The OGY Control of Chaos Signal Improved by the Reconstruction of Phase Space

In the traditional OGY control the system parameter variable whose available adjustable range is limited is related with the distance between system state variable and UPO (Unstable Periodic Orbit), so state variable being nearby UPO only causes chaos signal OGY control. Whereas the state variable cannot often keep nearby UPO, and the traditional chaos signal OGY control takes much time. Against that the imperfectness of space distribution of the system state variable makes OGY unable to start, we design the system state variable nearby UPO using the maximum Lyapunov exponent gained by the reconstruction of phase space. Artificially changing the imperfect state variable space distribution relatively reduces start-up threshold so as to improve the efficiency of OGY control. The time consumption of chaos control done by the OGY control method modified is shorter than the traditional OGY control. Real time signal proceeding ability can be improved by the way in chaos control application.