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1. (WO2015174875) SYSTÈME ET PROCÉDÉ POUR UNE INSPECTION COMPLÈTE ET NON INTRUSIVE D'UN AÉRONEF
Note: Texte fondé sur des processus automatiques de reconnaissance optique de caractères. Seule la version PDF a une valeur juridique

What is claimed:

1. A mobile nonintrusive system inspection for aircraft consisting of:

a. Mobile scanner unit 1 that is carrying the components of the inspection system and which is used for unloading and positioning of components in order to scan an inspected aircraft.

b. A tugging device 15

c. A mobile control center 22 which is placed outside of the exclusion area.

d. A first scanning frame used to obtain a radiographic image of the inspected aircraft through a substantially vertical projection, (top view) consisting of: i. A mechanical boom 4, consisting of one or more telescopic segments that are assembled in a variable angle in the mobile scanning unit 1 having at the free end mounted a penetrating radiation source 6 and in the scanning mode the boom is positioned on top of the inspected aircraft so that the beam of radiation from penetrating radiation source 6 is oriented towards the ground, passing through the fuselage of the inspected aircraft, in a vertically substantially plane;

ii. A detector line 11, installed on the ground, provided with an array of detectors 14 is positioned under the inspected aircraft so as to be exposed to the beam of the penetrating radiation source 6, aligned with this beam, over the detector line the inspected aircraft is towed;

e. A second scanning frame used to obtain a radiographic image of the inspected aircraft through a substantially horizontal projection, view, consisting of:

i. a hinged boom 7 consisting of one or more segments of linear sections, bends, or combined, mechanically oscillating coupled with the mobile scanning unit 1, hinged boom in which an array of radiation detectors 9 is installed which in the scanning process has a substantially vertical position, at a variable angle, on the side towards the scanned aircraft, and during transport is folded along the platform of mobile scanning unit. ii. A relocatable radiation source 16, located on the side of the inspected aircraft on the opposite side from the hinged boom 7, so its beam of radiation is directed towards the hinged boom 7, passing through the fuselage of the inspected aircraft, and expose to radiation the array of detectors 9, aligned with the radiation beam;

f. A subsystem for the acquisition, processing and displaying of data provided by the radiation detectors and to control the scanning process 23 characterized by the fact that the mobile tugging device 15 is towing the inspected aircraft through the two scanning frames, the movement is synchronized with the activation of penetrating radiation sources and data acquisition from radiation detectors, in order to obtain at least two radiographic images of the aircraft from different angles.

2. The mobile nonintrusive inspection system of aircraft according to claim 1, wherein the mechanical boom 4 of the first scanning frame is connected to the scanning unit 1 through a deformable parallelogram shaped support 5, which in transport mode is folded on the platform of the mobile unit, and in scanning mode is raised, so the attached mechanical boom 4 is positioned at an appropriate height for easy scanning of aircraft and collision avoidance with the wingtip of the scanned aircraft.

3. The mobile nonintrusive inspection system of the aircraft according to claim

1, characterized in that the hinged boom 7, consists of one or more linear segments or bends and is mounted in a joint 8, with one degree of freedom, the boom equipped with an array of detectors 9 and being able to be folded for transport by rotation, towards the driver's cabin by at least 90 degrees, until it reaches a substantial parallel position to the structure 2.

4. The mobile nonintrusive inspection system of the aircraft according to claim

1 characterized in that the mobile remote control center 22 is positioned outside the exclusion area a and is designed to remotely manage all the processes involved in the nonintrusive inspection.

5. The mobile nonintrusive inspection system of the aircraft according to claim

1, wherein a computerized management subsystem 19 is contained in a mobile control center 22, interconnected with an external computerized system for monitoring and operating the inspection system, in order to oversee the process from another geographic location relative to the place of scanning.

6. The mobile nonintrusive inspection system of the aircraft according to claim 1, wherein the aircraft tugging device 15 has a synchronized movement with the scanning process and controlled by the computerized management subsystem 19.

7. The mobile nonintrusive inspection system of the aircraft according to claim

1, comprising of at least one alignment system 24 between the penetrating radiation source and the radiation detectors array scan corresponding to the same frame, consisting of a optical emitter 25 whose beam is parallel, or superimposed to the radiation beam.

8. The mobile nonintrusive inspection system of the aircraft according to claim

1, comprising of at least a proximity sensor 21, that detects the presence of the aircraft in the proximity of the scanning frames which is used to automatically turn on the emission of penetrating radiation in the beginning of the scan and to stop the emission of penetrating radiation at the end of the scan.

9. The mobile nonintrusive inspection system of the aircraft according to claim

1, wherein the relocatable penetrating radiation source 16 is fitted in an adjustable support 17 which can be positioned on the ground in an appropriate position (distance and orientation) relative to the aircraft size to be scanned, and whose height from the ground can be adjusted to obtain an optimized geometric projection in the radiographic image, in relation to the type of the scanned aircraft and areas of interest.

10. The modular detector line (modular detector assembly) is placed at ground level, made from solid blocks, each module consisting of:

a. upper half-housing 12

b. lower half-housing 13

c. an array of detectors 14

d. A network of support points between the lower half-housing 13 and the upper half-housing 12 characterized in that the half-housings are combined complementary and sealed so that the support points discharge

the loads generated by the tug's and aircraft's wheels to the upper half- housing onto the ground, through the lower half-housing, ensuring the mechanical resistance required to withstand without plastic deformation high forces and ensuring in the same time the unhindered passage of penetrating radiation through the wall of the upper half-housing 12 towards the array of detectors 14, supporting, during the scanning process, the weight of the mobile tugging device 15 and of the scanned aircraft, which is towed over the detector line (modular detector assembly) 11 through ramps for ascent/descent of the wheels on the detectors line.

11. The modular detector line according to claim 10, characterized in that the detector line 11 can be segmented and loaded on the mobile scanner unit 1 in the transport mode and placed on an aircraft runway in scanning mode.

12. The modular detector line according to claim 10, characterized in that the detector line 1 1 is assembled from identical modules that are connected electrically and mechanically one along of the other, each comprising of an array of detectors 14, the detector line having a unitary functionality of a continuous detector line.

13. Method for nonintrusive inspection of aircraft, characterized by the following steps of the scan:

a) the mobile tugging device 15 is connected to an aircraft to be scanned; b) the aircraft is brought in the scanning area in an appropriate position, in a direction perpendicular to the detector line on the ground;

c) the aircraft is towed through two scanning frames, synchronized with the start of radiation sources 6 and 16, and with the transmission of the signals generated by the array of detectors 9 and 14, towards the subsystem for acquiring, analyzing and displaying the data 23, where they are stored and processed to form and display the radiographic images from at least 2 perspectives of the scanned aircraft.

d) the scanning stops when the scanned aircraft has passed entirely through the two frames, or in exceptional cases as following:

i. On entry of intruders in the exclusion area,

ii. When the sensor transmits a signal that the aircraft does not follow the preset trajectory when passing the array of detectors 9 and 14; iii. When the aircraft is approaching dangerously to any component of the scanning system in the scanning area;

iv. When a dangerous increase or decrease in the speed of movement towards the predetermined limits is detected.

e) The mobile tugging unit 15 is disconnected from the inspected aircraft;

f The system is ready to resume the scanning process for another aircraft.

14. The method according to claim 14, wherein all the steps are performed in automated and controlled manner through a computerized management subsystem 19.