CN116215643B - Steering column collapse force adjusting method, vehicle, equipment and medium - Google Patents
Steering column collapse force adjusting method, vehicle, equipment and medium Download PDFInfo
- Publication number
- CN116215643B CN116215643B CN202310296559.2A CN202310296559A CN116215643B CN 116215643 B CN116215643 B CN 116215643B CN 202310296559 A CN202310296559 A CN 202310296559A CN 116215643 B CN116215643 B CN 116215643B
- Authority
- CN
- China
- Prior art keywords
- steering column
- vehicle
- information
- control unit
- electronic control
- 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
- 238000000034 method Methods 0.000 title claims abstract description 50
- 238000004590 computer program Methods 0.000 claims description 15
- 230000004584 weight gain Effects 0.000 claims description 12
- 235000019786 weight gain Nutrition 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000007246 mechanism Effects 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D1/00—Steering controls, i.e. means for initiating a change of direction of the vehicle
- B62D1/02—Steering controls, i.e. means for initiating a change of direction of the vehicle vehicle-mounted
- B62D1/16—Steering columns
- B62D1/18—Steering columns yieldable or adjustable, e.g. tiltable
- B62D1/19—Steering columns yieldable or adjustable, e.g. tiltable incorporating energy-absorbing arrangements, e.g. by being yieldable or collapsible
- B62D1/192—Yieldable or collapsible columns
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R21/00—Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
- B60R21/01—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Steering Control In Accordance With Driving Conditions (AREA)
Abstract
The embodiment of the invention provides a method for adjusting the collapse force of a steering column, a vehicle, equipment and a medium, wherein the method is applied to the vehicle, the vehicle includes a steering column electronic control unit and a steering column, the steering column electronic control unit being connected to the steering column, the method comprising: the steering column electronic control unit acquires driver information and vehicle information, determines a target collapse force value according to the driver information and the vehicle information when the vehicle collides, and controls the steering column to collapse according to the target collapse force value. According to the invention, the driver information and the vehicle information are acquired through the steering column unit, when the vehicle collides, the corresponding target collapse force value is determined according to the driver information and the vehicle information, and then the steering column is controlled to collapse according to the target collapse force.
Description
Technical Field
The present invention relates to the field of automotive technologies, and in particular, to a method for adjusting a collapse force of a steering column, a vehicle, an electronic device, and a computer readable storage medium.
Background
The existing tubular column collapsing mechanism converts human kinetic energy through friction, material deformation and the like, so that the effect of protecting drivers and passengers is achieved; when the steering wheel of the vehicle is subjected to inertial impact of a driver, the crumple mechanisms are adjusted through fixed crumple force or whether the driver is fastened with a safety belt, the fixed crumple force is calculated according to the weight and the height of the driver, and various factors of the vehicle cannot be comprehensively considered, so that the adjusting performance of the crumple mechanisms is not high.
Disclosure of Invention
In view of the above, embodiments of the present invention have been made to provide a steering column collapse force adjustment method, a vehicle, an electronic device, and a computer-readable storage medium that overcome or at least partially solve the above problems.
In order to solve the above problems, an embodiment of the present invention discloses a method for adjusting a collapse force of a steering column, the method being applied to a vehicle including a steering column electronic control unit and a steering column, the steering column electronic control unit being connected to the steering column, the method comprising:
The steering column electronic control unit acquires driver information and vehicle information, wherein the driver information comprises the weight of a driver, and the vehicle information comprises deviation information of a seat and a steering wheel, vehicle posture information and vehicle speed;
When the vehicle collides, the steering column electronic control unit determines a target collapse force value according to the driver information and the vehicle information, and controls the steering column to collapse according to the target collapse force value.
Optionally, the steering column electronic control unit determines a target crush force value according to the information of the driver and the information of the vehicle, including:
the steering column electronic control unit acquires a preset collapse force value;
The steering column electronic control unit inquires corresponding gain coefficients according to the driver information and the vehicle information;
and the steering column electronic control unit calculates the target collapsing force value based on the preset collapsing force and the gain coefficient.
Optionally, the steering column electronic control unit queries the corresponding gain coefficient according to the driver information, including:
The steering column electronic control unit acquires a preset table; the preset table comprises a first corresponding relation between the weight of the driver and the weight gain coefficient of the driver;
and inquiring a weight gain coefficient of the driver corresponding to the weight of the driver from the first corresponding relation.
Optionally, the steering column electronic control unit queries a corresponding gain coefficient according to vehicle information, including:
the steering column electronic control unit acquires a preset table; the preset table comprises a second corresponding relation between deviation information of the seat and the steering wheel and a gain coefficient of the deviation information of the seat and the steering wheel, a third corresponding relation between vehicle posture information and a posture gain coefficient and a fourth corresponding relation between vehicle speed and a vehicle speed gain coefficient;
the steering column electronic control unit inquires a seat and steering wheel deviation information gain coefficient corresponding to the seat and steering wheel deviation information from the second relation, inquires a posture gain coefficient corresponding to the vehicle posture information from the third relation, and inquires a vehicle speed gain coefficient corresponding to the vehicle speed from the fourth relation.
Optionally, the steering column electronic control unit is also connected with a seat sensor and a steering wheel sensor; the seat sensor is used for collecting seat coordinate values of the position of a driver seat relative to a preset origin, and the steering wheel sensor is used for collecting steering wheel coordinate values of the position of a steering wheel relative to the preset origin; the steering column electronic control unit acquires vehicle information:
The steering column electronic control unit acquires the seat coordinate value and the steering wheel coordinate value, and determines a difference between the steering wheel coordinate value and the seat coordinate value as deviation information of the seat and the steering wheel.
Optionally, the steering column electronic control unit is connected with the steering column through a power supply, and the controlling the steering column collapses according to the target collapse force value, including:
Generating a corresponding current value from the target collapse force value;
and controlling the steering column to collapse according to the target collapse force value by the power supply through the current value.
Optionally, the steering column electronic control unit is further connected with a seat sensor, an inertia measurement unit and a vehicle speed sensor, wherein the seat sensor is used for collecting the weight of the driver, the inertia measurement unit is used for collecting the vehicle posture information, and the vehicle speed sensor is used for collecting the vehicle speed.
The invention also discloses a vehicle, which comprises a steering column electronic control unit and a steering column, wherein the steering column electronic control unit is connected with the steering column;
The steering column electronic control unit is used for acquiring driver information and vehicle information, wherein the driver information comprises the weight of a driver, and the vehicle information comprises deviation information of a seat and a steering wheel, vehicle posture information and vehicle speed; and when the vehicle collides, determining a target collapse force value according to the driver information and the vehicle information, and controlling the steering column to collapse according to the target collapse force value.
The invention also discloses an electronic device, comprising: a processor, a memory and a computer program stored on the memory and capable of running on the processor, which when executed by the processor, performs the steps of the steering column collapse force adjustment method as described above.
The invention also discloses a computer readable storage medium, which is characterized in that the computer readable storage medium stores a computer program which realizes the steps of the method for adjusting the collapse force of the steering column when being executed by a processor
The embodiment of the invention has the following advantages:
According to the invention, the driver information and the vehicle information are acquired through the steering column unit, when the vehicle collides, the corresponding target collapse force value is determined according to the driver information and the vehicle information, and then the steering column is controlled to collapse according to the target collapse force.
Drawings
FIG. 1 is a flow chart of steps of a method for adjusting a collapse force of a steering column according to an embodiment of the present invention;
FIG. 2 is a flow chart illustrating steps of another method for adjusting a collapse force of a steering column according to an embodiment of the present invention;
FIG. 3 is a block diagram of a steering column electronic control unit provided in an embodiment of the present invention;
FIG. 4 is a block diagram of another steering column electronic control unit provided in accordance with an embodiment of the present invention;
Fig. 5 is a block diagram of a vehicle according to an embodiment of the present invention.
Detailed Description
In order that the above-recited objects, features and advantages of the present invention will become more readily apparent, a more particular description of the invention will be rendered by reference to the appended drawings and appended detailed description.
In the prior art, when the steering wheel of the vehicle is subjected to inertial impact of a driver, the existing crumple mechanisms output fixed crumple force or realize two-stage adjustment according to whether to tie up the safety belt, and the fixed crumple force is designed according to the weight height of a standard human body; the intelligent adjustment of the crumple force cannot be realized according to the height and weight of different drivers and the running speed of the vehicle during collision, and the better effect of protecting the drivers cannot be achieved.
One of the core concepts of the embodiment of the invention is that the driver information and the vehicle information are acquired through the steering column unit, when the vehicle collides, the corresponding target crumple force value is determined according to the driver information and the vehicle information, and then the steering column is controlled to crumple according to the target crumple force.
Referring to fig. 1, a step flowchart of a method for adjusting a collapse force of a steering column according to an embodiment of the present invention is shown, where the method is applied to a vehicle, and the vehicle includes a steering column electronic control unit and a steering column, and the steering column electronic control unit is connected to the steering column, and the method may specifically include the steps of:
Step 101, a steering column electronic control unit acquires driver information and vehicle information, wherein the driver information comprises the weight of a driver, and the vehicle information comprises deviation information of a seat and a steering wheel, vehicle posture information and vehicle speed.
In the embodiment of the invention, the weight of the driver refers to the weight of the driver, and the weight can be acquired according to the weight sensor arranged in the seat; the deviation information of the seat and the steering wheel refers to the relative position information of the seat of the vehicle relative to the steering wheel, and the posture information of the vehicle refers to the pitch angle, the course angle and the roll angle of the vehicle; the vehicle speed refers to a speed in the running process of the vehicle, the wheel speed of the vehicle can be obtained through a wheel speed sensor, then the vehicle speed can be calculated according to the wheel speed, and the vehicle speed can be measured according to a vehicle speed sensor, which is not limited herein.
And 102, when the vehicle collides, the steering column electronic control unit determines a target collapse force value according to the driver information and the vehicle information and controls the steering column to collapse according to the target collapse force value.
In the embodiment of the invention, when a vehicle collides, the steering column electronic control unit can receive a collision signal, then a target collapse force value is determined according to the acquired driver information and vehicle information, and after the target collapse force value is determined, the steering column electronic control unit can control the steering column to collapse according to the target collapse force value, so that a driver is better protected, and the driver is prevented from being injured; according to the invention, different driver information, such as different weight of different drivers, vehicle speed under different working conditions, distance between the driving steering wheel of different vehicles and the seat and posture information of the vehicles, are comprehensively considered, so that the universality of the steering column is realized, and the development cost is reduced.
According to the invention, the driver information and the vehicle information are acquired through the steering column unit, when the vehicle collides, the corresponding target collapsing force value is determined according to the driver information and the vehicle information, and then the steering column is controlled to collapse according to the target collapsing force.
Referring to fig. 2, there is shown a flowchart of steps of another method for adjusting a collapse force of a steering column according to an embodiment of the present invention, where the method is applied to a vehicle, and the vehicle includes a steering column electronic control unit and a steering column, and the steering column electronic control unit is connected to the steering column, and the method may specifically include the steps of:
In step 201, the steering column electronic control unit acquires driver information including a weight of a driver and vehicle information including deviation information of a seat from a steering wheel, vehicle posture information, and a vehicle speed.
In one embodiment of the present invention, the steering column electronic control unit is further connected to a seat sensor for acquiring a weight of a driver, an inertia measurement unit for acquiring the vehicle posture information, and a vehicle speed sensor for acquiring the vehicle speed.
In the embodiment of the invention, as shown in fig. 3, a structural block diagram of a steering column electronic control unit provided by the embodiment of the invention is shown, the steering column electronic control unit is respectively connected with a seat sensor, an inertia measurement unit and a vehicle speed sensor, and the seat sensor can collect the weight of a driver and then send the weight to the steering column electronic control unit; the inertia measurement unit can acquire the attitude information of the vehicle and then send the attitude information of the vehicle to the steering column electronic control unit; the vehicle speed sensor can collect the running speed of the vehicle and then send the vehicle speed to the steering column electronic control unit; so that the steering column electronic control unit can acquire driver information and vehicle information.
In one embodiment of the invention, the steering column electronic control unit is also connected with the seat sensor and the steering wheel sensor; the seat sensor is used for acquiring seat coordinate values of the position of a driver seat relative to a preset origin, and the steering wheel sensor is used for acquiring steering wheel coordinate values of the position of a steering wheel relative to the preset origin; the steering column electronic control unit acquires vehicle information:
The steering column electronic control unit acquires a seat coordinate value and a steering wheel coordinate value, and determines a difference between the steering wheel coordinate value and the seat coordinate value as deviation information of the seat and the steering wheel.
In the embodiment of the invention, the preset origin is preset origin coordinates, which can be set according to requirements, and are not limited herein; as shown in fig. 3, the steering column electronic control unit is also connected with a steering wheel sensor; the seat sensor may acquire a seat coordinate value of the driver seat position with respect to a preset origin, and then transmit the seat coordinate value to the steering column electronic control unit; the steering wheel sensor can acquire a steering wheel coordinate value of the steering wheel position relative to a preset origin, and then sends the steering wheel coordinate value to the steering column electronic control unit; therefore, the steering column electronic control unit can acquire the seat coordinate value and the steering wheel coordinate value, and then calculate deviation information of the seat and the steering wheel according to the seat coordinate value and the steering wheel coordinate value.
In one example, the seat coordinate value acquired by the seat sensor is A1 (x 1, y 1), the steering wheel coordinate value acquired by the steering wheel sensor is A2 (x 2, y 2), and after the steering column electronic control unit acquires A1 and A2, A2-a1=h= (x 2-x1, y2-y 1) is calculated to obtain the deviation information of the seat and the steering wheel.
Step 202, when the vehicle collides, the steering column electronic control unit acquires a preset collapse force value.
In the embodiment of the invention, the preset crumple force value refers to a fixed crumple force set before the vehicle leaves the factory, and the fixed crumple force can be set according to different vehicle types, and is not limited herein.
In step 203, the steering column electronic control unit queries the corresponding gain coefficient according to the driver information and the vehicle information.
In one embodiment of the present invention, the steering column electronic control unit queries a corresponding gain factor according to driver information, including:
The steering column electronic control unit acquires a preset table; the preset table comprises a first corresponding relation between the weight of the driver and the weight gain coefficient of the driver; and inquiring a weight gain coefficient of the driver corresponding to the weight of the driver from the first corresponding relation.
In the embodiment of the present invention, the preset table is a table for storing a first correspondence between a weight of a driver and a gain factor of the weight of the driver, and the gain factor of the weight of the driver corresponding to the weight of the driver may be queried from the first correspondence according to the obtained weight of the driver, in an example, the weight of the driver is m1, and the gain factor of the weight of the driver corresponding to m1 in the first correspondence is K m1, so that the corresponding gain factor is K m1.
In one embodiment of the present invention, the steering column electronic control unit queries a corresponding gain factor according to vehicle information, including:
The steering column electronic control unit acquires a preset table; the preset table comprises a second corresponding relation between the deviation information of the seat and the steering wheel and the gain coefficient of the deviation information of the seat and the steering wheel, a third corresponding relation between the vehicle posture information and the posture gain coefficient and a fourth corresponding relation between the vehicle speed and the vehicle speed gain coefficient; the steering column electronic control unit inquires a seat and steering wheel deviation information gain coefficient corresponding to the seat and steering wheel deviation information from a second relation, inquires a posture gain coefficient corresponding to the vehicle posture information from a third relation, and inquires a vehicle speed gain coefficient corresponding to the vehicle speed from a fourth relation.
In the embodiment of the invention, the preset table can further comprise a second corresponding relation between the deviation information of the seat and the steering wheel and the deviation information gain coefficient of the seat and the steering wheel, a third corresponding relation between the vehicle posture information and the posture gain coefficient and a fourth corresponding relation between the vehicle speed and the vehicle speed gain coefficient; therefore, the corresponding seat and steering wheel deviation information gain coefficient can be queried according to the acquired seat and steering wheel deviation information, the attitude gain coefficient corresponding to the vehicle attitude information is queried, and the vehicle speed gain coefficient corresponding to the vehicle speed is queried.
In one example, the deviation information of the seat and the steering wheel is h1, the corresponding gain coefficient K h1 of the deviation information of the seat and the steering wheel can be queried from the second corresponding relation, the vehicle posture information is imu (Pitch, roll, yaw), the corresponding posture gain coefficient K imu(Pitch、Roll、Yaw) can be queried from the third corresponding relation, the vehicle speed is V1, and the vehicle speed gain coefficient K v1 corresponding to V1 can be queried from the fourth corresponding relation.
And 204, calculating a target collapse force value by the steering column electronic control unit based on the preset collapse force and the gain coefficient, and controlling the steering column to collapse according to the target collapse force value.
In the embodiment of the invention, a calculation formula of the target collapse force is shown as a formula (1):
F=f b*Kh*Kw*Kv*Kimu formula (1)
Wherein, F is the target collapsing force, F b is the preset collapsing force, K h is the seat and steering wheel position information gain coefficient, K w is the driver weight gain coefficient, K v is the vehicle speed gain coefficient, and K imu is the vehicle attitude gain coefficient.
In one example, F b is a preset crush force, the obtained weight gain coefficient of the driver is K m1, the steering wheel deviation information gain coefficient K h1, the attitude gain coefficient K imu(Pitch、Roll、Yaw), the vehicle speed gain coefficient K v1, and the calculated target crush force f=f b*Km1*Kh1*Kimu(Pitch、Roll、Yaw)*Kv1.
In one embodiment of the present invention, a steering column electronic control unit is connected to a steering column by a power supply, and controls the steering column to collapse according to a target collapse force value, including:
generating a corresponding current value from the target collapse force value; and controlling the steering column to collapse according to the target collapse force value through the power supply by using the current value.
In the embodiment of the invention, as shown in fig. 4, the architecture block diagram of another steering column electronic control unit provided by the invention is shown, the steering column electronic control unit is connected with the steering column through a power supply, the steering column electronic control unit can generate a corresponding current value according to the calculated target collapsing force value and then transmit the current value to the power supply, and the power supply can control the steering column to output different target collapsing forces according to different current values to collapse, so that the power supply can control the steering column to collapse according to the target collapsing force value according to the current value corresponding to the target collapsing force value.
According to the invention, the driver information and the vehicle information are acquired through the steering column unit, when the vehicle collides, the corresponding target collapsing force value is determined according to the driver information and the vehicle information, and then the steering column is controlled to collapse according to the target collapsing force.
It should be noted that, for simplicity of description, the method embodiments are shown as a series of acts, but it should be understood by those skilled in the art that the embodiments are not limited by the order of acts, as some steps may occur in other orders or concurrently in accordance with the embodiments. Further, those skilled in the art will appreciate that the embodiments described in the specification are presently preferred embodiments, and that the acts are not necessarily required by the embodiments of the invention.
Referring to fig. 5, there is shown a block diagram of a vehicle 30 provided in an embodiment of the present invention, the vehicle including a steering column electronic control unit 301 and a steering column 302, the steering column electronic control unit 301 being connected to the steering column 302;
The steering column electronic control unit 301 is configured to acquire driver information and vehicle information, the driver information including a weight of a driver, the vehicle information including deviation information of a seat from a steering wheel, vehicle posture information, and a vehicle speed; when a vehicle collides, a target collapse force value is determined based on the driver information and the vehicle information, and the steering column 302 is controlled to collapse in accordance with the target collapse force value.
In one embodiment of the present invention, the steering column electronic control unit is configured to obtain a preset collapse force value; inquiring a corresponding gain coefficient according to the driver information and the vehicle information; and calculating to obtain a target crumple force value based on the preset crumple force and the gain coefficient.
In one embodiment of the present invention, the steering column electronic control unit is configured to obtain a preset table; the preset table comprises a first corresponding relation between the weight of the driver and the weight gain coefficient of the driver; and inquiring a weight gain coefficient of the driver corresponding to the weight of the driver from the first corresponding relation.
In one embodiment of the present invention, the steering column electronic control unit is configured to obtain a preset table; the preset table comprises a second corresponding relation between the deviation information of the seat and the steering wheel and the gain coefficient of the deviation information of the seat and the steering wheel, a third corresponding relation between the vehicle posture information and the posture gain coefficient and a fourth corresponding relation between the vehicle speed and the vehicle speed gain coefficient; inquiring a seat and steering wheel deviation information gain coefficient corresponding to the seat and steering wheel deviation information from a second relation, inquiring a posture gain coefficient corresponding to the vehicle posture information from a third relation, and inquiring a vehicle speed gain coefficient corresponding to the vehicle speed from a fourth relation.
In one embodiment of the invention, the steering column electronic control unit is also connected with the seat sensor and the steering wheel sensor; the seat sensor is used for acquiring seat coordinate values of the position of a driver seat relative to a preset origin, and the steering wheel sensor is used for acquiring steering wheel coordinate values of the position of a steering wheel relative to the preset origin; the steering column electronic control unit is used for acquiring a seat coordinate value and a steering wheel coordinate value, and determining the difference between the steering wheel coordinate value and the seat coordinate value as deviation information of the seat and the steering wheel.
In one embodiment of the present invention, a steering column electronic control unit is connected to the steering column through a power supply, the steering column electronic control unit being configured to generate a corresponding current value for a target crush force value; and controlling the steering column to collapse according to the target collapse force value through the power supply by using the current value.
In one embodiment of the present invention, the steering column electronic control unit is further connected to a seat sensor for acquiring a weight of a driver, an inertia measurement unit for acquiring the vehicle posture information, and a vehicle speed sensor for acquiring the vehicle speed.
The invention discloses a vehicle, which is characterized in that driver information and vehicle information are acquired through a steering column unit, when the vehicle collides, corresponding target crumple force values are determined according to the driver information and the vehicle information, and then the steering column is controlled to crumple according to the target crumple force.
For the device embodiments, since they are substantially similar to the method embodiments, the description is relatively simple, and reference is made to the description of the method embodiments for relevant points.
The embodiment of the invention also provides electronic equipment, which comprises:
the method comprises a processor, a memory and a computer program which is stored in the memory and can run on the processor, wherein the computer program realizes all the processes of the steering column collapse force adjusting method embodiment when being executed by the processor, can achieve the same technical effects, and is not repeated here.
The embodiment of the invention also provides a computer readable storage medium, on which a computer program is stored, which when executed by a processor, realizes the processes of the above-mentioned steering column collapse force adjusting method embodiment, and can achieve the same technical effects, and in order to avoid repetition, the description is omitted here.
In this specification, each embodiment is described in a progressive manner, and each embodiment is mainly described by differences from other embodiments, and identical and similar parts between the embodiments are all enough to be referred to each other.
It will be apparent to those skilled in the art that embodiments of the present invention may be provided as a method, apparatus, or computer program product. Accordingly, embodiments of the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment or an embodiment combining software and hardware aspects. Furthermore, embodiments of the invention may take the form of a computer program product on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, etc.) having computer-usable program code embodied therein.
Embodiments of the present invention are described with reference to flowchart illustrations and/or block diagrams of methods, terminal devices (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flowchart illustrations and/or block diagrams, and combinations of flows and/or blocks in the flowchart illustrations and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing terminal device to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing terminal device, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiment and all such alterations and modifications as fall within the scope of the embodiments of the invention.
Finally, it is further noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or terminal device that comprises the element.
The above detailed description of the method for adjusting the collapse force of the steering column, the vehicle, the electronic device and the computer readable storage medium provided by the invention applies specific examples to illustrate the principle and the implementation of the invention, and the above examples are only used for helping to understand the method and the core idea of the invention; meanwhile, as those skilled in the art will have variations in the specific embodiments and application scope in accordance with the ideas of the present invention, the present description should not be construed as limiting the present invention in view of the above.
Claims (9)
1. A method of adjusting a steering column collapse force, the method being applied to a vehicle including a steering column electronic control unit and a steering column, the steering column electronic control unit being connected to the steering column, the method comprising:
The steering column electronic control unit acquires driver information and vehicle information, wherein the driver information comprises the weight of a driver, and the vehicle information comprises deviation information of a seat and a steering wheel, vehicle posture information and vehicle speed;
When the vehicle collides, the steering column electronic control unit determines a target collapse force value according to the driver information and the vehicle information, and controls the steering column to collapse according to the target collapse force value; the steering column electronic control unit determines a target crush force value according to the driver information and the vehicle information, including:
the steering column electronic control unit acquires a preset collapse force value;
The steering column electronic control unit inquires corresponding gain coefficients according to the driver information and the vehicle information;
the steering column electronic control unit calculates the target collapsing force value based on the preset collapsing force and the gain coefficient;
the calculation formula of the target collapse force value is as follows: f=fb Kh Kw Kv Kimu, where F is a target crush force value, fb is a preset crush force value, kh is a seat and steering wheel position information gain coefficient, kw is a driver weight gain coefficient, kv is a vehicle speed gain coefficient, and Kimu is a vehicle attitude gain coefficient.
2. The method of claim 1, wherein the steering column electronic control unit queries for a corresponding gain factor based on driver information, comprising:
The steering column electronic control unit acquires a preset table; the preset table comprises a first corresponding relation between the weight of the driver and the weight gain coefficient of the driver;
and inquiring a weight gain coefficient of the driver corresponding to the weight of the driver from the first corresponding relation.
3. The method of claim 1, wherein the steering column electronic control unit querying the corresponding gain factor based on vehicle information, comprising:
the steering column electronic control unit acquires a preset table; the preset table comprises a second corresponding relation between deviation information of the seat and the steering wheel and a gain coefficient of the deviation information of the seat and the steering wheel, a third corresponding relation between vehicle posture information and a posture gain coefficient and a fourth corresponding relation between vehicle speed and a vehicle speed gain coefficient;
the steering column electronic control unit inquires a seat and steering wheel deviation information gain coefficient corresponding to the seat and steering wheel deviation information from the second corresponding relation, inquires a posture gain coefficient corresponding to the vehicle posture information from the third corresponding relation, and inquires a vehicle speed gain coefficient corresponding to the vehicle speed from the fourth corresponding relation.
4. The method of claim 1, wherein the steering column electronic control unit is further coupled to a seat sensor, a steering wheel sensor; the seat sensor is used for collecting seat coordinate values of the position of a driver seat relative to a preset origin, and the steering wheel sensor is used for collecting steering wheel coordinate values of the position of a steering wheel relative to the preset origin; the steering column electronic control unit acquires vehicle information:
The steering column electronic control unit acquires the seat coordinate value and the steering wheel coordinate value, and determines a difference between the steering wheel coordinate value and the seat coordinate value as deviation information of the seat and the steering wheel.
5. The method of claim 1, wherein the steering column electronic control unit is coupled to the steering column via a power supply, the controlling the steering column to collapse according to the target collapse force value comprising:
Generating a corresponding current value from the target collapse force value;
and controlling the steering column to collapse according to the target collapse force value by the power supply through the current value.
6. The method of claim 1, wherein the steering column electronic control unit is further coupled to a weight sensor for acquiring the driver weight, an inertial measurement unit for acquiring the vehicle attitude information, and a vehicle speed sensor for acquiring the vehicle speed.
7. A vehicle, characterized in that the vehicle comprises a steering column electronic control unit and a steering column, the steering column electronic control unit being connected with the steering column;
The steering column electronic control unit is used for acquiring driver information and vehicle information, wherein the driver information comprises the weight of a driver, and the vehicle information comprises deviation information of a seat and a steering wheel, vehicle posture information and vehicle speed; when the vehicle collides, determining a target collapse force value according to the driver information and the vehicle information, and controlling the steering column to collapse according to the target collapse force value; the steering column electronic control unit is used for acquiring a preset collapse force value; inquiring a corresponding gain coefficient according to the driver information and the vehicle information; calculating a target crumple force value based on a preset crumple force and a gain coefficient; the calculation formula of the target collapse force value is as follows: f=fb Kh Kw Kv Kimu, where F is a target crush force value, fb is a preset crush force value, kh is a seat and steering wheel position information gain coefficient, kw is a driver weight gain coefficient, kv is a vehicle speed gain coefficient, and Kimu is a vehicle attitude gain coefficient.
8. An electronic device, comprising: a processor, a memory and a computer program stored on the memory and capable of running on the processor, which when executed by the processor, performs the steps of the method of adjusting a steering column crush force as claimed in any one of claims 1 to 6.
9. A computer-readable storage medium, on which a computer program is stored, which computer program, when being executed by a processor, carries out the steps of the method for adjusting a steering column crush force according to any one of claims 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310296559.2A CN116215643B (en) | 2023-03-23 | 2023-03-23 | Steering column collapse force adjusting method, vehicle, equipment and medium |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310296559.2A CN116215643B (en) | 2023-03-23 | 2023-03-23 | Steering column collapse force adjusting method, vehicle, equipment and medium |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN116215643A CN116215643A (en) | 2023-06-06 |
| CN116215643B true CN116215643B (en) | 2024-08-16 |
Family
ID=86569536
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310296559.2A Active CN116215643B (en) | 2023-03-23 | 2023-03-23 | Steering column collapse force adjusting method, vehicle, equipment and medium |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116215643B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004189091A (en) * | 2002-12-11 | 2004-07-08 | Toyota Motor Corp | Vehicle occupant protection device |
| CN107323522A (en) * | 2017-07-06 | 2017-11-07 | 北京汽车股份有限公司 | Steering control system and method |
| CN114701562A (en) * | 2022-03-22 | 2022-07-05 | 东风柳州汽车有限公司 | Vehicle pipe column collapse control method, device, equipment and storage medium |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB9817536D0 (en) * | 1998-08-13 | 1998-10-07 | Rover Group | A motor vehicle |
| KR100412799B1 (en) * | 2000-12-14 | 2003-12-31 | 현대자동차주식회사 | A structure of collapsible steering column to use magnetic force |
| GB2404633B (en) * | 2003-08-06 | 2005-07-20 | Nsk Steering Sys Europ Ltd | Energy absorption device for vehicle steering column |
| DE102004010541B4 (en) * | 2004-03-04 | 2014-02-27 | Daimler Ag | Safety device for a motor vehicle |
| GB2435551B (en) * | 2006-02-22 | 2008-01-09 | Nsk Steering Sys Europ Ltd | Vehicle steering column energy absorbing device |
| KR101165103B1 (en) * | 2006-05-11 | 2012-07-12 | 주식회사 만도 | Driver Protection Apparatus by Using Adaptive Energy Absorbing Column and Dual Stage Airbag |
| CN110386184B (en) * | 2019-08-01 | 2024-10-01 | 北京海纳川汽车部件股份有限公司 | Steering column of vehicle and vehicle |
-
2023
- 2023-03-23 CN CN202310296559.2A patent/CN116215643B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004189091A (en) * | 2002-12-11 | 2004-07-08 | Toyota Motor Corp | Vehicle occupant protection device |
| CN107323522A (en) * | 2017-07-06 | 2017-11-07 | 北京汽车股份有限公司 | Steering control system and method |
| CN114701562A (en) * | 2022-03-22 | 2022-07-05 | 东风柳州汽车有限公司 | Vehicle pipe column collapse control method, device, equipment and storage medium |
Also Published As
| Publication number | Publication date |
|---|---|
| CN116215643A (en) | 2023-06-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101817329B (en) | Vehicle driving operation support apparatus/process and vehicle | |
| JP5700190B2 (en) | Suspension control device | |
| US9573623B2 (en) | Collision avoidance control integrated with electric power steering controller and rear steer | |
| KR20090122205A (en) | Vehicle Driving Aids | |
| CN113859240B (en) | Lane change assisting system and lane change method using the same | |
| CN111361548B (en) | Vehicle control system | |
| CN107416020A (en) | For the system and method and vehicle of the steering for controlling and/or adjusting vehicle | |
| CN113635962B (en) | Vehicle alignment method, device and system and vehicle | |
| JP2012131312A (en) | Driving support device | |
| CN116215643B (en) | Steering column collapse force adjusting method, vehicle, equipment and medium | |
| CN118928385A (en) | Control device, manager, method, non-transitory storage medium, vehicle, vehicle control device, and vehicle control method | |
| US8818642B2 (en) | Control of active vehicle devices during cornering | |
| CN102834306B (en) | Arrester control device and brake control method | |
| CN113650589B (en) | Emergency braking method and system based on variable acceleration model | |
| CN113492855A (en) | Acceleration compensation method and device in car following scene and readable storage medium | |
| CN118894101A (en) | Vehicle control method, system, vehicle and electronic equipment in tire blowout scenario | |
| US20240075783A1 (en) | Suspension control device | |
| JP6185412B2 (en) | Vehicle control device | |
| JP6237105B2 (en) | Vehicle control device | |
| EP2505442B1 (en) | Speed and severity trigger for an active device of a vehicle | |
| CN114701562B (en) | Vehicle pipe column collapse control method, device, equipment and storage medium | |
| JP6207497B2 (en) | Suspension control device | |
| JP5507745B2 (en) | Driving assistance device | |
| CN106004834A (en) | Control method and system for emergency braking of automobile and automobile | |
| JP5055941B2 (en) | Electric power steering device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |