ȭ ˰ ȭ Ž ν ־ Լ(cost function) ּȭ Ǵ ִȭϴ ظ ãƳ ǻ ĪѴ. ȭ ˰ ã ϴ 䱸 ؿ ũ ȭ (global optimization method) ȭ (local optimization method) . ȭ ټ ð ɸ ü Ž ظ ã ǥ ϸ, ȭ ܽð Ϻ Ž ظ ã ǥ Ѵ.
ǿ ȭ Genetic Algorithm, Particle Swarm Optimization ٷ , ȭ Pattern Search, Mesh Adaptive Direct Search, Prediction Error Method ϰ ִ. Ư ǿ ȭ Dynamic Encoding Algorithm for Searches(DEAS) Ǽ(real number) ȭ о߿ ְ Ž ϰ , Ķ ĺ, PID , PMSM ھ , ӳ̵ κ Ǿ ȭ ߴ.
DEAS ⺻ Ž session exhaustive DEAS(eDEAS), univariate DEAS(uDEAS), modular DEAS(mDEAS), intelligent DEAS(iDEAS) ø ߵǸ Ž ̷ ִ.