摘要
介绍了PSD器件的工作原理,对基于三角法测量原理的传感器主要结构参数进行了分析,给出了设计的传感器外形。并设计一种含有多种放大倍数的PSD检测电路,可实现测量中对环境变化的自适应能力。最后分析了影响传感器测量精度的各种因素,并讨论了消除的方法。
The operating principle of PSD was introduced briefly. Configuration parameters of laser triangulation sensor were analyzed. The PSD detection circuit with a variety of magnifications was designed to achieve the ability of self-adapting. Finally, the various factors of influencing sensor measurement accuracy and elimination methods were analyzed and discussed.
出处
《机电产品开发与创新》
2007年第5期150-152,共3页
Development & Innovation of Machinery & Electrical Products
关键词
高精度位移传感器
位置敏感器件(PSD)
激光三角法
放大电路
high precision displacement sensor
position sensitive detector (PSD)
laser triangulation
amplification circuit