查询词典 pendulum

So to heighten the theoretical level of controls, we have to apply some control methods which realize the stabilization of the inverted pendulum by dint of our strength.The paper is based on the double linear inverted pendulum model, after concisely introducing the development and current situation of inverted pendulum system research, the mechanism and mathematical model of inverted pendulum are presented,mathematical model of the double inverted pendulum is particularly educed.

近年来，许多学者已经应用各种各样的控制方法对倒立摆系统进行广泛地研究，尽管国内外对倒立摆的研究已有显著成果，但作者对倒立摆的研究才刚刚起步，需要在学习和总结已有经验的基础上，研究倒立摆的控制，以提高控制理论的水平。

The response of the vertical pendulum to the crustal tilt tides is also studied. Both the construction and principle of the capacitance displacement transducer used in two-dimension vertical pendulum tiltmeter are described. The method of calibrating a vertical pendulum tiltmeter using a piezoelectric transducer and an autocollimation is first presented and performed.

本文介绍了二维垂直摆的基本结构和工作原理，分析了垂直摆对地倾斜的响应特性，介绍了高精度电容位移传感器的组成和工作原理，并讨论了利用压电陶瓷和自准直仪联合对垂直摆倾斜仪进行标定的方法。

This paper focuses on the subject of high precision vertical pendulum tiltmeter, and studies deeply a series of problems that involve in high precision capacity micrometry sensor, the mechanical structure of the tiltmeter and its parts, adjusting pendulum and calibration of tiltmeter, and practical application of the vertical pendulum tiltmeter.

本文围绕高精度垂直摆倾斜仪这一主题，对高精度电容测微传感器，倾斜仪机械本体的结构及其零部件，倾斜仪的调摆和标定，以及垂直摆倾斜仪的实际应用等一系列问题进行了较为深入的研究。

Controlling an inverted pendulum is one of the classic problems in the field of control theory research. The self-balancing vehicle introduced in this article is a new style of inverted pendulum; we call it "mobile inverted pendulum".

摘要倒立摆的控制是控制理论研究中的一个经典问题，本文介绍的自平衡电动车就是一种新式的倒立摆，我们称它为移动式的倒立摆。

According to the theory of harmonic motion,the cycle of the simple pendulum is analyzed by infinitesimal and experiment respectively,the formulation and the function curve of the cycle T altered with the location of the liquid surface are obtained,the law of pendulum cycle changed with the pendulum ball's mass reduced is showed more accurately and obviously.

根据谐振动理论，分别用微积分推导和实验测定的方法，分析了一类常见的关于摆球质量减少的单摆周期问题，得到周期T随液面位置h变化的函数关系式，以及周期T随液面h变化的曲线，较精确和直观地展示了因摆球质量减少而导致周期变化的规律。

Mainly consists of two aspects, one is made from an inverted pendulum control of the initial perspective through direct adaptive fuzzy control methods to restore stability at Liandugu; the other is an inverted pendulum control from the initial point begun tracking a sine curve, Even inverted pendulum angle according to the requirements of the sinusoidal changes.

主要分两个方面，一方面是使倒立摆从一个可控制的初始角度开始通过直接自适应模糊控制的方法使其重新稳定在零度角；另一方面是使倒立摆从一个可控制的初始角度开始使其跟踪一个正弦曲线，即使倒立摆的角度按所要求的正弦变化。

The influence of the excursion of the mass center of the torsional vibrating system of the three-string pendulum on the measurement of the moment of inertia is analyzed. A criterion for the mass center of the torsional vibrating system to be in alignment with the central axis of the three-string pendulum and a practical method to measure the moment of inertia of a body about a noncentral axis of mass using the three-string pendulum are proposed.

分析了三线摆扭振系统质心偏移对转动惯量测试的影响，给出了扭振系统质心与三线摆中心轴对齐的判别准则和用三线摆测定物体对非质心轴转动惯量的工程实用方法。

Simple pendulum simulation program, you can customize the angle, pendulum length, acceleration due to gravity.

详细说明：单摆模拟程序，可以自定义角度，摆长，重力加速度。

Through the discussion of the amplitude curves of continue oscillation of simple pendulum ,the idea of the compound pendulum stability of ships is presented.

通过船舶横摇运动微分方程的解，引入虚静倾角概念；讨论连续单摆运动的摆幅曲线，提出船舶的多摆稳性问题。

Now, Abroad, the biggest specifications of letter pendulum jaw type crusher of production is 2100 mm×3000mm and the jaw type crusher of compound pendulum is 1500 mm×2000mm.

目前。国外生产的简摆颚式破碎机的最大规格是2100mm×3000mm，复摆颚式破碎机的最大规格是1500mm×2000mm

In the days of sailing vessels the crew were afraid they would be becalmed on the ocean.

在使用帆船的时代，船员们担心他们会因为无风而无法在海洋上航行。

As long as foreign donors pay the PA's salary bill, few expect a new intifada.

只要外国继续为巴权力机构的薪水买单，希望发动新暴动的人便寥寥无几。