CSCE 4114 - Embedded Systems

Alexander Nelson

August 26, 2019

University of Arkansas - Department of Computer Science and Computer Engineering

Introduction

What are Embedded Systems?

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1https://www.rs-online.com/designspark/applications-of-embedded-systems-1

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Why Embedded Systems?

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2*8.4 B, 20.4 B

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Why Embedded Systems?

Smartphone (hardware) Market by 2020 - $355 Billion

Smartphone (app/software) Market by 2020 - $74 Billion

(IHS Markit 2017)

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IoT and Embedded Systems

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Lessons from Failures

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Lessons from Failures

Therac-25

Race conditions and improper settings

Up to 100x intended radiation dosage

6+ harmed, 3 dead

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Lessons from Failures

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Lessons from Failures

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Lessons from Failures

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Lessons from Failures

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Lessons from Failures

Thread synchronization issues

caused random resets

Pathfinder started to lose

information

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