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All Journal JEEE- Journal of Electrical And Electronics Engineering
Hendra J. Tarigan
President University
Aerospace Engineering Chemical Engineering, Chemistry & Bioengineering

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Journal : JEEE- Journal of Electrical And Electronics Engineering

 1 
Blind Belt using Ultrasonic Sensor Arwinanto Sitohang; Ignatius Visnu; Indra Eka Prayoga; Erwin Sitompul; Hendra J. Tarigan
Journal of Electrical And Electronics Engineering Vol 2, No 2 (2018)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (4772.098 KB) | DOI: 10.33021/jeee.v2i2.1083

Abstract

Vision impairment has been common phenomena in this day and age. Many people suffer from this impairment with only a few technological supports to help them in daily life. This project created prototype to help people with vision impairment navigating through space. Built in the form of a belt, this project uses Ultrasonic sensor to detect the surrounding object. It uses three ultrasonic sensors attached to the front, left, and right area of the belt. Whenever an object is detected near any of these three areas, buzzer will be ringing. The buzzer is set in three different tones such that the wearer knows which side of the belt the object is.
Convolution Integral: How a Graphical Type of Solution Can Help Minimize Misconceptions Hendra J. Tarigan
Journal of Electrical And Electronics Engineering Vol 3, No 2 (2019)
Publisher : President University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1126.86 KB) | DOI: 10.33021/jeee.v3i2.1489

Abstract

A physical system, Low Pass Filter (LPF) RC Circuit, which serves as an impulse response and a square wave input signal are utilized to derive the continuous time convolution (convolution integrals). How to set up the limits of integration correctly and how the excitation source convolves with the impulse response are explained using a graphical type of solution. This in turn, help minimize the students’ misconceptions about the convolution integral. Further, the effect of varying the circuit elements on the shape of the convolution output plot is presented allowing students to see the connection between a convolution integral and a physical system. PSpice simulation and experiment results are incorporated and are compared with those of the analytical solution associated with the convolution integral.
Co-Authors Arwinanto Sitohang Erwin Sitompul Ignatius Visnu Indra Eka Prayoga