kinematics

简明释义

英[ˌkɪnɪˈmætɪks]美[ˌkɪnəˈmætɪks]

n. 运动学；动力学

英英释义

单词用法

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例句

1.A new method was presented, which can analyze the kinematics of humanoid running robot.

提出了一种对仿人型跑步机器人的运动学进行分析的新方法。

2.Background the amount of the olecranon that can be removed without substantially affecting the kinematics and stability of the elbow is controversial.

在不影响肘关节运动及稳定性的情况下，鹰嘴到底可以被切除多少，这一直是争论的课题。

3.Meanwhile, utilizing algebra law, inverse kinematics equation is solved.

同时，利用反变换法(代数法)进行运动学反解。

4.However, elastic kinematics model to simulate the kinematic and found that this calculation error is not significant.

但用弹性运动学模型来进行运动学模拟后发现，这个计算误差并不大。

5.Fuzzy Neural Network combined with conventional PD controller is used for the kinematics control and a fuzzy rule extraction method is put forward.

采用模糊神经网络结合常规PD控制器的方法来进行机器人的运动控制，提出了提取模糊规则的方法。

6.Then, the kinematics and statics of the manipulator are studied, and a dynamic model of this parallel flexible system is established.

在此基础上分析了操作臂的运动学和静力学关系，建立了并联柔性系统的动力学模型。

7.A new method of solving inverse kinematics of robots based on improvement of neural networks is presented in this paper.

本文提出了一种基于神经网络改进算法的机器人逆运动学的求解方法。

8.The main work is as follows: 1. Kinematics simulation modeling of the fruit picking robot.

主要工作包括：1、果树采摘机器人运动学建模。

9.In addition, the bearings benefit from improved kinematics, optimised surfaces and are made from higher performance materials.

此外，轴承受益于改善运动学，优化表面是由更高的性能的材料。

10.In physics class, we studied the principles of kinematics 运动学 to understand how objects move.

在物理课上，我们学习了运动学 kinematics 的原理，以理解物体是如何运动的。

11.The robot's movements were analyzed using kinematics 运动学 to improve its efficiency.

机器人的运动通过使用运动学 kinematics 进行分析，以提高其效率。

12.Understanding kinematics 运动学 is essential for designing effective sports training programs.

理解运动学 kinematics 对于设计有效的体育训练计划至关重要。

13.The engineers used kinematics 运动学 to calculate the trajectory of the projectile.

工程师们使用运动学 kinematics 来计算抛射物的轨迹。

14.In animation, kinematics 运动学 helps create realistic movements of characters.

在动画中，运动学 kinematics 有助于创造角色的真实运动。

作文

Kinematics is a branch of physics that deals with the motion of objects without considering the forces that cause this motion. It focuses on the positions, velocities, and accelerations of objects as they move through space and time. Understanding kinematics (运动学) is crucial for various fields such as engineering, robotics, and even sports science. By analyzing the motion of an object, we can predict its future position and understand how it interacts with other objects in its environment. One of the fundamental concepts in kinematics (运动学) is the idea of displacement. Displacement refers to the change in position of an object. It is a vector quantity, meaning it has both magnitude and direction. For example, if a car travels from point A to point B, the displacement is the straight line distance from A to B, along with the direction of that line. This is different from distance, which only considers the length of the path traveled without regard to direction. Another important concept in kinematics (运动学) is velocity. Velocity is defined as the rate of change of displacement over time. It is also a vector quantity, which means it has both speed and direction. For instance, if a runner completes a lap around a track in 60 seconds, their average velocity would depend on the direction they are running. If they run clockwise, their velocity vector points in that direction; if they run counterclockwise, the velocity vector points in the opposite direction. Acceleration is yet another key concept in kinematics (运动学). It describes the rate of change of velocity over time. When an object speeds up, slows down, or changes direction, it experiences acceleration. Like displacement and velocity, acceleration is also a vector quantity. For example, when a car accelerates from a stoplight, it increases its velocity over a specific period, resulting in positive acceleration. Conversely, if the car is braking, it experiences negative acceleration, also known as deceleration. The equations of motion, often referred to as the kinematic equations, are essential tools in kinematics (运动学). These equations relate displacement, velocity, acceleration, and time, allowing us to solve problems involving moving objects. For instance, one of the most commonly used kinematic equations is: v = u + at, where v is the final velocity, u is the initial velocity, a is the acceleration, and t is the time. This equation helps us determine the final velocity of an object when we know its initial velocity, the acceleration it experiences, and the time it has been moving. Applications of kinematics (运动学) are vast and varied. In engineering, understanding the motion of components in machines is vital for designing efficient systems. In sports science, analyzing athletes' movements can help improve performance and prevent injuries. Even in everyday life, knowing the principles of kinematics (运动学) can help us make better decisions while driving, biking, or participating in recreational activities. In conclusion, kinematics (运动学) provides a framework for understanding the motion of objects in a systematic way. By studying displacement, velocity, and acceleration, we can gain insights into how objects move and interact with their surroundings. Whether it’s in the realm of physics, engineering, or sports science, the principles of kinematics (运动学) are fundamental to our comprehension of the physical world.