活门组件液压试验器及工件入口液体恒温控制系统研究

发布时间：2018-05-07 16:48

  本文选题：活门组件 + 独立活门　； 参考：《沈阳工业大学》2013年硕士论文

【摘要】：活门组件综合试验器（以下简称试验器）是专门为检测飞机活门组件和独立活门的性能指标而开发的一种新型试验设备，，针对试验器的基本技术要求，给出了该试验器液压控制系统原理图、电气控制系统硬件组成框图及软件系统的工作流程图，并着重就开发中所遇到的重点、难点进行了较详细的介绍，同时验证的设计方案的正确性。 本文主要进行了如下一些研究工作： （1）阐述了该综合试验器的主要功用，简要说明了试验器在国内外的发展现状并分析了试验器发展的必要性。 （2）介绍了独立活门和活门组件在飞机发动机中的重要作用和价值，并详细描述了试验器液压系统、测控系统的结构和工作原理。 （3）确定了试验器温度控制系统各部件的数学模型，建立了温控系统的计算机仿真模型。用Simulink仿真软件对温度控制系统的方案进行仿真，验证了温度系统控制方案的不足并加以改进，确定了最终的温度系统控制方案。 （4）对该综合试验器温度控制系统进行了深入的研究和细致的分析，结合温度控制方法及温控系统数学模型提出了一套温度控制系统的方案，并将温度控制过程部分利用Simulink仿真工具箱进行了仿真。通过仿真验证，该温度控制系统可实现控制精度达±2℃，完全满足了试验器对温度控制的要求并具有较高的可靠性。 研究表明：飞机发动机活门组件和独立活门由于其结构、特性等的复杂度，需要对其流经介质的温度有着较为苛刻的要求，利用计算机仿真的方法可以有效地对其进行实验研究，仿真结果证明这种温度控制系统方案是一种简单有效的温度控制方案，可以在相关控制领域得到更多、更有效的应用。这对同类相关温度控制研究上具有一定的实际应用意义和参考价值。
[Abstract]:The valve assembly comprehensive tester (hereinafter referred to as "the tester") is a new type of test equipment specially developed for testing the performance index of the aircraft valve assembly and the independent valve, aiming at the basic technical requirements of the tester, The schematic diagram of the hydraulic control system of the tester, the hardware block diagram of the electrical control system and the working flow chart of the software system are given, and the key points and difficulties encountered in the development are introduced in detail. At the same time verify the correctness of the design scheme. The main work of this paper is as follows: In this paper, the main functions of the comprehensive tester are expounded, the development status of the tester at home and abroad is briefly explained and the necessity of the development of the tester is analyzed. This paper introduces the important role and value of independent valve and valve assembly in aircraft engine, and describes in detail the hydraulic system of the tester, the structure and working principle of the measurement and control system. The mathematical model of each component of the temperature control system of the tester is determined, and the computer simulation model of the temperature control system is established. The scheme of temperature control system is simulated with Simulink software. The shortcomings of the control scheme of temperature system are verified and improved, and the final control scheme of temperature system is determined. 4) the temperature control system of the synthetic tester is studied and analyzed in detail, and a set of temperature control system scheme is put forward in combination with the temperature control method and the mathematical model of the temperature control system. The temperature control process is simulated by Simulink simulation toolbox. The simulation results show that the temperature control system can achieve a control accuracy of 卤2 鈩

本文编号：1857692