The Chua system, the Lorenz system, the Chen system and The L\"u system are
chaotic systems that their state space equations is very similar to Haken
system which is a nonlinear model of a optical slow-fast system. These
Haken-Like Sys-tems have very similar properties. All have two slow but
unstable eigenvalues and one fastest but stable eigenvalue. This lets that an
approximation of slow manifold be equivalent with unstable manifold of the
system. In other hand, control of discreet model of the system on a defined
manifold (Poincare map) is main essence of some important control methods of
chaotic systems for example OGY method. Here, by using different methods of
defining slow manifold of the H-L systems the efficiency of the OGY control for
stabilizing problem investigated.Comment: 4 page