查询词典 control

This paper also analyzes control problem in cartesian space and presents several improved indirect methods , to counter kinematic uncertainty ect.. Then, a sliding mode control and an adaptive control are proposed as direct cartesian space control scheme. All of them has been extended to redundant manipulator.

本文研究了机械手工作空间控制问题，提出了考虑具有不确定运动学参数等多种改进的分解运动控制方案，它是机械手控制的间接方法，进一步本文又提出了滑动模及自适应两种分别考虑运动学及动力学不确定性的工作坐标直接控制方案，它们均被推广至具有冗余自由度的机器人控制中。

Firstly, oscilloscope control system based on GPIB technique is presented with friendly operation environment to the HIFU system, and it uses multithreading technique in programming to realize real-time recording and display of the signal; Secondly, temperature collection and data recording system is designed, which also could get real-time recording and display of the 16 channel temperature signal, and it's believed to be of great use for further experiments of the HIFU system; Thirdly, multiple ultrasonic phased array's phase shifter is designed,which could provide 8-bit phase control in a range of frequency where the centrical frequency is 1MHZ. Fourthly, the module of serial communication is realized to insure the communication between devices and computer, including both synchronous and asynchronous communication, which enables the system to transfer data reliably and stably; Finally, the module of digital quantity control is accomplished, which provide for upper application the consistent solution to the control of exterior devices via digital interface. It can get or set the devices state using interrupt mode to receive input signal or send output signal.

主要有以下几个方面：设计了基于GPIB的示波器控制系统，给课题的研究工作提供了一个良好的环境，它采用了多线程编程的方法，能够较好的实时显示当前波形并记录数据；设计了温度采集和数据记录系统，能够对16路温度信号进行并行同步的实时采集，用于HIFU剂量学研究中温度场检测和医疗评价；设计了相控阵相位延时电路并且通过调试，满足了课题的相位控制的要求，在中心频率为1MHZ左右的频率范围内都能够达到8-bit相位控制；实现了串口通讯模块，为各项设备与计算机之间的通讯提供保证，它提供同步和异步的通讯能力，使系统能够可靠稳定的传输数据；建立了数字量控制模块，为上层应用程序提供一致的方法使用数字接口控制外部仪器，它使用中断的方式来接收输入或输出设定的开关量信号，从而得到或设定各种仪器的状态。

This design is the engineering of the instrumentation system to the reactor in PX Plant in which there are 4 single loop control, 2 cascade control and all the controllers and control valves are selected and calculated carefully to the system, the CENTUM control system will be used .

本设计对PX装置异构化单元反应器进行自动控制系统设计，其中共设计单回路系统4个，串级控制系统2个，并对控制系统所涉及到的控制器，控制阀等进行了选择且进行了相关的计算。

It is therefore proposed that(1)the Ministry of Agriculture and provincial government's administration over the codling moth control's work be reinforced;(2)capital input for the control of the codling moth be increased;(3)more active measures for interception and control the pest be implemented;(4)further studies and application of scientific techniques to improve the control be conducted.

建议从4个方面加强今后的疫情防控工作：一是加强部省行政领导；二是加大各级对疫情防控的资金投入；三是强化疫情阻截和防控措施；四是进一步开展防控技术研究，提高检疫控制的效果。

To make the engineering machine economize on energy efficiently will spread to move system to carry on a control towards launching machine and, reasonable allotment power, make it be placed in the best work condition;For easing a pilot to labor strength and improvement to manipulate function, need to adopt an automatic control, carry out an engineering machine automation;To complete the homework of high technical ability need intelligence to turn;For the sake of exaltation safety, demand safety control, carry on circulating appearance surveillance, the breakdown reports to the police automatically;Because the construction realm expands, in order not to the personnel arrive can't and not come-at-able place and the very bad place of the homework environment go to homework, need to be adopted long-distance leave remote control and no man to drive a technique.

要使工程机械高效节能，就要对发动机和传动系统进行控制，合理分配功率，使其处于最佳工况；为了减轻驾驶员劳动强度和改善操纵性能，需要采用自动控制，实现工程机械自动化；要完成高技能的作业，就需要智能化；为了提高安全性，需要安全控制，进行运行状态监视，故障自动报警；随着建设领域的扩展，为了避免人员到达无法及不易接近的场所及作业环境十分恶劣的地方去作业，需要采用远距离遥控和无人驾驶技术。

Research: In order to actualize the monitoring of logistics flow , gather and transmit data in all levels in hierarchical control system, the paper conducts the research on Hybrid Simulation of Production Logistics Equipment based on the Configurational Industry Control Network, especially on the control principle and control structure of modern production logistics system as well as the management software and arithmetic of Automatic Warehouse .

研究篇：重点研究现代生产物流系统的控制原理、控制结构及管理方法、自动化立体仓库的管理软件及算法；围绕物流流程的监控管理，研究数据的采集、传送、处理及分层控制系统中的通信模式

Along with the electrical machinery control special-purpose DSP appearance and the control theory universal development, caused the contravariant power source the control technology to face the entire digitized, the intellectualized direction is developing, inverts the power source numerical control technology to have a big leap.

随着电机控制专用DSP的出现和控制理论的普遍发展，使得逆变电源的控制技术朝着全数字化、智能化的方向发展，逆变电源的数字控制技术发生了一次大的飞跃。

The third it adopts a chip control to replace original electricity control form raising control accuracy and reduce the reaction to time and reduce covering space etc. And visual number control procedure code and emulation to process which can discover the error of procedure in advance.

第三，采用芯片控制代替原有的电气控制形式，达到提高控制精度、减小响应时间和减小占地空间等目的，并且可视化的数控代码编程和模仿加工过程，可以提前发现程序的纰漏。

By phase optimization design on arterial road coordinate control system, a new offset model for arterial road coordinate control was established. Authors considered all the factors, such as road average speed, traffic flow dispersion, turning traffic flow from crossway and asymmetry of vehicles arrival distribution in the model which greatly influenced the control effect of arterial road coordinate control scheme.

通过对协调控制系统进行相位优化设计，综合考虑各路段的平均车速、车流的离散性、相交道路的转弯车流以及车辆到达的不均匀性等各种影响干道协调控制方案实施效果的主要因素后，建立了一种新的干道协调控制相位差模型。

Basing on the speed control and reversing control in hardware control circuit, software control program realized the rectilinear motion and simple curvilinear motion of an omni-directional mobile robot.

软件控制程序在硬件控制电路实现的调速控制和换向控制的基础上，通过编程实现全向轮驱动小车的直线运动和简单的曲线运动。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。