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Intrinsic Hardware Evolution for the Design and Reconfiguration of Analog Speed Controllers for a DC MotorEvolvable hardware provides the capability to evolve analog circuits to produce amplifier and filter functions. Conventional analog controller designs employ these same functions. Analog controllers for the control of the shaft speed of a DC motor are evolved on an evolvable hardware platform utilizing a second generation Field Programmable Transistor Array (FPTA2). The performance of an evolved controller is compared to that of a conventional proportional-integral (PI) controller. It is shown that hardware evolution is able to create a compact design that provides good performance, while using considerably less functional electronic components than the conventional design. Additionally, the use of hardware evolution to provide fault tolerance by reconfiguring the design is explored. Experimental results are presented showing that significant recovery of capability can be made in the face of damaging induced faults.
Document ID
Document Type
Gwaltney, David A. (NASA Marshall Space Flight Center Huntsville, AL, United States)
Ferguson, Michael I. (Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
August 21, 2013
Publication Date
January 1, 2003
Subject Category
Electronics and Electrical Engineering
Meeting Information
2003 NASA/DoD Conference on Evolvable Hardware(Chicago, IL)
Distribution Limits
Work of the US Gov. Public Use Permitted.
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