控制部件

Technical Product differentiation includes structural design, introduction of new technology, new process improvement, quality control of component parts selection, whole system to match composite indicator, which is the basis of competition in an invincible position.

技术产品差异，包括结构设计，新技术，引进新的工艺改进，质量控制部件的选择，以配合整个系统的综合指标，这是在竞争中立于不败之地的基础。

All the main logic CPU/memory/control units are there (looks like 4 of them).

所有的主要逻辑CPU，存贮及控制部件都在这里，。

The research collectively utilized some modern control devices, such as PLC, frequency conversion device, sensor, and their program control method, all of these are of some reference value to the study of relative control system.

本论文综合运用了可编程控制器、变频器、传感器等现代工业控制常用的控制部件及其相关程序设计方法。所做的研究对同类系统的研究和开发具有一定的参考价值。

This design integrates some modem control devices, such as industrial control computer, PLC, frequency conversion device. All of these are of some reference value to the design of relative machines and industrial control systems.

本设计中综合运用了工控机、可编程控制器、变频器等现代控制部件，所做的研究和开发工作对同类设备以及一般的工业控制都有参考价值。

Hardware subsystem specifications: machine word length is16 bits, 64 instructions, arithmetic unit consists of bit-slice IC chips, control unit uses microprogram ming scheme and supports dynamic microprogram ming.

运算器部件选用位片结构器件实现，控制部件采用微程序方案，支持动态微程序设计。

CONSTITUTION: The button-sewing machine comprises: a fixing means for fixing a button and an article being sewn; a moving means for moving the fixing means to stitch 缝制 the button to the article being sewn with seams of a specified sewing pattern; a fixed blade; a moving blade for drawing a thread and then moving to cut the thread by the cooperation with the fixed blade; and a button, wherein the machine has a control means for controlling a fabric transferring means to move the button to a preset position before cutting the thread.

原理：钉扣机包括，一个固定部件，用来固定按钮和一个缝纫零件；一个移动零件，用来移动固定部件来把纽扣缝制在部件上，绘上一个特别的缝纫图案；一个固定刀片；一个移动刀片用拖出线，然后通过与固定刀片的联合切断线；最后一个按纽，就是机器的一个控制部件，用来控制一个纤维转变方法用来移动按纽，在切线之前，提前找好位置。

This paper sets up the simulator of VAV air-conditioning system using TRNSYS as the platform. The simulator simulates the dynamic performance of the VAV air-conditioning system (including air sub-system and water sub-system) including its local control loops and building. The parameters of airside of VAV system are obtained by experiment in real building system.

本文首先从变风量空调系统中各空调设备和控制部件的仿真入手，以TRNSYS作为软件平台，通过实验的方法获取风侧必要的参数，从而建立起可以模拟变风量空调系统及其常规下位机控制回路运行和控制特性的数字仿真器。

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。

Switching of the time constant is performed by a selector switch according to a control signal from a demodulation control unit.

时间常数的切换由切换开关15根据解调控制部件16的控制信号完成。

High-speed, muti-services and economy have become the major issues of the futUreIP backbone technology As far as thes poiflt is concerned, thes paPer explores layer 3switdrig technology Which seParates control comPonent and fOrward comPontal in thetraditional roulers. TWo forwarding al gori thms ----d ata-driven mo d el and top olo gy drivenmodel are also comPared, a next generation IP backbone echno l o gy---- Multiproto co lLabel Switching is developed, with its operation and its dePloyInent in traffic engineering,c1ass-ofservce and virtual private network.

本文从未来IP骨干网技术所要求的高速化、多业务支持、经济性出发，介绍了在传统路由器基础上将控制部件和转发部件分离的第三层交换技术，比较了数据驱动模型和控制驱动模型两种转发算法，并由此引出下一代IP骨干网络技术——多协议标记交换，阐述了其工作原理以及在流量工程、服务等级区分和虚拟专用网中的应用。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。