Apparatus and method for tuning a tunable element in a data stor

Details Apparatus and method for tuning a tunable element in a data stor Apparatus and method for tuning a tunable element in a data stor

1998-07-10

2000-11-07

Hafiz, Tariq R.

Data processing: artificial intelligence

Machine learning

Genetic algorithm and genetic programming system

706 12, 706 13, 706 14, G06N 302

Patent

active

061449512

ABSTRACT:
A method is disclosed for tuning parameter values in a recording channel of a data storage device. The parameter values are tuned using a genetic process based on the principles of simulated evolution. An initial population of individuals is generated wherein each individual includes a value for each of a plurality of channel parameters. Fitness values are then calculated for each of the individuals. Individuals are then chosen for mating from the initial population based on the calculated fitness values. The chosen individuals are manipulated using genetic operators to produce a new population of parameter strings. Fitness values are then calculated for the new population and the cycle is repeated. The process is continued until a desired fitness is achieved or a predetermined number of generations have been produced. After the process has ended, an individual is chosen based on fitness values and the channel parameters of the data storage system are set accordingly.

REFERENCES:
patent: 5394509 (1995-02-01), Winston
patent: 5400436 (1995-03-01), Nara et al.
patent: 5428709 (1995-06-01), Banzhaf
patent: 5434796 (1995-07-01), Weininger
patent: 5781699 (1998-07-01), Dittmar et al.

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