自动控制系统

Based on mechanism and vehicle theories theoretical analysis is pursued and normal driving conditions are put forward. The relations are analyzed between load distribution and power consumption. Mechanical formula is proposed. Furthermore in this paper the theoretical model of the total power consumption is established, and the relations of the total minimized power consumption with the air-cushion pressure and the fan revolution are discussed. The optimum operation point is put forward. The dynamic digital simulation studies are carried out on the operating procedure of the half-track air-cushion vehicle on soft terrain. Mechanical parameters and soil mechanics characteristics affecting vehicle power consumption and riding performance are analyzed. At the same time according to the model formula, the automation control problem is discussed. It is a theoretical instruction for further automation control.

本文还从力学和车辆原理的角度进行了理论分析，推导了半履带式气垫车的需求功率及正常行驶条件，研究了气垫压力和功率消耗之间的关系，提出了力学模型公式；建立了半履带式气垫车总功率消耗的理论模型，研究了最小功率消耗时功率与垫压及表征气垫车行驶状态的各参数的关系，分析了相应的影响因素，并提出了最佳工作状态的定义；同时进行了半履带式气垫车在软地面的行驶过程的动态数字仿真试验研究工作，对影响车辆功率消耗和行驶平顺性的各力学参数和土壤参数进行了分析，得到了各运行状态参数的变化规律，验证了最佳工作状态和最佳垫压的理论，根据力学模型公式对进一步的自动控制问题进行了探讨，为系统的控制提供了理论指导。

This paper introduces the work principle of AMT, analyses its electronic control system, and researches its collection of signal and control part.

本文对电控自动变速器工作原理进行简要的介绍，重点对其电子控制系统进行分析，并针对其信号的采集及其控制部分进行研究。

MQM ball milling machine use automatic control system, it has the automatically temperature control and self-cycle filter system, as well as deaeration, deodorizing, dehumidity and breed out steam void etc.

MQM球磨机采用全自动控制系统，具有自动温控系统和巧克力自身循环过滤系统，并具有脱气、脱臭、脱水、排出气泡等多种功能。

The matching device automatic test-board is the checking tool checked the matching device capability, precision and reliability are the technique of the the matching device, the precision is the precondition of checking the matching device, the reliability is credibility degree of the decision checking consequent.the topic in view of the existing technique level, the main factors, which influence the measurement precision of the large scale test system, are analyzed in this paper, and the solutions improving the precision are put forward.1 using the multi-channel independent ac to transfer dc module, the power supply of the digit part and the simulation part is discerption, reducing the crosstalk between the digital signal and the simulated signal;2the feedback self-checking module is constructed by singlechip compositive 16 high accuracy a/d , established a closed-loop control system through this module and improved system's overall precision effectively.

匹配装置自动测试台是检测匹配装置性能的检测工具，其重要的技术指标是精度与可靠性，其高精度是作为检测匹配装置的前提，可靠性是决定了检测结果的可靠度。本课题针对现有的技术水平，分析了影响大型检测系统测量精度的主要因素，提出了提高精度的具体方案和办法：1采用了多路独立交流转直流模块，数字部分与模拟部分分开供电，减小了数字信号与模拟信号之间的串扰。2利用单片机集成的16位高精度a/d构建了反馈自检模块，通过该模块建立了一个闭环控制系统，有效地改善了系统的整体精度。

On the basis of analyzing the elementary structure and function of mechanical system and hydraulic controlled system of AT, carried out the failure analysis of AT.

在对自动变速器机械系统与液压控制系统的基本结构与功能进行系统分析的基础上，探讨研究了失效分析方法。

If the order confirmation, the system will be transfer the message to the data warehouse management systems. The warehouse system will automatically according to the order form to complete the order process.

如果订单确认，系统会把相应的信息传递到仓库的数据管理系统，仓库的电脑控制系统就会自动按订单完成取货。

Deals with the analysis and research on the automatic landing system of a pilotless aircraft.

论述了用DGPS／SINS／RA组合导航系统引导的某无人机自动着陆系统的总体方案，利用该无人机的小扰动线性化方程，对其轨迹控制系统进行了分析设计。

This system is the first case in Shannxi financial circles, it gets good managemental benefit, implements IT system's concentrating management of Shannxi construction bank and automatic control, improves the work efficiency, and reduces the risk.

该系统在陕西金融界属于首例，系统上线后取得了很好的管理效益，实现了陕西建行IT系统的集中管理，自动控制，提高了工作效率，降低了风险。

Combination machine tools of future development will be more adopts stepless motor and transmission of ball screw, etc, to simplify structure and shorten the production beat, Using digital control system and spindle box, jig automatic replacement system, in order to improve the process adjustability, Flexible manufacturing systems and into.

组合机床未来的发展将更多的采用调速电动机和滚珠丝杠等传动，以简化结构、缩短生产节拍；采用数字控制系统和主轴箱、夹具自动更换系统，以提高工艺可调性；以及纳入柔性制造系统等。

It proposed that the door frame is composed of glass and aluminum framework.

该论文主要论述了三翼自动旋转门的设计过程，主要对门体、驱动系统、控制系统、安全系统做了详细的分析和设计，提出了采用铝合金和玻璃等组成门体框架。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐