stabilizer n. 1.稳定器,平衡器,止摇机。 2.(防止火药自然分解的)稳定剂。 3.【航空】稳定[安定]面。 4.【医学】安定剂。 5. (防止产量增长过快而降低农业补贴等类的)经济稳定机制。
fin n. 1.鳍,鱼翅;鳍状物。 2.手,臂。 3.【航海】(潜水艇的)鳍板,水平舵;【火箭】舵;【航空】稳定器,安定翼; 【军事】弹尾;【机械工程】翅,尾翼,周缘翅片;散热片。 4.〔美口〕(人的)头。 5.汽车尾部的突起装饰物。 6.= flipper. the anal [caudal, dorsal, pectoral, ventral] fin 臀[尾、脊、胸、腹]鳍。 fin, fur and feather 鱼类,兽类与鸟类。 a cooling fin 冷却片。 damping fin 阻尼片。 rear fin 尾翼。 Shark's fin 鲨鱼翅。 Tip [give] us your fin. 〔俚语〕让我们握手。 vt.,vi. (-nn-) 1.把(鳍)切下。 2.(猛烈地)拍动(鳍)。 3.给…装上翅片[鳍板]。 n. 芬兰人。
Because fin stabilizer loading system is a typical passive loading system , the large surplus force caused by the fin stabilizer displacement seriously affects the static and dynamic of digital performances of the loading system 电液加载系统是典型的被动式电液力伺服系统,由于受到减摇鳍鳍角的强干扰引起很大的多余力,多余力严重地影响加载系统的静、动态特性。
Combining the fin stabilizers of both here and abroad , comparing with angle feedback fin stabilizer , this thesis does research on the compose and structure of lift fin stabilizer . finally an engineering design is achieved . 2 结合国外科研机构对同类减摇鳍的研究,对照角度反馈减摇鳍系统,对升力减摇鳍的结构和组成作进一步的讨论和改善,最终提出一个工程化的设计。
Big error exists in the hydrodynamic experiment , especially on dynamic state ; it is more difficult to test the hydrodynamic property of fin stabilizer . so the lift comes from this kind of control method ca n ' t counteract the wave torque perfectly , thereby affecting the stabilizer ' s function 由于鳍的水动力试验有很大的误差,特别是在动态条件下鳍的水动力特性测试更是困难,所以这种控制方法产生的鳍升力不能很好地抵消波浪力矩,从而影响了减摇效果。
The electro - hydraulic load simulator of fin stabilizer is physical half - objective simulative system . its function is to simulate , under laboratory conditions , different kinds of hydrodynamic force exerted on the fin stabilizer so as to detect technical performance index of the driving system of fin stabilizer . thus the classical self - destructing all - objective experiment will be converted to half - objective forecasting experiment in laboratory to achieve the aims such as shortening lead time , saving developing funds , enhancing reliability and success proportion 减摇鳍电液负载仿真台是一种半实物物理仿真系统,其功能是在实验室的条件下,模拟船舶航行过程中减摇鳍所受的海浪水动力载荷谱,从而检测减摇鳍驱动系统的技术性能指标,将经典的自破坏全实物实验转化为在实验室条件下的半实物预测性实验,以达到缩短研制周期、节约研制经费、提高可靠性和成功率的目的。
In this dissertation , the author builds up mathematical model of the electro - hydraulic load simulator of fin stabilizer , obtaining the mechanism and characteristics of surplus force through analyzing the mathematical model of the electro - hydraulic load simulator . the conclusion is obtained that the surplus force is influenced by speed and acceleration of the electro - hydraulic load simulator 从动力元件的动静态特性出发,揭示多余力的产生机理和本质特征,分析多余力的影响因素及多余力对加载系统控制性能的影响作用,寻找最有效的克服多余力、提高控制性能的途径。
Driving elements of fin stabilizer are designed and the simulation about characteristics of surplus force , loading system with or without disturbance , static or dynamic state is done . the relationship between the dynamic characteristics of servo valve and loading system " s control performance , loading gradient and loading system " s control performance is analyzed 设计了减摇鳍电液负载仿真台动力元件,利用相关软件对加载系统多余力特性、有扰及无扰特性、动态及静态特性等控制性能进行了仿真分析,并分析了加载梯度、伺服阀动态特性与加载系统控制性能之间的关系。
Its function is to simulate different water " s movement forces exerted on the fin stabilizer on different position so as to detect technical function index of the fin stabilizer . thus lots of time and funds can be saved , reliability and success proportion can be raised 它的功能是模拟减摇鳍鳍片在不同角度时所受到的水流的作用力,并把此力实时的施加于鳍片,从而检测减摇鳍控制系统的技术性能指标,以达到缩短研制周期,节约研制经费,提高可靠性和成功率的目的。
Fin stabilizer is a kind of active stabilizer , which is designed on the principle of torque counteraction . fin stabilizer applied at present is an angle feedback system which calculate the controlling torque through the fin angle . because the relationship between the lift produced by fin and the fin angle is mainly determined by the hydrodynamic experiment , so there are some defects 目前使用的减摇鳍是一个角度反馈系统,它通过鳍的转角来计算控制力矩,这样就存在一些不足之处,因为鳍上产生的升力和鳍角的对应关系主要靠鳍模的水动力试验来求得。
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