CN116985745A - Control method, device and equipment of vehicle restraint system - Google Patents
Control method, device and equipment of vehicle restraint system Download PDFInfo
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- CN116985745A CN116985745A CN202311142160.5A CN202311142160A CN116985745A CN 116985745 A CN116985745 A CN 116985745A CN 202311142160 A CN202311142160 A CN 202311142160A CN 116985745 A CN116985745 A CN 116985745A
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- 238000000034 method Methods 0.000 title claims abstract description 39
- 238000005457 optimization Methods 0.000 claims description 19
- 238000004590 computer program Methods 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 6
- 238000013507 mapping Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000005474 detonation Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
Classifications
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- 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
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0132—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to vehicle motion parameters, e.g. to vehicle longitudinal or transversal deceleration or speed value
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- 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
- B60R21/013—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
- B60R21/0136—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to actual contact with an obstacle, e.g. to vehicle deformation, bumper displacement or bumper velocity relative to the vehicle
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- 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
- B60R21/015—Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting the presence or position of passengers, passenger seats or child seats, and the related safety parameters therefor, e.g. speed or timing of airbag inflation in relation to occupant position or seat belt use
- B60R21/01512—Passenger detection systems
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- 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
- B60R2021/01204—Actuation parameters of safety arrangents
- B60R2021/01252—Devices other than bags
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automotive Seat Belt Assembly (AREA)
Abstract
The application discloses a control method, a device and equipment of a vehicle restraint system, wherein the method comprises the following steps: when a vehicle collides, acquiring an actual collision scene and an actual collision speed of the vehicle; searching target constraint parameters matched with the actual collision scene and the actual collision speed in a database, wherein the corresponding relation between each collision scene and each collision speed and each constraint parameter is stored in the database, and the constraint parameters at least comprise linear adjustable parameters of at least one constraint component; and controlling the at least one restraint assembly to restrain and protect the passenger according to the target restraint parameters. According to the technical scheme provided by the application, corresponding target constraint parameters can be provided for different collision scenes and different collision speeds, so that a vehicle constraint system can carry out constraint protection on passengers according to the target constraint parameters, and the constraint protection performance of the vehicle is improved.
Description
Technical Field
The application belongs to the technical field of vehicle restraint control, and particularly relates to a control method, a device and equipment of a vehicle restraint system.
Background
When a collision accident occurs to the vehicle, the vehicle restraint system has restraint and protection functions for passengers in the vehicle, so that the improvement of restraint and protection performance has important significance for the safety of the passengers. At present, a vehicle restraint system is mainly used for restraining and protecting passengers by presetting unified restraint parameters, and the method is poor in effect when being suitable for different collision environments.
Disclosure of Invention
The embodiment of the application provides a control method, a device and equipment of a vehicle restraint system, and further provides corresponding target restraint parameters for different collision scenes and different collision speeds at least to a certain extent, so that the vehicle restraint system restrains and protects passengers according to the target restraint parameters, the restraint and protection performance of the vehicle is improved, and the passenger experience is improved.
Other features and advantages of the application will be apparent from the following detailed description, or may be learned by the practice of the application.
According to a first aspect of an embodiment of the present application, there is provided a control method of a vehicle restraint system, including:
when a vehicle collides, acquiring an actual collision scene and an actual collision speed of the vehicle;
searching target constraint parameters matched with the actual collision scene and the actual collision speed in a database, wherein the corresponding relation between each collision scene and each collision speed and each constraint parameter is stored in the database, and the constraint parameters at least comprise linear adjustable parameters of at least one constraint component;
and controlling the at least one restraint assembly to restrain and protect the passenger according to the target restraint parameters.
In some embodiments of the present application, based on the foregoing scheme, searching a database for a target constraint parameter matching the actual collision scenario and the actual collision velocity includes:
searching a target collision scene matched with the actual collision scene and a target collision speed matched with the actual collision speed in a database;
and searching target constraint parameters corresponding to the target collision scene and the target collision speed according to the corresponding relation.
In some embodiments of the present application, based on the foregoing scheme, the process of establishing the correspondence between each collision scenario and each collision velocity together with each constraint parameter is as follows:
aiming at each collision scene and each collision speed in a preset collision speed interval, constructing an occupant restraint performance optimization model by taking the optimal occupant restraint performance as an optimization target and taking different restraint parameters of each restraint assembly as variables, wherein the minimum speed of the preset collision speed interval is the corresponding collision speed when the vehicle restraint system is started;
and taking the optimal solution of the occupant restraint performance optimization model as a restraint parameter corresponding to the current collision scene and the current collision speed, and establishing the corresponding relation.
In some embodiments of the application, based on the foregoing, the restraint assembly includes a steering column, and the linearly adjustable parameter includes a steering column crush force and a steering column crush stroke.
According to a second aspect of the embodiment of the present application, there is provided a control device of a vehicle restraint system, including:
the first acquisition module is used for acquiring an actual collision scene and an actual collision speed of the vehicle when the vehicle collides;
the first searching module is used for searching target constraint parameters matched with the actual collision scene and the actual collision speed in a database, wherein the corresponding relation between each collision scene and each collision speed and each constraint parameter is stored in the database, and the constraint parameters at least comprise linear adjustable parameters of at least one constraint component;
and the first control module is used for controlling the at least one restraint component to restrain and protect the passengers according to the target restraint parameters.
According to a third aspect of the embodiment of the present application, there is provided a control method of a vehicle restraint system, including:
when a vehicle collides, acquiring an actual collision scene of the vehicle, an actual collision speed of the vehicle and an actual physiological parameter of an occupant;
searching target constraint parameters matched with the actual collision scene, the actual collision speed and the actual physiological parameters in a database, wherein the corresponding relation between each collision scene, each collision speed and each physiological parameter and each constraint parameter is stored in the database, and the constraint parameters comprise linear adjustable parameters of at least one constraint component;
and controlling the at least one restraint assembly to restrain and protect the passenger according to the target restraint parameters.
In some embodiments of the present application, based on the foregoing solution, searching a database for a target constraint parameter matching the actual collision scenario, the actual collision velocity, and the actual physiological parameter, including:
searching a target collision scene matched with the actual collision scene, a target collision speed matched with the actual collision speed and a target physiological parameter matched with the actual physiological parameter in a database;
and searching the target collision scene, the target collision speed and the target constraint parameters corresponding to the target physiological parameters according to the corresponding relation.
In some embodiments of the present application, based on the foregoing solution, the process of establishing the correspondence between each collision scenario, each collision velocity, and each physiological parameter together with each constraint parameter is as follows:
aiming at each collision scene, each collision speed in a preset collision speed interval and each physiological parameter of an occupant, constructing an occupant restraint performance optimization model by taking the optimal occupant restraint performance as an optimization target and taking different restraint parameters of each restraint assembly as variables, wherein the minimum speed of the preset collision speed interval is the corresponding collision speed when the vehicle restraint system is started;
and taking the optimal solution of the occupant restraint performance optimization model as a restraint parameter corresponding to the current collision scene, the current collision speed and the current physiological parameter, and establishing the corresponding relation.
According to a fourth aspect of the embodiment of the present application, there is provided a control device of a vehicle restraint system, including:
the second acquisition module is used for acquiring the actual collision scene, the actual collision speed and the actual physiological parameters of the passengers of the vehicle when the vehicle collides;
the second searching module is used for searching target constraint parameters matched with the actual collision scene, the actual collision speed and the actual physiological parameters in a database, wherein the corresponding relation between each collision scene, each collision speed and each physiological parameter and each constraint parameter is stored in the database, and the constraint parameters comprise linear adjustable parameters of at least one constraint component;
and the second control module is used for controlling the at least one restraint assembly to restrain and protect the passengers according to the target restraint parameters.
According to a fifth aspect of an embodiment of the present application, there is provided an electronic apparatus including: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method steps of any of the first aspect or the third aspect when the program is executed.
The one or more technical solutions provided by the embodiments of the present application at least achieve the following technical effects or advantages:
when a vehicle collides, the embodiment of the application provides corresponding target constraint parameters for different collision scenes and different collision speeds, so that a vehicle constraint system carries out constraint protection on passengers according to the target constraint parameters, the constraint protection performance of the vehicle is improved, and the passenger experience is improved.
It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the application as claimed.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the application and together with the description, serve to explain the principles of the application. It is evident that the drawings in the following description are only some embodiments of the present application and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art. In the drawings:
FIG. 1 illustrates a flow chart of a method of controlling a vehicle restraint system in accordance with an embodiment of the present application;
FIG. 2 is a block diagram of a control device of a vehicle restraint system according to an embodiment of the present application;
FIG. 3 illustrates a flow chart of a method of controlling another vehicle restraint system of an embodiment of the present application;
fig. 4 shows a structural diagram of a control device of another vehicle restraint system of an embodiment of the present application.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Furthermore, the described features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. In the following description, numerous specific details are provided to give a thorough understanding of embodiments of the application. One skilled in the relevant art will recognize, however, that the application may be practiced without one or more of the specific details, or with other methods, components, devices, steps, etc. In other instances, well-known methods, devices, implementations, or operations are not shown or described in detail to avoid obscuring aspects of the application.
The block diagrams depicted in the figures are merely functional entities and do not necessarily correspond to physically separate entities. That is, the functional entities may be implemented in software, or in one or more hardware modules or integrated circuits, or in different networks and/or processor devices and/or microcontroller devices.
The flow diagrams depicted in the figures are exemplary only, and do not necessarily include all of the elements and operations/steps, nor must they be performed in the order described. For example, some operations/steps may be decomposed, and some operations/steps may be combined or partially combined, so that the order of actual execution may be changed according to actual situations.
It should also be noted that the terms "first," "second," and the like in the description and claims of the present application and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the objects so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented in other sequences than those illustrated or otherwise described.
Referring to fig. 1, a flowchart of a control method of a vehicle restraint system according to an embodiment of the present application is shown.
As shown in fig. 1, according to a first aspect of an embodiment of the present application, there is provided a control method of a vehicle restraint system, including but not limited to, realized by steps S101 to S103:
s101, when a vehicle collides, acquiring an actual collision scene and an actual collision speed of the vehicle;
s102, searching target constraint parameters matched with the actual collision scene and the actual collision speed in a database, wherein the corresponding relation between each collision scene and each collision speed and each constraint parameter is stored in the database, and the constraint parameters at least comprise linear adjustable parameters of at least one constraint component;
and S103, controlling the at least one restraint assembly to restrain and protect the passenger according to the target restraint parameters.
Based on the disclosure, when the vehicle collides, the embodiment of the application provides corresponding target constraint parameters for different collision scenes and different collision speeds, so that the vehicle constraint system carries out constraint protection on the passengers according to the target constraint parameters, the constraint protection performance of the vehicle is improved, and the passenger experience is improved.
In some embodiments, the control method of the vehicle restraint system in the embodiment of the present application may be implemented by an ECU (Electronic Control Unit, electronic controller unit) controller of the vehicle, which may be provided inside the vehicle cabin.
In step S101, the collision speed refers to the relative speed between itself and other colliding objects when a collision occurs, i.e., the speed difference.
In some embodiments of step S101, at the time of collision, the running speed of the other vehicle or object that collides with the host vehicle may be detected by a radar device mounted on the vehicle body, and the running speed of the host vehicle may be detected by a speed sensor mounted on the vehicle, the radar device transmitting the running speed of the other vehicle or object to the ECU, the speed sensor transmitting the running speed of the host vehicle to the ECU, the ECU obtaining the actual collision speed by calculating a speed difference between the running speed of the other vehicle or object and the running speed of the host vehicle.
In some embodiments of step S101, in order to detect whether a collision event occurs, the embodiment of the present application may detect whether a collision event occurs by installing a collision detection sensor on a vehicle body, for example, installing the collision detection sensor at front and rear ends or at a side of the vehicle body, so as to detect a collision event occurring in front and rear or at a side of the vehicle, and also, when the collision detection sensor detects that a collision event occurs, send a notification to the ECU so that the ECU can learn that the collision event occurs.
In step S101, the collision scenario includes various scenarios where the vehicle may collide, including but not limited to, the vehicle hitting a rigid wall, the vehicle hitting a tree or a pole, the vehicle colliding with other vehicles, the vehicle hitting a high speed rail, etc., which will not be described herein.
In some embodiments of step S101, in order to further identify an actual collision scene, in the embodiment of the present application, a camera may be installed on a vehicle body to collect an image of the actual collision scene, for example, the camera is distributed around the vehicle body and at the top of the vehicle body to collect an image, so that the collision scene may be identified according to an existing image identification algorithm.
It may be understood that the radar device, the speed sensor, the collision detection sensor, the camera and other devices in the embodiments of the present application may be connected to the ECU controller by a wire, or may be connected to the ECU controller by a wireless connection, which is not limited herein.
In some embodiments of step S102, the restraint assembly includes at least a steering column, and the linearly adjustable parameter includes a steering column crush force and a steering column crush stroke. According to the embodiment of the application, matched linear adjustable parameters of the steering column, such as the steering column crushing force and the steering column crushing stroke, are provided for different collision scenes and different collision speeds, so that the steering column can be crushed according to the corresponding crushing force and the corresponding crushing stroke according to the actual collision situation, a more adaptive anti-collision space is provided for passengers, and the safety protection performance of the passengers is improved.
In some embodiments of step S102, the restraint assembly further comprises an airbag and/or a seat belt, and the linearly adjustable parameter comprises an initiation time of the airbag and/or a tightening time of the seat belt. According to the embodiment of the application, the matched air bag detonation time and/or the tightening action time of the safety belt are provided for different collision scenes and different collision speeds, so that the air bag can be controlled to detonate at the corresponding time point according to the actual collision condition, and/or the safety belt is controlled to tighten at the corresponding time band, and further the corresponding restraint protection is provided for passengers, and the passenger experience is improved.
In some embodiments in step S102, searching in a database for target constraint parameters matching the actual collision scenario and the actual collision velocity includes:
searching a target collision scene matched with the actual collision scene and a target collision speed matched with the actual collision speed in a database;
and searching target constraint parameters corresponding to the target collision scene and the target collision speed according to the corresponding relation.
It can be appreciated that the target collision scene may be the same scene as the actual collision scene, or may be the scene closest to the actual collision scene in each collision scene in the database; similarly, the target collision speed may be the same as the actual collision speed, or may be a speed closest to the actual collision speed in the collision speeds in the database, which is specifically set according to the actual application requirement, and is not limited herein.
Wherein, the corresponding relation between each collision scene and each collision speed stored in the database and each constraint parameter can be: the database is stored with a preset mapping relation table, and the preset mapping relation table is recorded with the corresponding relation between each collision scene and each collision speed and each constraint parameter.
Then, searching a target constraint parameter matched with the actual collision scene and the actual collision speed in a database, wherein the target constraint parameter comprises the following components: searching a target collision scene matched with the actual collision scene and a target collision speed matched with the actual collision speed; and searching target constraint parameters corresponding to the target collision scene and the target collision speed in a preset mapping relation table.
The database stores the correspondence between each collision scene and each collision speed together and each constraint parameter as follows: the database is stored with a mapping relation function which is used for representing the functional relation between each collision scene and each collision speed and each constraint parameter, and the constraint parameters corresponding to the collision scene and the collision speed can be calculated by calling the mapping relation function.
Then, searching a target constraint parameter matched with the actual collision scene and the actual collision speed in a database, wherein the target constraint parameter comprises the following components: searching a target collision scene matched with the actual collision scene and a target collision speed matched with the actual collision speed; and calling a mapping relation function to calculate target constraint parameters corresponding to the target collision scene and the target collision speed.
In some embodiments of step S102, the process of establishing the correspondence between each collision scenario and each collision velocity together with each constraint parameter is as follows:
aiming at each collision scene and each collision speed in a preset collision speed interval, constructing an occupant restraint performance optimization model by taking the optimal occupant restraint performance as an optimization target and taking different restraint parameters of each restraint assembly as variables, wherein the minimum speed of the preset collision speed interval is the corresponding collision speed when the vehicle restraint system is started;
and taking the optimal solution of the occupant restraint performance optimization model as a restraint parameter corresponding to the current collision scene and the current collision speed, and establishing the corresponding relation.
It should be noted that, when the corresponding relationship is established, a set of constraint parameters meeting the current specifications, that is, constraint parameters meeting the constraint system when the vehicle impacts the rigid wall, are usually required to be calibrated in advance, and at this time, the specification parameters such as the sizes, the materials and the like of the air bag and the mounting belt can be determined. On the basis of the specification parameters of the safety airbag and the safety belt, the linear adjustable parameters of each restraint component in the restraint system are calibrated, such as the detonation time of the safety airbag, the tightening time of the safety belt, the crushing force of the steering column and the crushing stroke of the steering column.
It is understood that the minimum speed of the preset collision speed interval is the corresponding collision speed when the vehicle restraint system is started, which means that: when the collision speed is greater than the minimum speed, the vehicle restraint system is activated to restrain and protect the occupant.
It is understood that a plurality of collision velocities are provided in the preset collision velocity section, for example, as one collision velocity every n km/h in a velocity section from the minimum velocity V0 to the maximum velocity Vt, for example, as one collision velocity every 5 km/h or every 10 km/h in a collision velocity section from 30 to 120. The maximum speed Vt refers to the maximum speed that the vehicle can reach when it collides in a normal case, and the minimum collision speed and the maximum speed thereof can be set according to the collision scene for each collision scene, which is not limited herein.
The occupant restraint performance is best: under the current collision speed and collision scene, the optimal protection of the passengers, namely the minimum injury to the passengers, can be realized by adopting corresponding constraint parameters.
It can be understood that when the corresponding relation between each collision scene and each collision speed and each constraint parameter is established, the occupant constraint performance optimization model can be solved through the existing simulation software or test device, and the solving principle is the existing principle and is not repeated here.
In some embodiments of step S103, controlling the at least one restraint assembly to restrain and protect the occupant according to the target restraint parameter includes:
the steering column is controlled to crush according to the target crushing force and the target crushing stroke, so that a corresponding anti-collision space is provided for passengers.
In some embodiments of step S103, controlling the at least one restraint assembly to restrain and protect the occupant according to the target restraint parameter includes:
and controlling the air bag to detonate according to the target detonation time and/or controlling the safety belt to tighten according to the target tightening time so as to restrain and protect the passenger.
The following describes embodiments of the apparatus of the present application that may be used to perform the methods of the above-described embodiments of the present application. For details not disclosed in the embodiments of the apparatus of the present application, please refer to the embodiments of the method of the present application.
Referring to fig. 2, a block diagram of a control device of a vehicle restraint system according to an embodiment of the present application is shown.
As shown in fig. 2, according to a second aspect of the embodiment of the present application, there is provided a control device 200 of a vehicle restraint system, including:
a first acquiring module 201, configured to acquire an actual collision scene and an actual collision speed of a vehicle when the vehicle collides;
a first searching module 202, configured to search a database for target constraint parameters matched with the actual collision scenario and the actual collision speed, where the database stores a correspondence between each collision scenario and each collision speed and each constraint parameter, and the constraint parameters at least include a linearly adjustable parameter of at least one constraint component;
a first control module 203 for controlling the at least one restraint assembly to restrain and protect the occupant according to the target restraint parameters.
The embodiment of the application also provides another control method of the vehicle restraint system on the basis of the method of the first aspect, and the method increases consideration of physiological parameters of passengers on the basis of the method of the first aspect, and further combines the physiological parameters of the passengers to match corresponding restraint parameters so as to play a better restraint protection role.
Referring to fig. 3, a flow chart of another control method of a vehicle restraint system of an embodiment of the present application is shown.
As shown in fig. 3, according to a third aspect of the embodiment of the present application, there is provided a control method of a vehicle restraint system, including, but not limited to, realized by steps S301 to S303:
s301, acquiring an actual collision scene of a vehicle, an actual collision speed of the vehicle and actual physiological parameters of passengers when the vehicle collides;
s302, searching target constraint parameters matched with the actual collision scene, the actual collision speed and the actual physiological parameters in a database, wherein the corresponding relation between each collision scene, each collision speed and each physiological parameter and each constraint parameter is stored in the database, and the constraint parameters comprise linear adjustable parameters of at least one constraint component;
and S303, controlling the at least one restraint assembly to restrain and protect the passenger according to the target restraint parameters.
It will be appreciated that the physiological parameters of the occupant include, but are not limited to, height, weight, arm length, leg length, etc., and are specifically set according to actual requirements, which are not limited herein.
In some embodiments of the present application, based on the foregoing solution, searching a database for a target constraint parameter matching the actual collision scenario, the actual collision velocity, and the actual physiological parameter, including:
searching a target collision scene matched with the actual collision scene, a target collision speed matched with the actual collision speed and a target physiological parameter matched with the actual physiological parameter in a database;
and searching the target collision scene, the target collision speed and the target constraint parameters corresponding to the target physiological parameters according to the corresponding relation.
In some embodiments of the present application, based on the foregoing solution, the process of establishing the correspondence between each collision scenario, each collision velocity, and each physiological parameter together with each constraint parameter is as follows:
aiming at each collision scene, each collision speed in a preset collision speed interval and each physiological parameter of an occupant, constructing an occupant restraint performance optimization model by taking the optimal occupant restraint performance as an optimization target and taking different restraint parameters of each restraint assembly as variables, wherein the minimum speed of the preset collision speed interval is the corresponding collision speed when the vehicle restraint system is started;
and taking the optimal solution of the occupant restraint performance optimization model as a restraint parameter corresponding to the current collision scene, the current collision speed and the current physiological parameter, and establishing the corresponding relation.
Based on the disclosure, when the vehicle collides, the embodiment of the application provides corresponding target constraint parameters aiming at different collision scenes, different collision speeds and different physiological parameters, so that the vehicle constraint system carries out constraint protection on different passengers according to the target constraint parameters, the constraint protection performance of the vehicle is improved, and the passenger experience is improved.
Referring to fig. 4, a block diagram of a control device of another vehicle restraint system of an embodiment of the present application is shown.
As shown in fig. 4, according to a fourth aspect of the embodiment of the present application, there is provided a control apparatus 400 of a vehicle restraint system, including:
a second obtaining module 401, configured to obtain an actual collision scene, an actual collision speed, and an actual physiological parameter of an occupant of the vehicle when the vehicle collides;
a second searching module 402, configured to search a database for target constraint parameters matched with the actual collision scenario, the actual collision speed, and the actual physiological parameters, where the database stores correspondence between each collision scenario, each collision speed, and each physiological parameter and each constraint parameter, and the constraint parameters include linearly adjustable parameters of at least one constraint component;
a second control module 403, configured to control the at least one restraint assembly to perform restraint protection on the occupant according to the target restraint parameter.
According to a fifth aspect of an embodiment of the present application, there is provided an electronic apparatus including: a memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method steps of any of the first aspect or the third aspect when the program is executed.
The above description is only an example of the present application and is not intended to limit the present application, but various modifications and variations can be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A control method of a vehicle restraint system, characterized by comprising:
when a vehicle collides, acquiring an actual collision scene and an actual collision speed of the vehicle;
searching target constraint parameters matched with the actual collision scene and the actual collision speed in a database, wherein the corresponding relation between each collision scene and each collision speed and each constraint parameter is stored in the database, and the constraint parameters at least comprise linear adjustable parameters of at least one constraint component;
and controlling the at least one restraint assembly to restrain and protect the passenger according to the target restraint parameters.
2. The method of claim 1, wherein looking up in a database target constraint parameters matching the actual collision scenario and the actual collision velocity, comprises:
searching a target collision scene matched with the actual collision scene and a target collision speed matched with the actual collision speed in a database;
and searching target constraint parameters corresponding to the target collision scene and the target collision speed according to the corresponding relation.
3. The method according to claim 1, wherein the establishment of the correspondence between each collision scenario and each collision velocity together with each constraint parameter is as follows:
aiming at each collision scene and each collision speed in a preset collision speed interval, constructing an occupant restraint performance optimization model by taking the optimal occupant restraint performance as an optimization target and taking different restraint parameters of each restraint assembly as variables, wherein the minimum speed of the preset collision speed interval is the corresponding collision speed when the vehicle restraint system is started;
and taking the optimal solution of the occupant restraint performance optimization model as a restraint parameter corresponding to the current collision scene and the current collision speed, and establishing the corresponding relation.
4. The method of claim 1, wherein the restraint assembly comprises a steering column and the linearly adjustable parameter comprises a steering column crush force and a steering column crush stroke.
5. A control device of a vehicle restraint system, characterized by comprising:
the first acquisition module is used for acquiring an actual collision scene and an actual collision speed of the vehicle when the vehicle collides;
the first searching module is used for searching target constraint parameters matched with the actual collision scene and the actual collision speed in a database, wherein the corresponding relation between each collision scene and each collision speed and each constraint parameter is stored in the database, and the constraint parameters at least comprise linear adjustable parameters of at least one constraint component;
and the first control module is used for controlling the at least one restraint component to restrain and protect the passengers according to the target restraint parameters.
6. A control method of a vehicle restraint system, characterized by comprising:
when a vehicle collides, acquiring an actual collision scene of the vehicle, an actual collision speed of the vehicle and an actual physiological parameter of an occupant;
searching target constraint parameters matched with the actual collision scene, the actual collision speed and the actual physiological parameters in a database, wherein the corresponding relation between each collision scene, each collision speed and each physiological parameter and each constraint parameter is stored in the database, and the constraint parameters comprise linear adjustable parameters of at least one constraint component;
and controlling the at least one restraint assembly to restrain and protect the passenger according to the target restraint parameters.
7. The method of claim 6, wherein looking up in a database target constraint parameters matching the actual collision scenario, the actual collision velocity, and the actual physiological parameters, comprises:
searching a target collision scene matched with the actual collision scene, a target collision speed matched with the actual collision speed and a target physiological parameter matched with the actual physiological parameter in a database;
and searching the target collision scene, the target collision speed and the target constraint parameters corresponding to the target physiological parameters according to the corresponding relation.
8. The method according to claim 6, wherein the corresponding relationship between each collision scenario, each collision velocity, and each physiological parameter together with each constraint parameter is established as follows:
aiming at each collision scene, each collision speed in a preset collision speed interval and each physiological parameter of an occupant, constructing an occupant restraint performance optimization model by taking the optimal occupant restraint performance as an optimization target and taking different restraint parameters of each restraint assembly as variables, wherein the minimum speed of the preset collision speed interval is the corresponding collision speed when the vehicle restraint system is started;
and taking the optimal solution of the occupant restraint performance optimization model as a restraint parameter corresponding to the current collision scene, the current collision speed and the current physiological parameter, and establishing the corresponding relation.
9. A control device of a vehicle restraint system, characterized by comprising:
the second acquisition module is used for acquiring the actual collision scene, the actual collision speed and the actual physiological parameters of the passengers of the vehicle when the vehicle collides;
the second searching module is used for searching target constraint parameters matched with the actual collision scene, the actual collision speed and the actual physiological parameters in a database, wherein the corresponding relation between each collision scene, each collision speed and each physiological parameter and each constraint parameter is stored in the database, and the constraint parameters comprise linear adjustable parameters of at least one constraint component;
and the second control module is used for controlling the at least one restraint assembly to restrain and protect the passengers according to the target restraint parameters.
10. An electronic device, comprising: memory, a processor and a computer program stored on the memory and executable on the processor, the processor implementing the method steps of any one of claims 1 to 4 or the method steps of any one of claims 6 to 8 when the program is executed.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117574539A (en) * | 2023-11-22 | 2024-02-20 | 苏州郅荣软件有限公司 | Optimization parameter verification system for vehicle restraint system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN117574539A (en) * | 2023-11-22 | 2024-02-20 | 苏州郅荣软件有限公司 | Optimization parameter verification system for vehicle restraint system |
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