introduction: although patients do not experience sever pain after laparoscopic surgery, most of them experience acute or chronic pain afterward. while conventional pain killers including nsaid and narcotics in laparoscopic surgery have specific side effects, their application is inevitable. this study compares the efficacy of local anesthetic drugs and conventional pain killers in post-operati...

Inventory or material balance control is an important part of process control. In the literature, many rules have been proposed to help in designing such systems, but their justification is often unclear. The main contribution of this paper is to propose the more general localconsistency rule for evaluating inventory control systems. Consistency means that the steadystate mass balances (total, ...

This paper deals with a class of optimal control problems governed by elliptic equations with nonlinear boundary condition. The case of boundary control is studied. Pointwise constraints on the control and certain equality and set{constraints on the state are considered. Second order suucient conditions for local optimality of controls are established.

extensive research has been devoted to economic production quantity (epq) problem. however, little atten-tion has been paid to problems where depreciation cost and process quality cost must be considered, simulta-neously. in this paper, we consider the economic production quantity model of minimizing the annual total cost subject to depreciation cost and process quality cost, where depreciation...

The paper is devoted to the local classification of generic control-affine systems on an n-dimensional manifold with scalar input for any n ≥ 4 or with two inputs for n = 4 and n = 5, up to state-feedback transformations, preserving the affine structure (in C∞ category for n = 4 and Cω category for n ≥ 5). First using the Poincare series of moduli numbers we introduce the intrinsic numbers of f...

A minimal sufficient condition for global optimality involving the Darboux point, analogous to the minimal sufficient condition of local optimality involving the conjugate point, is presented. The Darboux point is then characterized for optimal control problems with linear dynamics, cost functionals with a general terminal state term and an integrand quadratic in the state and control, and gene...

This paper examines event-triggered broadcasting of state information in distributed networked systems. Event-triggering has the agent broadcast its state information when its local “error” signal exceeds a given threshold. We present a decentralized approach for determining event-triggering thresholds for nonlinear subsystems with the assumption that each agent only has access to its local sta...

We extend the approach in Yang (2010) for identifying locally optimal designs for nonlinear models. Conceptually the extension is relatively simple, but the consequences in terms of applications are profound. As we will demonstrate, we can now study locally optimal designs for a much larger class of models than hitherto.

Brucellosis in humans and animals is a worldwide problem and its control still remains a goal for Veterinary and Health Authorities in several countries. The choice of a control strategy depends on a number of factors such as animal husbandry practices, social customs, infrastructure and the epidemiological pattern of the disease as well as organisation of veterinary services, economy and polit...