CAJ | 학술논문

针对目前普遍采用的电加热式热处理设备温度控制精度低，加热效率低的缺点，设计了一种适合于针对石油输油管加热的高频电源，解决了传统电加热温度控制精度低，能源浪费的问题。该方案以DSP为控制核心采用模糊PID温度控制策略，增强了系统对负载参数变化和外部干扰的适应性，有效的提高了温度控制精度。分析了加热电源的结果和原理，并对控制电路和控制方法进行了设计。通过实验对该系统的性能进行了验证，实验结果表面，该系统提高了对输油管路温度的精确控制，提高加热效率能够满足工业生产要求，可用于对现有的石油输油管路加热系统进行改造。
침대목전보편채용적전가열식열처리설비온도공제정도저，가열효솔저적결점，설계료일충괄합우침대석유수유관가열적고빈전원，해결료전통전가열온도공제정도저，능원낭비적문제。해방안이DSP위공제핵심채용모호PID온도공제책략，증강료계통대부재삼수변화화외부간우적괄응성，유효적제고료온도공제정도。분석료가열전원적결과화원리，병대공제전로화공제방법진행료설계。통과실험대해계통적성능진행료험증，실험결과표면，해계통제고료대수유관로온도적정학공제，제고가열효솔능구만족공업생산요구，가용우대현유적석유수유관로가열계통진행개조。
Due to the present electric heating heat treatment equipment is general y used to low temperature control precision,the shortcomings of low efifciency of heating,we design a suitable for heating for oil pipeline of high frequency power supply,solve the traditional electric heating temperature control precision is low,the problem of energy waste.This project using DSP as the cybernetics core and adopting fuzzy-PID control strategy,enhance the adaption for the parameter change and external interference;effectively improve the temperature control precision.We analyze the structure and the control strategy of the system and designed the control circuit and the control strategy.On the system performance is veriifed through the experiment,the surface of the experimental results,the system improves the precision of pipelines temperature control,improve the efifciency of heating can meet the requirement of industrial production,and can be used for the reconstruction of the existing oil pipelines heating system.