查询词典 process control

Option Group Control - This control simplifies the grouping of option buttons, a process which normally involves putting them into a container control such as a frame and writing code to detect the current selection.

这个控件简单化了选择按钮的分组，一个程序一般是将它们放到一个容器控件中，例如一个帔，并编写代码来查询当前的选择。

Firstly, based on the sliding mode control and backstepping technique, a new attitude tracking controller is derived to control the attitude motion of spacecraft, the stability of the system is analyzed via Lyapunov method and the reaction wheel dynamics is also considered from the real applications point of view. The whole design process is divided into two steps: the first step is to use sliding control technique to design suppositional adaptive variable structure controller; and the second step is to design attitude tracking controller based on SMC and backstepping technique. Numerical simulations are performed to show that both tracking maneuver and vibration suppression can be accomplished effectively.

首先，采用自适应后步法结合主动振动控制技术设计了姿态跟踪鲁棒控制器，基于Lyapunov方法分析了系统的渐近稳定性；在此基础上，显性地考虑了执行机构动态特性问题，将整个设计过程分为两个步骤：第一步采用滑模控制技术设计了变结构虚拟控制器，给出自适应控制律的设计方法；第二步，将后步法与滑模控制技术相结合，设计了姿态跟踪鲁棒控制器，给出飞轮电压的输入算法及稳定性分析；最后，将提出的控制方法应用于挠性航天器的姿态跟踪控制，通过数值仿真对所提方法的可行性与有效性进行分析和验证。

Combing the SCM hardware resources with the software process,the system design completes the control functions such as digital impulse spring,digital logical switch and digital feedback,achieves a reversible adjustable-speed regulating control of DC electromotor,and improves the precision and control capability of reversible adjustable-speed regulating system.

利用单片机的硬件资源与软件程序相结合，完成数字脉冲触发、数字逻辑切换及数字反馈等方面的控制功能，实现对直流电动机的可逆调速控制，提高可逆调速系统的精度和控制性能。

The experiment and the research indicate that:(1) Through the Hot-Continuous-Rolling production technics under small reduction ratio of 4.04 and 5.08, the rectangular continuous-casting billet of 235×265mm can be used to produce big size steel stick of Φ140mm and Φ 125mm whose macrostructure and mechanical properties meet the standards, this technics is viable;(2) This rolling technics can make the deformation penetrate to the center of the billet by low temperture and low velocity and big roller diameter and large reduction quantity at every pass and optimum design and arrangement of rollers, which is the key of Hot-Continuous-Rolling technics under small reduction ratio;(3) The sending technics used in Xining Special Steel Co.,Ltd can not use waste-heat of billet adequately, but the sensitive temperature section of A1N or sulphides or inclusions separating out is avoided, creating a favorablecondition for insuring good surface quality of final rolled steel;(4) The Hot-Continuous-Rolling technics under small reduction ratio has a close relationship with the billet quality control and the hot sending process control and the cooling control after rolling.

通过实验研究表明：(1) 235×265mm矩形连铸坯分别采用4.04和5.08的小压缩比热连轧生产工艺，所生产的Φ140mm和Φ125mm的大规格棒材，其低倍组织和机械性能均符合标准要求，该工艺是可行的；(2)本实验所采取的低温低速、大辊径大道次压下量轧制工艺加上轧辊孔型的优化设计与配置，可以使加工变形渗透到铸坯的中心，这一点是实现小压缩比热连轧生产工艺的关键；(3)西宁特钢在红送过程中虽然铸坯余热未能得到充分的利用，但是有效地避开了A1N、硫化物的析出及夹杂物偏析的敏感温度区，为保证最终轧材良好的表面质量创造了有利的条件；(4)小压缩比热连轧生产与铸坯质量控制，热送过程控制以及轧后冷却控制密不可分。

The simulation system used the serial-communication of industrial-control machine and converter for the remote control of the trial process, real-time control of the opening angle and running speed of the gate, and, moreover, adopts adjusting instantaneous water quantity in and out of the model to achieve a more accurate simulation of tidal waves.

该模拟系统利用工控机与变频器间串口通讯，对试验过程远程控制，实时控制尾门的开启角度及运转速度，调节模型瞬时进出水量，达到准确模拟潮汐波的目的。

TYRONE C.M Co. is well-known for its creativity and premium quality all over the world, with dominant prestige in automation machine tool and control valves field in Europe. It has advocated and greatly pushed the technology development and adoption process of machine valves control intellectualization and has kept its leading position in the European G.M. market with sales among the highest. TYRONE C.M brought its advanced control valve products to China, offering new and better choices to the Chinese customers.

英国蒂龙通用机械公司以创新精神和超群品质享誉全球，在欧洲通用机械及控制阀门领域，蒂龙通用更是独占鳌头，是机械阀门控制智能化的倡导者和技术的积极推动者，并在欧洲通用机械市场始终保持领先地位，其销售额位居世界前列。2005年，蒂龙通用将欧洲先进的控制阀门引入中国，力求为中国消费者带来更新更好的选择。

Through the design of the circuit of the hardware and the process of the software, the control system outputs control signals which drive the different executing units to perform the relevant motion after the system has disposed and calculated the inputting signals and feedback signals. Then the control of the air circumstance in coach can be realized and the comfortable demand of people is fully satisfied.

通过硬件电路的设计和软件流程的设计，控制系统能够将各种输入信号、反馈信号进行处理、运算，从而输出控制信号，驱动不同的执行机构进行相应的动作，实现对客车车内的空气质量进行控制，满足人们的舒适性的要求。

Was researched. The work module of rudder was discussed and studied by simulation in side jet and aerodynamic compound control manner, the effect on guidance accuracy by control cycle of attitude control engine and action cycle of control loop was simulated.

重点对采用燃气动力／气动力复合控制方式中舵系统的工作模式进行了探讨及仿真研究，对姿控发动机控制周期及控制回路工作周期对制导精度的影响进行了初步仿真研究。

In this paper, the theory studies, digital simulation and microcomputer control experiments to a robot have proved that the AFDC system of robot has signally effective intelligent dynamic control functions and makes robot to have excellent dynamic response performances and motion accurary by measuring only input and output of the robot, and that the system structure and control algorithm is more simple, reliable, and more easy to be used on common microcomputer then another high-level dynamic control systems of robot.

文章在理论研究、仿真控制和机器人的微机控制试验方面的研究工作表明，文中提出的机器人自适应模糊动态控制系统既具有显著有效的智能动态控制功能。能在仅测量输入-输出信息条件下，保持机器人取得优秀的响应性能和运动精度；又在结构和算法上比一般的高级机器人动态控制系统更简洁、可靠和易于在普通微机上实时在线实现。

According to evaluation of the thermal, hydraulic, environmental and mechanic characteristics and energy performance of building and VAV air-conditioning system, and evaluation of the control performance of local control loops using the simulator of VAV system, this paper presents five on-line supervisory control strategies for local control loops: on-line optimization of VAV supply air static pressure set-point, on-line optimization of AHU supply air temperature set-point, on-line optimization of on/off set of CAV sub-system, on-line optimization of outdoor air set-point and on-line optimization of chilled water secondary pump pressure set-point.

通过数字仿真器对建筑物及其变风量空调系统的热力、动力、环境和能耗等运行特性的模拟，以及对系统常规采用的下位机控制回路可控性和稳定性等控制特性的研究和分析，本文先从局部的角度开展了系统局部优化的研究。提出并在仿真器上分别实施了VAV送风静压设定的实时优化，AHU送风温度设定的实时优化，CAV子系统开／停的实时优化，新风量设定的实时优化以及二级泵冷媒水供水压差设定的实时优化。

"The operators will suffer a temporary decrease in the number of consumers and short message services as people may not like having to provide their ID cards for a phone number," Xu Junqi, vice-dean with the Policy-Making Institute of the Telecommunications Research Centre under MII, said yesterday.

信息产业部下属的通信决策研究院副主任徐俊其昨天说：&实行手机实名制后，人们可能不太情愿用身份证注册手机号，所以通信运营商会暂时面临用户减少和短信用户减少的问题。&

I don't believe in make-believe!

我不相信这些虚构的故事。