查询词典 automatic control

In light of the characteristics of non-linearity,heavy lag behind,strong coupling, time change, heavy working environmental interference as well as stochastic disturbance and according to the self-adapting control theory the control device with PLC as its core element is used to realize the automatic and accurate control on the lift-up and fall-down of the electrode of electric arc furnace.

针对电弧炉的非线性、大滞后、强耦合、时变、工作环境及随机干扰较强的特点，应用自适应控制理论，采用PLC为核心控制部件，来实现电弧炉电极升降的自动准确地控制。

Key studies PLC the safety control electric circuit, the floor control circuit, the switch gate design, as well as starting switch gate procedure, upward downward procedure, floor control procedure, automatic orientation procedure compilation.

重点研究PLC的安全控制电路、楼层控制电路，开关门电路的设计，以及启动开关门程序、上行下行程序、楼层控制程序、自动定向程序的编写。

Screw on the choice of friction loss, high efficiency, high precision, long life of the ball screw, the electrical selected stepper motor, motor and the ball screw with gear deceleration.The main to modify the lathe is to modify the portrait, horizontal enter to the system in the Whole modification process and choose the automatic knife rest and be processed the thread need by pulser. The whole control system with the CPU of JKW-15T is to control the machine for center, through a plait distance drive tool machine an equipments to carry on control to attain need of process degree.

整个改造过程主要对车床纵、横向进给系统进行改造，丝杠选用摩擦损失小，效率高，精度高，寿命长的滚珠丝杠，电机选用步进电机，电动机与滚珠丝杠用齿轮减速；刀架改造成能自动换刀的回转刀架，由脉冲发生器来加工所需要的螺纹；整个控制系统以JKW-15T型号的单片机为中心，通过编程对机床的驱动设备进行控制以达到所需要的加工程度。

The Automatic Control Valves ABS is ABS for short, which is based on the conventional brake system security technologies to enhance improved by controlling the brake hydraulic flaps to achieve control of the wheel locking, the braking process , only when the wheels tend to be controlled when locking, ABS will tend to locking of the wheels anti-lock brake pressure regulation; in the control wheel was not tended to locking, the braking Butterfly Valves process and the conventional system exactly the same dynamic system, the braking process, its work process is actually locking - release - Locking - release cycle of the working process, the vehicle is always in the critical state of locking of the roll gap.

而ABS是制动防抱死系统的简称，它是在常规制动装置基础上的加强改进的安全技术，通过控制刹车油压的收放，来达到对车轮抱死的控制，在制动过程中，只有当被控制车轮趋于抱死时，ABS才会对趋于抱死车轮的制动压力进行防抱死调节；在被控制车轮还没有趋于抱死时，制动过程与常规制动系统的制动过程完全相同，其工作过程实际上是抱死—松开—抱死—松开的循环工作过程，使车辆始终处于临界抱死的间隙滚动状态。

The component,feature,mode of operation,parameters of main equipment and maintenance of INERGEN system——the automatic fire control system are introduced and some suggestions on its maintenance are put forward in the paper.The estabilshment of this fire control system can protect effectively the control room,communication room,UPS room of whole pipeline and that of pressure-reducing station.

介绍了库鄯输油管道采用的INERGEN气体自动灭火系统的组成、特点、工艺及操作、主要设备参数以及测试方法等，并对该系统的维护及保养提出了几点建议，该系统的建立可有效地保护库鄯输油管道首末站的站控室、通信机房、UPS间及减压站的柴油发电机房、配电室、站控室、通信机房及UPS间等。

Its typical temperature for bacterial killing is 85-138℃.which adopts automatic control system and of which the control units are famous brand products including PLC procedure controller and project control screen, vapor decompression valve、 adjusting valve、 diffluence valve、 regulator valve、 material valve and clearing pumps.

采用全自动控制系统，控制元件均采用名牌产品，包括PLC程控器及工控屏、蒸汽减压阀、调节阀、分流阀、物料泵及热水泵。

The 709th institute has applied the high-tech in the national economic constructions in time, making the development for civil products in full vitality. The body of the civil product industry supported by these pillars, i.e. the computer, the automatic control, the electromechanics, the network and software, the PCB manufacture, has been initially formed. The products developed by us, such as the electronic control system for the high-speed tobacco rolling machine, the computer supervision control system for the shiplift, the power electronic products, the PCBs and so on, have contributed greatly to the national economic developments.

七○九所及时将高新技术应用于国民经济建设中，使民品开发呈现出勃勃生机，已形成了以计算机、自动控制、机电一体化、网络与软件、电路板制造等为主体的民品产业，研制的高速卷烟机电子控制系统、升船机计算机监控系统、功率电子产品、印制电路板等产品以及承接完成的众多现场工程管理信息系统和Internet/Intranet网络工程，为国民经济的发展作出了积极贡献。

T he 709th institute has applied the high-tech in the national economic constructions in time, making the development for civil products in full vitality. The body of the civil product industry supported by these pillars, i.e. the computer, the automatic control, the electromechanics, the network and software, the PCB manufacture, has been initially formed. The products developed by us, such as the electronic control system for the high-speed tobacco rolling machine, the computer supervision control system for the shiplift, the power electronic products, the PCBs and so on, have contributed greatly to the national economic developments.

七○九所及时将高新技术应用于国民经济建设中，使民品开发呈现出勃勃生机，已形成了以计算机、自动控制、机电一体化、网络与软件、电路板制造等为主体的民品产业，研制的高速卷烟机电子控制系统、升船机计算机监控系统、功率电子产品、印制电路板等产品以及承接完成的众多现场工程管理信息系统和 Internet/Intranet 网络工程，为国民经济的发展作出了积极贡献。

The article shows a new kind of power controller of micro-satellite. The controller is composed of charge control. Discharge control, shunt control and the equilibration circuit. The output voltage is stabilized by an automatic circuit controlled by the PWM signal, which is produced by comparing the sampling value of the output voltage with the reference voltage. The application indicates that the system which insured the safety property of Li-ion battery series runs stably as well as satisfied the need of the load no matter in what situation.

在我国航天用锂离子电池组控制电路研究相对落后的背景下，设计一了种新型的微小卫星电源控制器；该电源控制器包括充电、放电、分流和均衡保护部分，充电、放电、分流部分通过将母线电压的采样值与预设参考值比较产生PWM信号对制电路进行自动调节，均衡通过采样和处理器计算比较实现；实验结果表明，该控制器工作稳定，确保了锂离子电池组工作安全的同时，很好地满足了各种情况下母线负载的需求。

Of modern information technology to the enterprise's internal control has given new meaning, financial accounting control to manual control by the common man-machine control, such as password control, data encryption, the functions of authority, access, operation log management.

现代信息技术给企业的内部控制赋予了新的内涵，财务会计控制也由人工控制变为人机共同控制，如口令控制、数据加密、职能权限、访问权限、操作日志管理等。

Now he worked in ajoint venture.

现在他在一家合资企业工作。

More troops in Afghanistan won't change any of the foregoing.

更多的在阿富汗的军队也不会改变之前的状况。