SAE J2426-1998 Occupant Restraint System Evaluation.Lateral Rollover System-Level Heavy Trucks.pdf
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1、SAE Technical Standards Board Rules provide that: “This report is published by SAE to advance the state of technical and engineering sciences. The use of this report is entirely voluntary, and its applicability and suitability for any particular use, including any patent infringement arising therefr
2、om, is the sole responsibility of the user.” SAE reviews each technical report at least every five years at which time it may be reaffirmed, revised, or cancelled. SAE invites your written comments and suggestions. QUESTIONS REGARDING THIS DOCUMENT: (724) 772-8512 FAX: (724) 776-0243 TO PLACE A DOCU
3、MENT ORDER; (724) 776-4970 FAX: (724) 776-0790 SAE WEB ADDRESS http:/www.sae.org Copyright 1998 Society of Automotive Engineers, Inc. All rights reserved.Printed in U.S.A. SURFACE VEHICLE 400 Commonwealth Drive, Warrendale, PA 15096-0001 RECOMMENDED PRACTICE Submitted for recognition as an American
4、National Standard J2426 ISSUED JAN1998 Issued1998-01 Occupant Restraint System EvaluationLateral Rollover System-Level Heavy Trucks 1.ScopeThis SAE Recommended Practice describes the test procedures for conducting simulated dynamic lateral rollover restraint system tests for heavy truck applications
5、. Its purpose is to establish recommended test procedures that will standardize restraint system testing for heavy trucks. Descriptions of the test set-up, test instrumentation, photographic/video coverage, and the test fixtures are included. 2.References 2.1Applicable PublicationsThe following publ
6、ications form a part of the specification to the extent specified herein. Unless otherwise indicated the latest revision of SAE publications shall apply. 2.1.1SAE PUBLICATIONSAvailable from SAE, 400 Commonwealth Drive, Warrendale, PA 15096-0001. SAE J211-1Instrumentation for Impact TestPart 1: Elect
7、ronic Instrumentation SAE J211-2Instrumentation for Impact TestPart 2: Photographic Instrumentation SAE Engineering Aid 23“Users Manual for the 50th-Percentile Hybrid-III Test Dummy,“ June 1985. SAE CRP-9“Heavy Truck Crashworthiness (Statistics, Accident Reconstruction, Occupant Dynamics Simulation)
8、“, March 1995. SAE CRP-13“Heavy Truck Crashworthiness (Phase III)“, April 1997. 2.1.2FEDERAL PUBLICATIONAvailable from the Superintendent of Documents, U. S. Government Printing Office, Mail Stop: SSOP, Washington, DC 20402-9320. Code of Federal Regulations, Title 49, Part 571.208. 3.Test DummiesFor
9、 the dynamic lateral rollover tests described in the following sections, restraint systems should be evaluated with the aid of a test dummy. The test dummy should be of a type that will closely represent the size, weight, and articulation characteristics of a 50th percentile male in a seated positio
10、n. An example of such a test dummy is the Hybrid-III 50th percentile male anthropomorphic test device. The physical characteristics of this dummy are described in SAEs Engineering Aid 23, “Users Manual for the 50th Percentile Hybrid III Test Dummy,“ June 1985. SAE J2426 Issued JAN1998 -2- Applicable
11、 measurement capabilities of the Hybrid-III 50th percentile male test dummy are as follows: Head triaxial acceleration (3 channels) Upper neck forces and moments (6 channels) Lower neck forces and moments (6 channels) Chest triaxial acceleration (3 channels) Chest deflection (1 channel) Lumbar force
12、s and moments (6 channels) Pelvic triaxial accelerations (3 channels) Test dummies of other sizes (i.e., 95th-percentile male, 5th-percentile female, etc.) may be used to evaluate restraint performance for various occupant sizes. 4.Dynamic Lateral Rollover Simulator TestsFor the simulated rollover t
13、ests, all interior cab components that are potential occupant contact surfaces shall be installed on the test fixture with the proper geometrical relationships. Wherever practicable, actual cab components should be used. If not, components with performance characteristics near those expected for pro
14、duction should be mocked in the test fixture. Seat tethers should be set according to the manufacturers specifications. The primary purpose of the rollover simulator tests is to evaluate restraint system performance, occupant excursion, and occupant interaction with interior components during a real
15、-world lateral rollover crash pulse. 4.1Lateral Rollover Simulator Test FixtureFor the lateral rollover simulator test, a fixture with a single-degree- of-freedom rotational axis is required. The pivot point, through which this rotation occurs, shall represent the appropriate outboard tire/ground co
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