摘要
介绍了一种利用光纤传输、光敏电阻检测作为反馈,适时调整和控制步进电机,实现工作平台高精度地自动跟踪太阳的机电装置。介绍了系统结构中的信号反馈系统、控制电路和机械结构,重点描述了反馈系统的原理和设计,并用软件仿真进行模拟,验证其可行性和有效性。
The article introduces a kind of automatic solar optical fibers to transfer the sunlight,which is detected by tracking equipment. The system makes use of an array of many photoresistances. The value change of the resistances makes up of signal feedback signal. Thanks to the close loop of the feedback,the equipment can work in high precision. The article describes the signal feedback system,controlling electrical circuit and reducing speed driven structure,especial the principle and design of the signal feedback system,and simulate the design by software and prove the feasibility and availability.
出处
《自动化与仪表》
2007年第2期30-33,共4页
Automation & Instrumentation
关键词
太阳跟踪
信号反馈
自动控制
光敏电阻
solar tracking
signal feedback
automatic control
photoresistance
