CN108973576A - A kind of anti-rollover regulation method of road vehicle high-performance electronic control air suspension - Google Patents
A kind of anti-rollover regulation method of road vehicle high-performance electronic control air suspension Download PDFInfo
- Publication number
- CN108973576A CN108973576A CN201810914444.4A CN201810914444A CN108973576A CN 108973576 A CN108973576 A CN 108973576A CN 201810914444 A CN201810914444 A CN 201810914444A CN 108973576 A CN108973576 A CN 108973576A
- Authority
- CN
- China
- Prior art keywords
- signal
- suspension
- pavement behavior
- rollover
- pavement
- 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.)
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Classifications
-
- 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
- B60G17/016—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 their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input
- B60G17/0165—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 their responsiveness, when the vehicle is travelling, to specific motion, a specific condition, or driver input to an external condition, e.g. rough road surface, side wind
-
- 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
- B60G17/015—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
- B60G17/0195—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 regulation being combined with other vehicle control systems
-
- 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
- B60G17/056—Regulating distributors or valves for hydropneumatic systems
- B60G17/0565—Height adjusting valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2400/00—Indexing codes relating to detected, measured or calculated conditions or factors
- B60G2400/25—Stroke; Height; Displacement
-
- 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
- B60G2800/912—Attitude Control; levelling control
- B60G2800/9124—Roll-over protection systems, e.g. for warning or control
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automation & Control Theory (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The invention discloses a kind of anti-rollovers of road vehicle high-performance electronic control air suspension to regulate and control method, it include: that stroke signal is moved based on suspension of the electronic control air suspension chassis-height sensor acquisition from preceding bridge height sensor, stroke signal is moved to the suspension of acquisition and carries out real-time low-pass filtering, equilbrium position signal below is filtered out, the average value that positive suspension moves stroke signal is acquired；It is inputted using the average value of the dynamic stroke signal of positive suspension and speed per hour signal as neural network, nonlinear prediction pavement behavior；It detects whether the pavement behavior reaches danger threshold, after reaching the danger threshold, generates anti-rollover information and carry out anti-rollover control；Height control solenoid valve and brakeage are controlled according to anti-rollover information, guarantees the driving safety of car.Cooperation induction in real time and detection are carried out to practical road surface using detection sensing unit, hold mode is then adjusted in time if any error if correct.
Description
Technical field
The present invention relates to based on electronic control air suspension anti-rollover technology more particularly to a kind of road vehicle high-performance electric
The anti-rollover for controlling air suspension regulates and controls method.
Background technique
Electronic control air suspension can significantly improve vehicle suspension comprehensive performance, it has also become the application heat of field of automobile suspension
Point realizes that the active of multiple characteristics such as suspension rate, damping is adjusted by using electron controls technology.System passes through to air
Spring carries out inflation/deflation, can not only improve vehicle grounding performance by reducing bodywork height when the vehicle is driving at high speed, reduce
Windage and oil consumption, while can also be general by promoting bodywork height reduction suspension shock limit when being run at a low speed on crankcase ventilaton
Rate improves vehicle driving passability.Pavement behavior is one of the principal element for causing to overturn, and existing electronic control air is outstanding
Unwheeling does not all have the ability of initiative recognition pavement behavior, does not more prevent the technology overturned according to pavement behavior.Therefore, it needs
There is provided a kind of combining road situation prevents the technology overturned.
Summary of the invention
In view of this, the main purpose of the present invention is to provide a kind of the anti-of road vehicle high-performance electronic control air suspension
Rollover regulation method and apparatus.
In order to achieve the above objectives, the technical scheme of the present invention is realized as follows:
A kind of anti-rollover regulation method of road vehicle high-performance electronic control air suspension is provided in the embodiment of the present invention, it is described
Method includes:
Stroke signal is moved based on suspension of the electronic control air suspension chassis-height sensor acquisition from preceding bridge height sensor, to adopting
The suspension of collection moves stroke signal and carries out real-time low-pass filtering, filters out equilbrium position signal below, acquires positive suspension and moves stroke
The average value of signal；The average value and speed per hour signal for moving stroke signal using positive suspension are non-linear pre- as neural network input
Survey pavement behavior；
It detects whether the pavement behavior reaches danger threshold, after reaching the danger threshold, generates anti-rollover information and prevented
Rollover control；Height control solenoid valve and brakeage are controlled according to anti-rollover information, guarantees the driving safety of car；
Practical road surface is carried out using detection sensing unit to cooperate induction and detection in real time, the hold mode if correct, if any
Error is then adjusted in time.
Further, the method also includes:
Detect whether the pavement behavior reaches danger threshold, after reaching the danger threshold, determine pavement behavior there are problem,
Prediction is easily caused danger, and generates reminder message to prompt user to pay attention to pavement state and running speed.
Further, the method also includes:
Corresponding control signal is exported according to different pavement behavior and speed reminds letter.
It is further, described that corresponding control signal and speed alerting signal are exported according to different pavement behavior, comprising:
The pavement behavior is inquired according to the pavement behavior of prediction and controls the corresponding relationship of signal, determines the pavement behavior of prediction
Corresponding control signal is realized to directly control the on off operating mode for adjusting related solenoid valve with overall height and enters or flow out
Gas mass flow control in air spring；
And the corresponding relationship of the pavement grade and speed alerting signal is inquired according to the pavement behavior of prediction, determine prediction
The corresponding speed alerting signal of pavement behavior, to remind user's current road state and provide suggestion speed.
Detection sensing unit includes inductor, infrared radiation device, order transmitter, and the inductor, infrared ray shine
Emitter and the order transmitter are electrical connection.
The anti-rollover of the high-performance electronic control air suspension of road vehicle provided by the embodiment of the present invention regulates and controls method, packet
It includes: stroke signal being moved based on suspension of the electronic control air suspension chassis-height sensor acquisition from preceding bridge height sensor, to adopting
The suspension of collection moves stroke signal and carries out real-time low-pass filtering, filters out equilbrium position signal below, acquires positive suspension and moves stroke
The average value of signal；The average value and speed per hour signal for moving stroke signal using positive suspension are non-linear pre- as neural network input
Survey pavement behavior；It detects whether the pavement behavior reaches danger threshold, after reaching the danger threshold, generates anti-rollover information
Carry out anti-rollover control；Height control solenoid valve and brakeage are controlled according to anti-rollover information, guarantees the traveling of car
Safety；Practical road surface is carried out using detection sensing unit to cooperate induction and detection in real time, the hold mode if correct, such as
There is error, is then adjusted in time.The embodiment of the present invention predicts condition of road surface, predicts whether to turn over further according to condition of road surface
Vehicle provides prompting, to prevent from overturning, guarantees safety.
Detailed description of the invention
Fig. 1 is that a kind of anti-rollover of road vehicle high-performance electronic control air suspension provided by the invention regulates and controls the stream of method
Journey schematic diagram.
Specific embodiment
Below with reference to embodiment, the present invention is further described in more detail.
Fig. 1 is that a kind of anti-rollover of road vehicle high-performance electronic control air suspension provided by the invention regulates and controls the stream of method
Journey schematic diagram；As shown in Figure 1, which comprises
Step 1 moves stroke letter based on suspension of the electronic control air suspension chassis-height sensor acquisition from preceding bridge height sensor
Number, stroke signal is moved to the suspension of acquisition and carries out real-time low-pass filtering, equilbrium position signal below is filtered out, acquires positive suspension
The average value of dynamic stroke signal；The average value and speed per hour signal for moving stroke signal using positive suspension are non-as neural network input
Linear prediction pavement behavior；
Whether step 2, the detection pavement behavior reach danger threshold, after reaching the danger threshold, generate anti-rollover information
Carry out anti-rollover control；Height control solenoid valve and brakeage are controlled according to anti-rollover information, guarantees the traveling of car
Safety；
Step 3, detection sensing unit include inductor, infrared radiation device, order transmitter, the inductor, infrared ray
Illuminator and the order transmitter are electrical connection.
Specifically, detection sensing unit includes inductor, infrared radiation device, order transmitter, the inductor, red
Outside line illuminator and the order transmitter are electrical connection.
Specifically, positive suspension moves in the calculating of the average value of stroke signal, intercepts the positive suspension of appropriate time length
Dynamic stroke signal.
Here, it is exported by neural network target of road roughness root-mean-square value RMS.
All weight and threshold value is determined by the study to emulation data, completes neural network from being input to the non-of output
Linear approximation is shone upon, to realize specific pavement grade deterministic process.
The neural network pavement grade judgment models input be it is two-dimensional, first layer has 5 neurons, transmission function
It is tansig；The second layer is single neuron, and transmission function is linear, training function selection trainlm.
Specifically, the electronic automobile suspension includes electronic control unit ECU, levelling valve, height sensor, alarm
Module and operation module etc.；Electronic control unit ECU is separately connected height sensor, levelling valve, baroceptor, report
Alert module, remote controler and operation module, the baroceptor are connect with air-spring bellows；During the levelling valve includes
Centre valve, it is right before air bag solenoid valve, right rear gasbag solenoid valve, left front air bag solenoid valve, left back air bag solenoid valve, side kneel control valve and
Pontoon bridge control valve, various valve bodies constitute multiple combinations valve, and different system configuration modes realizes it by different combination valves
Corresponding holding function, the central valve, it is right before air bag solenoid valve, right rear gasbag solenoid valve, left front air bag solenoid valve, left back air bag
Solenoid valve, side kneel control valve and pontoon bridge control valve is connect with electrical pin respectively；The height sensor is mounted on vehicle chassis
On, it is connect by movable swing rod with vehicle bridge, measures the height change between vehicle chassis and vehicle bridge, pass through electrical pin and electronics
At least three height sensors are installed in control unit ECU connection；The remote controler and Operation switch belong to manual operation module,
It is loaded on together with alarm module in driver's cabin and is connect by electrical pin with electronic control unit ECU.
Specifically, it detects whether the pavement behavior reaches danger threshold, after reaching the danger threshold, determines road surface shape
There are problem, predictions easily to cause danger for condition, generates reminder message to prompt user to pay attention to pavement state and running speed.
Specifically, the method also includes: corresponding control signal and speed prompting are exported according to different pavement behavior
Signal.
Specifically, the electronic control air suspension may include: the corresponding relationship of pavement behavior and control signal；And road
The corresponding relationship of planar condition and speed alerting signal.
It is described that corresponding control signal and speed alerting signal are exported according to different pavement behavior, comprising:
The pavement behavior is inquired according to the pavement behavior of prediction and controls the corresponding relationship of signal, determines the pavement behavior of prediction
Corresponding control signal is realized to directly control the on off operating mode for adjusting related solenoid valve with overall height and enters or flow out
Gas mass flow control in air spring；
And the corresponding relationship of the pavement grade and speed alerting signal is inquired according to the pavement behavior of prediction, determine prediction
The corresponding speed alerting signal of pavement behavior, to remind user's current road state and provide suggestion speed.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the scope of the present invention, it is all
Made any modifications, equivalent replacements, and improvements etc. within the spirit and principles in the present invention, should be included in protection of the invention
Within the scope of.
Claims (5)
1. a kind of anti-rollover of road vehicle high-performance electronic control air suspension regulates and controls method, which is characterized in that the method packet
It includes:
Stroke signal is moved based on suspension of the electronic control air suspension chassis-height sensor acquisition from preceding bridge height sensor, to adopting
The suspension of collection moves stroke signal and carries out real-time low-pass filtering, filters out equilbrium position signal below, acquires positive suspension and moves stroke
The average value of signal；The average value and speed per hour signal for moving stroke signal using positive suspension are non-linear pre- as neural network input
Survey pavement behavior；
It detects whether the pavement behavior reaches danger threshold, after reaching the danger threshold, generates anti-rollover information and prevented
Rollover control；Height control solenoid valve and brakeage are controlled according to anti-rollover information, guarantees the driving safety of car；
Practical road surface is carried out using detection sensing unit to cooperate induction and detection in real time, the hold mode if correct, if any
Error is then adjusted in time.
2. the method according to claim 1, wherein the method also includes:
Detect whether the pavement behavior reaches danger threshold, after reaching the danger threshold, determine pavement behavior there are problem,
Prediction is easily caused danger, and generates reminder message to prompt user to pay attention to pavement state and running speed.
3. the method according to claim 1, wherein the method also includes:
Corresponding control signal and speed alerting signal are exported according to different pavement behavior.
4. the method according to claim 1, wherein described export corresponding control according to different pavement behavior
Signal and speed alerting signal, comprising:
The pavement behavior is inquired according to the pavement behavior of prediction and controls the corresponding relationship of signal, determines the pavement behavior of prediction
Corresponding control signal is realized to directly control the on off operating mode for adjusting related solenoid valve with overall height and enters or flow out
Gas mass flow control in air spring；
And the corresponding relationship of the pavement grade and speed alerting signal is inquired according to the pavement behavior of prediction, determine prediction
The corresponding speed alerting signal of pavement behavior, to remind user's current road state and provide suggestion speed.
5. the method according to claim 1, wherein the detection sensing unit includes inductor, infrared ray
Illuminator, order transmitter, the inductor, infrared radiation device and the order transmitter are electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810914444.4A CN108973576A (en) | 2018-08-12 | 2018-08-12 | A kind of anti-rollover regulation method of road vehicle high-performance electronic control air suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810914444.4A CN108973576A (en) | 2018-08-12 | 2018-08-12 | A kind of anti-rollover regulation method of road vehicle high-performance electronic control air suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108973576A true CN108973576A (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810914444.4A Withdrawn CN108973576A (en) | 2018-08-12 | 2018-08-12 | A kind of anti-rollover regulation method of road vehicle high-performance electronic control air suspension |
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| Country | Link |
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| CN (1) | CN108973576A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116373522A (en) * | 2023-05-10 | 2023-07-04 | 广州市华劲机械制造有限公司 | Lightweight air suspension structure and production process thereof |
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| CN116373522B (en) * | 2023-05-10 | 2023-08-29 | 广州市华劲机械制造有限公司 | Lightweight air suspension structure and production process thereof |
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Application publication date: 20181211 |