CN113696798A - Driving seat automatic adjusting system and method based on 3D modeling technology - Google Patents
Driving seat automatic adjusting system and method based on 3D modeling technology Download PDFInfo
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- CN113696798A CN113696798A CN202111039563.8A CN202111039563A CN113696798A CN 113696798 A CN113696798 A CN 113696798A CN 202111039563 A CN202111039563 A CN 202111039563A CN 113696798 A CN113696798 A CN 113696798A
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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
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- G—PHYSICS
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- G06F30/20—Design optimisation, verification or simulation
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T17/00—Three dimensional [3D] modelling, e.g. data description of 3D objects
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- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/02—Reliability analysis or reliability optimisation; Failure analysis, e.g. worst case scenario performance, failure mode and effects analysis [FMEA]
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- G06T2200/04—Indexing scheme for image data processing or generation, in general involving 3D image data
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Abstract
The invention discloses a driving seat automatic adjusting system and method based on a 3D modeling technology, which comprises the following steps: the system comprises an external laser radar module, an automatic driving system module, a central processing and calculating unit module and a seat control module. According to the invention, the periphery of the vehicle body is scanned through the laser radar module outside the vehicle, the automatic driving system module is started when the situation that pedestrians move around the vehicle body is obtained, the laser radar module outside the vehicle sends surrounding environment data to the automatic driving system module, a 3D model is established through the automatic driving system module, so that the stature data of a driver is obtained, the laser radar module outside the vehicle is continuously monitored, when the pedestrians enter a driving position, the central processing and calculating unit module obtains the 3D data of the human body, the central processing and calculating unit module calculates the most reasonable driving position by combining the positions of all controllers in the vehicle, and the seat control module automatically adjusts the seat according to the calculated parameters.
Description
Technical Field
The invention relates to the field of automatic adjustment of a driving seat, in particular to an automatic adjustment system and method of a driving seat based on a 3D modeling technology.
Background
With the wide application of the intelligent concept in the automobile field, people have higher and higher requirements on automatic and intelligent operation provided on a vehicle machine, and the existing automatic adjusting systems for the driving seat are roughly divided into two types.
The first method is that a driver firstly adjusts various parameters (seat height, front-back distance and seat back angle) of the seat manually, then creates a personal account of the driver, and after the driver enters the automobile next time and logs in the created account, the on-board computer controller automatically adjusts the seat to the last set parameters. The first adjustment needs the driver to adjust the seat manually, except that the step is loaded down with trivial details, intelligent inadequately, if the driver experience is not enough, probably the seat position of adjusting is reasonable inadequately, influences driving safety.
The second method is that the height and the body shape information of a driver are roughly estimated by means of a camera and a part of sensors in the automobile and mathematical model operation, and the parameters of the seat are actively adjusted after the driver enters the automobile. However, the space in the vehicle is limited, and the sensors such as the camera are limited by the angle and distance, so that errors exist in information acquisition, and finally the calculated height and body shape information of the driver has errors to a certain extent, so that the seat parameters actively adjusted by the vehicle machine are not completely suitable for the driver, and the adjustment is not accurate enough.
Disclosure of Invention
The invention aims to provide a driving seat automatic adjusting system based on a 3D modeling technology, which scans the whole body of a driver through an external laser radar, establishes a 3D model, acquires the body data (height, proportion of upper and lower bodies and arm length) of the driver, and calculates the most reasonable driving position (the distance between an accelerator, a brake and the edge of a seat, the distance between a steering wheel and a seat back and the distance between a cushion and the roof) by combining the positions of all controllers in a vehicle, thereby intelligently and accurately automatically adjusting the driving seat.
The technical scheme of the invention is as follows:
a driving seat automatic regulating system based on 3D modeling technology comprises: the system comprises an external laser radar, an automatic driving system, a central processing and calculating unit and a seat control module;
the laser radar module outside the vehicle can detect the movement of pedestrians around the vehicle body, collect the surrounding environment and send information to the automatic driving system module;
the automatic driving system module receives the information of the laser radar outside the vehicle, completes 3D modeling and sends the information to the central processing and calculating unit module;
the central processing and calculating unit can acquire human body data in 3D modeling, calculate parameters for adjusting the seat and send information to the seat control module;
the seat control module can control the adjustment of the seat when receiving the information of the central processing and calculating unit.
Further, the laser radar outside the vehicle is not less than two, is distributed in different positions around the vehicle body, and can scan the 360-degree direction outside the vehicle.
Further, the laser radar outside the vehicle can detect the movement of the pedestrian within a range of five meters of the vehicle body.
Further, the human body data includes at least one of height, upper and lower body proportion, and arm length.
A driving seat automatic adjustment method based on a 3D modeling technology comprises the following steps:
firstly, a system judges that a vehicle is in a flameout state, and when a driving position of the vehicle is unmanned, a laser radar outside the vehicle is started to monitor the environment beside the vehicle;
secondly, when the laser radar module outside the vehicle monitors that pedestrians move in five meters around the vehicle body, collecting surrounding environment, triggering the automatic driving system module, and completing 3D modeling by the automatic driving system module;
thirdly, when the laser radar module outside the vehicle monitors that the pedestrian is continuously located within five meters of the vehicle body and the pedestrian enters the driving position, the central processing unit pulls the human body 3D data in the 3D model of the automatic driving system;
fourthly, calculating and adjusting seat parameters by the central processing and calculating unit according to the input 3D model data and preset vehicle body information;
and fifthly, the seat control module adjusts the seat according to the calculated parameters.
The invention has the beneficial effects that:
1. the tedious steps that the traditional automatic adjusting system needs manual adjustment of passengers are avoided.
2. The precision of laser radar reaches millimeter level, has solved the problem that utilizes sensor information collection in the car to have the error.
3. The scanning modeling is started before a driver enters the vehicle, and the overall calculation efficiency of the automatic adjusting system is improved.
Drawings
Fig. 1 is a flow chart of a driving seat automatic adjustment method of a 3D modeling technology.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that in the description of the present invention, the terms "in", "upper", "lower", "lateral", "inner", etc. indicate directions or positional relationships based on those shown in the drawings, which are merely for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
A driving seat automatic regulating system based on 3D modeling technology comprises: the system comprises an external laser radar, an automatic driving system, a central processing and calculating unit and a seat control module;
the laser radar module outside the vehicle can detect the movement of pedestrians around the vehicle body, collect the surrounding environment and send information to the automatic driving system module;
the automatic driving system module receives the information of the laser radar outside the vehicle, completes 3D modeling and sends the information to the central processing and calculating unit module;
the central processing and calculating unit can acquire human body data in 3D modeling, calculate parameters for adjusting the seat and send information to the seat control module;
the seat control module can control the adjustment of the seat when receiving the information of the central processing and calculating unit.
Further, the laser radar outside the vehicle is not less than two, is distributed in different positions around the vehicle body, and can scan the 360-degree direction outside the vehicle.
Further, the laser radar outside the vehicle can detect the movement of the pedestrian within a range of five meters of the vehicle body.
Further, the human body data includes at least one of height, upper and lower body proportion, and arm length.
A driving seat automatic adjustment method based on a 3D modeling technology comprises the following steps:
firstly, a system judges that a vehicle is in a flameout state, and when a driving position of the vehicle is unmanned, a laser radar outside the vehicle is started to monitor the environment beside the vehicle;
secondly, when the laser radar module outside the vehicle monitors that pedestrians move in five meters around the vehicle body, collecting surrounding environment, triggering the automatic driving system module, and completing 3D modeling by the automatic driving system module;
thirdly, when the laser radar module outside the vehicle monitors that the pedestrian is continuously located within five meters of the vehicle body and the pedestrian enters the driving position, the central processing unit pulls the human body 3D data in the 3D model of the automatic driving system;
fourthly, calculating and adjusting seat parameters by the central processing and calculating unit according to the input 3D model data and preset vehicle body information;
and fifthly, the seat control module adjusts the seat according to the calculated parameters.
Examples
When the automobile is in a flameout state and the driver seat is unmanned, when the laser radar outside the automobile detects that the pedestrian moves within the range of 5 meters of the automobile body, the automatic driving system is started. Scanning the whole body of the driver by the laser radar outside the vehicle, and establishing a 3D model through an automatic driving system so as to obtain the body data (height, upper and lower body proportion, arm length) of the driver
The outer laser radar of car keeps on monitoring pedestrian's removal orbit, opens the driver's seat door when the pedestrian touching, then deems this pedestrian as the navigating mate, obtains the human body data in the above-mentioned 3D model by central processing computational unit.
When a driver sits at a driving position and starts the vehicle, the central processing and calculating unit calculates the most reasonable driving position (the distance between an accelerator and a brake and the edge of the seat, the distance between a steering wheel and a seat back and the distance between a cushion and the roof) according to the acquired human body 3D model data and vehicle body data and the positions of all controllers in the vehicle, so that the most reasonable driving position is transmitted to the seat control module to intelligently and accurately automatically adjust the driving seat.
According to the invention, the automatic adjustment of the driving seat is realized by collecting body data of a driver and calculating the seat adjustment parameter by combining the actual information of the vehicle body, so that the driving seat is more intelligent and convenient. 3D model data acquisition is gone on through outer laser radar of car, and data acquisition accuracy can be guaranteed to the collection angle, and laser radar's precision is higher in addition, can further improve data accuracy, and the regulatory parameter of assurance calculation is reasonable.
The method is based on a mature automatic driving 3D modeling technology, can be directly reused no matter radar arrangement outside a vehicle or a 3D model calculation algorithm, and the system can directly acquire the data of the 3D model of the human body inside the system without extra investment and energy cost.
The above descriptions are only examples of the present invention, and common general knowledge of known specific structures, characteristics, and the like in the schemes is not described herein too much, and it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the invention, several changes and modifications can be made, which should also be regarded as the protection scope of the invention, and these will not affect the effect of the invention and the practicality of the patent.
Claims (5)
1. A system for automatically adjusting a driving seat based on a 3D modeling technology is characterized by comprising: the system comprises an external laser radar module, an automatic driving system module, a central processing and calculating unit module and a seat control module;
the laser radar module outside the vehicle can detect the movement of pedestrians around the vehicle body, collect the surrounding environment and send information to the automatic driving system module;
the automatic driving system module receives the information of the laser radar outside the vehicle, completes 3D modeling and sends the information to the central processing and calculating unit module;
the central processing and computing unit module can acquire human body data in 3D modeling, can compute parameters for adjusting the seat and sends information to the seat control module;
and the seat control module controls the seat to automatically adjust when receiving the information of the central processing and computing unit module.
2. The automatic adjustment system of driver's seat based on 3D modeling technology of claim 1, characterized in that, the outer lidar module of car includes no less than two outer lidar of car, outer lidar of car distributes in the different positions around the automobile body, can scan 360 outside the car orientation.
3. The 3D modeling technology based driver seat automatic adjustment system of claim 2, wherein the off-board lidar is capable of detecting pedestrian movement within a range of five meters of a vehicle body.
4. The system of claim 3, wherein the body data includes at least one of height, upper and lower body proportion, arm length.
5. A driving seat automatic adjustment method based on a 3D modeling technology is characterized by comprising the following steps:
firstly, judging that a vehicle is in a flameout state by a driving seat automatic adjusting system, and starting a laser radar module outside the vehicle to monitor the vehicle side environment when a driving position of the vehicle is unmanned;
secondly, when the laser radar module outside the vehicle monitors that pedestrians move in five meters around the vehicle body, collecting surrounding environment, triggering the automatic driving system module, and completing 3D modeling by the automatic driving system module;
thirdly, when the laser radar module outside the vehicle monitors that the pedestrian is continuously located within five meters of the vehicle body and the pedestrian enters the driving position, the central processing unit pulls the human body 3D data in the 3D model of the automatic driving system;
fourthly, calculating and adjusting seat parameters by the central processing and calculating unit according to the input 3D model data and preset vehicle body information;
and fifthly, the seat control module adjusts the seat according to the calculated parameters.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111039563.8A CN113696798A (en) | 2021-09-06 | 2021-09-06 | Driving seat automatic adjusting system and method based on 3D modeling technology |
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| CN202111039563.8A CN113696798A (en) | 2021-09-06 | 2021-09-06 | Driving seat automatic adjusting system and method based on 3D modeling technology |
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2021
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160368509A1 (en) * | 2015-06-17 | 2016-12-22 | Ford Global Technologies, Llc | Method for adjusting a position of a component of a vehicle |
| US9881503B1 (en) * | 2016-09-08 | 2018-01-30 | GM Global Technology Operations LLC | Vehicle-to-pedestrian-communication systems and methods for using the same |
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