ISO 16273-2003 Ships and marine technology - Night vision equipment for high-speed craft - Operational and performance requirements methods of testing and requi.pdf

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1、 Reference number ISO 16273:2003(E) ISO 2003INTERNATIONAL STANDARD ISO 16273 First edition 2003-12-15 Ships and marine technology Night vision equipment for high-speed craft Operational and performance requirements, methods of testing and required test results Navires et technologie maritime quipeme

2、nt de vision nocturne pour navires grande vitesse Exigences oprationnelles et de performance, mthodes dessai et rsultats dessai exigs ISO 16273:2003(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this file may be printed or viewed but shal

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5、SO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2003 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in any form or by any means, electroni

6、c or mechanical, including photocopying and microfilm, without 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 W

7、eb www.iso.org Published in Switzerland ii ISO 2003 All rights reservedISO 16273:2003(E) ISO 2003 All rights reserved iiiContents Page Foreword iv 1 Scope 1 2 Normative references. 1 3 Terms and definitions. 1 4 General and operational requirements. 2 5 General test conditions 7 6 Environmental test

8、s 7 7 Laboratory tests 8 8 Sea trials 11 Annex A (informative) Range prediction calculation 14 Annex B (informative) Infrared illuminator, typical plots . 16 Annex C (informative) Sea trial record . 17 Bibliography . 20 ISO 16273:2003(E) iv ISO 2003 All rights reservedForeword ISO (the International

9、 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 been est

10、ablished 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 standardiz

11、ation. 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 voti

12、ng. 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 such

13、 patent rights. ISO 16273 was prepared by Technical Committee ISO/TC 8, Ships and marine technology, Subcommittee SC 6, Navigation. INTERNATIONAL STANDARD ISO 16273:2003(E) ISO 2003 All rights reserved 1Ships and marine technology Night vision equipment for high-speed craft Operational and performan

14、ce requirements, methods of testing and required test results 1 Scope This International Standard applies to operational and performance requirements and methods of testing for night vision equipment fitted to high-speed craft in accordance with the International Code of Safety for High-Speed Craft

15、(HSC code), Chapter 13, of the International Maritime Organisation (IMO) and the IMO performance standards MSC.94 (72) for night vision equipment for HSC. All texts of this International Standard, whose wording is identical to that in IMO MSC.94 (72), are printed in italics and the resolution and pa

16、ragraph numbers are indicated in brackets. It is expected that both performance requirements and test procedures will need to be reviewed in the near future as data on candidate night vision systems are accumulated and correlated with performance. 2 Normative references The following referenced docu

17、ments 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) applies. IEC 61162, Maritime navigation and radiocommunication equipment and systems Di

18、gital Interfaces IEC 60945, Maritime navigation and radiocommunication equipment and systems General requirements Methods of testing and required test results IMO Resolution A.694 (17), General requirements for shipborne radio equipment forming part of the global maritime distress and safety system

19、(GMDSS) and for electronic navigational aids IMO Resolution MSC.94 (72), Performance standards for night vision equipment for high speed craft International Code of Safety for High-Speed Craft (HSC Code) STANAG 4349 (MAS/186-Land/4349, 19 June 1996) 3 Terms and definitions For the purposes of this I

20、nternational Standard, the following terms and definitions apply. 3.1 night vision equipment any technical fixed means enabling the position and aspect of objects above the water surface relative to ones own craft to be detected at night IMO MSC.94 (72) 4 ISO 16273:2003(E) 2 ISO 2003 All rights rese

21、rved3.2 high-speed craft any craft to which the definition in chapter 1 of the HSC Code applies IMO MSC.94 (72) 4 3.3 test target for sea trials a target that simulates the real hazard of a surface object that can be found at sea such as, small unlit boats, floating logs, oil drums, containers, buoy

22、s, ice, hazardous waves and whales IMO MSC.94 (72) 4 3.4 lit vessel a vessel that, in addition to the standard navigation lights, has a row of five 21 W, 12 V unshielded lamps at 1 m horizontal spacing and 4 m above sea level 4 General and operational requirements 4.1 Introduction Requirements conta

23、ined in this clause are requirements not taken up in other clauses and which cannot be verified by repeatable methods of measurement. These requirements include the applicable general and operational requirements of IEC 60945. The manufacturer shall declare compliance with these requirements and sha

24、ll provide relevant documentation. The declarations, documentation and, where necessary, the equipment under test (EUT) shall be checked. The manufacturer shall also declare the composition of the EUT and the category for durability and resistance to environmental conditions specified in IEC 60945 f

25、or each unit of the EUT. 4.2 Required functions and their availability (IMO MSC.94 (72) 5.1) At night, night vision equipment shall be capable of detecting objects above the waters surface within a certain distance from ones own craft, and of displaying the information pictorially in real time, to a

26、ssist in collision avoidance and safe navigation. 4.3 Continuous operation (IMO MSC.94 (72) 5.2.1) Night vision equipment on board HSC, while navigating at sea, shall be capable of continuous operation from after sunset until before sunrise. After the equipment has been switched on it shall be opera

27、tional in less than 15 minutes. 4.4 Standard test target (IMO MSC.94 (72) 5.2.2) The standard test target shall be a black metal target of such a size that when at least 50 % is immersed, 1,5 m long and 0,5 m high remains above the water at right angles to the desired direction of detection. Adminis

28、tration may use other smaller targets to reflect local conditions. 4.5 Detection range (IMO MSC.94 (72) 5.2.3) With the required field of view, the equipment shall detect the standard test target at a distance of not less than 600 m with a minimum probability of 90 %, when the target has been immers

29、ed in the sea for at least 24 hours under mean starlight conditions without clouds and without moon. ISO 16273:2003(E) ISO 2003 All rights reserved 34.6 Field of view (IMO MSC.94 (72) 5.2.4) The required horizontal field of view shall be at least 20, 10 on either side of the bow. The vertical field

30、of view shall be at least 12 and shall be sufficient to enable the equipment to fulfill the performance requirements of this International Standard as well as being able to see the horizon. Optionally other fields of view may be provided. Their selection shall be made with a non-locking switch, whic

31、h returns to the required field of view when released. 4.7 Pan and tilt ranges of the fields of view (IMO MSC.94 (72) 5.2.5) The axis of the field of view of the equipment shall be capable of being moved at least 20 horizontally to either side. The elevation axis of the field of view shall be capabl

32、e of being adjusted of at least 10 to compensate for the trim of the craft. 4.8 Speeds of panning of the fields of view (IMO MSC.94 (72) 5.2.6) By activation of a single control element, the axis of the field of view shall be capable of being returned automatically to the ahead position at a minimum

33、 angular speed of 30/s. The system shall be capable of panning at a minimum angular speed of 30/s. 4.9 Heading marker indication (IMO MSC.94 (72) 5.2.7) When inside the field of view, the graphical ahead mark of the craft shall be indicated on the display with an error not greater than 1. When outsi

34、de the field of view, a visual indication of relative bearing with an error not greater than 1 shall be provided. 4.10 Roll or pitch (IMO MSC.94 (72) 5.2.8) The performance of the night vision equipment shall be such that when the craft is rolling and/or pitching up to 10, the performance requiremen

35、ts in this International Standard shall be complied with. 4.11 Clear view (IMO MSC.94 (72) 5.2.9) Arrangement shall be provided to ensure efficient cleaning of the sensor head/lens from the operating position. Administration may require some additional facilities such as de-icing. 4.12 Optical inter

36、ference (IMO MSC.94 (72) 5.2.10) Measures shall be taken, to ensure that objects commonly encountered at sea and in ports shall not be displayed less clearly on the monitor of the night vision equipment because of dazzle effects, reflection, blooming, or any other effects due to the surroundings. 4.

37、13 Malfunctions, warnings, alarms and indications (IMO MSC.94 (72) 5.3) Night vision equipment shall include a visual indication of any failure. 4.14 Software requirements (IMO MSC.94 (72) 5.4) The operational characteristics of the software shall meet the following requirements in particular: (IMO

38、MSC.94 (72) 5.4.1.1) self-description of the functions implemented by means of software; ISO 16273:2003(E) 4 ISO 2003 All rights reserved(IMO MSC.94 (72) 5.4.1.2) display of user interface status; and (IMO MSC.94 (72) 5.4.1.3) software protection against unauthorized changes. If certain functions of

39、 night vision equipment are implemented using software, such software shall meet the applicable requirements of IEC 60945. If any software is used, the manufacturer shall provide a description of the functions implemented by means of software and state how the requirements have been complied with. “

40、Self-description of the functions implemented by means of software” means that the functions available through menus (or similar) rather than separate controls shall be clear from the menu description. “User interface status” can be an indicator of which functions are operational. “Software protecti

41、on” can be a password or lockable cover. 4.15 Controls and ergonomics (IMO MSC.94 (72) 6) The night vision equipment shall be designed in accordance with sound ergonomic principles. The number of operational controls shall be limited to the minimum required for operation. Whilst in operational mode,

42、 double functions of controls shall be avoided on such controls as for pan, vertical trim, field of view and other essential functions. The functions of the individual operational controls shall be clearly labelled. The operational functions of night vision equipment shall be activated directly thro

43、ugh the operational controls; menu-driven controls shall be avoided. The operational controls shall be clearly identifiable in the dark. If illumination is used, the brightness shall be adjustable. The operational controls of night vision equipment shall meet the requirements of IMO Resolution A.694

44、 (17) as well as applicable requirements of IEC 60945. 4.16 Presentation of information (IMO MSC.94 (72) 6.3) The status of operation of the equipment shall be continuously displayed. The display shall be non-dazzling and non-flickering. The display shall be capable of displaying a visible image of

45、at least 180 mm in diagonal. The selected field of view, if more than one is provided, (see 4.6) shall be continuously indicated at the operating position. The image shall be presented on the display, with the same aspect ratio as the sensors, as default (natural picture). 4.17 Durability and resist

46、ance to environmental conditions (IMO MSC.94 (72) 7.1) Night vision equipment shall withstand the environmental conditions specified in IMO Resolution A.694 (17) and in IEC 60945. Provisions shall be made, if necessary, to protect the night vision equipment against high light conditions. ISO 16273:2

47、003(E) ISO 2003 All rights reserved 54.18 Electrical and electromagnetic interference (IMO MSC.94 (72) 7.2) With respect to electrical and electromagnetic interference, night vision equipment shall meet the requirements of IMO Resolution A.694 (17) and IEC 60945. 4.19 Power supply (IMO MSC.94 (72) 7

48、.3) The power supply of night vision equipment shall meet the requirements of IMO Resolution A.694 (17) and IEC 60945. 4.20 Installation (IMO MSC.94 (72) 7.4) Full installation instructions to meet the following requirements of 4.20 shall be included in the documentation (see 4.26). The controls of

49、night vision equipment shall be installed in the workstation for navigating and manoeuvring, within easy reach of the navigator. The observation distance from a dedicated display shall not exceed 2,3 times the image diagonal (i.e. a dedicated night vision workstation). For a general bridge display, the observation distance from the display shall not exceed 8 times the image diagonal, but shall be situated such that observation from a distance of 2,3 times the image diagonal is also possible. The sensor