CN100412337C - Vehicle controller - Google Patents
Vehicle controller Download PDFInfo
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- CN100412337C CN100412337C CNB2005101084289A CN200510108428A CN100412337C CN 100412337 C CN100412337 C CN 100412337C CN B2005101084289 A CNB2005101084289 A CN B2005101084289A CN 200510108428 A CN200510108428 A CN 200510108428A CN 100412337 C CN100412337 C CN 100412337C
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- 230000005540 biological transmission Effects 0.000 claims abstract description 39
- 238000001514 detection method Methods 0.000 claims abstract description 13
- 230000035939 shock Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 15
- 239000012530 fluid Substances 0.000 description 15
- 239000002131 composite material Substances 0.000 description 7
- 230000008929 regeneration Effects 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000446 fuel Substances 0.000 description 4
- 230000006866 deterioration Effects 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
Abstract
To attain reduction of shocks and protection of a clutch by suitably controlling connection force of the clutch in a transmission according to speed of a vehicle and the number of rotation of an engine when the engine again accelerates from an automatically stopped state before the vehicle stops completely. In a control unit of a vehicle having the engine and automatic transmission connected with the engine, the control unit includes an automatic stop determination unit for determining whether or not the engine is automatically stopped in response to operating conditions of the vehicle, an engine automatic stop unit for automatically stopping the engine when determining that the engine is automatically stopped, a restart determination unit for determining whether or not the stopped engine starts again, and an engine restart unit for restarting the engine when determining that the engine is restarted. Speed of the vehicle is detected by a vehicle speed detection unit. When restarting the engine, fastening force of the clutch for a starting shift of the automatic transmission, which is connected before the engine is automatically stopped, is controlled by a fastening force control unit in response to speed of the vehicle.
Description
Technical field
The present invention relates to a kind of controller of vehicle.
Background technique
In recent years, with fuel saving, to reduce discharging and reduce noise be purpose, proposes the control gear of vehicle, can be along with the establishment of stop condition shutting engine down automatically, automatically restart motor along with the establishment of reset condition from halted state simultaneously.
For example, in the Te Kaiping 8-291725 communique, announce that a kind of motor stops and restarting device automatically, temporarily stopping vehicle because of waiting signal etc. this time, automatically pilot engine automatically again when shutting engine down and starting, thereby seek the improvement of fuel cost etc.
The motor of being announced according to the disclosure communique stops and restarting device automatically, then when the state starting vehicle that motor temporarily stops, can violating driver's the meaning and restart motor, and can start vehicle swimmingly.Even its result at the vehicle that has carried automatic transmission, also can not add burden ground to the driver and adopt motor to stop automatically and restarting device.
The spy opens in the 2000-170894 communique, announced a kind of control gear of power transmission system, according to the rules during the automatic shutting engine down of condition, act on the oil pressure of clutch by reduction, thereby, inhibition stop automatically along with motor and the change of the moment of torsion that produces to the wheel transmission, can avoid the impact that produces owing to body oscillating.
In addition, have in the composite power vehicle of motor and electric motor, its control is to allow to along with the establishment of stop condition shutting engine down automatically, automatically to restart motor along with the establishment of reset condition from halted state simultaneously.
Patent documentation 1: the spy opens flat 8-291725 communique
Patent documentation 2: the spy opens the 2000-170894 communique
Known motor and have grade automatic transmission be situated between by clutch and fluid torque converter link, along with the establishment of stop condition automatically shutting engine down, automatically restart the such vehicle of motor from halted state along with the establishment of reset condition simultaneously, prior art is the braking sense that the moment of torsion change produces in order to eliminate owing to shutting engine down, and the oil pressure of reduction lock-up clutch and speed change clutch, thereby, reduce and impact.
But, before vehicle stops fully when the state of automatic shutting engine down quickens again, because the solid of rotation in the speed changer rotates corresponding to the speed of a motor vehicle, when therefore the speed discrepancy of clutch is big, if the binding strength of inappropriate solenoidoperated cluthes, then worry to impact or owing to excessive slip of generation and heating etc. cause the remarkable deterioration of clutch and breakage etc.
Summary of the invention
Thereby; the object of the invention is to provide a kind of controller of vehicle; before vehicle stops fully when the state of automatic shutting engine down quickens again; the most suitably control the binding strength of the clutch in the speed changer according to the speed of a motor vehicle and engine speed; thereby, the reduction of seeking to impact and the protection of clutch.
When motor stops and restarting, make clutch not impact, also can not damage clutch, also engaging is lagged behind, and must set the oil pressure that the subtend clutch is supplied with corresponding to the variation (moment of torsion rising) that stops from motor to the Engine torque of restarting.
But, owing to be the oil pressure that detects the rising change in torque ability solenoidoperated cluthes of motor, thereby in oil pressure control, lag behind, carry out optimal clutch engaging control and be difficult to follow change in torque.
For this reason, to when motor is restarted, follow the Engine torque variation and carry out the clutch oil pressure-controlled, according to the parameter corresponding to the current operating condition of expression is the aperture of the speed discrepancy of the speed of a motor vehicle, engine speed, engine speed and spindle speed or rotating ratio or gas pedal and predefined oil pressure is controlled, thereby follows the Engine torque variation as far as possible.
The 1st invention provides a kind of controller of vehicle of the automatic transmission that has motor and link with this motor, it is characterized in that possessing: stop decision maker automatically corresponding to what whether the vehicle operation condition judgement stopped above-mentioned motor automatically, be judged to be the automatic engine shutdown apparatus that stops above-mentioned motor when motor stops automatically automatically by the above-mentioned decision maker that stops automatically, judge the decision maker of restarting whether restart the above-mentioned motor that stops, be judged to be the restarting device of restarting above-mentioned motor when above-mentioned motor is restarted by the above-mentioned decision maker of restarting, the binding strength control gear of according to the speed of a motor vehicle binding strength that stops the friction apply important document of the starting level of the above-mentioned automatic transmission of engaging before the above-mentioned motor automatically being controlled when detecting the vehicle speed detector device of the speed of a motor vehicle and restarting above-mentioned motor.Binding strength control gear preferably, its control is to make the high more binding strength that reduces the friction apply important document more of the speed of a motor vehicle.
The 2nd invention provides a kind of controller of vehicle, when restarting motor, according to engine speed the binding strength that stops the friction apply important document of the starting level of the above-mentioned automatic transmission of engaging before the above-mentioned motor is automatically controlled.Preferably its control is to make the high more binding strength that increases the friction apply important document more of engine speed.
The 3rd invention provides a kind of controller of vehicle, when restarting motor, the binding strength that stops the friction apply important document of the starting level of the above-mentioned automatic transmission of engaging before the above-mentioned motor is automatically controlled according to the speed discrepancy of engine speed and spindle speed.Preferably its control is to make the big more binding strength that increases the friction apply important document more of speed discrepancy.
The 4th invention provides a kind of controller of vehicle, when restarting motor, the binding strength that stops the friction apply important document of the starting level of the above-mentioned automatic transmission of engaging before the above-mentioned motor is automatically controlled according to the rotating ratio of engine speed and spindle speed.Preferably its control is to make the big more binding strength that reduces the friction apply important document more of rotating ratio.
The 5th invention provides a kind of controller of vehicle, when restarting motor, according to the aperture of gas pedal the binding strength that stops the friction apply important document of the starting level of the above-mentioned automatic transmission of engaging before the above-mentioned motor is automatically controlled.Preferably its control is to make the big more binding strength that increases the friction apply important document more of the aperture of gas pedal.
According to the 1st invention, according to the speed of a motor vehicle binding strength that motor stops the preceding friction apply important document that engages with the starting level is controlled when restarting motor, thereby, can prevent since motor when restarting the friction apply important document engage the impact of generation suddenly and the deterioration and the breakage of the friction apply important document that produces owing to excessive slip.In addition, the engaging of friction apply important document can not lagged behind.
According to the 2nd invention,, thereby can reach effect same according to the binding strength of engine speed control friction apply important document.
According to the 3rd invention, control the binding strength of friction apply important document according to the speed discrepancy of engine speed and spindle speed, thereby can reach effect same.
According to the 4th invention, control the binding strength of friction apply important document according to the rotating ratio of engine speed and spindle speed, thereby can reach effect same.
According to the 5th invention, control the binding strength of friction apply important document according to the aperture of gas pedal, thereby can reach effect same.
Description of drawings
Fig. 1 is the summary pie graph that can be suitable for composite power vehicle of the present invention.
Fig. 2 is the frame pie graph of the control gear of the present invention's the 1st mode of execution.
Fig. 3 is the frame pie graph of the control gear of the present invention's the 2nd mode of execution.
Fig. 4 is the frame pie graph of the control gear of the present invention's the 3rd mode of execution.
Fig. 5 is the frame pie graph of the control gear of the present invention's the 4th mode of execution.
Fig. 6 is the frame pie graph of the control gear of the present invention's the 5th mode of execution.
Fig. 7 is the flow chart of the control processing of expression the present invention the 1st mode of execution.
Fig. 8 is the speed of a motor vehicle-oil pressure figure.
Fig. 9 is the time diagram of expression the 1st mode of execution.
Figure 10 is the flow chart of the control processing of expression the present invention the 2nd mode of execution.
Figure 11 is the figure of expression engine speed-oil pressure.
Figure 12 is the time diagram of expression the 2nd mode of execution.
Figure 13 is the flow chart of the control processing of expression the present invention the 3rd mode of execution.
Figure 14 is the figure of expression speed discrepancy-oil pressure.
Figure 15 is the time diagram of expression the 3rd mode of execution.
Figure 16 is the flow chart of the control processing of expression the present invention the 4th mode of execution.
Figure 17 is the figure of expression rotating ratio-oil pressure.
Figure 18 is the time diagram of expression the 4th mode of execution.
Figure 19 is the flow chart of the control processing of expression the present invention the 5th mode of execution.
Figure 20 is the figure of expression AP aperture-oil pressure.
Figure 21 is the time diagram of expression the 5th mode of execution.
Among the figure: the 2-motor; The 4-electric motor; The 6-fluid torque converter; The 8-lock-up clutch; 10-automatic transmission (step-by-step variable gear mechanism); 12-ECU; The 18-storage battery; The 22-mechanical type oil pump; The 24-electric oil pump; 25-oil pressure supply unit; 60-stops decision maker automatically; The 62-automatic engine shutdown apparatus; 64-restarts decision maker; 66-motor restarting device; The 68-vehicle speed detector device; 70,70A～70B-binding strength control gear.
Embodiment
Fig. 1 is the summary pie graph that expression can be suitable for composite power vehicle of the present invention.Also have, the present invention is not limited to the control gear of composite power vehicle, also can be applicable to have motor and automatic transmission, according to the automatic shutting engine down of vehicle driving condition, general vehicle that the motor that stops is restarted.
As shown in Figure 1, composite power vehicle possesses motor 2, electric motor 4, fluid torque converter 6, lock-up clutch 8, automatic transmission (step-by-step variable gear mechanism) 10, ECU (electronic operation device) 12, gear shift bar selector 14, MLP detection device 16, storage battery 18, power transfer unit (PDU) 20, mechanical type oil pump 22, electric oil pump 24.
Composite power vehicle also possesses engine rotation speed sensor 26, engine load sensor 28, spindle speed sensor 30, jack shaft speed probe 32, vehicle speed sensor 34, brake petal 31, braking sensor 33, step-up system 35, braking master hydraulic cylinder 36 and oil pressure sensor 37.
The bent axle 2a of motor 2 and electric motor (following also have the situation that only abbreviates motor as) 4 is connected.Motor 4 has the rotor that comprises the permanet magnet around being arranged on and comprises the stator that is arranged on the coil on the running shaft 4a that goes up and be fixed on motor 4 unshakable in one's determination.The running shaft 4a of motor 4 is connected with fluid torque converter 6.
Be provided with lock-up clutch 8 between worm gear 6c and protecgulum 6a, the control that this lock-up clutch 8 carries out according to the instruction of ECU12 by electric oil pump 24 is removed engaging and is removed thereby pushes and engage, push with protecgulum 6a to protecgulum 6a inner face.In the container that forms by protecgulum 6a and pump impeller 6b, enclose working oil (ATF:Automatic Transmission Fluid).
Remove in the instruction of sending under the state of lock-up clutch 8 engagings, allow the relative rotation of pump impeller 6b and worm gear 6c according to ECU12.Under this state, if being situated between, transmits to pump impeller 6b the moment of torsion of the running shaft 4a of motor 4 by protecgulum 6a, then be full of the working oil of container,, pass to worm gear 6c, drive main spindle 10a from pump impeller 6b → worm gear 6c → stator 6d circulation and with the rotation torque of pump impeller 6b via the rotation of pump impeller 6b.
In addition, make in the instruction of sending under the state of lock-up clutch 8 engagings, be not situated between by working oil from protecgulum 6a to worm gear 6c and directly transmit rotary driving force to main shaft 10a according to ECU12.
The fastening state of lock-up clutch 8 is variable, and it is variable from the rotary driving force that protecgulum 6a is delivered to worm gear 6c by lock-up clutch 8 to be situated between.Also have, (or disconnected) removed in the binding/binding that also engaging/non-engaging of lock-up clutch 8 can be called lock-up clutch 8.
Lock-up clutch 8 is made of wet multi-plate clutch etc., have: be fixed on the outer clutch plate on the protecgulum 6a, with the overlapped configuration of outer clutch plate and can with outer clutch plate butt, the internal clutch plate fixing with respect to main shaft 10a, via the illustrated oil pressure actuated device that do not have of ECU12 control.
The oil pressure actuated utensil has the piston that can dispose and form piston chamber slidably, and is corresponding with the working oil oil pressure of supplying with to piston chamber (below, LC oil pressure), thrust takes place, each outer clutch plate and internal clutch plate are engaged mutually, thereby the running shaft 4a and the main shaft 10a of motor 4 directly link.The working oil oil pressure of supplying with in piston chamber is controlled according to the clutch pressure command value that ECU12 sends, and can adjust the fastening state of lock-up clutch 12.
A plurality of gear mesh constitute with each the outlet side gear that is installed in jack shaft 10b by being installed in each input side gear of main shaft 10a, and each paired gear is engagement often each other.
The a certain side of each input side gear or each outlet side gear rotates freedom relatively with respect to main shaft 10a or jack shaft 10b, via each timing clutch, links with main shaft 10a or jack shaft 10b.
For example, among Fig. 1, be that an example is narrated with the right high-grade level (for example, 4 grades) of the forward gear in most gear mesh and 2 gear mesh of low-grade grade (for example, 1 grade).Right high-grade outlet side gear 40b and the right low-grade outlet side gear mesh 42b of low-grade side gear of high-grade side gear is wholely set with respect to jack shaft 10b.
The right low-grade input side gear of high-grade input side gear 40a that high-grade side gear is right and low-grade side gear is the drive idler gear that can rotate with respect to main shaft 10a to 42a, links with respect to main shaft 10a via each timing clutch 44,46.
Each timing clutch 44,46 for example, as shown in Figure 1, constitute by wet multi-plate clutch etc., have: each outer clutch plate 44a, the 46a that can dispose rotatably with main shaft 10a one, with outer clutch plate 44a, the overlapped configuration of 46a and can with outer clutch plate 44a, 46a butt, can be with respect to main shaft 10a with the input side 40a of drive idler gear, internal clutch plate 44b, 46b that the 42a one disposes rotatably with by the illustrated oil pressure actuated device that do not have of ECU12 control.
Each oil pressure actuated device, has the piston that can dispose and form piston chamber slidably, corresponding with the working oil oil pressure of supplying with to piston chamber, thrust takes place, each outer clutch plate 44a, 46a and each internal clutch plate 44b, 46b are engaged mutually, thereby, connect to one with the jack shaft 10b of automatic transmission 10 and any one of each input side gear 40a, 42a.The working oil oil pressure of supplying with in piston chamber is controlled according to the clutch pressure command value that ECU12 sends, and can adjust the fastening state of each timing clutch 44,46.
The outlet side master gear 50a that is wholely set with the jack shaft 10b of automatic transmission 10 with form master gear to engagement often with driving side master gear 50b that the axletree 52 that is connected driving wheel W is wholely set.
ECU12 has following function.The 1st figure with reference to the relation of the speed change level of storing the throttle opening and the speed of a motor vehicle and automatic transmission 10 in advance, calculate with by engine load sensor 26 detected throttle openings, by the corresponding speed change level of the vehicle speed sensor 34 detected speed of a motor vehicle, according to the corresponding clutch pressure command value of the fastening state of each timing clutch 44,46, the driving of control oil pressure actuated device and the gear shifting operation of automatic transmission 10.
As described later, the 2nd figure with reference to the relation of the binding/non-binding of storing the throttle opening and the speed of a motor vehicle and lock-up clutch 8 in advance, calculate with by engine load sensor 26 detected throttle openings, by the binding/non-binding of the corresponding lock-up clutch 8 of the vehicle speed sensor 34 detected speed of a motor vehicle, operating condition according to vehicle is exported the oil pressure command value of the binding/non-binding (or linking releasing) of lock-up clutches 8 to oil pressure supply unit 25, carries out the regeneration control regeneration of electric motor 4 simultaneously and forbids controlling.
Control by PDU20 stops from storage battery 18 to electric motor 4 power supplies, utilizes the driving force of transmitting to motor axis of rotation 4a from main shaft 10a and the electric power that takes place is situated between and is recovered to storage battery 18 by PDU20.
Shift position detection device 16, any one of P, N, R, D and the 3 grades～L that gear shift bar selector 14 is indicated exported to ECU12.Storage battery 18, the control by PDU20 makes the coil of current direction electric motor 4 drive electric motor 4, in addition, charges by the regeneration of electric motor 4.PDU20 is according to the control command of ECU12, utilizes storage battery 18 to drive the charging of the storage battery 18 that electric motors 4 and control undertaken by the regeneration of electric motor 4.
Directly linking fluid torque converter 6 again on the running shaft 4a of the motors 4 that directly link with motor 2, mechanical type oil pump 22 is situated between and is driven by the pump drive gear that combines with the pump shaft spline of fluid torque converter 6, thus can with the engine speed synchronization motion.When the regeneration of electric motor 4 neutralization stops etc., utilize the output of motor 2 and be driven.The oil circuit that comes out from mechanical type oil pump 22 is connected with oil pressure supply unit 25.
The rotating speed of the bent axle 2a of engine rotation speed sensor 26 detection of engine 2.Engine load sensor 28 detects throttle opening.Spindle speed sensor 30 detects the rotating speed of main shaft 10a.
Jack shaft speed probe 32 detects the rotating speed of jack shaft 10b.Vehicle speed sensor 34 for example detects the speed of a motor vehicle according to the rotational speed of driving wheel W.The testing signal of sensor 26～34 is imported into ECU12.
31 is brake petal, if stepping on 31 braking sensors 33 of brake petal is switched on, the power of stepping on of brake petal 31 is transmitted by reinforcement and to braking main oil pressure cylinder 36 via the step-up system 35 of oil pressure booster type simultaneously.
Particularly, do not illustrate, but, step-up system 35 and braking main oil pressure cylinder 36 are connected with oil pressure supply unit 25, supply with oil pressure from oil pressure supply unit 25.The oil pressure of braking main oil pressure cylinder 36 is detected by oil pressure sensor 37, and its testing signal is imported into ECU12.The testing signal of braking sensor 33 also is imported into ECU12.
With reference to Fig. 2, then represent the block diagram of the control gear of the present invention's the 1st mode of execution.Automatically stop decision maker 60, whether automatically to judge shutting engine down according to the operating condition of vehicle.Under the state of disconnect in gas pedal, break being connected, the speed of a motor vehicle automatic shutting engine down when for example 16km/h is following.
Be judged to be motor when stopping automatically stopping decision maker 60 automatically, utilize automatic engine shutdown apparatus 62 automatic shutting engine downs.The stopping automatically of motor comprises that fuel cut-off and igniting cut off.At that time, also utilize electric motor 4 to carry out the effort of shutting engine down 2.
When motor has stopped, be under the condition that the above-mentioned speed of a motor vehicle (16km/h) and throttle disconnect, to change high gear to carry out common 2 grades and travel, the oil pressure of 2 grades of clutches reduced.Restart decision maker 64, judge and whether restart shutting engine down.That is, restart according to break disconnection or throttle connection judgement motor.
When restarting decision maker 64 and judge that motors are restarted, carry out motor by motor restarting device 66 and restart.In the composite power vehicle shown in Figure 1, carry out restarting of motor 2 by electric motor 4.In the general vehicle, carry out restarting of motor by stator.
Vehicle speed detector device 68 detects the speed of a motor vehicle.Binding strength control gear 70, when restarting motor, the binding strength of the friction apply important document (2 grades of clutches) of the starting level of the automatic transmission that engages before to automatic shutting engine down according to the speed of a motor vehicle is controlled.Preferably, to be that the speed of a motor vehicle is high more make it reduce more in its control.
Like this, by the binding strength of solenoidoperated cluthes, thereby, can prevent since motor when restarting clutch engage the impact of generation and clutch deterioration that causes owing to excessive slip and breakage etc. suddenly.
When vehicle has stopped fully, utilize electric oil pump 24 that oil pressure takes place, to engage the state standby of 2 grades of clutches fully.During starting, utilize electric motor 4 (or stator) to pilot engine and 2 simultaneously utilize electric motor 4 to travel a little.
Fig. 3 represents the block diagram of the control gear of the present invention's the 2nd mode of execution.In the explanation of present embodiment and other mode of executions, attached about the component part same shown in Figure 2 with prosign with the 1st mode of execution, omit its explanation for fear of repetition.
Among Fig. 3, engine speed detection device 72 detection of engine rotating speeds.Binding strength control gear 70A, when restarting motor, the binding strength of the friction apply important document (2 grades of clutches) of the starting level of the automatic transmission that engages before to automatic shutting engine down according to engine speed is controlled.Preferably, to be that engine speed is high more make its increase more in its control.
Fig. 4 represents the block diagram of the control gear of the present invention's the 3rd mode of execution.Engine speed detection device 72 detection of engine rotating speeds, device for detecting speed of mainshaft 74 detects the rotating speed of the main shaft of automatic transmission.Speed discrepancy calculating apparatus 76 is calculated the speed discrepancy of engine speed and spindle speed.
Binding strength control gear 70B, when restarting motor, the binding strength of the friction apply important document (2 grades of clutches) of the starting level of the automatic transmission that engages before to automatic shutting engine down according to the speed discrepancy of engine speed and spindle speed is controlled.Preferably, to be that speed discrepancy is big more make its increase more in its control.
Fig. 5 represents the block diagram of the control gear of the present invention's the 4th mode of execution.Rotating ratio calculating apparatus 78 is calculated the rotating ratio of engine speed and spindle speed.Binding strength control gear 70C, when restarting motor, the binding strength of the friction apply important document (2 grades of clutches) of the starting level of the automatic transmission that engages before to automatic shutting engine down according to the rotating ratio of engine speed and spindle speed is controlled.Preferably, to be that rotating ratio is big more make it reduce more in its control.
Fig. 6 represents the block diagram of the control gear of the present invention's the 5th mode of execution.Accelerator open degree detection device 80 detects the aperture of gas pedal.Binding strength control gear 70D, when restarting motor, the binding strength of the friction apply important document (2 grades of clutches) of the starting level of the automatic transmission that engages before to automatic shutting engine down according to the gas pedal aperture is controlled.Preferably, to be that the aperture of gas pedal is big more make its increase more in its control.
Next, with reference to the flow chart of Fig. 7, describe about the control processing of the control gear of the present invention's the 1st mode of execution.At first, at step S10, judge whether the operating condition of vehicle satisfies the automatic stop condition of motor.For example, gas pedal disconnects, break is connected, the speed of a motor vehicle is 16km/h when following, is judged to be and satisfies the automatic stop condition of motor.
When step S10 makes sure judgement, enter the automatic shutting engine down of step S11.That is, thus cut off shutting engine down automatically by fuel cut-off and igniting.At that time, also carry out the effort of shutting engine down 2 by electric motor 4.When motor has stopped, be under the condition that the above-mentioned speed of a motor vehicle (16km/h) and throttle disconnect, to change high gear to carry out common 2 grades and travel, the oil pressure of 2 grades of clutches reduced.
Among the step S12, judge and whether satisfy motor restart condition.For example, break disconnects, throttle is connected then to be judged to be and satisfied motor restart condition.When step S12 makes sure judgement, enter step S13 and restart motor.That is, utilize electric motor 4 (or stator) to carry out restarting of motor 2.
Among the step S14, detect the speed of a motor vehicle when restarting motor, enter the step S15 retrieval speed of a motor vehicle-oil pressure figure as shown in Figure 8.And the speed of a motor vehicle during according to starting determines the control oil pressure of 2 grades of clutches.Step S10 and step S12 conduct finish this processing when negating judgement.
The speed of a motor vehicle and jack shaft rotating speed are ratio, thereby must consider the speed discrepancy of spindle speed and intermediate speed and set the control oil pressure.As shown in Figure 8, preferably the speed of a motor vehicle is high more sets oil pressure low more.For example, the speed of a motor vehicle is 10km/h, and then the control oil pressure with 2 grades of clutches is set at 2kgf/cm
2
Along with clutch rotational speed raises, then the centrifugal force that self takes place owing to oil in the clutch has binding strength self tendency stronger than the control oil pressure of supplying with to clutch (with the ratio that square is of rotating speed), therefore, when the speed of a motor vehicle is high, when main shaft or jack shaft rotating speed are high, has the strong tendency of binding strength when lower than the speed of a motor vehicle.Thereby, to impact, reduce the clutch that causes owing to excessive slip in order reducing effectively and to damage and when the speed of a motor vehicle is high, will control oil pressure and set lowly.
When vehicle has stopped fully, utilize electric oil pump 24 that oil pressure takes place, to engage the state standby of 2 grades of clutches fully.During starting, utilize electric motor 4 (or stator) to pilot engine and 2 simultaneously utilize electric motor 4 to travel on a small quantity a little.That is, the impact when suppressing engine start is to the tyre side transmission, do not use 1 grade and with 2 grades of startings.
Fig. 9 represents the time diagram of the 1st mode of execution that the flow chart with reference to Fig. 7 describes.As indicated in Fig. 9, when restarting motor (engine start is masked as at 1 o'clock), the speed of a motor vehicle is high more to be set the oil pressure of 2 grades of clutches high more.
Figure 10 represents the flow chart of the control processing of the present invention's the 2nd mode of execution.Step S20～step S23 and step S10～step S13 shown in Figure 7 are same, therefore, omit its explanation for fear of repetition.
In the present embodiment, step S24 detects the engine speed when restarting motor.And, retrieval engine speed-oil pressure figure as shown in figure 11 in step S25, the control oil pressure of 2 grades of clutches when restarting according to engine speed decision motor.That is, the high more oil pressure of will controlling more of engine speed is set highly.
Engine speed and oil pump oil pressure are ratio, thereby must consider the responsiveness of oil pressure and carry out oil pressure and set.Preferably the high more oil pressure of engine speed is set highly more.For example, engine speed 1000rpm then is set at 2kgf/cm with oil pressure
2
If engine speed raises, then, therefore, must consider the filling time of clutch, and when engine speed is high more, set oil pressure high more owing to clutch configuration has long tendency of filling time from the influence of centrifugal force to clutch that supply with oil under.
In addition, as engine characteristics, be when restarting motor, Engine torque increases along with the engine speed rising, thereby to impact, reduces the clutch that causes owing to excessive slip in order reducing effectively and to damage and will control oil pressure and set highly when engine speed is high.
Figure 12 represents the time diagram of the 2nd mode of execution that the flow chart with reference to Figure 10 describes.As indicated in Figure 12, engine speed is high more will be set highly as the oil pressure of 2 grades of clutches of starting level more.
Figure 13 represents the flow chart of the control processing of the present invention's the 3rd mode of execution.The step S30 of present embodiment～step S33 and step S10～step S13 shown in Figure 7 are same, therefore, omit its explanation for fear of repetition.
In the present embodiment, step S34 detection of engine rotating speed detects spindle speed in step S35.And, the speed discrepancy of calculating engine speed and spindle speed in step 36.
And, as shown in figure 14 speed discrepancy-oil pressure figure of retrieval in step 37, speed discrepancy is big more will be set highly as the control oil pressure of 2 grades of clutches of starting level more.
When automatic transmission has fluid torque converter, according to engine speed and spindle speed, the torque ratio that decision is imported to automatic transmission, thereby must consider that moment of torsion carries out oil pressure and sets.For example, speed discrepancy is that 200rpm then is set at 2kgf/cm with oil pressure
2Preferably speed discrepancy is high more sets oil pressure high more.
Have in the automatic transmission of fluid torque converter, if engine speed is than jack shaft rotating speed height, then carry out moment of torsion amplification and raise, thereby impact, reduce because the clutch damage that excessive slip causes greatly then will be pressed as if speed discrepancy sets highly in order to reduce effectively to the moment of torsion of speed changer input by fluid torque converter.
Figure 15 represents the time diagram of the 3rd mode of execution that the flow chart with reference to Figure 13 describes.As indicated in Figure 15, the speed discrepancy when motor is restarted is big more to be set the oil pressure of 2 grades of clutches high more more.
Figure 16 represents the flow chart of the control processing of the present invention's the 4th mode of execution.The step S40 of present embodiment～step S43 and step S10～step S13 shown in Figure 7 are same, therefore, omit its explanation for fear of repetition.
In the present embodiment, step S44 detection of engine rotating speed detects spindle speed in step S45.Calculate the rotating ratio of engine speed and spindle speed in step 46.
And, enter step 47, as shown in figure 17 rotating ratio-oil pressure figure of retrieval, rotating ratio is big more will be set lowly as the control oil pressure of 2 grades of clutches of starting level more.For example, rotating ratio is 0.5 oil pressure is set at 2kgf/cm
2
Have in the automatic transmission of fluid torque converter, if engine speed is than jack shaft rotating speed height, then carry out moment of torsion amplification and raise, thereby impact, reduce because the clutch damage that excessive slip causes is then set oil pressure low when high as if rotating ratio in order to reduce effectively to the moment of torsion of speed changer input by fluid torque converter.
Figure 18 represents the time diagram of the 4th mode of execution that the flow chart with reference to Figure 16 describes.As indicated in Figure 18, the rotating ratio when motor is restarted is more little to be set the oil pressure of 2 grades of clutches high more more.
Figure 19 represents the flow chart of the control processing of the present invention's the 5th mode of execution.The step S50 of present embodiment～step S53 and step S10～step S13 shown in Figure 7 are same, therefore, omit its explanation for fear of repetition.
In the present embodiment, step S54 detects the aperture of gas pedal.As shown in figure 20 AP aperture-oil pressure figure of retrieval in step S55, the aperture of gas pedal is big more will be set highly as the oil pressure of 2 grades of clutches of starting level more.
Along with the increase of gas pedal aperture,, therefore, must carry out oil pressure according to the size of moment of torsion and set to the moment of torsion increase of speed changer input.For example, the AP aperture is 1/8 o'clock, and oil pressure is set at 2kgf/cm
2Preferably the AP aperture is big more sets oil pressure high more.
Owing to set for, thereby set highly in order to reduce effectively to impact, reduce when the aperture of gas pedal is big more, will press because the clutch that excessive slip causes damages if the aperture of gas pedal increases the moment of torsion that then increases engine on and motor.
Figure 21 represents the time diagram of the 5th mode of execution that the flow chart with reference to Figure 19 describes.The clutch pressure of AP aperture=2/8 o'clock represents with solid line, and the clutch pressure of AP aperture=1/8 o'clock is represented by dotted lines.
As indicated in Figure 21, the AP aperture when motor is restarted is big more will be set highly more as the oil pressure of 2 grades of clutches of starting level more.
Claims (1)
1. the automatic transmission that controller of vehicle, this vehicle have motor and link with this motor is characterized in that possessing:
Automatically stop decision maker, whether stop above-mentioned motor automatically corresponding to the vehicle operation condition judgement;
Automatic engine shutdown apparatus being judged to be motor when stopping automatically by the above-mentioned decision maker that stops automatically, stops above-mentioned motor automatically;
Restart decision maker, judge and whether restart the above-mentioned motor that is stopping;
The motor restarting device being judged to be above-mentioned motor when restarting by the above-mentioned decision maker of restarting, is restarted this motor;
Engine speed detection device, the detection of engine rotating speed;
Device for detecting speed of mainshaft detects the spindle speed of above-mentioned automatic transmission;
The binding strength control gear when restarting above-mentioned motor, is controlled the binding strength that stops the friction apply important document of the starting level of the above-mentioned automatic transmission of engaging before the above-mentioned motor automatically according to the rotating ratio of engine speed and spindle speed.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2004349046A JP4807697B2 (en) | 2004-12-01 | 2004-12-01 | Vehicle control device |
| JP2004349046 | 2004-12-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1782350A CN1782350A (en) | 2006-06-07 |
| CN100412337C true CN100412337C (en) | 2008-08-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101084289A Expired - Fee Related CN100412337C (en) | 2004-12-01 | 2005-10-09 | Vehicle controller |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4807697B2 (en) |
| CN (1) | CN100412337C (en) |
Families Citing this family (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4831172B2 (en) * | 2009-01-16 | 2011-12-07 | 株式会社デンソー | Automatic stop / start control device for internal combustion engine |
| JP5237152B2 (en) * | 2009-02-24 | 2013-07-17 | ヤンマー株式会社 | Engine control device |
| JP5158108B2 (en) | 2009-03-04 | 2013-03-06 | 株式会社デンソー | Vehicle control device |
| JP5170007B2 (en) * | 2009-06-15 | 2013-03-27 | 株式会社デンソー | Automatic stop / start control device for internal combustion engine |
| JP5534212B2 (en) * | 2010-09-28 | 2014-06-25 | 株式会社デンソー | Vehicle control device |
| JP5526006B2 (en) * | 2010-11-25 | 2014-06-18 | ジヤトコ株式会社 | Coast stop vehicle and coast stop vehicle control method |
| US8594912B2 (en) * | 2011-04-28 | 2013-11-26 | GM Global Technology Operations LLC | Stop/start control systems and methods for internal combustion engines |
| US9452756B2 (en) * | 2011-08-29 | 2016-09-27 | Toyota Jidosha Kabushiki Kaisha | Vehicle control system |
| KR101587747B1 (en) * | 2011-08-31 | 2016-01-21 | 쟈트코 가부시키가이샤 | Coasting stop vehicle and control method for the same |
| JP5803626B2 (en) * | 2011-12-02 | 2015-11-04 | トヨタ自動車株式会社 | Vehicle control device |
| JP5756002B2 (en) * | 2011-12-09 | 2015-07-29 | ジヤトコ株式会社 | Vehicle control apparatus and vehicle control method |
| DE102013100207B4 (en) * | 2012-01-11 | 2024-02-29 | Ford Global Technologies, Llc | Method and system for controlling a transmission which is connected to a machine which can be stopped automatically |
| JP6036121B2 (en) * | 2012-10-01 | 2016-11-30 | トヨタ自動車株式会社 | Control device for automatic stop and restart of engine in vehicle |
| JP6091169B2 (en) * | 2012-11-12 | 2017-03-08 | ダイハツ工業株式会社 | Vehicle control device |
| JP5862803B2 (en) * | 2012-12-25 | 2016-02-16 | アイシン・エィ・ダブリュ株式会社 | Transmission control apparatus and control method |
| JP5863837B2 (en) * | 2013-03-07 | 2016-02-17 | 本田技研工業株式会社 | Automatic transmission |
| WO2014156406A1 (en) * | 2013-03-26 | 2014-10-02 | 株式会社デンソー | Straddle-type vehicle engine controlling device |
| JP6186943B2 (en) * | 2013-06-27 | 2017-08-30 | アイシン精機株式会社 | Vehicle drive device |
| GB2516231A (en) * | 2013-07-15 | 2015-01-21 | Jaguar Land Rover Ltd | Vehicle and method of control thereof |
| JP6647748B2 (en) * | 2015-08-28 | 2020-02-14 | ダイハツ工業株式会社 | Vehicle control device |
| KR101745168B1 (en) * | 2015-11-03 | 2017-06-08 | 현대자동차주식회사 | Control method for vehicle |
| CN108869721B (en) * | 2017-05-08 | 2020-07-03 | 上海汽车集团股份有限公司 | Vehicle starting control method, device and system |
| CN109854733A (en) * | 2017-11-30 | 2019-06-07 | 长城汽车股份有限公司 | Starting control method, system and the vehicle of speed changer |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0989299A1 (en) * | 1998-09-18 | 2000-03-29 | Toyota Jidosha Kabushiki Kaisha | Vehicular engine control apparatus |
| JP2000127800A (en) * | 1998-10-20 | 2000-05-09 | Toyota Motor Corp | Automatic start and stop device for engine |
| JP2002364403A (en) * | 2001-06-04 | 2002-12-18 | Denso Corp | Automatic engine stop and start control device |
| US6556910B2 (en) * | 2001-08-31 | 2003-04-29 | Aisin Aw Co., Ltd. | Control apparatus and method for vehicle having an idle stop function |
| CN1475382A (en) * | 2002-07-10 | 2004-02-18 | 铃木株式会社 | Vehicle controlling device and method |
| US20040038774A1 (en) * | 2002-08-22 | 2004-02-26 | Honda Giken Kogyo Kabushiki Kaisha | Hydraulic control apparatus for hybrid vehicle |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07113408B2 (en) * | 1989-02-28 | 1995-12-06 | 日産自動車株式会社 | Hydraulic control device for automatic transmission |
| JP3870505B2 (en) * | 1997-08-29 | 2007-01-17 | アイシン・エィ・ダブリュ株式会社 | Hybrid drive device for vehicle |
| JP4626073B2 (en) * | 2001-03-19 | 2011-02-02 | 株式会社デンソー | Engine automatic stop start device |
| JP4206126B2 (en) * | 2002-09-26 | 2009-01-07 | ジヤトコ株式会社 | Automatic transmission gear shifting hydraulic system |
| JP2004225576A (en) * | 2003-01-21 | 2004-08-12 | Suzuki Motor Corp | Automatic stop and start control device for engine |
-
2004
- 2004-12-01 JP JP2004349046A patent/JP4807697B2/en not_active Expired - Fee Related
-
2005
- 2005-10-09 CN CNB2005101084289A patent/CN100412337C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0989299A1 (en) * | 1998-09-18 | 2000-03-29 | Toyota Jidosha Kabushiki Kaisha | Vehicular engine control apparatus |
| JP2000127800A (en) * | 1998-10-20 | 2000-05-09 | Toyota Motor Corp | Automatic start and stop device for engine |
| JP2002364403A (en) * | 2001-06-04 | 2002-12-18 | Denso Corp | Automatic engine stop and start control device |
| US6556910B2 (en) * | 2001-08-31 | 2003-04-29 | Aisin Aw Co., Ltd. | Control apparatus and method for vehicle having an idle stop function |
| CN1475382A (en) * | 2002-07-10 | 2004-02-18 | 铃木株式会社 | Vehicle controlling device and method |
| US20040038774A1 (en) * | 2002-08-22 | 2004-02-26 | Honda Giken Kogyo Kabushiki Kaisha | Hydraulic control apparatus for hybrid vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2006153246A (en) | 2006-06-15 |
| JP4807697B2 (en) | 2011-11-02 |
| CN1782350A (en) | 2006-06-07 |
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