Bluetooth chip integration for automotive control unit

OData support
Supervisor:
Scherer Balázs Attila
Department of Measurement and Information Systems

Over the past decades the electronics development has become the leading sector of the automotive industry. The vehicles are highly safety critical machines; therefore the available technologies should be used with more caution compared to many other fields of industry. In consequence of the strict requirements most of the innovations reach the sight of developers with a latency of some years. This approach applies to the products designed for the market, and not to the concept cars built mainly for marketing purpose using a huge budget.

Bulk manufacture is typical of the automotive industry in order to obtain an affordable price of the vehicles. The enormous development costs can be distributed on the wide population to reduce the piece-price, but the hardware costs are added to each unit. In terms of the long-term maintainability the deliberate and mature innovations are viable, where only the absolutely required parts are built-in, even at the expense of more development cost.

The connected-car concept could be the engine of the prospective automotive innovations. This concept requires a common and well-known interface, which could be a smartphone. These phones contain high performance processors, easy to handle user interface and standard wireless communication interfaces, such as Bluetooth.

The aim of this thesis is to prepare a Bluetooth interface for accessing the internal communication system of the vehicle. The interface is integrated into a complex, gateway-like electronic control unit, and not placed as a standalone module. This way the expenses can be kept at low level. Because of the previous aspect the usage of a complete Bluetooth module is prohibited as well. The thesis contains some alternative options and improvement advices for the technical solutions, thus helping on the further usability.

The thesis represents the arisen tasks and issues specifically in an automotive, industrial environment. The chapters regarding the Bluetooth integration cover among others the following topics: definition of requirements, selection of parts, hardware design, selection of software stack provider, software development. The former tasks require numerous managerial duties, which are also introduced in the thesis. Thus besides the engineering tasks the reader can get an insight into the whole development process of a product in an industrial environment.

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