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。
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；
In analog computer, an arithmetic unit constructed by a servo system.
在模拟计算机中，一种由伺服系统构成的运算部件。
A servo drive unit of hinge pull roll relates to machinery for printing industry.
折页牵引辊伺服驱动装置，涉及印刷机械。
The hardware of the system is composed of Q-series PLC, graphic operation terminal F970GOT, intelligent positioning module QD75M4, and AC servo drive unit from Mitsubishi.
系统硬件采用三菱公司Q系列plc、图示操作终端F970GOT、智能定位模块QD 75 M4及交流伺服驱动单元。
The whole sets nc machine tools of lower prices generally choose the stepping driving unit and the price higher machine tool selection servo drive unit.
整台数控机床价格较低的一般选择步进驱动单元，而价格较高的机床选择伺服驱动单元。
DC servo system is the drive unit of vibration stimulation system. As the core of servo system, undoubtedly controller plays an important role to the whole system performance.
双电机同步直流伺服系统是颤振激励系统的驱动单元，控制器作为伺服系统的核心，对整个系统性能的优劣起着非常重要的作用。
Double motors DC servo system is the drive unit of flutter exciter system. As the core of servo system, controller plays an important role to the whole system performance.
双电机直流同步伺服系统是颤振激励系统的驱动单元，控制器作为伺服系统的核心，对整个系统性能的优劣起着非常重要的作用。
The unit of clock servo plays important roles in the PTP system.
时间伺服器在PTP系统中扮演重要的角色。
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；
This paper introduces the use of the linear motor in high speed servo feed unit directly and analyzes the characteristic.
介绍了直线电动机在高速机床伺服进给中的应用，分析了直线电动机用于进给驱动的特点。
Hydraulic position servo system of the precise straightening machine is the executive body and is the key unit to decide the processing precision of the workpiece.
精校机液压位置伺服系统是精校机的执行环节，是决定工件加工精度的关键部分。
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。
By analyzing the basic principle and mathematics model of an electro-hydraulic servo unit for ship rudder, this paper designs a single neuron adaptive PID controller.
在分析了船用舵机电液伺服单元的基本原理和数学模型的基础上，设计了单神经元自适应PID控制器。
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。
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。
The electro-hydraulic servo unit which the system used, is the digital electro-hydraulic servo unit, the servo amplifier is embedded in the electro-hydraulic servo valve;
系统的电液伺服装置为数字式电液伺服装置，其中，伺服放大器嵌入在电液伺服阀中；
The electro hydraulic servo loading system of pumping unit is a kind of position disturbance servo loading system, and there are nonlinear uncertain factors and position disturbance in it.
抽油机电液伺服加载系统是一种位置扰动型的施力系统，存在着非线性、不确定因素及由于位置扰动引起的多余力，传统的控制方法不能达到理想的效果。
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。
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。
The model of voice coil motor and optical pickup unit are analyzed, the model parameters are tested, the model of DVD focus servo system is built and the simulation is carried out.
分析了DVD聚焦伺服系统中音圈电机和光头拾取器的数学模型，通过实验测定其模型参数，完成了DVD聚焦伺服系统的建模，并进行了仿真。
Based on this principle, a rapid servo nc unit is designed for B2116 heavy duty gantry type planing - milling -grinding machine. This paper introduces its principle and main technical problems.
本文介绍了用于B2116大型龙门刨铣磨床的快速随动数控单元，阐述了其工作原理及主要技术问题。
Two yaw damper servo-actuators are installed between the artificial feel and trim unit and the travel limitation unit.
在人工感觉和配平组件与行程限制组件之间，安装有两部偏航阻尼伺服作动筒。
Two yaw damper servo-actuators are installed between the artificial feel and trim unit and the travel limitation unit.
在人工感觉和配平组件与行程限制组件之间，安装有两部偏航阻尼伺服作动筒。
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