A new way to generate stable ac current is found with feedbackcontrolsystem by single chip microcomputer. So a new high power ac current regulator is developed.
再用单片机组成反馈控制系统，从而找到了交流稳流的新方法，研制出一个大功率交流稳流电源。
2
The electro-hydraulic proportional control valve uses the proven force feed-backsystem for improved hysteresis, repeatability, and response.
电液比例控制阀使用的证明力反馈改善滞后性，重复性系统和响应。
3
Aiming at solving the unsafety problem of milling vertebra wall in spine stenosis surgery a spine robot system based on force feedbackcontrol strategy is introduced.