The key-enabler for tomorrow's X-by-wire systems is the mastery of today's advanced active chassis control systems that are highly safety critical, distributed and complex. The only feasible way is to compose future X-by-wire systems with established and field approved functional management, components and infrastructure technologies, which are addressed in this paper. Continuously increasing the number of control systems and their complexity raised the need of an advanced approach to manage the interference of their functional interactions, the so-called Electronic Chassis Management EBM. Augmenting the performance of the control systems based on a higher degree of systems cross-linking demands a significantly sophisticated management approach, the so-called Integrated Chassis Management ICM. The prime advantages of the ICM architecture are: A significant degree of flexibility in the development process between the vehicle manufacturer and his systems suppliers. Benefits over the generally discussed centralized controller with regards to development complexity, reliability and customization flexibility of control systems. Benefits with respect to the crucial design step of how to map the functional structure of the control system to a hardware architecture. The next question deals with the appropriate actuator technology for X-by-wire chassis control systems. Today, the ideal actuator technology depends on the underlying application. A crucial design step is the mapping of the functional architecture to the hardware architecture. We differentiate between two opposing concepts: 1. Highly distributed mapping; 2. Highly centralized mapping. The advantages of both approaches can be combined, which leads to distributed intelligent actuators that have the capability to perform basic control functions autonomously and therefore support good over all reliability.
X-by-wire functionality, performance and infrastructure
X-by-Wire: Funktionalität, Leistungsfähigkeit und Infrastruktur
2004
8 Seiten, 9 Bilder, 5 Tabellen, 6 Quellen
Conference paper
English
X-by-Wire Functionality, Performance and Infrastructure
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