In the previous studies, Central oscillation, asymmetry of left and right movement and insufficient precise and speed of response are the main problems of electro-hydraulic servo control unit.
在以往的研究过程中，主要发现电液伺服控制单元在零位时存在振动，左右行程不对称，精度和快速性达不到使用要求的问题。
Along with the gradual improvement of the servo control technology, the servo drive unit is gradually becoming the main force of the drive unit, servo drive unit price also gradually to reduce.
随着伺服控制技术的逐步提高，目前伺服驱动单元正逐步成为驱动单元的主力军，伺服驱动单元的价格也在逐步减低。
Along with the gradual improvement of the servo control technology, the servo drive unit is gradually becoming the main drive unit, servo drive unit price also gradually to reduce.
随着伺服控制技术的逐步提高，目前伺服驱动单元正逐步成为驱动单元的主力军，伺服驱动单元的价格也在逐步减低。
The control system of the manipulator consists of servo motor control unit, motion control unit and top management unit.
机械臂的系统控制硬件主要包括伺服电机系统﹑控制单元﹑运动控制单元﹑上层管理单元。
Main control Unit, two-channel electrometer and servo controller.
主控制器单元，带有两通道静电计和伺服控制器。
This paper puts forward a design of servo motor controller based on AT89LP4052, the design fully utilizes the internal integrated PWM unit in the AT89LP4052 to offer the control signal.
本文提出了以新型单片机at 89lp4052为基础的舵机控制器的设计，该设计充分利用了AT 89lp4052内部集成的PW M单元来提供控制信号。
Aiming at the problems as the nonlinear factors and the position disturbance in the electro-hydraulic servo loading system of pumping unit, the conventional control method cant attain perfect effect.
抽油机电液伺服加载系统存在非线性和位置扰动引起的准确度问题，传统的控制方法不能达到理想的效果。
An improved repetitive control algorithm was developed to improve tracking accuracy for a linear servo unit in a numerical piston lathe.
为了提高非圆数控车削系统中直线伺服单元的跟踪精度，该文提出了一种改进的离散重复控制算法。
This paper introduces the connection of speed servo adjusting unit and the throttle, simplifies the control circuit of the manual throttle and offers two practical methods of speed testing.
介绍伺服调速及油门机构的连接，简化手油门控制电路，给出两种实用的测速方法；
Position control algorithm study of Permanent magnet linear motor servo unit;
永磁直线电机伺服单元位置控制算法的研究；
Control principle of the platform is analyzed, on the basis of which, PCB drawing of interface unit between servo-driver and CNC system is designed.
分析了实验台的控制原理，并以此为基础完成了伺服驱动与数控系统接口单元的PCB原理图设计。
The advanced servo control system used by now was usually consisted by special motion control unit, special high speed communication bus, and special servo drive system.
目前生产中用到的较先进的伺服控制系统通常采用专用的运动控制模块，加上专用的高速通讯总线，再加上专用的伺服驱动系统组成。
The servo system control is a key technology of the CD unit.
伺服系统控制技术是CD光驱的核心关键技术之一。
The function and servo control process of the hydraulic mould oscillating unit are introduced and analyzed.
分析介绍了结晶器振动台振动机构的原理特性及伺服控制液压驱动的过程；
The function and servo control process of the hydraulic mould oscillating unit are introduced and analyzed.
分析介绍了结晶器振动台振动机构的原理特性及伺服控制液压驱动的过程；
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