CN106828004A - A kind of laterally interconnection air suspension imitative ceiling interconnection state control system and control method - Google Patents
A kind of laterally interconnection air suspension imitative ceiling interconnection state control system and control method Download PDFInfo
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- CN106828004A CN106828004A CN201611118739.8A CN201611118739A CN106828004A CN 106828004 A CN106828004 A CN 106828004A CN 201611118739 A CN201611118739 A CN 201611118739A CN 106828004 A CN106828004 A CN 106828004A
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- magnetic valve
- control system
- interconnection
- air spring
- unsprung mass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/0152—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
- B60G17/0155—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit pneumatic unit
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/019—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the type of sensor or the arrangement thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/052—Pneumatic spring characteristics
- B60G17/0523—Regulating distributors or valves for pneumatic springs
- B60G17/0528—Pressure regulating or air filling valves
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
- B60G2202/10—Type of spring
- B60G2202/15—Fluid spring
- B60G2202/152—Pneumatic spring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
- B60G2600/18—Automatic control means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
- B60G2600/21—Self-controlled or adjusted
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/90—System Controller type
- B60G2800/91—Suspension Control
Abstract
The invention provides a kind of laterally interconnection air suspension imitative ceiling interconnection state control system and control method, magnetic valve is provided with the laterally connecting line of interconnection air spring, the opening and closing of magnetic valve is determined by control system and driven through drive circuit.Control system disclosed by the invention can be according to vehicle under different driving cycles " sprung mass angle of heel " and " unsprung mass angle of heel " output solenoid valve control signal, and by drive circuit change magnetic valve open and-shut mode.The present invention can reach the purpose for suppressing sprung mass roll motion with Reasonable adjustment suspension roll stiffness, and separate to antero posterior axis solenoid valve control.
Description
Technical field
The present invention relates to a kind of vehicle air suspension system, and in particular to a kind of air suspension with horizontal interconnection architecture
System and control method.
Background technology
The features such as air suspension is because with preferable stiffness characteristics with being easy to bodywork height to adjust, in the application of automotive field
It is increasing.Further to lift air suspension dynamic performance, on the basis of conventional air suspension, domestic and foreign scholars are proposed
Many derived structures, interconnection air suspension just belongs to one of them.Interconnection air suspension can be divided into laterally interconnection and be interconnected with longitudinal direction, its
Middle laterally interconnection is vehicle coaxial air spring is linked together mutual contact mode using pneumatic line, and it is profit that longitudinal direction interconnects
Homonymy air spring is linked together mutual contact mode with pneumatic line.Research both at home and abroad shows that air spring interconnection can be carried
The vibration isolation of litres of air suspension and the torsion ability that disappears, are further to lift one of approach of air suspension vehicle ride performance, and phase
Identical interconnection effect can be reached using shorter thinner interconnecting pipes than in longitudinal interconnection, laterally interconnecting air suspension, it is more suitable
For the vehicle that chassis space is limited.Although interconnection air suspension has above advantage, only interconnection air suspension in longitudinal direction exists at present
Heavy goods vehicle field is commercially available, and range of application is not wide, and laterally interconnecting air suspension has not been put to produce reality.Make
It is to lack ripe interconnection state control theory due to current into the main cause of this phenomenon, thus cannot makes up due to sky
The problem that roll stiffness or pitch stiffness decline caused by the interconnection of gas spring.
Interconnection suspension can be divided into interconnection air suspension, interconnection hydraulic suspension and interconnection hydro pneumatic suspension etc. according to power transmission medium.
According to interconnection hydraulic suspension, such as result of study in interconnection hydro pneumatic suspension field, the patent of invention of Jiangsu University Wang Ruo dirt《It is a kind of
Hydraulic pressure interconnects feed energy suspension and its control method》, Guo Konghui etc. patent of invention《Flexible commissure shock absorber and commissure suspension system
System》, controlled by implementing interconnection state, can effectively alleviate the contradiction of vehicle ride performance and control stability.Due to mutual
Join the similitude of suspension work principle, it is reasonable to think, if rational air suspension interconnection state control policy can be set up, equally
This contradiction can be alleviated, so as to make up the shortcoming of interconnection air suspension.
The content of the invention
For above-mentioned the deficiencies in the prior art, in combination with interconnection air suspension field newest research results, the present invention is carried
Go out a kind of laterally interconnection air suspension interconnection state control system and control method, it with reference to Sky-hook control thought, draws
Enter " sprung mass angle of heel " and " unsprung mass angle of heel " two control parameters, according to different driving cycle lower sensor systems
The actual parameter for measuring calculates two control parameters, and control system exports rational control signal extremely according to the change of control parameter
Control circuit, control circuit interconnects the interconnection state of air suspension according to the opening and closing of control signal drive magnetic valve to change, to adjust
The roll characteristics of vehicle are saved, so as to realize the coordination control to the ride comfort and control stability of vehicle traveling.
Technical scheme：
A kind of air suspension interconnects state control system, and it includes sensor assembly, interconnection status control module and interconnection
State performing module；
The sensor assembly includes being respectively arranged in the first unsprung mass, the second unsprung mass, the 3rd unsprung mass, the
The first displacement transducer, second displacement sensor at four unsprung mass, triple motion sensor, the 4th displacement transducer, point
The deformation quantity L of air spring Yong Yu not gathered1、L2、L3、L4, and the deformation quantity of the air spring that will be collected is converted to voltage letter
Number it is supplied to interconnection status control module；And the obliquity sensor at sprung mass barycenter is installed on, for measuring matter on spring
Amount angle of heel θ；
The interconnection status control module is control system, the deformation of the air spring for being gathered according to sensor assembly
Amount L1、L2、L3、L4And sprung mass angle of heel θ, using formula
Front axle unsprung mass angle of heel θ is calculated respectivelyt1, rear axle unsprung mass angle of heel θt2, wherein BwFor between the unsprung mass barycenter of left and right
Horizontal range；And according to θ (θ-θt1)、θ(θ-θt2) size, formed interconnection state control signal, held to the interconnection state
Row mould output control decision-making；
The interconnection state performing module includes the first magnetic valve, the second magnetic valve and drive circuit, the first magnetic valve peace
Loaded on front axle air spring interconnecting pipes, the inflation inlet of the air inlet of the first magnetic valve and the second air spring for being located at left side
It is connected, the gas outlet of the first magnetic valve is connected with the first air spring inflation inlet positioned at right side；After second magnetic valve is installed on
On axle air spring interconnecting pipes, the air inlet of the second magnetic valve is connected with the 4th air spring inflation inlet positioned at left side, the
The gas outlet of two magnetic valves is connected with the 3rd air spring inflation inlet positioned at right side；The drive circuit and control system, the
One magnetic valve, the second magnetic valve are connected, according to the interconnection state control signal that control system is exported, to the first magnetic valve and second
Magnetic valve sends drive signal, to control the open and-shut mode of the first magnetic valve and the second magnetic valve.
Further, first displacement transducer, second displacement sensor, triple motion sensor, the 4th displacement is passed
Sensor is stay-supported sensor.
Further, first displacement transducer, second displacement sensor, triple motion sensor, the 4th displacement is passed
The upper end of sensor is respectively arranged on the first unsprung mass, the second sprung mass, the 3rd sprung mass, the 4th sprung mass, under
End is respectively arranged on the first unsprung mass, the second unsprung mass, the 3rd unsprung mass, the 4th unsprung mass.
Described air suspension interconnects the control method of state control system, it is characterised in that comprise the following steps,
Step 1：Obliquity sensor, the first displacement transducer, second displacement sensor, triple motion sensor, the 4th
Displacement sensor Real-time Collection sprung mass angle of heel θ and the first air spring, the second air spring, the 3rd air spring, the 4th
The deformation quantity L of air spring1、L2、L3、L4, and the information that will be collected is converted into electric signal and is supplied to control system；
Step 2：The deformation of sprung mass angle of heel θ, the first air spring that control system is provided according to sensor assembly
The air spring of flow control two, the 3rd air spring, the deformation quantity L of the 4th air spring1、L2、L3、L4With left and right unsprung mass barycenter
Between horizontal range Bw, calculate front axle unsprung mass angle of heel θt1, rear axle unsprung mass angle of heel θt2, computing formula is as follows：
Step 3：Control system is according to θ (θ-θt1)、θ(θ-θt2) size output control decision-making：
If θ (θ-θt1) ＞ 0, then control system is to drive circuit output the first magnetic valve " closing " signal, drive circuit pair
First magnetic valve exports low level signal, the first closed electromagnetic valve；
If θ (θ-θt1)≤0, then control system is to drive circuit output the first magnetic valve " unlatching " signal, drive circuit pair
First magnetic valve exports high level signal, and the first magnetic valve is opened；
If θ (θ-θt2) ＞ 0, then control system is to drive circuit output the second magnetic valve " closing " signal, drive circuit pair
Second magnetic valve exports low level signal, the second closed electromagnetic valve；
If θ (θ-θt2)≤0, then control system is to drive circuit output the second magnetic valve " unlatching " signal, drive circuit pair
Second magnetic valve exports high level signal, and the second magnetic valve is opened.
The present invention connects the air chamber of two air springs of left and right with the pneumatic line for being provided with magnetic valve, by sensor assembly
The change of the vehicle driving-cycle for measuring, according to interconnection state control algorithm, changes the interconnection state of interconnection air suspension, to reach
To Reasonable adjustment suspension roll stiffness, effective purpose for suppressing sprung mass catenary motion.The present invention also has structure letter simultaneously
The advantages of list, low cost, robustness high.
Brief description of the drawings
Fig. 1 is the imitative ceiling state control system structural representation of laterally interconnection air suspension involved in the present invention.
Fig. 2 laterally interconnects air suspension structure schematic diagram for imitative ceiling state control system front axle involved in the present invention.
Fig. 3 is the imitative ceiling state control system control flow of laterally interconnection air suspension involved in the present invention.
In figure：
The unsprung mass of 1- first, the displacement transducers of 2- first, the air suspensions of 3- first, the magnetic valves of 4- first, 5- second is empty
Gas suspension, 6- second displacement sensors, the unsprung mass of 7- second, the unsprung mass of 8- the 3rd, 9- triple motion sensors, 10-
Three air suspensions, the magnetic valves of 11- second, the air suspensions of 12- the 4th, the displacement transducers of 13- the 4th, the unsprung mass of 14- the 4th,
15- obliquity sensors, 16- control systems, 17- drive circuits, 18- sprung mass, the air springs of 19- first, the dampings of 20- first
Device, the dampers of 21- second, 22 second air springs.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further illustrated, but protection scope of the present invention is simultaneously
Not limited to this.
The imitative ceiling state control system of laterally interconnection air suspension of the present invention as shown in figure 1, including：Sensor die
Block, interconnection status control module and interconnection state performing module.The sensor assembly is used for Real-time Collection vehicle driving-cycle
Information, and provide information to interconnect status control module；The interconnection status control module can be provided according to sensor assembly
Vehicle driving-cycle information, according to a kind of imitative ceiling interconnection state control algorithm of laterally interconnection air suspension, form interconnection
State control signal, there is provided give interconnection state performing module；The interconnection state performing module is according to interconnection status control module
The interconnection state control signal of offer, execute instruction.
The sensor assembly includes being respectively arranged in the first unsprung mass 1, the second unsprung mass 7, the 3rd unsprung mass
8th, the first displacement transducer 2, second displacement sensor 6, triple motion sensor 9, the 4th displacement at the 4th unsprung mass 14
Sensor 13, is respectively used to gather the deformation quantity L of air spring1、L2、L3、L4, and the air spring that will be collected deformation quantity
Be converted to voltage signal and be supplied to interconnection status control module.And it is installed on the obliquity sensor 15 at sprung mass barycenter,
For measuring sprung mass angle of heel θ.First displacement transducer 2, second displacement sensor 6, triple motion sensor 9,
4th displacement transducer 13 is stay-supported sensor.First displacement transducer 2, second displacement sensor 6, triple motion
Sensor 9, the upper end of the 4th displacement transducer 13 are respectively arranged in matter on the first unsprung mass 1, the second sprung mass, the 3rd spring
Amount, on the 4th sprung mass, lower end is respectively arranged in the first unsprung mass 1, the second unsprung mass 7, the 3rd unsprung mass 8, the
On four unsprung mass 14.
The interconnection status control module is control system 16, the shape of the air spring for being gathered according to sensor assembly
Variables L1、L2、L3、L4And sprung mass angle of heel θ, using formula
Front axle unsprung mass angle of heel θ is calculated respectivelyt1, rear axle unsprung mass angle of heel θt2, wherein BwFor between the unsprung mass barycenter of left and right
Horizontal range；And according to θ (θ-θt1)、θ(θ-θt2) size, formed interconnection state control signal, held to the interconnection state
Row mould output control decision-making.
The interconnection state performing module includes the first magnetic valve 4, the second magnetic valve 11 and drive circuit 17, the first electromagnetism
Valve 4 is installed on front axle air spring interconnecting pipes, the air inlet of the first magnetic valve 4 be located at left side the second air spring 22
Inflation inlet be connected, the gas outlet of the first magnetic valve 4 be located at right side the first air spring inflation inlet be connected.Second magnetic valve
11 are installed on rear axle air spring interconnecting pipes, and the air inlet of the second magnetic valve 11 fills with the 4th air spring positioned at left side
Gas port is connected, and the gas outlet of the second magnetic valve 11 is connected with the 3rd air spring inflation inlet positioned at right side；The drive circuit
17 are connected with control system 16, the first magnetic valve 4, the second magnetic valve 11, according to the interconnection state control that control system 16 is exported
Signal, drive signal is sent to the first magnetic valve 4 and the second magnetic valve 11, to control the first magnetic valve 4 and the second magnetic valve 11
Open and-shut mode.When drive circuit 17 exports high level signal, magnetic valve is opened, and gas can occur between the air suspension of left and right
Exchange.When drive circuit 17 exports low level signal, closed electromagnetic valve can not occur gas friendship between the air suspension of left and right
Change.
Fig. 2 show automobile front-axle laterally interconnection air suspension, and the first air suspension 3 is by the first air spring 19 and first
Shock absorber 20 is constituted, and it is the first sprung mass 18 that its top carries quality, and quality of connection is the first unsprung mass 11 below.The
Two air suspensions 5 are made up of the second air spring 22 and the second shock absorber 21, and it is the second sprung mass 18 that its top carries quality,
Quality of connection is the second unsprung mass 7 below.Sprung mass angle of heel θ is measured by obliquity sensor 15, the first air spring
19th, the deformation quantity L of the second air spring 221、L2Measured by the first displacement transducer 2, second displacement sensor 6.It is coaxial left and right
Unsprung mass barycenter line is unsprung mass angle of heel θ with horizontal plane anglet, then axle unsprung mass angle of heel is θt1、
θt2, the horizontal range between the unsprung mass barycenter of left and right is Bw。
The imitative ceiling interconnection state rate-determining steps of laterally interconnection air suspension are provided by taking front axle as an example below, as shown in Figure 3.
Step 1：On obliquity sensor 15, the first displacement transducer of stay-supported 2, the Real-time Collection spring of second displacement sensor 6
Quality angle of heel θ and the first air spring 19, the deformation quantity L of the second air spring 221And L2, and the information conversion that will be collected
For electric signal is supplied to control system 16.
Step 2：Sprung mass angle of heel θ, the deformation quantity of air spring that control system 16 is provided according to sensor assembly
L1、L2And the horizontal range Bw between the unsprung mass barycenter of left and right, calculate front axle unsprung mass angle of heel θt1, computing formula is as follows：
Step 3：Control system 16 is according to θ (θ-θt1) size output control decision-making.
If θ (θ-θt1) ＞ 0, then control system 16 export " closing " signal, 17 pairs of the first magnetic valves 4 of drive circuit export low
Level signal, the first magnetic valve 4 is closed；
If θ (θ-θt1)≤0, then control system 16 export " unlatching " signal, 17 pairs of the first magnetic valves 4 of drive circuit export height
Level signal, the first magnetic valve 4 is opened.
The open and-shut mode of the first magnetic valve 4 and the second magnetic valve 11 is separate, and control system 16 is according to stay-supported first
Displacement transducer 2, the air spring deformation quantity L of the collection of second displacement sensor 61、L2Matter on the spring gathered with obliquity sensor 15
Amount angle of heel θ, is controlled to the first magnetic valve 4；Control system 16 is according to triple motion sensor 9, the 4th displacement transducer
The air spring deformation quantity L of 13 collections3、L4The sprung mass angle of heel θ gathered with obliquity sensor 15, to the second electricity of rear axle
Magnet valve 11 is controlled.
Rear axle unsprung mass angle of heel θt2, computing formula is as follows：
Control system 16 is according to θ (θ-θt2) size output control decision-making, if θ (θ-θt2) ＞ 0, then control system 16 to
Drive circuit exports second magnetic valve 11 " closing " signal, and 17 pairs of the second magnetic valves 11 of drive circuit export low level signals, the
Two magnetic valves 11 are closed；
If θ (θ-θt2)≤0, then control system 16 is to drive circuit second magnetic valve 11 " unlatching " signal of output, driving electricity
17 pairs, the road output high level signal of the second magnetic valve 11, the second magnetic valve 11 is opened.
Preferred embodiment but the present invention is not limited to above-mentioned implementation method to the embodiment for of the invention, not
In the case of substance of the invention, any conspicuously improved, replacement that those skilled in the art can make
Or modification belongs to protection scope of the present invention.
Claims (4)
1. a kind of air suspension interconnects state control system, it is characterised in that including sensor assembly, interconnection status control module
With interconnection state performing module；
The sensor assembly includes being respectively arranged in the first unsprung mass (1), the second unsprung mass (7), the 3rd unsprung mass
(8), the first displacement transducer (2), second displacement sensor (6), the triple motion sensor at the 4th unsprung mass (14) place
(9), the 4th displacement transducer (13), is respectively used to gather the deformation quantity L of air spring1、L2、L3、L4, and the sky that will be collected
The deformation quantity of gas spring is converted to voltage signal and is supplied to interconnection status control module；And be installed at sprung mass barycenter
Obliquity sensor (15), for measuring sprung mass angle of heel θ；
The interconnection status control module is control system (16), the deformation of the air spring for being gathered according to sensor assembly
Amount L1、L2、L3、L4And sprung mass angle of heel θ, using formula
Front axle unsprung mass angle of heel θ is calculated respectivelyt1, rear axle unsprung mass angle of heel θt2, wherein BwFor between the unsprung mass barycenter of left and right
Horizontal range；And according to θ (θ-θt1)、θ(θ-θt2) size, formed interconnection state control signal, held to the interconnection state
Row mould output control decision-making；
The interconnection state performing module includes the first magnetic valve (4), the second magnetic valve (11) and drive circuit (17), the first electricity
Magnet valve (4) is installed on front axle air spring interconnecting pipes, the air inlet of the first magnetic valve (4) be located at left side the second air
The inflation inlet of spring (22) is connected, and the gas outlet of the first magnetic valve (4) is connected with the first air spring inflation inlet positioned at right side；
Second magnetic valve (11) is installed on rear axle air spring interconnecting pipes, the air inlet of the second magnetic valve (11) be located at left side
4th air spring inflation inlet be connected, the gas outlet of the second magnetic valve (11) be located at right side the 3rd air spring inflation inlet phase
Even；The drive circuit (17) is connected with control system (16), the first magnetic valve (4), the second magnetic valve (11), is according to control
The interconnection state control signal of system (16) output, drive signal is sent to the first magnetic valve (4) and the second magnetic valve (11), to control
Make the open and-shut mode of the first magnetic valve (4) and the second magnetic valve (11).
2. air suspension according to claim 1 interconnects state control system, it is characterised in that first displacement sensing
Device (2), second displacement sensor (6), triple motion sensor (9), the 4th displacement transducer (13) are stay-supported sensor.
3. air suspension according to claim 2 interconnects state control system, it is characterised in that first displacement sensing
Device (2), second displacement sensor (6), triple motion sensor (9), the upper end of the 4th displacement transducer (13) are respectively arranged in
On first unsprung mass (1), the second sprung mass, the 3rd sprung mass, the 4th sprung mass, lower end is respectively arranged in the first spring
Lower quality (1), the second unsprung mass (7), the 3rd unsprung mass (8), on the 4th unsprung mass (14).
4. air suspension according to claim 1 interconnects the control method of state control system, it is characterised in that including with
Lower step,
Step 1：Obliquity sensor (15), the first displacement transducer (2), second displacement sensor (6), triple motion sensor
(9), the 4th displacement transducer (13) Real-time Collection sprung mass angle of heel θ and the first air spring, the second air spring, the 3rd
The deformation quantity L of air spring, the 4th air spring1、L2、L3、L4, and the information that will be collected is converted into electric signal and is supplied to control
System (16) processed；
Step 2：The deformation of sprung mass angle of heel θ, the first air spring that control system (16) is provided according to sensor assembly
The air spring of flow control two, the 3rd air spring, the deformation quantity L of the 4th air spring1、L2、L3、L4With left and right unsprung mass barycenter
Between horizontal range Bw, calculate front axle unsprung mass angle of heel θt1, rear axle unsprung mass angle of heel θt2, computing formula is as follows：
Step 3：Control system (16) is according to θ (θ-θt1)、θ(θ-θt2) size output control decision-making：
If θ (θ-θt1) ＞ 0, then control system (16) is to drive circuit (17) output the first magnetic valve (4) " closing " signal, driving
Circuit (17) exports low level signal to the first magnetic valve (4), and the first magnetic valve (4) is closed；
If θ (θ-θt1)≤0, then control system (16) is to drive circuit (17) output the first magnetic valve (4) " unlatching " signal, driving
Circuit (17) exports high level signal to the first magnetic valve (4), and the first magnetic valve (4) is opened；
If θ (θ-θt2) ＞ 0, then control system (16) 16 to drive circuit (17) export the second magnetic valve (11) " closing " signal,
Drive circuit (17) exports low level signal to the second magnetic valve (11), and the second magnetic valve (11) is closed；
If θ (θ-θt2)≤0, then control system (16) is to drive circuit (17) output the second magnetic valve (11) " unlatching " signal, drive
Dynamic circuit (17) exports high level signal to the second magnetic valve (11), and the second magnetic valve (11) is opened.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611118739.8A CN106828004A (en) | 2016-12-08 | 2016-12-08 | A kind of laterally interconnection air suspension imitative ceiling interconnection state control system and control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611118739.8A CN106828004A (en) | 2016-12-08 | 2016-12-08 | A kind of laterally interconnection air suspension imitative ceiling interconnection state control system and control method |
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| CN201611118739.8A Pending CN106828004A (en) | 2016-12-08 | 2016-12-08 | A kind of laterally interconnection air suspension imitative ceiling interconnection state control system and control method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107813672A (en) * | 2017-10-30 | 2018-03-20 | 江苏大学 | Distributed laterally interconnection air suspension control system and method |
| CN107985004A (en) * | 2017-11-02 | 2018-05-04 | 江苏大学 | A kind of laterally interconnection air suspension resistance of shock absorber game-theoretic control system |
| CN108839532A (en) * | 2018-06-25 | 2018-11-20 | 江苏大学 | A kind of interconnection condition control method of quadrangle interconnection air suspension |
| CN112918500A (en) * | 2019-12-05 | 2021-06-08 | 中车唐山机车车辆有限公司 | Support mode control system and control method, rail vehicle and terminal |
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| CN104238538A (en) * | 2013-06-14 | 2014-12-24 | 北汽福田汽车股份有限公司 | Function test device for electronically controlled air suspension system |
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| CN108839532B (en) * | 2018-06-25 | 2021-02-12 | 江苏大学 | Interconnection state control method for four-corner interconnection air suspension |
| CN112918500A (en) * | 2019-12-05 | 2021-06-08 | 中车唐山机车车辆有限公司 | Support mode control system and control method, rail vehicle and terminal |
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