Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F41—WEAPONS
  • F41H—ARMOUR; ARMOURED TURRETS; ARMOURED OR ARMED VEHICLES; MEANS OF ATTACK OR DEFENCE, e.g. CAMOUFLAGE, IN GENERAL
  • F41H11/00—Defence installations; Defence devices
• • G—PHYSICS
  • G06—COMPUTING; CALCULATING OR COUNTING
  • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
  • G06Q10/00—Administration; Management
  • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
  • G06Q10/063—Operations research, analysis or management

Definitions

• the present invention relates to a device and a method for detecting and neutralizing a naval threat.
• the invention relates more particularly to the field of the close protection of maritime platforms against malicious intrusions or acts of piracy. It represents a global process of alerting and generating a graduated response to criminal or criminal intrusions that can be conducted from skiffs or small, fast and agile naval craft against a floating installation.
• the overall process characterizing the invention is able to efficiently collaborate various sensors as well as various reaction means performing elementary functions of limited scope.
• One of the privileged fields of application of the invention is the close protection of off-shore oil rigs, by allowing, after determining the dangerousness of the detected intrusion, to prevent in real time the ground level authorities of the level. criticality of this intrusion, and also to trigger the securing of personnel and equipment of the platform.
• VTS Vessel Traffic Services
• SPATIONAV a naval surveillance system for maritime areas and areas under national jurisdiction.
• SPATIONAV a naval surveillance system for maritime areas and areas under national jurisdiction.
• SPATIONAV it is firstly a question of creating an image of maritime traffic of the maritime approaches of France, which is as exhaustive as possible and updated in real time. It is then a matter of sharing this information and facilitating coordination between the actors of the State Action at Sea. So, does SPATIONAV have two components: a "sensors and surveillance" component to ensure coverage spaces considered, and an "information system” component for processing, situational assessment and coordination.
• SPATIONAV have two components: a "sensors and surveillance" component to ensure coverage spaces considered, and an "information system” component for processing, situational assessment and coordination.
• We know the neighboring projects of SPATIONAV which are gradually set up in countries such as Spain, Saudi Arabia, etc.
• MWPS Maritime Warning and Protection System
• TAU Ergency Self Defense
• Maritime safety-related industrial systems such as Honeywell's "Marine Security: Meeting Threats to the Offshore Oil and Gas Industry” or L3 Communications (Klein Associates, Inc.), which offers the HarborGuard® system, are well known. as a system capable of allowing an offshore installation to detect threats in hostile areas.
• Alarmed alarm generation systems are also known from the detection of regular maritime traffic and the analysis of global and long-term behaviors, the purpose of which is to detect spatio-temporal sequences of behavior anomalies. .
• the object of the invention is to solve the technical problems of the prior art satisfactorily.
• said detection and location means comprise a high resolution frequency modulated continuous wave Doppler radar for detecting small objects in sea clutter
• said identification means comprise an optronic detection instrument. close-up for day and night use to determine the typology of the target.
• said threat evaluation means comprise software that characterizes the level of danger of said threat based on the typology and the position, speed and road parameters of the target.
• said means for determining the reaction comprise software for calculating and planning the level of response by comparison with situations previously recorded in a memory and according to the legal situation of the platform.
• said means of management of the warning and protection measures include telecommunications equipment and software developing the sequences of implementation of a graduated response ranging from deterrence to the neutralization of the threat.
• said synchronization means are capable of acting on the management means to execute or suspend one or more sequences of the response after validation by an operator.
• Another object of the invention is a method of detection and neutralization consisting in performing, jointly and automatically, on the one hand, the localization and the progressive identification of the typology of at least one target likely to constitute the threat and, on the other hand, the continuous analysis of the behavior of said target in order to plan sequences of response scaled according to the typology of the target and the legal situation of the platform and, after validation of a operator and triggering an alert, to execute said sequences.
• the response sequences are planned by self-learning of previous threats or by comparison with modeled and previously recorded situations.
• the response sequences are planned for multiple targets by determining a level of danger for each identified target.
• the innovative approach proposed by the invention lies in a coupling process of a very high resolution radar sensor, to an innovative logic of progressive enrichment of the nature of the detected object and of continuous analysis of the behavior of said object. (kinematic attributes and fine characterization attributes), in view:
• FIG. 1 A mode of decomposition into functional blocks of the process of the invention is shown in FIG. 1 and is structured as follows:
• the Detection 1 function is provided by ultra-high resolution radar-type sensors that detect small marine targets despite the sea clutter;
• the Threat Assessment 2 function processes the information from the Detection function to define the danger of the threat
• the function Determination of the reaction 3 carries out reversible planning calculations of the responses according to the level of knowledge acquired on the various detected threats;
• the function of determination of the reaction is improved by a logic of progressive enrichment of the nature of the detected object and of continuous analysis of the behavior of the object 8;
• the Means Management function 4 develops the implementation sequences of the external reaction means 5 taking into account the internal instructions 6;
• the detection function 1 is provided by the radar 10. This radar must be able to detect small marine targets in a zone of radius less than or equal to 5 km; the fine echo analysis must make it possible to determine the nature of the target (fast naval object, agile craft, large or small craft) and to classify it.
• Such a radar is, for example, a frequency modulated (FM) continuous wave (CW) radar whose technology is intrinsically well suited to such detection.
• FM frequency modulated
• CW continuous wave
• the above FMCW radar can be replaced by a high-speed, multi-frequency scanning radar specifically designed for both emission diagrams and associated signal processing to allow the detection of small targets in clutter. of sea
• the radar provides the localization features of the detected echo, the classification of this echo, the tracking of the detection and the calculation of the kinematics of the track, the transmission of the different characterization attributes of the tracks (classification attributes , position, speed) to the elements connected to the radar (radar technical console, operator station 8);
• the Threat Assessment 2 function is provided by a module that processes the information provided by the radar to define the degree of danger of the target. This function ensures the acquisition and the association of the information necessary to establish the close surface behavior around the platform, the processing of information making it possible to determine the identity class of the detected echo (unknown, friend or hostile), the determination of the threat according to the following three steps: the evaluation of the danger, by analyzing the identity class of the detected surface moving target, and completing this analysis by a position test of the detected intrusion in relation to the defined safety perimeter around the offshore platform, the calculation of the rank of the threat, using the detected distance, speed and road parameters, and the analysis of the threat characterization parameters , in order to assess the need to trigger or not, a dangerous intrusion alert;
• the function Determination of reactions 3 is activated following the dangerous intrusion alert generated by the previous evaluation function.
• the determination function performs counterpoint planning calculations based on the level of knowledge acquired on the various detected threats (behavior criteria, identity classes, and comparison of the known situation in real time with the situations encountered and memorized by the system) taking into account any restrictions caused by the geographical location of the off-shore platform or by the legal status of this platform.
• the process of developing reaction plans adapted to the nature of the detected intrusion, to the modes of operation of the infrastructure and to the regulatory and legal context is based on the coupling of the Bayesian inference approaches and the reasoning based on case.
• the role of the servant is to decide on the relevance or irrelevance of sending a response execution instruction to module 4 resources management; the activation of an alert diffusion process internally to the off-shore 5 and 11 platform; activating an outbound alerting process by triggering a standard message logic to inform shore authorities about the nature of the intrusion and the degree of nuisance detected 6 and 12;
• the management function means 4 protection and alert develops the implementation sequences; non-lethal detonation effectors 6 and 12, disabling means (paralyzing acoustic or other system) 6 and 12, external telecommunication means (VHF, satellite links) 6 and 12 for transmitting warnings on the proven threats and on their nature, and ensures the activation of a process of diffusion of the alert internally on the off-shore platform 5 and 1 1.
• the very high resolution radar sensor may be completed for surveillance or identification purposes, by an optronic turret equipped with a daylight camera or an infrared camera (element 13 of FIG. 2).
• An intrusion detection pre-alert can be performed by a wide-area navigation radar (item 13 of Figure 2).
• the classification of the detected echo can be improved by Doppler analysis of the radar echo.
• the detection and classification of the intrusion is facilitated by an Automatic Identification System (AIS) receiving element (element 13 of FIG. 2).
• AIS Automatic Identification System
• the treatment system can also optimize its ability to plan responses by self-learning from previous cases.
• Response planning takes into account a multiple target context with threat rank determination for each detected mobile.
• the reaction determination function takes into account the crisis context data in order to optimize the reaction planning (element 14 of Figure 2).

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• 2010
  • 2010-09-03 FR FR1056995A patent/FR2964467B1/fr active Active
• 2011
  • 2011-08-31 WO PCT/IB2011/053820 patent/WO2012029040A1/fr active Application Filing
  • 2011-08-31 EP EP11761715.9A patent/EP2612103A1/de not_active Withdrawn

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