本文结合主动光视觉技术和被动光视觉技术的优点，开发了环形扫描激光视觉传感器的光学系统。
In this paper, combining the advantages of active light vision technology and passive light vision technology, an optical system of circular scanning laser vision sensor was developed.
利用钴基非晶薄带环形磁芯的巨磁阻抗效应研制了新型非接触电流传感器。
The novel non-contact type current sensor based on giant magneto-impedance (GMI) effect in Co-based amorphous ribbon toroidal core was studied.
讨论了油脂工业中的环形浸出器物料高度控制系统，它采用超声波传感器测量物料高度，变频器调节电机速度。
The system adopts an ultrasonic transducer to measure the material height and a PWM to control the motor speed.
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