Topic
Inductive sensor
About: Inductive sensor is a research topic. Over the lifetime, 2282 publications have been published within this topic receiving 21984 citations.
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TL;DR: To increase operator safety in robotic working cells, a capacitive sensor for the detection of humans has been developed and some practical experiments are presented.
Abstract: To increase operator safety in robotic working cells, a capacitive sensor for the detection of humans has been developed. The sensor consists of two electrically conducting planes, insulated electrically from the ambient. When the dielectric or conductive conditions in the space between the planes are altered, e.g. a person enters, the sensor will indicate the presence of the person. The strength of the electric field caused by the sensor is kept low by lock-in amplifier technique. In the article the basic detection principle, the sensor electronics and the sensor signal handling are described and some practical experiments are presented.
6 citations
TL;DR: In this article, an affine relationship between the sensor's normalised impedance and the distance between two plates of a metallic assembly is brought to light both by the experiment and by finite elements computations.
Abstract: A study of the interactions between a cup-core eddy current sensor and a metallic layered structure is reported. An affine relationship between the sensor's normalised impedance and the distance between two plates of a metallic assembly is brought to light both by the experiment and by finite elements computations.
6 citations
Patent•
15 Apr 2015
TL;DR: In this article, a flat layer speed sensor, a car door switch detection sensor and a human body inductive sensor are used to detect the open-close state of an elevator car door, and an input end of the microcontroller is connected with the data transmission unit.
Abstract: The utility model discloses an elevator running safety monitoring system, which comprises a flat layer speed sensor, a car door open/close detection sensor, a human body inductive sensor, a microcontroller and a data transmission unit, wherein the flat layer speed sensor is used to detect ascending and descending states of an elevator, the car door switch detection sensor is used to detect the open-close state of an elevator car door, the human body inductive sensor is used to detect whether someone is inside the elevator car, an input end of the microcontroller is connected with the flat layer speed sensor, the car door open-close detection sensor and the human body inductive sensor, an output end of the microcontroller is connected with the data transmission unit, and the data transmission unit is connected with an elevator remote safety service platform through a wireless network The elevator running safety monitoring system can achieve real-time monitoring of running state of an elevator and effective assessment of elevator health condition
6 citations
01 Jan 2019
TL;DR: In this paper, the authors demonstrate the monolithic/vertical integration of piezo-resistive tactile and inductive proximity sensing units using standard TSMC CMOS process and demonstrate the tactile and proximity sensing capabilities.
Abstract: This study demonstrates the monolithic/vertical integration of piezo-resistive tactile and inductive proximity sensing units using standard TSMC CMOS process (Fig. 1). Before contact, the proximity sensing of object is achieved by inductance change of spiral coil; after contact, the tactile load from object is detected by resistance change of bent piezo-resistors (Fig. 1b). The proposed sensor design to offer the proximity/tactile sensing capabilities has four merits: (1) tactile and proximity sensing units can be vertically implemented and integrated on one chip, (2) no interference between two sensing mechanisms to enable sensing units working independently, (3) simultaneous detection for proximity/tactile is achieved to enable continuous object monitoring before/after contact, (4) footprint reduction of sensing chip due to vertical-integrated design. Measurements indicate the sensitivity of tactile unit is 0.73mV/N (loading range: 0-2N), sensing distance of proximity unit is 2.5mm for stainless steel object, and simultaneous/continuous detection for tactile and proximity are also demonstrated.
6 citations
01 Sep 2020
TL;DR: An automated metal detecting rover-robot which can be operated by remote to help in the landmine detection and shows high metal detection ability which is competent enough to be used in the applications in landmine covered regions.
Abstract: This paper present an automated metal detecting rover-robot which can be operated by remote to help in the landmine detection. The objective of this metal detector robot is to identify the landmines in war-affected rehabilitation places. The detection of landmines through this proposed method is free of risk and less human effort. Integration of inductive sensor, video camera and ATUNO microcontroller are used here to discover landmines. The system functions using radio frequency (RF) module for device control and Bluetooth module for communication between operator and robot. While experimenting, this robot shows high metal detection ability which is competent enough to be used in the applications in landmine covered regions.
6 citations