The application of SECI model as a framework of knowledge creation in virtual learning Case study of IUST Virtual Classes

The research aims to define SECI model of knowledge creation (socialization, externalization, combination, and internalization) as a framework of Virtual class management which can lead to better online teaching–learning mechanisms as well as knowledge creation. It has used qualitative research methodology including researcher’s close observation and attendance in the online MBA classes of Iran University of Science and Technology for one academic semester as well as semi-structured interviews with the professional facilitators. The article has defined a practical SECI framework in which 4 phases of socialization, externalization, combination, internalization, and their required “ba” contexts are explained with regards to tasks and responsibilities of both students and facilitators.     

Optimal adaptive reset control with guaranteed transient and steady state tracking error bounds

In this paper, a solution for improvement of transient performance in adaptive control of nonlinear systems is proposed. An optimal adaptive controller based on a reset mechanism and a prescribed performance bound is devised. The suggested controller has the structure of adaptive backstepping controller in which the estimated parameters are reset to an optimal value. The designed controller ensures both the transient bound and the asymptotical convergence of the states. It is shown that the tracking error satisfies the prescribed performance bound all the time, besides the speed of the convergence rate is increased by resetting the estimated parameters. The results have been proved through both the analytical and simulation studies. The proposed method is applied to an Augmented Quarter Car Model as a case study. Simulation results verify the established theoretical consequences that the prescribed performance bound based optimal adaptive reset controller can enhance the transient performance of the adaptive controller.