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A comprehensive approach to design of embedded real-time software for controlling mechanical systems
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
Luleå University of Technology, Department of Computer Science, Electrical and Space Engineering, Embedded Internet Systems Lab.
2007 (English)In: Asia Pacific Automotive Engineering Conference Technical Papers, Society of Automotive Engineers, Incorporated , 2007Conference paper (Refereed)
Abstract [en]

In this paper, we present a comprehensive approach to design of embedded real-time software for electrically controlled mechanical systems in automotive applications. As a case study, we implement a Gear change and Clutch controller for a Formula SAE car. This includes a generic communication interface and protocol for CAN bus communication, I/O interfaces for A/D conversion and PWM output, together with a PID controller for clutch actuation. Under our framework, the embedded software is developed using Timber, a programming language and formalism that provides executable models for embedded real-time systems. The case study shows how a complete control system can be straightforwardly modeled, simulated and transformed into executable code. The system has been realized and tested onto a lightweight, 8-bit AVR-5, embedded platform. Compared to the raw C code design flow, the proposed framework has in our case study showed increased efficiency with respect to development time. We boldly conclude that our Timber based framework offers true "work with the work".

Place, publisher, year, edition, pages
Society of Automotive Engineers, Incorporated , 2007.
Series
, S A E Technical Papers, ISSN 0148-7191 ; 2007-01-3744
Research subject
Embedded System
Identifiers
URN: urn:nbn:se:ltu:diva-35760DOI: 10.4271/2007-01-3744Local ID: a6a75970-6ce8-11dc-89fb-000ea68e967bOAI: oai:DiVA.org:ltu-35760DiVA: diva2:1009014
Conference
Asia Pacific Automotive Engineering Conference : Powertrain Technology: Transmission Systems : 01/08/2007 - 01/08/2007
Projects
CASTT - Centre for Automotive Systems Technologies and Testing
Note
Validerad; 2007; 20070927 (ysko)Available from: 2016-09-30 Created: 2016-09-30Bibliographically approved

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