1700热连轧模拟卷取控制系统的研究与实现

发布时间：2018-06-07 06:20

本文选题：运动控制器 + 恒张力控制　；参考：《辽宁科技大学》2017年硕士论文

【摘要】：在热轧带钢的生产过程中,卷取是最后一道工序,所以卷取技术直接决定了最终产品的质量,恒张力控制是卷取过程中最核心的技术,要保证卷取控制系统具有良好的性能,关键是提高卷取机张力控制系统的性能,保证恒张力卷取,减小张力的波动。本文在没有卷取设备的前提下,在实验室搭建一个模拟卷取控制系统,该控制系统分为两个部分,一部分是卷取机恒张力控制系统,另一部分是模拟卷取系统。恒张力控制系统包括运动控制器,S120变频器,同步电机来实现模拟现场的恒张力卷取,模拟卷取系统是以DSP芯片为核心设计控制系统和以伺服电机作为执行电机,变频器和运动控制器作为恒功率控制系统,同步电机主动加载直流电机,保证直流回路电流曲线按照实际卷取机工作规律变化。首先,是以某钢厂的卷取控制系统为依据,对钢厂进行实地调研,深入了解整个卷取的工艺过程,通过对现场的数据采集进一步分析其具体的卷取过程。其次,根据实验室现有的设备,搭建卷取恒张力控制系统,本系统以simotion D运动控制器作为控制核心,分析其工作原理并使用调试软件SCOUT对运动控制器进行程序的编写,选择卷绕以及张力控制方式等。本文用S120变频器完成对同步电动机的调速,三者构成了卷取恒张力控制系统。再次,搭建了模拟卷取负载系统,并对该系统进行了软硬件设计,同时对伺服驱动器进行参数配置进行现场调试。最后,把卷取恒张力控制系统和模拟卷取负载系统结合起来,通过现场调试采集实验数据,验证了设计的卷取控制系统是可行的,符合现场卷取的规律。
[Abstract]:In the production process of hot rolled strip, coiling is the last process, so the coiling technology directly determines the quality of the final product. Constant tension control is the core technology in the coiling process, so the coiling control system should have good performance. The key is to improve the performance of tension control system of coiler, ensure constant tension coiling and reduce tension fluctuation. In this paper, a simulated coiling control system is set up in the laboratory without coiling equipment. The control system is divided into two parts, one is the constant tension control system of the coiler, the other is the simulated coiling system. The constant tension control system includes the motion controller S120 inverter, synchronous motor to realize the constant tension coiling in the simulation field. The simulation coiling system is designed with DSP chip as the core control system and servo motor as the executive motor. The frequency converter and motion controller are used as constant power control system. The synchronous motor loads DC motor actively to ensure that the current curve of DC loop changes according to the working law of the actual coiler. Firstly, based on the coiling control system of a steel plant, the field investigation is carried out, and the whole process of coiling is deeply understood, and the concrete coiling process is further analyzed through the data collection on the spot. Secondly, according to the existing equipment in the laboratory, the coiling constant tension control system is built. The system takes the simotion D motion controller as the control core, analyzes its working principle, and uses the debugging software SCOUT to program the motion controller. Choose winding and tension control methods. In this paper, the speed regulation of synchronous motor is completed by using S120 frequency converter, and the three constitute the coiling constant tension control system. Thirdly, the simulated coiling load system is built, and the hardware and software of the system are designed. At the same time, the parameter configuration of the servo driver is debugged in the field. Finally, the coiling constant tension control system is combined with the simulated coiling load system, and the experimental data are collected through the field debugging. It is proved that the coiling control system is feasible and accords with the rule of coiling in the field.
【学位授予单位】：辽宁科技大学
【学位级别】：硕士
【学位授予年份】：2017
【分类号】：TG334.9

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