NASA Logo

NTRS

NTRS - NASA Technical Reports Server

Back to Results
Transistor Level Circuit Experiments using Evolvable HardwareThe Jet Propulsion Laboratory (JPL) performs research in fault tolerant, long life, and space survivable electronics for the National Aeronautics and Space Administration (NASA). With that focus, JPL has been involved in Evolvable Hardware (EHW) technology research for the past several years. We have advanced the technology not only by simulation and evolution experiments, but also by designing, fabricating, and evolving a variety of transistor-based analog and digital circuits at the chip level. EHW refers to self-configuration of electronic hardware by evolutionary/genetic search mechanisms, thereby maintaining existing functionality in the presence of degradations due to aging, temperature, and radiation. In addition, EHW has the capability to reconfigure itself for new functionality when required for mission changes or encountered opportunities. Evolution experiments are performed using a genetic algorithm running on a DSP as the reconfiguration mechanism and controlling the evolvable hardware mounted on a self-contained circuit board. Rapid reconfiguration allows convergence to circuit solutions in the order of seconds. The paper illustrates hardware evolution results of electronic circuits and their ability to perform under 230 C temperature as well as radiations of up to 250 kRad.
Document ID
20090019040
Acquisition Source
Jet Propulsion Laboratory
Document Type
Conference Paper
External Source(s)
Authors
Stoica, A.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Zebulum, R. S.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Keymeulen, D.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Ferguson, M. I.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Daud, Taher
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Thakoor, A.
(Jet Propulsion Lab., California Inst. of Tech. Pasadena, CA, United States)
Date Acquired
August 24, 2013
Publication Date
June 15, 2005
Subject Category
Electronics And Electrical Engineering
Meeting Information
Meeting: International Work-conference on the Interplay between Natural and Artificial Computation
Location: Canary Islands
Country: Spain
Start Date: June 15, 2005
End Date: June 18, 2005
Distribution Limits
Public
Copyright
Other
Keywords
self configuration
Evolvable hardware

Available Downloads

There are no available downloads for this record.
No Preview Available