现代电子技术2012，Vol.35Issue(19)：148-151,4.
基于数字PID增量控制的恒温晶体振荡器
Thermostatic crystal oscillator based on incremental digital PID algorithm
摘要
Abstract
A system with MSP430FG4618 MCU as the control core is designed for the controlling of temperature, which is based on the susceptibility of the output frequency of the crystal clock oscillator to the change of environmental temperature. The system samples the crystal temperature with a high-precision negative temperature coefficient thermistor sensor, and then the crystal temperature error signal is converted to MCU precision with an amplifier IAN330 chip. And this signal is calculated with the incremental digital PID algorithm after twelve-bit A/D conversion to obtain the control incremental quantity. To drive TEC the signal is outputted to the DRV593 chip after a twelve-bit D/A conversion. This process cycles until the temperature of the crystal oscillator tends to a constant state.关键词
恒温/晶体振荡器/MSP430F4618/PIDKey words
thermostatie/ crystal oscillator/ MSP430FG4618/ PID分类
信息技术与安全科学引用本文复制引用
周大进,郭建强,王小峰,李平原,赵立峰,张勇..基于数字PID增量控制的恒温晶体振荡器[J].现代电子技术,2012,35(19):148-151,4.基金项目
国际热核聚变实验堆(ITER)计划专项(2011GB112001) （ITER）
中央高校基本科研业务费专项资金资助(SWJTU11ZT16 （）
SWJTU11ZT31) （）
