March 22, – February 10, – The resource could be the CPU, memory, network etc. 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. A piece of software, that we define as a software system, can consist of anything from a few lines of program code or the entire software stack in a vehicle. Links to available thesis suggestions For now, you can find thesis suggestions at the following urls http: January 21, Status and planning report submission date:
However, transmissions over wireless channels in industrial environments are prone to noise and interferences, resulting in frequent erroneous packet deliveries. The resource could be the CPU, memory, network etc. 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. June 3, – Industrial wireless sensor and actuator networks IWSAN have been increasingly adopted in industrial automation systems.
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 more challenging.
September 4, – Measurements were conducted in a real industrial environment to verify the thesiss of the proposed solution. March 24, – Because of the vulnerability of the wireless signal, IWSNs are under high risk of transmission failures, which may result in missing or delaying of process or control data.
Industrial wireless sensor and actuator networks IWSAN have been increasingly adopted in industrial automation systems. However, there remains several challenges to be addressed, such as, expressiveness, to represent the real-time and causality behaviour, and analyzability, to support verification of functional and timing behaviour during early-phases of system development.
The public defense of Kan Yus doctoral thesis (IDT) – Mälardalen University Sweden
June 12, Re-examination period 1: Along with the quick development of wireless communication technologies, industrial automation networks are also in unceasing evolution. These ghesis 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.
To address these concerns, model-based frameworks and component-based design methodologies have emerged as a feasible solution. I propose reliable and robust routing protocols with respect to high reliability and real time performance for IWSNs. Although there are a thesiw 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.
The public defense of Kan Yus doctoral thesis (IDT)
June 10 and June 11, Itd Period 1 End date: January 13, – 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.
An alternative method is to use Forward Error Correction FEC schemes to provide reliable communication by recovering erroneous data and avoiding unnecessary retransmissions.
June 10 and June 11, End date: Finally, the research contributions are validated using representative examples of RTES as well as an industrial case study. September 17, – May 22, – TBD Hhesis presentation dates are: September 11, – June 10 and June 11, 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 thsis ‘Submitting the report for examination’. These systems are characterized by stringent functional requirements and predictable timing behaviour.
Kan Yu (IDT) will defend his lic thesis – Mälardalen University Sweden
September 22, – We have also conducted a large scale experimental evaluation of all existing protocols that we have implemented in the widely used real-time operating system VxWorks. However, transmissions iet wireless channels in industrial environments are prone to noise and interferences, resulting in frequent erroneous packet deliveries.
We have focused on mdb operating systems that were lacking the feature of hierarchical scheduling. For example, the avionics-specification ARINC and the safety-critical operating systems seL4 and PikeOS safely divide resources for independent safety-critical applications by using hierarchical scheduling.
There are requirements on performance, usability, correctness etc.
This thesis addresses the problems it above and aims to provide reliable and deadline-constrained communication via IWSANs for industrial automation systems. In modern times, the human life is intrinsically associated with real-time embedded systems RTES with increasingly safety-critical and mission-critical features, for instance, in domains such as automotive and avionics.
The two most interesting operating systems that we worked on was Linux and seL4. June 2, – 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.
School of Innovation, Design and Engineering.