Kinematic modeling and motion algorithm for long undulatory fins 仿生波动长鳍运动学建模及算法研究
It can move forward, backward or brake depending on the undulatory motion of the flexible fin. 来实现载体的前进、后退、制动等各种机动动作。
Design of Control system of Bionic Underwater Vehicle Propelled by Multiple Undulatory Fins 多波动鳍仿生水下机器人控制系统设计
It combines the fuzzy controller and the self-adaptive unit, achieving the undulatory control of the flexible fin in uncertain environments. 它将模糊控制器和自适应单元相结合,解决了不确定环境下柔性长鳍的波动控制问题。
To realize the undulatory control of the flexible fin, a locomotory model is analyzed and a distributed control structure is designed. 针对柔性长鳍特有的波动控制问题,分析了柔性长鳍的运动模型,并设计了一种分布式控制系统结构。
The distribution of the maximum depth of undulatory wears on the rails under the4 wheels of the same bogie is different; 同一个转向架4个车轮作用下形成的钢轨波磨最大深度波谷的分布是不同的;
Such is the undulatory nature of the movement of opposites in all things. 这是事物矛盾运动的曲折性。
A judgement experiment for undulatory theory of light 光的波动说判定性实验
The thrust and propulsive efficiency of the long-based fin undulating can be analyzed by applying the derived kinematic model and the equilibrium equations of the undulatory fin. 依据所建立的运动学模型和柔性长鳍波动的平衡方程,可以进一步解析柔性长鳍波动运动的动力学性能。
According to the simplified kinematic model, the bionic set of the undulatory dorsal fin has been designed in a three-dimensional CAD software. 根据设计参数和数学建模的结果,设计出柔性长背鳍运动的仿生装置,并在三维CAD软件中进行零件建模和虚拟装配;
In the foundation of cycle undulatory theory, the booming theory founded the booming index, using it to monitor the influence of macroscopic economy by cyclical undulation. 而景气理论则是在周期波动理论的基础上,构建景气指数来监测宏观经济受经济周期波动的影响。
Design of Movable Teeth Undulatory Decelerator 活齿波动减速器的设计
Dynamic analysis of undulatory propulsion of long flexible fin 柔性长鳍波动推进动力学分析
From R. descartes, R. Hooke and pardies to C. Huygens: development of Huygens undulatory theory 从R.笛卡儿、R.胡克和帕蒂到C.惠更斯:惠更斯波动理论的发展
Employing the fundamental principle of linear filter model, an improved simulation method is developed based on a high-order filter model for randomly undulatory sea surface. 根据线性滤波器模型的基本原理,提出了一种改进的基于高阶滤波器的随机起伏海面仿真方法。
A study of quantitative interpretation for fixed point source sounding method under undulatory terrain 起伏地形条件下固定点源测深法定量解释研究
In this paper. the Euler equation and equation of continuity of water movement are linearized on the basis of the small disturbance principle, then the undulatory equation is solved. 本文通过对水流运动的欧拉(Eulcr)方程和连续方程按小扰动原理进行线性化处理,然后求其波动方程的解。
The test platform utilizes the bionic device to imitate diversified undulatory movement modes of bionic object, uses the measurement system to obtain the hydrodynamic force and moment under the static and dynamic condition, and realizes remote operation through the measurement and control system. 测试平台利用仿生装置模拟仿生对象多种波动运动模式,借助测量系统对受试模型的各种波动运动进行静态与动态流体动力/力矩测量,并通过测控系统对整个平台进行远程测控。
The test system has the following capabilities, including 6-DOF hydrodynamic measurement, 2-DOF movement guiding, and movement parameter measurement of carrier, etc. It is an important test platform supporting the study of underwater vehicle based on undulatory propulsion of long flexible Fin. 论文研究的测试系统具有6分力测量、2自由度运动导向以及载体运动参数测量等功能,是支撑柔性长鳍波动推进水下机器人研究的重要试验平台。
We established a kinematic model of the long-based undulatory fin on the basis of analyzing the long-based dorsal fin locomotion and considering the fluid-structure interaction. 在分析长背鳍运动和流固耦合的基础上,建立了柔性波动长鳍的运动学模型;
Further, the equilibrium equations of the undulatory fin were obtained by applying the membrane theory of thin shells, which took into account the geometrical non-linearity of the structure. 进而,从弹性薄壳理论出发,考虑柔性长鳍结构的几何非线性,并引入无矩薄壳理论的假定,建立了柔性长鳍波动的平衡方程。
It is found that the horn-blendes show no micro-structure while their coexisting quartz displays apparent undulatory extinction. 笔者发现,当石英呈明显波状消光时,普通角闪石未显示变形结构;
On the other hand, the analysis on the results also promoted the research of the undulatory propulsive mechanism. 另一方面,对试验结果的分析也验证波动推进机理,并可以促进对该机理的进一步研究。
Number of Elements in a Usable Binary Cyclic Sequence and Undulatory Element Distribution 可用二元周期序列的元素数目和波动分布
According to inertia principle, rail undulatory wear inspection system adopts analog digital composite filtering method to process data and eliminates the speed influence on measurement results. 钢轨波磨检测系统根据惯性测量原理,采用模拟&数字混合滤波的数据处理方法,消除了速度对检测结果的影响。
Hydrodynamic Model for Fish's Undulatory Motion and Its Applications 描述鱼类波状游动的流体力学模型及其应用
The second class methods, mainly bases on elasticity undulatory theory, through simulation or reversal development method forecast multiple, and then match it with the original data. 第二类主要是基于弹性波动理论的方法,通过模拟或反演方法来预测原始数据中多次波,继而从原始数据中匹配减去所预测的多次波。
Research on swimming by undulatory long dorsal fin propulsion 长背鳍波动推进游动研究
The research indicates that the Chinese market is a relative seal emerging market, the undulatory property is big, is enhancing gradually with other national capital market relevance, policies and regulations still not very perfect, may supply the investment the financial instruments to be few. 研究表明,中国市场是一个相对封闭的新兴市场,波动性大,与其它国家资本市场相关性正在逐步提高,政策法规尚不十分健全,可供投资的金融工具较少。
The experimental tests show the feasibility and creditability of the theoretic and computational conclusions. 4. Improvement of the undulatory fin propulsion system. 实验结果较好地验证了理论推导和数值计算结论的可信性和正确性。4.仿生鱼鳍装置的初步改进。