基于无线供电无源谐振的人类协作机器人全向传感系统

IF 2.2 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Sensors Letters Pub Date : 2024-12-04 DOI:10.1109/LSENS.2024.3511348

Vikas Kumar;Santosh Parajuli;Shivansh Awasthi;Vikash Sharma;Gayatri Ranade;Ankur Gupta;Thomas George Thundat

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引用次数: 0

摘要

这封信提出了无线供电无源谐振的全方位接近和接触传感系统，以提高人类合作机器人（hcr）的人类安全。所提出的系统利用表面无线电力传输（SWPT）方法和无线供电接收器（WPRx），在空闲条件下消耗可忽略不计的功率（~ nW）。WPRx传感架构检测导电物体或人的存在，无论是在附近还是直接接触。WPRx系统通过改变其谐振频率来响应入射物体。此外，给定的SWPT技术允许多个接收器/探测器由单个发射器供电，从而提高了可操作性和效率。WPRx系统的工作频率为3.6 MHz，在无源电路中表现出最小的功耗，大约为几μW (~ 29 μW)，同时提供单比特数字输出。该传感系统适合在现代可移动机械臂上实现，以提高hcr的安全性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Wireless Powered Passive Resonant-Based Omnidirectional Sensing System in Human Cooperative Robots

This letter presents wireless powered passive resonant-based omnidirectional proximity and contact sensing system to enhance human safety in human cooperative robots (HCRs). The proposed system utilizes surface wireless power transfer (SWPT) methodology and wireless powered receiver (WPRx) that consumes negligible power (∼nW) under the idle condition. The WPRx sensing architecture detects the presence of conducting objects or humans, whether in proximity or in direct contact. The WPRx system responds by varying its resonance frequency in reference to the incoming objects. In addition, the given SWPT technique enables multiple receivers/detectors to be powered by a single transmitter, offering enhanced maneuverability and efficiency. The WPRx system is designed to operate at 3.6 MHz, exhibiting minimal power dissipation in the passive circuit, on the order of a few μW (∼29 μW) while providing a single-bit digital output. The sensing system is suitable for implementation on modern movable robotic arms to enhance safety for HCRs.

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来源期刊

IEEE Sensors Letters Engineering-Electrical and Electronic Engineering

CiteScore

3.50

自引率

7.10%

发文量

194