Introduced in late 1993, MarketManager for Windows (MMWIN) is a productivity tool designed to meet the energy analysis needs of Utility DSM departments and of Performance Contractors. In a typical application a building is simulated as-is and compared to one or more energy-saving alternatives.
The ability to integrate a range of disparate design tools has been an area of intense research throughout the world. One of the hardest tasks in this research has been to define the correspondences between the model of a building used by a design tool and the integrated data model. This paper presents a method of defining mappings between different models of a building. The implementation of a mapping management system which controls the flow of data between the varíous models and guarantees the consistency of the models is also described.
We used the MOIST Computer Model to conduct a detailed analysis of the moisture performance of one wall typical of current construction practice in manufáctured housing, and mo new altemative wall designs with potential for better moisture performance in a wider variety of climates. The analysis showed that the current-practice wall with an interior vapor retarder performed acceptably in a cold climate (Madison, WI), but poorly in a hot and humid climate (Miami, FL).
The EPRI LightPAD program is a simple but powerful lighting audit and analysis tool for assessing installed lighting systems and proposing cost-effective, energy-efficient retrofit alternatives. LightPAD enables on-site data entry to the analysis program, improving both speed and accuracy by removing the step of making hand-written field notes.
InteSys Limited has developed a new dynamic simulation model for buildings, which emerges by itself as it receives the data or signals from the building under consideration. The model exists in two forms Software written for PC Windows environment; and Hardware in the forra of a silicon microchip. This work is an extension of the previous work by Jankovic (1991 -1993). The software has been developed in C" and runs under Windows 3.1 or above. The paper describes the operation of this software.
Conventional control schernes for air condítioning systems are in lack of the capabilities to adapt to a changing enviroranent and to optimize against given criteria. In this paper, a methodology is presented, which employs a classifier system with genetic algorithm to enable an air-conditioning controller to learn from its own experience the best control strategy against a given performance evaluation scherne.
Software packages form an integral part of the practices of most building design professionals today. Studies in the UK show that CAD is used in 81% of architectural practices. However, these packages fali short of ideal when it comes to data exchange.
There are two almost orthogonal aspects that need to be considered when looking at the use of design tools by the profession, the integration of the design tools "around" the product being designed and the integration of the tools "into" the process using them. In the building design field, the "Product" aspect of this has received much more attention than the "process" aspects. However, in the business arena, Process Support is the latest "hot topic" and is spawning lots of new systems.
Most currently available hourly energy analysis programs utilize separate and sequential simulations of the building, air handling systems, and primary energy plants. This results in a lack of feedback from the system to the building and from the pIant to the system and building. This is especially a problem when an undersized system or plant is simulated. If an undersized system were actually installed in a building the zone cooling and or heating loads could not be met all the time causing the temperatures to float out of the desired range.
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