Daniel Skarin

Daniel Skarin

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15
Publications
5,667
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241
Citations

Publications

Publications (15)
Technical Report
This paper outlines a business model for selling safety-related components. The goal is protection of the suppliers' intellectual property whilst providing confidence, to the customer, that the component is safe. The ideas in this paper are based on the Safety Element out of Context-concept as given in ISO 26262. To this we add ideas from IEC 61508...
Preprint
Full-text available
This paper outlines a business model for selling safety-related components. The goal is protection of the suppliers' intellectual property whilst providing confidence, to the customer, that the component is safe. The ideas in this paper are based on the Safety Element out of Context-concept as given in ISO 26262. To this we add ideas from IEC 61508...
Article
We present a quadcopter platform built with commodity hardware that is able to do localization in GNSS-denied areas and avoid collisions by using a novel easy-to-setup and inexpensive ultrasound-localization system. We address the challenge to accurately estimate the copter's position and not hit any obstacles, including other, moving, quadcopters....
Conference Paper
MODIFI is a fault injection tool targeting software developed as Simulink models. In this paper, we describe three techniques for visualizing fault injection results obtained using the MODIFI tool. The first technique shows the progress of a fault injection campaign, and the outcome of individual experiments, using a 3D visualization of the fault i...
Chapter
Functional safety is becoming increasingly important in the automotive industry to deal with the growing reliance on the electrical and/or electronic (E/E) systems and the associated complexities. The introduction of ISO 26262, a new standard for functional safety in road vehicles, has made it even more important to adopt a systematic approach of e...
Article
Full-text available
This paper describes a vehicle-to-vehicle (V2V) communication system that is developed in the SARTRE project The project vision is to develop and integrate technology that enables vehicles to drive in platoons. SARTRE defines a platoon (or road train) as a collection of vehicles where a manually driven heavy lead vehicle is followed by several auto...
Conference Paper
Full-text available
This paper describes a vehicle-to-vehicle (V2V) communication system that is developed in the SARTRE project. The project vision is to develop and integrate technology that enables vehicles to drive in platoons. SARTRE defines a platoon (or road train) as a collection of vehicles where a manually driven heavy lead vehicle is followed by several aut...
Conference Paper
This paper presents GOOFI-2, a comprehensive fault injection tool for experimental dependability assessment of embedded systems. The tool includes a large number of extensions and improvements over its predecessor, GOOFI. These include support for three widely used fault injection techniques, two target processors, and a variety of new features for...
Conference Paper
Experimental dependability studies usually produce an amount of data substantially greater than what can be presented in a research paper or a technical report. For this reason, authors condensate the results into more succinct forms that allow them to convey their message. Since a large amount of the original data is left unexplored, sharing it al...
Conference Paper
Full-text available
This paper investigates sources of uncertainty in measurement results obtained using three different fault injection techniques. Two software-implemented and one test port-based technique are characterized and compared. The three techniques can be used to inject the same faults, which are defined in a shared database. Due to the uncertainties assoc...
Article
This paper describes the design and evaluation of two software implemented error detection and system recovery mechanisms that protect a prototype brake-by-wire controller from soft errors. We used an eval-uation driven design process to develop the software mechanisms, which are specifically designed to prevent soft errors from causing critical fa...
Conference Paper
This paper presents an experimental study of the impact of soft errors in a prototype brake-by-wire system. To emulate the effects of soft errors, we injected single bit-flips into "live" data in the architected state of a MPC565 microcontroller. We first describe the results of an error injection campaign with a brake-by-wire controller in which h...
Thesis
This thesis addresses the problem of tolerating soft errors in brake-by-wire systems. Soft errors are caused by ionizing particles and manifest themselves as bit-flips in memory registers, latches, and flip-flops. As transistors are shrunk to sustain Moore's law, the frequency of such radiation-induced faults increases. The overall goal of the thes...
Article
This paper presents an experimental evaluation of the impact of soft errors in a brake-by-wire system for road vehicles. Our goal is to assess the risk that soft errors will cause the brake system to produce undetected dangerous outputs. To this end, we injected single bit-flips in the CPU registers and the main memory of a MPC565 microcontroller r...

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