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To meet the technology requirements of detection process of brake cylinder buffer spring for railway truck, the papers was described and analyzed in numerical control, and designed a siemens S7-200 series PLC to control the core of the detection devices, to achieve the precise positioning control for numerical control system.

针对铁路货车制动缸缓解弹簧检测工艺的技术要求，文章在数控测控方面进行了详细的阐述和分析，并研制出了一种以西门子S7-200系列 PLC为控制核心的检测装置，实现了数控系统的精确定位控制。

Aiming at the characteristics of car retarder control system and its performance requirement, a fuzzy self tuning PD controller for retarder control is designed. It takes speed error and its change as fuzzy variables to determine the fuzzy control rules. Using the determined rules, the parameters of PD controller is adjusted on-line, which can be adapted well to required speed and the process parameter variation of retarder feedback control.

针对车辆减速器控制系统的特点和性能要求，设计减速器模糊在线自校正控制器，以调速过程中速度误差及其变化为输入语言变量，建立模糊控制规则；根据模糊控制规则在线调整PD控制器的参数，使控制器能较好地适应减速器闭环控制定速设定及过程参数时变。

A new design method is researched for main steam temperature control system of power plant boiler.A new method of cascade control system is presented by combining prediction control to conventional PID control.

对火电厂锅炉主汽温度控制系统进行了方案设计研究，将预测控制与常规的PID控制方案结合起来，提出了一种串级控制系统的新方法。

Cascade Control is applied wildly in industrial production, the cascade control system can improve quality of control with special gifts, improve quality of control effectively.

串级控制在工业生产中有着广泛的应用，串级控制系统对改善控制品质有独到之处，是改善控制质量的有效方法之一。

Weight control system is the important composition part of modem cigarette machine control system, its technology is one of indispensable crucial technologies of smoke weight control technology, its control effect directly affects the amount of the quality of product, the precision of product and consumption.

重量控制系统是现代卷烟机控制系统的重要组成部分，其技术是烟支重量控制技术不可缺少的关键技术之一，其控制效果直接影响到产品的质量、产品的精度和消耗的多少。

Based on low frequency drive system of the DPB550/150 Ⅱ type an intelligent control strategy applied to the speed control of AC mine hoist is described and a satisfactory control performance is obtained. Some problems, such as unsatisfactory control performance of AC coal mine hoist in deceleration and low speed drive period, and the difficulty of obtaining the constant deceleration during changing load, are solved.

以DPB－550／150－I型中国矿业大学低频拖动系统为基础，应用智能控制策略，实现了交流提升机的速度控制，得到了较好的恒减速控制性能，解决了矿井交流提升机在减速段和爬行段的速度控制性能较差以及在负载变动时，很难实现恒减速的问题。

Plan control, information control and rules control are considered in this assay for FAWs strategy control.

本论文主要是从计划控制、信息控制和规章制度控制三个方面，为一汽提出实施控制的一些建议。

Although the development of the whole pneumatic control by computer-aided design of logic control mode, position control systems and general program controller, etc., but the face of large, complex pneumatic systems, their control more complex.

全气动控制虽然发展了由计算机辅助设计的逻辑控制方式、位置控制系统和通用程序控制器等，但是面对庞大的、复杂多变的气动系统，其控制较复杂。

Methods In the conventional internal quality control in the control specimens after the test day, a specimen which total protein result was 60-80 gL^(-1), and albumin result was 30-50 gL^(-1) was selected from the first ten specimens every day, the specimen's TP and ALB results were retested after 3 hours. The difference between the two test results and the difference of the standard deviation were calculated every day for 40 days. Extreme difference quality control chart was established by control limits of range which was calculated by the standard deviation.

在常规室内质控在控后开始检测标本，每天从前10份标本中选出1份总蛋白60~80 gL^(-1)、白蛋白30~50 gL^(-1)的标本，3 h后再重测1次该标本的TP、ALB，每天计算2次测定结果的差值和差值的标准差，连续40个工作日，利用标准差计算双份测定极差的控制限，建立极差型质控图。

The main character of this control is to set the sheet gauge calculated by bounce formula as practice gauge which is compared with the setting gauge or lock gauge. The difference is the gauge difference value and is regulated by screw-down system. In such a way, the character of this system is increased and avoids the influence of such factors as roll wearing, roll heat expansion and so on. Therefore, it can greatly increase the accuracy of sheet gauge. This paper analyses detailed introduction of the design way for tension automation control ATC, gauge automation control, L2 class software in the modification of AGC, explains the principles of control functions and how the AGC meets with the requirement of cold mill production.

并且，认为在自动厚度控制AGC应用中，依靠现代控制理论、电子技术与计算机技术新成就，采用AGC前馈控制，AGC反馈控制，AGC流量控制，ATC张力控制系统，其控制的主要策略是使原料的厚度变化经过1号轧机轧后趋于常量，以便确保后续轧机控制板型厚度精度，最终达到厚度精确控制的目标，提高冷轧带钢产品质量。

Listen,point and check your answers.

听，指出并且检查你的答案。

Warming needle is one of effective treatment methods for knee arthralgia aggravated by cold,and it is simple,safety,so it should be developed in clinical acupuncture and moxibustion extensively.

但以本院科针灸门诊在2005年1月—2006年6月期间共收治膝痛患者100余例，经过临床的诊断后，其中施以温针治疗的48例，疗效显著，报道如下。1临床资料本组病例48