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相关概念视频

Equivalent Capacitance01:19

Equivalent Capacitance

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From the study of resistive circuits, it is understood that employing a series-parallel combination serves as an effective strategy for simplifying circuits. Capacitors can be arranged within a circuit in one of two ways: a series configuration or a parallel configuration. The way these capacitors are connected to a battery will influence both the potential drop across each individual capacitor and the size of the charge that each capacitor can store. This is determined by the specific type of...
705
Equivalent Capacitance01:19

Equivalent Capacitance

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Multiple capacitors can be connected in a circuit in series or parallel configuration. When the capacitor combination is connected to a battery, the potential drop across each capacitor and the magnitude of charge stored in the individual capacitor depends on the type of the connection. The capacitor combination is replaced by a single equivalent capacitor that stores the same amount of charge as the combination for a given potential difference.
The following strategies are adopted to calculate...
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Capacitors and Capacitance01:18

Capacitors and Capacitance

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A device consisting of two electrical conductors that are separated by a distance and used to store electrical charges is called a capacitor. The space between the conductors is either a vacuum or an insulating material, called a dielectric. Capacitors have many applications, ranging from filtering static from radio reception to energy storage in heart defibrillators.
When the conductors are two identical parallel plates, it is called a parallel plate capacitor. When battery terminals are...
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Design Example: Capacitance Multiplier Circuit01:20

Design Example: Capacitance Multiplier Circuit

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In integrated circuit technology, a capacitance multiplier is often utilized to produce a larger capacitance value when a small physical capacitance falls short. This is achieved by a circuit that multiplies capacitance values by a factor of up to 1000, such that a 10-pF capacitor can replicate the performance of a 100-nF capacitor.
The circuit illustrated in Figure 1 below incorporates two op-amps, with the first operating as a voltage follower and the second acting as an inverting amplifier.
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Capacitance: Single-Phase And Three-Phase Line01:25

Capacitance: Single-Phase And Three-Phase Line

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In electrical power systems, understanding the capacitance of transmission lines is fundamental for efficient operation.
Single-Phase Lines
Consider a single-phase, two-wire transmission line with equal phase spacing energized by a voltage source. One conductor carries a uniform positive charge, while the other carries an equal negative charge. The capacitance C of the line can be derived from the voltage V between the conductors. For a one-meter section of the line, the capacitance is given...
603
Local Attraction01:22

Local Attraction

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Local attraction refers to disturbances in compass readings caused by magnetic influences from nearby objects such as metal fences, buried pipes, vehicles, buildings, power lines, or natural iron ore deposits. Small items like wristwatches, steel tools, or belt buckles can also interfere with the compass by creating local magnetic fields that distort the Earth's natural magnetic field. These distortions lead to inaccurate readings, posing navigation and land surveying challenges.Local...
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Non-Invasive Modulation and Robotic Mapping of Motor Cortex in the Developing Brain
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开发一个机器人辅助的TMS定位系统,使用双电容传感器来检测线圈倾斜.

Czaryn Diane Salazar Ompico1, Julius Noel Banayo2, Yamato Mashio1

  • 1Systems and Bioengineering Department, Faculty of Engineering, Maebashi Institute of Technology, Maebashi 371-0816, Gunma, Japan.

Sensors (Basel, Switzerland)
|January 28, 2026
PubMed
概括

本研究介绍了一种具有成本效益,无标记的机器人系统,用于跨磁刺激 (TMS) 线圈的放置. 它通过使用深度摄像头和传感器来提高准确性和一致性,简化了TMS程序.

关键词:
三维摄像机的3D摄像机跨的磁性刺激是什么电容传感器 电容传感器线圈的定位线圈的定位机器人辅助的TMS系统倾斜检测检测 倾斜检测 倾斜检测

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科学领域:

  • 神经学 神经学
  • 机器人技术 机器人技术 机器人技术
  • 生物医学工程 生物医学工程

背景情况:

  • 跨磁刺激 (TMS) 的有效性取决于线圈的精确位置.
  • 目前的方法,如手动本地化是不一致的,而先进的系统是复杂和昂贵的.
  • 机器人辅助和神经导航系统提供准确性,但增加了设置负担.

研究的目的:

  • 开发一个具有成本效益的,无标记机器人辅助的TMS系统,用于精确的线圈定位.
  • 提高TMS程序的可访问性,安全性和一致性.
  • 为了减少与光学跟踪系统相关的复杂性.

主要方法:

  • 一个3D深度摄像头检测面部地标,以定位运动皮层 (C3).
  • 织物电容传感器提供软着陆,接触确认和线圈倾斜估计.
  • 一个协作机器人遵守人机交互安全标准.

主要成果:

  • 在与参与者的实验评估中实现了可靠的C3向.
  • 在大多数试验中,有效的运动唤起潜力 (MEP) 是在校准后获得的.
  • 在80%的倾斜验证试验中,峰值MEP振幅与平衡的传感器读数相关.

结论:

  • 无标记机器人系统为复杂的光学跟踪提供了更简单,更容易获得的替代方案.
  • 开发的系统提高了TMS线圈放置的安全性和一致性.
  • 这种方法有可能扩大TMS在研究和治疗中的应用.