CN107664208A - The control device of vehicle - Google Patents
The control device of vehicle Download PDFInfo
- Publication number
- CN107664208A CN107664208A CN201710616362.7A CN201710616362A CN107664208A CN 107664208 A CN107664208 A CN 107664208A CN 201710616362 A CN201710616362 A CN 201710616362A CN 107664208 A CN107664208 A CN 107664208A
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- CN
- China
- Prior art keywords
- gear
- engine
- vehicle
- parking
- starting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
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- 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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
- F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
- F16H61/0204—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal
- F16H61/0213—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric for gearshift control, e.g. control functions for performing shifting or generation of shift signal characterised by the method for generating shift signals
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- 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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
-
- 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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
-
- 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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1208—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures with diagnostic check cycles; Monitoring of failures
-
- 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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1232—Bringing the control into a predefined state, e.g. giving priority to particular actuators or gear ratios
-
- 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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/12—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures
- F16H2061/1256—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected
- F16H2061/1276—Detecting malfunction or potential malfunction, e.g. fail safe; Circumventing or fixing failures characterised by the parts or units where malfunctioning was assumed or detected the failing part is a friction device, e.g. clutches or brakes
-
- 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
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
- F16H2061/326—Actuators for range selection, i.e. actuators for controlling the range selector or the manual range valve in the transmission
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear-Shifting Mechanisms (AREA)
- Control Of Transmission Device (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Output Control And Ontrol Of Special Type Engine (AREA)
Abstract
The present invention provides a kind of control device of vehicle, forbids vehicle to be travelled in the state of the reference position for the action of holding brake device is not stored.The control device of vehicle has engine starting control portion (33), if the switching to the progress of parking gear is detected from gear change detection portion (8), then the engine starting control portion (33) permits the starting of engine corresponding with engine startup instruction, if detect the switching carried out to non-parking gear, then when being determined as that vehicle is in traveling by traveling determination unit (37), permit the starting of engine in the engine starting control portion (33), and when being determined as that vehicle is not in traveling, forbid the starting of engine in the engine starting control portion (33).
Description
Technical field
The present invention relates to the control device of the vehicle of control parking gear switching electric actuator.
Background technology
As this control device, conventionally, there is known following device：The device sets parking gear when engine starts
The reference position of switching electric actuator, gear is switched to according to the drive volume of the electric actuator from the reference position
Parking gear (referring for example to patent document 1).In the device described in patent document 1, roller is abutted with the wall of keep plate and made
Keep plate maximally rotate obtained from position (P walls position) as reference position storage in memory, according to from the base
The drive volume for the electric actuator that level has been put switches over to parking gear.
Citation
Japanese Unexamined Patent Publication 2004-308752 publications
But typically, the vehicle with automatic transmission is switched to the state of parking gear or neutral gear in gear
The starting of engine can be carried out down.If however, starter motor is applied in the state of gear is switched to neutral gear
Cell voltage is to carry out engine starting, then cell voltage can reduce.As a result, following worry be present：It is even if special as described above
Device described in sharp document 1 prestores the reference position of electric actuator like that, and the storage value can also disappear, so as to cause car
Travelled in the state of no Memory Reference position.
The content of the invention
The mode of the present invention is the control device of vehicle, and the control device of the vehicle is used by shared battery supplied
Electric power control the 1st electric actuator and the 2nd electric actuator, wherein, the 1st electric actuator turns according to shifting commands
Dynamic board member, is switched over, the 2nd electric actuation between parking gear and non-parking gear to the gear of automatic transmission
Device starts engine according to engine startup instruction, wherein, board member can be from the benchmark of the maximum rotation amount of limitation board member
Rotation is played to the 1st scope for establishing parking gear in position, and then rotates to establishing exceeded the 1st scope the of non-parking gear
Untill 2 scopes, the 1st scope includes the parking gear target location different from reference position, and the control device of vehicle has：Gearshift
Command detection portion, it detects shifting commands corresponding with the gear shift operation of driver；Rotation detection portion, it is exported and board member
Signal corresponding to rotation amount；Gear change detection portion, it detects the switching position of gear；Determination unit is travelled, it judges that vehicle is
It is no to be in traveling；Engine starting control portion, if detecting the switching to the progress of parking gear from gear change detection portion,
Then the engine starting control portion permits the starting of engine corresponding with engine startup instruction, if by gear change detection
Portion detects the switching carried out to non-parking gear, then the engine starting control portion is being determined as vehicle by traveling determination unit
When in traveling, permit the starting of engine, and when being determined as that vehicle is not in traveling by traveling determination unit, forbid starting
The starting of machine；Initial control unit, it is being detected from gear change detection portion in the state of the switching of parking gear progress, with
The mode for making board member rotate untill the reference position after engine is completed to start controls the 1st electric actuation
Device, also, perform following reference position detection operation：Store when the board member is rotated into untill the reference position
From the reference signal of rotation detection portion output；And gear switch control portion, when from gear change detection portion detect to
During the shifting commands of parking gear switching, the gear switch control portion controls the 1st electric actuation according to the reference signal stored
Device so that board member is rotated to parking gear target location.
According to the present invention, when detecting the switching to the progress of parking gear under dead ship condition, permit rising for engine
It is dynamic, when detecting the switching to the progress of non-parking gear, forbid engine to start, therefore, it is possible to prevent vehicle from not depositing
Situation about being travelled in the case of storage reference position, when the shifting commands that can switch after a stoppage to parking gear are output immediately
Gear is switched into parking gear.
Brief description of the drawings
Fig. 1 is the block diagram of the Sketch for the vehicle for showing the control device using embodiments of the present invention.
Fig. 2 summarily shows to be equipped on the knot of the significant points of the holding brake device of the vehicle of embodiments of the present invention
The figure of structure.
Fig. 3 is the figure of the rotating range of the keep plate for the holding brake device for showing pie graph 2.
Fig. 4 is the block diagram of the significant points structure of the control device for the vehicle for showing embodiments of the present invention.
Fig. 5 is the front view for showing to be arranged at the structure of the display part of vehicle front.
Fig. 6 is shown by the flow chart of one of Fig. 4 processing ECU execution, relating generally to engine starting.
Fig. 7 A are the figures of one of display image for showing to show in display part.
Fig. 7 B are the figures of another of display image for showing to show in display part.
Fig. 8 is shown by the flow of one of the ECU execution of Fig. 4, the mainly processing in holding brake device failure
Figure.
Label declaration
1：Engine；1a：Starter motor；3：ECU；4：Battery；5b：Shifting commands detector；6：Parking motor；7：Coding
Device；8：Gear change detection device；9：Speed of vehicle detector；11：Engine start switch；12：Display part；31：Initial control unit；
32：Gear switch control portion；33：Engine starting control portion；34：Display control unit；35：Idle stop control unit；36：Failure
Determination unit；37：Travel determination unit；110：Keep plate；P1：P walls position；Pa：Parking gear target location；θ1：1st scope；θ2：
2nd scope
Embodiment
Hereinafter, 1~Fig. 8 of reference picture, embodiments of the present invention are illustrated.Fig. 1 is to show the reality using the present invention
Apply the block diagram of the Sketch of the vehicle of the control device of mode.
As shown in figure 1, vehicle boarded have engine 1, automatic transmission 2 and ECU (electronic control unit) 3, wherein, from
Dynamic speed changer 2 carries out passing to wheel after speed change to the power of engine 1, and ECU 3 controls engine 1 and automatic transmission 2
Action.ECU 3 is made up of engine control control unit and automatic transmission control control unit etc., still, in Fig. 1
In, for convenience, it is expressed as an ECU 3.
Engine 1 is the petrol engine using gasoline as fuel, is configured to, according to the instruction from ECU 3, in response to
The operation of gas pedal and adjust the aperture of air throttle, and spray corresponding with the air inflow supplied via air throttle fuel.Cause
This, vehicle does not carry such high-tension battery in motor vehicle driven by mixed power, but same with common gasoline car, such as carries
12V battery 4, each action of engine 1 and automatic transmission 2 is controlled using the electric power from battery 4.
Automatic transmission 2 is that have level or ST, the gearshift of the gear of automatic transmission 2 in response to driver
Operate and be switched to parking gear (P gears), retreat traveling gear (R gears), neutral gear (N gears) and advance to travel and keep off
Random shift in position (D gears).In more detail, vehicle has the gearshift 5 of line traffic control gearshift (SBW) formula.Gearshift 5
Driver's seat is arranged at, is had：Selector 5a, it has multiple press operating parts corresponding to each gear of P, R, N, D；And gearshift
Command detector 5b, it detects selector 5a (press operating part) operation.In addition, the structure not limited to this of gearshift 5, example
Such as can also be selector 5a to be formed by the bar that can be moved, and the operation by bar is detected by shifting commands detector 5b
The gear selection (shifting commands) of realization.
ECU 3 is input into from the signal of shifting commands detector 5b outputs.ECU 3 exports use according to the input signal
In the control signal for driving electronic shift actuator (electro-motor) 2a.Thus it is corresponding gear to be switched into operation with driver
Desired gear.In addition, gear can also include beyond P, R, N, D the gear of (such as L gears run at a low speed etc.).
It is vehicle boarded to have holding brake device.Fig. 2 is the significant points structure for summarily showing holding brake device 100
Figure.In addition, Fig. 2 also illustrates the operating state of holding brake device 100.As shown in Fig. 2 holding brake device 100 has：Parking
Gear 102, it is integrally provided with the jackshaft 101 in automatic transmission 2；With the park pawl 104 of warpage shape, it is propped up
Holding into can be with axle portion 103 for branch spot wobble.
Engaging claw 104a, the other end and the cam body 105 of park pawl 104 are provided with the one end of park pawl 104
Abut.Cam body 105 is braked plate 110 and is supported to and can be retreated to arrow A1, A2 directions via parking bar 106.Keep plate
110 are supported to rotate to arrow R1, R2 directions using axle portion 110a as fulcrum.
Keep plate 110 periphery formed with the 1st recess 111 and second recesses 112, also, in the 1st recess 111 and the 2nd
Formed with convex portion 113 between recess 112.Moreover, the 1st recess 111 one end (the opposite side of convex portion 113) formed with the 1st
Wall portion 114, second recesses one end (the opposite side of convex portion 113) formed with the 2nd wall portion 115.Roller 121 and recess 111,112
In any one party engagement, roller 121 is arranged at the one end of elastic arm 120, and the other end of elastic arm 120 is fixed on housing etc.
On.
Keep plate 110 is driven to rotate by parking motor 6.By encoder 7 to the rotation amount of parking motor 6, i.e. keep plate 110
Rotation position detected.In addition, parking motor 6 is set with shift actuator 2a splits, parking motor 6 carries out P gears
Switching action, shift actuator carry out P gears beyond (D, R, N gear) switching action.
When the operation using selector 5a have selected P gears, keep plate 110 rotates to R1 directions, as shown in Fig. 2 roller
121 engage with the 1st recess 111.Thus cause cam body 105 to be moved to A1 directions via parking bar 106, make engaging claw 104a
Engaged with parking gear 102.As a result, prevent the rotation of jackshaft 101 and fix wheel, holding brake device 100
Acted (parking operating state).
On the other hand, when have selected non-P gears (random shift in D, R, N gear), keep plate 110 revolves to R2 directions
Turn so that roller 121 is crossed convex portion 113 and engaged with second recesses 112.Thus via parking bar 106 and cause cam body 105 to
A2 directions are moved, and parking gear 102 and engaging claw 104a engagement are released.The result is that so that jackshaft 101 can revolve
Turn, therefore so that wheel can be rotated, and holding brake device 100 is released from (parking releasing state).
Fig. 3 is the figure for the rotating range for showing keep plate 110.As shown in figure 3, the rotation of keep plate 110 is by roller 121 and
The non-P walls position P2 limitations that the P walls position P1 and roller 121 that 1 wall portion 114 abuts abut with the 2nd wall portion 115, keep plate 110 can
Rotated between P walls position P1 and non-P walls position.Boundary position P3 of the roller 121 between P walls position P1 and non-P walls position P2
Moved to convex portion 113.
When the rotation amount of keep plate 110 is in the 1st range Theta 1, gear is switched to P gears and acted as parking
State.On the other hand, when the rotation amount of keep plate 110 is in the 2nd range Theta 2, gear is switched to beyond P gears (non-P
Gear) and release state as parking.
By it is when have selected P gears, target rotational position (the P gears of the keep plate 110 of starting point are used as using P walls position P1
Target location Pa) center of such as the 1st recess 111 that is set in the 1st range Theta 1.It is when will have selected non-P gears, with
P walls position P1 is set in the 2nd range Theta 2 as the target rotational position (non-P gears target location Pb) of the keep plate 110 of starting point
The center of interior such as second recesses 112.
In the present embodiment, keep plate 110 is maximally rotated to R1 directions, utilize the signal of encoder 7 at this moment
To detect P walls position P1 (reference position), also, the signal (reference signal) for the encoder 7 for representing P walls position P1 is stored in
In memory (volatile memory).This is referred to as the position detection operation of P walls.In addition, make keep plate 110 maximum to R1 directions
Under the postrotational state in ground, the tensile force for acting on elastic arm 120 is maximum.
In addition, as described above, the vehicle boarded battery 4 having with general gasoline car identical 12V of present embodiment,
When engine starts, starter motor 1a is driven using the electric power from battery 4.Therefore, when surge current rises according to engine
Dynamic instruction and when flowing into starter motor 1a, cell voltage be reduced to as defined in value below, the information that is stored in memory, pass through
The reference position information that the position detection operation of P walls obtains is possible to disappear.Even if reference position information has disappeared, as long as in gear
Position has been switched to the state of P gears, it becomes possible to performs the position detection operation of P walls again after the engine is started up, vehicle can
Travelled in the state of P walls position P1 is stored.
If however, starting engine 1 in the state of gear is switched to N gears, there is following worry：It can not perform
The position detection operation of P walls, vehicle travel in the state of no storage P walls position P1.In this case, ought indicate after a stoppage to
During the switching that P gears are carried out, keep plate 110 can not be made to rotate untill P gears target location Pa immediately, be carried out to P gears
Time needed for switching is elongated.As a result, for example when obliquely stopping, need to continue behaviour to prevent the landslide of vehicle
Make brake pedal, it is necessary to carry out miscellaneous operation for driver.In order to prevent such miscellaneous operation, in this embodiment party
In formula, the control device of vehicle is formed as described as follows.
Fig. 4 is the block diagram of the structure of the significant points of the control device for the vehicle for showing embodiments of the present invention.Such as Fig. 4
It is shown, the signal of lower component freely is enter in ECU 3：Shifting commands detector 5b, encoder 7, the switching for detecting gear
The gear change detection device 8 of position, the speed of vehicle detector 9 for detecting speed, the revolution detector 10 for detecting engine speed and
The engine start switch 11 of the starting of engine 1 is indicated using the operation of driver.Gear change detection device 8 includes：Inspection
The sensor for the switching that direction finding P gears are carried out (such as exports connection signal when engaging claw 104a engage with parking gear 102
Parking sensor)；With detection to N gears carry out switching sensor (such as carry out N gears switching when output connect letter
Number neutral sensor).
ECU 3 is configured to comprising the arithmetic processing apparatus with CPU, ROM, RAM and other peripheral circuits etc..ECU 3
Aftermentioned processing is performed according to the signal from each detector and switch, to starter motor 1a, shift actuator 2a, the and of parking motor 6
The output control signal of display part 12.
As shown in figure 4, ECU 3 is used as functional structure, there is initial control unit 31, gear switch control portion 32, start
Machine starting control portion 33, display control unit 34, idle stop control unit 35, breakdown determination portion 36 and traveling determination unit 37.
Initial control unit 31 is in the state of gear has been switched to P gears, the hair that is detected by revolution detector 10
Motivation rotating speed becomes to crush more than rotating speed, when engine 1 starts action, control parking motor 6 so that perform the detection of P walls position
Action.That is, keep plate 110 is maximally rotated to Fig. 2 R1 directions using the driving of parking motor 6 and make the wall of roller 121 and the 1st
Portion 114 is abutted, also, the output signal of encoder 7 at this moment is stored in ECU 3 memory as expression P walls position
P1 reference signal.When the storage of reference signal is completed, initial control unit 31 makes keep plate 110 be rotated to Fig. 2 R2 directions,
The original position for making keep plate 110 return to before being rotated to R1 directions.The original position is equivalent to P gears target location
Pa (Fig. 3).
Gear switch control portion 32 controls shift actuator 2a and parking according to the signal from shifting commands detector 5b
Motor 6.Especially with regard to the control of parking motor 6, refer to when being detected from shifting commands detector 5b to the gearshift of P gears switching
When making, gear switch control portion 32 exports according to the reference signal for the P walls position P1 for representing to store in memory to parking motor 6
Control signal, keep plate 110 is set to rotate untill P gears target location Pa.
More particularly, gear switch control portion 32 according to reference signal and makes before keep plate 110 rotates to R1 directions
Encoder 7 output signal setting corresponding to P gears target location Pa target rotation amount, on one side monitor encoder 7 it is defeated
Go out while making keep plate 110 be rotated with the target rotation amount.Furthermore it is also possible to the shape data according to the periphery of keep plate 110
(design load) sets the target rotation amount corresponding to P gears target location Pa.
And then when being detected from shifting commands detector 5b to the shifting commands that non-P gears (D, R, N gear) switch,
Gear switch control portion 32, to the output control signal of parking motor 6, makes keep plate 110 according to the reference signal stored in memory
Rotate to non-P gears target location Pb (Fig. 3).More particularly, according to reference signal and the shape number of the periphery of keep plate 110
Set the target rotation amount corresponding to non-P gears target location Pb according to (design load), monitor the output of encoder 7 while
Keep plate 110 is set to be rotated with the target rotation amount.
When the operation by engine start switch 11 is to input engine startup instruction, engine starting control portion 33
Determine whether to permit engine to start according to the switching state of gear and vehicle running state.That is, examined if switched by gear
The switching that device 8 detects to carry out to P gears is surveyed, then permits engine to start.Thus to starter motor 1a (motor relay)
Output control signal, start the Kick-start action of engine 1.On the other hand, if from gear change detection device 8 detect to
The switching that N gears are carried out, then when being determined as that vehicle is in traveling by traveling determination unit 37, permit the starting of engine 1,
When being determined as that vehicle is not in traveling, forbid the starting of engine 1.
Display control unit 34 shows display part 12 to display part 12 (Fig. 5) output control signal for being arranged at driver's seat
Defined display image.Fig. 5 is the front view for the structure for showing display part 12.As shown in figure 5, display part 12 is being driven by configuring
The multifunctional information display in the center of meter panel 13 in front of seat is formed.
The vehicle of embodiments of the present invention has idle stop mechanism, when D gears are chosen, and in dead ship condition
Under (speed 0), also, during not operation condition (idle stop starts condition) establishment of brake pedal, the idle stop mechanism
Stop fuel injection according to the instruction from ECU 3, so that engine 1 is automatically stopped.Idle stop control unit 35 controls
The action of idle stop mechanism.In idle stop, if brake pedal is not operated, the idle stop duration is regulation
Any idle stop stop condition more than time, in the electric loading of vehicle increase etc. set up, then idle stop control unit 35
Starter motor 1a is controlled, terminates idle stop.Thus start Kick-start action, reset engine 1.
Breakdown determination portion 36 judges to form a part of part (parking motor 6, encoder 7 etc.) of holding brake device 100
Whether there occurs failure.Such as when showing that the signal of action of parking motor 6 occurs as defined in abnormal reach more than the time, judge
For holding brake device 100, there occurs failure.Travel determination unit 37 is to judge vehicle according to the signal from speed of vehicle detector 9
It is no to be in traveling.
Fig. 6 is shown by the flow chart of one of Fig. 4 ECU 3 processing performed.Processing shown in the flow chart is main
It is related to the processing (engine start up process) of engine starting, in parking or in traveling, when engine 1 is in non-action shape
Start the processing during state.In addition, the non-action status of engine 1 include the prestarting state of engine and risen in engine
Dynamic rear engine rotating speed is less than the engine stall state of idling.
First, in step sl, determine whether to locate according to the signal from gear change detection device 8 (parking sensor)
The parking operating state of P gears has been switched in gear.If being affirmative in step sl, step S2 is advanced to, according to
The operation of engine start switch 11 starts to determine whether to indicate engine.If being in step s 2 affirmative, before
Step S3 is proceeded to, if negative, then return to step S1.
In step s3, risen using the processing in engine starting control portion 33 to starter motor 1a output control signals
Dynamic engine 1.Then, after engine is completed to start, step S4 is advanced to, is held using the processing in initial control unit 31
Row P walls position detection operation.That is, to the output control signal of parking motor 6, keep plate 110 is made to rotate untill P walls position P1,
Also, by the detection signal storage of encoder 7 at this moment in memory.
Then, in step s 5, using the processing in initial control unit 31, according to the signal of encoder 7 to parking motor 6
Output control signal, keep plate 110 is set to return to original position (the P gears target location before performing the position detection operation of P walls
Pa).More than, engine start up process terminates.Afterwards, gear is switched according to selector 5a operation.For example, when instruction is carried out
From non-P gears to during the switching of P gears, using the processing in gear switch control portion 32, according to the benchmark stored in step S4
Gear is switched to P gears by signal to the output control signal of parking motor 6.In addition, if gear is switched to D gears, idling
Stop condition is set up, then is acted idle stop mechanism using the processing in idle stop control unit 35.
On the other hand, if being in step sl negative, i.e. when releasing state in parking, then advance to step S6.
In step s 6, judge whether gear has been switched to N according to the signal from gear change detection device 8 (neutral sensor)
Gear.If being affirmative in step s 6, advance to step S7, using the processing travelled in determination unit 37, according to from
The signal of speed of vehicle detector 9 come judge vehicle whether in traveling in.If it is in the step s 7 affirmative, i.e. detect
Under engine stall state to N gears carry out switching, then advance to step S8, according to the operation of engine start switch 11 come
Judge whether engine startup instruction has been output.
Step S8, if being affirmative in step s 8, advances to step S9 by untill being performed repeatedly until affirmative.
In step S9, using the processing in engine starting control portion 33 to starter motor 1a output control signals, engine 1 is started.
Then, in step slo, using the processing travelled in determination unit 37, vehicle is judged according to the signal from speed of vehicle detector 9
Whether in traveling.Step S10 is by untill being performed repeatedly until negative, if being in step slo negative, i.e. judge
It is in for vehicle in parking, then advances to step S11.
In step s 11, determine whether to utilize selector 5a's according to the signal from shifting commands detector 5b
Operation outputs the shifting commands switched to P gears.Step S11 is by untill being performed repeatedly until affirmative, if in step s 11
It is affirmative, then advances to step S12.In step s 12, judge the P walls position P1's that expression is stored in advance in memory
Whether reference signal has disappeared.I.e., in step s 9, when starting engine 1, according to as defined in being reduced to cell voltage value with
Under situation come whether determinating reference signal has disappeared.
If being negative in step s 12, step S5 is advanced to, according to the reference signal and volume stored in memory
The signal of code device 7 is to the output control signal of parking motor 6.Thus keep plate 110 is made to be rotated from non-P gears target location Pb to P
Untill the Pa of gear target location, gear is switched into P gears from N gears.On the other hand, if being in step s 12 affirmative,
Then advance to step S13, by the processing in idle stop control unit 35 and the establishment with idling-stopping condition whether independently
Forbid idle stop.
Then, step S14 is advanced to, the position detection operation of P walls is performed using the processing in initial control unit 31.The feelings
Under condition, the driving of parking motor 6 is controlled in order to perform the position detection operation of P walls in the state of N gears have been switched to, makes system
Dynamic plate 110 is rotated untill P walls position P1 with the speed less than the actuating speed in step S4.Then, step S5, root are advanced to
, to the output control signal of parking motor 6, make braking according to reference signal obtained from the P walls position detection operation as step S14
Plate 110 is rotated untill P gears target location Pa.
If being negative in step s 6, step S15 is advanced to, is sentenced according to the signal from speed of vehicle detector 9
Vehicle is determined whether in traveling.If being affirmative in step S15, step S16 is advanced to, if negative, then
Advance to step S17.If being negative in the step s 7, step S17 is advanced to.In step s 16, switched using gear
Gear is switched to N gears by the processing in control unit 32 to shift actuator 2a output control signals.
In step S17, using the processing in display control unit 34 to the output control signal of display part 12, make display part 12
Image as defined in display.Fig. 7 A are the figures of one of the display image 14 for showing the situation.In fig. 7, by imitating P gears
The character image 14b that image 14a and indication switch to P gears and carry out engine starting forms display image 14.Thus, drive
Member can easily grasp the step of engine starts.
Fig. 8 be show in ECU 3 another processing, more particularly to a part of part in holding brake device 100
The flow chart of one of the processing (parking troubleshooting) that engine when (parking motor 6 etc.) breaks down starts.It is such as logical
When crossing the operation of engine start switch 11 and outputing engine startup instruction, start the processing.
First, in the step s 21, holding brake device 100 is judged by breakdown determination portion 36 whether there occurs failure.Step
S21, if being affirmative in the step s 21, advances to step S22 by untill being performed repeatedly until affirmative.In step S22
In, judge whether gear has been switched to N gears according to the signal from gear change detection device 8.If in step S22
It is affirmative, then advances to step S23, if negative, then return to step S21.
In step S23, using the processing in display control unit 34 to the output control signal of display part 12, make display part 12
Image as defined in display.Fig. 7 B are the figures of one of the display image 15 for showing the situation.In figure 7b, by imitation brake pedal
Pedal image 15a, show brake pedal operation arrow image 15b, imitate engine start switch 11 firing switch
Image 15c and the character image 15d composition display images 15 for giving directions engine starting method.Thus, driver can be easily
Grasp the step of engine starts.
Then, in step s 24, judge to be grasped in brake pedal using the processing in engine starting control portion 33
Whether engine start switch 11 is operated in the state of work, i.e. engine trip bar during 100 failure of holding brake device
Whether part is set up.If being affirmative in step s 24, step S25 is advanced to, if negative, then return to step
S23.In step s 25, to starter motor 1a output control signals, engine 1 is started.Thus, even at N gears and vehicle
In parking, in the case where holding brake device 100 breaks down, engine starting can be also carried out.
Next, the main actions of the control device of the vehicle of embodiments of the present invention are more specifically illustrated.
Under the normal condition that holding brake device 100 does not break down, in parking, when driver operates engine start switch 11
When, when gear is switched to P gears, start Kick-start action, engine 1 is started (step S3).Then, parking is utilized
The driving of motor 6 performs the position detection operation of P walls, by P walls position P1 storages in memory (step S4), then, makes braking
Plate 110 returns to P gears target location Pa (step S5).
On the other hand, when the gear of (such as N gears) beyond gear is switched to P gears, Kick-start action is banned
Only.At this moment, being shown in display part 12 gives directions the operation by selector 5a to select the image of P gears (Fig. 7 A) (step S17).
Thus the engine carried out in P gears under dead ship condition starts, and performs the position detection operation of P walls after the engine is started up, therefore,
The situation that vehicle can be forbidden to be travelled in the state of the P walls position P1 of the benchmark acted as parking is not stored.
As a result, making to stop after vehicle traveling, then, driver is using selector 5a operation instruction to P gears
The switching of progress, in the case, P gears can be switched to gear immediately according to the P walls position P1 prestored.Thus,
Such as following situation can be prevented：In the state of obliquely stopping, after driver indicates the switching to the progress of P gears
When the pin is left brake pedal, vehicle is caused to come down due to gravity.In other words, driver is without ongoing operation brake pedal,
The workload of driver can be reduced.
When engine stall occurs under steam, N gears are switched to using gear and permit engine to start as condition.If
Gear is switched to the gear (D gears) beyond N gears, then is forcibly switched gear using shift actuator 2a action
For N gears (step S16).And then in the state of gear has been switched to N gears, when operating engine start switch 11,
Engine 1 starts (step S9).It is enough therefore, it is possible to ensure under steam thus, it is possible to recover from engine stall state
Negative pressure is braked, the operation of brake pedal can be utilized reliably to produce brake force.
If carrying out engine starting in N gears, the worry that the P walls position P1 stored in memory disappears is deposited.In P
After wall position P1 stops in the state of disappearing, during the switching carried out using selector 5a operation instruction to P gears, while with low
The speed driving parking motor 6 of (step S4) is while perform the inspection of P walls position when the P walls position detection operation carried out in P gears
Survey acts (step S14).Thereby, it is possible to relax to make roller 121 (Fig. 2) cross convex portion 113 from second recesses 112 to be moved to the 1st recess
Impact when 111.
When performing the position detection operation of P walls in N gears, forbid idle stop (step S12).It is therefore not necessary to pass through solution
Except idle stop drives starter motor 1a automatically, parking motor 6 just can be reliably driven using the electric power of 12V battery 4.
That is, starter motor 1a and parking motor 6 are driven when different, it is accordingly possible to ensure enough driving voltages of parking motor 6.By
This, can reliably turn into parking operating state, therefore, it is possible to prevent vehicle in situation about obliquely being come down due to gravity.
When holding brake device 100 (such as parking motor 6) breaks down, permit to carry out engine starting in N gears.
That is, in the state of gear has been switched to N gears and brake pedal is operated, when operating engine start switch 11,
Engine 1 starts (step S25).Thus, gear is caused not to be switched even in the failure due to holding brake device 100
In the case of for P gears, engine 1 can be also started.In 100 failure of holding brake device, start in the display of display part 12
The step of machine starts (step S23).Driver can easily start engine 1 by referring to the display.
According to the embodiment of the present invention, following action effect can be played.
(1) control device of the vehicle of embodiments of the present invention is controlled using the electric power supplied by shared battery 4
Parking motor 6 and starter motor 1a, wherein, parking motor 6 rotates keep plate 110 according to shifting commands, in P gears and non-P
Switch the gear of automatic transmission 2 between gear (D, R, N gear), starter motor 1a starts according to engine startup instruction to be started
Machine 1 (Fig. 1).Keep plate 110 can be rotated to the 1st range Theta for establishing P gears from the P walls position P1 for limiting its maximum rotation amount
1, and then rotate to non-P gears, the 2nd range Theta 2 more than the 1st range Theta 1 is established, the 1st range Theta 1 is included with P walls position P1 not
Same P gears target location Pa (Fig. 3).Also, control device has：Shifting commands detector 5b, it is exported with driver's
Shifting commands corresponding to gear shift operation；Encoder 7, it exports signal corresponding with the rotation amount of keep plate 110；Gear switching inspection
Device 8 is surveyed, it detects the switching position of gear；Determination unit 37 is travelled, it judges vehicle whether in traveling；Engine starts control
Portion 33 processed, if detecting the switching to the progress of P gears from gear change detection device 8, the engine starting control portion 33 is permitted
Can engine 1 corresponding with engine startup instruction starting, if detect to non-P gears carry out switching, engine
Starting control portion 33 permits the starting of engine 1 when being determined as that vehicle is in traveling by traveling determination unit 37, and is judging
When being not at for vehicle in traveling, forbid the starting of engine 1；Initial control unit 31, it is detected by gear change detection device 8
Go out in the state of the switching carried out to parking gear, keep plate 110 is rotated to P walls position afterwards to complete to start in engine 1
The mode being set to only controls parking motor 6, also, performs following P walls position detection：Storage keep plate 110 is rotated into P walls
The reference signal exported from encoder 7 when untill position；And gear switch control portion 32, when by shifting commands detector 5b
When exporting the shifting commands to the switching of P gears, the gear switch control portion 32 controls according to the reference signal stored in memory
Parking motor 6, keep plate 110 is set to rotate to P gears target location Pa (Fig. 4).
Thus, the engine under dead ship condition is started and carried out under P gears, therefore, it is possible to prevent vehicle in no storage P
Situation about being travelled in the state of the P1 of wall position, immediately will gear when the shifting commands that can switch after a stoppage to P gears are output
Position switches to P gears.Therefore, driver is without ongoing operation brake pedal, it is not necessary to miscellaneous operation.As long as in addition, vehicle
In traveling, even if being non-P gears, also engine is permitted to start, therefore, it is possible to extensive from the engine stall state in traveling
It is multiple.
(2) gear change detection device 8 can also detect to the N gears that the power of engine 1 is not passed to wheel,
When from gear change detection device 8 detect to N gears carry out switching and by traveling determination unit 37 be determined as vehicle be in traveling
When middle, engine starting control portion 33 permits the starting (step S9) of engine 1.Thus, it is possible to carry out the engine in N gears
Start, though under steam there occurs engine stall in the case of, also can utilize engine start ensure enough brakings
Negative pressure.
(3) and then, be determined as by traveling determination unit 37 vehicle be in traveling in the state of the stopping of engine 1 act
When, gear is switched to N gears (step S16) by gear switch control portion 32.Thereby, it is possible to be automatically transferred to that engine can be carried out
The gearshift condition of starting, easily recover from the engine stall state in traveling.
(4) vehicle also has idle stop control unit 35, and the idle stop control unit 35, which has, transports the idling of engine 1
Turn the idle stop function of stopping, when detecting the switching to the progress of N gears from gear change detection device 8, the idle stop
Control unit 35 forbids the action (Fig. 4) of idle stop function.Thereby, it is possible to prevent from driving starter motor 1a and parking motor simultaneously
6 situation, it is accordingly possible to ensure enough driving voltages of parking motor 6.
(5) vehicle also has idle stop control unit 35, and the idle stop control unit 35, which has, transports the idling of engine 1
Turn the idle stop function of stopping, when the voltage due to battery 4 reduces and cause the reference signal stored by initial control unit 31
During disappearance, the idle stop control unit 35 forbids the action (Fig. 4) of idle stop function.By so being made with resetting reference signal
Forbid the action of idle stop function for condition, the ineffective treatment of idle stop function can be suppressed to Min., contributed to
The raising of fuel efficiency.
(6) and then, detected from gear change detection device 8 in the state of the switching of N gears progress, engine 1
Start after completing, when detecting the shifting commands to P gears from shifting commands detector 5b, initial control unit 31 performs P
Wall position detection operation (step S14).Thus, P walls position P1 is stored, afterwards, when the shifting commands switched to P gears are defeated
When going out, P gears can be switched to immediately.
(7) also there is breakdown determination portion 36, the breakdown determination portion 36 judges the holding brake device with parking motor 6
100 have fault-free (Fig. 4), if being determined as holding brake device 100 there occurs failure by breakdown determination portion 36, by gear
When change detection device 8 detects the switching carried out to N gears and is determined as that vehicle is not in traveling by traveling determination unit 37, hair
Engine start control unit 33 also permits the starting of engine 1.Thus, even if vehicle is in parking under N gears, in parking system
In the case that dynamic device 100 is there occurs failure, engine starting can be also carried out.
(8) also there is display part 12, holding brake device 100 is being determined as there occurs during failure by breakdown determination portion 36,
The display part 12 is used for the operation (Fig. 4) that engine starts to driver notification.Thus, spy is needed when engine starts
In the case of other operation, driver also can easily carry out engine starting.
In addition, in the above-described embodiment, using parking motor 6 as the 1st electric actuator, the 1st electric actuator
Gear is switched between parking gear and non-parking gear, also, uses starter motor 1a as the 2nd electric actuation
Device, the 2nd electric actuator start engine according to engine startup instruction, still, as long as using by shared battery supplied
Electric power be controlled, then the structure of the 1st electric actuator and the 2nd electric actuator is not limited to said structure.In above-mentioned implementation
In mode, board member is formed by keep plate 110, still, as long as forming as follows, the structure of board member can be any
Structure：It is arranged to rise from the reference position (P walls position P1) for limiting maximum rotation amount and rotates to establishing the 1st of parking gear
Scope, and then rotate untill the 2nd scope for establishing non-parking gear, the parking different from reference position is included in the 1st scope
Gear target location.Accordingly it is also possible to it is corresponding with the rotation amount of board member to form output using the part beyond encoder 7
The rotation detection portion of signal.
In the above-described embodiment, the shifting commands switched to P gears are exported using selector 5a operation, still,
It can also be, such as the door opening and closing sensor of the opening and closing of detection door is set, export when door opens wide and changed to what P gears switched automatically
Gear instruction.That is, the shifting commands switched to P gears can also be exported using any one in manually and automatically.Above-mentioned
It is vehicle boarded to have single battery 4 in embodiment, it however, it can be, for example, in order to unrelated with the electric power of battery 4
Ground shows defined information (urging information of operation of manual parking braking etc.) in display part 12, and is taken with the split of battery 4
Carry secondary cell.
In the above-described embodiment, when being determined as holding brake device 100 there occurs during failure by breakdown determination portion 36,
Display part 12 shows the operation started for engine, but it is also possible to notify what is started for engine using sound etc.
Operation, the structure of notification unit are not limited to said structure.The gearshift of detection shifting commands corresponding with the gear shift operation of driver refers to
Detector 5b (shifting commands test section) structure is made to be also not necessarily limited to said structure.In the above-described embodiment, set and change respectively
Gear actuator 2a and parking motor 6, but it is also possible to the switching for using shared actuator carry out to each gear.
In above-mentioned embodiment, reference signal is stored in volatile memory, but it is also possible to be stored in nonvolatile memory
In.
Embodiment above is applied to the gasoline car for being equipped with petrol engine, and still, the present invention can also be similarly
Applied to the vehicle for being equipped with other engines such as diesel engine.
Explanation only one above, as long as not damaging the feature of the present invention, the invention is not restricted to above-mentioned embodiment party
Formula and variation.One or more of above-mentioned embodiment and variation can be arbitrarily combined, will can also deformed
Example is combined each other.
Claims (8)
1. a kind of control device of vehicle, the control device of the vehicle controls the 1st using the electric power by shared battery supplied
Electric actuator and the 2nd electric actuator, wherein, the 1st electric actuator rotates board member according to shifting commands, in parking
The gear of automatic transmission is switched between gear and non-parking gear, the 2nd electric actuator rises according to engine
Dynamic instruction starts engine, and the control device of the vehicle is characterised by,
The board member can be rotated to described in foundation from the reference position that the maximum rotation amount of the board member is restricted
1st scope of parking gear, and then rotate to the 2nd scope for having exceeded the 1st scope for establishing the non-parking gear and be
Only, the 1st scope includes the parking gear target location different from the reference position,
The control device of the vehicle has：
Shifting commands test section, it detects shifting commands corresponding with the gear shift operation of driver；
Rotation detection portion, it exports signal corresponding with the rotation amount of the board member；
Gear change detection portion, it detects the switching position of gear；
Determination unit is travelled, it judges vehicle whether in traveling；
Engine starting control portion, if detecting the switching to parking gear progress from the gear change detection portion,
Then the engine starting control portion permits the starting of the engine corresponding with the engine startup instruction, if by described
Gear change detection portion detects the switching carried out to the non-parking gear, then the engine starting control portion is by the row
When sailing determination unit and being determined as that vehicle is in traveling, permit the starting of the engine, and judge by the traveling determination unit
When being not at for vehicle in traveling, forbid the starting of the engine；
Initial control unit, it is in the state that the switching to parking gear progress is detected from the gear change detection portion
Under, the 1st electric actuator control is formed in the engine and completes to make the board member rotate to the base after starting
Level is put, also, performs following reference position detection operation：Store when the board member is rotated into the reference position
From the reference signal of rotation detection portion output；And
Gear switch control portion, when from the gear change detection portion detect to the parking gear switch shifting commands
When, the gear switch control portion controls the 1st electric actuator according to the reference signal stored so that the plate portion
Part is rotated to the parking gear target location.
2. the control device of vehicle according to claim 1, it is characterised in that
The gear change detection portion can also examine to the neutral gear that the power of the engine is not passed to wheel
Survey,
When being detected the switching that is carried out to the neutral gear from the gear change detection portion and sentenced by the traveling determination unit
When being set to vehicle in traveling, the engine starting control portion permits the starting of the engine.
3. the control device of vehicle according to claim 2, it is characterised in that
And then when the engine stop acts in the state of being determined as that vehicle is in traveling by the traveling determination unit,
Gear is switched to the neutral gear by the gear switch control portion.
4. the control device of the vehicle according to Claims 2 or 3, it is characterised in that
The vehicle have make the idle stop function that the idle running of the engine stops,
The control device of the vehicle also has idle stop control unit, is detected when from the gear change detection portion to described
During the switching that neutral gear is carried out, the idle stop control unit forbids the action of the idle stop function.
5. the control device of the vehicle according to Claims 2 or 3, it is characterised in that
The vehicle have make the idle stop function that the idle running of the engine stops,
The control device of the vehicle also has idle stop control unit, when the voltage by the battery reduces and causes by institute
When stating the reference signal disappearance of initial control unit storage, the idle stop control unit forbids the action of the idle stop function.
6. the control device of the vehicle according to any one of claim 2~5, it is characterised in that
And then in the state of the switching for being detected to carry out to the neutral gear from the gear change detection portion, the hair
After the starting of motivation is completed, when detecting the shifting commands that switch to the parking gear from the shifting commands test section
When, the initial control unit performs the reference position detection operation.
7. the control device of the vehicle according to any one of claim 2~6, it is characterised in that
The control device of the vehicle also has breakdown determination portion, and the breakdown determination portion judges there is the 1st electric actuator
Holding brake device have fault-free,
If it is determined as that the holding brake device there occurs failure, is examined being switched by the gear by the breakdown determination portion
When survey portion detects the switching carried out to the neutral gear and is determined as that vehicle is not in traveling by the traveling determination unit,
Also the starting of the engine is permitted in the engine starting control portion.
8. the control device of vehicle according to claim 7, it is characterised in that
The control device of the vehicle also has notification unit, and the notification unit is being determined as the parking system by the breakdown determination portion
There occurs the operation for being used for engine starting during failure to driver notification for dynamic device.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2016-147314 | 2016-07-27 | ||
| JP2016147314A JP6293827B2 (en) | 2016-07-27 | 2016-07-27 | Vehicle control device |
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| CN107664208B CN107664208B (en) | 2019-07-16 |
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| CN111731258A (en) * | 2019-03-20 | 2020-10-02 | 丰田自动车株式会社 | Vehicle control device |
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| CN112951220B (en) * | 2019-11-26 | 2024-03-01 | 广州汽车集团股份有限公司 | Voice redundancy braking method and system, computer equipment and readable storage medium thereof |
| JP7213201B2 (en) * | 2020-03-30 | 2023-01-26 | 本田技研工業株式会社 | shift device |
| CN114251443B (en) * | 2020-09-22 | 2023-04-07 | 长城汽车股份有限公司 | Vehicle gear shifting device and method and vehicle |
| CN113588270B (en) * | 2021-06-18 | 2024-04-16 | 东风汽车集团股份有限公司 | Method and device for detecting turbocharging electric control actuator |
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Also Published As
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| JP6293827B2 (en) | 2018-03-14 |
| CN107664208B (en) | 2019-07-16 |
| JP2018017294A (en) | 2018-02-01 |
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