Relay logic control is used in old planer, and its circuitry is complicated, so the malfunction rate is high, and it is difficult to find the malfunction out.
老式龙门刨床的电控部份采用继电器逻辑控制，线路复杂，故障率高，查找故障困难。
The PLC is applicated in the steel tube galvanization process replace of traditional relay logic control to realize the automatic operation and fault treatment.
介绍采用PLC替代传统的继电器逻辑控制对钢管热镀锌的生产实现自动运行及故障处理。
The article analyses control circuit of relay contactor in electric circuit experiment and puts forward to control it with logic function.
对电路实验中继电接触器控制线路进行了研究分析，并提出由逻辑函数实现其控制的方法。
Existing electric locomotive air brakes of Shao Shan types are mostly used DK-1 model electric-air braking machine as control component, its core is to adopt the relay and touch logic control.
现有的韶山型电力机车空气制动系统大都采用DK—1型电空制动机作为控制部件，其核心是采用继电器有触点逻辑控制。
Substitutes S7-200 series of PLC for relay control logic, realizes the automatic control for batching.
使用S7-200系列可编程序控制器（PLC）代替原来的继电器控制逻辑，实现了配料的自动控制。
Four types of operation mode and isobaric water supply function by using relay logic and inverter's pump control function are realized.
通过继电器逻辑和变频器的泵控制功能实现了四种工作模式和恒压供水功能。
Previous elevator is used mostly "relay logic" control, this control failure rate is high, transformation difficulty.
以往的电梯大多采用“继电器逻辑”控制，这种控制故障率高，改造困难。
PLC has high price and complex operation. So the relay is always used in simple logic control.
然而由于PLC成本高，操作复杂，对于简单逻辑控制，目前仍然以继电器控制为主。
Integrating the conventional relay control, computer control and communication control technologies, programmable logic control (PLC) is designed specially for industrial control.
可编程控制器(PLC)将传统的继电器控制技术、计算机控制技术和通信技术融为一体，专为工业控制而设计。
In succession, the paper introduces the control algorithms used in experiment, which include PID control, fuzzy logic control, DMC predictive control and relay feedback identification.
这是因为在相关实验中的控制器算法设计在基本原理上具有一致性。所应用的控制算法包括PID、模糊、DMC预测控制以及对象过程特性的继电反馈辨识。
In succession, the paper introduces the control algorithms used in experiment, which include PID control, fuzzy logic control, DMC predictive control and relay feedback identification.
这是因为在相关实验中的控制器算法设计在基本原理上具有一致性。所应用的控制算法包括PID、模糊、DMC预测控制以及对象过程特性的继电反馈辨识。
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