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Author: Truck and Bus Automation Safety Committee
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This SAE Recommended Practice establishes a uniform, powered vehicle test procedure and minimum performance requirement for lane departure warning systems used in highway trucks and buses greater than 4546 kg (10000 pounds) GVW. Systems similar in function but different in scope and complexity, including Lane Keeping/Lane Assist and Merge Assist, are not included in this document. This document does not apply to trailers, dollies, etc. This document 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. Moreover, the specification determines whether a system performs at a minimally acceptable level. The HMI is not addressed herein but is considered in SAE Standard J2808. This document is being revised to update SAE J3045 to include minimum performance requirements.
Author: Truck and Bus Automation Safety Committee
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This SAE Recommended Practice establishes a uniform, powered vehicle test procedure and minimum performance requirement for lane departure warning systems used in highway trucks and buses greater than 4546 kg (10000 pounds) GVW. Systems similar in function but different in scope and complexity, including Lane Keeping/Lane Assist and Merge Assist, are not included in this document. This document does not apply to trailers, dollies, etc. This document 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. Moreover, the specification determines whether a system performs at a minimally acceptable level. The HMI is not addressed herein but is considered in SAE Standard J2808. This document is being revised to update SAE J3045 to include minimum performance requirements.
Author: Truck and Bus Automation Safety Committee
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
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. 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.
Author: Truck and Bus Automation Safety Committee
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This SAE Recommended Practice (RP) establishes uniform powered vehicle level test procedure for Forward Collision Avoidance and Mitigation (FCAM) systems (also identified as Automatic Emergency Braking (AEB) systems) used in highway commercial vehicles and coaches greater than 4535 Kg (10,000 lb.) GVWR. This RP does not apply to trailers, dollies, etc. and does not intend to exclude any particular system or sensor technology. These FCAM systems utilize various methodologies to identify, track and communicate data to the operator and vehicle systems to warn, intervene and/or mitigate in the longitudinal control of the vehicle. With the commercial availability of Forward Collision Avoidance and Mitigation (FCAM) systems for commercial vehicles greater than 4535 Kg (10,000 lb.) GVWR, a vehicle test procedure to evaluate the effectiveness of these systems is justified. This document outlines a basic test procedure to be performed under specified operating and environmental conditions. It does not define tests for all possible operating and environmental conditions. Minimum performance requirements are not addressed in this document.
Author: Advanced Driver Assistance Systems (ADAS) Committee
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
The Lane Departure Warning (LDW) system is a crash-avoidance technology which warns drivers if they are drifting (or have drifted) out of their lane or from the roadway. This warning system is designed to reduce the possibility of a run-off-road crash. This system will not take control of the vehicle; it will only let the driver know that he/she needs to steer back into the lane. An LDW is not a lane-change monitor, which addresses intentional lane changes, or a blind spot monitoring system which warns of other vehicles in adjacent lanes.This informational report applies to OEM and after-market Lane Departure Warning systems for light-duty vehicles (gross vehicle weight rating of no more than 8500 pounds) on relatively straight roads with a radius of curvature of 500 m or more, and under good weather conditions. When a vehicle unintentionally leaves the vehicle lane, the crash risk to the occupants of that vehicle and other road users increases. That risk can be reduced by informing the driver of an impending or existing lane departure. That topic is addressed by to ISO 17361:2007 - Intelligent transport systems - Lane departure warning systems - Performance requirements and test procedures (2007). However, that ISO document lacks adequate detail on the research that is applicable to the design of that interface, information needed to promote the design of safe, easy to use, and consistent human interfaces for lane departure warning systems. That research is summarized in this information report.
Author: British Standards Institute Staff
Publisher:
ISBN: 9780580506963
Category :
Languages : en
Pages : 28
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Book Description
Road vehicles, Road transport, Navigation, Safety devices, Traffic lanes, Roads, Drivers (vehicles), Warning devices, Alarm systems, Traffic control, Information exchange, Classification systems, Ergonomics, Test methods
Author: https://www.chinesestandard.net
Publisher: https://www.chinesestandard.net
ISBN:
Category : Technology & Engineering
Languages : en
Pages : 20
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Book Description
This document specifies the terms and definitions, symbols, technical requirements, and test methods for lane keeping assist systems of commercial vehicles. This document is applicable to vehicles of Category M2, Category M3, and Category N equipped with a lane keeping assist system (hereinafter referred to as the ¡°system¡±) with a lane departure prevention function.
Author: Harold Franck
Publisher: CRC Press
ISBN: 1420089013
Category : Law
Languages : en
Pages : 310
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Book Description
Over the past 25 years, Harold and Darren Franck have investigated hundreds of accidents involving vehicles of almost every shape, size, and type imaginable. In Mathematical Methods for Accident Reconstruction: A Forensic Engineering Perspective, these seasoned experts demonstrate the application of mathematics to modeling accident reconstructions
Author: Azim Eskandarian
Publisher: Springer
ISBN: 9780857290847
Category : Technology & Engineering
Languages : en
Pages : 0
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Book Description
The Handbook of Intelligent Vehicles provides a complete coverage of the fundamentals, new technologies, and sub-areas essential to the development of intelligent vehicles; it also includes advances made to date, challenges, and future trends. Significant strides in the field have been made to date; however, so far there has been no single book or volume which captures these advances in a comprehensive format, addressing all essential components and subspecialties of intelligent vehicles, as this book does. Since the intended users are engineering practitioners, as well as researchers and graduate students, the book chapters do not only cover fundamentals, methods, and algorithms but also include how software/hardware are implemented, and demonstrate the advances along with their present challenges. Research at both component and systems levels are required to advance the functionality of intelligent vehicles. This volume covers both of these aspects in addition to the fundamentals listed above.
Author: United States. Congress. Senate. Committee on Commerce, Science, and Transportation. Subcommittee on Surface Transportation and Merchant Marine Infrastructure, Safety, and Security
Publisher:
ISBN:
Category : Fatigue
Languages : en
Pages : 68
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Book Description
Author: Emergency Warning Lights and Devices Standards Committee
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
This SAE Recommended Practice provides test procedures, requirements, and guidelines for the system of optical warning devices used on emergency vehicles. The document was revised to unify the terminology and test methods with other Emergency Warning Lights & Devices documents. Also, changes were made to remove the duplication of test requirements between this document and SAE J595 and SAE J845 such that EWD Lamp Assemblies tested under those standards may be more easily evaluated per this document. 2.1.1 - SAE Publications section revised to remove publications not referenced within document. Removed SAE J575 and SAE J1889. 3.4, 3.5, 3.6, 3.7, 3.8 - Terminology is revised to match adopted terms of SAE J845: Lower Level Optical Warning Devices, Optical Power, EWD Lamp Assembly, Optical Warning Device, and Upper Level Optical Warning Devices. 3.9 - Updated Figure 1 to remove split zones previously used for intermediate vehicle size. 4.1.3 - Removed along with Section 7. 5.1 - Reworded to standardize testing to SAE J845 methods. 5.2 - Photometric Tests section now refers to SAE J845 in order to standardize test setup, procedure, and process. 6.3.2, 6.3.2.3, 6.4 - For consistency with industry definitions and practices: Length specified for midship device requirement revised to 7.6 m (25 feet), (previously 6.7 m (22 feet)). 6.4.1.4/6.4.2.2 Steady burning statement moved from 6.2.1 in order to be more closely tied to the applicable test. 6.4.2 (Previous) - Intermediate Emergency Vehicle section removed. Industry practice is to utilize the large vehicle requirements for vehicles in the category. The adjustment in length and height in other sections allows many vehicles previously defined as Intermediate to be categorized as Small. 6.4.2 - Small vehicle height revised to 96 inches, was 82 inches. 6.4.2.2 "Level" column removed from Tables 3A and 3B, no longer applicable. 7 - Guidelines section removed as this is not industry practice and is unwieldy and difficult in actuality. "Optical Warning Device" is substituted for "Warning Device" throughout document. References to "Intermediate Emergency Vehicles" removed throughout document. Sections 5.2, 6.4, and 7 as well as Tables 3A and 3B renumbered due to edits above.
