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7 Requirements Modeling for Embedded Realtime Systems [chapter]

Ingolf Krüger, Claudiu Farcas, Emilia Farcas, Massimiliano Menarini
2010 Lecture Notes in Computer Science  
Motivation  Embedded Realtime Systems (ERS)  Embedded as a part of a complete system • Cars, airplanes, medical devices, ...  Realtime computing constraints  High complexity • Software development  ...  challenge  Requirements Engineering  Process of defining the goals and constraints of the system  Errors in this phase are costly to fix  Specific ERS Requirements Engineering Techniques 2  ...  Requirements Modeling for Embedded Realtime Systems -Dennis Nobel February 9, 2011  ... 
doi:10.1007/978-3-642-16277-0_7 fatcat:vz4ds23d6zfqdbuetc3gnh2tjm

Real-time Optimisation for Industrial Internet of Things (IIoT): Overview, Challenges and Opportunities

Long Nguyen, Ayse Kortun
2020 EAI Endorsed Transactions on Industrial Networks and Intelligent Systems  
In such scenarios, often under a dynamic environment, a strict real-time deadline is the most important requirement to be met.  ...  Communication scenarios such as online applications come with the need for real-time optimisation.  ...  Realtime operating system and Embedded Realtime Optimisation Realtime operating system Concepts of real-time systems.  ... 
doi:10.4108/eai.16-12-2020.167654 fatcat:3lcy423qwnauve5qxgdmynybh4

Accelerating embedded image processing for real time: a case study

Sol Pedre, Tomáš Krajník, Elías Todorovich, Patricia Borensztejn
2013 Journal of Real-Time Image Processing  
In this work, a co-design methodology for processor-centric embedded systems with hardware acceleration using FPGAs is proposed.  ...  This case study shows the usefulness of the proposed methodology for embedded real-time image processing applications.  ...  Although these implementations are based on affordable computational hardware found in virtually all modern PC systems, they are unsuitable for applications that require not only realtime performance,  ... 
doi:10.1007/s11554-013-0353-2 fatcat:kef6ujmg35gunm2cax6bzsr6qq

Modeling architecturally neutral realtime systems

James J. Hunt, Isabel Tonin, Michael Benkel, Mirko Seifert, Katja Siegemund, Nico Feiertag
2007 Proceedings of the 5th international workshop on Java technologies for real-time and embedded systems - JTRES '07  
With the advent of commercially available realtime and safety critical Java implementations as a basis for platform neutral realtime systems, one could raise the level of reuse in modeling realtime systems  ...  The result is a modeling process that is less order dependent, thereby supporting the full flexibility of Java Technology even for realtime system design.  ...  Finally, SysML [1] as a domain-specific modeling language for systems engineering applications provides methods that are also interesting for modeling embedded systems.  ... 
doi:10.1145/1288940.1288966 dblp:conf/jtres/HuntTBSSF07 fatcat:vntyudh3d5c5flkdr6dn52sz2y

COTS Component-Based Embedded Systems – A Dream or Reality? [chapter]

Ivica Crnkovic, Jakob Axelsson, Susanne Graf, Magnus Larsson, Rob van Ommering, Kurt Wallnau
2005 Lecture Notes in Computer Science  
approaches for embedded systems.  ...  . • Susanne Graf, Senior Researcher, Verimag: Modeling component-based realtime systems. • Magnus Larsson, Research Manager, ABB: Using COTS in process automation industry.  ...  approaches for embedded systems.  ... 
doi:10.1007/978-3-540-30587-3_1 fatcat:gnuapgkzqzh2fij3cyotm6d7iq

Strategic directions in real-time and embedded systems

John A. Stankovic
1996 ACM Computing Surveys  
for the imposition of realtime requirements are important.  ...  For example, realtime commerce on the Internet is transforming business. Since for every PC there are thousands of embedded computers, a thriving embedded computing industry can be expected.  ... 
doi:10.1145/242223.242291 fatcat:evt5gbvcjnfc3g3hauytxuuv6i

Stochastic Optimisation of Lookup Table Networks, for Realtime Inference on Embedded Systems

Chris Kiefer
2021 Zenodo  
Research in TinyML offers methods for transforming trained neural networks to run on embedded systems.  ...  Neural networks running on FPGAs offer great potential for creative applications in realtime audio and sensor processing, but training models to run on these platforms can be challenging.  ...  Introduction When using machine learning for creative work, there is sometimes a need to run models in realtime in resource-constrained embedded systems.  ... 
doi:10.5281/zenodo.5137956 fatcat:vso444d7fvetbastrudtwglck4

Exploring chip-multiprocessors in deeply-embedded real-time computing

Xuan Qi
2008 ACM SIGBED Review  
And the system and experiment setup to evaluate our model and algorithms will be proposed.  ...  As an energy efficient high-performance architecture, chip multiprocessor (CMP) can be deployed in deeply-embedded real-time computing.  ...  and timing constraints for various realtime task models.  ... 
doi:10.1145/1366283.1366296 fatcat:p6f3gmhxrvfsncsd43ov6vk7ti

A general time model for the specification and design of embedded real-time systems

Ralf Münzenberger, Matthias Dörfel, Richard Hofmann, Frank Slomka
2003 Microelectronics Journal  
In this paper, we discuss the restrictions of current specification techniques for embedded real-time systems and present a general time model that solves this issue.  ...  Design of complex embedded systems feasible with current and upcoming semiconductor technologies necessitates consideration of realtime from the beginning.  ...  Reliable system design requires reproducible results for the major system properties.  ... 
doi:10.1016/s0026-2692(03)00167-8 fatcat:ipnfkwuv4vf2fozf55unu5wcsa

A Dynamic Verification Method of Executable UML/SysML Models with Timed-Functional Constraints

Kouichi ONO, Hiroaki NAKAMURA, Hiroshi ISHIKAWA
2010 Konpyuta sofutowea  
technologies are needed for developing embedded/real-time systems.  ...  Most of embedded/real-time system models consist of discrete behaviors of system controllers and continuous behaviors of mechanical/electronical systems.  ...  MARTE: Modeling and Analysis of Real-Time Embedded systems, Beta 2, OMG Adopted Specification,  ... 
doi:10.11309/jssst.27.2_33 fatcat:xqxc3dytmrgajgbtv3oi6ej4oe

On link-layer reliability and stability for wireless communication

Sohraab Soltani, Kiran Misra, Hayder Radha
2008 Proceedings of the 14th ACM international conference on Mobile computing and networking - MobiCom '08  
We present two distinct analytical frameworks to determine optimal code embedding rates which ensure system reliability and stability for wide range of traffic demand.  ...  We demonstrate experimentally that ACE provides both rapid and reliable point-to-point wireless data transmission for realtime and non-realtime traffic over real channel traces collected on 802.11b WLAN  ...  Our extensive analysis of ACE protocol over real channel traces collected on 802.11b WLANs for realtime and non-realtime traffic, TCP throughput and realtime video communication scenarios show that ACE  ... 
doi:10.1145/1409944.1409982 dblp:conf/mobicom/SoltaniMR08 fatcat:iucqgdc7ffh4tjcq4eoi6kn6x4

Towards Quality of Service and Resource Aware Robotic Systems through Model-Driven Software Development [article]

Andreas Steck, Christian Schlegel
2010 arXiv   pre-print
This paper reports on a model-driven development process for robotic systems. The process consists of a robotics metamodel with first explications of non-functional properties.  ...  A major challenge is to make the step from code-driven to model-driven systems.  ...  RT-Describe models are based on UML [6] , SysML [7] and MARTE [8] . The OMG MARTE [8] activity provides a standard for modeling and analysis of realtime and embedded systems.  ... 
arXiv:1009.4877v1 fatcat:xmpo2sxf4fd63myfvbdj67bllm

Integrating Data Flow Equations with UML/Realtime

Lutz Bichler, Ansgar Radermacher, Andreas Schürr
2004 Real-time systems  
This is especially true if embedded (realtime) system software has to cooperate with interactive multimedia software, as it is more and more the case in automotive systems.  ...  Object-oriented modeling languages, tools, and methods more and more attract the interest of embedded (real-time) system developers.  ...  In the following we present a component and data flow based solution for modeling embedded systems.  ... 
doi:10.1023/b:time.0000009308.63403.e6 fatcat:aqd7t34ilfek3cer6vmphpt2pq

From the Editors

George Neville-Neil
2003 Queue  
Embedded systems often lack the safety of a process model and virtual memory.  ...  One hurdle in working with embedded systems is that the programming model is different from what most programmers are taught.  ... 
doi:10.1145/644254.644260 fatcat:44qgsqekkvfk3ljl5vntwcfvjy

Middleware for real-time and embedded systems

Douglas C. Schmidt
2002 Communications of the ACM  
To further exacerbate matters, a growing class of realtime, embedded systems require end-to-end support for various quality of service (QoS) aspects, such as bandwidth, latency, jitter, and dependability  ...  for real-time, embedded systems.  ... 
doi:10.1145/508448.508472 fatcat:aozfva7plvd5zho5ughpy5bxni
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