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An Implementation of Automotive Parking Assistance System using Qplus-Auto OSEK Edition

Jeongho Son, Jong Hyo Kim, Soo Young Ha, Kee-Koo Kwon
2013 IEMEK Journal of Embedded Systems and Applications  
Traditional implementation schemes for automotive electronic control units look simple, but the tradition schemes need so many coarse works to satisfy the user requirements regarding time constraints whenever  ...  Open Systems and the Corresponding Interfaces for Automotive Electronics) operating system (OS) is an result from the hard works.  ...  Response Time Analysis for OSEK/VDX Compliant Real-Time Distributed Control System." Proceedings on Conference of 저 자 소 개 Email:  ... 
doi:10.14372/iemek.2013.8.2.103 fatcat:gyeyizohcndapggbv7aoqfpzki

Design and Validation Process of In-Vehicle Embedded Electronic Systems [chapter]

YeQiong Song, Françoise Simonot-Lion
2005 Embedded Systems Handbook  
OSEK/VDX Com and OSEK/VDX NM are complementary to OSEK/VDX for communication and network management services.  ...  The main purpose of this analysis is to obtain the lower (best-case) and the upper (worst-case) bounds on the response times.  ... 
doi:10.1201/9781420038163.sec6 fatcat:tdr3aerzqbavxmmua7am4rhquq

Design and Validation Process of In-Vehicle Embedded Electronic Systems [chapter]

YeQiong Song, Françoise Simonot-Lion
2005 Embedded Systems Handbook  
OSEK/VDX Com and OSEK/VDX NM are complementary to OSEK/VDX for communication and network management services.  ...  The main purpose of this analysis is to obtain the lower (best-case) and the upper (worst-case) bounds on the response times.  ... 
doi:10.1201/9781420038163.ch41 fatcat:7gi2kppqrjaevja44tqqeahrra

TASKers: A Whole-System Generator for Benchmarking Real-Time-System Analyses

Christian Eichler, Tobias Distler, Peter Ulbrich, Peter Wägemann, Wolfgang Schröder-Preikschat, Michael Wagner
2018 Worst-Case Execution Time Analysis  
Implementation-based benchmarking of timing and schedulability analyses requires system code that can be executed on real hardware and has defined properties, for example, known worst-case execution times  ...  Traditional approaches for creating benchmarks with such characteristics often result in implementations that do not resemble real-world systems, either due to work only being simulated by means of busy  ...  6:11 challenge analysis approaches. Specifically, we will integrate challenging code patterns to generate benchmarks that target whole-system cache and pipeline analyses.  ... 
doi:10.4230/oasics.wcet.2018.6 dblp:conf/wcet/EichlerDUWS18 fatcat:gsnvijvvijbyxazim7el4ugroi

Towards hierarchical scheduling in AUTOSAR

Mikael Asberg, Moris Behnam, Farhang Nemati, Thomas Nolte
2009 2009 IEEE Conference on Emerging Technologies & Factory Automation  
AUTOSAR component The Operating System (OS) used in AUTOSAR, referred to as AUTOSAR OS, is OSEK/VDX [1] compliant.  ...  Still there is much work to do in order for this standard to be usable.  ...  This is the ultimate goal because it realizes open real-time systems.  ... 
doi:10.1109/etfa.2009.5347133 dblp:conf/etfa/AsbergBNN09 fatcat:eckdwy4qejanrlf233kgppe2mi

Formal verification of multitasking applications based on timed automata model

Libor Waszniowski, Zdeněk Hanzálek
2007 Real-time systems  
The aim of this paper is to show, how a multitasking application running under a real-time operating system compliant with an OSEK/VDX standard can be modeled by timed automata.  ...  Use of this methodology is demonstrated on an automated gearbox case study and the result of the worst-case response time verification is compared with the classical method based on the time-demand analysis  ...  Acknowledgements We would like to thank Gerd Behrmann from the Department of Computer Science at Aalborg University, Denmark for his advice related to reducing the complexity of the ready queue model.  ... 
doi:10.1007/s11241-007-9036-z fatcat:z6eik34ehjbztl3ylxqm3er2yq

Preemption Threshold Scheduling: Stack Optimality, Enhancements and Analysis

Rony Ghattas, Alexander G. Dean
2007 13th IEEE Real Time and Embedded Technology and Applications Symposium (RTAS'07)  
Our enhancements to PTS improve worst-case response-times as well.  ...  We then discuss characteristics of PTS and show how to reduce average worst-case response times.  ...  Several OSEK/VDX-compliant real-time kernels have been developed.  ... 
doi:10.1109/rtas.2007.27 dblp:conf/rtas/GhattasD07 fatcat:kvtwnvq7vbhqdew22vfpqltozi

Rapid prototyping suite of IEEE 802.15.4-compliant Sensor Networks

Mangesh Chitnis, Paolo Gai, Giuseppe Lipari, Paolo Pagano, Antonio Romano
2007 2007 IEEE Internatonal Conference on Mobile Adhoc and Sensor Systems  
We present a simulator for early evaluation of the real-time behavior of a WSN application; and a realtime operating system that implement appropriate real-time scheduling policies to allow timing analysis  ...  This paper presents a toolsuite for rapid prototyping and implementation of real-time applications on Wireless Sensor Networks.  ...  A schedulability analysis for real-time applications must be performed to guarantee that the system will work properly under worst-case load conditions.  ... 
doi:10.1109/mobhoc.2007.4428694 dblp:conf/mass/ChitnisGLPR07 fatcat:6mfl3d67cvajjiv3z3mmtfosuq

Formal schedulability analysis based on multi-core RTOS model

Imane Haur, Jean-Luc Béchennec, Olivier Henri Roux
2021 29th International Conference on Real-Time Networks and Systems  
Each task of the application is represented by a Stopwatch Petri Net whose transitions carry Best-Case Execution Time and Worst-Case Execution Time [𝐵𝐶𝐸𝑇 ,𝑊 𝐶𝐸𝑇 ] firing intervals and make service  ...  Verification of real-time application schedulability is usually performed using a very abstract representation of the system which poorly supports inter-task dependencies.  ...  Trampoline is a preemptive real-time operating system designed for the automotive industry, which is compliant with OSEK/VDX and AUTOSAR standards.  ... 
doi:10.1145/3453417.3453437 fatcat:stxv72lgvjfjhojmjaxtn7ntqe

OS-Aware Automotive Controller Design Using Non-Uniform Sampling

Wanli Chang, Dip Goswami, Samarjit Chakraborty, Arne Hamann
2018 ACM Transactions on Cyber-Physical Systems  
The actual execution time of the control program is denoted as E and the worst-case execution time (WCET) is E wc .  ...  In general, settling time in control systems is the time required for a response to become steady.  ... 
doi:10.1145/3121427 fatcat:2xmqi7qbdngwvdcryfpjcd274a

Experience Report: Towards extending an OSEK-compliant RTOS with Mixed Criticality support

Tarun Gupta, Erik J. Luit, Martijn M.H.P. Van Den Heuvel, Reinder J. Bril
2018 e-Informatica Software Engineering Journal  
Rather than selecting a specific OSEK-compliant RTOS, we selected ExSched, an operating system independent external CPU scheduler framework for real-time systems, which requires no modifications to the  ...  Our prime goal is to extend an OSEK-compliant real-time operating system (RTOS) with mixed criticality support, enabling such support in the automotive domain.  ...  The specification of the OSEK operating system [8] explicitly states that the "OSEK operating system is a single processor operating system meant for distributed embedded control units".  ... 
doi:10.5277/e-inf180112 dblp:journals/eInformatica/0001LHB18 fatcat:5uflxh5ocjarphkcmtluhqazym

Fixed-Priority Memory-Centric Scheduler for COTS-Based Multiprocessors

Gero Schwäricke, Tomasz Kloda, Giovani Gracioli, Marko Bertogna, Marco Caccamo, Marcus Völp
2020 Euromicro Conference on Real-Time Systems  
Memory-centric scheduling attempts to guarantee temporal predictability on commercial-off-the-shelf (COTS) multiprocessor systems to exploit their high performance for real-time applications.  ...  Several solutions proposed in the real-time literature have hardware requirements that are not easily satisfied by modern COTS platforms, like hardware support for strict memory partitioning or the presence  ...  Time Analysis The worst-case response time of task τ i running on processor P (i) can be determined by combining the expressions for interference presented above with the analysis for single processor  ... 
doi:10.4230/lipics.ecrts.2020.1 dblp:conf/ecrts/SchwarickeKGBC20 fatcat:6aulrulamjbcvir2sh2ezimrie

Fully Virtual Rapid ADAS Prototyping via a Joined Multi-domain Co-simulation Ecosystem

Róbert Lajos Bücs, Pramod Lakshman, Jan Henrik Weinstock, Florian Walbroel, Rainer Leupers, Gerd Ascheid
2018 Proceedings of the 4th International Conference on Vehicle Technology and Intelligent Transport Systems  
For this purpose, an advanced automotive-flavor virtual platform was also designed, ensuring detailed, near real-time simulation.  ...  Advanced Driver Assistance Systems (ADAS) have evolved into comprehensive hardware/software applications with exploding complexity.  ...  Conversely to MBD tools, VPs enable exploring non-functional system properties, e.g., HW/SW partitioning, task mapping, schedulability and dynamic worst-case execution time analysis.  ... 
doi:10.5220/0006665900590069 dblp:conf/vehits/BucsLWWLA18 fatcat:rh76brxbuneurm63ks6pw5g224

Schedulability analysis for Controller Area Network (CAN) with FIFO queues priority queues and gateways

Robert I. Davis, Steffen Kollmann, Victor Pollex, Frank Slomka
2012 Real-time systems  
We show, via a case study and experimental evaluation, the detrimental impact that FIFO queues have on the real-time performance of CAN.  ...  In this paper, we introduce response time analysis and optimal priority assignment policies for CAN messages in networks where some nodes use FIFO queues while other nodes use priority queues.  ...  Acknowledgements The authors would like to thank Alan Burns for his comments on a previous draft of this paper.  ... 
doi:10.1007/s11241-012-9167-8 fatcat:2e6bln6vmbbv7c3q2afrvp3com

ISO-26262 Compliant Safety-Critical Autonomous Driving Applications: Real-Time Interference-Aware Multicore Architectures

Abdullah El-Bayoumi
2021 International Journal of Safety and Security Engineering  
Keywords: real-time operating system, multicore architecture, multi-processor, freedom from interference, functional safety, fault-tolerance, reliability, worst case execution time the safety-critical  ...  that eventually decay the worst case execution time and the interconnections (symmetric and asymmetric processors, critical timing, data coherency and synchronization predictability, core interconnects  ...  ACKNOWLEDGMENT The work presented here has been partially carried out for the framework of autonomous driving applications, which are supported by the TTTech Auto Iberia, Spain.  ... 
doi:10.18280/ijsse.110103 fatcat:svaasx55yfbjpgccwkdjsmhix4
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