Truck and Bus Lane Departure Warning Systems Test Procedure

Standard:
Issued:
  • 2015-07-30
 
  • CURRENT
Publisher:
  • SAE International
Pages:
16
Scope:

This SAE recommended practice establishes a uniform, powered vehicle T.P. for lane departure warning systems used in highway trucks and buses greater than 4,546 kg (10,000 lb) GVW. Systems similar in function but different in scope and complexity, including Lane Keeping/Lane Assist and Merge Assist, are not included in this T.P. This T.P. does not apply to trailers, dollies, etc. This T.P. does not intend to exclude any particular system or sensor technology.

The specification will test the functionality of the LDWS (e.g., ability to detect lane presence, and ability to detect an unintended lane departure), its ability to indicate LDWS engagement, its ability to indicate LDWS disengagement, and determine the point at which the LDWS notifies the Human Machine Interface (HMI) or vehicle control system that a lane departure event is detected. The HMI is not addressed herein, but is considered in SAE Standard J2808.

Rationale:

With the commercial availability of various Lane Departure Warning Systems (LDWS) and limited existing standards and regulations for trucks and buses greater than 4,546 kg (10,000 lb) Gross Vehicle Weight (GVW), a vehicle test procedure (T.P.) of common methods to evaluate the effectiveness of these systems is justified. These lane departure systems utilize various methodologies to identify, track and communicate unintended lane departure warning information to the operator so that unintended lane departures can be prevented. This document outlines a basic test procedure to be performed under ideal operating and environmental conditions and does not define tests for all possible operating and environmental conditions. Minimum performance requirements are not addressed in this document. Although a technology-agnostic test procedure is presented (i.e., the test procedure described herein serves vision-based systems, GPS-based systems, magnetic-based systems, etc.), future revisions or separate recommended practices will be developed to accommodate other technologies should the need arise.

History:
Standard Published Revision Status
J3045_201507 2015-07-30 Latest Issued
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