cogging

简明释义

英[ˈkɒɡɪŋ]美[ˈkɔːɡɪŋ]

n. 接头；齿轮；镶齿效应

v. 给……装配轮齿（cog 的 ing 形式）

英英释义

单词用法

同义词

反义词

例句

1.The effects of stator and rotor eccentricity on the magnetic field distributions, cogging torque and unbalanced force were calculated in this paper by using finite element method (FEM).

采用有限元法计算分析了定子偏心与转子偏心对无刷直流电动机的气隙磁场、定位力矩及单向磁拉力的影响。

2.The calculation formula of the cogging torque are derived by the Fourier decomposition and the virtual displacement method.

利用傅里叶分解及能量虚位移法，推导了磁阻转矩的计算公式。

3.There are two causes or cogging force in linear permanent magnet motors, resulting from the slotting and the finite length of the iron-cored.

永磁直线电机的定位力是由铁心开槽及铁心的有限长产生的。

4.On this basis, back electromotive force without load and with load is researched, simulated and analyzed, and cogging torque is analyzed and calculated in different dimensions of magnetic steel.

在此基础上，仿真了空载和负载下的电机反电动势，并且对不同磁钢尺寸下的定位力矩进行了分析计算。

5.Results show that cogging using concave anvil can increase the deformation at the center part of the billet and can press holes more effectively.

实验结果表明，利用凹面砧拔长，锻件心部能够获得更大的变形量，对空洞的压合效果更好。

6.Different forging hammer cogging-down way will lead to different evenness degree and graininess of eutectic carbide.

锻锤开坯方式不同其共晶碳化物均匀度、颗粒度有很大的差异。

7.Parameters of the induced electromotive force and the electromagnetic torque and so on of the novel motor have been calculated, and it is not difficult to catch the maximum value of cogging torque.

计算了复合电机的感应电动势和电磁转矩，捕捉了齿槽定位转矩的最大值等电机参数。

8.Accordingly, a cogging torque and noise are reduced without reducing a back-electromotive force, thereby obtaining a high efficiency.

因此，在不减小反电动势的情况下减小了顿转扭矩和噪音，由此获得高效率。

9.The cogging effect can lead to vibrations that are undesirable in precision machinery.

在精密机械中，齿轮卡滞效应可能导致不希望出现的振动。

10.The motor experienced significant cogging when starting, causing it to jerk rather than start smoothly.

电动机在启动时经历了显著的齿轮卡滞，导致它抖动而不是平稳启动。

11.When testing the prototype, we noticed some cogging that affected the overall efficiency.

在测试原型时，我们注意到一些齿轮卡滞现象影响了整体效率。

12.Engineers often design systems to minimize cogging in electric motors for better performance.

工程师们通常设计系统以最小化电动机中的齿轮卡滞现象，以提高性能。

13.To reduce cogging, we implemented a new control algorithm in the motor's software.

为了减少齿轮卡滞，我们在电动机的软件中实施了一种新的控制算法。

作文

In the world of engineering and mechanics, the term cogging refers to a phenomenon that occurs in electric motors, particularly in brushless DC motors. This effect is characterized by a noticeable resistance when attempting to rotate the motor shaft, which can lead to uneven motion and vibrations. Understanding cogging is crucial for engineers and designers who aim to create smooth and efficient machinery. The underlying cause of cogging is often attributed to the interaction between the permanent magnets in the rotor and the stator windings. When the rotor is aligned with the magnetic field of the stator, it experiences a strong pull, but as it moves away from this position, the resistance increases significantly. This results in a jerky motion, which can be detrimental in applications requiring precision and stability.To mitigate the effects of cogging, engineers employ various techniques during the design phase. One common approach is to optimize the geometry of the rotor and stator to reduce the magnetic attraction at certain positions. By altering the shape and arrangement of the magnets, it is possible to create a more uniform magnetic field that minimizes the impact of cogging. Additionally, using advanced control algorithms can help smooth out the torque delivery, further reducing the perceptible effects of cogging in practical applications.The importance of addressing cogging extends beyond just mechanical performance; it also plays a significant role in the overall efficiency of electric motors. High levels of cogging can lead to increased energy consumption and heat generation, which can shorten the lifespan of the motor and increase operational costs. Therefore, understanding and managing cogging is essential for anyone involved in the design and production of electric motors.In everyday applications, the presence of cogging can be felt in devices such as electric bicycles, drones, and robotics. For instance, an electric bicycle with a motor that exhibits significant cogging may struggle to provide a smooth ride, especially at low speeds. Riders may experience sudden jolts or a lack of responsiveness when pedaling, which can detract from the overall user experience. Similarly, in robotics, where precise movements are critical, cogging can hinder the ability of robotic arms to perform delicate tasks.In conclusion, cogging is a vital concept in the field of electrical engineering that affects the performance and efficiency of electric motors. By understanding the causes and implications of cogging, engineers can devise strategies to minimize its effects, leading to better-performing machines and improved user experiences. As technology continues to advance, the study of cogging will remain a key area of focus for those looking to innovate and improve electric motor designs.

在工程和机械的世界中，术语cogging指的是一种现象，发生在电动机中，特别是在无刷直流电动机中。这种效应的特点是当试图旋转电动机轴时会出现明显的阻力，这可能导致不均匀的运动和振动。理解cogging对工程师和设计师来说至关重要，他们旨在创造平稳高效的机械。cogging的根本原因通常归因于转子中的永久磁铁与定子绕组之间的相互作用。当转子与定子的磁场对齐时，它会感受到强烈的吸引力，但随着转子离开这个位置，阻力会显著增加。这导致了抖动的运动，这在需要精确和稳定的应用中可能是有害的。为了减轻cogging的影响，工程师在设计阶段采用各种技术。一种常见的方法是优化转子和定子的几何形状，以减少在某些位置的磁吸引力。通过改变磁铁的形状和排列，可以创建一个更均匀的磁场，从而最小化cogging的影响。此外，使用先进的控制算法可以帮助平滑扭矩输出，进一步减少在实际应用中可感知的cogging效果。解决cogging的重要性不仅仅体现在机械性能上；它还在电动机的整体效率中发挥着重要作用。高水平的cogging可能导致能耗和热量增加，从而缩短电动机的使用寿命并增加运营成本。因此，理解和管理cogging对于任何参与电动机设计和生产的人来说都是必不可少的。在日常应用中，cogging的存在可以在电动自行车、无人机和机器人等设备中感受到。例如，一辆表现出显著cogging的电动自行车可能在低速时难以提供平稳的骑行。骑行者可能会在踩踏时体验到突然的颠簸或缺乏响应，这会影响整体用户体验。同样，在机器人领域，精确运动至关重要，cogging可能会妨碍机器人手臂执行精细任务的能力。总之，cogging是电气工程领域中的一个重要概念，影响电动机的性能和效率。通过理解cogging的原因和影响，工程师可以制定策略来最小化其影响，从而提高机器的性能和改善用户体验。随着技术的不断进步，对cogging的研究将继续成为那些希望创新和改进电动机设计的人的关键关注领域。