现代电子技术
現代電子技術
현대전자기술
MODERN ELECTRONICS TECHNIQUE
2013年
16期
143-145,148
,共4页
何婷婷%郭建强%李游%李芳%殷凯
何婷婷%郭建彊%李遊%李芳%慇凱
하정정%곽건강%리유%리방%은개
光敏器件%PWM波%PID闭环控制%MSP430单片机%光电跟踪
光敏器件%PWM波%PID閉環控製%MSP430單片機%光電跟蹤
광민기건%PWM파%PID폐배공제%MSP430단편궤%광전근종
photosensitive device%PWM wave%PID closed-loop control%MSP430 microcontroller%photoelectric tracking
MSP430系列单片机已广泛应用于许多数字电子控制领域。研究设计中利用光敏感器件对特定光波长范围的光信号敏感原理,将四象限光电位置探测器与MSP430系列单片机相结合,根据四象限光电探测器输出电压与光斑位置的线性关系,通过数字PID闭环控制输出电压调节单片机输出PWM 的占空比来实现精确稳定的搜寻和小范围跟踪目标。研究中利用MSP430F169单片机低功耗、功能完善的特点,配合地动仪式机械结构,实现了一套结构简单,功能丰富,结果稳定精确的实验研究类光电跟踪伺服系统。
MSP430繫列單片機已廣汎應用于許多數字電子控製領域。研究設計中利用光敏感器件對特定光波長範圍的光信號敏感原理,將四象限光電位置探測器與MSP430繫列單片機相結閤,根據四象限光電探測器輸齣電壓與光斑位置的線性關繫,通過數字PID閉環控製輸齣電壓調節單片機輸齣PWM 的佔空比來實現精確穩定的搜尋和小範圍跟蹤目標。研究中利用MSP430F169單片機低功耗、功能完善的特點,配閤地動儀式機械結構,實現瞭一套結構簡單,功能豐富,結果穩定精確的實驗研究類光電跟蹤伺服繫統。
MSP430계렬단편궤이엄범응용우허다수자전자공제영역。연구설계중이용광민감기건대특정광파장범위적광신호민감원리,장사상한광전위치탐측기여MSP430계렬단편궤상결합,근거사상한광전탐측기수출전압여광반위치적선성관계,통과수자PID폐배공제수출전압조절단편궤수출PWM 적점공비래실현정학은정적수심화소범위근종목표。연구중이용MSP430F169단편궤저공모、공능완선적특점,배합지동의식궤계결구,실현료일투결구간단,공능봉부,결과은정정학적실험연구류광전근종사복계통。
The MSP430 MCU has been widely used in many digital electronic control fields. The sensitive principle that the photosensitive device is sensitive to the light signal in a certain wavelength was utilized in the photoelectric tracking system de-sign to combine the four-quadrant optical position detector with the MSP430 MCU. According to the linear relationship between the four-quadrant photodetector output voltage and light spot position,the output voltage is controlled by the digital PID closed-loop to regulate the duty cycle of micro-controller output PWM to achieve precise and stable search and small-scale target tracking. An optoelectronic tracking servo system applied to experimental study was realized by utilizing the characteristics of MSP430F169 micro-controller’s low power consumption,perfect function and seismograph type mechanical structure. It has the advantages of simple structure,full function,running stability and tracking accuracy.