船舶电站频率的稳定性主要取决于柴油机调速系统的转速响应特性。
The frequency stability of a ship power station is decided by the speed response characteristic of diesel engine speed regulation system.
水轮机调节系统具有非线性和时变性的特性，传统的PID控制器无法获得高性能的调速系统。
With the nonlinear and time variable characteristics of hydraulic turbine regulation system, high qualified speed adjustment system cannot be achieved with the conventional PID controller.
船舶电力系统频率的稳定性主要取决于船舶电站柴油机调速系统的转速响应特性。
The frequency stability of a ship power system is determined by the speed response characteristic of the diesel engine speed regulation system in the ship power station.
通过对回路系统动特性分析，首先建立了节流调速回路的数学模型，在该模型的基础上建立了回路仿真模型。
Through analyzing dynamic characteristics of circuit system, mathematical model of throttling speed control circuit was established, and simulation model of circuit was built up.
理论分析和实验结果证明了这种调速系统的优良特性。
Theory analysis and experiment results prove the good performances of this speed regulating system.
这篇文章研究了具有良好动态特性的水轮机调速系统的伯德图，并将它们分为二类。
This paper studies the Bode-diagrams of a water turbine governor system which has good dynamic properties.
船舶电站频率的稳定性主要取决于柴油机调速系统的转速响应特性。
The frequency stability of a shipboard power station is decided by the speed response characteristics of its diesel engine speed governing system.
该系统以空间矢量pwm控制为核心，具有多种接口方式、宽调速范围和良好的动静态特性。
Having the space vector PWM as the core of servo system, it has qualities such as multi-interface, wide speed range, and good dynamic and static performance.
该方法采用一个三层BP网络辩识交流调速系统的特性，用另一个CMAC神经网络作为自适应控制器。
By using BP neural networks to oltain the model of AC speed adjustable system; another CMAC is used for adaptive controller.
水轮机调速系统是典型的具有非最小相位、非线性、时变特性的复杂控制系统，难以建立精确的数学模型。
To the question of the hydraulic turbine regulating system, this paper discusses fuzzy neural network control (FNNC) based on the character of fuzzy logic and neural network theory.
针对泵站电机和水泵特性的双馈调速系统设计，提出了两步法交流励磁控制策略。
This paper introduces the design of Doubly-fed system according to the characteristics of induction motor and pump, and points out a new strategy of ac excitation in two steps.
文章着重分析了变频器调速系统在低频区域的特性，阐述了该系统在低频区存在的一些问题，并提出相应的改善方法。
This article has mainly discussed the characteristics of the regulation system of frequency transformer in low-frequency areas and some problems and proposed some improvements.
给出了调速系统负载特性，改造的理论依据，改造过程及改造的设备系统选型。
It also gives the load characteristic of speed regulating system, the theoretical basis and practical process for alteration and selection of equipment.
建立调速型液力偶合器力矩特性数学模型是分析和计算机械系统动态响应的关键。
Establishment of torque mathematic model for a variable speed turbo coupling is the key for analysis and calculation of system dynamic response.
交流变频调速系统是利用异步交流电动机的同步转速随频率变化的特性，通过改变电机的供电频率而进行调速。
Because the AC asynchronous motor 'synchronous speed is determined by the frequency, we can control the AC asynchronous motor' speed by changing the supply power's frequency.
特别是由于采用了涡流制动器调速系统，更加改善了运行机构的运行特性。
Particularly the use of eddy current speed control system improves performance of the mechanism.
利用该方法为直流脉宽调速系统设计了控制器，并在实验室进行了实现，显示了良好的动态特性，表明控制器具有较大的工程实用价值。
With the CAD Program, controller is designed for the PWM system, Its realization shows good dynamic properties and that the design is valuable in engineering practice.
在具有旋转阻尼调速系统的静态特性数学模型中，可分别考虑各种因素对调速系统静态特性的影响。
In the mathematical model of static characteristics for the governing system with a rotating damper, the effects of factors on the governing system can be separately analyzed.
在数学模型中计入水轮机，发电机，负荷特性，调速器参数以及水力系统的特性。
The characteristics of turbine, generator and load, governor parameters and hydraulic characteristics sre considered in mathematic model.
本论文将模糊控制法应用到柴油机的调速系统当中，改善了调速系统的动态特性。
In this paper, fuzzy control method is applied to the engine speed control system, which improves dynamic characteristics of the speed control system.
汽轮机调速系统对电力系统阻尼特性的影响可以通过其提供的附加阻尼系数的符号和大小来确定。
The impact of turbine governor on the damping characteristic of power system can be determined by the sign and magnitude of the added damping coefficient.
本文介绍了车床的基本特点及其机械特性，并通过实例对于实现变频调速时，如何减小拖动系统的容量进行了讨论。
This paper introduced the basic feature and the mechanical characteristic of the lathe. Discussed how to reduce the power of inverter's drive system based on a practical example.
实验仿真表明，该调速系统动态特性较好，有较高的精度，不失为柴油机调速的一种新方法。
The simulation experiment show that the speed control System's dynamical character is better, and has higher control precision. It is a new way to control diesel engine.
文中首先对变频调速系统的工作原理做了简单的介绍，从理论上分析了变频调速系统的机械特性。
First, this paper presents a brief introduce to the VVVF system's principle of work, theoretically analyzed the VVVF system's mechanical characteristics.
分析了变频器调速系统在低频区域的特性，叙述了该系统在低频区存在的一些问题，并提出相应的改善措施。
The low frequency regional characteristics of variable speed system are analyzed, some problems in the system low frequency reional is described, corresponding improving measures were offered.
仿真结果表明：该方法不仅解决了模态抖动问题，而且改善了系统动态特性，证明了双模态控制在交流调速系统中的应用价值。
It is shown from simulation results that the proposed method may handle the chattering of sliding mode and improve the dynamic performance of the controlled system.
仿真结果表明：该方法不仅解决了模态抖动问题，而且改善了系统动态特性，证明了双模态控制在交流调速系统中的应用价值。
It is shown from simulation results that the proposed method may handle the chattering of sliding mode and improve the dynamic performance of the controlled system.
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