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2 Annals of Computer Science and Information Systems

2 2021

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The role of management capacity for the SD of small and medium enterprises in Vietnam

100%

Hai H. D. , Manh C. N.

Annals of Computer Science and Information Systems

2021

tom Vol. 28

117--120

In the context of increasingly extensive international integration, the 4th industrial revolution is expanding to all areas of production. That is increasingly expanding and putting into practice, the sustainable development (SD) of enterprises of small and medium enterprises (SMEs) depends 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.

State observer-based backstepping sliding mode control for electro-hydraulic systems

61%

Tan T. , Duc N. Q. , Minh L. N. , Manh C. N. , Nguyen D. H. , Nguyen T. L.

Annals of Computer Science and Information Systems

2021

tom Vol. 27

77-80

In the paper, a control method using backstepping integrated with sliding mode control based on high-gain observer is proposed for an Electro-Hydraulic system (EHS). The observer is dedicated to estimate full-state variables by using output position feedback. In the initial step, the control 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.