WO2023161696A1 - Système et procédé de commande d'une opération d'embrayage - Google Patents

Système et procédé de commande d'une opération d'embrayage Download PDF

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Publication number
WO2023161696A1
WO2023161696A1 PCT/IB2022/060810 IB2022060810W WO2023161696A1 WO 2023161696 A1 WO2023161696 A1 WO 2023161696A1 IB 2022060810 W IB2022060810 W IB 2022060810W WO 2023161696 A1 WO2023161696 A1 WO 2023161696A1
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WO
WIPO (PCT)
Prior art keywords
clutch
parameters
control unit
controlling
predefined
Prior art date
Application number
PCT/IB2022/060810
Other languages
English (en)
Inventor
Pranshu MISHRA
Ramakrishnan P
Siddharth KUMAR
Kshitikesh Parmeshwar
Abhishek Gupta
Narayan Sutar
Keshav Jindal
Original Assignee
Mahle Anand Thermal Systems Private Limited
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mahle Anand Thermal Systems Private Limited filed Critical Mahle Anand Thermal Systems Private Limited
Publication of WO2023161696A1 publication Critical patent/WO2023161696A1/fr

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Classifications

    • 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
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
    • 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
    • B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/02—Controlling of coolant flow the coolant being cooling-air
    • F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
    • F01P7/042—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using fluid couplings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P7/00—Controlling of coolant flow
    • F01P7/02—Controlling of coolant flow the coolant being cooling-air
    • F01P7/08—Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps
    • F01P7/081—Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps using clutches, e.g. electro-magnetic or induction clutches
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D48/00—External control of clutches
    • F16D48/06—Control by electric or electronic means, e.g. of fluid pressure

Definitions

  • Embodiments of a present disclosure relate to an automotive field, and more particularly to a system and method for controlling a clutch operation.
  • Clutch refers to a mechanical device that engages and disengages power transmission, especially from a drive shaft (driving shaft) to a driven shaft. Basically, the clutch connects and disconnects two rotating shafts.
  • a viscous clutch refers to a clutch that uses a viscous coupling mechanism to couple a driving element with a driven element to support a clutch operation.
  • the viscous clutch can come with a fan, and hence can be called as a viscous clutch fan which is used in a cooling system of a vehicle. Every vehicle possesses a system for controlling the clutch operation. However, one or more parts of the system and a process or a method of operation may vary based on one or more factors such as the cost of the vehicle, a requirement of a user of the vehicle, or the like.
  • wiring harnesses are used for the transmission of data between a clutch and a clutch control unit, for controlling the clutch operation.
  • proper maintenance of the wiring harnesses is a challenging task, because the wiring harnesses are placed near rotating devices, which can hamper the wiring harnesses.
  • a connection between the clutch and the clutch control unit may be lost, and therefore, the clutch control unit fails to control the clutch operation.
  • a system for controlling a clutch operation includes a clutch control unit.
  • the clutch control unit is operatively coupled to a clutch of a vehicle.
  • the clutch control unit is configured to receive one or more parameters sensed via one or more sensors during an operation of the vehicle.
  • the clutch control unit is also configured to transmit the corresponding one or more parameters to a processing subsystem using a predefined transmission mechanism.
  • the processing subsystem is configured to execute on a network to control bidirectional communications among a plurality of modules.
  • the processing subsystem includes a trigger generation module.
  • the trigger generation module is configured to receive the one or more parameters from the clutch control unit upon registration.
  • the trigger generation module is also configured to identify a deviation in the one or more parameters by comparing a value of the corresponding one or more parameters with a corresponding preferred value based on predefined criteria. Further, the trigger generation module is also configured to generate a trigger signal corresponding to controlling of the clutch operation upon identification of the corresponding deviation.
  • the processing subsystem also includes a controlling module operatively coupled to the trigger generation module.
  • the controlling module is configured to generate a control signal corresponding to an indication for setting the corresponding one or more parameters to the corresponding preferred value, upon receiving the trigger signal.
  • the control signal is transmitted to the clutch control unit using the predefined transmission mechanism.
  • the clutch control unit is configured to control the clutch operation by setting the corresponding one or more parameters to the corresponding preferred value using a predefined controlling mechanism, upon receiving the control signal.
  • the system also includes a power management unit operatively coupled to the clutch control unit.
  • the power management unit is configured to generate an electrical energy from the clutch operation using an electrical energy generation mechanism, by operatively coupling an electrical energy generation unit with a shaft of the viscous clutch.
  • the power management unit is also configured to detect a drop in an energy storage associated with a power supply unit using a predefined energy measurement mechanism upon generating the electrical energy.
  • the power supply unit is adapted to supply power for an operation to the clutch control unit. Further, the power management unit is also configured to recharge the power supply unit by supplying the corresponding electrical energy to the corresponding power supply unit, upon detecting the drop in the energy storage for controlling the clutch operation.
  • a viscous clutch fan system in accordance with another embodiment, includes a viscous clutch.
  • the viscous clutch includes a shaft adapted to rotate about an axis of rotation upon an operation of the viscous clutch.
  • the viscous clutch also includes a driving part arranged rotatably on the shaft.
  • the viscous clutch also includes a viscous coupling chamber positioned adjacent to the driving part.
  • the viscous clutch also includes a driven part operatively coupled to the shaft via the viscous coupling chamber.
  • the driven part includes a cooling fan.
  • the cooling fan is adapted to rotate at a predefined rotational speed based on predefined criteria upon engagement or disengagement between the driving part and the driven part.
  • the viscous clutch fan system also includes a clutch control unit operatively coupled to the viscous clutch of a vehicle via the driving part.
  • the clutch control unit is configured to receive one or more parameters sensed via one or more sensors during an operation of the vehicle.
  • the clutch control unit is also configured to transmit the corresponding one or more parameters to a processing subsystem using a predefined transmission mechanism.
  • the processing subsystem is configured to execute on a network to control bidirectional communications among a plurality of modules.
  • the processing subsystem includes a trigger generation module.
  • the trigger generation module is configured to receive the one or more parameters from the clutch control unit upon registration.
  • the trigger generation module is also configured to identify a deviation in the one or more parameters by comparing a value of the corresponding one or more parameters with a corresponding preferred value based on predefined criteria.
  • the trigger generation module is also configured to generate a trigger signal corresponding to controlling of the clutch operation upon identification of the corresponding deviation.
  • the processing subsystem also includes a controlling module operatively coupled to the trigger generation module.
  • the controlling module is configured to generate a control signal corresponding to an indication for setting the corresponding one or more parameters to the corresponding preferred value, upon receiving the trigger signal.
  • the control signal is transmitted to the clutch control unit using the predefined transmission mechanism.
  • the clutch control unit is configured to control the clutch operation by setting the corresponding one or more parameters to the corresponding preferred value using a predefined controlling mechanism, upon receiving the control signal.
  • the viscous clutch fan system also includes a power management unit operatively coupled to the clutch control unit.
  • the power management unit is configured to generate an electrical energy from the clutch operation using an electrical energy generation mechanism, by operatively coupling an electrical energy generation unit with a shaft of the viscous clutch.
  • the power management unit is also configured to detect a drop in an energy storage associated with a power supply unit using a predefined energy measurement mechanism upon generating the electrical energy.
  • the power supply unit is adapted to supply power for an operation to the clutch control unit. Further, the power management unit is also configured to recharge the power supply unit by supplying the corresponding electrical energy to the corresponding power supply unit, upon detecting the drop in the energy storage for controlling the clutch operation.
  • a vehicle system in accordance with yet another embodiment, includes a chassis.
  • the chassis is configured to provide a structure to a vehicle.
  • the vehicle system also includes an engine operatively coupled to the chassis.
  • the engine is configured to power the vehicle to enable an operation of the vehicle.
  • the vehicle system also includes a viscous clutch fan system operatively coupled to the engine.
  • the viscous clutch fan system is adapted to control temperature of the engine based on predefined criteria during the operation of the vehicle.
  • the viscous clutch fan system includes a viscous clutch.
  • the viscous clutch includes a shaft adapted to rotate about an axis of rotation upon an operation of the viscous clutch.
  • the viscous clutch also includes a driving part arranged rotatably on the shaft.
  • the viscous clutch also includes a viscous coupling chamber positioned adjacent to the driving part. Furthermore, the viscous clutch also includes a driven part operatively coupled to the shaft via the viscous coupling chamber.
  • the driven part includes a cooling fan. The cooling fan is adapted to rotate at a predefined rotational speed based on predefined criteria upon engagement or disengagement between the driving part and the driven part.
  • the viscous clutch fan system also includes a clutch control unit operatively coupled to the viscous clutch of a vehicle via the driving part.
  • the clutch control unit is configured to receive one or more parameters sensed via one or more sensors during an operation of the vehicle.
  • the clutch control unit is also configured to transmit the corresponding one or more parameters to a processing subsystem using a predefined transmission mechanism.
  • the processing subsystem is configured to execute on a network to control bidirectional communications among a plurality of modules.
  • the processing subsystem includes a trigger generation module.
  • the trigger generation module is configured to receive the one or more parameters from the clutch control unit upon registration.
  • the trigger generation module is also configured to identify a deviation in the one or more parameters by comparing a value of the corresponding one or more parameters with a corresponding preferred value based on the predefined criteria. Further, the trigger generation module is also configured to generate a trigger signal corresponding to controlling of the clutch operation upon identification of the corresponding deviation.
  • the processing subsystem also includes a controlling module operatively coupled to the trigger generation module.
  • the controlling module is configured to generate a control signal corresponding to an indication for setting the corresponding one or more parameters to the corresponding preferred value, upon receiving the trigger signal.
  • the control signal is transmitted to the clutch control unit using the predefined transmission mechanism.
  • the clutch control unit is configured to control the clutch operation by setting the corresponding one or more parameters to the corresponding preferred value using a predefined controlling mechanism, upon receiving the control signal.
  • the viscous clutch fan system also includes a power management unit operatively coupled to the clutch control unit.
  • the power management unit is configured to generate an electrical energy from the clutch operation using an electrical energy generation mechanism, by operatively coupling an electrical energy generation unit with a shaft of the viscous clutch.
  • the power management unit is also configured to detect a drop in an energy storage associated with a power supply unit using a predefined energy measurement mechanism upon generating the electrical energy.
  • the power supply unit is adapted to supply power for an operation to the clutch control unit. Further, the power management unit is also configured to recharge the power supply unit by supplying the corresponding electrical energy to the corresponding power supply unit, upon detecting the drop in the energy storage for controlling the clutch operation.
  • a method for controlling a clutch operation includes receiving one or more parameters sensed via one or more sensors during an operation of a vehicle. The method also includes transmitting the corresponding one or more parameters to a processing subsystem using a predefined transmission mechanism. Further, the method also includes receiving the one or more parameters from the clutch control unit upon registration. Furthermore, the method also includes identifying a deviation in the one or more parameters by comparing a value of the corresponding one or more parameters with a corresponding preferred value based on predefined criteria. Furthermore, the method also includes generating a trigger signal corresponding to controlling of the clutch operation upon identification of the corresponding deviation.
  • the method also includes generating a control signal corresponding to an indication for setting the corresponding one or more parameters to the corresponding preferred value, upon receiving the trigger signal. Furthermore, the method also includes transmitting the control signal to the clutch control unit using the predefined transmission mechanism. Furthermore, the method also includes controlling the clutch operation by setting the corresponding one or more parameters to the corresponding preferred value using a predefined controlling mechanism, upon receiving the control signal. Furthermore, the method also includes generating an electrical energy from the clutch operation using an electrical energy generation mechanism, by operatively coupling an electrical energy generation unit with a shaft of the viscous clutch.
  • the method also includes detecting a drop in an energy storage associated with a power supply unit using a predefined energy measurement mechanism upon generating the electrical energy, wherein the power supply unit is adapted to supply power for an operation to the clutch control unit. Furthermore, the method also includes recharging the power supply unit by supplying the corresponding electrical energy to the corresponding power supply unit, upon detecting the drop in the energy storage for controlling the clutch operation.
  • FIG. 1 is a block diagram representation of a system for controlling a clutch operation in accordance with an embodiment of the present disclosure
  • FIG. 2 is a schematic representation of an exemplary embodiment of a power management unit operatively coupled to a clutch control unit of the system of FIG. 1 in accordance with an embodiment of the present disclosure
  • FIG. 3 is a schematic representation of a viscous clutch fan system depicting an application of the system for controlling the clutch operation of FIG. 1 in accordance with an embodiment of the present disclosure
  • FIG. 4 is a schematic representation of a vehicle system depicting an application of the viscous clutch fan system of FIG. 3 in accordance with an embodiment of the present disclosure
  • FIG. 5 is a block diagram of a clutch operation control computer or a clutch operation control server in accordance with an embodiment of the present disclosure
  • FIG. 6 (a) is a flow chart representing steps involved in a method for controlling a clutch operation in accordance with an embodiment of the present disclosure.
  • FIG. 6 (b) is a flow chart representing continued steps involved in a method of FIG. 6 (a) in accordance with an embodiment of the present disclosure.
  • Embodiments of the present disclosure relate to a system for controlling a clutch operation.
  • the term “clutch” is defined as a mechanical device that engages and disengages power transmission, especially from a drive shaft (driving shaft) to a driven shaft. Basically, the clutch connects and disconnects two rotating shafts. Every vehicle possesses a system for controlling the clutch operation. However, one or more parts of the system and a process or a method of operation may vary based on one or more factors such as a cost of the vehicle, a requirement of a user of the vehicle, or the like. Further, the system described hereafter in FIG. 1 is the system for controlling the clutch operation, wherein the system may be an improved system in comparison to a conventional system.
  • FIG. 1 is a block diagram representation of a system (10) for controlling a clutch operation in accordance with an embodiment of the present disclosure.
  • the system (10) includes a clutch control unit (20).
  • the clutch control unit (20) is operatively coupled to a clutch (30) of a vehicle.
  • the operative coupling between the clutch control unit (20) and the clutch (30) may correspond to an electrical coupling for enabling the clutch control unit (20) and the clutch (30) to exchange data in a form of one or more digital signals, one or more electrical signals, or the like.
  • the operatively coupling between the clutch control unit (20) and the clutch (30) may be established via a detachable connector.
  • the clutch (30) may include a viscous clutch.
  • the term “viscous clutch” refers to a clutch that uses a viscous coupling mechanism to couple a driving element with a driven element to support a clutch operation.
  • the clutch control unit (20) is configured to receive one or more parameters sensed via one or more sensors during an operation of the vehicle.
  • the one or more parameters may include at least one of one or more clutch parameters, one or more vehicle parameters, and the like.
  • the one or more clutch parameters may include at least one of rotational speed associated with the clutch (30), magnetic field associated with the clutch (30), an electrical energy associated with the clutch (30), and the like.
  • the one or more vehicle parameters may include at least one of temperature of an engine of the vehicle, a location of the vehicle, and the like.
  • the one or more sensors may include at least one of a temperature sensor, a hall-effect sensor, a speed detection sensor, a Global Positioning System (GPS) sensor, one or more Internet of Things (loT) sensors, and the like.
  • the clutch control unit (20) is also configured to transmit the corresponding one or more parameters to a processing subsystem (40) using a predefined transmission mechanism.
  • knowing a GPS location of the vehicle wherein the vehicle may be using the system (10) proposed in the present disclosure, may be important because the GPS location may assist in knowing a terrain of the vehicle. Further, the terrain of the vehicle may assist in knowing distance covered by the corresponding vehicle, wherein knowing the distance may assist in validation of the clutch.
  • the processing subsystem (40) may be hosted on a server.
  • the server may include a cloud server.
  • the server may include a local server.
  • the processing subsystem (40) is configured to execute on a network (not shown in FIG. 1) to control bidirectional communications among a plurality of modules.
  • the network may include a wired network such as a local area network (LAN).
  • the network may include a wireless network such as wireless fidelity (Wi-Fi), Bluetooth, Zigbee, near field communication (NFC), infrared communication, or the like.
  • the processing subsystem (40) may be hosted on a mobile device.
  • the mobile device may include a mobile phone, a tablet, a laptop, or the like.
  • the system (10) may be tested to check for proper functioning of the system (10) by a supplier, a manufacturer, or the like.
  • the processing subsystem (40) may be hosted on a vehicle electronic control unit.
  • the vehicle electronic control unit may correspond to an electronic control unit (ECU).
  • ECU electronice control unit
  • the term “electronic control unit” refers to a small device inside of a vehicle that is responsible for controlling a specific function associated with the vehicle.
  • the ECU basically, receives one or more inputs from one or more parts of the vehicle, depending on the specific function. Then, the ECU would communicate with one or more actuators to perform one or more actions based on the one or more inputs.
  • the processing subsystem (40) may be hosted on the one or more loT devices.
  • the one or more loT devices may include smart mobile phones, smart remote-control devices, smart sensors, smartwatches, or the like.
  • the clutch control unit (20) may be a wireless device, wherein the clutch control unit (20) may be communicatively coupled to the processing subsystem (40) via a wireless medium.
  • the wireless medium may be air which uses electromagnetic signals such as radio frequency signals, microwave signals, or the like for transmission of data between the clutch control unit (20) and the processing subsystem (40).
  • the data here may refer to the one or more parameters received by the clutch control unit (20).
  • the predefined transmission mechanism may correspond to a mechanism that uses the electromagnetic signals for the transmission of data.
  • the clutch control unit (20) may have a predefined circuitry, wherein the predefined circuitry may be designed for converting a form of the one or more parameters to the electromagnetic signals. Further, the corresponding electromagnetic signals may be transmitted to the processing subsystem (40) using the predefined transmission mechanism.
  • the processing subsystem (40) may have to analyze and respond accordingly. Therefore, the processing subsystem (40) includes a trigger generation module (50).
  • the trigger generation module (50) is configured to receive the one or more parameters from the clutch control unit (20) upon registration.
  • a user may be able to monitor, and control an operation of the clutch control unit (20) via the processing subsystem (40) upon registration with the system (10). Therefore, the processing subsystem (40) may include a registration module operatively coupled to the trigger generation module (50).
  • the registration module may be configured to register the user with the system (10) upon receiving a plurality of user details via a user device.
  • the plurality of user details may include at least one of a username, contact details, a location of the user device, and the like.
  • the plurality of user details may be stored in a database, wherein the database may be a local database or a cloud database.
  • the user device may correspond to the mobile device.
  • the one or more parameters may also be stored in the database.
  • the trigger generation module (50) is also configured to identify a deviation in the one or more parameters by comparing a value of the corresponding one or more parameters with a corresponding preferred value based on predefined criteria.
  • the predefined criteria may include one or more conditions associated with the one or more parameters.
  • the one or more conditions may include increasing a rotational speed associated with the clutch (30) when a current speed value of the corresponding rotational speed may be less than a preferred speed value.
  • the one or more conditions may include decreasing the rotational speed associated with the clutch (30) when the current speed value of the corresponding rotational speed may be greater than the preferred speed value.
  • the trigger generation module (50) is also configured to generate a trigger signal corresponding to controlling of the clutch operation upon identification of the corresponding deviation.
  • the processing subsystem (40) also includes a controlling module (60) operatively coupled to the trigger generation module (50). The controlling module (60) is configured to generate a control signal corresponding to an indication for setting the corresponding one or more parameters to the corresponding preferred value, upon receiving the trigger signal.
  • the control signal may correspond to a pulse width modulation (PWM) signal.
  • PWM pulse width modulation
  • the term “pulse width modulation” refers to a modulation technique that uses a rectangular pulse wave whose pulse width is modulated resulting in a variation of an average value of the waveform. Therefore, in one exemplary embodiment, the PWM signal may be used to control the rotational speed associated with the clutch (30). Based on a pulse width of the PWM signal, the rotational speed associated with the clutch (30) may be varied. Therefore, the PWM signal may be generated for setting the corresponding one or more parameters to the corresponding preferred value.
  • the control signal is transmitted to the clutch control unit (20) using the predefined transmission mechanism.
  • the control signal may be converted to the electromagnetic signals to enable the transmission from the processing subsystem (40) to the clutch control unit (20) via the controlling module (60).
  • the clutch control unit (20) is configured to control the clutch operation by setting the corresponding one or more parameters to the corresponding preferred value using a predefined controlling mechanism, upon receiving the control signal.
  • the predefined controlling mechanism may correspond to a mechanism of converting the electromagnetic signals received back to the PWM signal so that the PWM signal can be transmitted to the clutch (30) for controlling the corresponding one or more parameters.
  • the clutch control unit (20) may include a microcontroller unit and a radio frequency (RF) module.
  • the microcontroller unit may be adapted to convert the electromagnetic signals such as RF signals to PWM signals
  • the RF module may be adapted to convert the PWM signals to the electromagnetic signals such as the RF signals.
  • the system (10) also includes a power management unit (70) operatively coupled to the clutch control unit (20).
  • the power management unit (70) is configured to generate an electrical energy from the clutch operation using an electrical energy generation mechanism, by operatively coupling an electrical energy generation unit with a shaft of the clutch (30).
  • the power management unit (70) is also configured to detect a drop in an energy storage associated with a power supply unit (80) using a predefined energy measurement mechanism upon generating the electrical energy.
  • the power management unit (70) is also configured to recharge the power supply unit (80) by supplying the corresponding electrical energy to the corresponding power supply unit (80), upon detecting the drop in the energy storage for controlling the clutch operation.
  • FIG. 2 is a schematic representation of an exemplary embodiment of the power management unit (70) operatively coupled to the clutch control unit (20) of the system (10) of FIG. 1 in accordance with an embodiment of the present disclosure.
  • the clutch operation may be a rotational operation.
  • the operative coupling between the electrical energy generation unit (90) with the shaft (100) may correspond to electromagnetic coupling. Therefore, in an embodiment, the electrical energy generation unit (90) may include an electromagnet assembly (110).
  • the electromagnet assembly (110) may include a rotor body (not shown in FIG. 2) being directly coupled to the shaft (100) and a stator assembly (120) positioned surrounding the rotator assembly.
  • the rotor body may be composed of metal.
  • stator assembly (120) may include a stator body (130) and one or more permanent magnets (not shown in FIG. 2) placed on an inner surface of the stator body (130) in a predefined manner. Upon rotation of the shaft (100), an interaction between the rotor body and the stator assembly (120) may generate the electrical energy.
  • the clutch control unit (20) may be electrically coupled to the power supply unit (80).
  • the power supply unit (80) is adapted to supply power for an operation to the clutch control unit (20).
  • the electrical energy generated may be supplied to the power supply unit (80).
  • the power supply unit (80) may include a battery, wherein the battery may be a rechargeable battery.
  • the rechargeable battery may be a rechargeable lithium-ion battery.
  • the energy capacity of the rechargeable battery may correspond to about 12 volts (V) to about 24 V.
  • the power management unit (70) detects the drop in the energy storage associated with the power supply unit (80) using the predefined energy measurement mechanism upon generating the electrical energy.
  • the predefined energy measurement mechanism may correspond to a mechanism that uses a circuitry having at least one of one or more capacitors, one or more resistors, one or more voltage regulators, one or more switches, and the like to measure the energy storage or any variation in the energy storage of the power supply unit (80).
  • the circuitry may be referred to as a cut-in and cut-off circuit, as the corresponding circuitry decides on whether charging is required or not based on energy storage in the power supply unit (80).
  • the power management unit (70) recharges the power supply unit (80) by supplying the corresponding electrical energy to the corresponding power supply unit (80), upon detecting the drop in the energy storage for controlling the clutch operation.
  • FIG. 3 is a schematic representation of a viscous clutch fan system (140) depicting an application of the system (10) for controlling the clutch operation of FIG. 1 in accordance with an embodiment of the present disclosure.
  • the viscous clutch fan system (140) includes the viscous clutch (150).
  • the viscous clutch (150) includes the shaft (100) adapted to rotate about an axis of rotation upon an operation of the viscous clutch (150).
  • the viscous clutch (150) also includes a driving part (160) arranged rotatably on the shaft (100). Further, the viscous clutch (150) also includes a viscous coupling chamber (165) positioned adjacent to the driving part (160).
  • the viscous clutch (150) also includes a driven part (170) operatively coupled to the shaft (100) via the viscous coupling chamber (165).
  • the driven part (170) includes a cooling fan (190).
  • the cooling fan (190) is adapted to rotate at a predefined rotational speed based on the predefined criteria upon engagement or disengagement between the driving part (160) and the driven part (170).
  • the viscous coupling chamber (165) may receive a viscous fluid during the engagement between the driving part (160) and the driven part (170), thereby enabling the cooling fan (190) to rotate.
  • the viscous coupling chamber (165) may eject the viscous fluid out of the viscous coupling chamber (165) during the disengagement between the driving part (160) and the driven part (170), thereby stopping the cooling fan (190) from rotating.
  • the viscous fluid may include oil.
  • the viscous clutch fan system (140) also includes the clutch control unit (20) operatively coupled to the viscous clutch (150) of the vehicle via the driving part (160).
  • the clutch control unit (20) is configured to receive the one or more parameters sensed via the one or more sensors during the operation of the vehicle.
  • the clutch control unit (20) is also configured to transmit the corresponding one or more parameters to the processing subsystem (40) using the predefined transmission mechanism.
  • the processing subsystem (40) is configured to execute on the network to control bidirectional communications among the plurality of modules.
  • the processing subsystem (40) includes the trigger generation module (50).
  • the trigger generation module (50) is configured to receive the one or more parameters from the clutch control unit (20) upon registration. Therefore, the processing subsystem (40) also includes the registration module (200) operatively coupled to the trigger generation module (50).
  • the registration module (200) may be configured to register the user (210) with the system (10) upon receiving the plurality of user details via the user device (220). The plurality of user details and the one or more parameters may be stored in the database (230).
  • the trigger generation module (50) is also configured to identify the deviation in the one or more parameters by comparing the value of the corresponding one or more parameters with the corresponding preferred value based on the predefined criteria. Further, the trigger generation module (50) is also configured to generate the trigger signal corresponding to controlling of the clutch operation upon identification of the corresponding deviation.
  • the processing subsystem (40) also includes the controlling module (60) operatively coupled to the trigger generation module (50).
  • the controlling module (60) is configured to generate the control signal corresponding to the indication for setting the corresponding one or more parameters to the corresponding preferred value, upon receiving the trigger signal.
  • the control signal is transmitted to the clutch control unit (20) using the predefined transmission mechanism.
  • the clutch control unit (20) is configured to control the clutch operation by setting the corresponding one or more parameters to the corresponding preferred value using the predefined controlling mechanism, upon receiving the control signal.
  • the viscous clutch fan system (140) also includes the power management unit (70) operatively coupled to the clutch control unit (20).
  • the power management unit (70) is configured to generate the electrical energy from the clutch operation using the electrical energy generation mechanism, by operatively coupling the electrical energy generation unit (90) with the shaft (100) of the viscous clutch (150).
  • the power management unit (70) is also configured to detect the drop in the energy storage associated with the power supply unit (80) using the predefined energy measurement mechanism upon generating the electrical energy.
  • the power supply unit (80) is adapted to supply power for the operation to the clutch control unit (20). Further, the power management unit (70) is also configured to recharge the power supply unit (80) by supplying the corresponding electrical energy to the corresponding power supply unit (80), upon detecting the drop in the energy storage for controlling the clutch operation.
  • FIG. 4 is a schematic representation of a vehicle system (240) depicting an application of the viscous clutch fan system (140) of FIG. 3 in accordance with an embodiment of the present disclosure.
  • the vehicle system (240) includes a chassis.
  • the chassis is configured to provide a structure to a vehicle (250).
  • the vehicle (250) may be a two-wheeled vehicle, a four-wheeled vehicle, or the like. More specifically, in one exemplary embodiment, the vehicle (250) may include car, truck, bus, or the like.
  • the vehicle system (240) also includes an engine operatively coupled to the chassis. The engine is configured to power the vehicle (250) to enable an operation of the vehicle (250).
  • the vehicle system (240) also includes the viscous clutch fan system (140) operatively coupled to the engine.
  • the viscous clutch fan system (140) is adapted to control temperature of the engine based on the predefined criteria during the operation of the vehicle (250).
  • the viscous clutch fan system (140) includes the viscous clutch (150).
  • the viscous clutch (150) includes the shaft (100) adapted to rotate about the axis of rotation upon the operation of the viscous clutch (150).
  • the viscous clutch (150) also includes the driving part (160) arranged rotatably on the shaft (100). Further, the viscous clutch (150) also includes the viscous coupling chamber (165) positioned adjacent to the driving part (160).
  • the viscous clutch (150) also includes the driven part (170) operatively coupled to the shaft (100) via the viscous coupling chamber (165).
  • the driven part (170) includes the cooling fan (190).
  • the cooling fan (190) is adapted to rotate at the predefined rotational speed based on the predefined criteria upon engagement or disengagement between the driving part (160) and the driven part (170).
  • the viscous clutch fan system (140) also includes the clutch control unit (20) operatively coupled to the viscous clutch (150) of the vehicle (250) via the driving part (160).
  • the clutch control unit (20) is configured to receive the one or more parameters sensed via the one or more sensors during the operation of the vehicle (250).
  • the clutch control unit (20) is also configured to transmit the corresponding one or more parameters to the processing subsystem (40) using the predefined transmission mechanism.
  • the processing subsystem (40) is configured to execute on the network to control bidirectional communications among the plurality of modules.
  • the processing subsystem (40) includes the trigger generation module (50).
  • the trigger generation module (50) is configured to receive the one or more parameters from the clutch control unit (20) upon registration. Therefore, the processing subsystem (40) also includes the registration module (200) operatively coupled to the trigger generation module (50).
  • the registration module (200) may be configured to register the user (210) with the system (10) upon receiving the plurality of user details via the user device (220). The plurality of user details and the one or more parameters may be stored in the database (230).
  • the trigger generation module (50) is also configured to identify the deviation in the one or more parameters by comparing the value of the corresponding one or more parameters with the corresponding preferred value based on the predefined criteria. Further, the trigger generation module (50) is also configured to generate the trigger signal corresponding to controlling of the clutch operation upon identification of the corresponding deviation.
  • the processing subsystem (40) also includes the controlling module (60) operatively coupled to the trigger generation module (50).
  • the controlling module (60) is configured to generate the control signal corresponding to an indication for setting the corresponding one or more parameters to the corresponding preferred value, upon receiving the trigger signal.
  • the control signal is transmitted to the clutch control unit (20) using the predefined transmission mechanism.
  • the clutch control unit (20) is configured to control the clutch operation by setting the corresponding one or more parameters to the corresponding preferred value using the predefined controlling mechanism, upon receiving the control signal.
  • the viscous clutch fan system (140) also includes the power management unit (70) operatively coupled to the clutch control unit (20).
  • the power management unit (70) is configured to generate the electrical energy from the clutch operation using the electrical energy generation mechanism, by operatively coupling the electrical energy generation unit (90) with the shaft (100) of the viscous clutch (150).
  • the power management unit (70) is also configured to detect the drop in the energy storage associated with the power supply unit (80) using the predefined energy measurement mechanism upon generating the electrical energy.
  • the power supply unit (80) is adapted to supply power for the operation to the clutch control unit (20). Further, the power management unit (70) is also configured to recharge the power supply unit (80) by supplying the corresponding electrical energy to the corresponding power supply unit (80), upon detecting the drop in the energy storage for controlling the clutch operation.
  • FIG. 5 is a block diagram of a clutch operation control computer or a clutch operation control server (260) in accordance with an embodiment of the present disclosure.
  • the clutch operation control server (260) includes processor(s) (270), and memory (280) operatively coupled to a bus (290).
  • the processor(s) (270), as used herein, means any type of computational circuit, such as, but not limited to, a microprocessor, a microcontroller, a complex instruction set computing microprocessor, a reduced instruction set computing microprocessor, a very long instruction word microprocessor, an explicitly parallel instruction computing microprocessor, a digital signal processor, or any other type of processing circuit, or a combination thereof.
  • Computer memory elements may include any suitable memory device(s) for storing data and executable program, such as read only memory, random access memory, erasable programmable read only memory, electrically erasable programmable read only memory, hard drive, removable media drive for handling memory cards and the like.
  • Embodiments of the present subject matter may be implemented in conjunction with program modules, including functions, procedures, data structures, and application programs, for performing tasks, or defining abstract data types or low-level hardware contexts.
  • Executable program stored on any of the above-mentioned storage media may be executable by the processor(s) (270).
  • the memory (280) includes a plurality of subsystems stored in the form of executable program which instructs the processor(s) (270) to perform method steps illustrated in FIG. 6 (a) and FIG. 6 (b).
  • the memory (280) includes a processing subsystem (40) of FIG 1.
  • the processing subsystem (40) further has following modules: a trigger generation module (50) and a controlling module (60).
  • the trigger generation module (50) is configured to receive the one or more parameters from the clutch control unit (20) upon registration.
  • the trigger generation module (50) is also configured to identify a deviation in the one or more parameters by comparing a value of the corresponding one or more parameters with a corresponding preferred value based on predefined criteria.
  • the trigger generation module (50) is also configured to generate a trigger signal corresponding to controlling of the clutch operation upon identification of the corresponding deviation.
  • the controlling module (60) is configured to generate a control signal corresponding to an indication for setting the corresponding one or more parameters to the corresponding preferred value, upon receiving the trigger signal.
  • the control signal is transmitted to the clutch control unit (20) using the predefined transmission mechanism.
  • FIG. 6 (a) is a flow chart representing steps involved in a method (310) for controlling a clutch operation in accordance with an embodiment of the present disclosure.
  • FIG. 6 (b) is a flow chart representing continued steps involved in the method (310) of FIG. 6 (a) in accordance with an embodiment of the present disclosure.
  • the method (310) includes receiving one or more parameters sensed via one or more sensors during an operation of a vehicle in step 320.
  • receiving the one or more parameters may include receiving the one or more parameters via a clutch control unit (20).
  • receiving the one or more parameters may include receiving the one or more parameters including at least one of one or more clutch parameters, one or more vehicle parameters, and the like.
  • the method (310) also includes transmitting the corresponding one or more parameters to a processing subsystem using a predefined transmission mechanism in step 330.
  • transmitting the corresponding one or more parameters may include transmitting the corresponding one or more parameters via the clutch control unit (20).
  • the method (310) includes receiving the one or more parameters from the clutch control unit (20) upon registration in step 340.
  • receiving the one or more parameters may include receiving the one or more parameters via a trigger generation module (50) of the processing subsystem.
  • the method (310) also includes identifying a deviation in the one or more parameters by comparing a value of the corresponding one or more parameters with a corresponding preferred value based on predefined criteria in step 350.
  • identifying the deviation may include identifying the deviation via the trigger generation module (50) of the processing subsystem.
  • the method (310) also includes generating a trigger signal corresponding to controlling of the clutch operation upon identification of the corresponding deviation in step 360.
  • generating the trigger signal ma include generating the trigger signal via the trigger generation module (50) of the processing subsystem.
  • the method (310) also includes generating a control signal corresponding to an indication for setting the corresponding one or more parameters to the corresponding preferred value, upon receiving the trigger signal in step 370.
  • generating the control signal may include generating the control signal via a controlling module (60) of the processing subsystem.
  • the method (310) also includes transmitting the control signal to the clutch control unit using the predefined transmission mechanism in step 380.
  • controlling the clutch operation also includes controlling the clutch operation by setting the corresponding one or more parameters to the corresponding preferred value using a predefined controlling mechanism, upon receiving the control signal in step 390.
  • controlling the clutch operation may include controlling the clutch operation via the clutch control unit (20).
  • the method (310) also includes generating an electrical energy from the clutch operation using an electrical energy generation mechanism, by operatively coupling an electrical energy generation unit with a shaft of the clutch in step 400.
  • generating the electrical energy may include generating the electrical energy via a power management unit (70).
  • the method (310) also includes detecting a drop in an energy storage associated with a power supply unit using a predefined energy measurement mechanism upon generating the electrical energy, wherein the power supply unit is adapted to supply power for an operation to the clutch control unit in step 410.
  • detecting the drop in the energy storage may include detecting the drop in the energy storage via the power management unit (70).
  • the method (310) also includes recharging the power supply unit by supplying the corresponding electrical energy to the corresponding power supply unit, upon detecting the drop in the energy storage for controlling the clutch operation in step 420.
  • recharging the power supply unit may include recharging the power supply unit via the power management unit (70).
  • Various embodiments of the present disclosure enable the system to control the clutch operation wirelessly and remotely, thereby maintaining a continuous connection between the clutch and the clutch control unit, so that the clutch can be controlled continuously.
  • the viscous clutch fan system enables a cooling system of the vehicle to perform efficiently as a cooling effect can be regulated based on the temperature of the engine of the vehicle because of the corresponding continuous connection. Further, the vehicle having the viscous clutch fan system becomes more stable and advanced as there is continuous regulation of the cooling system happening via the clutch control unit of the viscous clutch fan system.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)

Abstract

L'invention concerne un système de commande d'une opération d'embrayage. Le système comprend une unité de commande d'embrayage (20) qui reçoit et transmet le ou les paramètres à un sous-système de traitement qui inclut un module de génération de déclencheur (50) qui reçoit le ou les paramètres, identifie un écart dans le ou les paramètres et génère un signal de déclencheur. Le sous-système de traitement inclut également un module de commande (60) qui génère un signal de commande lors de la réception du signal de déclencheur. L'unité de commande d'embrayage (20) commande l'opération d'embrayage lors de la réception du signal de commande. Le système comprend également une unité de gestion électrique (70) qui génère une énergie électrique à partir de l'opération d'embrayage, détecte une chute dans un stockage d'énergie associé à une unité d'alimentation électrique lors de la génération de l'énergie électrique, fournit de l'énergie pour une opération à l'unité de commande d'embrayage (20) et recharge l'unité d'alimentation électrique en fournissant l'énergie électrique correspondante à l'unité d'alimentation électrique correspondante, pour commander l'opération d'embrayage.
PCT/IB2022/060810 2022-02-23 2022-11-10 Système et procédé de commande d'une opération d'embrayage WO2023161696A1 (fr)

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IN202221009703 2022-02-23
IN202221009703 2022-02-23

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5632706A (en) * 1993-08-03 1997-05-27 Luk Getriebe-Systeme Gmbh Motor vehicle with electronic clutch management system
US20090171523A1 (en) * 2007-12-27 2009-07-02 Byd Co. Ltd. Hybrid Vehicle Having Multi-Mode Controller
US20130184950A1 (en) * 2010-09-13 2013-07-18 Carraro Drive Tech S.P.A. Control System and Method for the Transmission of a Vehicle
CN203230490U (zh) * 2013-05-17 2013-10-09 雪龙集团股份有限公司 节能型自控风扇硅油离合器

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5632706A (en) * 1993-08-03 1997-05-27 Luk Getriebe-Systeme Gmbh Motor vehicle with electronic clutch management system
US20090171523A1 (en) * 2007-12-27 2009-07-02 Byd Co. Ltd. Hybrid Vehicle Having Multi-Mode Controller
US20130184950A1 (en) * 2010-09-13 2013-07-18 Carraro Drive Tech S.P.A. Control System and Method for the Transmission of a Vehicle
CN203230490U (zh) * 2013-05-17 2013-10-09 雪龙集团股份有限公司 节能型自控风扇硅油离合器

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