EP3074917A1 - Système de lecture dynamique de données de transpondeurs - Google Patents
Système de lecture dynamique de données de transpondeursInfo
- Publication number
- EP3074917A1 EP3074917A1 EP14803120.6A EP14803120A EP3074917A1 EP 3074917 A1 EP3074917 A1 EP 3074917A1 EP 14803120 A EP14803120 A EP 14803120A EP 3074917 A1 EP3074917 A1 EP 3074917A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- antenna
- transponder
- tire
- reading
- antennas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10118—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the sensing being preceded by at least one preliminary step
- G06K7/10128—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the sensing being preceded by at least one preliminary step the step consisting of detection of the presence of one or more record carriers in the vicinity of the interrogation device
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
- G06K7/10346—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers the antenna being of the far field type, e.g. HF types or dipoles
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06K—GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
- G06K7/00—Methods or arrangements for sensing record carriers, e.g. for reading patterns
- G06K7/10—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
- G06K7/10009—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
- G06K7/10316—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers
- G06K7/10356—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves using at least one antenna particularly designed for interrogating the wireless record carriers using a plurality of antennas, e.g. configurations including means to resolve interference between the plurality of antennas
Definitions
- the present invention relates to a dynamic data reading system recorded in a transponder of a tire, in particular to automatically identify the tire during its passage close to the system.
- EP 2 202 099 A1 discloses a dynamic data reading system of a linear polarized antenna transponder of a tire of a vehicle. This system combines an antenna capable of receiving data transmitted by the transponder and a reader coupled to the antenna capable of reading and storing the transponder data. This system uses a circular polarization antenna.
- This system is used in particular to automatically identify the serial numbers of the tires of a competition vehicle when the vehicle passes along a gantry placed for example at the entrance of the circuit.
- the serial numbers of the tires are entered in the transponder memory placed on the surface or in the tire structure.
- the invention relates to a dynamic reading system of the data of a transponder of a tire of a vehicle comprising at least one antenna adapted to receive data transmitted by the transponder and at least one reader coupled to said antenna capable of reading and storing the transponder data.
- This system is characterized in that the antenna is a linear polarization antenna with a vertical electric field.
- the fact that the antenna of the system uses a linear and non-circular polarization antenna as previously has the advantage of giving a gain of 3 dB for the reading power when the antenna of the system is aligned with the antenna. transponder antenna.
- the choice of a vertical electric field also has the advantage of practically suppressing reverberation phenomena of the waves against the ground.
- the antenna of the system has a gain of less than or equal to 6 dBi.
- the power output across the antenna may be less than or equal to 29.15 dBm.
- the gain of the antenna will be 6 dBi
- the total power radiated by such an antenna is less than or equal to 35.15 dB (2 W ERP), which is compatible with European standards.
- an antenna with a gain of 6 dBi and a maximum driving power of 30 dBm can be used to comply with the standards.
- the maximum radiated power is thus 36 dB (4 W EIRP).
- the reading system comprises at least two linearly polarized antennas with a vertical electric field spaced from each other in the rolling direction of the tire of a distance less than 1.20 meters and preferably of the order of 1 meter. It is found experimentally that an antenna as described above can communicate continuously over a distance of movement of the tire in the direction normal to the direction of the antenna of the order of one meter at least, given the maximum speed of driving of the vehicle of the order of 50 to 60 km / h and the interrogation cycle of the reader. The presence of two adjacent antennas therefore ensures that there is at least one ideal reading position for a perimeter tire also of the order of two meters and usually at least two ideal reading positions.
- the reading positions are ideal when the two antennas of the transponder of the tire and the reading system have the same orientation, that is to say that the antenna of the transponder of the tire is aligned vertically.
- the two antennas are arranged at a height relative to the rolling ground substantially equal to that of the axis of rotation of the tire.
- the two antennas are driven alternately.
- This control mode avoids interference between the two antennas. Such interference could occur as soon as both antennas are operating at the same time and with a frequency difference of less than 2 MHz.
- the two antennas are connected to the same reader.
- This simple embodiment ensures that there will be no interference between the two antennas.
- the tire transponder is a UHF RFID in which is inscribed a unique identification number of the tire.
- the invention also relates to a portal for dynamic reading of vehicle tire transponder data disposed along a taxiway of the vehicles, characterized in that it comprises on both sides of the taxiway a reading system as previously described.
- the invention particularly relates to tires for equipping tourism-type motor vehicles, SUV ("Sport Utility Vehicles"), two wheels (including motorcycles), aircraft, such as industrial vehicles chosen from pickup trucks, "Weight- heavy "- that is to say metro, bus, road transport equipment (trucks, tractors, trailers), off-the-road vehicles such as agricultural or civil engineering vehicles -, other transport or handling vehicles .
- SUV Sport Utility Vehicles
- aircraft such as industrial vehicles chosen from pickup trucks, "Weight- heavy "- that is to say metro, bus, road transport equipment (trucks, tractors, trailers), off-the-road vehicles such as agricultural or civil engineering vehicles -, other transport or handling vehicles .
- transponder reading systems The power of transponder reading systems is subject to precise standards in different parts of the world.
- the power radiated by a reader + antenna system corresponds to the total power radiated in the room.
- An isotropic antenna is used as a reference for calculation, an isotropic antenna means a spherical or isotropic antenna. All real antennas are directional to varying degrees and thus have a higher power density in their main direction compared to an isotropic (hypothetical) antenna.
- EIRP equivalent isotropic radiated power
- FIG. 1 shows an example of a transponder, a UHF RFID
- FIG. 2 shows in perspective a partial section of a tire comprising a transponder on its surface
- FIG. 3 shows a schematic view of a data reading system
- FIG. 1 shows an exemplary transponder, a transponder with passive radio frequency identification 10 provided with two antennas 12 forming a dipole.
- This type of transponder is generally designated by the acronym RFID.
- RFID RFID
- Such a transponder comprises, stored in a memory, a unique identification number of the tire. It may also include other data relating for example to the manufacture or type of tire.
- the transponder 10 is a UHF RFID, operating in a frequency range of the order of 850 to 950 MHz. It comprises a chip 14 fixed on a support 16 and connected to two antennas 12 of substantially helical shape.
- the transponder 10 can be placed inside the structure of a tire 22 during the manufacture thereof or fixed to its outer surface during an operation subsequent to the baking of the tire as illustrated in FIG. pneumatic 22 is presented very schematically. It comprises a tread 24, two sidewalls 26, two beads 28, an inner rubber 30 and is mounted on a wheel 32.
- a transponder 10 is fixed to the outer surface of the sidewall 26 by
- the UHF RFID transponder 10 presented comprises a memory and a data transmission circuit stored in the memory to an external reader.
- the transponder may be active but is usually passive and receives RF signals from an external source which transmit to it in particular the energy necessary to trigger multiple transmissions of the data contained in the transponder memory.
- a unique tire identification number is assigned by the tire manufacturer either during manufacture or later. This number makes it possible to follow the tire during all its life. This number can follow the recommended format "electronic product code" (EPC) or any other format.
- Figure 3 schematically shows a gantry dynamic reading of data 40 according to an object of the invention.
- This gantry 40 consists of two identical systems 50 and 70 each disposed on one side of a running track of a vehicle.
- the arrow F indicates the driving direction of the vehicle.
- Each system as illustrated comprises two housings 52 and 54 on one side, 72 and 74 on the other and three associated passage detectors. 56 and 76 (D1), 58 and 78 (D2), as well as 60 and 80 (D3).
- the system 40 also includes a computer or PC 42 for receiving and processing the data.
- Each housing includes an antenna 53, 55 for transmitting and receiving RF signals to and from the transponders of the vehicle tires.
- the housings are made of a material that does not disturb the PvF signals, such as polypropylene.
- the antennas are directional and their direction of greater transmission / reception is oriented towards the vehicle and normal to the direction of movement of the vehicle.
- the housings 54 and 74 further comprise a controllable switch 62, a programmable logic controller 64 and a UHF RFID reader 66.
- the reader 66 is adapted to be coupled to the antennas 53 and 55 for reading and storing the transponder data; it is a common commercial RFID reader-interrogator; the controllable switch 62 is connected to the two antennas 53 and 55, on the one hand and to the programmable logic controller 64, on the other hand; its role is to ensure a selective coupling between the reader 66 and each of the antennas 53 and 55; the switching speed of the switch 62 is less than 50 ⁇ , of the order of 10; the programmable logic controller 64 is connected to the switch 62, on the one hand and to the three pairs of tire passage detectors 56 and 76 (D1), 58 and 78 (D2), 60 and 80 (D3), on the other hand ; its role is to control the switch 62 according to the signals of these tire passage sensors 56 and 76 (D1), 58 and 78 (D2), 60 and 80 (D3).
- the reader 66 and the controller 64 are also connected to the computer or PC 42 to transmit
- Each pair of passage detectors is disposed on the running track upstream or downstream of an antenna.
- These detectors may be of any type, for example with optical rays, laser, infra red, ...; the passage of a tire is then linked to the rupture of the light signal in the case of an optical detector or linked to the overpressure due to the passage of the tire in the case of a piezoelectric pressure sensor.
- the distance, in the running direction of the vehicle, between the first pair of detectors D1 and the axis of the first antenna is of the order of half / effective reading length of this first antenna.
- the second pair of detectors D2 is placed substantially in the middle of the two antennas.
- the third pair of detectors is placed downstream of the second antenna at a distance of the order of half the effective reading distance of the second antenna.
- the detectors are arranged, in the running direction of the vehicle, about 50 cm on each side of each antenna .
- the detectors upstream of each of the antennas serve to indicate the arrival in the reading field of the antenna downstream of a tire
- the third pair of detectors serves to indicate the end of the passage of a tire. ie the output of the reading system of this tire.
- the third pair of detectors can also be replaced by a stop device beyond a given time.
- the response time of the passage detectors is of the order of a micro second.
- the effective reading distance of an antenna is in particular a function of the types of antennas, the parameter setting of the readers, the types of transponders and tires used, it also depends on the speed of passage of the vehicles. This distance can be estimated experimentally and corresponds to the distance during which the conditions for reading the data of a transponder associated with a tire are robust and reliable.
- the rays of the optical detectors are placed at a minimum distance from the taxiing ground. This distance is preferably less than 3 cm, of the order of 1 to 2 cm. This allows not to be disturbed by the body of the vehicle.
- Each antenna is placed at a distance between 0.80 and 1.20 meters from the tire sidewall of vehicles whose transponders must be read during the passage of the vehicle.
- Each antenna is also placed vertically so that its center is at the axis of rotation of the tires of the vehicles to ensure good reading conditions when both antennas of the transponder and the antenna of the system are both aligned vertically.
- Each antenna of the housings 52, 54, 72, 74 is a linear polarization antenna with a vertical electric field. This allows the maximum read power to be used when both antennas of the transponder and the system antenna are both vertically aligned; this also minimizes the reverberations of RF signals or waves between the system antennas and transponders against the ground.
- the presented application has a strong requirement, that of being able to read the transponder data when the vehicles pass along the system at a maximum speed of the order of 50 to 60 km / h. That is to say that in 1 ms, the vehicle travels a distance of 14 to 17 mm.
- passage detectors with a response time of the order of one and a controllable switching time switch of less than 50 makes it possible to immediately start reading the first antenna and then to switch very quickly. from the first to the second when the second detector indicates the arrival of the tire in front of this second antenna. It is thus not subject to variations in response time of the various readers of the trade. In addition, this system ensures that the two antennas are controlled alternately, which ensures that there is no risk of interference between measurements.
- This triggering is transmitted to the logic controller 64 which immediately activates the reader 66 and via the switch 62 the antennas A1 of the housings 52 (reference 53) and 72 These antennas interrogate the transponders of the two front tires of the vehicle and collect and memorize the data transmitted by these transponders.
- this signal is transmitted to the controller which instructs the switch 62 to switch the reader 66 of first antennas A1 (53) to the second antennas A2 of the housings 54 (reference 55) and 74.
- These second antennas interrogate the transponders of the two front tires of the vehicle and collect and store the data transmitted by these transponders.
- the switching speed is such (of the order of 10 ⁇ ) that the reading and recording of the data transmitted by the transponders is almost continuous from the first antennas to the second. Then tripping the third barrier D3 detectors (references 60 and 80) indicates that the front tires of the vehicle are out of the effective reading area antennas of the gantry. This signal is transmitted to the controller that puts the reader to sleep 66. The reader 66 can then transmit to the PC 42 all the data recorded for validation and processing.
- the controller retains the assignment from the reader 66 to the second antennas A2 until the effective tripping of the third detector barrier D3. This allows a complete reading of the front tires of the vehicle.
- the controller orders the switch 62 to activate the first antennas A1.
- the controller acts as previously while maintaining the assignment of the reader 66 to the second antennas A2 until the tripping of the third detector barrier D3.
- transponder on the vehicle body, for example near the rear tire.
- the data of this transponder can also be read by the antennas A1 and A2.
- a system as previously described has been realized.
- This system consisted of an Impinj reader, set to a maximum of 30 dBm of driving power, of two linear Intermec antennas, spaced 1 m apart, oriented vertically, from three infrared detection cells Banner, with transmitter and receiver on the opposite side of the taxiway, two arranged 50 cm in front of their associated antenna and the third 50 cm after the second antenna, of a four-output Keon piloting switch (three used) and an electronic card made in the laboratory to control the switch constituted by a PIC microcontroller and inputs / outputs.
- the tires tested were equipped with SpeedyPatch supplied by Patch Rubber and UHF RFID transponders marketed by Hanna.
- the gantry and transponder data dynamic reading systems have been described in the particular case of competition vehicles, the gantry is then placed for example before the entry of the competition circuit or at the exit of the stands. Such a portal can be adapted to all types of vehicles and tires.
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- Engineering & Computer Science (AREA)
- Toxicology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Artificial Intelligence (AREA)
- General Health & Medical Sciences (AREA)
- Electromagnetism (AREA)
- Computer Vision & Pattern Recognition (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
- Tires In General (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1361687A FR3013907B1 (fr) | 2013-11-27 | 2013-11-27 | Systeme de lecture dynamique de donnees de transpondeurs |
PCT/EP2014/075666 WO2015078912A1 (fr) | 2013-11-27 | 2014-11-26 | Système de lecture dynamique de données de transpondeurs |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3074917A1 true EP3074917A1 (fr) | 2016-10-05 |
Family
ID=50780535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14803120.6A Withdrawn EP3074917A1 (fr) | 2013-11-27 | 2014-11-26 | Système de lecture dynamique de données de transpondeurs |
Country Status (6)
Country | Link |
---|---|
US (1) | US9754138B2 (fr) |
EP (1) | EP3074917A1 (fr) |
JP (1) | JP6615096B2 (fr) |
CN (1) | CN105765603B (fr) |
FR (1) | FR3013907B1 (fr) |
WO (1) | WO2015078912A1 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4427950A1 (fr) | 2023-03-09 | 2024-09-11 | Bridgestone Europe NV/SA | Porte d'identification de pneu et procédé pour véhicules à moteur à longue chaîne, tels que des camions, des semi-remorques, des trains routiers, des autobus ou similaires |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
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FR3030055B1 (fr) | 2014-12-11 | 2017-01-13 | Michelin & Cie | Systeme electronique autonome |
FR3029845B1 (fr) | 2014-12-15 | 2017-08-11 | Michelin & Cie | Patch pour module electronique de pneumatique |
FR3037200B1 (fr) | 2015-06-03 | 2017-05-26 | Michelin & Cie | Transpondeur radiofrequence pour pneumatique |
FR3041285B1 (fr) | 2015-09-18 | 2017-10-27 | Michelin & Cie | Pneumatique possedant un transpondeur passif et procede de communication d'un tel pneumatique |
FR3059592A1 (fr) | 2016-12-05 | 2018-06-08 | Compagnie Generale Des Etablissements Michelin | Procede de fabrication d'un patch equipe d'un transpondeur radiofrequence et pneumatique comportant un tel patch |
FR3059607A1 (fr) | 2016-12-05 | 2018-06-08 | Compagnie Generale Des Etablissements Michelin | Module de communication radiofrequence pour pneumatique |
FR3059606A1 (fr) | 2016-12-05 | 2018-06-08 | Compagnie Generale Des Etablissements Michelin | Module de communication radiofrequence pour pneumatique |
FR3059604A1 (fr) | 2016-12-05 | 2018-06-08 | Compagnie Generale Des Etablissements Michelin | Enveloppe pneumatique equipee d'un organe electronique |
FR3059605A1 (fr) | 2016-12-05 | 2018-06-08 | Compagnie Generale Des Etablissements Michelin | Enveloppe pneumatique equipee d''un organe electronique |
FR3059603A1 (fr) | 2016-12-07 | 2018-06-08 | Compagnie Generale Des Etablissements Michelin | Pneumatique adapte pour roulage a plat equipe d’un organe electronique |
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CN117477200B (zh) * | 2023-09-22 | 2024-04-05 | 人天通信集团有限公司 | 单极化对数周期天线 |
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EP1713648A1 (fr) | 2004-02-12 | 2006-10-25 | Continental Teves AG & Co. oHG | Dispositif de surveillance de la pression des pneus d'un vehicule |
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2013
- 2013-11-27 FR FR1361687A patent/FR3013907B1/fr active Active
-
2014
- 2014-11-26 CN CN201480064916.1A patent/CN105765603B/zh active Active
- 2014-11-26 EP EP14803120.6A patent/EP3074917A1/fr not_active Withdrawn
- 2014-11-26 JP JP2016534997A patent/JP6615096B2/ja active Active
- 2014-11-26 US US15/039,985 patent/US9754138B2/en active Active
- 2014-11-26 WO PCT/EP2014/075666 patent/WO2015078912A1/fr active Application Filing
Non-Patent Citations (2)
Title |
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None * |
See also references of WO2015078912A1 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4427950A1 (fr) | 2023-03-09 | 2024-09-11 | Bridgestone Europe NV/SA | Porte d'identification de pneu et procédé pour véhicules à moteur à longue chaîne, tels que des camions, des semi-remorques, des trains routiers, des autobus ou similaires |
WO2024184837A1 (fr) | 2023-03-09 | 2024-09-12 | Bridgestone Europe Nv/Sa | Porte d'identification de pneu et procédé pour de longs véhicules à moteur à roues multiples tels que des camions, des semi-camions, des trains routiers, des bus ou analogues |
Also Published As
Publication number | Publication date |
---|---|
CN105765603B (zh) | 2019-02-15 |
US9754138B2 (en) | 2017-09-05 |
FR3013907B1 (fr) | 2016-01-01 |
FR3013907A1 (fr) | 2015-05-29 |
WO2015078912A1 (fr) | 2015-06-04 |
CN105765603A (zh) | 2016-07-13 |
JP2017508189A (ja) | 2017-03-23 |
US20160379020A1 (en) | 2016-12-29 |
JP6615096B2 (ja) | 2019-12-04 |
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