Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N11/00—Starting of engines by means of electric motors
  • F02N11/10—Safety devices
  • F02N11/101—Safety devices for preventing engine starter actuation or engagement
  • F02N11/103—Safety devices for preventing engine starter actuation or engagement according to the vehicle transmission or clutch status
• • 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
  • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
  • B60W50/08—Interaction between the driver and the control system
  • B60W50/087—Interaction between the driver and the control system where the control system corrects or modifies a request from the driver
• • 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
  • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
  • B60W50/08—Interaction between the driver and the control system
  • B60W50/12—Limiting control by the driver depending on vehicle state, e.g. interlocking means for the control input for preventing unsafe operation
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N11/00—Starting of engines by means of electric motors
  • F02N11/08—Circuits or control means specially adapted for starting of engines
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N11/00—Starting of engines by means of electric motors
  • F02N11/10—Safety devices
  • F02N11/101—Safety devices for preventing engine starter actuation or engagement
• • 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
  • B60W10/00—Conjoint control of vehicle sub-units of different type or different function
  • B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
  • B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
• • 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
  • B60W2520/10—Longitudinal speed
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N11/00—Starting of engines by means of electric motors
  • F02N11/08—Circuits or control means specially adapted for starting of engines
  • F02N11/0803—Circuits or control means specially adapted for starting of engines characterised by means for initiating engine start or stop
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N11/00—Starting of engines by means of electric motors
  • F02N11/08—Circuits or control means specially adapted for starting of engines
  • F02N11/0814—Circuits or control means specially adapted for starting of engines comprising means for controlling automatic idle-start-stop
  • F02N11/0818—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode
  • F02N11/0822—Conditions for starting or stopping the engine or for deactivating the idle-start-stop mode related to action of the driver
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N2200/00—Parameters used for control of starting apparatus
  • F02N2200/08—Parameters used for control of starting apparatus said parameters being related to the vehicle or its components
  • F02N2200/0801—Vehicle speed
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N2200/00—Parameters used for control of starting apparatus
  • F02N2200/08—Parameters used for control of starting apparatus said parameters being related to the vehicle or its components
  • F02N2200/0802—Transmission state, e.g. gear ratio or neutral state
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N2200/00—Parameters used for control of starting apparatus
  • F02N2200/10—Parameters used for control of starting apparatus said parameters being related to driver demands or status
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N2200/00—Parameters used for control of starting apparatus
  • F02N2200/10—Parameters used for control of starting apparatus said parameters being related to driver demands or status
  • F02N2200/102—Brake pedal position
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
  • F02N2200/00—Parameters used for control of starting apparatus
  • F02N2200/10—Parameters used for control of starting apparatus said parameters being related to driver demands or status
  • F02N2200/106—Driver presence, e.g. detected by door lock, seat sensor or belt sensor

Definitions

• the invention relates to vehicles comprising a powertrain (or GMP), and more specifically the control of the reactivation of the GMP when it has been deactivated.
• GMP powertrain
• the term "powertrain” means a conventional type GMP (that is to say comprising at least one engine), a hybrid type GMP (ie say comprising at least two energy sources, such as for example at least one heat engine and at least one machine (or motor), electric or hydraulic or compressed air, associated with energy storage means ), or a GMP of all-electric type (that is to say, comprising at least one machine (or motor), electric or hydraulic or compressed air, associated (e) storage means energy).
• the conditions of this complete group include mentioning the support on the brake pedal of the vehicle, the selection with a gear lever of the vehicle from a position called “neutral” or a position called “parking” ( or “park”), the initialized state of different computers (such as, for example, the computer associated with the gearbox and the computer associated with the heat engine), the open state of the transmission chain or chains, the presence of one person on the driver's seat, as well as possibly an unlocking of the anti-theft and coded immobilizer systems.
• the verification of these activation conditions of the GMP is intended to avoid any security risk, such as for example a sudden good in front of the vehicle or a start of the combustion engine in a confined environment (which may be the cause of intoxication) .
• Some vehicles have a procedure for automatic reactivation of the GMP after a reset (or "reset") of the computer controlling the GMP. But alas it can not apply to cases where the deactivation of the GMP results from an action performed, possibly unfortunatly, by the driver when his vehicle is moving, particularly because it does not allow the discrimination of situations in which a simplified reactivation is useful and can be carried out secure.
• the invention is therefore particularly intended to improve the situation.
• step (i) in which it is determined whether the vehicle is traveling at a speed greater than a first threshold, and, if so, initiating a procedure for checking a restricted group of activation conditions of the
• step (ii) in which a reactivation of the power unit is ordered if all the conditions of activation of the restricted group are verified.
• the method according to the invention may comprise other characteristics that can be taken separately or in combination, and in particular:
• the restricted group may be equal to the complete group without a first condition relating to a support on a brake pedal of the vehicle, and a second condition relating to a selection with a vehicle speed lever from a "neutral" position or a position called “parking";
• step (i) it is possible to trigger the verification procedure if, in addition, the deactivation request is no longer present;
• step (i) the verification procedure can be triggered if, in furthermore, the speed of the vehicle is greater than a second threshold which is strictly less than the first threshold;
• step (i) it is possible to generate a request for reactivation of the powertrain if the deactivation request is no longer present and in the absence of a request for activation of the powertrain coming from the driver.
• the reactivation of the power unit can be ordered if all the conditions of activation of the restricted group are verified and if the request for reactivation of the power unit has been generated;
• step (ii) the power-train reactivation can be stopped if the driver receives a new request to deactivate the powertrain and / or if the vehicle speed falls below the second threshold;
• step (ii) it is possible to order the reactivation of the powertrain if all the conditions for activation of the restricted group are verified and if a request for activation of the group is received from the driver Transmissions.
• the invention also proposes a device, intended to control the reactivation of a powertrain of a vehicle, and arranged, in case of
• deactivation of the power train caused by a driver deactivation request to determine if the vehicle is traveling at a speed greater than a first threshold and, if so, to initiate a restricted group verification procedure powertrain activation conditions selected from a complete group, and ordering reactivation of the powertrain if all the conditions of activation of the restricted group are verified.
• the invention also proposes a computer, intended to control the operation of a powertrain of a vehicle, and comprising a control device of the type of that presented above.
• the invention also proposes a vehicle, possibly of automotive type, and comprising a powertrain and a computer of the type of that presented above.
• FIG. 1 diagrammatically and functionally illustrates an example of a powertrain vehicle with a manual gearbox
• FIG. 2 schematically illustrates an exemplary algorithm implementing a detection method according to the invention.
• the object of the invention is to propose a method of detection, and a
• associated detection device intended to control the reactivation of a power unit of a vehicle V rolling, following a deactivation, possibly unintentionally, by its driver.
• the vehicle V is of automobile type. This is for example a car. But
• the invention is not limited to this type of vehicle. It concerns any vehicle having a powertrain for providing torque, for example to rotate wheels or a propeller. Consequently, the invention relates in particular to land vehicles (cars, motorcycles, commercial vehicles, coaches (or buses), trucks, road vehicles,
• the powertrain is of conventional type, and therefore it comprises at least one heat engine MT. But it could be
• Hybrid type that is to say comprising at least two energy sources, such as for example at least one heat engine and at least one machine (or motor), electric or hydraulic or compressed air, associated with ) to energy storage means
• all-electric type that is to say comprising at least one machine (or motor), electric or hydraulic
• FIG. 1 diagrammatically illustrates a nonlimiting example of a vehicle V with a powertrain (here conventional). As illustrated, this vehicle V comprises at least one heat engine MT, a motor shaft AM, EM clutch and BV gearbox.
• the thermal engine MT comprises a crankshaft which defines the drive shaft AM, intended to be driven in rotation at a chosen engine speed.
• the gearbox BV is for example of the manual type.
• it comprises an input (or primary) shaft AE and at least one output (or secondary) shaft AS intended to be coupled to each other in order to transmit torque.
• the input shaft AE is intended to receive the engine torque via the clutch EM and comprises several pinions (not shown) intended to participate in the definition of the different ratios (or speeds)) selected from the gearbox BV.
• the output shaft AS is designed to receive the motor torque via the input shaft AE in order to communicate it to a train (here the TV front gear), via a differential DV.
• This output shaft AS comprises several pinions (not shown) intended to mesh with certain pinions of the input shaft AE in order to participate in the definition of the different gear ratios (or speeds) selected from the gearbox BV.
• the clutch EM comprises in particular a flywheel which is fixedly secured to the drive shaft AM and a clutch disk which is fixedly secured to the input shaft AE.
• BV could be automatic type, or manual type controlled (or robotic) or dual clutch (or DCT).
• the operation of the heat engine MT is controlled by a computer (or supervisor) CS.
• the vehicle V here also comprises an accelerator pedal PA, a brake pedal PF and a clutch pedal PE allowing the driver to act on the powertrain (or GMP).
• the invention proposes in particular to implement, within a vehicle V, a method for controlling the reactivation of a powertrain (or GMP) of a vehicle V rolling,) following a disabling, possibly unfortunate, by its driver.
• control device D can, as illustrated without limitation in FIG. installed in the CS calculator. But this is not obligatory. Indeed, it could be external to the computer CS, while being coupled to it (CS). In the latter case, it may itself be in the form of a dedicated computer including a possible dedicated program, for example. Consequently, a control device D, according to the invention, can be realized in the form of software modules (or computer (or “software”)), or electronic circuits (or “hardware”), or else a combination of electronic circuits and software modules.
• the (control) method according to the invention comprises first (i)
• the first step (i) of the method is triggered each time the powertrain (or GMP) is deactivated following the receipt by the computer CS of a request for deactivation of the GMP from a driver.
• This request for deactivation of the GMP may, for example, result from a rotational drive of the key used to turn on the ignition and select the start function or an unfortunate support on the start button of the vehicle.
• the first part P1 of the device D triggers a verification procedure of a restricted group of GMP activation conditions which are selected from a complete group.
• the term "complete group” is understood to mean a group that includes all the GMP activation conditions that are usually used by a verification module MV of the calculator CS to determine whether this GMP can be activated following the receipt of a request for authorization. activation of the GMP emanating from the driver, for example following the use of the ignition key to select the starting function or a long) pressure on the start button (possibly simultaneously pressing the brake pedal).
• Such a complete group comprises the support on the brake pedal PF of the vehicle V, the selection with the speed lever of the vehicle V of a position called “neutral” or a position called “parking” (or “park”), the initialized state of different computers (such as the calculator associated with the gearbox BV and the computer associated with the thermal engine MT), the open state of the one or more transmission chains, the presence of a person in the driver's seat
• the complete group issues a GMP activation authorization to a generation module MG of the computer CS. Then, if the GMP activation request is still valid after verification, the MG generation module determines a state of operation for the GMP.
• the restricted group may be equal to the full group
• the verification module MV of the computer CS 5 which carries out the verification of the activation conditions of the GMP which are contained in the restricted group, at the request of the device D.
• a second part P2 of the device D is, for example and preferentially, integrated in the verification module MV, and arranged to force the latter (MV) to perform a restricted verification.
• the first threshold S1 can be between about 15 km / h and about 20 km / h. Thus, it can, for example, be equal to 18 km / h.
• the second part P2 of the device D orders a reactivation of the GMP if all the conditions activation of the GMP (contained in the restricted group) are checked.
• the generation module MG of the computer CS will determine a new operating state for the GMP.
• the first part P1 of the device D can trigger the verification procedure if, in addition, the deactivation request (from the driver) is no longer present, for example because the driver has just used the key
• the first step (i) (the first part P1 of the device D) can trigger the verification procedure if, in addition, the speed V v of the vehicle V is greater than a second threshold S2 which is strictly less than the first threshold S1, so as to avoid the occurrence of information oscillations if the speed V v of the vehicle V oscillates precisely
• the second threshold S2 may be lower than the first threshold S1 by a value between about 10 km / h and about 15 km / h. Thus, it can, for example, be equal to 12 km / h.
• the first step (i) (the first part P1 of the device D) can generate a request for reactivation of the GMP if the deactivation request (from the driver) is no longer present and in the no request for GMP activation from the driver.
• the driver has used the ignition key to select the only ignition function of the electrical network ("on") or exerted pressure on the start button without pressing the brake pedal to turn on the ignition. electrical network.
• This request for reactivation of the GMP is here intended to make the MG of the calculator CS believe that the driver has made such a request when it is not the case, so as to avoid the driver having to use the key to select the
• start function or to press the start button (simultaneously pressing the brake pedal).
• the generation module MG of the computer CS determines a new operating state for the GMP. The GMP then returns to its "active" state, with the possibility of
• the reactivation of the GMP can be ordered if all the activation conditions of the restricted group are verified and if a request is received from the driver.
• the first part P1 of the device D does not generate a request for reactivation of the GMP substantially at the same time as it requires a simplified verification.
• the generation module MG of the calculator CS can function classically without having to add to it
• the generation module MG is arranged so as to decide to reactivate the GMP if the verification of the activation conditions is positive and if the driver has provided a request to activate the GMP, for example by using the key to select the start function or by pressing the start button.
• the generation module MG of the calculator CS 5 comprises a third part P3 of the device D responsible for managing exclusively the cases where the verification has been simplified, in collaboration with the second part P2.
• FIG. 2 schematically illustrates a nonlimiting example of an algorithm implementing a detection method according to the invention
• a first substep 10 triggered by the reception by the computer CS of a request for deactivation of the GMP, it is determined whether the vehicle V is traveling at a speed V v which is greater than the first threshold S1. If so, a second substep 20 is performed in which
• a third substep 30 the above restricted verification is carried out.
• the first 10, second 20 and third 30 substeps are part of the first step (i) of the method according to the invention.
• GMP if all GMP activation conditions (contained in the restricted group) are checked and if a request for reactivation of the GMP was generated in the second substep 20. Then, a new operating state for the GMP is determined. GMP. This new state of operation of the
• GMP is then used when possible new first 10 and second 20 substeps.
• the fourth sub-step 40 is part of the second step (ii) of process according to the invention.
• the invention significantly improves comfort and safety in certain critical situations of driving a vehicle.

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• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• Automation & Control Theory (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• General Engineering & Computer Science (AREA)
• Human Computer Interaction (AREA)
• Transportation (AREA)
• Control Of Transmission Device (AREA)
• Control Of Vehicle Engines Or Engines For Specific Uses (AREA)

Priority Applications (2)

Applications Claiming Priority (2)

Publications (1)

Family

ID=51897329

Family Applications (1)

Country Status (4)

Citations (5)

Family Cites Families (1)

• 2014
  • 2014-09-23 FR FR1458941A patent/FR3026075B1/fr active Active
• 2015
  • 2015-07-23 EP EP15753400.9A patent/EP3198135A1/fr not_active Withdrawn
  • 2015-07-23 CN CN201580051033.1A patent/CN106715889B/zh active Active
  • 2015-07-23 WO PCT/FR2015/052034 patent/WO2016046459A1/fr active Application Filing

Patent Citations (5)

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