instantaneous center

简明释义

瞬时中心

英英释义

例句

1.The instantaneous center 瞬时中心 of a pendulum is located at the pivot point, allowing us to analyze its motion easily.

摆的瞬时中心位于支点，使我们能够轻松分析其运动。

2.When analyzing a rolling wheel, the instantaneous center 瞬时中心 helps determine the point of contact with the ground.

在分析滚动轮子时，瞬时中心有助于确定与地面的接触点。

3.In robotics, finding the instantaneous center 瞬时中心 of a robotic arm can simplify the calculation of its trajectory.

在机器人技术中，找到机器臂的瞬时中心可以简化其轨迹计算。

4.The concept of the instantaneous center 瞬时中心 is crucial in understanding the motion of rigid bodies.

理解刚体运动中的概念瞬时中心是至关重要的。

5.Understanding the instantaneous center 瞬时中心 can help engineers design better mechanical systems.

理解瞬时中心可以帮助工程师设计更好的机械系统。

作文

In the study of mechanics, particularly in the context of rigid body motion, the concept of the instantaneous center plays a crucial role. Understanding this concept allows engineers and physicists to analyze the motion of objects more effectively. The instantaneous center refers to a specific point in a moving body at which the velocity is zero at a given instant. This means that while the rest of the body is in motion, this particular point remains stationary, providing a reference for understanding the overall movement of the object.To illustrate this concept, consider a rolling wheel. As the wheel rolls along a surface, each point on the wheel travels in a circular path around the instantaneous center. At the bottom of the wheel, where it contacts the ground, the velocity is momentarily zero. Hence, this point serves as the instantaneous center of rotation for that instant. The significance of identifying the instantaneous center lies in its ability to simplify complex motion into manageable components.In practical applications, the instantaneous center is essential for analyzing mechanisms in machinery. For example, in a four-bar linkage system, engineers can determine the motion of various parts by locating their instantaneous centers. By doing so, they can predict how the system will behave under different conditions, ensuring efficient design and operation.Moreover, the instantaneous center is not limited to mechanical systems; it also has implications in robotics and animation. In robotics, understanding the instantaneous center helps in programming movements accurately, allowing robots to navigate their environment smoothly. Similarly, in animation, artists use the concept to create lifelike movements by ensuring that characters rotate around appropriate instantaneous centers, enhancing realism in their animations.Another aspect worth noting is that the instantaneous center can change over time. As an object moves, its instantaneous center may shift, reflecting the dynamic nature of motion. This variability requires continuous analysis, especially in systems where speed and direction are constantly changing.In conclusion, the instantaneous center is a fundamental concept in understanding motion in rigid bodies. Its ability to simplify complex movements into identifiable points allows for better analysis and design in various fields, from engineering to robotics and animation. By mastering the concept of the instantaneous center, professionals can enhance their ability to create efficient systems and realistic animations, ultimately contributing to advancements in technology and art. Understanding the instantaneous center is not merely an academic exercise; it is a vital skill that bridges theory and practical application in the real world.

在力学研究中，尤其是在刚体运动的背景下，瞬时中心的概念发挥着至关重要的作用。理解这一概念使工程师和物理学家能够更有效地分析物体的运动。瞬时中心是指在给定瞬间，运动物体上的一个特定点，其速度为零。这意味着尽管物体的其余部分在运动，但这个特定点保持静止，为理解物体的整体运动提供了参考。为了说明这个概念，考虑一个滚动的轮子。当轮子沿着表面滚动时，轮子上的每个点都围绕瞬时中心沿圆形路径移动。在轮子的底部，与地面接触的地方，速度暂时为零。因此，这个点在那一瞬间充当了瞬时中心。识别瞬时中心的重要性在于它能够将复杂的运动简化为可管理的组成部分。在实际应用中，瞬时中心对于分析机械装置至关重要。例如，在四杆连杆系统中，工程师可以通过定位其瞬时中心来确定各个部件的运动。通过这样做，他们可以预测系统在不同条件下的行为，从而确保设计和操作的高效。此外，瞬时中心不仅限于机械系统；它在机器人技术和动画中也有影响。在机器人技术中，理解瞬时中心有助于准确编程运动，使机器人能够顺利导航其环境。同样，在动画中，艺术家利用这一概念来创造逼真的运动，确保角色围绕适当的瞬时中心旋转，从而增强动画的真实感。另一个值得注意的方面是，瞬时中心可能会随着时间而变化。当物体运动时，其瞬时中心可能会移动，反映出运动的动态特性。这种可变性需要持续分析，特别是在速度和方向不断变化的系统中。总之，瞬时中心是理解刚体运动的基本概念。它将复杂运动简化为可识别的点的能力使得在工程、机器人技术和动画等各个领域的分析和设计更加高效。通过掌握瞬时中心的概念，专业人士可以提升他们创造高效系统和逼真动画的能力，最终促进技术和艺术的进步。理解瞬时中心不仅仅是学术练习；它是一项重要技能，架起了理论与现实世界实际应用之间的桥梁。