Power Electronics and Motor Drives: Advanced and Trends

Chapter 10: Fuzzy Logic and Applications

Overview

  • HUMAN BRAIN WITH BIOLOGICAL NEURAL NETWORK HAS NATURAL INTELLIGENCE-ABILITY TO LEARN, REASON, AND COMPREHEND

  • GOAL OF AI - PLANTING HUMAN INTELLIGENCE IN COMPUTER SO THAT A COMPUTER CAN THINK INTELLIGENTLY LIKE A HUMAN BEING

  • CAN A COMPUTER REALLY THINK AND MAKE INTELLIGENT DECISIONS?

  • COMPUTER INTELLIGENCE - FAR INFERIOR TO NATURAL INTELLIGENCE. HOWEVER, IT HELPS TO SOLVE COMPLEX PROBLEMS

  • AI TECHNIQUES ARE USED EXTENSIVELY IN

    • INDUSTRIAL PROCESS CONTROL

    • GEOLOGY

    • MEDICINE

    • INFORMATION MANAGEMENT

    • MILITARY SYSTEM

    • SPACE TECHNOLOGY, ETC.


Figure 10.1: What is artificial intelligence (AI)?

Fuzzy logic is a part of artificial intelligence (AI), which is an important branch of computer science or computer engineering. Recently, AI techniques are making a serious impact in electrical engineering, particularly in the area of power electronics and motor drives. AI is basically computer emulation of human thinking (called computational intelligence). The human brain is the most complex machine on earth. Neurobiologists have taken a bottom-up approach to understand the brain structure and its functioning, and the psychologists and psychiatrists have taken the top-down approach to understanding the human thinking process. However, our understanding of the brain and its behavior has been extremely inadequate. The goal of AI is to mimic human intelligence so that a computer can think like a human being. However complex the human thought process is, there is no denying the fact that computers have adequate intelligence to help solve problems that are difficult to solve by traditional methods. Today, the AI techniques are used in many areas that include...

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