Evolvable hardware (EHW) realizes circuit function through evolution. It may be viewed as the combination of EAs (evolutionary algorithms) and PLDs (programmable logic devices). At present the main problem is that the...Evolvable hardware (EHW) realizes circuit function through evolution. It may be viewed as the combination of EAs (evolutionary algorithms) and PLDs (programmable logic devices). At present the main problem is that the speed of evolution is too slow. In order to tackle the problem, we must do work from two aspects: algorithm and device structure. This paper presents a function PLD as a new EHW's structure. So the efficiency of coding is improved, and evolution is sped up. A 4-bit comparator is successfully completed.展开更多
文摘Evolvable hardware (EHW) realizes circuit function through evolution. It may be viewed as the combination of EAs (evolutionary algorithms) and PLDs (programmable logic devices). At present the main problem is that the speed of evolution is too slow. In order to tackle the problem, we must do work from two aspects: algorithm and device structure. This paper presents a function PLD as a new EHW's structure. So the efficiency of coding is improved, and evolution is sped up. A 4-bit comparator is successfully completed.