This paper is mainly discuss the design about PLC temperature control system of box heat-treatment furnace.
本文主要讨论了以可编程控制器为核心的箱式热处理炉温度控制系统的设计。
A modified fuzzy controller structure which has faster response and higher accuracy is used to control the temperature and the pressure of the furnace.
在炉温和炉压控制回路中，采用了经过改进的模糊控制器，得到了较快的响应特性和较精确的温度、压力控制效果。
The accurate control of the work pieces temperature in vacuum annealing furnace is a typical nonlinear large time delay and cross coupling complicated problem.
而在真空退火的生产过程中，退火工件温度的精确控制是一个典型的非线性、大时滞、强耦合的复杂控制问题。
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