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Article
Publication date: 1 April 1980

L. Marce, M. Julliere, H. Place and H. Perrichot

Mobile robots offer more flexibility and scope than the fixed single arm type. French researchers are putting considerable effort into developing such devices and here…

Abstract

Mobile robots offer more flexibility and scope than the fixed single arm type. French researchers are putting considerable effort into developing such devices and here results of their efforts are described.

Details

Industrial Robot: An International Journal, vol. 7 no. 4
Type: Research Article
ISSN: 0143-991X

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Article
Publication date: 16 October 2019

Piyush Tankwal, Vikas Nehra, Sanjay Prajapati and Brajesh Kumar Kaushik

The purpose of this paper is to analyze and compare the characteristics of hybrid conventional complementary metal oxide semiconductor/magnetic tunnel junction (CMOS/MTJ…

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Abstract

Purpose

The purpose of this paper is to analyze and compare the characteristics of hybrid conventional complementary metal oxide semiconductor/magnetic tunnel junction (CMOS/MTJ) logic gates based on spin transfer torque (STT) and differential spin Hall effect (DSHE) magnetic random access memory (MRAM).

Design/methodology/approach

Spintronics technology can be used as an alternative to CMOS technology as it is having comparatively low power dissipation, non-volatility, high density and high endurance. MTJ is the basic spin based device that stores data in form of electron spin instead of charge. Two mechanisms, namely, STT and SHE, are used to switch the magnetization of MTJ.

Findings

It is observed that the power consumption in DSHE based logic gates is 95.6% less than the STT based gates. DSHE-based write circuit consumes only 5.28 fJ energy per bit.

Originality/value

This paper describes how the DSHE-MRAM is more effective for implementing logic circuits in comparison to STT-MRAM.

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Article
Publication date: 1 March 1982

S. Monchaud and R. Prat

A simple ultrasonic sensor coupled with a colour sensing system has been designed and built in the laboratory of the French National Institute of Applied Science at…

Abstract

A simple ultrasonic sensor coupled with a colour sensing system has been designed and built in the laboratory of the French National Institute of Applied Science at Rennes, and mounted on the laboratory's VESA mobile robot. It can distinguish simple configurations of obstacles and measure their distance from the robot, and within certain limits of illumination can classify obstacles to eight reference colours.

Details

Sensor Review, vol. 2 no. 3
Type: Research Article
ISSN: 0260-2288

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