CN106314417B - A kind of starting system, automobile and method - Google Patents
A kind of starting system, automobile and method Download PDFInfo
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- CN106314417B CN106314417B CN201510335276.XA CN201510335276A CN106314417B CN 106314417 B CN106314417 B CN 106314417B CN 201510335276 A CN201510335276 A CN 201510335276A CN 106314417 B CN106314417 B CN 106314417B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/02—Conjoint control of vehicle sub-units of different type or different function including control of driveline clutches
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/18—Conjoint control of vehicle sub-units of different type or different function including control of braking systems
- B60W10/184—Conjoint control of vehicle sub-units of different type or different function including control of braking systems with wheel brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
- B60W40/09—Driving style or behaviour
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
- B60W40/10—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to vehicle motion
- B60W40/105—Speed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/02—Clutches
- B60W2510/0208—Clutch engagement state, e.g. engaged or disengaged
- B60W2510/0225—Clutch actuator position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2510/00—Input parameters relating to a particular sub-units
- B60W2510/18—Braking system
- B60W2510/182—Brake pressure, e.g. of fluid or between pad and disc
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/10—Longitudinal speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2520/00—Input parameters relating to overall vehicle dynamics
- B60W2520/18—Roll
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/10—Accelerator pedal position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2540/00—Input parameters relating to occupants
- B60W2540/16—Ratio selector position
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/02—Clutches
- B60W2710/021—Clutch engagement state
- B60W2710/023—Clutch engagement rate
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W2710/00—Output or target parameters relating to a particular sub-units
- B60W2710/18—Braking system
- B60W2710/182—Brake pressure, e.g. of fluid or between pad and disc
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- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Mathematical Physics (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Regulating Braking Force (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention discloses a kind of starting system, automobile and methods.The starting system includes: vehicle condition detection device, control unit, line traffic control clutch and brake auxiliary device；Vehicle condition detection device detects the current state of vehicle, and current state output signals are transmitted to control unit；The control unit sends control signal to line traffic control clutch and brake auxiliary device respectively according to current state output signals, controls vehicle start.In the present invention, control unit controls line traffic control clutch and brake auxiliary device according to the current state output signals obtained from vehicle condition detection device, to realize control vehicle start.Further, control car ramp starting is especially realized, the danger that car slipping occurs in uphill starting is prevented, improves the safety of uphill starting.
Description
Technical field
The present invention relates to engineering machinery field, in particular to a kind of starting system, automobile and method.
Background technique
Uphill starting is the driving cycles that driver frequently encounters while the car is driving.When automobile is temporary or long
Between when being parked on ramp, need driver to slam brake pedal or pull-up parking brake, to prevent car slipping.For both feelings
Condition will be related to uphill starting problem when starting to walk again.
Uphill starting is the prerequisite basic skills of driver, but many drivers especially new hand is difficult flexibly to slap
Control usually will appear the flame-out car slipping or starting is unstable makes a dash forward of perhaps starting to walk of starting.According to statistics, due to uphill starting
Car accident caused by car slipping shows an increasing trend year by year.Investigation display, for manual transmission driver in ramp
In starting-up process, having the driver of 2~5 year driving age that car slipping and flame-out probability occurs is 10%, of substantially equal.Driving age is 10 years
And the above driver, the probability for slipping by slope and stopping working is 4%.Even experienced driver, when driving different automobiles,
Since the position of clutch idle stroke and semi-linkage will be different, it is also desirable to have a known process to automobile.Therefore slope
Road starting is a difficult point in driver behavior.
Currently, uphill starting system is broadly divided into mechanical and electric-controlled type.For mechanical uphill starting system, machine
Structure is complicated for tool, at high cost, and not smart enoughization.And the uphill starting system of electric-controlled type, based on automatic transmission, ramp is passed
The ramp angles signal of induction is sent to entire car controller by sensor, entire car controller ramp angles signal, shelves based on the received
Position signal, speed signal, service brake signal and throttle signal determine the control signal of motor control module, use motor driven vehicle
Wheel carries out uphill starting；Or control braking system, so that driver is tieed up the pressure in braking system when discharging brake pedal
Hold 2s or so.This automatically controlled scheme is chiefly used in automatic transmission vehicle, and is unable to control clutch, air throttle, between braking system
Optimum Matching relationship.
Summary of the invention
The technical problem that present invention needs solve is: providing the auxiliary system or method when a kind of vehicle starting.
According to the first aspect of the invention, a kind of starting system is provided, comprising: vehicle condition detection device, control are single
Member, line traffic control clutch and brake auxiliary device；The current state of vehicle condition detection device detection vehicle, and by current shape
State signal is transmitted to described control unit；Described control unit is according to the current state output signals respectively to the line traffic control clutch
Control signal is sent with the brake auxiliary device, controls vehicle start.
Further, the vehicle condition detection device includes: vehicle speed sensor, for measuring the speed of the vehicle, and
The speed is transmitted to described control unit；Obliquity sensor is passed for measuring the inclination angle of the vehicle, and by the inclination angle
Transport to described control unit；Wherein, described control unit is when the speed is 0 and the inclination angle is greater than default inclination value, to
The line traffic control clutch sends clutch and is detached from combination control signal, and sends starting control to the brake auxiliary device and believe
Number.
Further, the vehicle condition detection device further include: engine load sensor, for measuring opening for air throttle
Degree, and the aperture is transmitted to described control unit；Pressure sensor, the pressure in master cylinder for measuring vehicle,
And by the pressure transmission to described control unit；Gear position sensor is transmitted for measuring the gear of vehicle, and by the gear
To described control unit；Wherein, described control unit judges whether the gear is 1 grade or reverse gear, if it is, according to described
The aperture of air throttle and the pressure of the master cylinder send clutch to the line traffic control clutch and combine control signal, control from
The combination degree of clutch.
Further, the vehicle condition detection device further include: clutch oil cylinder displacement sensor is used for gaging clutch
The displacement of oil cylinder, and the displacement is transmitted to described control unit；Wherein, described control unit is according to the displacement
Obtain the combination degree of clutch.
Further, the line traffic control clutch includes: variable pump, clutch control valve and clutch oil cylinder；The control is single
Member clutch according to the pressure control clutch control Vavle switching in the aperture of the air throttle and the master cylinder
The direction of motion of device oil cylinder, and control the variable pump and hydraulic oil is transported to the clutch oil cylinder from fuel tank, with control
The combination degree of the clutch.
Further, the line traffic control clutch further include: tension sensor, for the pulling force of gaging clutch pedal, and will
Pulling force signal is transmitted to described control unit；Wherein, described control unit controls the clutch according to the pulling force signal
Combination degree.
Further, the brake auxiliary device includes: brake pump, brake control valve, brake-pressure controller and overflow
Valve；Described control unit sends braking to the brake auxiliary device and executes control signal, switches the work of the brake control valve
Make position, closes the brake-pressure controller, hydraulic oil to be transported in wheel braking wheel cylinder by the brake pump,
Brake(-holder) block is pushed to brake wheel；When the pressure reaches preset pressure value, the work of the brake control valve is kept
Position is constant, and the overflow valve starts overflow；And change in the aperture of the air throttle, that is, when preparing starting, to the system
Dynamic pressure draught control mechanism is adjusted, and reduces the pressure of the master cylinder.
Further, described control unit judges whether to stop working, if it is, keeping braking stationary state；Otherwise judge vehicle
Whether speed is greater than pre-set velocity value, if it is, determining that vehicle completes starting, the brake-pressure controller is fully opened；
Otherwise control signal is sent to the line traffic control clutch and the brake auxiliary device respectively again.
According to the second aspect of the invention, a kind of automobile is provided, comprising: start to walk system as previously described.
According to the third aspect of the invention we, a kind of method for starting is provided, comprising: vehicle condition detection device detects vehicle
Current state, and current state output signals are transmitted to control unit；Described control unit is according to the current state output signals point
Control signal is not sent to line traffic control clutch and brake auxiliary device, controls vehicle start.
Further, the current state of vehicle condition detection device detection vehicle, and current state output signals are transmitted to control
The step of unit, includes: the speed that vehicle speed sensor measures the vehicle, and the speed is transmitted to described control unit；Incline
Angle transducer measures the inclination angle of the vehicle, and the inclination angle is transmitted to described control unit；Described control unit is according to institute
The step of current state output signals send control signal to line traffic control clutch and brake auxiliary device respectively, control vehicle start is stated to wrap
Include: described control unit when the speed is 0 and the inclination angle is greater than default inclination value, Xiang Suoshu line traffic control clutch send from
Clutch, which is detached from, combines control signal, and sends starting control signal to the brake auxiliary device.
Further, the current state of vehicle condition detection device detection vehicle, and current state output signals are transmitted to control
The step of unit further include: engine load sensor measures the aperture of air throttle, and the aperture is transmitted to the control
Unit；Pressure sensor measures the pressure in the master cylinder of vehicle, and by the pressure transmission to described control unit；Gear
The gear of sensor measurement vehicle, and the gear is transmitted to described control unit；Described control unit is according to described current
The step of status signal sends control signal to line traffic control clutch and brake auxiliary device respectively, controls vehicle start further include:
Described control unit judges whether the gear is 1 grade or reverse gear, if it is, according to the aperture of the air throttle and the system
The pressure of dynamic master cylinder sends clutch to the line traffic control clutch and combines control signal, controls the combination degree of clutch.
Further, the current state of vehicle condition detection device detection vehicle, and current state output signals are transmitted to control
The step of unit further include: the displacement of clutch oil cylinder displacement sensor clutch oil cylinder, and the displacement is passed
Transport to described control unit；Described control unit is according to the current state output signals respectively to line traffic control clutch and braking auxiliary dress
The step of setting transmission control signal, controlling vehicle start further include: described control unit obtains clutch according to the displacement
Combination degree.
Further, described control unit sends clutch knot to the line traffic control clutch according to the aperture and the pressure
Close control signal, the step of controlling the combination degree of clutch include: described control unit according to the aperture of the air throttle and
The direction of motion of pressure control clutch control valve switch clutch oil cylinder in the master cylinder, and controlling variable pump will
Hydraulic oil is transported to the clutch oil cylinder from fuel tank, to control the combination degree of the clutch.
Further, described control unit is according to the current state output signals respectively to line traffic control clutch and brake auxiliary device
The step of sending control signal, controlling vehicle start further include: described control unit sends to the brake auxiliary device and brakes
Control signal is executed, the operating position of brake control valve is switched, closes brake-pressure controller, it will be hydraulic to pass through brake pump
Oil is transported in wheel braking wheel cylinder, and brake(-holder) block is pushed to brake wheel；When the pressure reaches preset pressure value, protect
The operating position for holding the brake control valve is constant, and overflow valve starts overflow；And change in the aperture of the air throttle, i.e., it is quasi-
When standby starting, the brake-pressure controller is adjusted, the pressure of the master cylinder is reduced.
Further, described control unit is according to the current state output signals respectively to line traffic control clutch and brake auxiliary device
The step of sending control signal, controlling vehicle start further include: described control unit judges whether to stop working, if it is, keeping
Brake stationary state；Otherwise judge whether speed is greater than pre-set velocity value, if it is, determine that vehicle completes starting, it will be described
Brake-pressure controller fully opens；Otherwise control is sent to the line traffic control clutch and the brake auxiliary device respectively again
Signal.
In the present invention, vehicle condition detection device detects the current state of vehicle, and current state output signals are transmitted to control
Unit processed, control unit control line traffic control clutch and braking according to the current state output signals obtained from vehicle condition detection device
Auxiliary device, to realize control vehicle start.Further, control car ramp starting is especially realized, is prevented
The danger that car slipping occurs when uphill starting, improves the safety of uphill starting.
By referring to the drawings to the detailed description of exemplary embodiment of the present invention, other feature of the invention and its
Advantage will become apparent.
Detailed description of the invention
The attached drawing for constituting part of specification describes the embodiment of the present invention, and together with the description for solving
Release the principle of the present invention.
The present invention can be more clearly understood according to following detailed description referring to attached drawing, in which:
Fig. 1 is the structure connection block diagram for schematically showing starting system according to some embodiments of the invention.
Fig. 2 is the structure connection block diagram for schematically showing the starting system of other embodiments according to the present invention.
Fig. 3 is the stress diagram shown when vehicle according to an embodiment of the present invention is located at ramp.
Fig. 4 is the schematic diagram for schematically showing line traffic control clutch according to some embodiments of the invention.
Fig. 5 is the schematic diagram for schematically showing brake auxiliary device according to some embodiments of the invention.
Fig. 6 is the flow chart for showing method for starting according to some embodiments of the invention.
Fig. 7 is the flow chart for showing the method for starting of other embodiments according to the present invention.
Specific embodiment
Carry out the various exemplary embodiments of detailed description of the present invention now with reference to attached drawing.It should also be noted that unless in addition having
Body explanation, the unlimited system of component and the positioned opposite of step, numerical expression and the numerical value otherwise illustrated in these embodiments is originally
The range of invention.
Simultaneously, it should be appreciated that for ease of description, the size of various pieces shown in attached drawing is not according to reality
Proportionate relationship draw.
Be to the description only actually of at least one exemplary embodiment below it is illustrative, never as to the present invention
And its application or any restrictions used.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.
It is shown here and discuss all examples in, any occurrence should be construed as merely illustratively, without
It is as limitation.Therefore, the other examples of exemplary embodiment can have different values.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, then in subsequent attached drawing does not need that it is further discussed.
Fig. 1 is the structure connection block diagram for schematically showing starting system according to some embodiments of the invention.Such as Fig. 1 institute
Show, starting system 100 includes: vehicle condition detection device 101, control unit 102, line traffic control clutch 103 and braking auxiliary dress
Set 104.Vehicle condition detection device 101, line traffic control clutch 103 and brake auxiliary device 104 are connect with control unit 102 respectively
(such as electrical connection).
Vehicle condition detection device 101 detects the current state of vehicle, and current state output signals are transmitted to control unit
102；Control unit 102 sends control to line traffic control clutch 103 and brake auxiliary device 104 respectively according to the current state output signals
Signal controls vehicle start.For example, the starting system can be applied on manual gear vehicle.In another example control unit can be
ECU (Electronic Control Unit, electronic control unit).
In this embodiment, control unit is according to the current state output signals obtained from vehicle condition detection device come control line
Clutch and brake auxiliary device are controlled, to realize control vehicle start.Further, control vehicle slope is especially realized
Road starting prevents the danger that car slipping occurs in uphill starting, improves the safety of uphill starting.
Fig. 2 is the structure connection block diagram for schematically showing the starting system of other embodiments according to the present invention.Such as Fig. 2
Shown, starting system 200 includes: vehicle condition detection device 201, control unit 202, line traffic control clutch 203 and braking auxiliary
Device 204.Wherein, the vehicle condition detection device 201 in Fig. 2, control unit 202, line traffic control clutch 203, braking auxiliary dress
Set 204 respectively with the vehicle condition detection device 101 in Fig. 1, control unit 102, line traffic control clutch 103, brake auxiliary device
104 is similar.
In one embodiment, vehicle condition detection device 201 may include: vehicle speed sensor 2011 and obliquity sensor
2012, as shown in Fig. 2, vehicle speed sensor 2011, obliquity sensor 2012 are electrically connected with control unit 202 respectively.
Vehicle speed sensor 2011 (such as being mounted in driving axle housing or transmission case) is used to measure the speed of vehicle, and will
The speed is transmitted to control unit 202；Obliquity sensor 2012 (such as being mounted on body tail) is used to measure the inclination angle of vehicle,
And the inclination angle is transmitted to control unit 202；Wherein, which is 0 in the speed and the inclination angle is greater than default inclination value
When, clutch is sent to line traffic control clutch 203 and is detached from combination control signal, and sends starting control to brake auxiliary device 204
Signal processed combines to realize and be detached from line traffic control clutch, and starting brake auxiliary device.
About default inclination value setting can according to the actual situation depending on, be freely parked in for example, vehicle can be set
On ramp and in the case where not using any braking method, it remain stationary the not attainable ruling grade angle θ of car slipping institutemaxFor
Default inclination value.When the angle of gradient in ramp is greater than θmaxWhen need to take braking method to be just able to maintain stationary vehicle on ramp not
Car slipping.
Fig. 3 is the stress diagram shown when vehicle according to an embodiment of the present invention is located at ramp.Inclination angle is shown in Fig. 3
Sensor 3012, the sensor are similar with the obliquity sensor 2012 in Fig. 2.The obliquity sensor is used to measure when front of the car
Inclination angle, the i.e. angle of gradient in ramp locating for vehicle.As shown in figure 3, vehicle on ramp by the gravity of itself, ground faces tire
Frictional resistance and engine to the effect of the driving force of wheel, can be in the hope of suffered by vehicle and then the angle of gradient measured
The gradient resistance Fi arrived:
Fi=Gsin θ+Gfcos θ,
Wherein, G is vehicle weight, and θ is the angle of gradient (i.e. inclination angle), and f is road friction resistance coefficient.When vehicle is started to walk
When, the obtained driving force F of wheel, which needs to be greater than gradient resistance Fi, can just make vehicle smoothly start to walk on ramp not car slipping.Ability
Field technique personnel, which should be understood that, can be calculated according to formula above out θmax, θ can also be measured by experimentmax, of the invention
Range is not limited to that.
In an embodiment of the present invention, as shown in Fig. 2, vehicle condition detection device 201 can also include: throttle opening
Sensor 2013, pressure sensor 2014 and gear position sensor 2015.Wherein, engine load sensor 2013, pressure sensing
Device 2014 and gear position sensor 2015 are electrically connected with control unit 202 respectively.
Engine load sensor 2013 (such as being mounted on air throttle) is used to measure the aperture of air throttle, and this is opened
Degree is transmitted to control unit 202；Pressure sensor 2014 (such as being mounted on master cylinder or brake control valve) is for measuring
Pressure in the master cylinder of vehicle, and by the pressure transmission to control unit 202；Gear position sensor 2015 (such as be mounted on
In gearbox) for measuring the gear of vehicle, and the gear is transmitted to control unit 202；Wherein, which sentences
Whether the gear that breaks is 1 grade or reverse gear, if it is, according to the aperture of air throttle and the pressure of master cylinder to line traffic control clutch
203, which send clutch, combines control signal, controls the combination degree of clutch.Here, the combination degree of clutch refer to from
Tightness degree of the active part of clutch in conjunction with secondary part, combination degree is higher, shows active part and secondary part knot
Close tighter.For example, the combination degree of clutch needs to guarantee that driving moment is greater than gradient resistance and brake drag.
In an embodiment of the present invention, as shown in Fig. 2, vehicle condition detection device 201 can also include: clutch oil cylinder
Displacement sensor 2016 (such as being mounted on clutch oil cylinder), is electrically connected with control unit 202, is used for gaging clutch oil cylinder
Displacement, and the displacement is transmitted to control unit 202；Wherein, which obtains clutch according to the displacement
Combination degree.Since clutch oil cylinder acts on the platen of clutch so that platen is pressed on friction plate, by friction plate with
Flywheel combines, and therefore, the displacement of clutch oil cylinder can reflect the combination degree of friction plate and flywheel, therefore can pass through measurement
The displacement of clutch oil cylinder obtains the combination degree of clutch.For example, oil cylinder displacement and clutch can be measured in advance
Combination degree corresponding relationship, and in a control unit by corresponding relationship storage, control unit is according to from clutch oil cylinder
The displacement that displacement sensor receives inquires the corresponding relationship, and then obtains the combination degree of clutch.Control unit exists
Obtaining after the combination degree of clutch can be further according to the pressure of the aperture of air throttle and braking system (such as master cylinder
Interior pressure) control line traffic control clutch, until obtaining the combination degree for adapting to the clutch of operating condition at that time.
Fig. 4 is the schematic diagram for schematically showing line traffic control clutch according to some embodiments of the invention.As shown in figure 4,
Line traffic control clutch may include: variable pump 4031, clutch control valve 4032 and clutch oil cylinder 4033.In order to illustrate mesh
, flywheel 4101, friction plate 4102, platen 4103, clutch overflow valve 4106, clutch filter are also shown in Fig. 4
4108, fuel tank 4109, control unit 402 (similar with the control unit 202 in Fig. 2), clutch pedal connecting link 4111, clutch
Pedal 4112, clutch pedal return spring 4113.As shown in figure 4, variable pump 4031 and clutch control valve 4032 respectively with
Control unit 402 is electrically connected；Variable pump 4031 is connect by oil circuit (being properly termed as the first oil circuit) with clutch control valve 4032,
Clutch control valve is connect by oil circuit (being properly termed as the second oil circuit) with clutch oil cylinder 4033.
Control unit 402 switches according to the pressure control clutch control valve 4032 in the aperture and master cylinder of air throttle
The direction of motion of clutch oil cylinder 4033, and control variable pump 4031 and hydraulic oil is transported to clutch oil cylinder from fuel tank 4109
4033 (i.e. variable pump controls the stroke of clutch oil cylinder), to control the combination degree of clutch, so that clutch
It is gradually reached from disengaged position and is completely combined state.
In one embodiment, single with control as shown in figure 4, line traffic control clutch can also include: tension sensor 4034
Member 402 is electrically connected, and is transmitted to control unit 402 for the pulling force of gaging clutch pedal 4112, and by pulling force signal；Wherein,
The control unit 402 controls the combination degree of clutch according to the pulling force signal.For example, starting system uses pulling force when not starting
Signal controls clutch, and pulling force signal does not control clutch and combines if starting.
For example, when not starting to uphill starting, clutch pedal that control unit is transmitted according to tension sensor 4034
Signal (i.e. pulling force signal), controls variable pump 4031 and clutch control valve 4032, and clutch control valve 4032 switches
The direction of motion of clutch oil cylinder 4033, variable pump 4031 flow into the hydraulic fluid flow rate of clutch oil cylinder 4033 by control to control
The combination degree of friction clutch processed, when not stepping on clutch pedal 4112, clutch is completely combined.When starting uphill starting,
The signal of tension sensor 4034 no longer controls the combination degree of clutch, but is believed by control unit according to throttle opening
Number, master cylinder pressure signal the combination degree of clutch is controlled so that vehicle drive force be greater than vehicle suffered by
Gradient resistance, smooth uphill starting under the premise of not flame-out not car slipping.When starting is completed (at this moment can close starting system
System) when, the bonding state of clutch provides control signal by tension sensor and carries out real-time control to it.
In an embodiment of the present invention, can be tested in advance, obtain about throttle opening, master cylinder pressure with
And the characteristic curve of clutch combination degree appropriate, and in a control unit by characteristic curve storage, thus control unit
It can be obtained clutch combination degree appropriate when obtaining throttle opening, master cylinder pressure, so that engine output is suitable
When driving moment, guarantee that driving moment is greater than gradient resistance and brake drag, not car slipping when realizing uphill starting.
Fig. 5 is the schematic diagram for schematically showing brake auxiliary device according to some embodiments of the invention.Such as Fig. 5 institute
Show, brake auxiliary device includes: brake pump 5041, brake control valve 5042, brake-pressure controller 5043 and overflow valve
5044 (being properly termed as brake overflow valve).For illustrative purposes, fuel tank 5109 is also shown in Fig. 5 (with the fuel tank in Fig. 4
4109 is similar), brake filter 5116, wheel braking wheel cylinder 5120, master cylinder 5121, brake pedal connecting rod 5122, system
Dynamic clutch pedal retrun spring 5123, brake pedal 5124 and control unit 502 (similar with the control unit 402 in Fig. 4).Such as Fig. 5
Shown, brake control valve 5042 and brake-pressure controller 5043 are electrically connected with control unit 502 respectively；Brake pump 5041 is logical
It crosses oil circuit (being properly termed as third oil circuit) to connect with brake control valve 5042, brake control valve 5042 (is properly termed as by oil circuit
4th oil circuit) it is connect with brake-pressure controller 5043, brake-pressure controller 5043 (is properly termed as the 5th oil by oil circuit
Road) connect with wheel braking wheel cylinder 5120, overflow valve 5044 by oil circuit (being properly termed as the 6th oil circuit) respectively with control for brake
Valve 5042 and fuel tank 5109 connect.As shown in figure 5, control unit 502 is electrically connected with wheel braking wheel cylinder 5120.
In one embodiment, control unit 502 sends braking to brake auxiliary device and executes control signal, switching braking
Brake-pressure controller 5043 is closed, to be transported to hydraulic oil by brake pump 5041 in the operating position of control valve 5042
In wheel braking wheel cylinder 5120, brake(-holder) block is pushed to brake wheel；Pressure (i.e. braking system pressure in master cylinder
Power) when reaching preset pressure value (such as can determine the preset pressure value according to actual condition), keep brake control valve 5042
Operating position it is constant, overflow valve 5044 start overflow；And change in the aperture of air throttle, that is, when preparing starting, to braking
Pressure regulator 5043 is adjusted, and reduces the pressure of master cylinder, i.e. reduction brake system pressure.
For example, stepping on brake pedal 5124 in no progress uphill starting, keep the hydraulic oil in master cylinder 5121 logical
It crosses brake piping to reach in each wheel braking wheel cylinder 5120, wheel braking wheel cylinder 5120 pushes brake(-holder) block to brake wheel.
When starting uphill starting, brake auxiliary device also starts to start, and substitutes former braking system.At this point, switching brake control valve
Brake-pressure controller 5043 is closed in 5042 operating position, is directly pumped hydraulic oil to each wheel by brake pump 5041
In wheel cylinder 5120, brake(-holder) block is pushed to brake wheel.When pressure reaches preset pressure value, holding system in braking system
The operating position of dynamic control valve 5042 is constant, and overflow valve 5044 starts overflow.If there is no throttle opening variable signal (to save
Valve position variable signal), i.e., vehicle is remain stationary in ramp, this brake assist system needs to be always maintained at wheel braking wheel cylinder
Brake pressure in 5120 is constant.When throttle opening amount signal starts to change, i.e., prepare uphill starting, control unit 502 at this time
It is controlled according to throttle opening amount signal line traffic control clutch and brake auxiliary device, the control to brake auxiliary device is mainly
Brake-pressure controller 5043 is adjusted, braking system internal detent pressure is changed；With throttle opening become larger with
And clutch combination degree increases, the pressure inside brake auxiliary device is gradually reduced, and when speed is greater than pre-set velocity value, is sentenced
Disconnected to have smoothly completed uphill starting at this time, brake-pressure controller 5043 fully opens, brake system pressure zero, closes starting
System.
In this embodiment, when the starting of the system of starting (for example, can be prompted plus indicator light when starting), vehicle is on slope
Road is static, and driver can decontrol the foot stepped down on brake pedal, and brake auxiliary device is started to work at this time, reduces driver
Driving fatigue.Prepare uphill starting, while clutch slowly combines, brake auxiliary device when driver steps on gas pedal
Pressure be gradually reduced；Gas pedal, clutch and brake auxiliary device cooperate, and allow the vehicle to smoothly complete ramp
Starting is without car slipping；If detecting car slipping, brake auxiliary device increases Braking system pressure in time, so that vehicle is on ramp
It brakes static.For the starting system convenient for control, reflection is sensitive, allows the vehicle to go on smoothly uphill starting.
In an embodiment of the present invention, control unit judges whether to stop working, if it is, keeping braking stationary state；It is no
Then judge whether speed is greater than pre-set velocity value, if it is, determining that vehicle completes starting, brake-pressure controller is beaten completely
It opens；Otherwise control signal is sent to line traffic control clutch and brake auxiliary device respectively again, so that further control carries out ramp
Starting.It will be appreciated by those skilled in the art that control unit can judge whether according to some signal synthesis relevant to stopping working
It is flame-out.In some embodiments, vehicle generally uses one grade or reverse gear, control unit can according to speed to determine whether
Car slipping.For example, speed is that negative value is judged as car slipping at one grade；When reverse gear, speed is that positive value is judged as car slipping.Another
In a little embodiments, pre-set velocity value can be determined according to actual condition, for example, pre-set velocity value is 2km/h (km/small
When).
In the embodiment of the present invention, control unit receives the signal of vehicle speed sensor and obliquity sensor, judges starting system
The start and stop of system, when starting this system, control unit exports control signal to brake auxiliary device, controls brake control valve and braking
Pressure regulator guarantees motor vehicle braking system pressure, even if the separation of service brake pedal nor affects on brake system pressure；Work as driver
Prepare uphill starting, control unit is controlled according to engine load sensor signal output line control clutch and brake auxiliary device
Signal controls clutch control valve, variable pump, brake-pressure controller, enables the smooth uphill starting of vehicle, neither stops working
Not car slipping.
The present invention also provides a kind of automobiles, comprising: start to walk system as previously described, such as starting system as shown in Figure 1
System 100 or starting system 200 as shown in Figure 2.Starting system of the invention can be applied on manual vehicle, can also answer
With on other types vehicle.
Fig. 6 is the flow chart for showing method for starting according to some embodiments of the invention.
Step S601, vehicle condition detection device detect the current state of vehicle, and current state output signals are transmitted to control
Unit processed.
Step S602, control unit send control to line traffic control clutch and brake auxiliary device respectively according to current state output signals
Signal processed controls vehicle start.
In this embodiment, control unit is according to the current state output signals obtained from vehicle condition detection device come control line
Clutch and brake auxiliary device are controlled, to realize control vehicle start.Further, control vehicle slope is especially realized
Road starting prevents the danger that car slipping occurs in uphill starting, improves the safety of uphill starting.
In some embodiments, vehicle condition detection device may include: vehicle speed sensor and obliquity sensor.Vehicle shape
State detection device detects the current state of vehicle, and the step of current state output signals are transmitted to control unit includes: that speed passes
Sensor measures the speed of vehicle, and the speed is transmitted to control unit；Obliquity sensor measures the inclination angle of vehicle, and this is inclined
Angle is transmitted to control unit；Control unit sends control to line traffic control clutch and brake auxiliary device respectively according to current state output signals
The step of signal processed, control vehicle start includes: control unit when the speed is 0 and the inclination angle is greater than default inclination value, to
Line traffic control clutch sends clutch and is detached from combination control signal, and sends starting control signal to brake auxiliary device, thus
It realizes for line traffic control clutch to be detached from and combine, and starting brake auxiliary device.
In some embodiments, vehicle condition detection device can also include: engine load sensor, pressure sensor
And gear position sensor.Vehicle condition detection device detects the current state of vehicle, and current state output signals are transmitted to control list
The step of member further include: engine load sensor measures the aperture of air throttle, and the aperture is transmitted to control unit；Pressure
Pressure in the master cylinder of sensor measurement vehicle, and by the pressure transmission to control unit；Gear position sensor measures vehicle
Gear, and the gear is transmitted to control unit；Control unit is according to current state output signals respectively to line traffic control clutch and system
The step of dynamic auxiliary device sends control signal, controls vehicle start further include: control unit judges whether gear is 1 grade or falls
Shelves, if it is, sending clutch to line traffic control clutch according to the aperture of air throttle and the pressure of master cylinder combines control letter
Number, control the combination degree of clutch.
In some embodiments, vehicle condition detection device can also include: clutch oil cylinder displacement sensor.Vehicle shape
State detection device detects the current state of vehicle, and the step of current state output signals are transmitted to control unit further include: clutch
The displacement of device cylinder displacement sensor gaging clutch oil cylinder, and the displacement is transmitted to control unit；Control unit root
The step of sending control signal respectively according to current state output signals to line traffic control clutch and brake auxiliary device, control vehicle start is also
It include: the combination degree that control unit obtains clutch according to the displacement.
In some embodiments, control unit sends clutch to line traffic control clutch according to aperture and pressure and combines control letter
Number, the step of controlling the combination degree of clutch includes: control unit according to the pressure in the aperture and master cylinder of air throttle
Control clutch control valve switch clutch oil cylinder the direction of motion, and control variable pump by hydraulic oil from fuel tank be transported to from
Clutch oil cylinder, to control the combination degree of clutch.
In some embodiments, control unit is according to current state output signals respectively to line traffic control clutch and brake auxiliary device
The step of sending control signal, controlling vehicle start further include: control unit sends braking to brake auxiliary device and executes control
Signal switches the operating position of brake control valve, brake-pressure controller is closed, to be transported to hydraulic oil by brake pump
In wheel braking wheel cylinder, brake(-holder) block is pushed to brake wheel；When pressure reaches preset pressure value, brake control valve is kept
Operating position it is constant, overflow valve starts overflow；And change in the aperture of air throttle, that is, when preparing starting, to brake pressure
Adjuster is adjusted, and reduces the pressure of master cylinder.
In some embodiments, control unit is according to current state output signals respectively to line traffic control clutch and brake auxiliary device
The step of sending control signal, controlling vehicle start further include: control unit judges whether to stop working, if it is, keeping braking
Stationary state；Otherwise judge whether speed is greater than pre-set velocity value, if it is, determining that vehicle completes starting, by brake pressure
Adjuster fully opens；Otherwise control signal is sent to line traffic control clutch and brake auxiliary device respectively again.
Fig. 7 is the flow chart for showing the method for starting of other embodiments according to the present invention.
Step S701, judges whether speed is equal to zero.If so, process enters step S702, S708 is otherwise entered step.
Step S702, judges whether inclination angle is greater than default inclination value.If so, process enters step S703, otherwise enter
Step S708.
Step S703 starts line traffic control clutch and brake auxiliary device.
Step S704 judges whether it is 1 grade or reverse gear, and whether throttle opening becomes larger.If so, process enters step
S705, otherwise return step S703.
Step S705 controls line traffic control clutch and brake auxiliary device, controls the combination degree of clutch, changes braking system
System pressure.
Step S706 judges whether to stop working.If so, process return step S703, otherwise enters step S707.
Step S707, judges whether speed is greater than pre-set velocity value.If so, process enters step S708；Otherwise it returns
Step S705 controls line traffic control clutch and brake auxiliary device again, adjusts the combination degree and braking system pressure of clutch
Power.
Step S708 closes starting system.
Starting system of the invention or method only need driver's accelerator pedal that can smoothly realize ramp convenient for operation
Starting reduces driver's driving fatigue.Using line traffic control clutch, accurate control can be realized, prevent driver because of experience deficiency
Clutch is caused to make engine misses in conjunction with too fast.Using brake auxiliary device, brake system pressure can accurately be controlled,
Driver loosen the brake accelerator pedal when will not car slipping, brake pressure can be with throttle opening and clutch combination journey
Spend real-time control.
So far, the present invention is described in detail.In order to avoid covering design of the invention, it is public that this field institute is not described
The some details known.Those skilled in the art as described above, completely it can be appreciated how implementing technology disclosed herein
Scheme.
Method and system of the invention may be achieved in many ways.For example, can by software, hardware, firmware or
Software, hardware, firmware any combination realize method and system of the invention.The said sequence of the step of for the method
Merely to be illustrated, the step of method of the invention, is not limited to sequence described in detail above, special unless otherwise
It does not mentionlet alone bright.In addition, in some embodiments, also the present invention can be embodied as to record program in the recording medium, these programs
Including for realizing machine readable instructions according to the method for the present invention.Thus, the present invention also covers storage for executing basis
The recording medium of the program of method of the invention.
Although some specific embodiments of the invention are described in detail by example, the skill of this field
Art personnel it should be understood that above example merely to being illustrated, the range being not intended to be limiting of the invention.The skill of this field
Art personnel are it should be understood that can without departing from the scope and spirit of the present invention modify to above embodiments.This hair
Bright range is defined by the following claims.
Claims (10)
1. a kind of starting system characterized by comprising
Vehicle condition detection device, control unit, line traffic control clutch and brake auxiliary device；
The current state of the vehicle condition detection device detection vehicle, and current state output signals are transmitted to the control list
Member；Described control unit is sent to the line traffic control clutch and the brake auxiliary device respectively according to the current state output signals
Signal is controlled, vehicle start is controlled；
The vehicle condition detection device further include:
Engine load sensor is transmitted to described control unit for measuring the aperture of air throttle, and by the aperture；
Pressure sensor, the pressure in master cylinder for measuring vehicle, and by the pressure transmission to described control unit；
Gear position sensor is transmitted to described control unit for measuring the gear of vehicle, and by the gear；
Wherein, described control unit judges whether the gear is 1 grade or reverse gear, if it is, opening according to the air throttle
The pressure of degree and the master cylinder sends clutch to the line traffic control clutch and combines control signal, controls the combination of clutch
Degree；
The line traffic control clutch includes: variable pump, clutch control valve and clutch oil cylinder；
Described control unit controls the clutch control according to the pressure in the aperture and the master cylinder of the air throttle
The direction of motion of clutch oil cylinder described in Vavle switching, and control the variable pump and hydraulic oil is transported to the clutch from fuel tank
Device oil cylinder, to control the combination degree of the clutch；
The brake auxiliary device includes: brake pump, brake control valve, brake-pressure controller and overflow valve；
Described control unit sends braking to the brake auxiliary device and executes control signal, switches the work of the brake control valve
Make position, closes the brake-pressure controller, hydraulic oil to be transported in wheel braking wheel cylinder by the brake pump,
Brake(-holder) block is pushed to brake wheel；
When the pressure reaches preset pressure value, keep the operating position of the brake control valve constant, the overflow valve is opened
Beginning overflow；And change in the aperture of the air throttle, that is, when preparing starting, the brake-pressure controller be adjusted,
Reduce the pressure of the master cylinder.
2. start to walk system according to claim 1, which is characterized in that
The vehicle condition detection device includes:
Vehicle speed sensor is transmitted to described control unit for measuring the speed of the vehicle, and by the speed；
Obliquity sensor is transmitted to described control unit for measuring the inclination angle of the vehicle, and by the inclination angle；
Wherein, described control unit is when the speed is 0 and the inclination angle is greater than default inclination value, Xiang Suoshu line traffic control clutch
It sends clutch and is detached from combination control signal, and send starting control signal to the brake auxiliary device.
3. start to walk system according to claim 1, which is characterized in that
The vehicle condition detection device further include:
Clutch oil cylinder displacement sensor for the displacement of gaging clutch oil cylinder, and the displacement is transmitted to described
Control unit；
Wherein, described control unit obtains the combination degree of clutch according to the displacement.
4. start to walk system according to claim 1, which is characterized in that
The line traffic control clutch further include:
Tension sensor is transmitted to described control unit for the pulling force of gaging clutch pedal, and by pulling force signal；
Wherein, described control unit controls the combination degree of the clutch according to the pulling force signal.
5. start to walk system according to claim 1, which is characterized in that
Described control unit judges whether to stop working, if it is, keeping braking stationary state；Otherwise it is pre- to judge whether speed is greater than
If velocity amplitude, if it is, determining that vehicle completes starting, the brake-pressure controller is fully opened；Otherwise distinguish again
Control signal is sent to the line traffic control clutch and the brake auxiliary device.
6. a kind of automobile characterized by comprising
The starting system as described in claim 1 to 5 is any.
7. a kind of method for starting characterized by comprising
Vehicle condition detection device detects the current state of vehicle, and current state output signals are transmitted to control unit；
Described control unit sends control letter to line traffic control clutch and brake auxiliary device respectively according to the current state output signals
Number, control vehicle start；
Wherein, the current state of vehicle condition detection device detection vehicle, and current state output signals are transmitted to control unit
Step further include:
Engine load sensor measures the aperture of air throttle, and the aperture is transmitted to described control unit；Pressure sensing
Device measures the pressure in the master cylinder of vehicle, and by the pressure transmission to described control unit；Gear position sensor measures vehicle
Gear, and the gear is transmitted to described control unit；
Described control unit sends control letter to line traffic control clutch and brake auxiliary device respectively according to the current state output signals
Number, control vehicle start the step of further include:
Described control unit judges whether the gear is 1 grade or reverse gear, if it is, according to the aperture of the air throttle and institute
The pressure for stating master cylinder sends clutch to the line traffic control clutch and combines control signal, controls the combination degree of clutch；
Wherein, described control unit is cut according to the pressure control clutch control valve in the aperture and the master cylinder of the air throttle
The direction of motion of clutch oil cylinder is changed, and controls variable pump and hydraulic oil is transported to the clutch oil cylinder from fuel tank, with control
Make the combination degree of the clutch；
Described control unit sends control letter to line traffic control clutch and brake auxiliary device respectively according to the current state output signals
Number, control vehicle start the step of further include: described control unit to the brake auxiliary device send braking execute control letter
Number, switch the operating position of brake control valve, brake-pressure controller is closed, hydraulic oil is transported to vehicle by brake pump
It takes turns in wheel cylinder, brake(-holder) block is pushed to brake wheel；When the pressure reaches preset pressure value, the braking is kept
The operating position of control valve is constant, and overflow valve starts overflow；And change in the aperture of the air throttle, that is, when preparing starting,
The brake-pressure controller is adjusted, the pressure of the master cylinder is reduced.
8. method for starting according to claim 7, which is characterized in that
Vehicle condition detection device detects the current state of vehicle, and the step of current state output signals are transmitted to control unit packet
It includes:
Vehicle speed sensor measures the speed of the vehicle, and the speed is transmitted to described control unit；Obliquity sensor is surveyed
The inclination angle of the vehicle is measured, and the inclination angle is transmitted to described control unit；
Described control unit sends control letter to line traffic control clutch and brake auxiliary device respectively according to the current state output signals
Number, control vehicle start the step of include:
When the speed is 0 and the inclination angle is greater than default inclination value, Xiang Suoshu line traffic control clutch is sent described control unit
Clutch, which is detached from, combines control signal, and sends starting control signal to the brake auxiliary device.
9. method for starting according to claim 7, which is characterized in that
Vehicle condition detection device detects the current state of vehicle, and the step of current state output signals are transmitted to control unit is also
Include:
The displacement of clutch oil cylinder displacement sensor clutch oil cylinder, and the displacement is transmitted to the control list
Member；
Described control unit sends control letter to line traffic control clutch and brake auxiliary device respectively according to the current state output signals
Number, control vehicle start the step of further include:
Described control unit obtains the combination degree of clutch according to the displacement.
10. method for starting according to claim 7, which is characterized in that
Described control unit sends control letter to line traffic control clutch and brake auxiliary device respectively according to the current state output signals
Number, control vehicle start the step of further include:
Described control unit judges whether to stop working, if it is, keeping braking stationary state；Otherwise it is pre- to judge whether speed is greater than
If velocity amplitude, if it is, determining that vehicle completes starting, the brake-pressure controller is fully opened；Otherwise distinguish again
Control signal is sent to the line traffic control clutch and the brake auxiliary device.
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| CN201510335276.XA CN106314417B (en) | 2015-06-16 | 2015-06-16 | A kind of starting system, automobile and method |
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| CN201510335276.XA CN106314417B (en) | 2015-06-16 | 2015-06-16 | A kind of starting system, automobile and method |
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| CN107585021B (en) * | 2017-07-14 | 2024-02-20 | 董博 | Hill starting auxiliary device for manual gear automobile |
| CN109895636A (en) * | 2017-12-08 | 2019-06-18 | 郑州宇通客车股份有限公司 | Vehicle start control method and vehicle start system |
| CN109108561A (en) * | 2018-09-04 | 2019-01-01 | 中国十九冶集团有限公司 | Welding upset machine |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1955051A (en) * | 2005-10-27 | 2007-05-02 | 比亚迪股份有限公司 | Control device and method for vehicle start |
| CN101537831A (en) * | 2009-04-13 | 2009-09-23 | 浙江亚太机电股份有限公司 | Control method of automobile electric control parking and start assisting by manual transmission and system thereof |
| CN201415674Y (en) * | 2009-04-13 | 2010-03-03 | 浙江亚太机电股份有限公司 | Manual electrical-controlled parking and auxiliary starting control system for variable-speed automobile |
| CN101982358A (en) * | 2010-10-09 | 2011-03-02 | 奇瑞汽车股份有限公司 | Automobile uphill start assisting method and system |
| CN102060011A (en) * | 2010-12-23 | 2011-05-18 | 浙江万里扬变速器股份有限公司 | Control method suitable for preventing starting AMT (Automatic Mechanical Transmission) vehicle from sliding on slope |
| CN102826088A (en) * | 2012-09-12 | 2012-12-19 | 浙江吉利汽车研究院有限公司杭州分公司 | Hill-start assist device and hill-start assist method |
| CN103287422A (en) * | 2013-05-31 | 2013-09-11 | 长城汽车股份有限公司 | Vehicle, and ramp starting control method and ramp starting control device for vehicle |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08133032A (en) * | 1994-11-02 | 1996-05-28 | Hino Motors Ltd | Ascending slope starting support device |
| JPH11301432A (en) * | 1998-04-22 | 1999-11-02 | Mitsubishi Motors Corp | Auxiliary device for slope-start |
-
2015
- 2015-06-16 CN CN201510335276.XA patent/CN106314417B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1955051A (en) * | 2005-10-27 | 2007-05-02 | 比亚迪股份有限公司 | Control device and method for vehicle start |
| CN101537831A (en) * | 2009-04-13 | 2009-09-23 | 浙江亚太机电股份有限公司 | Control method of automobile electric control parking and start assisting by manual transmission and system thereof |
| CN201415674Y (en) * | 2009-04-13 | 2010-03-03 | 浙江亚太机电股份有限公司 | Manual electrical-controlled parking and auxiliary starting control system for variable-speed automobile |
| CN101982358A (en) * | 2010-10-09 | 2011-03-02 | 奇瑞汽车股份有限公司 | Automobile uphill start assisting method and system |
| CN102060011A (en) * | 2010-12-23 | 2011-05-18 | 浙江万里扬变速器股份有限公司 | Control method suitable for preventing starting AMT (Automatic Mechanical Transmission) vehicle from sliding on slope |
| CN102826088A (en) * | 2012-09-12 | 2012-12-19 | 浙江吉利汽车研究院有限公司杭州分公司 | Hill-start assist device and hill-start assist method |
| CN103287422A (en) * | 2013-05-31 | 2013-09-11 | 长城汽车股份有限公司 | Vehicle, and ramp starting control method and ramp starting control device for vehicle |
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