EP3844042A1 - Procede de pilotage d'un groupe motopropulseur d'un vehicule automobile dans le cas d'un patinage d'une roue - Google Patents
Procede de pilotage d'un groupe motopropulseur d'un vehicule automobile dans le cas d'un patinage d'une roueInfo
- Publication number
- EP3844042A1 EP3844042A1 EP19758434.5A EP19758434A EP3844042A1 EP 3844042 A1 EP3844042 A1 EP 3844042A1 EP 19758434 A EP19758434 A EP 19758434A EP 3844042 A1 EP3844042 A1 EP 3844042A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- wheel
- motor vehicle
- torque
- powertrain
- coupled
- 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- Withdrawn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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units
- B60W30/18—Propelling the vehicle
- B60W30/18172—Preventing, or responsive to skidding of wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
- B60K28/10—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle
- B60K28/16—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the vehicle responsive to, or preventing, spinning or skidding of wheels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/38—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the driveline clutches
- B60K6/387—Actuated clutches, i.e. clutches engaged or disengaged by electric, hydraulic or mechanical actuating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/442—Series-parallel switching type
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/50—Architecture of the driveline characterised by arrangement or kind of transmission units
- B60K6/52—Driving a plurality of drive axles, e.g. four-wheel drive
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/04—Introducing corrections for particular operating conditions
- F02D41/10—Introducing corrections for particular operating conditions for acceleration
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1497—With detection of the mechanical response of the engine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/10—Change speed gearings
- B60W2510/104—Output speed
- B60W2510/1045—Output speed change rate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/26—Wheel slip
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/28—Wheel speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/06—Combustion engines, Gas turbines
- B60W2710/0666—Engine torque
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D2250/00—Engine control related to specific problems or objectives
- F02D2250/18—Control of the engine output torque
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
Definitions
- the invention relates to the control of a powertrain of a motor vehicle, and more particularly to said control during the skating phases P of at least one first wheel of the motor vehicle coupled to the powertrain.
- the powertrain of a motor vehicle provides a driving torque Ce to the at least one first wheel of the motor vehicle.
- This driving torque Ce generally comprises a torque Ce controlled by a driver of the motor vehicle and an inertial compensation torque.
- the inertial compensation torque is added to the torque Ce commanded by the driver to counter an inertia of said at least one first wheel and of members of the powertrain coupled to the at least one first wheel.
- the inertial compensation torque thus avoids the feeling, by the driver, of said inertia when ordering the torque Ce.
- the inertial compensation torque is a function of a gradient Gr1 of a speed R1 of the at least one first wheel.
- Figure 2 is a graph showing a torque C and a speed R as a function of time t.
- FIG. 2 is illustrated: the drive torque Ce of the at least one first wheel of the motor vehicle by the powertrain (in solid line, at the top); the torque Ce ordered by the driver of the motor vehicle (in large dotted lines); the R1 speed of the at least one first wheel (in phantom); the gradient Gr1 of the R1 regime of the at least one first wheel (in thin dotted lines); an R2 speed of at least one second wheel not coupled to the powertrain (solid line, below).
- the torque Ce controlled by the driver is constant.
- the inertial compensation torque a function of the gradient Gr1 of the R1 regime of the at least one first wheel and s 'adding to the torque Ce controlled by the driver, increases the driving torque Ce thus increasing the speed R1 of the at least one first wheel and therefore the slip P of this at least one first wheel.
- the objective is to propose a method for driving a powertrain of a motor vehicle coupled to at least one first wheel of the motor vehicle, the driving method reducing slippage P of said at least one first wheel. .
- a method of driving a powertrain of a motor vehicle according to which the powertrain provides a drive torque to at least one first wheel of the motor vehicle. function of a torque controlled by the driver of the motor vehicle and, when there is a change in the commanded torque, an inertial compensation torque is added to the commanded torque; in the case of slipping of the at least one first wheel, the addition of the inertial compensation torque is deactivated.
- the steering method thus limits the driving torque of the at least one first wheel coupled to the powertrain when the slip of the at least one first wheel is detected.
- a motor vehicle comprising a powertrain, at least one first wheel capable of being coupled to the powertrain and a means of implementing a method of driving the powertrain as above described.
- the powertrain comprises a first engine capable of being coupled to the at least one first wheel and a second engine capable of being coupled to the at least one second wheel;
- the first motorization comprises a first non-thermal drive source capable of being coupled to the at least one first wheel;
- the motor vehicle comprises a gearbox capable of coupling the first drive source and the at least one first wheel;
- the first motorization comprises a heat engine capable of being coupled to the first motor source;
- the motor vehicle comprises a clutch capable of coupling the first drive source and the heat engine;
- the first power source and the second engine are electric machines and the energy store is a
- FIG. 1 is a schematic view of a motor vehicle according to an embodiment of the invention
- FIG. 2 illustrates a graph representing a method of driving a powertrain during a slip of at least one wheel of a motor vehicle according to the prior art
- FIG. 3 illustrates a graph representing a method of driving a powertrain during slippage of at least one wheel of a motor vehicle according to an embodiment of the invention.
- Figure 1 shows a motor vehicle 100 comprising a group 1 10 powertrain and at least one first wheel 120 adapted to be coupled to the group 1 10 powertrain.
- the powertrain group 1 10 comprises a first motorization 1 1 1, 1 12 capable of being coupled to said at least one first wheel 120 of the motor vehicle 100 and a second motorization 1 13 capable of being coupled to at least one second wheel 130 of the motor vehicle 100.
- the powertrain 1 10 group includes only the first engine 1 1 1, 1 12 or only the second engine 1 13.
- the first motorization 1 1 1, 1 12 comprises a first source 1 1 1 non-thermal drive capable of being coupled to said at least one first wheel 120 and a thermal engine 1 12 capable of being coupled to the first source 1 1 1 motor.
- the first engine 1 1 1, 1 12 includes only the first source 1 1 1 drive or only the engine 1 12 thermal.
- the first driving source 1 1 1 is capable of being coupled to said at least one first wheel 120 by means of a gearbox 140.
- the engine 1 12 thermal is adapted to be coupled to the first source 1 1 1 drive by means of a clutch 150.
- the second motorization 1 13 comprises a second drive source capable of being coupled to the at least one second wheel 130.
- the second drive source is adapted to be coupled to said at least one second wheel 130 by means of a dog clutch 160.
- the powertrain 1 10 also includes an energy store 170 capable of supplying the first power source 1 1 1 and the second power source or to be recharged by them.
- the first power source 1 1 1 and the second power source are electric machines and the energy store 170 is a battery.
- the first motorization 1 1 1, 1 12 is able to be coupled to the front wheels of the motor vehicle 100 and the second motorization 1 13 is able to be coupled to the rear wheels of the vehicle 100 automobile.
- a method of driving the powertrain group 1 10 of the motor vehicle 100 during a slip P of the at least one first wheel 120 to which the powertrain group 1 10 is coupled is shown in the graph in FIG. 3.
- Figure 3 is a graph showing a torque C and a speed R as a function of time t.
- a torque Ce of the drive of the at least one first wheel 120 of the motor vehicle 100 by the group 1 10 powertrain (solid line, above); a torque Ce commanded by a driver of the motor vehicle 100 (in large dotted lines); a speed R1 of the at least one first wheel 120 (in phantom); a gradient Gr1 of the speed R1 of the at least one first wheel 120 (in thin dotted lines); a speed R2 of the at least one second wheel 130 (in solid lines, at the bottom).
- the torque Ce controlled by the driver is constant.
- the second motorization 1 13 is not coupled to the at least one second wheel 130 leaving this at least one second wheel 130 free to rotate.
- the driver of the motor vehicle 100 controls the torque Ce.
- the piloting process comprises a first step of controlling the driving torque Ce.
- the at least one first wheel 120 is not in rotation.
- the at least one first wheel 120 therefore has no inertia and the driving torque Ce of the at least one first wheel 120 is thus equal to the torque Ce commanded.
- the at least one first wheel 120 starts to rotate.
- the slippage P of the at least one first wheel 120 is detected.
- the piloting process comprises a second step of controlling the driving torque Ce.
- the driving torque Ce is equal to the commanded torque Ce.
- the torque This drive is not, during this second control step, not a function of the inertia of the at least one first wheel 120 and of organs of the drive train 1 10 coupled to said at least one first wheel 120.
- the speed R2 of the at least one second wheel 130 becomes positive.
- the motor vehicle 100 therefore begins to roll.
- the piloting process then comprises a third step of controlling the driving torque Ce.
- the drive torque Ce is a function of the torque Ce controlled by the driver and of an inertial compensation torque compensating for the inertia of the at least one first wheel 120 and of organs of the group 1 10 power train coupled to said at least one first wheel 120.
- the driving torque Ce of this third step is therefore a function of the commanded torque Ce and of the gradient Gr1 of the speed R1 of the at least one first wheel 120.
- the graphs shown in the figures are examples of application of the piloting process, the curves of which may have a different appearance than those shown as a function, for example, of the driver's commands or of the speed of the motor vehicle 100.
- the steering method thus limits the driving torque Ce of the at least one first wheel 120 coupled to the drive train 1 10 when the slip P of the at least one first wheel 120 is detected.
- the limitation of the drive torque, in the case of the slipping P of the at least one first wheel, makes it possible to reduce the skating time P of the at least one first wheel and thus makes it possible to reduce the consumption of the 100 motor vehicle as well as premature wear of certain parts of the motor vehicle 100 such as tires.
- the steering method also makes it possible, when no slip P is detected, to compensate for the inertia of the at least one first wheel 120 and of organs of the drive train 1 10 coupled to said at least one first wheel 120.
- the control process is implemented for the second engine 1 13 independently of an implementation of this process for the first motorization 1 1 1, 1 12.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1857746A FR3085311B1 (fr) | 2018-08-29 | 2018-08-29 | Procede de pilotage d’un groupe motopropulseur d’un vehicule automobile dans le cas d’un patinage d’une roue |
| PCT/FR2019/051766 WO2020043971A1 (fr) | 2018-08-29 | 2019-07-15 | Procede de pilotage d'un groupe motopropulseur d'un vehicule automobile dans le cas d'un patinage d'une roue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP3844042A1 true EP3844042A1 (fr) | 2021-07-07 |
Family
ID=63963216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP19758434.5A Withdrawn EP3844042A1 (fr) | 2018-08-29 | 2019-07-15 | Procede de pilotage d'un groupe motopropulseur d'un vehicule automobile dans le cas d'un patinage d'une roue |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP3844042A1 (fr) |
| CN (1) | CN112672941B (fr) |
| FR (1) | FR3085311B1 (fr) |
| WO (1) | WO2020043971A1 (fr) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111516689B (zh) * | 2020-03-23 | 2022-01-18 | 吉利汽车研究院(宁波)有限公司 | 一种车辆输出扭矩的控制方法、装置、系统及存储介质 |
| GB2594274B (en) | 2020-04-21 | 2022-07-13 | Jaguar Land Rover Ltd | Inertia compensation method for vehicles |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2904271B1 (fr) * | 2006-07-28 | 2008-09-26 | Renault Sas | Procede et dispositif de controle du glissement d'une roue pour vehicule automobile |
| JP5523869B2 (ja) * | 2010-02-26 | 2014-06-18 | アイシン・エーアイ株式会社 | 車両の駆動状態制御装置 |
| FR2988651B1 (fr) * | 2012-03-29 | 2014-04-18 | Peugeot Citroen Automobiles Sa | Procede de controle de motorisation d’un vehicule comprenant au moins deux motorisations |
| EP2953807B1 (fr) * | 2013-02-11 | 2018-05-23 | Volvo Truck Corporation | Procédé pour commander un vehicule |
| FR3043046B1 (fr) * | 2015-11-03 | 2018-10-26 | Psa Automobiles Sa. | Procede de commande du couple d’un moteur dans un vehicule automobile |
| US10106148B2 (en) * | 2016-08-19 | 2018-10-23 | Ford Global Technologies, Llc | Electric machine torque control during transient phase of bypass clutch |
| FR3062357B1 (fr) * | 2017-01-31 | 2021-12-17 | Peugeot Citroen Automobiles Sa | Procede de surveillance d'un defaut de controle du groupe motopropulseur d’un vehicule |
-
2018
- 2018-08-29 FR FR1857746A patent/FR3085311B1/fr active Active
-
2019
- 2019-07-15 CN CN201980057074.XA patent/CN112672941B/zh active Active
- 2019-07-15 WO PCT/FR2019/051766 patent/WO2020043971A1/fr not_active Ceased
- 2019-07-15 EP EP19758434.5A patent/EP3844042A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| FR3085311B1 (fr) | 2022-01-14 |
| CN112672941A (zh) | 2021-04-16 |
| FR3085311A1 (fr) | 2020-03-06 |
| WO2020043971A1 (fr) | 2020-03-05 |
| CN112672941B (zh) | 2024-10-15 |
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