input module， controller

AC motor controller

ac output module， controller