greatly on the management capacity of the team of administrators in the enterprise. The study selected research scope in Vietnam, to survey of 316 SMEs of different business sectors and territories. The study results showed that, the role of management capacity for the SD (SD) of SMEs in Vietnam very important, the influence level of management capacity has a greater than other factors as: State and local support policies, innovation consciousness, corporate social responsibility, finance and human resources.

design formula is constructed via backstepping technique. Following that, the control signal is designed based on sliding mode control (SMC) algorithm, and thus lead to the controller that has the advantages of these two control laws.