This paper studies dependability of software implementation of DMC (Dynamic Matrix Control) and GPC (Generalised Predictive Control) Model Predictive Control (MPC) algorithms. Explicit formulation of algorithms is considered in which the control laws are calculated off-line. Dependability is evaluated usig software implemented fault injection approach. Tests are performed in the control system ...

Separation of duties is an important, real-world requirement that access control models should support. In 13], Sandhu introduced the transaction control expression (TCE) for specifying dynamic separation of duties. In this paper we consider the implementation of TCEs in the typed access matrix model (TAM) recently proposed by Sandhu 16]. We show that TAM requires extension for satisfactory han...

Separation of duties is an important, real-world requirement that access control models should support. In [13], Sandhu introduced the transaction control expression (TCE) for specifying dynamic separation of duties. In this paper we consider the implementation of TCEs in the typed access matrix model (TAM) recently proposed by Sandhu [16]. We show that TAM requires extension for satisfactory h...

This paper presents a direct power control (DPC) for three-phase matrix converters operating as unified power flow controllers (UPFCs). Matrix converters (MCs) allow the direct ac/ac power conversion without dc energy storage links; therefore, the MC-based UPFC (MCUPFC) has reduced volume and cost, reduced capacitor power losses, together with higher reliability. Theoretical principles of direc...

in this paper, the numerical technique based on hybrid bernoulli and block-pulse functions has been developed to approximate the solution of system of linear volterra integral equations. system of volterra integral equations arose in many physical problems such as elastodynamic, quasi-static visco-elasticity and magneto-electro-elastic dynamic problems. these functions are formed by the hybridi...

Dynamic models play an important role in parallel manipulators simulation and control. Mainly in the later case, the efficiency of the involved computations is of paramount importance, because manipulator real-time control is usually necessary (Zhao & Gao, 2009). The dynamic model of a parallel manipulator operating in free space can be represented in Cartesian coordinates by a system of nonlin...

Autonomous control means the decentralised coordination of intelligent logistic objects and the routing through a logistic system by the intelligent parts themselves. This paper shows the application of a pheromone based autonomous control method to a matrix model of a shop floor and compares the performance to an earlier developed method in different dynamic demand situations. The dicrete even...

in this paper we consider the problem of delay-dependent robusth1 control for uncertain fuzzy systems with time-varying delay. the takagi–sugeno (t–s) fuzzy model is used to describe such systems. time-delay isassumed to have lower and upper bounds. based on the lyapunov-krasovskiifunctional method, a sufficient condition for the existence of a robust $h_{infty}$controller is obtained. the fuzz...

the study addresses performance control matrix (pcm) to determine service quality items of priority for improvement. most businesses focus on customer satisfaction when undertaking surveys of satisfaction and dissatisfaction, while generally neglecting employee satisfaction. therefore, this study develops an integrated model to improve service quality in taiwanese finance industry employees. a ...