CN102192312A - Control device of vehicle drive system - Google Patents
Control device of vehicle drive system Download PDFInfo
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- CN102192312A CN102192312A CN2011100494008A CN201110049400A CN102192312A CN 102192312 A CN102192312 A CN 102192312A CN 2011100494008 A CN2011100494008 A CN 2011100494008A CN 201110049400 A CN201110049400 A CN 201110049400A CN 102192312 A CN102192312 A CN 102192312A
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Abstract
The invention discloses a control device of a vehicle drive system, which executes bevel retaining control of maintaining a speed regulating machine (13) at a state of being switched into a specified transmission grade (like a first-speed gear) when an engine (11) is stopped automatically and maintaining a clutch (12) to be at a clamped state, thus maintaining a power transmitting system from the engine (11) to the wheels (16) at a connected state, so that rotation of the wheels (16) and downward slippage of the vehicle are prevented via friction of the engine (11) even the vehicle stops on a bevel when the engine (11) is automatically stopped, under the condition, automatic stop of the engine (11) is not prohibited, so the fuel cost increment effect caused by start control when the engine is automatically stopped can be ensured, and no brake hydraulic retaining device and the like for preventing downward slippage of the vehicle is not needed, so the control device of the vehicle drive system satisfies the demand of low cost.
Description
Technical field
The present invention relates to the invention of the control gear of driver for vehicle that the power of internal-combustion engine is transmitted to wheel side via clutch and variable-speed motor.
Background technique
In recent years, in the vehicle that is equipped with motor (internal-combustion engine), having with fuel cost saving, toxic emission minimizing etc. is that purpose adopts stop the automatically structure of control system (so-called idling stop control system) of motor.This motor control system that stops automatically for example makes vehicle parking and produces the driver motor is automatically stopped, then, when the driver wants to make the operation of vehicle start and produces automatic start request, motor is automatically restarted.
Adopting such motor to stop automatically in the vehicle of control system, automatically stopped and under the situation that vehicle stops in the ramp at motor, even have in the vehicle of the automatic speed variator of fluid torque converter for example in lift-launch, in motor stops, not climbing the power of moving yet, thus in the stopping automatically of motor during the treading in of loosen the brake pedal vehicle might glide.
As its countermeasure, for example just like record in the patent documentation 1 (TOHKEMY 2008-14193 communique) like that, the self-braking technology of under the hypsokinesis angle of vehicle is situation more than the predetermined angular, forbidding motor.In addition, also just like the structure that can then keep the brake fluid pressure retaining device of braking action when the back discharges that treads in of putting down in writing in the patent documentation 2 (TOHKEMY 2008-128132 communique) like that, being provided with at brake petal.
But, in the technology of above-mentioned patent documentation 1, owing under the hypsokinesis angle of vehicle is situation more than the predetermined angular, forbid stopping automatically of motor, so there is the problem of the fuel cost raising effect that the control that stops automatically (so-called idling stops control) of infringement motor brings.
In addition, in the technology of above-mentioned patent documentation 2, can then keep the brake fluid pressure retaining device of braking action owing to need be arranged on treading in when the back discharges of brake petal, so there is the problem of the requirement of the cost degradation that can not satisfy conduct important techniques problem in recent years.
Summary of the invention
So, satisfy the control gear of driver for vehicle of the requirement of cost degradation when problem to be solved by this invention provides a kind of downslide that can prevent vehicle in the stopping automatically of internal-combustion engine and can improve effect at the fuel cost that the control of guaranteeing to stop automatically brings.
In order to solve above-mentioned problem, the control gear of the driver for vehicle of the 1st example of the present invention, be applied to the power of internal-combustion engine via clutch and variable-speed motor in the vehicle that wheel side is transmitted, possess: speed Control portion, solenoidoperated cluthes and variable-speed motor and switch the speed change level of this variable-speed motor; And the control device that stops automatically, when taken place internal-combustion engine stop to ask automatically the time this internal-combustion engine is stopped automatically, this internal-combustion engine is started automatically.In the control gear of this driver for vehicle, made by speed Control portion and carried out the sloping road retentive control that variable-speed motor is maintained the state of the speed change level that switches to regulation and clutch is maintained fastening state when the stopping automatically of internal-combustion engine.
In this structure, by carrying out the sloping road retentive control that variable-speed motor is maintained the state of the speed change level (for example 1 fast gear) that switches to regulation and clutch is maintained the fastening state state of transferring power (can) when the stopping automatically of internal-combustion engine, power-transmission system from the internal-combustion engine to the wheel can be maintained the state of binding, even stopped automatically and under the situation that vehicle stops in the ramp at internal-combustion engine, the rotation (rotation of power-transmission system) that also can prevent wheel by the friction of internal-combustion engine prevents the downslide of vehicle.In the case, do not need to forbid stopping automatically of internal-combustion engine, so can guarantee to stop automatically the fuel cost raising effect that start-up control is brought.And then, do not need to be provided with the brake fluid pressure retaining device of the downslide that is used for preventing vehicle etc., so can satisfy requirement as the cost degradation of in recent years important technology problem.
For example, also can when the stopping automatically of internal-combustion engine, always carry out the retentive control of sloping road.But, also can be when the stopping automatically of internal-combustion engine and vehicle under situation about stopping on the ramp, carry out the retentive control of sloping road.In the case, can avoid unwanted the time, also carrying out the retentive control of sloping road.
And then, when the retentive control of sloping road, under the situation that also can under the situation about stopping on the descending variable-speed motor be maintained the state that switches to forward gear, on vehicle is going up a slope, is stopping variable-speed motor being maintained the state that switches to backward gear at vehicle.For example, if under the situation that under the situation about stopping on the descending variable-speed motor is being maintained the state that switches to 1 fast gear (low grade) at vehicle, on vehicle is going up a slope, is stopping variable-speed motor being maintained the state that switches to backward gear, then can be maintained the state that the gear ratio that makes variable-speed motor uprises, can maximally utilise the friction of internal-combustion engine and prevent the downslide of vehicle.In addition, even vehicle glides and internal-combustion engine or variable-speed motor rotation along the ramp, its sense of rotation also is normal sense of rotation, so can prevent internal-combustion engine or variable-speed motor damage.
When the retentive control of sloping road, also clutch can be maintained complete fastening state, if but clutch is maintained complete fastening state, then when the restarting of internal-combustion engine (when starting automatically), in that clutch is switched to separated state during with engine starting, elongated for clutch being switched to the time that separated state needs, the restarting property of internal-combustion engine might descend.
So, when the retentive control of sloping road, also clutch can be maintained the state between complete fastening state and half fastening state (being so-called half-clutch state) Yi Bian be at input side and outlet side the state that transmission of power is carried out in slip to take place on one side.If like this, then compare with the situation that clutch is maintained complete fastening state, when the restarting of internal-combustion engine (when starting automatically), in that clutch is switched to separated state during with engine starting, can shorten to clutch is switched to separated state and the time of needs, can improve the restarting property of internal-combustion engine.
And then, when the retentive control of sloping road, also can before the stopping of vehicle, under the state that clutch is switched to separated state, variable-speed motor be switched to interimly after the speed change level of low speed side, clutch is switched to fastening state.If like this, then can variable-speed motor be switched to interimly the speed change level of low speed side corresponding to the decline of the speed of a motor vehicle, even, can improve acceleration again so the stopping to be interrupted of vehicle and under the situation about quickening again also can quicken with the speed change level corresponding to the speed of a motor vehicle of this moment.
Description of drawings
Fig. 1 is the figure of schematic configuration of the driver for vehicle of expression one embodiment of the invention.
Fig. 2 is the time diagram that the speed Control when motor stops automatically being described.
Fig. 3 is the time diagram that the speed Control when motor is restarted is described.
Fig. 4 is the flow chart of flow process of the processing of the speed Control program of explanation motor when stopping automatically.
Fig. 5 is the flow chart of flow process of the processing of the speed Control program of explanation motor when restarting.
Embodiment
Below, explanation will be used for implementing the embodiment that embodiments of the present invention are specialized.
The schematic configuration of the drive system of vehicle at first, is described based on Fig. 1.
To pass to variable-speed motor 13 via clutch 12 as the power of the output shaft (crankshaft) of the motor 11 of internal-combustion engine, the power of the output shaft of this variable-speed motor 13 will be passed to wheel 16 via differential gear train 14 and axletree 15 etc.Clutch 12 both can be the clutch that switches the driven type of fastening state (power delivery status) and separated state (power cut state) by motor etc., also can be the clutch of oil pressure actuated.In addition, variable-speed motor 13 both can be the variable-speed motor by the driven type of switching speed change levels such as motor, also can be the variable-speed motor of oil pressure actuated.
In addition, the power rotation that is provided with by motor 11 drives and the alternator 17 of generating, and the generation power of this alternator 17 is supplied with to battery 18.On this battery 18, connecting and be used for the starter 19 of crank up (Network ラ Application キ Application グ) motor 11 and subsidiary engine 20 etc.
In addition, detect accelerator open degree (operation amount of gas pedal), detect brake operating by brake switch 22 by throttle sensor 21.And then, detect the speed of a motor vehicle by vehicle speed sensor 23, by the operating position of Gear-shift switch 24 detection shift levels, detect the gradient (gradient on road surface) of vehicles by Slope Transducer 25.The formations such as acceleration transducer that this Slope Transducer 25 is for example changed corresponding to the angle of inclination (fore-and-aft direction of vehicle and the relation of gravitational direction) of vehicle by output.
The output of throttle sensor 21, brake switch 22, IG switch 26 (ignition switch) etc. is imported in the Engine ECU 27, and the output of vehicle speed sensor 23, Gear-shift switch 24, Slope Transducer 25 etc. is imported among the AMT-ECU28 (speed Control portion).Engine ECU 27 and AMT-ECU28 send mutually and receive control signal and data-signal, by the running of Engine ECU 27 control motors 11, by AMT-ECU28 solenoidoperated cluthes 12 and variable-speed motor 13, switch the speed change level of variable-speed motor 13.
Engine ECU 27 is by carrying out the not shown motor control program that stops automatically, as carrying out stop the automatically control device performance function that stops automatically of control (so-called idling stops to control) of motor.In this motor stops control automatically, the driver carries out deceleration-operation (throttle full cut-off, brake operating etc.) and when deceleration request takes place or when making vehicle parking in the travelling of vehicle, be judged as and motor has taken place stop request automatically, the burning (fuel spray and/or igniting) of motor 11 is stopped and motor 11 is automatically stopped.Then, when the driver has carried out being used for the beamhouse operation (braking releasing, shift level operation etc.) of vehicle start or driveaway operation (throttle tread in etc.) when having removed deceleration request in the travelling of vehicle or in the parking at vehicle, be judged as the automatic start request of motor has taken place, motor 11 is automatically restarted.
In addition, the speed Control program when AMT-ECU28 stops automatically by the motor of carrying out Fig. 4 described later, solenoidoperated cluthes 12 and variable-speed motor 13 as follows when the stopping automatically of motor 11.Shown in the time diagram of Fig. 2, for example in the travelling of vehicle, do not drop to and taken place below the fixing speed K1 under the situation that motor stops to ask automatically by not quickening (throttle full cut-off) and the speed of a motor vehicle, at first, drop to the moment t1 lower in the speed of a motor vehicle than fixing speed K1, after clutch 12 switched to separated state from fastening state, variable-speed motor 13 is switched to interimly the speed change level of low speed side corresponding to the decline of the speed of a motor vehicle.For example, under the situation in travelling, the speed change level is switched with the order of the fast gear in 3 fast gear → 2 → 1 fast gear with 3 fast gears.Under the situation in 4 fast gears travel, the speed change level is switched with the order of the fast gear in 4 fast gear → 3 → 2 fast gears → 1 fast gear.
Then, at the moment t2 that vehicle stops, being judged as vehicle under situation about stopping on descending or smooth road (gradient be roughly 0 road surface), switch in speed change level under the state of forward gear (for example 1 fast gear) variable-speed motor 13, clutch 12 is switched to fastening state from separated state.Thus, the speed change level of carrying out variable-speed motor 13 is maintained state that switches to forward gear (for example 1 fast gear) and sloping road maintenance (the ヒ Le ホ one Le De) control that clutch 12 is maintained fastening state.
On the other hand, at the moment t2 that vehicle stops, be judged as vehicle under situation about stopping on the upward slope, after the speed change level of variable-speed motor 13 switched to backward gear from forward gear, clutch 12 is switched to fastening state from separated state, thus, the speed change level of carrying out variable-speed motor 13 is maintained state that switches to backward gear and the sloping road retentive control that clutch 12 is maintained fastening state.
Here, when the retentive control of sloping road, by clutch 12 being maintained complete fastening state and half fastening state (is so-called half-clutch state, be on one side to carry out the state of transmission of power on input side and the outlet side one side that takes place to slide) between state, when the restarting of motor 11 (when starting automatically), in that clutch 12 is switched to separated state during, make clutch 12 is switched to the needed time of separated state to shorten with motor 11 starting.
And then, the speed Control program when AMT-ECU28 restarts by the motor of carrying out Fig. 5 described later, solenoidoperated cluthes 12 and variable-speed motor 13 as follows when the restarting of motor 11.Shown in the time diagram of Fig. 3, for example in the parking of vehicle, close under the situation that the automatic start request of motor has taken place by braking, at first, at the moment t3 that the automatic start request of motor takes place, after clutch 12 is switched to separated state from fastening state, starter 19 is opened and crank up motor 11, and the speed change level of variable-speed motor 13 is switched to (or being maintained) 1 fast gear.
Then, at the moment t4 that the starting of motor 11 is finished, after starter 19 is closed,, then clutch 12 is switched to fastening state gradually from separated state if throttle is opened (gas pedal is treaded in).At this moment, when clutch 12 becomes half fastening state (is so-called half-clutch state, be at input side and outlet side the state that transmission of power is carried out in slip on one side to take place on one side) time, the power of motor 11 is passed to wheel 16, vehicle start via clutch 12 and variable-speed motor 13 etc.
Below, the contents processing of each program of Fig. 4 that AMT-ECU28 carries out and Fig. 5 is described.
[the speed Control program when motor stops automatically]
Speed Control program when motor shown in Figure 4 stops is automatically carried out repeatedly with specified period in the electric power starting of AMT-ECU28.If start this program, then at first, in step 101, judge whether the speed of a motor vehicle is lower than fixing speed K1, be under the situation more than the fixing speed K1 being judged as the speed of a motor vehicle, do not carry out the later processing of step 102, finish this program.
On the other hand, in above-mentioned steps 101, be judged as under the speed of a motor vehicle situation lower than fixing speed K1, being judged as vehicle might stop, advance to step 102, after clutch 12 switched to separated state from fastening state, advance to step 103, judge whether to have taken place motor and stop request automatically.
In this step 103, if be judged as taken place motor stop automatically the request, then advance to step 104, before vehicle stops, clutch 12 is being switched under the state of separated state, variable-speed motor 13 is being switched to the speed change level of low speed side interimly corresponding to the decline of the speed of a motor vehicle.
Whether, for example according to the speed of a motor vehicle be 0 judge vehicle whether be stop, be to stop to advance to step 106 when middle being judged as vehicle if then, advancing to step 105, judge based on for example output of Slope Transducer 25 whether vehicle stops on going up a slope.
In this step 106, being judged as vehicle is not under the situation that stops (being that vehicle is stopping on descending or the smooth road) on going up a slope, switch in speed change level under the state of forward gear (for example 1 fast gear) variable-speed motor 13, advance to step 108, clutch 12 is switched to fastening state (state between fastening state and half fastening state fully) from separated state.Thus, the speed change level of carrying out variable-speed motor 13 is maintained state that switches to forward gear (for example 1 fast gear) and the sloping road retentive control that clutch 12 is maintained fastening state.
On the other hand, in above-mentioned steps 106, be judged as vehicle under situation about stopping on the upward slope, advance to step 107, after the speed change level with variable-speed motor 13 switches to backward gear from forward gear, advance to step 108, clutch 12 is switched to fastening state (state between fastening state and half fastening state fully) from separated state.Thus, the speed change level of carrying out variable-speed motor 13 is maintained state that switches to backward gear and the sloping road retentive control that clutch 12 is maintained fastening state.
[the speed Control program when motor is restarted]
Speed Control program when motor shown in Figure 5 is restarted is carried out repeatedly with specified period in the electric power starting of AMT-ECU28.If with this program start, then at first, in step 201, judge whether to have taken place the automatic start request of motor, be judged as under the situation that the automatic start request of motor does not take place, do not carry out the later processing of step 202, finish this program.
On the other hand, in above-mentioned steps 201, be judged as under the situation that the automatic start request of motor has taken place, advance to step 202, after clutch 12 is switched to separated state from fastening state, advance to step 203, starter 19 is opened and crank up motor 11, in the step of following 204, it is 1 fast gear that the speed change level of variable-speed motor 13 is switched (or keeping).
Then, advance to step 205, for example whether surpass high order detonation (intact quick-fried) judgment value of stipulating etc. and judge whether the starting of motor 11 has been finished, when the starting that is judged as motor 11 is finished according to engine rotary speed, advance to step 206, starter 19 is closed.
Then, advance to step 207, judge whether it is that throttle is opened (gas pedal is trampled), open, then advance to step 208, clutch 12 is switched to fastening state gradually from separated state if be judged as throttle.At this moment, when clutch 19 became half fastening state, the power of motor 11 was delivered to wheel 16, vehicle start via clutch 12 and variable-speed motor 13 etc.
In the present embodiment of above explanation, owing to when the stopping automatically of motor 11, carry out the sloping road retentive control that variable-speed motor 13 is maintained the state of the speed change level (for example 1 fast gear) that switches to regulation and clutch 12 is maintained fastening state, so can be with 16 power-transmission system is maintained the state of binding from motor 11 to wheel, even stopped automatically and under the situation that vehicle stops in the ramp at motor 11, also can prevent by the friction of motor 11 wheel 16 rotation (rotation of power-transmission system), prevent the downslide of vehicle.In the case, do not need to forbid stopping automatically of motor 11, so the fuel cost that the control of can guaranteeing to stop automatically brings improves effect.And then, owing to do not need to be provided with the brake fluid pressure retaining device etc. of the downslide that is used for preventing vehicle, so can satisfy requirement as the cost degradation of in recent years important problem.
And then, in the present embodiment, when the retentive control of sloping road, under situation about stopping on the descending, variable-speed motor 13 is maintained the state that switches to forward gear (for example 1 fast gear) at vehicle, under the situation about on vehicle is going up a slope, stopping variable-speed motor 13 is maintained the state that switches to backward gear, so under which kind of situation, can both be maintained the state that the gear ratio that makes variable-speed motor 13 uprises, can maximally utilise the friction of motor 11 and prevent the downslide of vehicle.In addition, even vehicle glides and motor 11 or variable-speed motor 13 rotations along the ramp, its sense of rotation also is normal sense of rotation, so can prevent motor 11 or variable-speed motor 13 damages.
; when the retentive control of sloping road; if clutch 12 is maintained complete fastening state; then when the restarting of motor 11 (when starting automatically); when carrying out the starting of motor 11 in that clutch 12 is switched to separated state; elongated for clutch 12 being switched to the time that separated state needs, the restarting property of motor 11 might descend.
Consider such situation, in the present embodiment, when the retentive control of sloping road, clutch is maintained state between complete fastening state and half fastening state, so compare with the situation that clutch 12 is maintained complete fastening state, when the restarting of motor 11 (when starting automatically), clutch 12 switched to separated state and piloting engine 11 o'clock, can shorten to clutch 12 is switched to separated state and the time of needs, can improve the restarting property of motor 11.
And then, in the present embodiment, when the retentive control of sloping road, before vehicle stops, clutch 12 being switched under the state of separated state, corresponding to the decline of the speed of a motor vehicle variable-speed motor 13 is switched to interimly after the speed change level of low speed side, clutch 12 is switched to fastening state, so, also can quicken under the situation about quickening again the stopping to be interrupted of vehicle, can improve acceleration again with speed change level corresponding to the speed of a motor vehicle at this moment.
In addition, in the above-described embodiments, when the stopping automatically of motor 11, always carry out the retentive control of sloping road, but be not limited thereto, also can be only when the stopping automatically of motor 11 and vehicle under situation about stopping on ramp (going up a slope or descending), carry out sloping road retentive control (under situation about stopping on the smooth road, not carrying out the retentive control of sloping road).If like this, then can avoid unwanted the time, also carrying out the retentive control of sloping road.
In addition, in the above-described embodiments, when the retentive control of sloping road, clutch is maintained the state between complete fastening state and half fastening state, but is not limited thereto, also can when the retentive control of sloping road, clutch 12 be maintained complete fastening state.
Claims (5)
1. the control gear of a driver for vehicle, be applied to the power of internal-combustion engine via clutch and variable-speed motor in the vehicle that wheel side is transmitted, possess: speed Control portion, control above-mentioned clutch and above-mentioned variable-speed motor and switch the speed change level of this variable-speed motor; And the control device that stops automatically, when taken place above-mentioned internal-combustion engine stop to ask automatically the time this internal-combustion engine is stopped automatically, this internal-combustion engine is started automatically; The control gear of this driver for vehicle is characterised in that,
Above-mentioned speed Control portion carries out the sloping road retentive control that above-mentioned variable-speed motor is maintained the state of the speed change level that switches to regulation and above-mentioned clutch is maintained fastening state when above-mentioned internal-combustion engine stops automatically.
2. the control gear of driver for vehicle as claimed in claim 1 is characterized in that,
Above-mentioned speed Control portion has when above-mentioned internal-combustion engine stops automatically and vehicle is carried out the unit of above-mentioned sloping road retentive control under situation about stopping on the ramp.
3. the control gear of driver for vehicle as claimed in claim 1 is characterized in that,
Above-mentioned speed Control portion has when the retentive control of above-mentioned sloping road, vehicle is maintained the state that switches to forward gear with above-mentioned variable-speed motor under situation about stopping on the descending, under the situation that vehicle stops on going up a slope above-mentioned variable-speed motor is maintained the unit of the state that switches to backward gear.
4. as the control gear of each described driver for vehicle in the claim 1～3, it is characterized in that,
Above-mentioned speed Control portion is maintained state between complete fastening state and half fastening state with above-mentioned clutch when the retentive control of above-mentioned sloping road.
5. as the control gear of each described driver for vehicle in the claim 1～3, it is characterized in that,
Above-mentioned speed Control portion before vehicle stops, switching to above-mentioned variable-speed motor after the speed change level of low speed side under the state that above-mentioned clutch is switched to separated state when the retentive control of above-mentioned sloping road interimly, and above-mentioned clutch is switched to fastening state.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010044709A JP2011179597A (en) | 2010-03-01 | 2010-03-01 | Control device of vehicle driving system |
| JP044709/2010 | 2010-03-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102192312A true CN102192312A (en) | 2011-09-21 |
| CN102192312B CN102192312B (en) | 2014-07-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110049400.8A Active CN102192312B (en) | 2010-03-01 | 2011-03-01 | Control device of vehicle drive system |
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| Country | Link |
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| JP (1) | JP2011179597A (en) |
| CN (1) | CN102192312B (en) |
Cited By (3)
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| CN104302955A (en) * | 2012-03-16 | 2015-01-21 | 艾里逊变速箱公司 | Device and method for controlling transmission torque to provide hill ascent and/or descent assistance |
| US9365201B2 (en) | 2012-03-16 | 2016-06-14 | Allison Transmission, Inc. | Device, system, and method for controlling transmission torque to provide hill ascent and/or descent assistance using road grade |
| CN113646220A (en) * | 2019-03-29 | 2021-11-12 | 株式会社爱德克斯 | Vehicle control device |
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| JP6040519B2 (en) * | 2011-09-20 | 2016-12-07 | トヨタ自動車株式会社 | Vehicle control device |
| JP5932530B2 (en) * | 2011-09-29 | 2016-06-08 | 本田技研工業株式会社 | Motorcycle |
| US9109564B2 (en) * | 2012-07-10 | 2015-08-18 | Caterpillar Inc. | Engine starting strategy to avoid resonant frequency |
| GB2527100B (en) | 2014-06-12 | 2017-11-08 | Jaguar Land Rover Ltd | Hill ascent method |
| JP6404088B2 (en) * | 2014-11-06 | 2018-10-10 | 株式会社ケーヒン | Electronic control device for internal combustion engine |
| JP6562288B2 (en) * | 2014-12-04 | 2019-08-21 | スズキ株式会社 | Vehicle control device |
| JP2018150970A (en) * | 2017-03-10 | 2018-09-27 | ジヤトコ株式会社 | Automatic transmission, and control method of automatic transmission |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104302955A (en) * | 2012-03-16 | 2015-01-21 | 艾里逊变速箱公司 | Device and method for controlling transmission torque to provide hill ascent and/or descent assistance |
| US9365201B2 (en) | 2012-03-16 | 2016-06-14 | Allison Transmission, Inc. | Device, system, and method for controlling transmission torque to provide hill ascent and/or descent assistance using road grade |
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| CN113646220A (en) * | 2019-03-29 | 2021-11-12 | 株式会社爱德克斯 | Vehicle control device |
| CN113646220B (en) * | 2019-03-29 | 2024-03-08 | 株式会社爱德克斯 | Control device for vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102192312B (en) | 2014-07-09 |
| JP2011179597A (en) | 2011-09-15 |
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