00:00

Improving Brake Inspection for Heavy Duty Vehicles: Proposal for Real-Time Access to Brake Demand Values

The document discusses the challenges in inspecting fully loaded Heavy Duty Vehicles (HDV) during Periodic Technical Inspections (PTI) and proposes using the relationship between pneumatic pressure and braking force as an alternative method. Data highlights that brake defects are a major issue, with service brake efficiency defects being common. The proposal aims to define how brake demand values can be accessed in real-time during PTI in a standardized manner to enhance brake inspection processes. Additionally, the need for accessing brake demand values for HDV M, N, and O categories is emphasized for both PTI and roadside inspections, with no cybersecurity threat involved.

zambonino
Download Presentation

Improving Brake Inspection for Heavy Duty Vehicles: Proposal for Real-Time Access to Brake Demand Values

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript


  1. Informal document GRVA 18th GRVA, 22-26 September 2024 Provisional agenda item 8(b) GRVA- -18 18- -29 29 Submitted by the expert from CITA EMB and PTI 18thGRVA MEETING January 22ndto 26th, 2024 Alejandro Checa | Technical Director | a.checa@citainsp.org Olivier Pletinckx | Technical Manager | o.pletinckx@citainsp.org 1

  2. Inspection of brakes of HDV – current status: • Requesting fully loaded HDV in PTI is extremely challenging: • M2 and M3 • ADR • Garbage trucks • Animal transport • … • The relationship between the pneumatic pressure and braking force is used as an alternative to inspecting fully loaded vehicles 2

  3. Some data: • Defects on brakes account for 60% of the defects of M2, M3, N2, N3, O3, O4, T and R vehicles (1) • Service brake efficiency defect is the 5thmost frequent PTI defect for the above vehicles (1) • Rejected vehicles of categories M2, M3, N2, N3, O3, and 04 because of brakes range from 10,4 to 13.1% (2) (1) Slovakia, 2022. (2)Croatia, 2023 3

  4. The current proposal for EMB(3)already contains provisions for reference brake forces related to a “brake demand value” The Regulation needs to be completed to define how brake demand values will be accessed in real-time during PTI in the most standardized way. (As today UN R13 defines a plug to connect a pressure gauge to retrieve real-time pressure and compare it with the braking forces) (3) ECE/TRANS/WP.29/GRVA/2024/13 4

  5. Reference forces and real-time access to the vehicle’s “brake demand value” during PTI and roadside inspection needs to be available at least for HDV M, N, and O Please notice the above only implies reading information, therefore it is not a threat to cybersecurity 5

  6. Moreover: When friction braking is combined with electric braking, it is necessary to know, which is the system slowing down the vehicle during the PTI tests. PTI checks both emergency and regular braking. 6

  7. Thank you for your attention! www.citainsp.org www.citainsp.org Rue du Commerce 123 - 1000 Brussels, Belgium +32 (0)2 469 06 70 secretariat@citainsp.org 7

More Related