CN111251950B - Occupant classification protection method, system, device, and computer-readable storage medium - Google Patents
Occupant classification protection method, system, device, and computer-readable storage medium Download PDFInfo
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- 206010039203 Road traffic accident Diseases 0.000 abstract description 5
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/0244—Non-manual adjustments, e.g. with electrical operation with logic circuits
- B60N2/0276—Non-manual adjustments, e.g. with electrical operation with logic circuits reaction to emergency situations, e.g. crash
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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
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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
- B60R2021/0002—Type of accident
- B60R2021/0004—Frontal collision
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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
- B60R2021/0002—Type of accident
- B60R2021/0006—Lateral collision
Abstract
The invention discloses a method, a system, equipment and a computer readable storage medium for protecting passengers by classification, wherein the method is applied to a seat and comprises the following steps: acquiring the posture information of a current passenger and classifying the current passenger into corresponding passenger categories according to the posture information, wherein the posture information comprises body type information and/or sitting posture information; and judging whether a collision early warning signal is received or not, and if so, adjusting the seat to the optimal protection position according to the class of the passenger. According to the method, the current passengers are divided into different categories according to the posture information of the current passengers, and the seats can be adjusted to different positions according to the posture characteristics of the different passengers when the collision early warning signals are received, so that the seats can adapt to the individual requirements of different individuals, an individual pre-collision protection scheme is provided for each individual, and the injury of traffic accidents to the passengers is greatly reduced.
Description
Technical Field
The present invention relates to the field of automotive technologies, and in particular, to a method, a system, a device, and a computer-readable storage medium for occupant classification protection.
Background
In the field of automotive technology, many motor vehicle seats are known and are widely installed in today's vehicles, in particular adjustable vehicle seats, with which the user can set the position in which he is most comfortable when sitting. In order to reduce the injury to the occupants in the event of a traffic accident, vehicles are often equipped with several safety systems, such as seat belts and airbags. The positive effects of seat belt usage and airbag deployment benefit from a good timing function in the system activation and the occupant's responsiveness, and therefore the vehicle seat can be brought into a position that provides the best possible protection for the user in the case of a safety system. However, because each individual is different, the optimal safe location will vary from individual to individual at the time of the accident.
Disclosure of Invention
The invention aims to overcome the defect that personalized seat adjustment cannot be provided for an individual to provide the best seat protection effect for a user before or when an accident occurs in the prior art, and provides a personalized optimal occupant classification protection method, system and device for a seat and a computer readable storage medium method, system and electronic device and a computer readable storage medium.
The invention solves the technical problems through the following technical scheme:
the invention provides a passenger classification protection method, which is applied to a seat and comprises the following steps:
acquiring the posture information of a current passenger and classifying the current passenger into corresponding passenger categories according to the posture information, wherein the posture information comprises body type information and/or sitting posture information;
and judging whether a collision early warning signal is received or not, and if so, adjusting the seat to the optimal protection position according to the passenger category.
Preferably, the step of acquiring the posture information of the current passenger comprises:
acquiring height information of a current passenger and dividing the current passenger into corresponding height categories according to the height information;
acquiring weight information of a current passenger and dividing the current passenger into corresponding weight categories according to the weight information;
and classifying the current passenger into a corresponding body type according to the height type and the weight type of the current passenger.
Preferably, a sensor is arranged on the seat, and the sensor comprises a pressure sensor and/or a visual sensor;
the step of acquiring the posture information of the current occupant includes acquiring the posture information of the current occupant according to the sensor.
Preferably, the method further comprises the following steps: and judging whether the body type information input by the current passenger is received or not, if not, automatically acquiring the body type information of the current passenger through the sensor, and if so, confirming that the received information is the body type information of the current member.
Preferably, a pressure sensor is disposed in the seat cushion of the seat, and the step of classifying the current occupant into the corresponding occupant category further includes:
and judging whether the pressure sensor continuously detects the pressure, and if not, executing the step of acquiring the body state information of the current passenger again.
Preferably, the step of determining whether the pressure sensor continuously detects the pressure comprises: and judging whether the pressure sensor does not detect the pressure within a preset time range or not, and then detecting the pressure again, if so, executing the step of acquiring the posture information of the current passenger again.
Preferably, the step of acquiring the sitting posture information of the current passenger comprises: dividing the current passenger into corresponding sitting posture types according to the sitting posture information, wherein the sitting posture types comprise a sitting posture and a resting posture;
the step of classifying the current occupant into a corresponding occupant class according to the posture information comprises the following steps:
and classifying the current passenger into the corresponding passenger category according to the sitting posture category and the body type category of the current passenger.
Preferably, the backrest of the seat is provided with a plurality of pressure sensors which are symmetrically distributed along the midline of the backrest,
the occupant classification protection method further includes:
judging whether an average pressure difference value detected by pressure sensors symmetrically distributed at two sides of the backrest is smaller than a first preset pressure value or not, and if so, confirming that the sitting posture category of the passenger is a sitting posture or a resting posture;
and/or the presence of a gas in the atmosphere,
judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed on the two sides of the backrest is smaller than a first preset pressure value or not, and if not, sending reminding information for reminding passengers to change the sitting posture;
and/or the presence of a gas in the gas,
judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed on the two sides of the backrest is smaller than a second preset pressure value, and if so, determining that the sitting posture type of the passenger is a sitting posture correction posture;
and/or the presence of a gas in the gas,
and judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed at the two sides of the backrest is smaller than a second preset pressure value or not, and if not, determining that the sitting posture category of the passenger is a rest posture.
Preferably, the occupant classification protection method further includes:
and if the collision early warning signal is received, detecting the accident type, determining the adjustment type of the seat according to the accident type and the passenger type, and adjusting the seat according to the adjustment type, wherein the accident type comprises front collision, rear collision or side collision.
Preferably, the occupant classification protection method further includes:
according to the simulation calculation mode, the optimal protection position of each mechanism of the seat under different accident types and passenger types is calculated, and the mechanism comprises: at least one of a headrest mechanism, a backrest mechanism, a front and rear slide way, a front lifting mechanism, a rear lifting mechanism, a lateral support, a left and right slide way and a lumbar support.
The invention also provides an occupant classification protection system, which is applied to a seat and comprises the following components: the passenger classification module and the collision judgment module;
the occupant classification module is used for acquiring the posture information of the current occupant and classifying the current occupant into the corresponding occupant classification according to the posture information, wherein the posture information comprises body type information and/or sitting posture information;
the collision judging module is used for judging whether to receive a collision early warning signal, and if so, the seat is adjusted to the optimal protection position according to the passenger category.
Preferably, the occupant classification module comprises a height classification unit, a weight classification unit and a body type classification unit;
the height category dividing unit is used for acquiring height information of the current passenger and dividing the current passenger into corresponding height categories according to the height information;
the weight type dividing unit is used for acquiring weight information of a current passenger and dividing the current passenger into corresponding weight types according to the weight information;
the body type classification unit is used for classifying the current passenger into the corresponding body type according to the height type and the weight type of the current passenger.
Preferably, a sensor is arranged on the seat, and the sensor comprises a pressure sensor and/or a visual sensor;
the occupant classification module is used for acquiring the posture information of the current occupant according to the sensor.
Preferably, the occupant classification module is further configured to determine whether body type information input by a current occupant is received, if not, automatically acquire the body type information of the current occupant through the sensor, and if so, confirm that the received information is the body type information of the current member.
Preferably, the occupant classification protection system further comprises a continuous pressure monitoring module, a pressure sensor is arranged in a cushion of the seat, and the occupant classification module is further configured to invoke the continuous pressure monitoring module;
the pressure continuous monitoring module is used for judging whether the pressure sensor continuously detects pressure, and if not, the passenger category division module is called.
Preferably, the pressure continuous monitoring module is further configured to determine whether the pressure sensor detects no pressure within a preset time range and then detects pressure again, and if so, invoke the occupant classification module.
Preferably, the occupant classification module further comprises a sitting posture classification unit and an occupant classification unit;
the sitting posture type dividing unit is used for dividing the current passenger into corresponding sitting posture types according to the sitting posture information, and the sitting posture types comprise a sitting posture and a resting posture;
the passenger classification unit is used for classifying the current passenger into the corresponding passenger classification according to the sitting posture classification and the body type classification of the current passenger.
Preferably, the backrest of the seat is provided with a plurality of pressure sensors symmetrically distributed along a midline of the backrest, and the occupant classification protection system further comprises: a pressure difference judging module for judging the pressure difference,
the pressure sensor is used for judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed at the two sides of the backrest is smaller than a first preset pressure value or not, and if so, the sitting posture type of the passenger is determined to be a sitting posture or a resting posture;
and/or the presence of a gas in the gas,
the device is used for judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed at the two sides of the backrest is smaller than a first preset pressure value or not, and if not, sending reminding information for reminding passengers to change the sitting posture;
and/or the presence of a gas in the gas,
the device is used for judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed at the two sides of the backrest is smaller than a second preset pressure value or not, and if so, confirming that the sitting posture type of the passenger is a sitting posture correcting posture;
and/or the presence of a gas in the gas,
and the pressure sensors are used for judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed at the two sides of the backrest is smaller than a second preset pressure value or not, and if not, determining that the sitting posture type of the passenger is a rest posture.
Preferably, the occupant classification protection system further includes: and the collision judging module is used for detecting the accident type, determining the adjustment type of the seat according to the accident type and the passenger type and adjusting the seat according to the adjustment type if the collision early warning signal is judged to be received, wherein the accident type comprises front collision, rear collision or side collision.
Preferably, the occupant classification protection system further comprises a calculation module for calculating an optimal protection position of each mechanism of the seat under different accident types and occupant types according to a simulation calculation mode, wherein the mechanism comprises: at least one of a headrest mechanism, a backrest mechanism, a front and rear slide way, a front lifting mechanism, a rear lifting mechanism, a lateral support, a left and right slide way and a lumbar support.
The invention also provides an electronic device comprising a memory, a processor and a computer program stored on the memory and operable on the processor, wherein the processor implements the occupant classification protection method as described above when executing the computer program.
The invention also provides a computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the occupant classification protection method as described above.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The invention has the positive progress effects that: according to the invention, the current passengers are divided into different categories according to the posture information of the current passengers, and when the collision early warning signal is received, the seats can be adjusted to different positions according to the posture characteristics of different passengers, so that the seats can adapt to the individual requirements of different individuals, and thus, an individual pre-collision protection scheme is provided for each individual, and the injury of traffic accidents to the passengers is greatly reduced.
Drawings
Fig. 1 is a flowchart of an occupant classification protection method according to embodiment 1 of the present invention.
Fig. 2 is a flowchart of an implementation manner of step 101 in the occupant classification protection method according to embodiment 1 of the present invention.
Fig. 3 is a flowchart of an implementation manner of step 1011 in the occupant classification protection method according to embodiment 1 of the present invention.
Fig. 4 is a schematic view of a seat back of embodiment 1 of the invention.
Fig. 5 is a schematic structural view of a seat according to embodiment 1 of the present invention.
Fig. 6 is a block diagram of an occupant classification protection system according to embodiment 2 of the present invention.
Fig. 7 is a module diagram illustrating an implementation of the occupant classification module according to embodiment 2 of the present invention.
Fig. 8 is a schematic diagram of a hardware structure of an electronic device according to embodiment 3 of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the invention thereto.
Example 1
The present embodiment provides an occupant classification protection method, as shown in fig. 1, the method in the present embodiment includes:
And 103, adjusting the seat to the optimal protection position according to the occupant category.
Wherein the collision warning signal can be received on the basis of an ADAS (advanced driving assistance system) of the vehicle device.
Since the passengers with different heights and weights are subjected to different impact directions, forces and the like in the same accident, in order to provide the passengers with different heights and weights with the optimal personalized protection positions, as shown in fig. 2, step 101 may specifically include:
and step 1011, obtaining the height information of the current passenger and dividing the current passenger into corresponding height categories according to the height information.
And 1012, acquiring weight information of the current passenger and classifying the current passenger into a corresponding weight category according to the weight information.
And step 1013, dividing the current passenger into corresponding body type categories according to the height category and the weight category of the current passenger.
In order to accurately obtain the height information of the passenger, the height information may be obtained by a manual input method, or by an automatic obtaining method, specifically, as shown in fig. 3, step 1011 may specifically include:
The sensor may be a visual sensor, which may be arranged in front of the seat, on any component in the cabin, and may be arranged behind the backrest of the front row of seats (e.g. at the edge of the touch screen arranged behind the backrest), for example, for the second row of seats, the sensor for detecting the height of the passenger in the seat may be arranged behind the backrest of the first row of seats, and for the first row of passengers, the visual sensor may be arranged at any position in front of the visual sensor where the height of the passenger can be detected.
In order to accurately obtain the weight information of the passenger, the height information in steps 10111 to 10113 may be replaced by weight information, and the visual sensor may be replaced by a pressure sensor, which may be disposed on or in the seat cushion of each seat.
In order to recognize that the seat can be adjusted to a new optimal occupant protection position in time when the occupant is replaced, after step 101, the method may further include:
judging whether the visual sensor continuously acquires the height information of the user or not, if not, executing the step 10111 again to acquire the height information of the passenger again;
and/or
And judging whether the pressure sensor continuously detects the pressure, and if not, executing the step 10111 again to acquire the weight information of the passenger again.
In order to increase the efficiency of obtaining the weight or the height information and avoid repeatedly obtaining the height or the weight information of the same user, the step of determining whether the pressure sensor continuously obtains the weight information of the user may specifically include determining whether the pressure sensor does not detect the pressure within a first preset time range and then detects the pressure again, and if so, performing step 10111 again to obtain the weight information of the passenger; if not, the pressure detection is not required to be carried out again. Similarly, the step of determining whether the vision sensor continuously acquires the height information of the passenger may further include determining whether the vision sensor does not acquire the height information of the passenger within a second preset time range and then acquires the height information of the passenger again, if so, performing step 10111 again to acquire the height information of the passenger, and if not, detecting the height again.
Even if the same passenger has different sitting postures, when a traffic accident occurs, the impact strength applied to each part of the body of the same passenger is different, and in order to adjust each passenger in a targeted manner and improve the protection of the passenger when the passenger has different postures, in this embodiment, step 101 may further specifically include:
and acquiring the sitting posture information of the current passenger, and classifying the current passenger into the corresponding passenger category according to the sitting posture category and the body type category of the current passenger.
The sitting posture category includes a sitting posture and a resting posture.
Specifically, the sitting posture information of the current passenger can be obtained through the pressure sensors, fig. 4 shows a schematic diagram of the backrest of the seat in the embodiment, 20 represents the backrest of the seat, a plurality of pressure sensors shown as 201 and 202 are distributed in the backrest, the pressure sensors are symmetrically distributed along the central axis 203 of the seat, and the pressure sensors shown as 201 are symmetrical to the pressure sensors shown as 202. When the pressure difference value obtained by the pressure sensor 201 and the pressure sensor 202 is smaller than the first preset pressure value, it is determined that the sitting posture category of the passenger is a normal sitting posture or a rest posture, and when the pressure difference value is not smaller than the first preset pressure value, it is determined that the sitting posture of the passenger has a safety risk, and the passenger is reminded to change the sitting posture. In order to obtain more accurate sitting posture information, the pressure difference value of the present embodiment may be an average value of the pressure difference values of all the symmetrically distributed pressure sensors.
In order to provide an optimal occupant protection solution, the occupant classification protection method in this embodiment may further include:
and if the collision early warning signal is received, detecting the accident type, determining the adjustment type of the seat according to the accident type and the passenger type, and adjusting the seat according to the adjustment type, wherein the accident type comprises front collision, rear collision or side collision.
Wherein the type of accident may be determined based on the ADAS of the vehicle device.
In order to provide individualized and optimal protection postures of the seat for passengers with different accident types, different body types and different posture types, in the embodiment, the optimal protection positions of various mechanisms of the seat under different accident types and passenger types are calculated by means of simulation calculation, wherein the mechanisms comprise: at least one of a headrest mechanism, a backrest mechanism, a front and rear slide way, a front lifting mechanism, a rear lifting mechanism, a lateral support, a left and right slide way and a lumbar support.
For example, in response to a frontal impact hazard, the driver is at risk of "dive", i.e. the driver is not effectively restrained by the safety belt and the seat, and there is a problem that the driver slips down through the safety belt. The contact area between the front lifting mechanism and the thigh of the driver is increased, the gliding displacement of the driver is reduced, and the restraint effect of the driver by the safety belt is enhanced. The head and the trunk of a driver need to be arranged at the designed positions, so that the buffering effect of the safety air bag and the safety belt can be matched, and the position of the backrest needs to be adjusted to be matched with the best exertion of the effect of the safety air bag.
For example, when the rear impact danger is dealt with, the neck of the driver is injured, the positions of the headrest and the backrest are adjusted to be close to the head to reduce the deformation of the neck in the accident process, the lateral supporting force and the waist supporting force are too large, the local rigidity of the backrest is generally large, the penetration amount of the driver is reduced, the neck injury risk of the driver is seriously influenced in the accident, and the corresponding expansion and retraction adjustment of the side wings and the waist support are required to be carried out, so that the rigidity of the whole backrest is uniform.
For example, when the lateral support adjustment is used for dealing with the lateral impact danger, the whole driver moves towards the inside of the vehicle through the lateral support adjustment, the pre-acceleration is increased for the driver, and the acceleration difference of the driver and the external impact in the collision is reduced. Meanwhile, the space for the driver to invade the object is improved, and the living space is increased. The lateral supports are tightened inwards, so that the body of a driver can be wrapped, and the pre-acceleration of the driver can be changed for protection.
For better understanding of the present embodiment, the following description will be given by way of a specific example:
according to the simulation calculation or simulation calculation mode of simulating the actual scene, the height of the passenger is classified into types, and the specific classification is shown as the following table:
TABLE 1
The weight of the passengers is classified into types, and the specific classification is shown as the following table:
TABLE 2
| Body weight range | Occupant type 2 |
| <49kg | W0 |
| 49-65kg | W1 |
| 65-78kg | W2 |
| 88-101kg | W3 |
| >101kg | W4 |
The body type of the occupant identified according to the height type and weight type of the occupant is shown in the following table:
TABLE 3
And integrating the information of the type 1 and the type 2 of the passenger, and further analyzing and judging the basic classification information of the body types I, II and III. Generally, body type I corresponds to a simulated crash test Hybrid 5% dummy, body type II corresponds to a Hybrid 50% dummy, and body type III corresponds to a Hybrid 95% dummy.
The table of the occupant types confirmed according to the posture type and body type is as follows:
TABLE 4
| Posture correction | Resting posture | |
| Body type I | S1 | R1 |
| Body type II | S2 | R2 |
| Body type III | S3 | R3 |
The optimal adjustment position relationship for adjusting each mechanism of the seat according to the accident type and the passenger type is as follows:
TABLE 5
Fig. 5 shows a schematic structural diagram of a seat according to this embodiment, which includes a headrest 20, a side wing 21, a backrest rotating device 22, a rear lifting mechanism 23, a front lifting mechanism 26, a left and right slide ways 25, a front and rear slide way 24, and a waist support 27, wherein a plurality of seats are provided in a cabin, when a certain passenger enters the vehicle and sits on the seat, a prompt box pops up on an electronic display screen arranged behind the front seat to prompt the passenger to input his/her height and weight information, and the passenger can manually enter information on a touch screen. Assuming that the height of the occupant is predicted to be 165 and the weight is predicted to be 50 kg by the vision sensor, the height type of the occupant is H2 and the weight type is W1 as can be known from table 1 and table 2, and the body type of the occupant is II as can be known from table 3, and then the sitting posture of the occupant is predicted to be the resting posture type by the pressure sensor provided in the seat back, and therefore, the occupant can be classified as the R2 occupant type according to table 4. When an accident is about to occur, a radar of the vehicle, an environmental vision sensor or a V2X (vehicle-to-outside information exchange) network can provide driving danger early warning information for the ADAS, and a collision early warning signal processed by the ADAS predicts that the vehicle will have side impact according to the ADAS, so corresponding to table 5, the headrest 20 needs to be adjusted to a safe position, namely, the middle position and the backrest are adjusted to a position forming an included angle of 30 degrees backwards with the vertical position through the backrest rotating mechanism 22, the seat is adjusted to the middle position through the front and rear slide rails 24, the front lifting mechanism 26 does not need to act, the rear lifting mechanism 23 adjusts the safety height of the seat to a lower position, the side wings 21 are adjusted to be tightened inwards, the left and right slide rails 25 are adjusted to the innermost position, and the waist support 27 is adjusted to a retracted state.
It should be understood that the middle position of the headrest safety position is the middle position of the adjustment range, the low position and the high position are the low position and the high position relative to the middle position respectively, the specific positions are the number, and the adjustment range is determined according to the height of the passenger, similarly, the middle positions of the front and rear slideways, the left and right slideways, the front lifting mechanism, the rear lifting mechanism and other mechanisms are also the middle positions of the adjustment range, and the positions in the front, rear, left, right, upper and lower directions are the positions in the corresponding directions relative to the middle position, and the specific adjustment range is also set according to the physical characteristics of each passenger.
It should be understood that a slide rail along the front-rear direction of the vehicle body and a slide rail along the left-right direction of the vehicle body may be provided below the seats, and the front-rear direction position and the left-right direction position of each seat may be adjusted by the slide rails.
It will be appreciated that the front lift target is adjusted for the angular range of the thighs and the seat safety height is adjusted by the rear lift mechanism.
It should be understood that the default position is where the seat is located outside of the side tracks, and that in the event of a side impact, the seat is adjusted to the inside of the side tracks.
Example 2
The present embodiment provides an occupant classification protection system applied to a seat, as shown in fig. 6, including: an occupant classification module 301 and a collision determination module 302.
The occupant classification module 301 is configured to obtain posture information of a current occupant and classify the current occupant into a corresponding occupant classification according to the posture information, where the posture information includes body type information and/or sitting posture information.
The collision determination module 302 is configured to determine whether to receive a collision warning signal, and if so, adjust the seat to an optimal protection position according to the category of the occupant.
Wherein the collision warning signal can be received on the basis of an ADAS (advanced driving assistance system) of the vehicle device.
As for passengers with different heights and weights, and the direction, the force, and the like of the impact received in the same accident are different, in order to provide the optimal personalized protection position for the passengers with different heights and weights, as shown in fig. 7, the passenger category classification module 301 may specifically include: a height category classification unit 3011, a weight category classification unit 3012, and a body type category classification unit 3013.
The height category dividing unit 3011 is configured to obtain height information of a current passenger and divide the current passenger into corresponding height categories according to the height information;
the weight category dividing unit 3012 is configured to obtain weight information of a current passenger and divide the current passenger into corresponding weight categories according to the weight information;
the body type classification unit 3013 is configured to classify the current passenger into a corresponding body type according to the height type and the weight type of the current passenger.
In order to accurately obtain the height information of the passenger, the height information may be obtained through a manual input method, or may be obtained through an automatic obtaining method, the passenger category classification module 301 may further be configured to determine whether the body type information input by the current passenger is received, if not, automatically obtain the body type information of the current passenger through the sensor, and if so, determine that the received information is the body type information of the current member.
The sensor may be a visual sensor, which may be disposed in front of the seat, on any component in the cabin, and may be disposed behind the backrest of the front seat (e.g., at the edge of the touch screen disposed behind the backrest), for example, for the second row of seats, the sensor for detecting the height of the passenger in the seat may be disposed behind the backrest of the first row of seats, and for the first row of passengers, the visual sensor may be disposed at any position in front of the visual sensor where the height of the passenger can be detected.
In order to accurately obtain the weight information of the passenger, the height information may be completely replaced by weight information, and the visual sensor may be replaced by a pressure sensor, which may be disposed on or in the cushion of each seat, that is, the weight information of the passenger may be obtained by the passenger classification module 301.
In order to identify that the seat can be adjusted to a new optimal protection position of the passenger in time when the passenger is replaced, the passenger classification protection system in this embodiment further includes a continuous pressure monitoring module, a pressure sensor is disposed in a seat cushion of the seat, the passenger classification module 301 is further configured to call the continuous pressure monitoring module, the continuous pressure monitoring module is configured to determine whether the pressure sensor continuously detects pressure, and if not, the passenger classification module 301 is continuously called.
In order to increase the efficiency of obtaining weight or height information and avoid repeatedly obtaining height or weight information of the same user, the pressure continuous monitoring module is further configured to determine whether the pressure sensor detects no pressure within a first preset time range and then detects pressure again, if so, the passenger classification module 301 is called again to obtain the weight information of the passenger, and if not, the pressure detection is not required again, and similarly, the step of determining whether the vision sensor continuously obtains the height information of the passenger may further include determining whether the vision sensor does not obtain the height information of the passenger within a second preset time range and then obtains the height information of the passenger again, if so, the passenger classification module 301 is called again to obtain the height information of the passenger, and if not, the height detection is not required again.
Even if the same passenger has different sitting postures, the impact strength applied to each part of the body of the same passenger is different when a traffic accident occurs, and in order to adjust each passenger in a targeted manner and improve the protection of the passenger when the passenger has different postures, in the present embodiment, as shown in fig. 7, the passenger classification module 301 may further include a sitting posture classification unit 3014 and a passenger classification unit 3015.
The sitting posture type dividing unit 3014 is configured to divide the current passenger into corresponding sitting posture types according to the sitting posture information, where the sitting posture types include a sitting posture and a resting posture;
the occupant classification unit 3015 is configured to classify the current occupant into a corresponding occupant classification according to the sitting posture classification and body type classification of the current occupant.
Specifically, the occupant classification protection system further includes: the pressure difference judging module is used for judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed at the two sides of the backrest is smaller than a first preset pressure value or not, and if so, confirming that the sitting posture type of the passenger is a sitting posture or a resting posture;
and/or the presence of a gas in the gas,
the device comprises a backrest, pressure sensors, a warning message and a warning message, wherein the pressure sensors are symmetrically distributed on two sides of the backrest and used for detecting whether the average pressure difference value detected by the pressure sensors is smaller than a first preset pressure value or not;
and/or the presence of a gas in the gas,
the device is used for judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed at the two sides of the backrest is smaller than a second preset pressure value or not, and if so, confirming that the sitting posture type of the passenger is a sitting posture correcting posture;
and/or the presence of a gas in the gas,
and the pressure sensors are used for judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed at the two sides of the backrest is smaller than a second preset pressure value or not, and if not, the sitting posture type of the passenger is determined to be a rest posture.
Specifically, the backrest of the seat is provided with a plurality of pressure sensors symmetrically distributed along a center line of the backrest, so that current sitting posture information of a passenger can be obtained through the pressure sensors, fig. 4 shows a schematic diagram of the backrest of the seat in this embodiment, 20 denotes the backrest of the seat, the backrest is distributed with a plurality of pressure sensors shown as 201 and 202, the pressure sensors are symmetrically distributed along a central axis 203 of the seat, and the pressure sensors shown as 201 are symmetric to the pressure sensors shown as 202. And when the pressure difference obtained by the pressure sensor 201 and the pressure sensor 202 is smaller than the first preset pressure value, the sitting posture classification unit 3014 confirms that the sitting posture of the occupant is a sitting posture or a resting posture, and when the pressure difference value is not less than the first preset pressure value, the sitting posture classification unit 3014 determines that there is a safety risk in the sitting posture of the passenger, reminds the passenger to change the sitting posture, specifically, the reminding information can be sent by a mode of sending reminding information and a mode of sending reminding signals, such as a mode of shaking the car seat, sending out warning sounds and the like, when the pressure difference is smaller than a second preset pressure difference, the sitting posture classification unit 3014 determines that the sitting posture classification of the passenger is a sitting posture correction posture, and when the pressure difference value is greater than the second preset pressure difference value and less than the first preset pressure difference value, the sitting posture classification unit 3014 determines that the sitting posture classification of the passenger is the resting posture. In order to obtain more accurate sitting posture information, the pressure difference value of the present embodiment may be an average value of the pressure difference values of all the symmetrically distributed pressure sensors.
In order to provide an optimal occupant protection solution, the occupant classification protection system in this embodiment may further include: and the collision judging module is used for detecting the accident type, determining the adjustment type of the seat according to the accident type and the passenger type and adjusting the seat according to the adjustment type if the collision early warning signal is judged to be received, wherein the accident type comprises front collision, rear collision or side collision. Wherein the type of accident may be determined based on the ADAS of the vehicle device.
In order to provide the optimal protection posture of the seat for the passengers with different accident types, different body types and different posture types, the occupant classification protection system in the embodiment further comprises a calculation module for calculating the optimal protection position of each mechanism of the seat under the combination of different accident types and passenger types according to a simulation calculation mode, wherein the mechanism comprises: at least one of a headrest mechanism, a backrest mechanism, a front and rear slide way, a front lifting mechanism, a rear lifting mechanism, a lateral support, a left and right slide way and a lumbar support.
For example, in response to a frontal impact hazard, the driver is at risk of "dive", i.e. the driver is not effectively restrained by the safety belt and the seat, and there is a problem that the driver slips down through the safety belt. The contact area between the front lifting mechanism and the thigh of the driver is increased, the sliding displacement of the driver is reduced, and the restraint effect of the driver by the safety belt is enhanced. The head and the trunk of a driver need to be arranged at the designed positions, so that the buffering effect of the safety air bag and the safety belt can be matched, and the position of the backrest needs to be adjusted to be matched with the best exertion of the effect of the safety air bag.
For example, when the rear impact danger is responded, the neck of a driver is injured, the positions of the headrest and the backrest are adjusted to be close to the head to reduce the deformation of the neck in the accident process, the lateral supporting force and the waist supporting force are too large, the local hardness of the backrest is generally high, the penetration of the driver is reduced, the neck injury risk of the driver in the accident is seriously influenced, and the corresponding expansion of the side wings and the retraction adjustment of the waist support are required to be carried out, so that the hardness of the whole backrest is uniform.
For example, when the lateral support adjustment is used for dealing with the lateral impact danger, the whole driver moves towards the inside of the vehicle through the lateral support adjustment, the pre-acceleration is increased for the driver, and the acceleration difference of the driver and the external impact in the collision is reduced. Meanwhile, the space for the driver to invade objects is improved, and the living space is increased. The lateral supports are tightened inwards, so that the body of a driver can be wrapped, and the pre-acceleration of the driver can be changed for protection.
For better understanding of the present embodiment, the following description will be given by way of a specific example: according to a simulation calculation or simulation calculation mode simulating an actual scene, the height of a passenger is classified to obtain a table 1, the weight of the passenger is classified to obtain a table 2, the body type of the passenger determined according to the height type and the body type of the passenger is obtained to obtain a table 3, the type of the passenger determined according to the posture type and the body type is obtained to obtain a table 4, the optimal adjustment position relation of each mechanism of the seat is adjusted according to the accident type and the passenger type to obtain a table 5, and the specific corresponding relation among the tables is please refer to embodiment 1, which is not repeated herein.
Fig. 5 shows a schematic structural diagram of the seat according to the present embodiment, which includes a headrest 20, side wings 21, a backrest rotating device 22, a rear lifting mechanism 23, a front lifting mechanism 26, left and right slideways 25, front and rear slideways 24, and a waist support 27, wherein a plurality of seats are provided in a cabin, when a certain passenger enters the vehicle and sits on the seat, a prompt box pops up on an electronic display screen arranged behind the front seat to prompt the passenger to input his/her height and weight information, and the passenger can manually input information on a touch screen. Assuming that the height of the occupant is predicted to be 165 and the weight is predicted to be 50 kg by the vision sensor, the height type of the occupant is H2 and the weight type is W1 as can be known from table 1 and table 2, and the body type of the occupant is II as can be known from table 3, and then the sitting posture of the occupant is predicted to be the resting posture type by the pressure sensor provided in the seat back, and therefore, the occupant can be classified as the R2 occupant type according to table 4. When an accident is about to occur, a radar of the vehicle, an environmental vision sensor or a V2X (vehicle-to-outside information exchange) network can provide driving danger early warning information for the ADAS, and a collision early warning signal processed by the ADAS predicts that the vehicle will have side impact according to the ADAS, so that corresponding to the table 5, the headrest 20 needs to be adjusted to a safe position, namely, a middle position, a backrest are adjusted to a position forming an included angle of 30 degrees backwards with a vertical position through the backrest rotating mechanism 22, the seat is adjusted to the middle position through the front and rear slide ways 24, the front lifting mechanism 26 does not need to act, the rear lifting mechanism 23 adjusts the safety height of the seat to a lower position, the side wings 21 are adjusted to be tightened inwards, the left and right slide ways 25 are adjusted to be innermost positions, and the waist support 27 is adjusted to a retracted state.
It should be understood that the middle position of the headrest safety position is the middle position of the adjustment range, the low position and the high position are divided into the low position and the high position which are relative to the middle position, the specific positions are the number, and the adjustment range is determined according to the height of the passenger, similarly, the middle positions of the front and rear slideways, the left and right slideways, the front lifting mechanism, the rear lifting mechanism and other mechanisms are also the middle positions of the adjustment range, and the positions in the front, rear, left, right, up and down directions are the positions in the corresponding directions relative to the middle position, and the specific adjustment amount is also set according to the physical characteristics of each passenger.
It should be understood that a slide rail along the front-rear direction of the vehicle body and a slide rail along the left-right direction of the vehicle body may be provided below the seats, and the front-rear direction position and the left-right direction position of each seat may be adjusted by the slide rails.
It will be appreciated that the front lift target is adjusted for the angular range of the thighs and the seat safety height is adjusted by the rear lift mechanism.
It should be understood that the default position is where the seat is located outside of the side tracks, and that in the event of a side impact, the seat is adjusted to the inside of the side tracks.
Example 3
The present embodiment provides an electronic device, which may be represented in the form of a computing device (for example, may be a server device), and includes a memory, a processor, and a computer program stored in the memory and executable on the processor, where the processor executes the computer program to implement the occupant classification protection method in embodiment 1.
Fig. 8 shows a schematic diagram of a hardware structure of the present embodiment, and as shown in fig. 8, the electronic device 9 specifically includes:
at least one processor 91, at least one memory 92, and a bus 93 for connecting the various system components (including the processor 91 and the memory 92), wherein:
the bus 93 includes a data bus, an address bus, and a control bus.
The processor 91 executes various functional applications and data processing, such as an occupant classification protection method, by running a computer program stored in the memory 92.
The electronic device 9 may further communicate with one or more external devices 94 (e.g., a keyboard, a pointing device, etc.). Such communication may be through an input/output (I/O) interface 95. Also, the electronic device 9 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet) via the network adapter 96. The network adapter 96 communicates with the other modules of the electronic device 9 via the bus 93. It should be understood that although not shown in the figures, other hardware and/or software modules may be used in conjunction with the electronic device 9, including but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID (disk array) systems, tape drives, and data backup storage systems, etc.
It should be noted that although in the above detailed description several units/modules or sub-units/modules of the electronic device are mentioned, such a division is merely exemplary and not mandatory. Indeed, the features and functions of two or more units/modules described above may be embodied in one unit/module according to embodiments of the application. Conversely, the features and functions of one unit/module described above may be further divided into embodiments by a plurality of units/modules.
Example 6
The present embodiment provides a computer-readable storage medium on which a computer program is stored, which when executed by a processor, implements the steps of the occupant classification protection method in embodiment 1.
More specific examples, among others, that the readable storage medium may employ may include, but are not limited to: a portable disk, a hard disk, random access memory, read only memory, erasable programmable read only memory, optical storage device, magnetic storage device, or any suitable combination of the foregoing.
In a possible embodiment, the invention can also be implemented in the form of a program product comprising program code means for causing a terminal device to carry out the steps of implementing the occupant classification protection method of embodiment 1, when said program product is run on said terminal device.
Where program code for carrying out the invention is written in any combination of one or more programming languages, the program code may be executed entirely on the user device, partly on the user device, as a stand-alone software package, partly on the user device and partly on a remote device or entirely on the remote device.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (22)
1. An occupant classification protection method, applied to a seat, comprising:
acquiring the posture information of a current passenger and classifying the current passenger into corresponding passenger categories according to the posture information, wherein the posture information comprises body type information and sitting posture information;
judging whether a collision early warning signal is received or not, if so, adjusting the seat to the optimal protection position according to the passenger category;
the step of acquiring the posture information of the current passenger and classifying the current passenger into the corresponding passenger category according to the posture information comprises the following steps:
dividing the current passenger into corresponding body type types according to the height type and the weight type of the current passenger;
dividing the current passenger into corresponding passenger categories according to the sitting posture category and the body type category of the current passenger;
the backrest of the seat is provided with a plurality of pressure sensors which are symmetrically distributed along the center line of the backrest,
the occupant classification protection method further includes:
judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed at the two sides of the backrest is smaller than a first preset pressure value or not, and if so, confirming that the class of the passenger is a sitting posture or a resting posture;
further judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed on the two sides of the backrest is smaller than a second preset pressure value, if so, confirming that the sitting posture category of the passenger is a sitting posture correction posture;
judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed at the two sides of the backrest is smaller than a second preset pressure value or not, and if not, confirming that the sitting posture category of the passenger is a rest posture;
the second preset pressure value is smaller than the first preset pressure value.
2. The occupant classification protection method according to claim 1,
the step of acquiring the posture information of the current passenger comprises the following steps:
acquiring height information of a current passenger and dividing the current passenger into corresponding height categories according to the height information;
acquiring weight information of a current passenger and dividing the current passenger into corresponding weight categories according to the weight information.
3. The occupant classification protection method according to claim 1, wherein a sensor is provided on the seat, the sensor including a pressure sensor and/or a visual sensor;
the step of acquiring the posture information of the current occupant includes acquiring the posture information of the current occupant according to the sensor.
4. The occupant classification protection method according to claim 3, further comprising:
and judging whether the body type information input by the current passenger is received or not, if not, automatically acquiring the body type information of the current passenger through the sensor, and if so, confirming that the received information is the body type information of the current member.
5. The occupant classification protection method according to claim 1, wherein a pressure sensor is provided in a cushion of the seat, and the step of classifying the current occupant into the corresponding occupant classification further comprises:
and judging whether the pressure sensor continuously detects the pressure, and if not, executing the step of acquiring the body state information of the current passenger again.
6. The occupant classification protection method according to claim 5, wherein the step of determining whether the pressure sensor continuously detects the pressure includes: and judging whether the pressure sensor does not detect the pressure within a preset time range or not and then detecting the pressure again, if so, executing the step of acquiring the posture information of the current passenger again.
7. The occupant classification protection method according to claim 1,
the step of acquiring the sitting posture information of the current passenger comprises the following steps: and dividing the current passenger into corresponding sitting posture categories according to the sitting posture information, wherein the sitting posture categories comprise a sitting posture and a rest posture.
8. The occupant classification protection method according to claim 7,
the occupant classification protection method further includes:
and judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed at the two sides of the backrest is smaller than a first preset pressure value or not, and if not, sending reminding information for reminding passengers to change the sitting posture.
9. The occupant classification protection method according to claim 1, further comprising:
and if the collision early warning signal is received, detecting the accident type, determining the adjustment type of the seat according to the accident type and the passenger type, and adjusting the seat according to the adjustment type, wherein the accident type comprises front collision, rear collision or side collision.
10. The occupant classification protection method according to claim 9, further comprising:
according to the simulation calculation mode, the optimal protection position of each mechanism of the seat under different accident types and passenger types is calculated, and the mechanism comprises: at least one of a headrest mechanism, a backrest mechanism, a front and rear slide way, a front lifting mechanism, a rear lifting mechanism, a lateral support, a left and right slide way and a lumbar support.
11. An occupant classification protection system applied to a seat, comprising: the passenger classification module and the collision judgment module;
the passenger category dividing module is used for acquiring the posture information of the current passenger and dividing the current passenger into corresponding passenger categories according to the posture information, wherein the posture information comprises body type information and sitting posture information;
the collision judging module is used for judging whether a collision early warning signal is received or not, and if so, adjusting the seat to the optimal protection position according to the passenger category;
the passenger classification module comprises a body type classification unit and a passenger classification unit:
the body type classification unit is used for classifying the current passenger into a corresponding body type according to the height type and the weight type of the current passenger;
the passenger category classification unit is used for classifying the current passenger into a corresponding passenger category according to the sitting posture category and the body type category of the current passenger;
the back of the seat is provided with a plurality of pressure sensors which are symmetrically distributed along the midline of the back, and the occupant classification protection system further comprises: a pressure difference judging module for judging the pressure difference,
the pressure sensor is used for judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed at the two sides of the backrest is smaller than a first preset pressure value or not, and if so, the type of the passenger is determined to be a sitting posture or a resting posture;
the pressure sensors are used for further judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed on the two sides of the backrest is smaller than a second preset pressure value or not, and if so, the sitting posture type of the passenger is determined to be a sitting posture correcting posture;
the pressure sensor is used for judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed at the two sides of the backrest is smaller than a second preset pressure value or not, and if not, the sitting posture category of the passenger is determined to be a rest posture; the second preset pressure value is smaller than the first preset pressure value.
12. The occupant classification protection system of claim 11, wherein the occupant classification module includes a height classification unit and a weight classification unit;
the height category dividing unit is used for acquiring height information of the current passenger and dividing the current passenger into corresponding height categories according to the height information;
the weight category dividing unit is used for acquiring weight information of a current passenger and dividing the current passenger into corresponding weight categories according to the weight information.
13. The occupant classification protection system as claimed in claim 11, wherein said seat is provided with sensors, said sensors including pressure sensors and/or visual sensors;
the occupant classification module is used for acquiring the posture information of the current occupant according to the sensor.
14. The occupant classification protection system according to claim 13, wherein the occupant classification module is further configured to determine whether body type information input by a current occupant is received, if not, automatically acquire the body type information of the current occupant through the sensor, and if so, confirm that the received information is the body type information of the current member.
15. The occupant classification protection system according to claim 11, further comprising a continuous pressure monitoring module, wherein a pressure sensor is disposed in a seat cushion of the seat, and wherein the occupant classification module is further configured to invoke the continuous pressure monitoring module;
the pressure continuous monitoring module is used for judging whether the pressure sensor continuously detects pressure or not, and if not, the passenger category classification module is called.
16. The occupant classification protection system according to claim 15, wherein the continuous pressure monitoring module is further configured to determine whether the pressure sensor has not detected pressure within a predetermined time frame and then has detected pressure again, and if so, invoke the occupant classification module.
17. The occupant classification protection system according to claim 11,
the passenger classification module further comprises a sitting posture classification unit;
the sitting posture type dividing unit is used for dividing the current passenger into corresponding sitting posture types according to the sitting posture information, and the sitting posture types comprise a sitting posture and a resting posture.
18. The occupant classification protection system of claim 17,
the pressure difference judging module is used for judging whether the average pressure difference value detected by the pressure sensors symmetrically distributed at the two sides of the backrest is smaller than a first preset pressure value or not, and if not, sending reminding information for reminding passengers to change sitting postures.
19. The occupant classification protection system as claimed in claim 11, further comprising: and the collision judging module is used for detecting the accident type, determining the adjustment type of the seat according to the accident type and the passenger type and adjusting the seat according to the adjustment type if judging that the collision early warning signal is received, wherein the accident type comprises front collision, rear collision or side collision.
20. The occupant classification protection system according to claim 19, further comprising a calculation module for calculating optimal protection positions of mechanisms of the seat under different accident types and occupant types in combination according to a simulation calculation manner, the mechanisms comprising: at least one of a headrest mechanism, a backrest mechanism, a front and rear slide way, a front lifting mechanism, a rear lifting mechanism, a lateral support, a left and right slide way and a lumbar support.
21. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, characterized in that the processor implements the occupant classification protection method according to any one of claims 1 to 10 when executing the computer program.
22. A computer-readable storage medium having stored thereon a computer program, characterized in that,
the computer program, when being executed by a processor, carries out the steps of the occupant classification protection method according to any one of claims 1 to 10.
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| CN113942467B (en) * | 2020-07-15 | 2023-12-12 | 采埃孚汽车科技(上海)有限公司 | Occupant protection method, system and computer readable medium |
| CN112644352B (en) * | 2021-01-20 | 2022-09-20 | 延锋汽车饰件系统有限公司 | Method, device and system for controlling seat armrest, seat, equipment and medium |
| CN112937479A (en) * | 2021-03-31 | 2021-06-11 | 北京市商汤科技开发有限公司 | Vehicle control method and device, electronic device and storage medium |
| CN113183835A (en) * | 2021-05-31 | 2021-07-30 | 广汽本田汽车有限公司 | Sitting posture control method and device, seat and computer readable storage medium |
| CN113696845A (en) * | 2021-08-19 | 2021-11-26 | 东风汽车集团股份有限公司 | Occupant protection method |
| CN115431845B (en) * | 2021-09-28 | 2024-04-16 | 北京罗克维尔斯科技有限公司 | Seat linkage control method, seat linkage control device, computing equipment and computer storage medium |
| CN113978327B (en) * | 2021-11-08 | 2022-09-06 | 东风柳州汽车有限公司 | Safety seat rotating method, device, equipment and storage medium |
| CN114537323A (en) * | 2022-03-04 | 2022-05-27 | 浙江吉利控股集团有限公司 | Safety belt and safety belt wearing identification method and device thereof |
| CN114851921B (en) * | 2022-05-11 | 2023-09-12 | 广州小鹏汽车科技有限公司 | Riding space adjusting method and device, electronic equipment and storage medium |
| CN114954152B (en) * | 2022-05-26 | 2023-05-12 | 东风柳州汽车有限公司 | Occupant safety protection method, device, equipment and storage medium |
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