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1、BRITISH STANDARD BS ISO 15037-2:2002 Road vehicles Vehicle dynamics test methods Part 2: General conditions for heavy vehicles and buses ICS 43.080.01 ? Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:12:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI BS ISO 15037-2:2002 This British Standar
2、d was published under the authority of the Standards Policy and Strategy Committee on 29 January 2003 BSI 29 January 2003 ISBN 0 580 41148 6 National foreword This British Standard reproduces verbatim ISO 15037-2:2002 and implements it as the UK national standard. The UK participation in its prepara
3、tion was entrusted to Technical Committee AUE/15, Safety related to vehicles, which has the responsibility to: A list of organizations represented on this committee can be obtained on request to its secretary. Cross-references The British Standards which implement international publications referred
4、 to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Online. This publication does not purport to include all the necessary provision
5、s of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsible international/European committee any enquiries on the interpretation, or
6、proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover, the ISO title page, pages ii to v, a blank page, pages 1 to 18, an inside ba
7、ck cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. DateComments Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:12:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Reference num
8、ber ISO 15037-2:2002(E) INTERNATIONAL STANDARD ISO 15037-2 First edition 2002-12-15 Road vehicles Vehicle dynamics test methods Part 2: General conditions for heavy vehicles and buses Vhicules routiers Mthodes dessai de la dynamique des vhicules Partie 2: Conditions gnrales pour vhicules lourds et a
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14、ii BS ISO 150372:2002 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:12:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iii Contents Page Forewordiv Introduction v 1 Scope 1 2 Normative references . 1 3 Terms and definitions. 2 4 Variables 3 5 Measuring equipment. 3 6 Test conditions 8 7 Te
15、st procedure 10 Annex A (normative) Test report General data. 12 Annex B (normative) Test report Test conditions 17 Bibliography . 18 BS ISO 150372:2002 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:12:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI iv Foreword ISO (the International Organ
16、ization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been establish
17、ed has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
18、 International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Pu
19、blication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such paten
20、t rights. ISO 15037-2 was prepared by Technical Committee ISO/TC 22, Road vehicles, Subcommittee SC 9, Vehicle dynamics and road-holding ability. ISO 15037 consists of the following parts, under the general title Road vehicles Vehicle dynamics test methods: Part 1: General conditions for passenger c
21、ars Part 2: General conditions for heavy vehicles and buses BS ISO 150372:2002 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:12:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI v Introduction The dynamic behaviour of heavy vehicles is a most important part of active vehicle safety. Any give
22、n vehicle, together with its driver and the prevailing environment, constitutes a closed-loop system which is unique. The task of evaluating the dynamic behaviour of the vehicle is therefore very difficult, since there is significant interaction between these drivervehicleenvironment elements. Each
23、of these elements is individually complex in themselves. Moreover, the knowledge of the relationship between overall vehicle dynamic properties and accident avoidance is insufficient. The number of variants of heavy vehicles is enormous and each vehicle is itself unique. Therefore, the measured resu
24、lts are valid only for the actual vehicle tested, and the application of results to other, apparently similar, vehicles is not permissible. Test conditions have a strong influence on test results. Only vehicle dynamic properties obtained under virtually identical test conditions are comparable. BS I
25、SO 150372:2002 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:12:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:12:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI INTENRATIONAL TSANDADR IS-73051 O2:(2002E) 1 Road vehicles Vehicle dyna
26、mics test methods Part 2: General conditions for heavy vehicles and buses 1 Scope This part of ISO 15037 specifies the general conditions that apply when vehicle dynamics properties are determined according to ISO test methods carried out on heavy vehicles. These are commercial vehicles, combination
27、s, buses and articulated buses, as defined in ISO 3833 for trucks and trailers above 3,5 t and buses above 5 t maximum weight, and in UNECE (United Nations Economic Commission for Europe) and EC vehicle classification, categories M3, N2, N3, O3 and O4. In particular, it specifies general conditions
28、for variables, measuring equipment and data processing, environment (test track and wind velocity), test vehicle preparation (tuning and loading), initial driving, and test reporting (general data and test conditions), which are of general significance, independent of the specific vehicle dynamics t
29、est procedure. They apply when vehicle dynamics properties are determined, unless other conditions are required by the standard actually used for the test method. NOTE The general conditions defined in existing vehicle dynamics standards are valid up until the point when a respective reference to th
30、is part of ISO 15037 is included. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) a
31、pplies. ISO 1176:1990, Road vehicles Masses Vocabulary and codes ISO 3833:1977, Road vehicles Types Terms and definitions ISO 8855:1991, Road vehicles Vehicle dynamics and road-holding ability Vocabulary UNECE Regulation No. 13, Uniform provisions concerning the approval of vehicles of categories M,
32、 N and O with regard to braking (Series 09: 28 August 1996 and supplements 1 to 4: 4 February 1999) UNECE Regulation No. 30, Uniform provisions concerning the approval of pneumatic tyres for motor vehicles and their trailers BS ISO 150372:2002 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 1
33、4:12:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 2 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 8855 and the following apply. 3.1 vehicle unit unit of vehicle combination connected with a yaw-articulation joint EXAMPLE Tractor, semitrailer or do
34、lly. NOTE The number of vehicle units is one more than the number of articulation joints. 3.2 offtracking lateral deviation between the path of the centre-line point of the front axle of the vehicle and the path of the centre-line point of some other part of the vehicle NOTE 1 If a single number is
35、given, it becomes the maximum offtracking. NOTE 2 In a single-lane-change manoeuvre where the path of the other part is farther from the projection of the original path of the vehicle than the path of the front axle, the path of the other part is said to “overshoot” the path of the front axle at tha
36、t point. In the opposite case, the path of the other part is said to “undershoot” the path of the front axle. 3.3 rearward amplification ratio of the maximum value of the motion variable of interest (e.g. lateral acceleration or yaw velocity) of a following vehicle unit to that of the first vehicle
37、unit during a specified manuvre 3.4 zero damping speed speed at which the damping coefficient of the free oscillatory yaw movements of the vehicle combination equals zero 3.5 reference damping speed speed at which the damping coefficient of the free oscillatory yaw movements of the vehicle combinati
38、on equals 0,05 3.6 centre-line point point at the intersection of the ground plane and the xz plane of symmetry of the part of interest, which point lies directly below a longitudinal reference position NOTE For an axle, the longitudinal reference point is the wheel-spin axis. For other parts, the l
39、ongitudinal reference point needs to be stated. 3.7 yaw articulation angle yaw angle of the X axis of the intermediate axis system of a more forward vehicle unit in the intermediate axis system of a following vehicle unit, i.e. the angle between the X axes of the two units, with polarity determined
40、by the rotation of the leading unit in the axis system of the following unit NOTE The units involved are usually adjacent, but not necessarily so. BS ISO 150372:2002 Licensed Copy: sheffieldun sheffieldun, na, Sun Nov 26 14:12:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 3 4 Variables 4.1 Reference
41、 system The variables of motion used to describe the vehicle behaviour in a test-specific driving situation relate to the intermediate axis system (X, Y, Z). See ISO 8855. The location of the origin of the intermediate axis system of a vehicle unit is the reference point for that unit. The location
42、is at ground level in the plane of symmetry at the longitudinal position of the rearmost non-lifting axle of the unit. 4.2 Variables to be measured To describe the horizontal dynamics of a vehicle or vehicledriver system, the following variables are relevant (but are not intended to comprise a compl
43、ete list): lateral acceleration of each vehicle unit (aY); roll angle of each vehicle unit at relevant points (); sideslip angle of each vehicle unit (); articulation angle (); wheel load (FZ); yaw velocity of each vehicle unit (?); longitudinal velocity (vX); offtracking of points of interest (r);
44、longitudinal acceleration (aX); steering wheel angle (H); steering wheel torque (MH). These variables are defined in this part of ISO 15037 or in ISO 8855. All standards that make reference to this part of ISO 15037 shall specify which variables apply. 5 Measuring equipment 5.1 Description All varia
45、bles shall be measured by means of appropriate transducers and their time histories shall be recorded by a multi-channel recording system. Typical operating ranges and recommended maximum errors of the transducer and recording system are given in Table 1. BS ISO 150372:2002 Licensed Copy: sheffieldu
46、n sheffieldun, na, Sun Nov 26 14:12:42 GMT+00:00 2006, Uncontrolled Copy, (c) BSI 4 Table 1 Variables, typical operating ranges and recommended maximum errors Variable Typical operating range Recommended maximum error of combined system 2 for angles 180 Longitudinal velocity 0 to 35 m/s 0,3 m/s Late
47、ral acceleration 15 m/s2 0,15 m/s2 Articulation angle between vehicle units 50 0,5 Yaw velocity of each vehicle unit 50/s 0,5/s Lateral displacement of points of interest 10 m 0,05 m Wheel load 0 to rated axle load 2 % of full scale Roll angle of each vehicle unit at relevant points 15 0,2 Lateral v
48、elocity 10 m/s 0,2 m/s Sideslip angle of each vehicle unit 10 0,5 Articulation angular velocity 50/s 0,5/s Steering wheel torque in case of no power steering 50 Nm 0,5 Nm Steering wheel torque in case of power steering 20 Nm 0,2 Nm Longitudinal acceleration 15 m/s2 0,15 m/s2 5.2 Transducer installat
49、ions The transducers shall be installed according to the manufacturers instructions, where such instructions exist, so that the variables corresponding to the terms and definitions of ISO 8855 can be determined. If a transducer does not measure a variable directly, appropriate transformations shall be carried out. 5.3 Data processing 5.3.1 Genera