Appreciation: Dr. H. M. S. S. D. Herath

Dr H. S. Davidson

interests of this ancient Society; we recall the occasions on which, by means of papers and discussion, he contributed so profitably to our deliberations out of his large experience; but we remember, perhaps, more even than these, the appeal of a personality that charmed us alike by its simplicity, its sympathy and its sincerity. The loss the Society has sustained in the death of Davidson is a ...

Dr. W. H. S. Walker

D Esign and M Odelling of S Tandalone H Ybrid P Ower S Ystem with M Atlab / S Imulink

This paper presents a standalone hybrid power system using wind/PV/diesel/Battery energy system with Matlab/Simulink environment. PV & Wind are the primary power sources of the system and battery is used as a backup for long run application. Here we have also compare the performance of PV/Wind/Battery connected system with PV/Wind/Diesel connected hybrid power system. The most frequently used r...

M M  O-b D S

We propose an alternative characterisation of object-based distributed systems in terms of algebraic structures and topological spaces. Some examples are given in order to attest the adequacy of this approach to the subject. We also illustrate a method of transference of results from these mathematical theories that can further contribute to the advancement of distributed systems theory.

M Etamodel for S Ervice D Esign and S Ervice

This paper presents a metamodel that addresses service system design and innovation by traversing and integrating three essential layers, service activities, service systems, and value constellations. The metamodel's approach to service systems as service-inoperation is an alternative to another currently used approach that views service systems as systems of economic exchange. The metamodel ad...