Download E-books Embedded Systems: Analysis and Modeling with SysML, UML and AADL PDF

By Fabrice Kordon

Since the development of the 1st embedded procedure within the Nineteen Sixties, embedded platforms have endured to unfold. they supply a regularly expanding variety of providers and are a part of our everyday life. the improvement of those structures is a tricky challenge which doesn't but have a world answer. one other hassle is that platforms are plunged into the genuine global, which isn't discrete (as is usually understood in computing), yet has a richness of behaviors which occasionally hinders the formula of simplifying assumptions because of their ordinarily self reliant nature they usually needs to face in all probability unexpected events (incidents, for example), or perhaps occasions that lie open air the preliminary layout assumptions.
Embedded platforms provides the cutting-edge of the advance of embedded platforms and, specifically, concentrates at the modeling and research of those structures through taking a look at “model-driven engineering”, (MDE2): SysML, UML/MARTE and AADL. A case learn (based on a pacemaker) is gifted which allows the reader to watch how different points of a approach are addressed utilizing different ways. All 3 structures are vital in that they supply the reader with a world view in their percentages and show the contributions of every procedure within the diversified phases of the software program lifecycle. Chapters devoted to reading the specification and code iteration also are presented.

Contents

Foreword, Brian R. Larson.
Foreword, Dominique Potier.
creation, Fabrice Kordon, Jérôme Hugues, Agusti Canals and Alain Dohet.
half 1. basic Concepts
1. parts for the layout of Embedded computers, Fabrice Kordon, Jérôme Hugues, Agusti Canals and Alain Dohet.
2. Case learn: Pacemaker, Fabrice Kordon, Jérôme Hugues, Agusti Canals and Alain Dohet.
half 2. SysML
three. Presentation of SysML innovations, Jean-Michel Bruel and Pascal Roques.
four. Modeling of the Case examine utilizing SysML, Loïc Fejoz, Philippe Leblanc and Agusti Canals.
five. requisites research, Ludovic Apvrille and Pierre De Saqui-Sannes.
half three. MARTE
6. An creation to MARTE ideas, Sébastien Gérard and François Terrier.
7. Case research Modeling utilizing MARTE, Jérôme Delatour and Joël Champeau.
eight. Model-Based research, Frederic Boniol, Philippe Dhaussy, Luka Le Roux and Jean-Charles Roger.
nine. Model-Based Deployment and Code new release, Chokri Mraidha, Ansgar Radermacher and Sébastien Gérard.
half four. AADL
10. Presentation of the AADL thoughts, Jérôme Hugues and Xavier Renault.
eleven. Case examine Modeling utilizing AADL, Etienne Borde.
12. Model-Based research, Thomas Robert and Jérôme Hugues.
thirteen. Model-Based Code iteration, Laurent Pautet and Béchir Zalila.

About the Authors

Fabrice Kordon is Professor at college Pierre and Marie Curie in Paris, France, the place he's accountable for the group “Modélisation et vérification” of the LIP6. His examine box is on the crossroads of disbursed platforms, software program engineering and formal methods.
Jérôme Hugues is lecturer-researcher on the Institut Supérieur de l’Aéronautique et de l’Espace (ISAE) in Toulouse, France and has been a member of the language standardization committee (AADL) considering the fact that 2006. His examine fields hide the engineering of embedded structures and the new release of automated code of those platforms from modeling languages, integrating verification and research instruments at the version and code level.
Agusti Canals is a software program engineer and has labored at CS “Communication et Systèmes” in Paris, France on the grounds that 1981. he's deputy director of the “Direction de l. a. Qualité et des Audits Technique

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Different values that those parameters can take and that we've got thought of in our Fiacre modeling are as follows: determine eight. three. An instance of an interplay state of affairs (in mode VDD) among DCM and PGController – parameter mode: seven attainable modes: VOO, AOO, VVI, AAI, VVT, AAT, VDD; – ARP parameter: completely in modes AAI and AAT with 36 attainable values in every one of them (from one hundred fifty to 500 ms at a velocity of 10 ms); – VRP parameter: completely in modes VVI, VVT and VDD with 36 attainable values in every one of them (from a hundred and fifty to 500 ms at a velocity of 10 ms); – AVDelay parameter: exclusively within the VDD mode with 24 attainable values (from 70 to three hundred ms at a velocity of 10 ms); – LRL parameter: in all of the modes, other than AOO and VOO, with sixty two attainable values (from 30 to a hundred seventy five ppm at a speed of five ppm as much as 50 ppm, then a 1 ppm velocity as much as ninety ppm after which a five ppm velocity as much as a hundred seventy five ppm). accordingly, the variety of values that the parameters can tackle relies on the modes. this is often offered within the desk eight. 1. the entire variety of attainable mixtures, that's of attainable circumstances of the situation provided in determine eight. three, is therefore 62,498. desk eight. 1. variety of diversified values for the parameters eight. three. 2. homes Requirement eight. 1 may be expressed below the shape of an invariant of the approach. In VDD mode, the heart specialist approach enters the nation TrackedPacing_WaitingVPulse whilst it gets an auricular sign and waits for a ventricular sign. The variable timeCount of the heart specialist then measures in devices the time that has handed in that kingdom. this permits us to rework the expression of the requirement within the following invariant: INVARIANT eight. 1. – The kingdom TrackedPacing _ WaitingVPulse of the heart specialist technique means that the price of the timeCount is less than or equivalent to AVDelay. This invariant is written in SELT linear good judgment for the model-checker TINA SELT: Requirement eight. 2 may perhaps both be expressed within the type of an invariant of the version. besides the fact that, this might require that we adapt the version by way of including additional variables that may be referenced by means of the invariant. with no those variables, the time that has handed within the present cycle wouldn't be identified via our approach. we are going to therefore decide upon an alternate that comprises encoding the requirement utilizing an staring at automaton (Obs 2) [HAL 93], illustrated in determine eight. four. allow us to clarify its precept. determine eight. four. Obs 2: timed computer screen that encodes requirement eight. 2 An gazing automaton is an automaton that's delicate to occasions happening during the exploration of the mode and of our surroundings, occasions reminiscent of sending and receiving messages, altering the country of the approaches and the variable values. With every one execution of a transition within the version or the surroundings, the observer executes a transition (if it exists) that corresponds to the development that simply came about. The observer has an blunders kingdom reject. entry to the reject country signifies that the valuables encoded by means of the automaton has been falsified. An accessibility research includes studying attainable situations which were saw through the exploration of the approach version and its atmosphere, resulting in the reject nation of the observer.

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