第一部分，进行了减摇鳍设计工作。
这是传统减摇鳍的主要缺陷。
This is the main disadvantage of traditional fin stabilizers.
故障诊断技术及其在减摇鳍系统中的应用。
The application of fault diagnosis in fin stabilizer control system.
分析减摇鳍的作用。
该算法应用于减摇鳍系统也获得了良好的控制性能。
This algorithm also gains favorable performance in control of ship anti-rolling fin.
同时，简化电路，提高减摇鳍的可靠性和抗干扰能力。
Besides, simplify the circuit, improve dependability of the stabilizer and interference-free ability.
主要原因是减摇鳍，升力的产生源于水流流过鳍的速度。
The main reason is that the lift on the fins depends on the velocity of flow around them.
减摇鳍是一种主动式减摇装置，它采用力矩对抗原理设计。
Fin stabilizer is a kind of active stabilizer, which is designed on the principle of torque counteraction.
本文的研究工作可为减摇鳍故障诊断与容错控制工程设计应用。
The research results in the dissertation can be used in engineering design of fault diagnosis and fault-tolerant control of fin stabilizer systems.
本文提出了无平行中体船体减摇鳍在各种状态下的定位方法和安装工艺。
This article introduces a location method and the installation technique for stabilizer on ship with no parallel middle body.
结果表明，减摇鳍模糊控制器与传统PID控制器相比具有更好的控制效果。
Results show that compared with the conventional PID controller, the fuzzy controller has better effect.
对于在低航速或系泊状态下仍需要减摇的船舶来说，传统的减摇鳍就不再适用了。
The traditional fin stabilizers would not be applicable for the ships which still need anti rolling at lower speed or at anchor.
目前使用的绝大多数减摇鳍都是角度反馈系统，它通过鳍的转角来计算控制力矩。
Most of the fin stabilizers we use now are angle-feedback system, whose control torque is gotten by the calculation of fin Angle.
目前使用的绝大多数减摇鳍都是鳍角控制系统，它通过鳍的转角来计算控制力矩。
Most of the fin stabilizers we use now are angle-control system, whose control torque is gotten by the calculation of fin Angle.
简单介绍了几种典型的减摇鳍装置转鳍油缸的组成和结构，分析了它们的优缺点。
The paper gives a simple introduction of the components and structure of several typical fin rotation cylinders for fin stabilizers and analyzes their advantages and disadvantages.
船舶减摇鳍是船舶与海洋工程中的一种重要系统，目前已在多种船舶中广泛应用。
As an important system of Marine engineering, ship stabilizing fins have been widely used in many different kinds of ships.
主要研究内容是探索一种能使减摇鳍在零航速或低航速条件下产生升力的解决方案。
The main content is to explore a scheme that makes fin stabilizers produce lift at zero speed.
减摇鳍是目前最常用且应用最成功的船舶主动式减摇装置，减摇效果可达90%以上。
Fin stabilizers are most frequently and successfully used active anti-roll equipments. The effectiveness of roll reduction can be more than 90 percent.
在原来角度反馈减摇鳍系统的基础上，通过适当的改造建立升力反馈减摇鳍系统的实验台架。
Properly rebuild the experiment formwork of lift-feedback fin stabilizer system on the base of original angle-feedback fin stabilizer system.
减摇鳍是一种非常重要的船舶减摇装置，但传统的鳍角反馈减摇鳍在设计中存在着很多问题。
Fin stabilizer is one of the most important effective ship roll reducing equipments, which has many defects in the classical Angle feedback system.
在减摇领域，零航速减摇鳍技术开发成为人们关注的问题，于是人们提出了零航速减摇鳍的概念。
In ship anti roll field, the technology of ship roll stabilization at zero forward speed that becomes a focus and so the concept of anti roll ship at anchor is proposed.
提出基于自适应网络模糊推理系统(ANFIS)的神经模糊控制器作为船舶减摇鳍系统的控制装置。
In this paper, we present an Adaptive Network-based fuzzy Inference system (ANFIS), based on a neuro-fuzzy controller, as a possible control mechanism for a ship stabilizing fin system.
本论文所进行的相关研究是基于我校“211”重点建设项目“升力控制减摇鳍”的研究基础上进行的。
The studies in this thesis is based on one of key "211" construction projects called "Lift-Control Fin Stabilizer".
论文采用分数阶保持器(FROH)代替传统的零阶保持器(ZOH)，对减摇鳍系统进行数字控制设计。
This paper USES fractional order hold (FROH) to replace the traditional zero-order hold (ZOH), designs a numerical control system for the fin.
通过升力反馈和升力限位，对原有减摇鳍随动系统进行改进，建立了升力控制的船舶零航速减摇鳍控制系统。
According to lift feedback and lift limit, the original servo system of fin stabilizers is improved and lift control system of zero speed fin stabilizers is established.
最后，通过试验，验证了升力控制减摇鳍系统实验装置的各部分性能并取得了一些有益的试验资料和试验结论。
At last, through the experiment, confirm the performance of each of the test platform of lift-control fin stabilizer, and obtain some beneficial experimental materials and experimental conclusions.
介绍了PLC在减摇鳍装置航速调节中的应用，以PLC为控制核心实现装置的航速灵敏度调节的数字化处理。
The application of PLC in speed adjustment of fin stabilizer is introduced in this paper. This system USES PLC as the central device to achieve digital control of sensitivity adjustment of speed.
最后，结合实际系统的要求，设计了减摇鳍加载系统的数字控制部分，并对静态加载实验所获得的数据进行了分析。
Lastly, design the digital control part of the fin stabilizer relying on the actual demand of the system, and analyze the experimental data of static loading experiments.
其功能涵盖了NJ 5减摇鳍控制器的全部功能。在此基础上增加了转台的控制部分及对故障及状态检测信号的采集。
All functions of the controller has contained NJ5 series fin stabilizers stabilizer, and increased the control of the revolving table and collection of the signal that the trouble and state measured.
船舶减摇鳍是现代仿生学与控制理论相结合在船舶工程应用中的一个成功实例，也是应用最广泛的一种船舶减摇装置。
Ship anti-rolling fin is a successful compound of modern bionics and control theory in ship engineering and also one of the most widely used anti-rolling apparatus.
应用推荐