WO2012086958A2 - 4륜 구동차량의 제어 장치 - Google Patents
4륜 구동차량의 제어 장치 Download PDFInfo
- Publication number
- WO2012086958A2 WO2012086958A2 PCT/KR2011/009600 KR2011009600W WO2012086958A2 WO 2012086958 A2 WO2012086958 A2 WO 2012086958A2 KR 2011009600 W KR2011009600 W KR 2011009600W WO 2012086958 A2 WO2012086958 A2 WO 2012086958A2
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- WIPO (PCT)
- Prior art keywords
- wheel
- tire
- air pressure
- wheel drive
- vehicle
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- 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.)
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Classifications
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- 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/348—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed
- B60K17/35—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches
- B60K17/3505—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches with self-actuated means, e.g. by difference of 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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/12—Conjoint control of vehicle sub-units of different type or different function including control of differentials
-
- 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
-
- 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
-
- 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
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/348—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed
- B60K17/35—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having differential means for driving one set of wheels, e.g. the front, at one speed and the other set, e.g. the rear, at a different speed including arrangements for suppressing or influencing the power transfer, e.g. viscous clutches
-
- 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
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
-
- 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
- B60W10/119—Conjoint control of vehicle sub-units of different type or different function including control of all-wheel-driveline means, e.g. transfer gears or clutches for dividing torque between front and rear axle
-
- 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
- B60W50/02—Ensuring safety in case of control system failures, e.g. by diagnosing, circumventing or fixing failures
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D29/00—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto
- F02D29/02—Controlling engines, such controlling being peculiar to the devices driven thereby, the devices being other than parts or accessories essential to engine operation, e.g. controlling of engines by signals external thereto peculiar to engines driving vehicles; peculiar to engines driving variable pitch propellers
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P15/00—Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration
-
- 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
- B60K23/00—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for
- B60K23/08—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles
- B60K23/0808—Arrangement or mounting of control devices for vehicle transmissions, or parts thereof, not otherwise provided for for changing number of driven wheels, for switching from driving one axle to driving two or more axles for varying torque distribution between driven axles, e.g. by transfer clutch
-
- 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
- B60W2720/00—Output or target parameters relating to overall vehicle dynamics
- B60W2720/40—Torque distribution
- B60W2720/403—Torque distribution between front and rear axle
-
- 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
- B60W2720/00—Output or target parameters relating to overall vehicle dynamics
- B60W2720/40—Torque distribution
- B60W2720/406—Torque distribution between left and right wheel
Definitions
- the present invention relates to a control device for a four-wheel drive vehicle, and more particularly, based on the actual rotation speed of the tire and the rotation speed of the tire with respect to the rotation speed of the tire of the hall sensor, the driving force of the front wheel and the rear wheel of the four-wheel vehicle.
- a control device for a four-wheel drive vehicle that can be distributed.
- the vehicle may be classified into a two-wheeled vehicle and a four-wheeled vehicle according to a method of transmitting power generated from an engine of the vehicle to the driving wheel.
- the two-wheel drive vehicle is classified into a front engine rear drive (FR) type and a front engine front drive (FF) type according to the position of the driving wheel that exerts the actual driving force, that is, the rear wheel or the front wheel.
- FR front engine rear drive
- FF front engine front drive
- the four-wheel drive vehicle transmits the power generated by the engine of the vehicle to both the front wheel and the rear wheel to drive all the vehicles, thereby ensuring stability of the vehicle while driving on wet rain roads, snow roads, or ice roads. It is a way to improve the driving performance of the vehicle on the same off-road.
- the transfer case control unit which is responsible for distributing the driving force of the four wheels in the full-time four-wheel drive system, has a difference in the rotation of each wheel caused by cornering or slippage of the road during driving. Since it is not possible to distinguish the wheels of each wheel caused by the inflation pressure of each tire, even if the wheels of wheels are caused by different air pressure of each tire, it is always regarded as a wheel by cornering or road condition, and the four wheel drive There is a problem with executing the control.
- an object of the present invention is to provide a vehicle according to the turning wheel and cornering or road state of each wheel generated by the air pressure of each tire when driving control of a four-wheel drive vehicle. It is to provide a control device for a four-wheel drive vehicle that can prevent the malfunction during shifting of the four-wheel vehicle by allocating the front and rear wheel driving force according to the generated wheel difference.
- the control device for a four-wheel drive vehicle for achieving the above object, the transmission portion for receiving the driving force from the engine, and outputs the drive force shifted through a predetermined gear stage set in accordance with the adjustment state of the solenoid valve And a transfer case part configured to selectively provide one of a rear wheel drive shaft for driving the rear wheels of the vehicle and a front wheel drive shaft for driving the front wheels of the vehicle through operation of a built-in motor by receiving the shifted driving force from the transmission part.
- Tire pressure detection unit mounted on each tire of the tire to detect the tire pressure and tire pressure provided from the tire pressure detection unit calculates the number of revolutions of the wheel and compare it with the actual number of revolutions of the wheel Determine the occurrence of the wheel and the wheel on the wheel in relation to the tire pressure It characterized in that it comprises an electronic control unit for outputting a control signal for controlling the operation of the transfer case for performing the distribution of the shifted driving force so as to cancel the generated difference in rotation.
- the electronic control unit communicates with the tire pressure monitor control unit (TPMS) and the tire pressure monitor control unit which receive the measurement value of the tire air pressure from the tire pressure sensing unit and the tire for each wheel.
- TPMS tire pressure monitor control unit
- a transfer case control unit which receives a measurement value of the air pressure and determines the occurrence of a rotation difference with respect to the tire in relation to the tire air pressure and then outputs a control signal for controlling the operation of the transfer case by reflecting the determination result;
- TCCU Transfer Case Control Unit
- the electronic controller outputs a control signal for controlling the operation of the transfer case for distributing the shifted driving force so as to cancel the rotation difference generated when the rotation difference generated on the wheel is greater than or equal to a predetermined threshold. It features.
- the electronic control unit is characterized in that by calculating the tire radius of the wheel through the measured value of the tire inflation pressure provided from the tire pressure sensing unit and calculates the number of revolutions of the wheel using the calculated copper radius. .
- control device of the four-wheel drive vehicle further comprises a wheel sensor unit on one side of each wheel to determine the actual rotation speed.
- the tire pressure detection unit is characterized in that for transmitting the measured value of the tire air pressure wirelessly to the electronic control unit.
- the tire pressure sensing unit includes a tire pressure sensor mounted inside the tire to measure tire air pressure and a wireless communication module for wirelessly transmitting a measured value of the tire air pressure to the electronic controller. .
- the wheels of the wheels in which the air pressure of each tire is different when the wheel drive vehicle is controlled four-wheel drive in full time that is, always
- the wheels of each wheel due to cornering or road surface conditions By distributing the driving force to the four wheels with the corresponding corrections, the four wheel drive is controlled by determining the rotation difference of each wheel due to cornering or road condition even in the case of the wheel difference of each wheel caused by different air pressure of each tire. There is an advantage that can prevent the malfunction.
- FIG. 1 is a view showing an embodiment of a control device for a four-wheel drive vehicle according to the present invention
- FIG. 2 is a diagram illustrating a signal transmission between the tire pressure sensing unit and the electronic controller illustrated in FIG. 1 according to one embodiment
- FIG. 3 is a diagram illustrating an operation process of the control apparatus of the four-wheel drive vehicle illustrated in FIG. 1 according to one embodiment.
- FIG. 1 is a view showing an embodiment of a control device 100 of a four-wheel drive vehicle according to the present invention.
- the control device 100 of a four-wheel drive vehicle generates an angle in which the air pressure of each tire is different when the four-wheel drive vehicle controls the four-wheel drive in full time (that is, at all times).
- the control device 100 of a four-wheel drive vehicle In the case of a wheel wheel, it is equipped with a configuration for allocating the driving force to the four wheels to accurately determine this and to correct the wheel wheel of each wheel.
- control device 100 of the four-wheel drive vehicle is a four-wheel drive control that is modeled only in the case of the generation of the wheels of each wheel due to cornering or road surface conditions, the wheels of each wheel generated by the air pressure of each tire is different Four wheel drive control is added to compensate for more driving conditions.
- the control apparatus 100 of the four-wheel drive vehicle receives and receives the driving force from the engine after the engine is started to execute the four-wheel drive control for correcting the rotation difference of each wheel generated by the air pressure of each tire is different.
- a transmission unit 110 shifting and outputting a driving force from the engine through a predetermined gear stage set according to the adjustment state of the solenoid valve;
- Transfer case unit 120 to selectively provide to the rear wheel drive shaft for driving the rear wheels of the vehicle and the front wheel drive shaft for driving the front wheels of the vehicle through the operation of the built-in motor after receiving the transmission force transmitted from the transmission unit 110,
- the tire pressure detection unit 130 mounted on each tire of the vehicle to measure tire air pressure, and the tire air pressure measurement value provided from the tire pressure detection unit 130, the number of revolutions of the corresponding wheel is calculated, and then the actual speed is calculated.
- An electronic control unit 140 for outputting a control signal for controlling the operation of the transfer case.
- the electronic controller 140 receives a measurement value for the tire air pressure from the tire pressure sensor 130 and monitors the tire pressure monitor system (TPMS) and the tire pressure monitor control unit (TPMS). ; Can communicate with Tire Pressure Monitor System) and receive tire air pressure measurement value for each tire, and determine whether there is a turning wheel on the wheel in relation to tire air pressure based on the measured value.
- TPMS tire pressure monitor system
- TPMS tire pressure monitor control unit
- TCCU transfer case control unit
- the transfer case control unit performs a CAN communication with a tire pressure monitor system (TPMS) in a transfer case control unit (TCCU) to receive and provide a measured value of tire air pressure for each tire.
- TPMS tire pressure monitor system
- TCCU transfer case control unit
- the transfer case control unit does not execute the operation control of the transfer case for correcting the difference, unless the rotation difference of the corresponding wheel caused by the tire air pressure is greater than or equal to a predetermined threshold.
- the specific configuration for determining the difference in rotation of the wheel due to the tire air pressure in the transfer case control unit (TCCU), the measured value of the tire air pressure from the tire pressure monitor control unit (TPMS; Tire Pressure Monitor System) Calculate the dynamic radius of the wheel using this as the basic parameter, and calculate the number of revolutions of the wheel using the calculated dynamic radius of the wheel (that is, the speed proportional to the dynamic radius of the wheel at the reference speed). Since this modeling is applied, the number of revolutions proportional to the dynamic radius of the wheel can be obtained.
- control device 100 of the four-wheel drive vehicle obtains the rotation speed of the wheel in relation to the tire air pressure, and compares the actual rotation speed of the wheel with the resulting wheel, the wheel is derived as a result.
- the information on the actual rotational speed is preferably further comprising a wheel sensor on one side of each wheel.
- FIG. 2 is a diagram illustrating a signal transmission between the tire pressure sensing unit 130 and the electronic controller 140 shown in FIG. As shown by way of example only in FIG. 2, the tire pressure sensing unit 130 is capable of wirelessly transmitting the measured value of the tire air pressure to the electronic controller 140.
- the tire pressure detecting unit 130 is mounted on the inside of the tire and the tire pressure sensor for measuring the tire air pressure, and the tire air pressure measurement value received from the tire pressure sensor electronic control unit 140 (that is, TPMS; Tire) Pressure Monitor System) is configured to include a wireless communication module for wireless delivery.
- TPMS Tire Pressure Monitor System
- FIG. 3 is a diagram illustrating an operation process of the control device 100 of the four-wheel drive vehicle illustrated in FIG. 1. As shown by way of example only in Figure 3, the control method of the four-wheel drive vehicle proceeds to measure the air pressure for the tire in real time in the tire pressure sensing unit 130 mounted on each tire (S1).
- the tire pressure detecting unit 130 transmits the measured value of the measured tire air pressure to a tire pressure monitor control unit (TPMS; Tire Pressure Monitor System) (S3).
- TPMS Tire Pressure Monitor System
- the tire pressure monitor system transmits the measured value of the tire air pressure of each tire being monitored to the transfer case control unit (TCCU) through CAN communication. (S5).
- the transfer case control unit calculates a dynamic radius of each tire by using the measured value of the tire inflation pressure of each delivered tire (S7).
- step S7 By applying the dynamic radius of each tire calculated in step S7 to a predetermined modeling, the number of revolutions of each tire corresponding to the dynamic radius of each tire is calculated (S9).
- the transfer case control unit receives the actual rotational speed of each tire from the wheel sensor mounted on one side of each tire (S11), and the actual rotational speed and angle of each of the provided tires.
- the rotation speed of each tire corresponding to the same radius of the tire is compared and the difference is set as the rotation difference (S13).
- step S13 If the rotation difference of each tire obtained in step S13 is equal to or greater than a predetermined threshold value, the transfer case control unit (TCCU) determines that the rotation difference is generated by the tire air pressure and executes a process for correcting it. Control to distribute the driving force to the four wheels is executed to correct the rotation difference caused by the step (S17).
- step S13 If the difference in rotation of each tire is not more than a predetermined threshold in step S13, the transfer case control unit (TCCU) determines that the difference in tire rotation by cornering or ground conditions, the control to distribute the driving force to four wheels To execute (S19).
- the four-wheel drive vehicle when the four-wheel drive vehicle is controlled four-wheel drive in full time (that is, always), the wheels of each wheel due to cornering or road surface conditions in the case of the wheels of each wheel generated by different air pressure of each tire
- the degree that can be clearly implemented in reality is an invention that is industrially applicable.
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Automation & Control Theory (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
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- Arrangement And Driving Of Transmission Devices (AREA)
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Abstract
Description
Claims (7)
- 엔진으로부터 구동력을 전달받아, 솔레노이드 밸브의 조절 상태에 따라 설정된 소정의 기어단을 통해 변속된 구동력을 출력하는 변속부;상기 변속부로부터 상기 변속된 구동력을 전달받아, 내장된 모터의 조작을 통해 차량의 후륜을 구동시키는 후륜 구동축 및 상기 차량의 전륜을 구동시키는 전륜 구동축에 선택적으로 제공하는 트랜스퍼 케이스부;상기 차량의 각 타이어에 장착되어 타이어 공기압을 측정하는 타이어 압력감지부; 및상기 타이어 압력감지부로부터 제공되는 타이어 공기압의 측정값을 통해 해당 바퀴의 회전수를 계산한 후 이를 실제 회전수와 비교하여 해당 바퀴의 회전차 발생을 판정하며, 상기 타이어 공기압과 관련하여 해당 바퀴에 회전차가 발생하는 경우 발생한 회전차를 상쇄시키도록 상기 변속된 구동력의 배분을 실행하는 상기 트랜스퍼 케이스의 동작 제어를 위한 제어신호를 출력하는 전자제어부;를 포함하는 것을 특징으로 하는 4륜 구동차량의 제어 장치.
- 제1 항에 있어서,상기 전자제어부는 상기 타이어 압력감지부로부터 타이어 공기압의 측정값을 제공받는 타이어 압력 모니터 제어유닛(TPMS; Tire Pressure Monitor System) 및 상기 타이어 압력 모니터 제어유닛과 통신하여 각 바퀴에 대한 타이어 공기압의 측정값을 제공받아 이를 토대로 상기 타이어 공기압과 관련하여 해당 바퀴에 대한 회전차 발생을 판정한 후 이 판정결과를 반영하여 상기 트랜스퍼 케이스의 동작 제어를 위한 제어 신호를 출력하는 트랜스퍼 케이스 제어유닛(TCCU; Transfer Case Control Unit)을 포함하는 것을 특징으로 하는 4륜 구동차량의 제어 장치.
- 제1 항에 있어서,상기 전자제어부는, 상기 해당 바퀴에 발생한 회전차가 미리 정해진 임계치 이상이면 발생한 회전차를 상쇄시키도록 상기 변속된 구동력의 배분을 실행하는 상기 트랜스퍼 케이스의 동작 제어를 위한 제어신호를 출력하는 것을 특징으로 하는 4륜 구동차량의 제어 장치.
- 제1 항에 있어서,상기 전자제어부는 상기 타이어 압력감지부로부터 제공되는 타이어 공기압의 측정값을 통해 해당 바퀴의 동 반경을 계산하고 계산한 동 반경을 이용하여 해당 바퀴의 회전수를 계산하는 것을 특징으로 하는 4륜 구동차량의 제어 장치.
- 제1 항에 있어서,상기 4륜 구동차량의 제어 장치는, 상기 실제 회전수를 판단하기 위해 각 바퀴의 일 측에 휠 센서부;를 더 포함하는 것을 특징으로 하는 4륜 구동차량의 제어 장치.
- 제1 항에 있어서,상기 타이어 압력감지부는 상기 전자제어부에 무선으로 타이어 공기압의 측정값을 전달하는 것으로 특징으로 하는 4륜 구동차량의 제어 장치.
- 제6 항에 있어서,상기 타이어 압력감지부는 상기 타이어 내부에 장착되어 타이어 공기압을 측정하는 타이어 압력센서; 및상기 타이어 공기압의 측정값을 상기 전자제어부에 무선으로 전달하기 위한 무선통신 모듈;을 포함하는 것을 특징으로 하는 4륜 구동차량의 제어 장치.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US13/997,331 US8731794B2 (en) | 2010-12-22 | 2011-12-13 | Control system for four-wheel drive vehicle |
| DE112011104536T DE112011104536T5 (de) | 2010-12-22 | 2011-12-13 | Steuersystem für ein vierrädriges Fahrzeug |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2010-0132708 | 2010-12-22 | ||
| KR1020100132708A KR101627655B1 (ko) | 2010-12-22 | 2010-12-22 | 4륜 구동차량의 제어 장치 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| WO2012086958A2 true WO2012086958A2 (ko) | 2012-06-28 |
| WO2012086958A3 WO2012086958A3 (ko) | 2012-10-04 |
Family
ID=46314581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2011/009600 Ceased WO2012086958A2 (ko) | 2010-12-22 | 2011-12-13 | 4륜 구동차량의 제어 장치 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US8731794B2 (ko) |
| KR (1) | KR101627655B1 (ko) |
| DE (1) | DE112011104536T5 (ko) |
| WO (1) | WO2012086958A2 (ko) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101641433B1 (ko) * | 2014-12-11 | 2016-07-21 | 현대다이모스(주) | 구동륜 제어 방법 |
| DE112016001904T5 (de) * | 2015-05-28 | 2018-01-04 | Borgwarner Inc. | Abkuppeln vom Antriebsstrang bei Verwendung von mehrere Betriebsarten aufweisenden Kupplungen |
| KR20180061713A (ko) * | 2016-11-30 | 2018-06-08 | 쌍용자동차 주식회사 | 터레인 모드 스위치를 이용한 주행 제어장치 및 그 방법 |
| US10801469B2 (en) | 2017-11-07 | 2020-10-13 | General Electric Company | Wind blade joints with floating connectors |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3405052B2 (ja) * | 1996-03-21 | 2003-05-12 | 日産自動車株式会社 | 駆動力配分制御装置 |
| US5927426A (en) * | 1996-10-18 | 1999-07-27 | Itt Automotive Inc. | Traction control system for use with four wheel drive vehicles having on-demand transfer cases |
| US5979584A (en) * | 1997-07-25 | 1999-11-09 | Ford Global Technologies, Inc. | Four-wheel drive transfer case controller |
| US6615888B2 (en) * | 2001-10-15 | 2003-09-09 | Douglas B. Elkow | Variable-diameter wheel-and-tire apparatus for motor vehicles |
| JP2005256798A (ja) | 2004-03-15 | 2005-09-22 | Yokohama Rubber Co Ltd:The | トラクション・コントロール・システム及びそのセンサユニット |
| US20080065305A1 (en) | 2005-03-11 | 2008-03-13 | Yutaka Hattori | Traction Control System and Sensor Unit Thereof |
| JP4396661B2 (ja) * | 2006-05-26 | 2010-01-13 | 日産自動車株式会社 | ハイブリッド車両のクラッチ締結制御装置 |
| KR20080021336A (ko) * | 2006-09-04 | 2008-03-07 | 현대자동차주식회사 | 상시 사륜구동 차량의 트랜스퍼 제어방법 |
| US8725330B2 (en) * | 2010-06-02 | 2014-05-13 | Bryan Marc Failing | Increasing vehicle security |
-
2010
- 2010-12-22 KR KR1020100132708A patent/KR101627655B1/ko not_active Expired - Fee Related
-
2011
- 2011-12-13 DE DE112011104536T patent/DE112011104536T5/de not_active Ceased
- 2011-12-13 WO PCT/KR2011/009600 patent/WO2012086958A2/ko not_active Ceased
- 2011-12-13 US US13/997,331 patent/US8731794B2/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| KR101627655B1 (ko) | 2016-06-07 |
| US20130325276A1 (en) | 2013-12-05 |
| WO2012086958A3 (ko) | 2012-10-04 |
| DE112011104536T5 (de) | 2013-10-02 |
| US8731794B2 (en) | 2014-05-20 |
| KR20120071105A (ko) | 2012-07-02 |
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