Hans-Dietrich Haasis
Karlsruhe Institute of Technology
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Featured researches published by Hans-Dietrich Haasis.
European Journal of Operational Research | 1990
J. Remmers; Th. Morgenstern; G. Schons; Hans-Dietrich Haasis; Otto Rentz
In most of the European countries the level of the ambient air pollution is unsatisfactory. Accordingly, in 1986 the Commission of the European Community started a research project Energy and Environment, with the aim of extending the energy model EFOM by an environmental module and applying it for the analysis of national air pollution control strategies. The study is being carried out by the authors and participating institutes in member countries of the European Community. This report demonstrates the methodological procedure for the integration of emission reduction technologies into the model. Scenarios are defined and, moreover, verified and validated model results from the Federal Republic of Germany are described.
Energy | 1994
Otto Rentz; Hans-Dietrich Haasis; A. Jattke; P. Ruβ; M. Wietschel; M. Amann
The influence of energy-supply structure on emission-reduction costs for SO2 is outlined and evaluated. For this purpose, eight representative countries have been selected for analysing impacts due to different energy scenarios varying in final energy demand, fuel prices, assumed CO2-emission reduction, and country-specific factors. We identify and quantify emission-reduction potentials of a restructuring of national energy systems and energy-conservation measures, as well as impacts on emission-reduction costs. These results are country-specific and are therefore important for ongoing negotiations of international protocols on reductions of SO2.
Energy | 1992
Eckhard Plinke; Mehmet Atak; Hans-Dietrich Haasis; Otto Rentz
As a consequence of the fast-growing energy requirements and the increasing use of low-grade domestic fuels, air pollution has increased considerably in recent years in Turkey. Since the energy demand is projected to continue to increase rapidly also in the future, energy-supply strategies are required to control air-pollutant emissions in a cost-efficient way, taking into account the legal emission-control regulations which have been enforced. In a project carried out by the Institute for Industrial Production (IIP), Karlsruhe, in collaboration with the Gazi University, Ankara, and the responsible official Turkish institutions, cost-efficient future emission-control strategies are being developed for Turkey. This project is financed by the Volkswagen-Stiftung, Hannover. By using the energy-environmental model EFOM-ENV as a tool, cost-efficient mixtures of technological emission-control measures, including fuel switching, substitution of energy-conversion technologies and application of emission-reduction technologies, are being determined for Turkey to comply with different emission-control targets and existing legal regulations. In this paper, the methodological approach of this project and selected results are presented.
GI Jahrestagung | 1992
Hans-Dietrich Haasis; Otto Rentz
Produktionswirtschaftliche Entscheidungen sind zunehmend daran ausgerichtet, neben einer wirtschaftlichen Leistungserstellung im Betrieb ebenfalls einen produktionsintegrierten Umweltschutz zu realisieren und Moglichkeiten der gebotenen Emissions- bzw. Abfallvermeidung, -reduzierung und Reststoffverwertung mit zu berucksichtigen. Zur Unterstutzung dieser Aufgaben konnen computerunterstutzte betriebliche Umweltinformationssysteme eingesetzt werden. Insoweit als diese Systeme uber Dokumentationsaufgaben hinaus ebenfalls Planungsaufgaben wahrnehmen sollen, lassen sie sich etwa in Anlehnung an herkommliche Produktionsplanungs- und -steuerungssysteme (PPS-Systeme) konzipieren. Diese sind jedoch betriebsbezogen um umweltbezogene Datensatze und Funktionalitaten zu erganzen. Entsprechend einem bereichsubergreifenden Ansatz ist fur ein derartiges System dessen informationswirtschaftliche Eingliederung in eine CIM- bzw. CIP-Architektur vorzusehen. In diesem Beitrag werden ausgehend von einer Zusammenstellung der Anforderungen eines produktionsintegrierten Umweltschutzes an die Produktionsplanung und -Steuerung das Anforderungsprofil eines computerunterstutzten “Umwelt-PPS”-Systems aufgezeigt sowie eine Eingliederung eines derartigen Systems in eine informationswirtschaftliche Gesamtvernetzung konzeptionell vorgestellt.
Energy | 1992
Carsten Oder; Hans-Dietrich Haasis; Otto Rentz
The development of energy consumption in Lithuania is investigated on the basis of realistic economic scenarios. The aim is to provide reasonable projections of final energy consumption for selected demand sectors. The main parameters determining consumption are the gross national product (GNP) and the real price for energy. The influences of price level and economic activity during preceding periods are evaluated by using multiple regressions with a quasi-dynamic model. Insofar as these mechanisms cannot be detected for Lithuania, experiences with other former centrally-planned economies, which have already turned into kinds of market economies, are applied to make realistic projections for the transitory period. The underlying scenarios for the GNP and price developments are taken from official Lithuanian projections, but they have been adjusted to allow for the most recent development. The results of the quasi-dynamic model are compared with the official final energy-demand projections to provide policy advice for a proper restructuring of the energy system.
Energy | 1991
J. Zuazagoitia; F. Perelló-Aracena; Hans-Dietrich Haasis; Otto Rentz
Relations have been developed between total final energy consumption, GDP growth and population level for 24 Latin-American countries for the period 1970–1986. These relations have been used to forecast the future energy demand of the energy-consumption sectors for specified population growth and economic-growth scenarios.
OR Spectrum | 1995
Otto Rentz; Hans-Dietrich Haasis; Carsten Oder
This paper provides an insight into the elaboration of strategies for emission reduction at present internationally requested by applying energy-emission models. One of these models, the EC-EFOM-ENV LP-model is presented in detail. Its application is shown in principle as well as to the special situation of countries in transition from a centrally planned to a market economy. The limitations of this approach and further applications on an international level are assessed.ZusammenfassungDiese Arbeit gibt einen Überblick über methodische Ansätze zur Herleitung nationaler und internationaler Emissionsminderungsstrategien. Zu diesem Zweck werden häufig sogenannte integrierte Energie-Emissions-Modelle (lineare Programme) eingesetzt. Das EG-EFOM-ENV Modell wird vorgestellt und seine prinzipielle Anwendung aufgezeigt. Konkrete Ergebnisse werden anhand des Beispiels Litauens angegeben. Einschränkungen der verwendeten Methodik sowie deren mögliche Erweiterungen werden diskutiert.
ieee international conference on fuzzy systems | 1993
Carsten Oder; Hans-Dietrich Haasis; Otto Rentz
Energy-emission models are widely used to elaborate emission reduction strategies for almost all Western countries. Usually, these models are a mapping of the whole energy conversion chain and possible future options for energy supply and emission reduction into a network of energy flows. They use the minimization of the total discounted costs as the goal function under the restriction of maximum allowed emission of SO/sub 2/, NO/sub x/, or CO/sub 2/. Here, the limits on emissions as well as on other constraints in the model are modeled as fuzzy sets to show the decline of the decision makers satisfaction with regard to exceeding the limits to reflect the political decision situation more realistically. The first results of the interactive solution procedure are evaluated by the model for the decision maker. For testing the model, a small part of the whole EFOM-ENV application to Lithuania has been chosen. The two goals of emission reduction and cost minimization are given.<<ETX>>
Archive | 1992
P. Ruß; Hans-Dietrich Haasis; Carsten Oder; Otto Rentz
In view of increasing economic and environmental problems, energy supply strategies as well as air pollutant emission reduction strategies are required. These strategies should be designed in accordance with the specific situation of a country or region. Concepts on future energy pathways, which should be efficient with respect to both economic development and environmental protection have to be devised.
Archive | 1993
Hans-Dietrich Haasis; Otto Rentz
Zur Maschinenbelegungsplanung bei Werkstattfertigung werden in der industriellen Praxis i. allg. Prioritatsregeln herangezogen. Diese Regeln werden in dieser Arbeit um emissionsorientierte Prioritatsregeln erganzt. Zur Analyse ihrer Auswirkungen wird ein mehrstufiges Produktionssystem abgebildet und dessen Maschinenbelegungsplanung simuliert.