IDT MDH THESIS

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Important dates For the next instances of the course Spring For the next instances of the course, the following important dates apply: The non-functional isolation of subsystems, that appears when the software system is hierarchically divided, has great advantages when it comes to preventing fault propagation between subsystems. May 22, – Abstract In industrial automation, Industrial Wireless Sensor Networks IWSNs have been increasingly applied due to a great number of benefits such as convenient installation, flexible deployment and cost efficiency. Usability implies less installation efforts and less limitations in the usage of the available Linux functionality. February 09, – June 10 and June 11, Spring Period 1 End date:

September 2, Status and planning report submission date: The non-functional isolation of subsystems, that appears when the software system is hierarchically divided, has great advantages when it comes to preventing fault propagation between subsystems. As the main research contribution, this thesis presents design and verification techniques for model-based development of RTES, addressing expressiveness and analyzability for architectural and behavioural models. On the network layer, routing protocols play an important role in both communication reliability and latency. June 10 and June 11, End date: This is achieved by defining an intuitive formal semantics for real-time component models, using ProCom, a component model developed at our research centre, and also using the CCSL Clock Constraint specification language , an expressive language for specification of timed causality behaviour. However, IWSNs are frequently deployed in harsh industrial environments with electromagnetic disturbances, moving objects and non-line-of-sight NLOS communication.

To address these concerns, model-based frameworks and component-based design methodologies have emerged as a feasible solution.

The public defense of Kan Yus doctoral thesis (IDT) – Mälardalen University Sweden

These two operating systems represent two extremes, where Linux is more focused towards soft real-time systems and seL4 towards pure hard real-time safety-critical systems. This is achieved by defining an intuitive formal semantics for real-time component models, using ProCom, a component model developed at our research centre, and also using the CCSL Clock Constraint specification languagean expressive language for specification of timed causality behaviour.

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idt mdh thesis

Independent subsystems only share general resources such as the CPU and memory. Compared with conventional wireless systems, IWSNs have more stringent requirements on communication reliability and it time performance.

idt mdh thesis

Abstract In industrial automation, Industrial Wireless Sensor Networks IWSNs have been increasingly applied due to a great number of benefits such as convenient installation, flexible deployment and cost efficiency. For industrial automation, missing the process or control deadline is intolerable, which may terminate industrial application and finally result in economic loss and safety problems.

School of Innovation, Design and Engineering.

Jagadish Suryadevara at IDT will defend his doctoral thesis – Mälardalen University Sweden

January 21, Status and planning report submission date: We have also contributed with a novel approach to verify hierarchical schedulers, and a code generator called TAtoC Timed Automata to C which contributes to the effective run-time performance of synthesized timed-automata models.

JuneRe-examination period 2: Important dates For the next instances of the course Spring For the next instances of the course, the following important dates apply: May 20, – February 12, Report submission date: However, the complexity of RTES has been ever increasing requiring systematic development methods.

The second part of this thesis, synchronization, is an important general aspect of hierarchically scheduled systems since the isolation of subsystems makes resource sharing among subsystems theis challenging.

Next, we have provided a real-time semantic basis, in order to support expressiveness and verification for structural and behavioural models. Conclusively, there are many challenges when it comes to scheduler synthesis.

Although there are a number of advantages of replacing cables with wireless links, such as cost reduction, enhanced scalability and flexibility, the stringent requirements on communication reliability and meeting firm deadline from industrial mission-critical applications should still be fulfilled. April 14, Guaranteeing correctness implies a potential loss of performance due to the added overhead that the verified software can bring.

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The public defense of Kan Yus doctoral thesis (IDT)

The complete website is currently down and we are working on to relaunch it idy soon as possible. I propose reliable and robust routing protocols with respect to high reliability and real time performance for IWSNs. March 22, – Finally, the research contributions are validated using representative examples of RTES mdn well as an industrial case study.

The work in this thesis is focused on the practical aspects of timing isolation among subsystems, i.

April 19, – JuneEnd date: January 13, – From a hierarchy point of view, the high reliability and low latency can be achieved from different network layers. Along with the quick development of wireless communication technologies, industrial automation networks are also in unceasing evolution. However, transmissions over wireless channels in industrial environments tehsis prone to noise and interferences, resulting in frequent erroneous packet deliveries.

January 15, – To be authorized to present your work, you must have submitted the final version of your thesis report according to the procedure described in the Study Guide under ‘Submitting the report jdh examination’.

idt mdh thesis

June 07, Re-examination period 1: These systems are characterized by stringent functional requirements and predictable timing behaviour.