查询词典 loop control

With the advantages of higher-efficiency, energy-saving and precise temperature -control, which the ordinary heat pipes don't possess, the Capillary Pumped Loop has numerous potential application in many high tech fields, for example the heat-transfer control on aircraft and the cooling of electronic devices, etc.

毛细抽吸两相流体回路拥有高效、节能、温控精度高等普通热管所不具备的优点，在航天热控和电子器件冷却领域具有广阔应用前景。

A compound control strategy based on three-loop cascade control and improved PID algorithm is proposed in this regard.

为此，提出了一种基于三环串级控制与改进的PID算法相结合的控制策略。

The principle of laser diode digital temperature control system is introduced. Aiming at the characteristics of controlled object, the mathematical model of the system is constructed and analyzed. By adopting the method of dual-closed-loop cascade control system, the structure of system hardware is designed and the implementing measure of software is introduced.

介绍了半导体激光器数字温度控制系统的工作原理，针对被控对象的特点，建立和分析了系统的数学模型，并采用双闭环串级调节系统结构的方法，设计了系统的硬件结构，介绍了软件实现方法。

Two PI adjustors were applied for wire feeding velocity control, one performed motor armature voltage feedback, the other one executed arc voltage feedback to determine the given velocity.3、 Exchanging data of power source and process controller by adapting 20mA current loop by a serial communication interface, which satisfy real time control demand.

该控制器具有焊接参数预置、记忆、锁定、数显以及自动引弧、收弧等功能。 2、焊接电源采用三相半控桥晶闸管整流电路，用不同方法计算偏差进行多变量数字解耦PI调节获得恒流、恒压、陡降和缓降四种输出静特性。

To eliminate the anti-tank missile s deep flight on the right side of sight line,based on analyzing the missile s characteristics in frequency domain and control system parameters,studying the mechanism, non-linear control method was introduced in the modification design for pitch and yaw channels correctors and their parameters of guidance loop in frequency domain.

为了解决某反坦克导弹续航段长时间偏离在瞄准线右侧飞行的问题，从分析导弹的频域特性和制导控制系统参数出发，研究问题发生的机理，引入非线性控制方法，在频域范围内对制导回路的纵向和横向通道校正环节及参数进行改进设计，用数字仿真验证改进的有效性。

To eliminate the anti-tank missile's deep flight on the right side of sight line, based on analyzing the missile's characteristics in frequency domain and control system parameters, studying the mechanism, non-linear control method was introduced in the modification design for pitch and yaw channels' correctors and their parameters of guidance loop in frequency domain.

为了解决某反坦克导弹续航段长时间偏离在瞄准线右侧飞行的问题，从分析导弹的频域特性和制导控制系统参数出发，研究问题发生的机理，引入非城性拉制方法，在频域范围内对制导回路的纵向和横向通道校正环节及参数进行改进设计，用数字仿真验证改进的有效性。

Beginning with the theory of the DC timing system,this article has built up the maths model of the reversible DC-PWM timing system with a dual-converter and dual-closed-loop,Given the details of the system design, software and hardware design, circuit structure and control algorithms using the PI process control proce- dures.

从直流调速系统原理出发，逐步建立了双闭环直流PWM调速系统的数学模型，给出了该系统的详细设计思路、软硬件设计、电路结构和采用PI控制算法的控制程序流程。

Smart new fan system control circuit is divided into the wind and air-conditioning systems control loop.

智能新风机分为风系统控制回路和空调系统控制回路。

In order to achieve good control effect in the research of special electronic power transformer,we employed Park transformation to implement the transfer from the double closed-loop decoupled control of three-phase to four-phase EPT s primary side.

在特种电子电力变压器的研究中，为了达到良好的控制效果，采用Park变换来实现三相变换到四相电子电力变压器高压侧的双闭环解耦控制。

In response to the special requirements of the development program, one of the two off on the open-loop motor VVVF control, with two full-speed fan, that is, the temperature control to meet the requirements of different materials, while saving energy.

针对这一特殊要求制定方案，对其中两台对开电机进行开环变频调速控制，配合两台全速风机，即满足不同材料的温控要求，又能节约电能。

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。