instantaneous center of rotation

简明释义

瞬时旋转中心

英英释义

例句

1.The instantaneous center of rotation 瞬时旋转中心 for a bicycle wheel changes as the bike leans into a turn.

当自行车倾斜转弯时，自行车轮子的瞬时旋转中心 瞬时旋转中心会发生变化。

2.In animation, the instantaneous center of rotation 瞬时旋转中心 can be used to create more realistic movements of characters.

在动画中，瞬时旋转中心 瞬时旋转中心可用于创造更逼真的角色动作。

3.In biomechanics, understanding the instantaneous center of rotation 瞬时旋转中心 of a joint helps in analyzing human movement.

在生物力学中，理解关节的瞬时旋转中心 瞬时旋转中心有助于分析人类运动。

4.When a car turns, the instantaneous center of rotation 瞬时旋转中心 is the point around which the vehicle rotates, affecting its trajectory.

当一辆车转弯时，瞬时旋转中心 瞬时旋转中心是车辆旋转的点，影响其轨迹。

5.In robotics, the movement of a robotic arm can be analyzed using the concept of the instantaneous center of rotation 瞬时旋转中心 to determine how it pivots around its joints.

在机器人技术中，机器臂的运动可以通过使用瞬时旋转中心 瞬时旋转中心的概念来分析，以确定它如何围绕关节旋转。

作文

In the study of mechanics, particularly in the analysis of rigid body motion, the concept of the instantaneous center of rotation plays a crucial role. This term refers to a specific point in a moving object where the velocity is momentarily zero, making it the pivot point around which the rest of the body rotates at that instant. Understanding this concept is essential for engineers and physicists as it simplifies the analysis of complex movements. For instance, when a bicycle turns, the wheels rotate around an instantaneous center of rotation, which allows us to predict the path of the bike accurately.The instantaneous center of rotation can be visualized by considering a simple scenario: imagine a door swinging open. The hinges act as the instantaneous center of rotation, while the rest of the door moves in an arc around that point. This visualization helps to grasp how different parts of a body can have different velocities while still being connected through a common rotational point.In practical applications, identifying the instantaneous center of rotation can help in designing mechanisms such as robotic arms or automated machinery. By knowing where this point is located, engineers can create more efficient systems that optimize movement and reduce wear on components. For example, in robotics, understanding the instantaneous center of rotation allows for smoother and more precise movements, which are critical in tasks requiring high accuracy, such as surgery or assembly lines.Moreover, the instantaneous center of rotation is not static; it changes with the motion of the object. As a vehicle accelerates, decelerates, or turns, the instantaneous center of rotation shifts accordingly. This dynamic nature adds complexity to the analysis of motion but also makes it a fascinating topic of study. Engineers often use graphical methods or computational simulations to track the changes in the instantaneous center of rotation during various maneuvers.In sports, the concept is equally significant. Athletes, especially in sports like gymnastics or diving, utilize their instantaneous center of rotation to perform complex maneuvers. Understanding how to control this point can lead to improved performance and reduced risk of injury. Coaches often emphasize the importance of body positioning and control over the instantaneous center of rotation to enhance athletes' skills.In conclusion, the instantaneous center of rotation is a fundamental concept in mechanics that aids in analyzing and predicting the motion of objects. Whether in engineering, robotics, or sports, understanding this point allows for better design, improved efficiency, and enhanced performance. As we continue to explore the intricacies of motion, the instantaneous center of rotation will remain a vital element in our understanding of how objects interact and move in our world.

在力学的研究中，特别是在刚体运动分析中，瞬时旋转中心的概念起着至关重要的作用。这个术语指的是在一个运动物体中，速度瞬时为零的特定点，使其成为该时刻其他部分围绕其旋转的支点。理解这一概念对工程师和物理学家至关重要，因为它简化了复杂运动的分析。例如，当一辆自行车转弯时，轮子围绕一个瞬时旋转中心旋转，这使我们能够准确预测自行车的行驶路径。瞬时旋转中心可以通过考虑一个简单的场景来可视化：想象一扇门正在打开。铰链作为瞬时旋转中心，而门的其余部分则围绕该点沿弧线移动。这种可视化有助于理解一个物体的不同部分可以具有不同的速度，同时仍然通过一个共同的旋转点连接在一起。在实际应用中，识别瞬时旋转中心可以帮助设计机械装置，例如机器人手臂或自动化机器。通过了解这个点的位置，工程师可以创建更高效的系统，以优化运动并减少组件的磨损。例如，在机器人技术中，理解瞬时旋转中心可以实现更平滑、更精确的运动，这对于需要高精度的任务（如手术或装配线）至关重要。此外，瞬时旋转中心并不是静态的；它随着物体的运动而变化。当车辆加速、减速或转弯时，瞬时旋转中心会相应地移动。这种动态特性增加了运动分析的复杂性，但也使其成为一个引人入胜的研究主题。工程师们通常使用图形方法或计算机模拟来跟踪在各种操作过程中瞬时旋转中心的变化。在体育运动中，这个概念同样重要。运动员，尤其是在体操或跳水等项目中，利用他们的瞬时旋转中心来执行复杂的动作。理解如何控制这一点可以提升运动表现并减少受伤风险。教练们通常强调身体姿势和对瞬时旋转中心的控制对于提高运动员技能的重要性。总之，瞬时旋转中心是力学中的一个基本概念，有助于分析和预测物体的运动。无论是在工程、机器人技术还是体育运动中，理解这一点都能带来更好的设计、更高的效率和更优的表现。随着我们继续探索运动的复杂性，瞬时旋转中心将始终是我们理解物体如何相互作用和运动的重要元素。