User Studies of a Sketch-Based Collaborative Distant Design Solution in Industrial Context

AbstractCar crash simulation analysis is an important phase within the vehicle development. It intends to analyse the crashworthiness of the vehicle model and examine the level of passive security. However, this activity is not trivial because of the considerable collaboration within the project, the large amount of analysed and exchanged data and a high exigency. Consequently, a solution to assist, ease and reduce the time of the process is desired.To study the current practices followed in the car crash simulation analysis an empirical study has been conducted. This study has been applied within the simulation analysis team, in the development phase, within an automotive company. This paper describes a qualitative analysis of the industrial context and diagnoses the dysfunctions in the current practices. This paper also highlights the current challenges encountered in the car crash simulation analysis.

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Space Charge Effects in Noble-Liquid Calorimeters and Time Projection Chambers

Instruments ◽

10.3390/instruments5010009 ◽

2021 ◽

Vol 5 (1) ◽

pp. 9

Author(s):

Sandro Palestini

Keyword(s):

Space Charge ◽

Scaling Laws ◽

Relative Size ◽

Design Solution ◽

Space Charge Effects ◽

Charge Effects ◽

Time Projection Chambers ◽

Drift Length ◽

Calibration Methods ◽

Time Projection

The subject of space charge in ionization detectors is reviewed, showing how the observations and the formalism used to describe the effects have evolved, starting with applications to calorimeters and reaching recent, large time-projection chambers. General scaling laws, and different ways to present and model the effects are presented. The relations between space-charge effects and the boundary conditions imposed on the side faces of the detector are discussed, together with a design solution that mitigates some of the effects. The implications of the relative size of drift length and transverse detector size are illustrated. Calibration methods are briefly discussed.

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INTEGRATION OF BLOCKCHAIN TECHNOLOGIE IN CASE OF SYSTEMS ENGINEERING AND SOFTWARE ENGINEERING IN AN INDUSTRIAL CONTEXT

Proceedings of the Design Society ◽

10.1017/pds.2021.450 ◽

2021 ◽

Vol 1 ◽

pp. 1887-1896

Author(s):

Vahid Salehi

Keyword(s):

Software Engineering ◽

Systems Engineering ◽

Data Entry ◽

Product Lifecycle Management ◽

Vehicle Engineering ◽

Blockchain Technology ◽

Software Engineering Process ◽

Lifecycle Management ◽

Model Based Systems Engineering ◽

Industrial Context

AbstractCurrently, inconsistent software versions lead to massive challenges for many car manufacturers. This is partly because within the product lifecycle management and the software engineering process, there is no correct handling of software versions for the “data entry” (installation of software on the ECU) of the vehicles. Furthermore, there are currently major challenges for many vehicle manufacturers to ensure transparency, integrity and full traceability of SW data status vis-à-vis the legislator. To counteract these challenges, new solutions in the field of vehicle engineering are to be developed based on a new platform called “CarEngChainNet” and Blockchain technology. On the basis of the “CarEngChainNet” platform, new main and sub-chain chains will be developed that allow tamper-proof SW data management (Peer to Peer and crypto technology) across the entire PLM chain with new methods such as model-based systems engineering of the requirement, function and integration of the SW components in different areas of vehicle development. The aim is to develop new transmission chains of vehicles with individually packaged software artefacts (e.g. ECU software) that can be securely transmitted from server to server into the vehicle.

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