Fordonsteknik

Ämnesområden: Bromssystem; Hydraulvätskor
Kommittébeteckning: SIS/TK 217 (Bromssystem för kommersiella fordon)
Källa: ISO
Svarsdatum: den 4 mar 2020
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This International Standard specifies the composition and characteristics of a reference fluid used for the compatibility testing of hydraulic braking systems and components mounted on road vehicles.

Ämnesområden: Bromssystem; Hydraulvätskor
Kommittébeteckning: SIS/TK 217 (Bromssystem för kommersiella fordon)
Källa: ISO
Svarsdatum: den 4 mar 2020
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This International Standard gives the specifications — requirements and test methods — for non-petroleum-base fluids used in road-vehicle hydraulic brake and clutch systems that are designed for use with such fluids and equipped with seals, cups or double-lipped type gland seals made of styrene-butadiene rubber (SBR) and ethylene-propylene elastomer (EPDM).

Kommittébeteckning: SIS/TK 236 (Fordonsdynamik)
Källa: ISO
Svarsdatum: den 20 mar 2020
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This document specifies a method for comparing simulation results from a vehicle model to measured test data for an existing vehicle according to closing-curve tests as specified in ISO 11026:2011. The purpose of the validation is to demonstrate that the vehicle dynamics simulation, combined with an integrated electronic stability control (ESC) system, can predict the roll and yaw stability behaviour of a physical vehicle, including the ESC system interventions, during a closing-curve test. The simulation method can be either hardware-in-the-loop (with the original electronic control unit (ECU) on a HiL test stand) or software-in-the-loop, based on a software code generated from the same source as for the ECU in the real vehicle. The standard applies to heavy vehicles, including commercial vehicles, commercial vehicle combinations, buses and articulated buses as defined in ISO 3833 (trucks and trailers with a maximum weight above 3.5 tonnes and buses and articulated buses with a maximum weight above 5 tonnes, according to ECE and EC vehicle classification, categories M3, N2, N3, O3 and O4).

Kommittébeteckning: SIS/TK 154 (Gummi och gummiprodukter)
Källa: ISO
Svarsdatum: den 16 apr 2020
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This document specifies the requirements for rubber or thermoplastic hoses and hose assemblies used for circulating liquid and gaseous R1234yf (tetrafluoropropene) in the air-conditioning systems of automobiles. The hoses and hose assemblies are designed in such a way as to restrict losses of refrigerant and contamination of the system. The operational temperature range is -40 °C to +125 °C.

Due to the critical relationship between the hose and coupling for this application, a requirement that the coupling to be used in service be used for testing is laid down.

Kommittébeteckning: SIS/TK 240 (El- och elektronikutrustning för vägfordon)
Källa: ISO
Svarsdatum: den 27 apr 2020
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This document specifies requirements for cybersecurity risk management regarding engineering for concept, development, production, operation, maintenance, and decommissioning for road vehicle electrical and electronic (E/E) systems, including their components and interfaces.

A framework is defined that includes requirements for cybersecurity processes and a common language for communicating and managing cybersecurity risk. 

This document is applicable to series production road vehicle E/E systems, including their components and interfaces whose development or modification began after the publication of the document.

This document does not prescribe specific technology or solutions related to cybersecurity.