Proposal to amend ADS-20-12 (consolidated guidance document). The ADS shall have strategies to detect and respond to instructions from road safety agents. For ADSF-1, this allows transfer of control to the fallback user. Manufacturers may use non-ADS strategies including remote intervention or permitting the road safety agent to drive. Examples of instructions include pull over, give way, stop after collision, move out of way, avoid specific road, and not overtake. Instructions may be issued via lights, sirens, audio messages, written signs, or light bar messages.
Proposal to amend ADS-20-12 (consolidated guidance document). The terms faults, malfunctions, and abnormalities lack distinct meanings in requirement 6.1.4.2. The revised explanation clarifies that “faults, malfunctions, and abnormalities” do not have specific distinct meanings and cover any failure in the ADS’ capability to perform the DDT within the ODD. The three kinds of issues encompassed are warning signals from other systems, faults without warning signals a driver would perceive, and faults within the ADS itself.
Proposal to amend UN R13, 13-H, 79, 89, 130, 131, 152, 155, 156, 157, 171, 175, and 178 by introducing provisions on software identification and software updates. Amendments add new paragraphs referring to Software Identification Number definitions in Consolidated Resolution R.E.3, require manufacturers to provide Technical Services with information on hardware and software influencing performance, permit vehicle manufacturers to apply for new approvals differentiating software versions for registered versus new vehicles while avoiding test duplication, and modify production discontinuation provisions to exclude cases where manufacturers seek approval extensions for software updates of registered vehicles.
The IWG on EDR/DSSAD developed draft proposals for Event Data Recorder for conventional and automated/autonomous vehicles and Data Storage System for Automated Driving. Completed work includes UN R160 on light duty vehicle EDR, UN R169 on heavy duty vehicle EDR, and DSSAD requirements. Current activities address EDR Step 2 and DSSAD Phase 2. The IWG resolved assessment subjectiveness for vehicles with maximum mass up to 12t through a proposed Supplement 2 to UN R169.
Proposal to amend UN GTR No. 21 on determination of system power of hybrid electric vehicles and pure electric vehicles having more than one electric machine for propulsion. The amendment introduces a consolidated reference point concept for identifying where mechanical power is first produced from stored energy in electrified powertrains. Two test procedures (TP1 measuring electrical power and engine parameters; TP2 measuring torque and speed at axles) are defined to determine comparable vehicle system power ratings. Key modifications include requirements for manufacturers to provide verifiable energy conversion factors (K factors), hybrid power flow descriptions, and identification of applicable reference points. Testing involves repeated maximum power measurements on dynamometers at fixed speeds with specified accuracy requirements for instrumentation.
UN R48 baseline text for a 10 series of amendments proposes uniform provisions for vehicle lighting and light-signalling device installation approval. The document consolidates modifications agreed at working group session through dated amendment documents and resolutions. Pending issues include determining “[any] subsequent series” terminology for frozen regulations, renumbering and cross-checking paragraphs, addressing apparent surface visibility, improving daytime running lamp visibility against stop lamps, resolving “prohibited if not allowed” language, and numbering all figures with titles. Editorial polishing includes standardizing hyphenated terminology (“driving-beam,” “passing-beam,” “retro-reflector,” “direction-indicator lamp”), applying consistent UN Regulation references, replacing “communication sheet” with “communication form,” assigning table and figure numbers consistent with similar regulations, and correcting percentage notation to “per cent.”
Proposal addressing use of “aim to” and “designed to”.
Draft text prepared by the ADAS task force secretary based on experts’ input as request for comment.
Text prepared by the task force’s small drafting group.
Text prepared by the task force secretary with request for comment.
Updated with markup from session discussion.
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