Abstract
Software and Hardware Design Challenges in Automotive Embedded System
Highlights
The increasing use of electronic systems in automobiles brings about advantages by decreasing their weight and cost and providing more safety and comfort
In the earlier days of automotive electronics, each new function was implemented as a stand-alone Electronic Control Units (ECUs), which is a subsystem composed of a microcontroller and a set of sensors and actuators
90% of all innovations are driven by electronics and software. 50-70% of the development costs for an ECU are related to software
Summary
The increasing use of electronic systems in automobiles brings about advantages by decreasing their weight and cost and providing more safety and comfort. Premier cars have up to 70 ECUs, connected by 5 system buses and up to 2500 signals are exchanged by these ECUs [5] This growing number of ECUs increases the complexity and cost of vehicle development system [6]. Consortiums are working on standards for automotive electronic systems and software architecture These standards would increase the commonality and reusability of software in ECU design and reduce the system cost . The cost, flexibility, extensibility and the need for coping with increased functional complexity in vehicles are changing the fundamental paradigms for the definition of automotive architectures [7].
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