CN105172515B - A kind of control method and control device of variation rigidity stabiliser bar - Google Patents
A kind of control method and control device of variation rigidity stabiliser bar Download PDFInfo
- Publication number
- CN105172515B CN105172515B CN201410241549.XA CN201410241549A CN105172515B CN 105172515 B CN105172515 B CN 105172515B CN 201410241549 A CN201410241549 A CN 201410241549A CN 105172515 B CN105172515 B CN 105172515B
- Authority
- CN
- China
- Prior art keywords
- signal
- stabiliser bar
- vehicle
- variation rigidity
- angle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
Include that the signal initial value at inclination of vehicle angle is obtained according to vehicle bend speed when driving and turning radius signal the invention discloses a kind of control method of variation rigidity stabiliser bar；According to the rotary angle signal of steering wheel when Vehicular turn, the first revise signal that first time fine tuning is carried out to signal initial value is obtained；Signal and yaw rate signal are jumped according to left and right vehicle wheel wheel and tilts the difference that angle signal is compared with the expectation of the vehicle of storage, obtain and second of the second revise signal finely tuned is carried out to signal initial value；According to the signal initial value at inclination of vehicle angle, the first revise signal and the second revise signal, obtain to change the execution electric signal of variation rigidity stabiliser bar rigidity value compatible with the actual angle of inclination of vehicle.The invention also discloses a kind of control devices of variation rigidity stabiliser bar.The control method and control device for implementing the variation rigidity stabiliser bar of the present invention, can make the rigidity of stabiliser bar realize consecutive variations in a certain range.
Description
Technical field
The present invention relates to stabiliser bar technical field more particularly to the control methods and control dress of a kind of variation rigidity stabiliser bar
It sets.
Background technology
Stabiliser bar is important one of the part of automobile.Automobile is in negotiation of bends, due to the effect of centrifugal force, body of a motor car
Generate inclination.Stabiliser bar reduces the inclination of vehicle body by the torsion of itself, improves the safety of negotiation of bends.But in automobile
Roll it is smaller when, stabiliser bar it is more harm than good, influence whether traveling comfort.Also therefore, the inclined inclination angle of body of a motor car
When smaller, it is often desirable that the rigidity for obtaining stabiliser bar is smaller, to keep the comfort of vehicle；Meanwhile when angle of heel is larger,
Wish that the rigidity of stabiliser bar increases therewith, rolled to reduce, avoid vehicle rollover, improves safety.
Invention content
Technical problem to be solved by the present invention lies in provide a kind of control method and control dress of variation rigidity stabiliser bar
It sets, the rigidity of stabiliser bar can be made to realize consecutive variations in a certain range.
In order to solve the above-mentioned technical problem, the embodiment provides a kind of control method of variation rigidity stabiliser bar,
Include the following steps：Step S10 obtains inclination of vehicle angle according to vehicle bend speed when driving and turning radius signal
Signal initial value；Step S20 is obtained and is carried out the to signal initial value according to the rotary angle signal of steering wheel when Vehicular turn
The first revise signal once finely tuned crosses zig zag to improve the quick lane change of vehicle or control vehicle；Step S30, according to vehicle
Left and right wheels jump signal and yaw rate signal and the vehicle of storage and it is expected to tilt the difference that angle signal is compared, and obtain pair
Signal initial value carries out the second revise signal of second of fine tuning；And step S40, the signal according to inclination of vehicle angle are initial
Value, the first revise signal and the second revise signal obtain to change become just compatible with the actual angle of inclination of vehicle
The rigidity value of variation rigidity stabiliser bar is adjusted to by the execution electric signal of degree stabiliser bar rigidity value therewith according to actual angle of inclination
Rigidity value compatible with the actual angle of inclination realizes smaller roll stiffness when vehicle roll angle is smaller, in vehicle side
When inclination angle is larger, roll stiffness is improved.
Wherein, include the following steps after step S40：Step S50 adjusts variation rigidity stabiliser bar according to electric signal is executed
The pressure of middle fluid chamber changes the relative position of the first spline tooth and the second spline tooth in fluid chamber, increases or decreases variation rigidity
The rigidity value of stabiliser bar.
Wherein, step S50 includes the following steps：Step S501, the oil inlet pipe and oil outlet pipe point of variation rigidity stabiliser bar
The first pipeline and the second pipeline are not accessed, and setting connection area can be according to execution electric signal between the first pipeline and the second pipeline
The fluid channel of size is adjusted；The connection area of step S502, fluid channel reduce, and make oil inlet pipe pressure rise, the
Axis of one spline tooth together with the second spline tooth along the stabilization club shaft of variation rigidity stabiliser bar moves；Step S503, fluid channel
Connection area increase, make oil inlet pipe pressure reduction, stablize and be arranged between club shaft and the first spline tooth and the second spline tooth
Elastic element make two spline tooth returns.
Wherein, the control method of variation rigidity stabiliser bar further includes：A part of fluid is set to flow to the second pipeline by the first pipeline
The step of.
Wherein, the control method of variation rigidity stabiliser bar further includes：The step of fluid is supplemented into the second pipeline.
The invention also discloses a kind of control devices of variation rigidity stabiliser bar, including：To according to vehicle bend when driving
Speed and turning radius signal, obtain inclination of vehicle angle signal initial value first acquisition unit；To according to Vehicular turn
When steering wheel rotary angle signal, obtain and first time fine tuning carried out to signal initial value, and obtain the second of the first revise signal
Acquiring unit；To jump signal and yaw rate signal according to left and right vehicle wheel wheel, the third for obtaining inclination of vehicle angle signal obtains
Take unit；To store the memory that vehicle it is expected inclination angle signal；Incline with vehicle expectation to compare inclination of vehicle angle signal
The comparator of oblique angle signal difference；According to the comparison result of comparator, to obtain and carry out second of fine tuning to signal initial value,
And obtain the 4th acquiring unit of the second revise signal；And to be corrected according to the signal initial value at inclination of vehicle angle, first
Signal, the second revise signal obtain to change the rigidity of variation rigidity stabiliser bar compatible with the actual angle of inclination of vehicle
Value executes the 5th acquiring unit of electric signal, wherein：Third acquiring unit and memory are electrically connected with comparator respectively, comparator
It is electrically connected with the 4th acquiring unit, first acquisition unit, second acquisition unit and the 4th acquiring unit are obtained with the 5th respectively
Unit is electrically connected, and the control device of variation rigidity stabiliser bar is according to actual angle of inclination, therewith by the rigidity value of variation rigidity stabiliser bar
It is adjusted to rigidity value compatible with the actual angle of inclination, smaller roll stiffness is realized when vehicle roll angle is smaller,
When vehicle roll angle is larger, roll stiffness is improved.
Wherein, the control device of variation rigidity stabiliser bar further includes：Steering wheel angle sensor and vehicle speed sensor；Steering wheel
Angle speed sensor；And left and right wheels jump set sensor and vehicle body yaw-rate sensor, wherein：Steering wheel angle sensor and vehicle
Fast sensor is electrically connected with first acquisition unit respectively, and steering wheel angle speed sensor is electrically connected with second acquisition unit, left and right wheels
Jump set sensor and vehicle body yaw-rate sensor are electrically connected with third acquiring unit respectively.
Wherein, the control device of variation rigidity stabiliser bar further includes：According to electric signal is executed, to adjust variation rigidity stabiliser bar
The solenoid valve of middle fluid cavity pressure；Hydraulic pump；It is connected to the first pipeline that loop is formed on hydraulic pump and the second pipe
Road, wherein the oil inlet pipe and oil outlet pipe of variation rigidity stabiliser bar are respectively connected in the first pipeline and the second pipeline, solenoid valve with
5th acquiring unit is electrically connected.
Wherein, solenoid valve includes：The fluid channel being arranged between the first pipeline and the second pipeline；It is logical to be respectively provided at fluid
To change the iron core and magnet that fluid channel connects area, iron core connects a spring to reset for the both sides in road.
Wherein, the control device of variation rigidity stabiliser bar further includes：It is respectively connected to the first pipeline and the second pipeline, to make one
Part fluid is flowed to the overflow valve of the second pipeline by the first pipeline.
Wherein, the control device of variation rigidity stabiliser bar further includes：The second pipeline is accessed, to the makeup oil into the second pipeline
The fluid compensating tank of liquid.
The control method and control device of variation rigidity stabiliser bar provided by the present invention, have the advantages that：According to
Signal initial value, the first revise signal and second revise signal at inclination of vehicle angle obtain to change the reality with vehicle
The execution electric signal of the rigidity value of the compatible variation rigidity stabiliser bar in angle of inclination；According to the execution electric signal, solenoid valve adjustment
The pressure of fluid chamber in variation rigidity stabiliser bar changes the relative position of the first spline tooth and the second spline tooth in fluid chamber, increases
Or the rigidity value of variation rigidity stabiliser bar is reduced, to realize that the rigidity of stabiliser bar realizes consecutive variations in a certain range.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is the first pass block diagram of the control method of variation rigidity stabiliser bar of the embodiment of the present invention.
Fig. 2 is the second procedure block diagram of the control method of variation rigidity stabiliser bar of the embodiment of the present invention.
Fig. 3 is the structure diagram of the control device of variation rigidity stabiliser bar of the embodiment of the present invention.
Fig. 4 is the structure chart of the control device of variation rigidity stabiliser bar of the embodiment of the present invention.
Fig. 5 is the structure chart of the solenoid valve of the control device of variation rigidity stabiliser bar of the embodiment of the present invention.
Fig. 6 is that the external overall structure of the variation rigidity stabiliser bar of the control device of variation rigidity stabiliser bar of the embodiment of the present invention is shown
It is intended to.
Fig. 7 is that the internal sectional structure of the variation rigidity stabiliser bar of the control device of variation rigidity stabiliser bar of the embodiment of the present invention shows
It is intended to.
Fig. 8 is the variation rigidity stabiliser bar of the control device of variation rigidity stabiliser bar of embodiment of the present invention part as shown in Figure 7
Enlarged structure schematic diagram.
Fig. 9 be the control device of variation rigidity stabiliser bar of the embodiment of the present invention variation rigidity stabiliser bar in two spline tooths assembly after
Structural schematic diagram.
Figure 10 be the control device of variation rigidity stabiliser bar of the embodiment of the present invention variation rigidity stabiliser bar in the first spline tooth
Overlooking structure diagram.
Figure 11 be the control device of variation rigidity stabiliser bar of the embodiment of the present invention variation rigidity stabiliser bar in the second spline tooth
Overlooking structure diagram.
Figure 12 is the structure of the clip in the variation rigidity stabiliser bar of the control device of variation rigidity stabiliser bar of the embodiment of the present invention
Schematic diagram.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
In conjunction with referring to shown in Fig. 1-Fig. 2, being the embodiment one of variation rigidity stabiliser bar control method of the present invention.
The control method of variation rigidity stabiliser bar in the present embodiment, includes the following steps：
Step S10, according to vehicle bend speed when driving and turning radius signal, at the beginning of the signal for obtaining inclination of vehicle angle
Initial value；
Step S20 is obtained and is carried out for the first time to signal initial value according to the rotary angle signal of steering wheel when Vehicular turn
First revise signal of fine tuning crosses zig zag to improve the quick lane change of vehicle or control vehicle；
Step S30 jumps signal and yaw rate signal according to left and right vehicle wheel wheel and the vehicle of storage it is expected inclination angle letter
Number difference being compared obtains the second revise signal that second of fine tuning is carried out to signal initial value；And
Step S40 is obtained according to the signal initial value at inclination of vehicle angle, the first revise signal and the second revise signal
To change variation rigidity stabiliser bar compatible with the actual angle of inclination of vehicle rigidity value execution electric signal.
When it is implemented, step S10 is the inclination angle signal initial value in order to obtain vehicle in negotiation of bends, according to this
Tilt angle signal initial value and subsequent revise signal, can measure vehicle bend traveling actual tilt angles, and according to
The rigidity value of variation rigidity stabiliser bar can be adjusted to rigidity compatible with the actual tilt angles therewith by the actual tilt angles
Value.In this way, smaller roll stiffness may be implemented when vehicle roll angle is smaller, comfort is improved；It is larger in vehicle roll angle
When, roll stiffness can be improved, the safety of vehicle bend traveling is improved.
The effect of step S20 is：First time fine tuning is carried out to the initial value of the inclination angle signal of above-mentioned acquisition.This time signal
Fine tuning is to cross zig zag to improve the quick lane change of vehicle or control vehicle.
The effect of step S30 is：The initial value of the inclination angle signal obtained in above-mentioned steps S10 is carried out micro- for the second time
It adjusts.Signal and yaw rate signal, which are jumped, according to left and right vehicle wheel wheel tilts the difference that angle signal is compared with the expectation of the vehicle of storage
It is different, obtain the second revise signal that second of fine tuning is carried out to the signal initial value.This time signal fine tuning is in order to avoid vehicle
Poor roadside when driving, unilateral wheel (left side wheel or right side wheels) falls into the influence of pit.And then by obtaining
While vehicle practical angle of heel, collection vehicle left and right wheels jump signal and yaw rate signal.
Further, needed in the present embodiment by the practical angle of heel of the vehicle of acquisition with by be stored in driving in reservoir
The person of sailing it is expected that angle of heel is compared, and according to the difference of the two, obtains the second revise signal.
In step S40, the practical inclination angle signal of vehicle is obtained, will be repaiied according to inclination angle signal initial value and twice
Positive signal is obtained.
Step S50 will be executed after obtaining the practical inclination angle signal of vehicle, according to electric signal is executed, adjustment variation rigidity is stablized
The pressure of fluid chamber in bar changes the relative position of the first spline tooth and the second spline tooth in fluid chamber, and it is rigid to increase or decrease change
Spend the rigidity value of stabiliser bar.
When it is implemented, the execution electric signal obtained namely adjusts the flow for flowing through fluid in variation rigidity stabiliser bar, into
And the pressure of fluid chamber in variation rigidity stabiliser bar is adjusted, so that two spline tooths is moved.Wherein：Two spline tooths are in fluid cavity pressure
The concrete structure following detailed description that the rigidity value of variation rigidity stabiliser bar is adjusted after change.
Further, step S50 includes the following steps：
Step S501, the oil inlet pipe and oil outlet pipe of variation rigidity stabiliser bar are respectively connected to the first pipeline and the second pipeline,
The fluid channel of size can be adjusted in setting connection area according to execution electric signal between the first pipeline and the second pipeline；
The connection area of step S502, fluid channel reduce, and make oil inlet pipe pressure rise, the first spline tooth is together with second
Spline tooth is moved along the axis of the stabilization club shaft of variation rigidity stabiliser bar；
The connection area of step S503, fluid channel increase, and make oil inlet pipe pressure reduction, stablize club shaft and the first flower
The elastic element being arranged between key teeth and the second spline tooth makes two spline tooth returns.
When it is implemented, oil inlet pipe connects the fluid chamber of variation rigidity stabiliser bar with one end of oil outlet pipe, opposite is another
One end is respectively connected to the circulation line of a hydraulic pump, that is, the first pipeline and the second pipeline.When above-mentioned execution electric signal is to increase
When the pressure of big fluid chamber makes two spline tooths be moved along the both ends of the stabilization club shaft axis of variation rigidity stabiliser bar, control changes
The connection area of fluid channel makes it reduce.In this way, the pressure rise of oil inlet pipe, the pressure rise of fluid chamber.With
Two spline tooths are moved along axis, and stable club shaft reaches twisting resistance outer between the first spline tooth and the second spline tooth
On bar, the rigidity value of variation rigidity stabiliser bar increases.
During the connection area of control change fluid channel keeps its increased, the pressure reduction of oil inlet pipe, fluid chamber
Pressure reduction.At this point, stablizing the elastic element being arranged between club shaft and the first spline tooth and the second spline tooth makes two splines
Tooth return, the length that the outer bar between the first spline tooth and the second spline tooth intervenes entire variation rigidity stabiliser bar are reduced, just
Angle value reduces.
In the other embodiment of variation rigidity stabiliser bar control method of the present invention, the control method of variation rigidity stabiliser bar is also wrapped
Include the step of making a part of fluid flow to second pipeline by the first pipeline.The effect of this step, which is arranged, is：In control piper
Flow make a part of fluid by the pressure duct of the first pipeline when the flow in pipeline is excessive, causes pressure rise too fast
Flow to the low pressure line of the second pipeline.In addition, the control method of variation rigidity stabiliser bar further includes supplementing fluid into the second pipeline
The step of.The effect of this step, which is arranged, is：It is necessary to when fluid is supplemented into pipeline, prevent pipeline oil very few.
In conjunction with referring to shown in Fig. 3-Fig. 5, stablize the embodiment one of bar controlling for variation rigidity of the present invention.
The control device of variation rigidity stabiliser bar in the present embodiment, including：
According to vehicle bend speed when driving and turning radius signal, to obtain inclination of vehicle angle signal initial value
First acquisition unit 91；According to steering wheel rotary angle signal when Vehicular turn, to obtain and carry out first to signal initial value
Secondary fine tuning, and obtain the second acquisition unit 92 of the first revise signal；To jump signal and yaw angle speed according to left and right vehicle wheel wheel
Signal is spent, the third acquiring unit 93 of inclination of vehicle angle signal is obtained；
To store the memory 82 that vehicle it is expected inclination angle signal；
The comparator 81 of inclination angle signal difference it is expected to compare inclination of vehicle angle signal with vehicle；
According to the comparison result of comparator 81, to obtain and carry out second of fine tuning to signal initial value, and obtain second
4th acquiring unit 94 of revise signal；And
According to the signal initial value at inclination of vehicle angle, the first revise signal, the second revise signal, to obtain to change
The rigidity value of variation rigidity stabiliser bar compatible with the actual angle of inclination of vehicle executes the 5th acquiring unit 95 of electric signal,
In：
Third acquiring unit 93 and memory 82 are electrically connected with comparator 81 respectively, comparator 81 and the 4th acquiring unit 94
Electrical connection, first acquisition unit 91, second acquisition unit 92 and the 4th acquiring unit 94 are electric with the 5th acquiring unit 95 respectively
Connection.
Further, the control device of variation rigidity stabiliser bar further includes：
Steering wheel angle sensor 71 and vehicle speed sensor 72；
Steering wheel angle speed sensor 73；And
Left and right wheels jump set sensor 74 and vehicle body yaw-rate sensor 75, wherein：
Steering wheel angle sensor 71 and vehicle speed sensor 72 are electrically connected with first acquisition unit 91 respectively, steering wheel angle speed
Sensor 73 is electrically connected with second acquisition unit 92, left and right wheels jump set sensor 74 and vehicle body yaw-rate sensor 75 respectively with
Third acquiring unit 93 is electrically connected.
When it is implemented, steering wheel angle sensor 71 and vehicle speed sensor 72 are respectively measuring the vehicle of Ackermann steer angle
Speed and turning radius, and the signal measured is sent to first acquisition unit 91.First acquisition unit 91 is believed according to above-mentioned sensing
Number inclination angle signal initial value of the acquisition vehicle in negotiation of bends, according to the initial value of the inclination angle signal and subsequent
Revise signal can measure the actual tilt angles of vehicle bend traveling, and according to the actual tilt angles, variation rigidity can be stablized
The rigidity value of bar is adjusted to rigidity value compatible with the actual tilt angles therewith.In this way, permissible when vehicle roll angle is smaller
It realizes smaller roll stiffness, improves comfort；When vehicle roll angle is larger, roll stiffness can be improved, it is curved to improve vehicle
The safety of road traveling.
Steering wheel angle speed sensor 73 is to measure steering wheel for vehicle corner, and second acquisition unit 92 is according to the direction of traffic
Disk corner and speed obtain the initial angle of inclination of vehicle, and are carried out for the first time to the initial value of the inclination angle signal of above-mentioned acquisition
Fine tuning.This time signal fine tuning is to cross zig zag to improve the quick lane change of vehicle or control vehicle.
Left and right wheels jump set sensor 74 and vehicle body yaw-rate sensor 75 jump signal to collection vehicle left and right wheels respectively
And yaw rate signal, third acquiring unit 93 jumps signal according to the left and right vehicle wheel wheel and yaw rate signal obtains vehicle
Practical angle of heel.The practical angle of heel for the vehicle that comparator 81 is then obtained according to third acquiring unit 93 is deposited with memory 82
The vehicle of storage it is expected to tilt the difference that angle signal is compared, and exports comparison result.4th acquiring unit 94 is according to comparator
The comparison result of 81 outputs obtains the second revise signal that second of fine tuning is carried out to the signal initial value.This time signal fine tuning
Be in order to avoid vehicle poor roadside when driving, unilateral wheel (left side wheel or right side wheels) falls into the influence of pit.Into
And by the way that while acquisition vehicle practical angle of heel, collection vehicle left and right wheels jump signal and yaw rate signal.
Further, the 5th acquiring unit 95 is being obtained according to rolling angle signal initial value and modified twice signal
The practical inclination angle signal of pick-up, and the execution signal is sent to a coupled solenoid valve 3.It is adjusted by solenoid valve 3
The pressure of fluid chamber 111a, 112a (referring to Fig. 7) in whole variation rigidity stabiliser bar 1 changes the first spline in fluid chamber 111a, 112a
The relative position of tooth 13 and the second spline tooth 14 (referring to Fig. 7), increases or decreases the rigidity value of variation rigidity stabiliser bar 1.
Further, the control device of variation rigidity stabiliser bar further includes：
Hydraulic pump 2；
It is connected to the first pipeline 2m and the second pipeline 2n that loop is formed on hydraulic pump 2, wherein variation rigidity is steady
The oil inlet pipe 17a and oil outlet pipe 17b of fixed pole 1 are respectively connected in the first pipeline 2m and the second pipeline 2n, solenoid valve 3 and the 5th
Acquiring unit 95 is electrically connected.
Please with further reference to Fig. 5, the solenoid valve 3 in the present embodiment includes：
The fluid channel 31 being arranged between the first pipeline 2m and the second pipeline 2n；
The both sides of fluid channel 31 are respectively provided to change the iron core 32 and magnet 33 that fluid channel 31 connects area, iron
Spring 34 of the connection one of core 32 to reset.
When it is implemented, under normal condition, 3 no power of solenoid valve, fluid channel 31 is in an ON state and the face connected
Product is maximum, and the pressure very little in the first pipeline 2m and the second pipeline 2n, hydraulic pump 2 are equivalent to idle running at this time.When solenoid valve 3 receives
Execution electric signal from the 5th acquiring unit 93, under the action of electric current, magnet 33 generates magnetic field, then iron core 32 is attracted to move
Dynamic (moving right as shown in the figure).At this point, the connection area of fluid channel 31 reduces, the pressure rise in the first pipeline 2m.When
When electric current reduces, 3 magnetic force of solenoid valve reduces, return under the action of spring 34 of iron core 32, and the connection area of fluid channel 31 increases
Add, the first pipeline 2m pressure reduces.Since the oil inlet pipe 17a and oil outlet pipe 17b of variation rigidity stabiliser bar 1 are respectively connected to first
In pipeline 2m and the second pipeline 2n, the pressure of fluid chamber 111a, 112a (referring to Fig. 7) is with above-mentioned first in variation rigidity stabiliser bar 1
The variation of pressure in pipeline 2m and the second pipeline 2n and change, so as to change the first spline tooth in fluid chamber 111a, 112a
13 and second spline tooth 14 relative position, increase or decrease the rigidity value of variation rigidity stabiliser bar 1.
The variation of oil liquid pressure causes variation rigidity steady in variation rigidity stabiliser bar 1 fluid chamber 111a, 112a described further below
The principle that the rigidity value of fixed pole 1 changes.
Incorporated by reference to referring to Fig. 6, Fig. 7 and Fig. 8, the variation rigidity stabiliser bar in the present embodiment includes：
The first outer bar 111 and the second outer bar 112 being linked together are fastened, 111,112 are respectively equipped with fluid chamber in two outer bars
111a、112a；
First, which stablizes club shaft 121 and second, stablizes club shaft 122, and two ends for stablizing club shaft 121,122 respectively can
The sealing of rotation is plugged in fluid chamber 111a, 112a of two outer bars 111,112；And
The first spline tooth 13 and the second spline tooth 14 being separately positioned in fluid chamber 111a, 112a, the first spline tooth 13
It is connect respectively with two stabilization club shafts 121,122, the second spline tooth 14 is connect with two outer bars 111,112 respectively, the first spline tooth
13 and second spline tooth 14 connect, between two stabilization club shafts 121,122 and two spline tooths 13,14 connection have elastic component 15；
Wherein：The oil inlet pipe fluid chamber 111a, 112a to be communicated with the outside is respectively equipped in two outer bars 111,112
Road 17a and oil outlet pipe 17b.
By setting oil inlet pipe 17a and oil outlet pipe 17b, fluid chamber 111a, 112a can be made to be communicated with the outside, this
Sample can external force change the pressure of fluid in fluid chamber 111a, 112a, to make two spline tooths 13,14 that can stablize respectively along two
The axis T movements of club shaft 121,122, change the length that two outer bars 111,112 intervene entire stabiliser bar.
In preferred embodiment, install to hold two stabilization club shafts respectively in the open end of two outer bars 111,112
121,122 end cap 161.To ensure the leakproofness of fluid chamber 111a, 112a, the inner walls of end cap 161 and two outer bars 111,112 it
Between installing sealing ring 162 can seal oil when can ensure that two stabilization club shafts 121,122 are rotated relative to end cap 161
Fluid in sap cavity 111a, 112a.
In preferred embodiment, two stabilization club shafts 121,122 are rotatably coupled on bearing 19, are set in bearing 19
There are bushing (not shown), two stabilization club shafts 121,22 that can be rotated relative to bushing.Bearing 19 is played stablizes club shaft to two
121, the 122 fixed effect of support.
In preferred embodiment, connects and have elastic component between two stabilization club shafts 121,122 and two spline tooths 13,14
15.Elastic element 15 is a spring in the present embodiment, and effect is：When the pressure of fluid in fluid chamber 111a, 112a is 0
When, elastic element can make two spline tooths 13,14 rapidly return back to initial position.
The concrete structure and connection structure of the first spline tooth 13 and the second spline tooth 14 are introduced in detail below.
First spline tooth 13 is separately positioned on after mutually being assembled with the second spline tooth 14 in fluid chamber 111a, 112a, wherein：The
One spline tooth 13 is connect with two stabilization club shafts 121,122 respectively, and the second spline tooth 14 is connect with two outer bars 111,112 respectively,
First spline tooth 13 and the connection of the second spline tooth 14.
In conjunction with referring to shown in Fig. 9-Figure 11, the substantially stair-stepping round platform of global shape of the first spline tooth 13, section
It is convex.The middle part perforation of first spline tooth 13 opens up the internal spline 131 for being separately connected two stabilization club shafts 121,122.
When it is implemented, opening up external splines compatible with the internal spline 131 respectively on two stabilization club shafts 121,122.In this way, when two
When stablizing club shaft 121,122 Forced rotation, the first spline tooth 13 can stablize club shaft 121,122 with two respectively and link.This
In embodiment, four mounting grooves 132 are equidistantly opened up on a side end face 13a of the first spline tooth 13, which is in cube
Shape.
Second spline tooth 4 can be socketed on the first spline tooth 13, the periphery of the second spline tooth 14 opens up in annular shape
To connect the external splines 141 of two outer bars 111,112 inner walls.When it is implemented, being opened up respectively on the inner wall of two outer bars 111,112
Internal spline compatible with the external splines 141.In this way, when the first spline tooth 13 and two stablizes club shaft 121,122 and links, by
It is connected with the second spline tooth 14 in the first spline tooth 13, twisting resistance can be reached in two outer bars 111,112.
First spline tooth 13 and the second spline tooth 14 are assembled by such as lower structure：One side end face of the second spline tooth 14
Shape and structure four mounting grooves 142 identical with four 132 planforms of mounting groove on the first spline tooth 13 are opened up on 14a.When
After the end face 13a of the end face 14a of second spline tooth 14 towards the first spline tooth 13 socket-connects, four installations of the first spline tooth 13
Slot 132 can dock formation one to place the cavity of driving member 181 with four mounting grooves 142 of the second spline tooth 14 respectively
(mounting groove 132,142).In the present embodiment, driving member 181 is a straight pin.
Preferably, the first spline tooth 13 is equipped with to be spent to second on the axis direction relative to the first spline tooth 13
The clip 133 that key teeth 14 is limited.Clip 133 is the clamping ring with an opening, it is shown in Figure 12.When it is implemented,
A line of rabbet joint (not shown) can be opened up to be socketed on the end face of the second spline tooth 14 in the first spline tooth 13, when the second spline tooth
It, can be by clip 133 in the line of rabbet joint after 14 are socketed on the first spline tooth 13.In this way, clip 133 just can prevent two flowers
Key teeth 13,14 is detached in axis direction, is realized and is turned relatively between not interfering with two spline tooths 13,14 while the two fastening again
It is dynamic.
First spline tooth 13 and the second spline tooth 14 are sequentially connected by such as lower structure：Since above-mentioned position is corresponding
Mounting groove 132,142 in be placed with driving member 181 respectively.In this way, after 13 stress of the first spline tooth reverses certain angle just
Twisting resistance can be reached on the second spline tooth 14 by driving member 181.It is understood that the side end face of the first spline tooth 13
The corresponding shape for opening up mounting groove 132,142 and position are not limited to above-mentioned on the side end face 14a of 13a and the second spline tooth 14
Embodiment can be adjusted according to actual needs, such as mounting groove cylindrical after three docking of equidistant arrangement
132、142.Mounting groove 132,142 is equidistantly opened on the end face of the first spline tooth 13 and the second spline tooth 14, is to ensure
The transmission of power evenly, is also more convenient for assembling between two spline tooths.
In preferred embodiment, the length for the driving member 181 (straight pin) being equipped in multiple mounting grooves 132,142 is less than
The length of mounting groove.Further, straight pin can also be more than in the external sheathed spring 182 of straight pin, the length of spring 182
Length.Further, the length of spring 182 can also be arranged to the length less than mounting groove 132,142.
The operation principle of the control device of variation rigidity stabiliser bar in the present embodiment described further below：When above-mentioned 5th acquisition
When the output of unit 95 increases the electric signal of fluid chamber 111a, 112a pressure, the connection area of the fluid channel 31 of solenoid valve 3 subtracts
Small, the pressure rise in oil inlet pipe 2m, the pressure rise in fluid chamber 111a, 112a makes two spline tooths 13,14 respectively along two
When the axis T of stable club shaft 121,122 is moved to end, the rigidity of stabiliser bar increases；It is dropped when the 5th acquiring unit 95 exports
When the electric signal of low fluid chamber 111a, 112a pressure, the connection area of the fluid channel 31 of solenoid valve 3 increases, oil inlet pipe 2m
In pressure reduction, the pressure reduction in fluid chamber 111a, 112a, two spline tooths 13,14 reset, and the rigidity of stabiliser bar reduces,
To realize that the rigidity of stabiliser bar realizes consecutive variations in a certain range.Smaller inclination is realized when vehicle roll angle is smaller
Rigidity improves comfort；When vehicle roll angle is larger, roll stiffness is improved, improves the safety of vehicle bend traveling.
Variation rigidity of the present invention is stablized in the other embodiment of bar controlling, and the control device of variation rigidity stabiliser bar also wraps
It includes：It is respectively connected to the first pipeline 2m and the second pipeline 2n, to make a part of fluid flow to the second pipeline 2n by the first pipeline 2m
Overflow valve 4.Flow in 4 control piper of overflow valve causes pressure rise too fast when the flow in the first pipeline 2m is excessive
When, overflow valve 4 makes a part of fluid flow to low pressure line by pressure duct, ensures safety.In addition, the control of variation rigidity stabiliser bar
Device further includes：The second pipeline 2n is accessed, to supplement the fluid compensating tank 5 of fluid, fluid compensating tank 5 into the second pipeline 2n
It is necessary to when into the second pipeline 2n supplement fluid, prevent pipeline oil very few.
The control method and control device of the variation rigidity stabiliser bar of the present invention, have the advantages that：Inclined according to vehicle
Signal initial value, the first revise signal and second revise signal at oblique angle obtain to change the actual tilt angles with vehicle
Spend the execution electric signal of the rigidity value of compatible variation rigidity stabiliser bar；According to the execution electric signal, solenoid valve adjusts variation rigidity
The pressure of fluid chamber in stabiliser bar changes the relative position of the first spline tooth and the second spline tooth in fluid chamber, increases or decreases
The rigidity value of variation rigidity stabiliser bar, to realize that the rigidity of stabiliser bar realizes consecutive variations in a certain range.In vehicle roll
Smaller roll stiffness is realized when angle is smaller, improves comfort；When vehicle roll angle is larger, roll stiffness is improved, improves vehicle
The safety of negotiation of bends.
Claims (11)
1. a kind of control method of variation rigidity stabiliser bar, which is characterized in that include the following steps：
Step S10, according to vehicle bend speed when driving and turning radius signal, the signal for obtaining inclination of vehicle angle is initial
Value；
Step S20 is obtained and is carried out for the first time to the signal initial value according to the rotary angle signal of steering wheel when Vehicular turn
First revise signal of fine tuning crosses zig zag to improve the quick lane change of vehicle or control vehicle；
Step S30, signal and yaw rate signal are jumped according to left and right vehicle wheel wheel and the vehicle of storage it is expected to tilt angle signal into
The difference that row compares obtains the second revise signal that second of fine tuning is carried out to the signal initial value；And
Step S40 is corrected according to the signal initial value at the inclination of vehicle angle, first revise signal and described second and is believed
Number, it obtains to change the execution electric signal of variation rigidity stabiliser bar rigidity value compatible with the actual angle of inclination of vehicle, root
According to the actual angle of inclination, the rigidity value of variation rigidity stabiliser bar is adjusted to compatible with the actual angle of inclination rigid therewith
Angle value realizes smaller roll stiffness when vehicle roll angle is smaller, when vehicle roll angle is larger, improves roll stiffness.
2. the control method of variation rigidity stabiliser bar as described in claim 1, which is characterized in that include after the step S40
Following steps：
Step S50 adjusts the pressure of fluid chamber in variation rigidity stabiliser bar, changes the fluid chamber according to the execution electric signal
In the first spline tooth and the second spline tooth relative position, increase or decrease the rigidity value of variation rigidity stabiliser bar.
3. the control method of variation rigidity stabiliser bar as claimed in claim 2, which is characterized in that the step S50 includes following
Step：
Step S501, the oil inlet pipe and oil outlet pipe of variation rigidity stabiliser bar are respectively connected to the first pipeline and the second pipeline, in institute
The stream of size can be adjusted according to the execution electric signal by stating setting connection area between the first pipeline and second pipeline
Body channel；
The connection area of step S502, the fluid channel reduce, and make the oil inlet pipe pressure rise, first spline tooth
Axis together with second spline tooth along the stabilization club shaft of variation rigidity stabiliser bar moves；
The connection area of step S503, the fluid channel increase, and make the oil inlet pipe pressure reduction, the stable club shaft
The elastic element being arranged between first spline tooth and second spline tooth makes two spline tooth returns.
4. the control method of variation rigidity stabiliser bar as claimed in claim 3, which is characterized in that the control of the variation rigidity stabiliser bar
Method processed further includes：The step of making a part of fluid flow to second pipeline by first pipeline.
5. the control method of variation rigidity stabiliser bar as claimed in claim 3, which is characterized in that the control of the variation rigidity stabiliser bar
Method processed further includes：The step of fluid is supplemented into second pipeline.
6. a kind of control device of variation rigidity stabiliser bar, which is characterized in that including：
According to vehicle bend speed when driving and turning radius signal, to obtain the first of inclination of vehicle angle signal initial value
Acquiring unit；According to steering wheel rotary angle signal when Vehicular turn, to obtain and be carried out for the first time to the signal initial value
Fine tuning, and obtain the second acquisition unit of the first revise signal；To jump signal and yaw velocity letter according to left and right vehicle wheel wheel
Number, obtain the third acquiring unit of inclination of vehicle angle signal；
To store the memory that vehicle it is expected inclination angle signal；
The comparator of inclination angle signal difference it is expected to compare inclination of vehicle angle signal with vehicle；
According to the comparison result of comparator, to obtain and carry out second of fine tuning to the signal initial value, and obtain second and repair
4th acquiring unit of positive signal；And
According to the signal initial value at the inclination of vehicle angle, first revise signal, second revise signal, to obtain
Rigidity value to change variation rigidity stabiliser bar compatible with the actual angle of inclination of vehicle executes the 5th of electric signal and obtains
Unit, wherein：
The third acquiring unit and the memory are electrically connected with the comparator respectively, and the comparator is obtained with the described 4th
Unit is taken to be electrically connected, the first acquisition unit, the second acquisition unit and the 4th acquiring unit are respectively with the described 5th
Acquiring unit is electrically connected, and the control device of the variation rigidity stabiliser bar is according to the actual angle of inclination, by variation rigidity stabiliser bar
Rigidity value be adjusted to rigidity value compatible with the actual angle of inclination therewith, when vehicle roll angle is smaller realize it is smaller
Roll stiffness improves roll stiffness when vehicle roll angle is larger.
7. the control device of variation rigidity stabiliser bar as claimed in claim 6, which is characterized in that the control of the variation rigidity stabiliser bar
Device processed further includes：
Steering wheel angle sensor and vehicle speed sensor；
Steering wheel angle speed sensor；And
Left and right wheels jump set sensor and vehicle body yaw-rate sensor, wherein：
The steering wheel angle sensor and the vehicle speed sensor are electrically connected with the first acquisition unit respectively, the direction
Disk angle speed sensor is electrically connected with the second acquisition unit, and the left and right wheels jump set sensor and the vehicle body yaw velocity pass
Sensor is electrically connected with the third acquiring unit respectively.
8. the control device of variation rigidity stabiliser bar as claimed in claims 6 or 7, which is characterized in that the variation rigidity stabiliser bar
Control device further include：
According to the execution electric signal, to adjust the solenoid valve of fluid cavity pressure in variation rigidity stabiliser bar；
Hydraulic pump；
It is connected to the first pipeline and the second pipeline that loop is formed on the hydraulic pump, wherein variation rigidity stabiliser bar
Oil inlet pipe and oil outlet pipe be respectively connected in first pipeline and second pipeline, the solenoid valve and the described 5th
Acquiring unit is electrically connected.
9. the control device of variation rigidity stabiliser bar as claimed in claim 8, which is characterized in that the solenoid valve includes：
The fluid channel being arranged between first pipeline and second pipeline；
The both sides of the fluid channel are respectively provided to change the iron core and magnet that the fluid channel connects area, the iron
Spring of the core connection one to reset.
10. the control device of variation rigidity stabiliser bar as claimed in claim 8, which is characterized in that the variation rigidity stabiliser bar
Control device further includes：
It is respectively connected to first pipeline and second pipeline, to make a part of fluid described in first pipeline flow direction
The overflow valve of second pipeline.
11. the control device of variation rigidity stabiliser bar as claimed in claim 8, which is characterized in that the variation rigidity stabiliser bar
Control device further includes：
Second pipeline is accessed, to supplement the fluid compensating tank of fluid into second pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241549.XA CN105172515B (en) | 2014-06-03 | 2014-06-03 | A kind of control method and control device of variation rigidity stabiliser bar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410241549.XA CN105172515B (en) | 2014-06-03 | 2014-06-03 | A kind of control method and control device of variation rigidity stabiliser bar |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105172515A CN105172515A (en) | 2015-12-23 |
| CN105172515B true CN105172515B (en) | 2018-09-28 |
Family
ID=54895141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410241549.XA Active CN105172515B (en) | 2014-06-03 | 2014-06-03 | A kind of control method and control device of variation rigidity stabiliser bar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105172515B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109606058A (en) * | 2019-01-16 | 2019-04-12 | 杭州米氪科技有限公司 | A kind of horizontal stabilizer bar structure of stiffness variable |
| CN112937244B (en) * | 2019-12-11 | 2022-07-15 | 比亚迪股份有限公司 | Active stabilizer bar and vehicle |
| CN113879064B (en) * | 2020-07-03 | 2023-09-08 | 宇通客车股份有限公司 | Control method and corresponding control system for variable-stiffness stabilizer bar |
| CN114475139B (en) * | 2022-01-18 | 2024-03-26 | 奇瑞汽车股份有限公司 | Automobile suspension stabilizing device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4962943A (en) * | 1989-10-30 | 1990-10-16 | Lin Chien Hung | Stabilizer bar unit the torsion to the wheels of which is capable of being automatically adjusted |
| CN203211051U (en) * | 2013-04-11 | 2013-09-25 | 浙江万向系统有限公司 | Stabilizer bar system adopting hydraulic supporting and based on rigidity adjusting device in middle of bar body |
| CN203888570U (en) * | 2014-06-03 | 2014-10-22 | 广州汽车集团股份有限公司 | Device for controlling stiffness-variable stabilizer bar |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5217245A (en) * | 1991-09-03 | 1993-06-08 | Monroe Auto Equipment Company | Switchable roll-stabilizer bar |
| JPH0732845A (en) * | 1993-07-15 | 1995-02-03 | Nissan Motor Co Ltd | Suspension control device for vehicle |
| KR100471856B1 (en) * | 2002-09-24 | 2005-03-08 | 현대자동차주식회사 | Variable stabilizer of vehicles |
| US7798508B2 (en) * | 2008-01-04 | 2010-09-21 | Altair Engineering, Inc. | Active stabilizer bar system for a vehicle chassis |
-
2014
- 2014-06-03 CN CN201410241549.XA patent/CN105172515B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4962943A (en) * | 1989-10-30 | 1990-10-16 | Lin Chien Hung | Stabilizer bar unit the torsion to the wheels of which is capable of being automatically adjusted |
| CN203211051U (en) * | 2013-04-11 | 2013-09-25 | 浙江万向系统有限公司 | Stabilizer bar system adopting hydraulic supporting and based on rigidity adjusting device in middle of bar body |
| CN203888570U (en) * | 2014-06-03 | 2014-10-22 | 广州汽车集团股份有限公司 | Device for controlling stiffness-variable stabilizer bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105172515A (en) | 2015-12-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105172515B (en) | A kind of control method and control device of variation rigidity stabiliser bar | |
| EP3160823B1 (en) | Mixed power steering comprising a torque control loop controlled to a setpoint by a position controller intended for trajectory control | |
| CN103419833B (en) | Transfer | |
| CN107207039A (en) | Power steering gear | |
| CN103026051B (en) | Asymmetric engaging mechanism | |
| CN106494496B (en) | Steering control device and rotating direction control method | |
| CN108394459B (en) | vehicle steering control method and system and vehicle | |
| JP5523894B2 (en) | Control device for electric power steering device | |
| CN103534109B (en) | Suspension device for rolling stock | |
| JP4633175B2 (en) | Rear wheel toe angle controller | |
| WO2018173305A1 (en) | Road surface determination device, suspension control device, and suspension device | |
| CN105247245B (en) | Feed screw apparatus | |
| JP2009226972A (en) | Geometry varying device | |
| CN203888571U (en) | Stiffness-variable stabilizer bar structure and automobile | |
| CN106143599A (en) | Wheel steering angle measurement apparatus, control system, measuring method and control method | |
| FR2840376A1 (en) | HOMOCINETIC JOINT TRIPODE | |
| CN203888570U (en) | Device for controlling stiffness-variable stabilizer bar | |
| FR2903380A1 (en) | Aircraft dynamic controlling device for e.g. micro convertible drone system, involves controlling aircraft by propeller engines, where engines arranged in diagonal manner rotate with respect to each other in same direction | |
| CN107620766A (en) | Hub with center nut | |
| US10981562B2 (en) | Vehicle stability control device | |
| CN209080143U (en) | A kind of ducted fan structure and unmanned plane | |
| CN107891745A (en) | Drive the control device of force transfering device | |
| CN204330799U (en) | Pick-up unit, cable guide element and sensor element | |
| CN106671717A (en) | Vehicle and suspension thereof, spring device of suspension | |
| CN105313633A (en) | Variable rigidity stabilizer bar structure and automobile |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |