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相关概念视频

Design Example: Resistive Touchscreen01:14

Design Example: Resistive Touchscreen

314
A device engineer plays a crucial role in designing user interfaces for mobile devices. One such interface is the resistive touchscreen, which fundamentally consists of two metallic layers: a flexible upper layer and a rigid lower layer, separated by a narrow gap. The high resistance between these two layers is a key characteristic of this design.
When a user touches the screen, the two layers make contact at a specific point known as the touchpoint. This contact reduces the resistance between...
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Muscle Stimulation Frequency01:22

Muscle Stimulation Frequency

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The contraction strength of muscles is regulated by motor neurons, which modulate the frequency of action potentials dispatched to the motor units based on the body's requirements. This process of varying the muscle stimulation frequency allows muscles to contract with a force that is precisely tailored to the needs of the moment, whether lifting a feather or a heavy box.
Wave summation
At low firing rates, motor neurons induce individual twitch contractions in muscle fibers. These twitches...
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相关实验视频

Updated: Jul 5, 2025

Haptic/Graphic Rehabilitation: Integrating a Robot into a Virtual Environment Library and Applying it to Stroke Therapy
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Haptic/Graphic Rehabilitation: Integrating a Robot into a Virtual Environment Library and Applying it to Stroke Therapy

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触觉交互受可变延迟的影响.

Chantal Hutchison, Joseph Hewlett, Siamak Arbatani

    IEEE transactions on haptics
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    此摘要是机器生成的。

    使用新的DelayRIM方法的模型介导远程操作 (MMT) 通过补偿通信延迟来增强触觉反. 这种方法提高了系统的透明度,即使有可变的延迟,也不需要知道延迟分布.

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    相关实验视频

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    科学领域:

    • 机器人和人机交互的人机交互
    • 控制系统工程 控制系统工程

    背景情况:

    • 模型介导远程操作 (MMT) 使用本地环境模型补偿通信延迟.
    • 现有的MMT方法通常是具体的,需要已知的延迟分布.
    • 这限制了远程操作系统的适用性和稳定性.

    研究的目的:

    • 引入一种新的方法,即DelayRIM,用于在MMT中强大的延迟补偿.
    • 开发一种不需要先前了解延迟分布的方法.
    • 提高具有可变延迟的远程操作系统的透明度和性能.

    主要方法:

    • 延迟RIM利用减少接口模型 (RIM) 的时间步骤来处理延迟的信息.
    • 它向触觉装置提供最新的力量反.
    • 该方法在虚拟无人机双边远程操作场景中进行了测试,具有现实的可变延迟.

    主要成果:

    • 尽管有通信延迟,但DelayRIM有效地提供最新的力量反.
    • 与其他方法相比,它在可变延迟条件下显示了更好的透明度.
    • 该方法在虚拟无人机远程操作任务中显示出显著的性能提升.

    结论:

    • 延迟RIM为MMT中的延迟补偿提供了一种新且有效的解决方案.
    • 它与延迟分布假设的独立性使其广泛适用于各种物理和虚拟系统.
    • 这种方法提高了远程操作的性能和透明度,特别是在具有挑战性的,可变延迟的环境中.