IEEE Transactions on Very Large Scale Integration (VLSI) Systems - Special issue on low power electronics and design
Evolving Circuits in Seconds: Experiments with a Stand-Alone Board-Level Evolvable System
EH '02 Proceedings of the 2002 NASA/DoD Conference on Evolvable Hardware (EH'02)
Evolvable Hardware Solutions For Extreme Temperature Electronics
EH '01 Proceedings of the The 3rd NASA/DoD Workshop on Evolvable Hardware
Automatic evolution of signal separators using reconfigurable hardware
ICES'03 Proceedings of the 5th international conference on Evolvable systems: from biology to hardware
Exact combinational logic synthesis and non-standard circuit design
Proceedings of the 5th conference on Computing frontiers
Research on fault-tolerance of analog circuits based on evolvable hardware
ICES'07 Proceedings of the 7th international conference on Evolvable systems: from biology to hardware
ICES'10 Proceedings of the 9th international conference on Evolvable systems: from biology to hardware
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The 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 280C temperature as well as radiations of up to 175kRad.