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2023 IEEE International Conference on Electrical, computer and Energy Technologies, ICECET 2023

作者： Hafiz, Muhammad Ikram University of Kassel Department of Computer Architecture and System Programming Kassel Germany

ISBN: (纸本)9798350327816

This work presents a practical approach of designing a functionally safe ECU for automotive application by implementing the Model Based Development (MBD) methodology. Functional safety (FuSa) in automotive can be achieved by strictly following the processes of electrical and electronic systems development as given in the ISO 26262. The scope of FuSa encompasses the risks emerging from systematic failures and random hardware failures. One approach to mitigate these failures is the Model Based Development (MBD) on which the ISO 26262 provides guidance. This approach enables to model an ECU and accelerates an IP creation by automatic RTL code generation for rapid prototyping on an FPGA level. In this work the MBD is implemented in accordance to the ISO 26262 to design and test a hardware model of an embedded ECU. The embedded Design under Test (DUT) is simulated and its output verified in Matlab/Simulink. Upon successful results, the RTL codes of the DUT are generated for a target FPGA. The RTL codes are simulated and the functionality of the DUT is verified at the FPGA level. © 2023 IEEE.

关键词： FPGA Functional Safety HDL code generation ISO 26262 Model Based Development systematic failures

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Basic VHDL tests conforming to IEC 61508

Basic VHDL tests conforming to IEC 61508

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International Conference on Networked Sensing systems

作者： Hayek, Ali Schreiber, Michael Borcsok, Josef Computer Architecture and System Programming University of Kassel 34121 Kassel Germany

ISBN: (纸本)9781424479108

The development of embedded sensing applications based on integrated circuits leads to ever-growing complexity of VHDL-code and requires sophisticated testability to achieve high diagnostic coverage. The norm IEC 61508 provides a set of requirements for the implementation of safety-related software. This paper deals with the testing of VHDL modules according to IEC 61508. Since VHDL is a hardware description language and differs from traditional software languages, new testing aspects and common coverage criteria are examined with respect to basic needs resulting from those differences. Therefore, a development process according to the V-Model is introduced and a classification of VHDL modules is proposed, providing a basis on which several testing methods and exit-criteria can be evaluated with respect to specific design attributes common for each class. © 2010 IEEE.

关键词： computer hardware description languages

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Reliable Code Generation and Test Environment demonstrated on a PI-Controller Design

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IFAC-PapersOnLine 2016年第3期49卷 465-470页

作者： Schwarz, M.H. Sheng, H. Üstoglu, I. Chabaan, W. Börcsök, J. Safety Computer Technology University of Kassel Germany Control and Automation Engineering Department Yildiz Technical University Istanbul Turkey Computer Architecture and System Programming University of Kassel Germany

This paper focuses on the latest version of a tool developed within the department to guide developer through the various steps of requirements, test-procedures and documentations to finally download the derived algorithm on a safety programmable logic controller (PLC). Requirements on how to develop and how to test software are steadily increasing due to international standards, which have to be obeyed in industries in general, and in the process- and automation industries in particular. A simple model is derived to be used to develop a PI controller that has to pass several steps to be qualified for execution on a PLC. The paper explains the different steps and describes the various problems that might occur. © 2016

关键词： Controllers Accident prevention Reliability Software testing Automated code generation Automation industry International standards P i controller designs PI control Programmable Logic Controller (PLC) Simple modeling Test Environment

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Influences of attacks on safety related systems

Influences of attacks on safety related systems

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23rd International Congress on Condition Monitoring and Diagnostic Engineering Management, COMADEM 2010

作者： Börcsök, J. Ugljesa, E. Dept. of Computer Architecture and System Programming University of Kassel Kassel Germany

ISBN: (纸本)9784883254194

Several standards and guidelines give advice on the development of qualitative and quantitative criteria to evaluate safety related systems, in order to apply these in safety critical applications. These standards don't take into account the possibility of an external attack on the safety related system. In this paper, we will describe the current situation and explore methods and models for security and safety related systems with the help of Markov-models.

关键词： Markov processes

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Calculation of safety parameters

Calculation of safety parameters

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23rd International Congress on Condition Monitoring and Diagnostic Engineering Management, COMADEM 2010

作者： Börcsök, J. Department of Computer Architecture and System Programming University of Kassel Germany

ISBN: (纸本)9784883254194

The standard IEC/EN 61508 defines the requirements for safety systems to be applied to industrial plant safety independently of the application. It is not only intended as a basis for the development of future application orientated standards, but also as a basis of all safety related electrical, electronic and programmable electronic systems, in order to apply it to safety critical applications. The purpose of this paper is to describe the SILCas tool which enables the user to determine the Safety Integrity Level (SIL) and the probability of failure on demand (PFD) for entire SIFs (consisting of sensor, signal processing, actuator) and for different system architectures.

关键词： Accident prevention

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Development of a Safe Charging Infrastructure system: Requirements, Design, Verification and Validation 10th

Development of a Safe Charging Infrastructure System: Requ...

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10th International Conference on Smart Cities and Green ICT systems, SMARTGREENS 2021, and 7th International Conference on Vehicle Technology and Intelligent Transport systems, VEHITS 2021

作者： Kivelä, Tommi Sperling, Marvin Abdelawwad, Mohamed Drabesch, Malte Schwarz, Michael Börcsök, Josef Furmans, Kai Karlsruhe Germany Department of Computer Architecture and System Programming University of Kassel Kassel Germany

ISBN: (纸本)9783031170973

With the ongoing shift from fossil fuels towards electric mobility, there’s an increasing need for charging infrastructure for electric vehicles, both private and public. With this increasing role of charging infrastructure in day-to-day life, safety and security should be guaranteed for these systems. In this work we report on the development of an integrated electronic charging infrastructure system. The development was based on both current functional safety and charging infrastructure standards. The whole development process is presented, including requirements analysis, overall system design, safety hardware and software design, as well as the verification & validation of the safety system against the requirements set in the beginning. The presented work can be used as a basis and reference for the functional safety aspects when developing next generation charging infrastructure systems. © 2022, Springer Nature Switzerland AG.

关键词： systems analysis

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A filtered tuning method for a GPC controller

A filtered tuning method for a GPC controller

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IET Irish Signals and systems Conference, ISSC 2010

作者： Schwarz, M.H. Cox, C.S. Börcsök, J. Department of Computer Architecture and System Programming Safety Computer Technology University of Kassel Kassel Germany Control Systems Centre University of Sunderland Sunderland United Kingdom Department of Computer Architecture and System Programming University of Kassel Kassel Germany

ISBN: (纸本)9781849192521

This paper presents a new tuning method based on model parameters identified in closed-loop. For classical controllers such as PI(D) controllers a large number of simple tuning methods for various application areas exist. However, when it comes to designing a generalised predictive controller (GPC) four parameters have to be specified. To choose those parameters is not a trivial task since they are not directly related to control or regulation performance. The presented tuning method exploits model-parameters to select suitable controller parameters. Additionally, a Rhinehart filter is incorporated in the design to decrease the impact of noise, therefore, a fifth parameter has to be optimised. The proposed method has been tested in simulation and on a real system.

关键词： Controllers

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Efficiency Measurement of Compressed Air Compressors Using High Availability SoC with 1oo2 Redundancy architecture 11

Efficiency Measurement of Compressed Air Compressors Using H...

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11th International Conference on Electronics, Communications and Networks, CECNet 2021

作者： Abdelawwad, Mohamed Hahn, Eike Boercsoek, Josef Fairbrother, Julian Al Shahadat, Tarek Otto, Peter ICAS Institute for Computer Architecture and System Programming University of Kassel Kassel Germany Postberg + Co. GmbH Kassel Germany

ISBN: (纸本)9781643682402

Compressed air systems are essential components in various industrial and everyday applications. The efficiency of these systems is very important due to their role in the energy consumption of industrial plants. To increase efficiency, a new concept for compressed air compressors based on Industry 4.0 is presented. Due to the aggressive environmental conditions in which the compressed air compressors operate, a new design of a SoC with high availability based on 1oo2 redundancy architecture is developed. © 2022 The authors and IOS Press.

关键词： Energy utilization

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Different aspects to be considered for safety related development

Different aspects to be considered for safety related develo...

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23rd International Congress on Condition Monitoring and Diagnostic Engineering Management, COMADEM 2010

作者： Schwarz, M.H. Börcsök, J. Dept. Computer Architecture and System Programming University of Kassel Germany Safety Computer Technology University of Kassel Germany

ISBN: (纸本)9784883254194

This paper presents the recent design and development aspects considered within a current project running at the department of computer architecture and system programming. The project "Safety WLAN architectures for safety critical applications related to diagnostic and predictive maintenance possibilities" includes the aspects of diagnostic and predictive maintenance strategies as well as safety related hardware, reliable software design and reliable wireless communication. This paper considers design strategies for the development of reliable, safe sensor systems for process control.

关键词： Software design

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Estimation and evaluation of the 1004-architecture for safety related systems

Estimation and evaluation of the 1004-architecture for safet...

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7th International Conference on Electrical and Electronics Engineering, ELECO 2011

作者： Börcsök, Josef Hayek, Ali Computer Architecture and System Programming University of Kassel Wilhelmshöher Allee 71 34121 Kassel Germany

ISBN: (纸本)9786050102048

In the standard IEC 61508 miscellaneous architectures for safety related systems are introduced. Depending on the required safety, reliability and availability levels several architectures such as 1002-, 2002-, 1003-, and 2003-architectures can be selected. In this paper, the concept and calculation of a novel architecture is presented. The 1004-architecture (one out of four) represents an advanced safety architecture, which is 3-failure safe. This means that at least one of the four channels have to work correctly in order to trigger the safety function. In order to classify the quality of the proposed architecture for safety related systems the PFD-value is calculated. Additionally, the Markov-model for a 1004-architecture is introduced and the MTTF-value for this architecture is calculated. The results are high safety and high reliability. © 2011 Chamber of Turkish Electric.

关键词： architecture

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