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1、 Reference number ISO 22951:2009(E) ISO 2009 INTERNATIONAL STANDARD ISO 22951 First edition 2009-01-15 Data dictionary and message sets for preemption and prioritization signal systems for emergency and public transport vehicles (PRESTO) Dictionnaire de donnes et ensembles de messages pour la prempt
2、ion et la priorisation des systmes de signaux pour les vhicules durgence et de transport public (PRESTO) Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 02:13:48 MSTNo reproduction or network
3、ing permitted without license from IHS -,-,- ISO 22951:2009(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on
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6、form the Central Secretariat at the address given below. COPYRIGHT PROTECTED DOCUMENT ISO 2009 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electronic or mechanical, including photocopying and microfilm, witho
7、ut permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22 749 09 47 E-mail copyrightiso.org Web www.iso.org Published in Switzerland ii ISO 2009 All righ
8、ts reserved Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 02:13:48 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO 22951:2009(E) ISO 2009 All rights reserved i
9、ii Contents Page Foreword iv Introduction v 1 Scope . 1 2 Normative references. 2 3 Terms and definitions. 2 4 Symbols and abbreviated terms . 3 5 Data dictionary and message sets for PRESTO 3 5.1 Data dictionary 3 5.2 Message sets. 4 Annex A (informative) The concept of PRESTO 5 Annex B (informativ
10、e) PRESTO architecture. 7 Annex C (normative) PRESTO requirements list 17 Annex D (informative) Needs for standardization. 43 Annex E (informative) Background of constructing PRESTO system architecture (SA) . 44 Annex F (informative) Practical examples of PRESTO. 47 Bibliography. 50 Copyright Intern
11、ational Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 02:13:48 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO 22951:2009(E) iv ISO 2009 All rights reserved Foreword ISO (the Internat
12、ional Organization 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 bee
13、n established 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 stand
14、ardization. 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
15、 voting. Publication 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
16、 such patent rights. ISO 22951 was prepared by Technical Committee ISO/TC 204, Intelligent transport systems. Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 02:13:48 MSTNo reproduction or ne
17、tworking permitted without license from IHS -,-,- ISO 22951:2009(E) ISO 2009 All rights reserved v Introduction It is very important that police cars, fire engines, and other emergency vehicles arrive at the scene to which they are dispatched as soon as possible in order to improve crime prevention
18、rate, lifesaving rate etc. Therefore, various countries are using, or developing, preemption signal-systems to support the smooth travelling of such vehicles. In addition, some countries use these priority signal-controls for buses and other public transport vehicles to provide punctual and more con
19、venient service. This International Standard standardizes communication messages in these preemption signal-systems for emergency and public transport vehicles, aiming to promote system introduction through developing a common infrastructure. Copyright International Organization for Standardization
20、Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 02:13:48 MSTNo reproduction or networking permitted without license from IHS -,-,- Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitorin
21、g/1111111164 Not for Resale, 02/02/2009 02:13:48 MSTNo reproduction or networking permitted without license from IHS -,-,- INTERNATIONAL STANDARD ISO 22951:2009(E) ISO 2009 All rights reserved 1 Data dictionary and message sets for preemption and prioritization signal systems for emergency and publi
22、c transport vehicles (PRESTO) 1 Scope This International Standard relates to systems that use priority signal control functions to help emergency vehicles operate. This type of system, as shown in Figure 1, is composed of a traffic management centre, in-vehicle units, roadside communication units, a
23、nd roadside units. Public transport vehicles such as buses are also targeted to receive priority signal control service. The scope of standardization includes message sets and data dictionary related to the communications as follows: between a roadside communication unit and each in-vehicle unit, be
24、tween a roadside communication unit and other roadside units, between in-vehicle units and roadside units. This International Standard concerns only information related to priority signal control and does not deal with information provision such as that of the situations at scenes. Since it is neces
25、sary to handle public transport vehicles in accordance with the conditions of individual cities and regions, the section in the messages and the data dictionary that are concerned with priority signal control for the vehicles are treated as an option. Furthermore, the standardization does not depend
26、 on the type of communication medium used. Figure 1 Scope of standardization work Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 02:13:48 MSTNo reproduction or networking permitted without l
27、icense from IHS -,-,- ISO 22951:2009(E) 2 ISO 2009 All rights reserved 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
28、document (including any amendments) applies. ISO 14817, Transport information and control systems Requirements for an ITS/TICS central Data Registry and ITS/TICS Data Dictionaries 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 14817 and the followin
29、g apply. 3.1 antenna roadside equipment that communicates with the roadside units such as signal controllers and the in-vehicle units using radio signals 3.2 beacon roadside equipment that communicates with the roadside units such as the signal controllers and the in-vehicle units 3.3 data dictionar
30、y listing of data elements (and their characteristics) that meets the information and functional needs of a system 3.4 data element atomic element of information NOTE A data element is a syntactically formal representation of some information of interest (such as a fact, proposition, observation, et
31、c.) about some entity of interest (e.g. a person, place, process, property, object, concept, association, state, event). 3.5 in-vehicle unit in-vehicle equipment that transmits/receives information to/from the roadside communication units and, in some cases, outputs information, for example, on its
32、screen 3.6 message sets set of basic messages that are normally used in business-oriented applications 3.7 roadside communication unit roadside equipment that communicates with the in-vehicle units and the roadside units, e.g. beacons and antennas 3.8 roadside unit roadside equipment that controls s
33、ignals and provides information, e.g. the signal controllers and the information board controllers 3.9 signal controller roadside equipment that controls the lighting timings of traffic lights Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP
34、 Monitoring/1111111164 Not for Resale, 02/02/2009 02:13:48 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO 22951:2009(E) ISO 2009 All rights reserved 3 3.10 traffic management centre central system that controls the functions of traffic data collection, signal control,
35、and information service based on collected data, etc. 3.11 vehicle ID identification number used for the identification of emergency and/or public transport vehicles 4 Symbols and abbreviated terms PRESTO data dictionary and message sets for preemption and prioritization signal systems for emergency
36、 and public transport vehicles 5 Data dictionary and message sets for PRESTO Tables 1 and 2 give the list of data dictionary and message sets within the scope of the standardization, in-line with the data concept specified in ISO 14817. Further details are given in Annex C. 5.1 Data dictionary Table
37、 1 Data dictionary within the scope of the standardization Data concept type ASN.1 object identifier ASN.1 name Descriptive name Data element concept iso standard presto concepts dec 1 10 PSC.authority-classification PSC.authorityClassification iso standard presto concepts de 1 20 PSC.vehicle-code P
38、SC.vehicleCode iso standard presto concepts de 1 30 PSC-transport-mode PSC.transportMode iso standard presto concepts de 1 40 PSC-priority-signal-request- flag PSC.prioritySignalRequestFlag iso standard presto concepts de 1 50 PSC-request-intersection id PSCrequestIntersectionID iso standard presto
39、concepts de 1 60 PSC-direction-at-intersectionPSC.directionAtIntersection iso standard presto concepts de 1 70 PSC-spot-id PSC.spotID iso standard presto concepts de 1 80 PSC-spot-passing-time PSC.spotPassingTime iso standard presto concepts de 1 90 PSC-vehicle-speed PSC.vehicleSpeed iso standard pr
40、esto concepts de 1 100 PSC-vehicle-acceleration PSC.vehicleAcceleration iso standard presto concepts de 1 110 PSC-travel-distance PSC.travelDistance Data element iso standard presto concepts de 1 120 PSC-transmission-time PSC.transmissionTime iso standard presto concepts df 1 130 PscVehicleID PscVeh
41、icleID:frame iso standard presto concepts df 1 140 PscPrioritySignalRequest PscPrioritySignalRequest:frame iso standard presto concepts df 1 150 PscVehicleCurrentLocation PscVehicleCurrentLocation:frame iso standard presto concepts df 1 160 PsctravelInformation PsctravelInformation:frame iso standar
42、d presto concepts df 1 170 PscSpotLocation PscSpotLocation:frame Data frame iso standard presto concepts df 1 180 PscSpotPassingPoint PscSpotPassingPoint:frame Copyright International Organization for Standardization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Re
43、sale, 02/02/2009 02:13:48 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO 22951:2009(E) 4 ISO 2009 All rights reserved 5.2 Message sets Table 2 Messages sets within the scope of the standardization Data concept type ASN.1 object identifier ASN.1 name Descriptive name is
44、o standard presto concepts mes 1 190 PscVehicleInformation PscVehicleInformation:message iso standard presto concepts mes 1 200 PscVehicleData PscVehicleData:message Message iso standard pi 11 PiSchedAdherenceOffSched PiSchedAdherenceOffSched:message Copyright International Organization for Standard
45、ization Provided by IHS under license with ISO Licensee=HP Monitoring/1111111164 Not for Resale, 02/02/2009 02:13:48 MSTNo reproduction or networking permitted without license from IHS -,-,- ISO 22951:2009(E) ISO 2009 All rights reserved 5 Annex A (informative) The concept of PRESTO A.1 Purpose PRES
46、TO allows emergency vehicles such as police cars, fire engines and so forth to speedily and accurately respond to emergencies by carrying out traffic signal control with the highest priority and guiding optimal routes for these vehicles. In addition, this system draws the attention of general vehicl
47、es and pedestrians by indicating the approach of emergency vehicles on message boards. This system carries out priority signal control for public transport vehicles such as buses and trams. By providing travelling support to emergency vehicles and public transport vehicles in this way, the system in
48、tends to achieve the realization of the following effects. a) Reduction in the response time of emergency vehicles: early resolution of accidents and improvement of arrest rates; support for speedy rescue activity and improvement of lifesaving rates. b) Reduction of the number of traffic accidents associated with en-route emergency vehi