| 1. | Bcw buffer control word 缓冲控制字 |
| 2. | On the basis of it , this thesis sets up three sets of different types of pneumatic cushioning systems and successfully realizes their high - speed pneumatic cushioning control 在此基础上,本文成功完成三套计算机控制智能高速气动缓冲系统的研制工作,并实现了系统的高速气动缓冲控制。 |
| 3. | This result provide base for the controller design . chapter 3 firstly introduces the hardware structure design of the control system which including pneumatic part and computer control part 第三章首先介绍了气缸缓冲控制系统实验平台的硬件设计和结构,包括气动部分和计算机控制部分。 |
| 4. | The real time server is described first , which emphasizes on some key points such as entry control , the design of data frames and cache control . it shows the effect of data compressing to the progress of multimedia application vigorously 在实时服务器端的解说中,阐述了接入控制、数据帧设计、缓冲控制等技术的关键点,并展示了数据压缩技术的发展对多媒体应用的巨大推动作用。 |
| 5. | Then it introduces the developing - history and current application situation of pneumatic cushioning methods . in the end this chapter points out the main content of the research work , especially introduces the electropneumtic proportional / servo control theory and application 最后指出了本课题的提出过程和研究内容,着重介绍了电-气比例伺服位置控制技术在气缸缓冲控制中的应用,并总结了本论文的主要工作。 |
| 6. | Chapter 2 deduces the mathematical model of electropneumtic proportional / servo cushioning controlled system by theoretical analysis . because of the essential nonlinear characteristic of electropneumtic proportional / servo control system , the three orders model is validated right by system identification method 然后用系统辨识方法来建立系统数学模型,验证了气缸缓冲控制系统用三阶模型描述较合理,这为后面控制策略设计提供了依据。 |
| 7. | Then a vsc controller using on - off valve and two potentiometers are designed for cushioning control system . it can realize the balanced , no shock , no reversing cushioning . experiments under different air pressure , load mass are carried out , and the results prove that the vsc controller can be used in pneumatic cushioning 第五章首先介绍了变结构控制的原理和应用发展情况,然后针对本实验系统设计了一个使用开关阀和端位位移传感器的变结构控制方案,实现缓冲过程的平稳无冲击和无回弹要求,并在不同气源压力、不同负载质量下分析了控制性能的变化,实验结果证明缓冲控制采用变结构控制是可行的,并具有很强的鲁棒性。 |
| 8. | User can chang it freely . the signals sampled on hardware interrupt assure the real - time property and control reliability . chapter 4 first analyzes the basic characteristics of electropneumtic proportional / servo cushioning controlled system , especial study the influence of the valve dead zone , system friction and saturation phenomenon 第四章首先将电-气比例伺服控制引入到缓冲控制中,分析了系统被控对象的基本特性,着重分析了气源压力变化、阀口死区、系统摩擦力特性和气路饱和现象对控制系统的影响。 |
| 9. | This thesis deeply researches on cushioning control strategy of the pneumatic cushioning control system . the whole thesis consists of six sections : chapter 1 first briefly states the pneumatic technique feature , the current application situation and the foreground of pneumatic control technique 本论文主要研究气缸缓冲控制系统的控制策略,主要分为以下六个章节:第一章首先概述了气动技术的特点、应用现状和最新发展趋势,然后介绍了气缸缓冲技术的研究意义和发展过程。 |