Model-based development is significant for the accomplishment of both improvement of hybrid system quality and shortening development time. The construction of the full vehicle HILS system is the key technology to accomplish this model-based development above all. To accelerate this model-based development, the rapid modeling tool is also essential. Therefore this tool was made for this HILS and examined. All systems mentioned above have applied for the HV fail-safe control system development and verification. The knowledge obtained through HILS development is described below. 1) The multi-node and Motor Box are key technologies to realize hybrid full vehicle HILS system. This HILS realizes the hybrid vehicle simulation, control logic development and debugging. 2) The rapid modeling tool and test automation tool are very effective to shorten development time on HILS. The test automation tool also enables to store all test patterns and evaluation know-how as a database. 3) These abovementioned systems and tools are applied to hybrid fail-safe control development and verification. In this case, simulation done by HILS resulted in 98% agreement with data obtained by the actual vehicle result. It realized about 30 times faster than conventional actual vehicle examinations. 4) The test combination of this HV-HILS and actual vehicles would raise the control quality and development efficiency. To complete this development process, it is necessary to solve important problems such as synchronization of each node in the system. On the other hand, the synchronization causes a disadvantage, the diminution of each node.s processing ability because there are interferences among nodes. Therefore the best HILS system structure will be searched by means of this 4th generation HILS construction process.
HILS application for hybrid system development
HILS Applikation für Hybridsystem Entwicklung
2006
18 Seiten, 12 Bilder, 1 Tabelle, 5 Quellen
Aufsatz (Konferenz)
Englisch
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