CORDIS proporciona enlaces a los documentos públicos y las publicaciones de los proyectos de los programas marco HORIZONTE.
Los enlaces a los documentos y las publicaciones de los proyectos del Séptimo Programa Marco, así como los enlaces a algunos tipos de resultados específicos, como conjuntos de datos y «software», se obtienen dinámicamente de OpenAIRE .
Resultados aprovechables
A formal methodology was developed describing most relevant information and procedures required during any product design process. Acoustically relevant product data was mapped using the EXPRESS language and procedures were described using the structured analysis and design technique (SADT). Prototype software for a consulting system for low noise design was developed. This system uses the 'component based noise path model' as a means to acoustically model any machine, and to associate any type of qualitative or quantitative information with that model. Help, database, and calculation facilities were developed. The system runs on Windows 95 and NT personal computer (PC). Two measurement methods for characterization of structure-borne noise sources were developed, one dependent on the test environment, the reception structure method, the other independent of the test environment, the pseudo-forces method. In parallel to the methodology development noise control work carried out on 3 different types of machine: excavators, municipal vehicles and water chillers. Noise reductions of 5-11 dB(A) were achieved by applying the methodology in a systematic way.
The developed software tool provides a component-based representation of the noise situation of machinery and equipment. This representation provides the means to access help information on low-noise design, and also allows parameter studies for any given machine. In this way, the designer not only can obtain general information on noise reduction measures, but can also assess their individual and combined effect on the total noise level.
In this way, the development process of low noise products is speeded up, reducing time to market, providing a common means of presentation and continuity in the specialist field of noise control which is often difficult for designers to deal with.
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