According to the demands of the enterprises , combining with the actuality , this dissertation has designed a hydraulic control system for inlet hatch , in order to meet the waterworks " requirements - cutting off the inlet in time when an electrical failure should occur . this system benefits the safety and well - running of waterworks . besides , with the simulink in matlab , it has simulated the dynamic characters of the system to optimize the parameters , components and system 根据企业需求，结合现状，本文设计了速闭闸液压控制系统以满足水处理厂远程控制闸门及在断电时快速切断进厂水源的迫切需要，有利于保证水处理厂的安全、正常运行：利用matlab提供的simulink软件包对速闭闸控制系统的动态特性进行仿真，来达到优化参数、元件、系统的目的。
Through analysis to the performance of er valve under real work state using simulation and experiment , we can conclude that using er valve as fluid control - unit would improve the response speed of system , simplify the control method and have a better controllability to actuators . then the feasibility of er technology applied to hydraulic control system is proved 在实际工作状态下对电流变阀的工作特性进行了研究，通过仿真和实验分析得出：使用电流变阀作为流体控制元件，能提高系统的响应速度，简化控制方法，对执行元件具有较好的可控性，验证了电流变技术用于液压控制系统的可行性。
The basic principle of hydraulic system of tb80k trimming is set forth . the changing process of engaging pressure is analyzed and studied , the engaging pressure is produced in transmission controlled by electro - hydraulic proportion when shift gear is switched ; the hydraulic control system used in remote control is studied and designed applied with electro - hydraulic proportional control theory and on the basic of the hydraulic characteristic of tb80k trimming dozer , more and more electro - hydraulic reform projects and assumption are present 本文阐述了tb80k推耙机液压系统的基本原理；对电液比例控制变速箱换档在各档之间切换的接合压力变化过程进行试验分析研究；应用电液比例控制理论，结合tb80k推耙机液压系统结构特点进行遥控液压控制系统研究和设计，并提出了多种电液改造方案和设想。
After introducing the general situation of the hatch , the trait and research status of hydraulic control , complying with the technical request of the enterprises , this dissertation first have designed a double - hatched hydraulic control system with an accumulator as a storable energy 在介绍闸门的概况，分析液压传动控制的特点以及液压系统动态特性研究现状后，本文首先根据企业提出的技术要求，设计了一个采用蓄能器作为储备能源的双闸门液压控制系统，实现正常与停电工况下的功能要求。
An er valve - control system is designed theoretically . it ' s components , especially er fluids and er valves , which are different with components of traditional hydraulic valve - control system , are discussed and analyzed . the requirements for er fluids " s substitution to traditional hydraulic oil are brought forward 尤其对系统中不同于传统液压控制系统的方面如电流变液，电流变阀作了重点的分析和讨论，提出了对电流变液作为传动介质的要求；推导出了电流变控制阀的控制方程。
Hydraulic control system of double - cylinder vessel gate is a sort of typical electrohydraulic proportional control system0 in order to study electrohydraulic flux control characteristics of this system , i have analyzed the principle of this hydraulic control system , and made its mathematics model ? in double - cylinder hydraulic system , it is necessary to process electric synchronous control in this hydraulic system , , this paper also introduces a sort of fnn ameliorated from the point of view of intelligent control theory , and clarifies the principle of applying that network to achieve synchronous controlo at the same time , the means of fuzzy configuration analysis is used for network training , , the comparative experiments make known that the method of applying fnn to realize synchronization control is feasible , furthermore , its effect is better than others0 this paper puts forward that a distributed control system can be used to monitor and control vessel gate within a real - time or remote distance , the basic project , structure , applications and functions of computerized scada system in hydraulic system of vessel gate is introduced ? a double layer network structure , epigynous and hypogynous machine network , is applied to this system , , in accord with the application of technique such as plc , integrated software etc , this paper introduces the methods and application to achieve the computerized scada system in the task , and analyzes the characteristic of this system , , in this paper , the application of configuration in monitor and control system of vessel gate is discussedo in addition , in accord with the application of technique such as visual basicb 双缸船闸液压启闭控制系统要求解决同步控制问题，文中从智能控制理论角度出发，采用了一种改进的模糊神经网络，结合模糊聚类分析方法，阐述了应用该网络实现同步控制的原理。通过对比仿真实验表明：应用模糊补经网络实现同步控制是可行的，而且它的同步控制效果要优于传统的设置主从令缸控制方法，具有良好的鲁棒性能。另外，本文提出了建立船闸控制系统的分布式控制系统，介绍了船闸液压控制系统的计算机监控系统( scada )的方案、结构、应用和主要功能，采用双层网络化结构：上位机网络和下位机网络，并结合plc通信网络技术和组态软件等技术构成的计算机监控系统的实现方法，实际应用，分析了这种较新的系统模式在船闸液压控制系统的计算机监控系统的功能实现中所具有的特点。
In chapter 1 , the application and developing trend of speed control of hydraulic pressure system is discussed . the significance and foreground of applying vfvs technology in the hydraulic pressure system is demonstrated . the content and technical method used in this study is introduced at the end of the chapter 第一章，论述了液压调速控制技术的应用和研究动态，提出了将变频调速技术应用于液压控制系统的意义和应用前景，并介绍了本文的主要研究方向和内容。
Based on the analysis of current control programs of the connecting and dismounting rods ? coupling for the down - the - hole , the automatic control program is put forward for the propulsion floated by rotation pressure controlling , and the program is tested 分析了新型液压碎石机液压系统的特点及要求,研究设计了新型的液压控制系统,并介绍了其组成与工作原理,以及流量和压力的调节与控制原理.该新型液压控制系统可在操纵台上直接控制碎石冲击器的工作参数和性能参数,系统效率高,操纵控制舒适方便,能适应不同工况的需要
The main task for electronic control system is to rebuild the current minitype double - roller cast machine into automation and to monitor the process of continuous casting technology including sample - data showing and controlling . it ' s useful to study the continuous casting technology of thin belt tech and what ' s the parameter effect on the process of the continuous casting and the final products . it ' s also helpful to raise the accuracy , to get better control performance , to accumulate the experience of continuous casting automatic control 整个系统由液压控制系统和电控系统组成，电控系统的主要任务即是对现有实验用小型双辊铸机进行自动化改造，实现对连铸过程的监控，包括参数的采集显示和实施控制等，以便于深入探索薄带连铸工艺，研究各种工艺参数对连铸过程和最终产品质量的影响；以及提高控制精度、获得更好的控制性能、积累连铸系统自动控制方面的生产经验。
