The progress in the development and studying of new methods of producing electric energy, based on direct conversion of heat, light, fuel or chemical energy into electric energy, raises the problem of more effective use of their power characteristics.Disclosure is made of a self-optimizing control system for an object with a unimodal quality function. The system comprises an object, a divider, a band-pass filter, an averaging filter, a multiplier, a final control element, an adder and further includes a search signal generator.The fashion and the system are presented in the USSR No. 684510, in the USA No. 4179730, in France No. 2386854, in Germany No. 2814963, in Japan No. 1369882.