查询词典 process control

If using digital locator precision by increasing the control valves to improve valve control performance, successful applications have if ND800 digital positioner for rotary control valves, we can make a variable range of process parameters increased by 50%, and then with the the characteristics of control valve valve positioner of the electronic properties of the match to further improve the control performance.

如采用数字定位器通过提高控制阀的精度来提高阀门的控制性能，成功的应用有如果将ND800数字定位器用于旋转控制阀，就能够使工艺参数的可变范围提高50％，再通过与控制阀的特性阀门定位器的电子特性的匹配来进一步提高控制的性能。

In the software aspect of 3DP control system, include solid model stratified slicing module, 2D slice data processing module, ink-jet control module, motion control module, etc. Slice module is based on the color STL model output from Magics RP software, its output synusia data is TIFF、JPG、BMP format of CMYK color images. 2D slice data processing module use RIP and dithering algorithm to process 2D color images, thereby achieve the color image information correspond with each micro-nozzle. Ink-jet control module's function is to control each nozzle's on/of.

其中实体模型分层切片模块是基于Magics RP软件输出的彩色STL模型进行的，其输出层片数据为TIFF、JPG、BMP的CMYK格式的彩色图像；二维切片数据处理模块通过RIP算法和抖动算法对一系列二维彩色图像进行数据解析，从而实现图像的色彩信息与每个微细喷嘴的一一对应；喷墨控制模块的功能是控制每个微细喷嘴的喷射与关闭；运动控制模块则负责所有加工成型运动的协调运行。

Stability, robustness and oscillation of differenct uncertain time-delay systems are analyzed. Synthetical time-delay control schemes are proposed, including robust stabilizing control, variable structure control, robust dissipative control and so on. Industrial time-delay system model are established based on the theorematic results and industrial requirements. Pratical control algorithms and APC-software are developed and applied to practical process successfully.

在国家自然科学基金资助下，本项目对各类不确定时滞系统的稳定性分析、振动性质分析、鲁棒镇定控制器设计等问题进行了全面的理论分析，并结合流程工业生产过程的特点和企业需求，建立工业过程时滞系统模型，开发实用型的控制算法和先进控制软件，在一些典型的工业生产过程进行了成功的应用，取得了显著的经济效益和社会效益。

The numerical control technology is carries on the control with the numerical information to the mechanical movement and the work process the technology, the numerical control equipment is take the numerical control technology as representative's new technology the integration of machinery product which forms to the traditional manufacture industry and the emerging manufacturing industry seepage, namely so-called digitized equipment, its technical scope cover very many domains:(1) machine manufacture technology;(2) information processing, processing, transmission technology;(3) automatic control technology;(4) servo actuates the technology;(5) sensor technology;(6) software technology and so on.

数控技术是用数字信息对机械运动和工作过程进行控制的技术，数控装备是以数控技术为代表的新技术对传统制造产业和新兴制造业的渗透形成的机电一体化产品，即所谓的数字化装备，其技术范围覆盖很多领域：(1)机械制造技术；(2)信息处理、加工、传输技术；(3)自动控制技术；(4)伺服驱动技术；(5)传感器技术；(6)软件技术等。

In organization level, design activity fragmentizing strategy and negotiation mechanism are applied to schedule the collaborative design process. To present the uncertainty in design, resource sharing, message passing and real-timed interaction between programs, the integrated control Petri net is adopted to model and simulate the collaborative level. Control level is realized by workflow model, which control the tasks in collaborative design by means of user management, access control and task control rules.

本文通过细化设计活动策略和协商机制，实现了组织级的协同设计过程规划；针对常用的有色Petri网方法不能解决实际系统运行中出现的不确定性、资源共享、信息传递和外部程序的实时交互等问题，通过对有色Petri网的扩充，提出了采用集控Petri网方法，用于协调级的建模和仿真；采用工作流模型为控制级实现，从用户管理、访问控制模型、协同任务控制规则三个方面实现协同设计过程的任务流控制。

Based on solidification theory and analysis of process of Aluminum alloy Direct Chill casting, the control system of DC casting for big size billet has been designed. For improving the quality of billet-optimized control strategy of cooling water must be determined to eliminate the instability of the traditional feedforward control, PID control and cascade control have been introduced.

通过对铝合金DC铸造工艺过程的分析，建立了铝合金DC铸造的控制系统；在分析DC铸造铸锭结晶凝固原理的基础上，完成了冷却水量自动控制的系统设计，并进行了控制策略的选择；基于对铝合金直接水冷铸造，DC凝固原理和工艺过程的分析，本文提出了大尺寸铝合金圆锭铸造的控制系统设计方案。

With development of the industrial control system,programmable logic controller is widely used in dividing shear of Baosteel Heavy Plate Mill,especially in the fields of the main motor control of dividing shear ,collection and analysis of PDA data,control of pinch rolls, adjustment control of knife gaps,shearing process control,etc.

随着工业控制系统的不断发展，可编程控制器在宝钢分公司厚板厂定尺剪系统中得到了全新的应用，尤其在定尺剪的主电机控制、PDA数据采集和分析、夹送辊控制、剪刃间隙调整控制、剪切过程控制等方面得到了应用。

After the graduation, once in the LG electron, the Sumitomo heavy machinery, sew companies and so on equipment transmission, Kenner metal worked, six year numerical control processing and programming's work experience, to the numerical control vehicle, outside the machining center, the numerical control the garden rubs, the numerical control five axes to rub has the rich experience, to cutting tool's and so on drill bit, milling cutter production process flows and the programming has the senior experience, the numerical control technician title.

毕业后曾在LG电子、住友重机械、sew设备传动、肯纳金属等公司工作，六年数控加工及程序编制的工作经验，对数控车、加工中心、数控外园磨、数控五轴磨有丰富的经验，对钻头、铣刀等刀具的制作工艺流程及程序编制有资深经验，数控技师职称。

In this paper, a tooth for milling tenon electrical control of the entire process, electrical components will be used to achieve the milling work tenon tooth path of automatic and manual control, selected relay - access control systems to accomplish this purpose, it has the advantage of Line intuitive, are most commonly used electrical appliances, the replacement of convenience, cheaper prices, through repeated experiments and demonstration confirmed by the use of electrical components can accurately on a milling machine tenon teeth effective control of the machine tools to improve the control of a certain value .

本文研究了专用榫齿铣电气控制的全部过程，将利用电气元件来实现对榫齿铣工作路径的自动与手动控制，选用了继电-接触系统来完成这一控制目的，它的优点是线路直观，大部分电器均为常用电器，更换方便，价格较便宜，通过反复的实验与论证结果证实所用电气元件能准确对机床榫齿铣进行有效控制，对机床控制的改进有一定的参考价值。

In order to ensure the construction process safe and the bridge structure would reach its ideal state, lots of questions in its whole construction control and swivel ereetion construction control are discussed and studied.Firstly, based on the experiences about the cable-stayed bridge's construction control, do emulational anlysis to Sui Fenhe cable-stayed bridge by using the bridge analyzing program of BSAS and Dbridge, analyze the parameters' sensitivity, study the temperature effects, discern the relevant parameter's errors about construction control and optimize its construction state.Secondly, as an example of Sui Fenhe cable-stayed bridge's swivel erection construction control, present the design and construction techniques of simple point supporting and even articulation and level swivel erection for long-span cable-stayed bridge, study its load-bearing system, balance system, power system and adjustment system in detail, check its static stability on the state of swivel erection construction and monitor the whole swivel erection construction.

首先，在斜拉桥施工控制经验的基础上，用桥梁结构分析程序BSAS和Dbridge对绥芬河斜拉桥进行了详细的施工仿真分析，参数敏感性分析，温度效应分析，施工控制影响参数误差分析和结构施工状态的最优化控制；其次，以绥芬河斜拉桥转体施工控制为例，介绍了大跨度斜拉桥单点平铰水平转体设计与施工技术，详细研究斜拉桥单点平铰水平转体支承系统、平衡系统、动力系统和调整系统，并对本桥结构转体施工做静力稳定性验算及转体过程的监控。

The dissecting of samples in group2 were difficult. The root of pulmonary artery and ascending aorta failed to be unfolded because fibrous tissue was tough, right and left fibrous trigone were too firm to be solved by hand. Cardiac muscle fibers couldn't be stripped along myofibrillar trajectory since they were prone to break because of their friability.

组2的心脏解剖困难，表现为纤维组织坚韧，游离肺动脉非常困难；徒手无法松解左、右纤维三角，肺动脉和主动脉根部的游离非常困难；心肌纤维坚硬、质脆，解剖时容易断离成碎块，无法沿纤维走行方向剥离。

We have battled against the odds in a province that has become increasingly violent.

我们对在一个争夺日益激烈省的可能性。