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Computer aided rehabilitation of sewer and storm water networks

Saegrov S., Konig A.

Prace Naukowe Instytutu Inżynierii Lądowej Politechniki Wrocławskiej. Konferencje

2005

Vol. 53, nr 20

336-347

Sewer and storm water systems in cities worldwide suffer from ageing and inappropriate wastewater networks. This challenge has to be met by systematic upgrading and preventive maintenance. It is necessary to analyse the current performance of the wastewater networks, to determine the system bottlenecks that cause system vulnerability on floods in city areas and pollution of receiving waters. The next task is then to use this information for selecting and ranking upgrading projects to improve the situation. CARE-S is a computer based system developed to meet this challenge. It is designed for sewer and storm water network rehabilitation planning. It provides fundamental instruments for estimating the current and future condition of sewer networks, i.e. performance indicators, selecting and ranking of rehabilitation projects and long-term investment needs. The procedure for selection and ranking of projects is supported by tools for analysis of structural failures and hydraulic performance. Socio-economic issues are also included in the priority ranking process of CARE-S.

Sieci kanalizacji deszczowej i sanitarnej doświadczają starzenia. Aby stawić czoła temu wyzwaniu należy nieustannie utrzymywać dobry stan techniczny. Niezbędna jest analiza bieżącego stanu technicznego sieci kanalizacyjnej w celu określenia słabych punktów jako potencjalnych przyczyn zalewania terenów miejskich i zanieczyszczenia wody. Następnym zadaniem jest wykorzystanie tych informacji do celów selekcji i kolejkowania zadań służących podnoszeniu stanu technicznego.

VirEn : A virtual endoscopy system

Vilanova A., Konig A., Groller E.

Machine Graphics and Vision

1999

Vol. 8, No. 3

469-487

Virtual endoscopy systems are promising tools for the simplification of daily clinical procedures. In this paper, a conceptual framework for a virtual endoscopy system (VirEn) is proposed, which is indented to be an interactive system. So far, out efforts have concentrated on some elements of the system. The generation of an optimal path for the automated navigation is one of them. Extensions to existing thinning algorithms used to generate the optimal path are presented and discussed. First results produced with VirEn are shown.