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Motion synchronization between tool in X direction and principal axis rotation was controlled by electronic gearbox in cam turning. And profiling mechanism could be superseded by servo tool-holder. Linear motor direct drive servo tool-holder was designed, and host-slave control system with PC and DSP was developed for the require of high-speed and realtime servo. The technical process was analyzed in cam turning. Servo tool holder with tool swinging and principal axis variable rotate speed were presented to keep constant cutting angle and speed.

将电子齿轮箱用于凸轮车削加工系统的传动,以伺服刀架取代了传统加工的靠模装置,实现了刀具X方向直线运动与机床主轴转动的同步控制;设计了直线电机直接驱动的伺服刀架及基于PC与DSP构成的上—下位机控制结构,采用DSP进行实时控制以满足高速伺服需要;对凸轮加工过程的工艺特点与恒角度、恒速度车削进行研究,提出了具有刀具摆动功能的伺服刀架与机床主轴变转速运动方案。

The distributed optimized algorithm of task allocation and the proportional control were applied to the tri-level supply chain system, and proposed the control strategy of material flow.

6针对三层结构的供应链系统,应用MAS中的子任务分配优化算法以及反馈控制中的比例控制方法,对该系统的物流过程给出控制策略。

By the combined use of a prediction control and PID controller in the control of a reheat steam temperature system.

对混沌优化理论在控制过程中的应用进行了研究:将预测控制和PID控制器结合运用于再热汽温系统的控制当中,并采用神经网络作为系统预测模型,通过混沌优化算法对PID参数实行在线优化。

In the course of the report, the news editors adopt the method of feedback more often to control the reporting activity, i.e. use the feedback information at every proceeding point to control the next stage of the report.

在报道进程中,新闻编辑通常更多地采用反馈控制方法来控制报道活动,即通过报道进展过程中每一个点上的信息反馈来控制报道的下一段进程。

A new switching scheme to the gain of variable structure control signals is proposed. The following important open problems in standard VS-MRAC and MRAC are solved by using the scheme: 1 . a prespecified transient and steady-state performance index for tracking error can be achieved without requiring any information about the plant high frequency gain sign when relative degree of modelled part of plant is one, and 2 . it is shown that as long as the performance indexes are guaranteed for the auxiliary errors, each of which in dynamics is a sub-system with relative degree one, the tracing error will converge to a small residual set in a prespecified transient time when relative degree of modelled part of plant is greater than one.

提出了一种控制增益可切换的变结构自适应律,解决了如下变结构模型参考自适应控制(包括基于调参律的模型参考自适应控制)理论研究中长期没有解决的问题:当对象建模部分相对阶为1、高频增益符号未知且存在非线性输入扰动和未建模动态等情况下,系统跟踪误差可满足预先给定的动态和稳态性能指标;当对象建模部分相对阶大于1且存在非线性输入扰动和未建模动态时,可保证系统跟踪误差在预先给定的过渡过程时间内收敛到一个残差集中; 5。

This paper introduces the principle of electromotor based on single chip computer 8051PWM,and the realization process of reversible control and non- reversible control .

介绍了基于单片机8051PWM控制的电动机原理,阐述了8051与直流电动机构成的电机可逆控制和不可逆控制的实现过程。

At the last,it gives the design and realization of the fuzzy control circuits in electric rice cooker .

介绍了模糊控制的基本原理,分析了煮饭的工艺过程及对模糊控制的要求,提出了电饭煲模糊控制的电路设计与实现方

Aiming at realizing the automation of slabs signing, using PC, motion control card and position servo, the control system for scriber unit in hot spray marking was designed. The hardware constitution, realizing principle and control process were introduced.

为实现热板坯标识过程的自动化,采用"PC+运动控制板卡+位置伺服系统"设计了热板坯喷印机二维写字机构的控制系统,介绍了系统的硬件结构、实现原理及控制流程。

Also, for improving the disadvantages of the original algorithm, the self-searching PID control algorithm is developed based on the PC.

针对试验试凑法控制参数寻找困难、过程繁琐、开发周期长等缺点,本文开发了PID控制参数自搜索算法,初步实现了控制参数自主搜索的功能。

According to a survey of HDD development and its current situation at home, a new kind of equipment for hydrodynamic deep drawing has been developed, which was constructed on the basis of a conventional single-action press with general hydrodynamic deep drawing die sets.

在对充液拉深技术的发展和国内具体情况调查的基础上,研制了基于通用单动液压机的通用充液拉深模架型式的充液拉深装备,整个装备由模架、液压控制系统和计算机自动控制系统等三部分组成,实现了充液拉深成形过程的液室压力和压边力的实时控制。

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推荐网络例句

However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口,替代木托盘,免薰蒸,符合欧盟、北美各国对出口货物包装材料的法令要求;喷涂钢托盘适用于重载上货架之用,托盘表面根据需要制作成平板状、波纹状及间隔形式,满足不同的使用要求。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。