Part-time studies of the MSc program as source of number of technical and scientific innovations in Automation and Computer Based Systems Engineering at Faculty of Electrical Engineering of SS Cyril and Methodius University in Skopje, are run for more than 15 years. This innovation in Unmanned Aerial Vehicles (UAV's) is the most recent one. By definition, navigation is a process of determining the navigational parameters of the centre of mass, of the moving object. The system that provides us the navigational parameters is called Navigation System. The most used Navigation Systems, developed for a wide range of vehicles, are Inertial Navigation System (INS) and Global Positioning System (GPS). These two systems have their advantages and disadvantages, which makes them complementary. The best estimates of the aircraft position, velocity and attitude can be obtained by GPS/INS integration employing Kalman filter implementation. Kalman filtering is a form of optimal estimation characterized by recursive evaluation, and an internal model of the dynamics of the system being estimated
The problem of robust output feedback control for a class of uncertain switching fuzzy time-delay systems via common Lyapunov function and multiple Lyapunov function methods is solved. Based on employing Parallel Distributed Compensation strategy, the fuzzy output feedback controllers are designed such that the corresponding closed-loop system possesses stability and robustness for all admissible uncertainties. An illustrative example and the respective simulation results are given to demonstrate the effectiveness and feasible control performance of the proposed design synthesis.
A case study of two-level and set point-oriented controls in complex industrial heating plants has been carried out. Task-oriented controls occur at command and supervision level in conjunction with human process operator, while set-point controls occur at regulation level of energy conversion and heating process. Fuzzy logic control is involved on the second control level on the basis of products quality control. The control system has been implemented in factory for clay-brick productions "KIK" in Kumanovo. A suitable and intelligent automation can save energy and therefore costs.
Dimirovski, Georgi M. (Dogus Author) -- Conference full title: 2012 6th IEEE International Conference Intelligent Systems, Sofia, Bulgaria, September 6-8.This paper overviews recent advances in the field of switched fuzzy systems, switched systems whose subsystems are fuzzy systems, followed by the comparative study for this kind of systems. Starting with the basic ideas of switched fuzzy systems, the comparative study is aimed in introducing the diverse approaches in their model construction, as well as the challenges related with the stability analysis and stabilization of such systems. The last includes the issue of stability analysis and finding conditions for existence of switched fuzzy controllers which will stabilize the nonlinear system.The Ss Cyril and Methodius Universit
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