CN104149736A - Method for preventing drunk driving - Google Patents
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Abstract
The invention discloses a method for preventing drunk driving. The method includes starting a gait detection module when a driver moves towards an automobile by a preset distance, and detecting the gait of the driver; prohibiting an automobile door from being opened under the remote control of an automobile key if gait detection results do not conform to preset conditions; performing alcohol detection on the driver by the aid of an alcohol detection module; prohibiting the automobile door from being opened if detected alcohol concentration is higher than a preset concentration value, and reminding of driver replacement; allowing the automobile door to be opened if the detected alcohol concentration is not higher than the preset concentration value. Compared with the prior art, the method in an embodiment of the invention has the advantages that the detection efficiency and the traffic safety can be improved.
Description
Technical field
The present invention relates to safety traffic field, relate in particular to a kind of method that prevents drunk driving.
Background technology
Along with expanding economy and social progress, automobile has become a kind of commonplace mode of transportation, the increasing of automobile quantity, and traffic accident problem is also following, and safe driving is the problem that people must pay close attention to constantly.Accident investigation by the World Health Organigation shows, at present, approximately the traffic accident of 50%-60% is relevant with drunken driving, and drunken driving has been listed in the major cause that traffic accident is lethal, stops the safety that drinking drive behavior is related to entire society.
Present stage, in order to prevent chaufeur drunken driving, conventionally by traffic management system full-time staff, chaufeur is manually carried out to alcohol detection, the efficiency of manual detection is lower, and, scope of examination is inadequate, cannot check comprehensively, like this, make some chaufeur report idea of leaving things to chance, escape and check, bring larger potential safety hazard.Therefore, in prior art, still there is no a kind of method that prevents safely and effectively drunk driving.
Summary of the invention
The embodiment of the present invention provides a kind of method that prevents drunk driving, in order to solve the problem that drunk driving detection efficiency is lower, safety is inadequate existing in prior art.
The embodiment of the present invention provides a kind of method that prevents drunk driving, is applied to mobile terminal or car key, comprising:
When chaufeur is walked close to automobile arrival predeterminable range, start gait detection module, chaufeur is carried out to gait detection;
If it is pre-conditioned that gait testing result does not meet, forbid car key remote control opening car door;
By alcohol detection module, described chaufeur is carried out to alcohol detection;
If the alcohol concentration detecting, higher than preset concentration value, is forbidden car door opening, prompting changing chaufeur;
If the alcohol concentration detecting, not higher than described preset concentration value, allows car door opening.
Beneficial effect of the present invention comprises:
The method that the embodiment of the present invention provides, because the gait of chaufeur before drinking and after drinking can present different features, first chaufeur is carried out to gait detection, pre-conditioned if gait testing result does not meet, forbid car key remote control opening car door, then further, chaufeur is carried out to alcohol detection, detect concrete alcohol concentration, determine whether to surpass preset concentration value, if surpass preset concentration value, take to prohibit the measure of driving, chaufeur is changed in prompting.Like this, only in chaufeur gait, occur when abnormal, just can detect, in the normal situation of gait, direct remote control opening car door, without carrying out alcohol detection, that is to say, chaufeur, without all carry out alcohol detection before each driving, for chaufeur provides convenience, has improved detection efficiency; On the other hand, the inferior-quality situation of alcohol detection is taked to prohibit and drive measure, like this, when improving detection efficiency, also improved the safety of traffic.
Further, described predeterminable range is not less than the remote control distance of car key and gait detects apart from sum.
Like this, can avoid chaufeur is to escape the situation that alcohol detection is used remote control opening car door.
Further, described gait detection module carries out gait detection to chaufeur, specifically comprises:
Described gait detection module detects in gait that distance is interior gathers angular velocity data and the acceleration information in described chaufeur walking process by gyroscope and accelerometer;
According to described angular velocity data and described acceleration information, determine the gait index of described chaufeur, using described gait index as gait testing result.
Like this, the angular velocity data collecting and acceleration information are converted into gait index, to contrast with gait index under normal circumstances.
Further, pre-conditioned if gait testing result does not meet, forbid car key remote control opening car door, specifically comprise:
The normal gait index of described gait testing result and the storage of described gait detection module is compared;
If described gait testing result departs from described normal gait index and surpasses predetermined threshold value, forbid car key remote control opening car door.
Like this, gait testing result is not met to pre-conditioned situation, need to carry out follow-up alcohol detection further determines whether can safe driving.
Further, described gait index comprises step-length, cadence, walking period.
Further, before startup gait detection module carries out gait detection to chaufeur, described method also comprises:
By locating module, the position at chaufeur place is positioned, when the position that navigates to chaufeur place is in hotel, when restaurant or public place of entertainment, chaufeur is reminded, and forbidden car key remote control opening car door.
Due to some chaufeur drink after gait change not obvious, only adopting gait to detect likely gets by under false pretences, escaped alcohol detection, by the position at chaufeur place, location, can make said method reduce undetected situation, improve the accuracy rate detecting, avoided drunken driving, further improved traffic safety.
Further, before startup gait detection module carries out gait detection to chaufeur, described method also comprises:
By speech detection module, surrounding environment is carried out to speech detection, when the number of times of sensitive word being detected over preset times, chaufeur is reminded, and forbidden car key remote control opening car door, wherein, described sensitive word is pre-stored in described speech detection module.
Due to some chaufeur drink after gait change not obvious, only adopting gait to detect likely gets by under false pretences, escaped alcohol detection, by the speech detection to surrounding environment, can make said method reduce undetected situation, improve the accuracy rate detecting, avoided drunken driving, further improved traffic safety.
Further, when alcohol detection module is carried out alcohol detection to described chaufeur, described method also comprises:
By the first image capture module, gather the first facial image of described chaufeur, and by described first facial image uploading to face recognition module.
Further, at car door opening, after chaufeur starts automobile, described method also comprises:
When Das Gaspedal is operated for the first time after first facial image acquisition, by the second image capture module in car, gathers the second face-image of current driver's, and described the second face-image is uploaded to face recognition module;
Face recognition module contrasts described the second face-image and described first facial image, identifies described first facial image and whether described the second face-image represents same chaufeur;
If described first facial image and described the second face-image represent not to be same chaufeur, prompting current driver's is stopped and current driver's is carried out to alcohol detection.
Like this, whether what alcohol detection and current driving were carried out in confirmation is same chaufeur, avoids others to replace chaufeur to carry out the situation that alcohol detection is got by under false pretences, and prevents drunken driving, improves traffic safety.
Further, described method also comprises:
When the inconsistent number of times of chaufeur being detected over preset times, by wireless communication module, send the logical management platform of rule-breaking vehicle information best friend.
Like this, after transport administration platform is received rule-breaking vehicle information, can to the unlawful practice of drunken driving, prevent in time, and can take corresponding punitive measures, avoid model after chaufeur.
In a word, the method that the embodiment of the present invention provides, before chaufeur is driven, pass through Through Several Survey Measure, can play good preventive effect to drunk driving, and unlike in prior art after drunk driving occurs, then take measures on customs clearance, adopt method provided by the present invention, can improve to a great extent traffic safety.
The application's further feature and advantage will be set forth in the following description, and, partly from specification sheets, become apparent, or understand by implementing the application.The application's object and other advantages can be realized and be obtained by specifically noted structure in the specification sheets write, claims and accompanying drawing.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for specification sheets, is used from explanation the present invention with the embodiment of the present invention one, is not construed as limiting the invention.In the accompanying drawings:
The method flow diagram that prevents drunk driving that Fig. 1 provides for the embodiment of the present invention one;
The method flow diagram that prevents drunk driving that Fig. 2 provides for the embodiment of the present invention two;
The apparatus structure schematic diagram that prevents drunk driving that Fig. 3 provides for the embodiment of the present invention three.
The specific embodiment
In order to provide the implementation that improves drunk driving detection efficiency and traffic safety, the embodiment of the present invention provides a kind of method that prevents drunk driving, below in conjunction with Figure of description, the preferred embodiments of the present invention are described, be to be understood that, preferred embodiment described herein only, for description and interpretation the present invention, is not intended to limit the present invention.And in the situation that not conflicting, embodiment and the feature in embodiment in the application can combine mutually.
Below in conjunction with accompanying drawing, with specific embodiment, method provided by the invention is described in detail.
Embodiment mono-
The embodiment of the present invention provides a kind of method that prevents drunk driving, and step as shown in Figure 1, comprising:
Step 101, when chaufeur is walked close to automobile and is arrived predeterminable range, start gait detection module, chaufeur is carried out to gait detection.
If it is pre-conditioned that step 102 gait testing result does not meet, forbid car key remote control opening car door.
Step 103, by alcohol detection module, described chaufeur is carried out to alcohol detection.
Wherein, when the alcohol concentration detecting is during higher than preset concentration value, execution step 104, when the alcohol concentration detecting is not during higher than described preset concentration value, execution step 105.
Step 104, the alcohol concentration that detects, higher than preset concentration value, are forbidden car door opening, prompting changing chaufeur.
Step 105, the alcohol concentration that detects, not higher than described preset concentration value, allow car door opening.
Said method can be applied to mobile terminal, also car key can be applied to, due to general built-in multiple sensors in existing mobile terminal, by corresponding software is installed, the functions such as distance detection, gait detection, alcohol detection can be realized, use conveniently, save cost; If be applied to car key, corresponding module can be integrated in car key, also can be connected with car key, and detecting device of peripheral hardware, connects by external device, uses comparatively trouble, is not easy to apply.Certainly, described mobile terminal or car key must be carried.
Because the gait of chaufeur before drinking and after drinking can present different features, first chaufeur is carried out to gait detection, if it is pre-conditioned that gait testing result does not meet, forbid car key remote control opening car door, then further, chaufeur is carried out to alcohol detection, detect concrete alcohol concentration, determine whether to surpass preset concentration value, if surpass preset concentration value, take to prohibit the measure of driving, chaufeur is changed in prompting.Like this, only in chaufeur gait, occur when abnormal, just can detect, in the normal situation of gait, direct remote control opening car door, without carrying out alcohol detection, that is to say, chaufeur, without all carry out alcohol detection before each driving, for chaufeur provides convenience, has improved detection efficiency; On the other hand, the inferior-quality situation of alcohol detection is taked to prohibit and drive measure, like this, when improving detection efficiency, also improved the safety of traffic.
Embodiment bis-
The situation when method that two pairs of the present embodiment are above-mentioned prevents drunk driving is applied to mobile terminal is described in detail, and diagram of circuit as shown in Figure 2, comprising:
Step 201, mobile terminal position the position at chaufeur place by locating module, when the position that navigates to chaufeur place is in hotel, when restaurant or public place of entertainment, chaufeur is reminded, and forbidden car key remote control opening car door.
Step 202, by speech detection module, surrounding environment is carried out to speech detection, when the number of times of sensitive word being detected over preset times, chaufeur is reminded, and forbidden car key remote control opening car door, wherein, described sensitive word is pre-stored in described speech detection module.
In above-mentioned steps 201 and step 202, chaufeur is reminded, can adopt voice reminder, remind chaufeur to drink not drive, drive not drink etc., the consciousness of reminding in advance chaufeur not driving a car under the influence of alcohol, and above-mentioned two steps can not limit sequencing, object is the situation of avoiding undetected, improves the accuracy rate detecting.In step 202, pre-stored sensitive word in speech detection module, such as: " wine ", " drinking ", " cheers " etc., at this, do not do concrete restriction.
Step 203, when chaufeur is walked close to automobile and is arrived predeterminable range, start gait detection module, chaufeur is carried out to gait detection.
Wherein, this predeterminable range is not less than the remote control distance of car key and gait detects apart from sum.Like this, can avoid chaufeur is to escape the situation that alcohol detection is used car key remote control opening car door.
Concrete, the gait detection module in mobile terminal, integrated gyroscope and accelerometer, gather angular velocity data and the acceleration information in chaufeur walking process by gyroscope and accelerometer;
Angular velocity data comprises: x axis angular rate, y axis angular rate, z axis angular rate;
Acceleration information comprises: x axle acceleration, y axle acceleration, z axle acceleration;
Wherein, the working direction of walking is y axle, and side is z axle, and vertical direction is x axle.
Angular velocity data and acceleration information all present certain regularity on each axle, the data regularity of some axle is stronger, the data regularity of some axle a little less than, by determining that crest can obtain corresponding step number, then the time and the gained step number that according to gait, detect, can further obtain cadence; The distance and the gained step number that according to gait, detect, also can obtain step-length; By cadence, can obtain walking period, this walking period is a whole cycle, further, can also divide as follows.
A walking period can be divided into stands mutually and swings phase, and standing is the time period contacting with ground when pin mutually, and contrary swing in the time of pin built on stilts and proal time period are for swinging phase.Stand mutually and swing mutually can be preliminary dividing gait cycles, adopt gyroscope and accelerometer can capture the complete procedure of motion, further walking period is divided into completely stand, heeloff, swing phase, heel hits ground.Walking period after segmentation can more easily show the feature of gait.
Concrete, the method that gait detects can adopt the correlation technique of prior art, at this, be not described in detail, gait by this step detects, and according to described angular velocity data and described acceleration information, obtains the gait indexs such as step-length, cadence, walking period, using these gait indexs as gait testing result, certainly, gait index can also, by other indexs, be not limited to above several.
Step 204, the normal gait index of described gait testing result and described gait detection module storage is compared.
Wherein, normal gait index is pre-stored in gait detection module, and normal gait index is the index of correlation gathering while steadily advancing under normal circumstances, as the standard of evaluating abnormal gait.
If the described gait testing result of step 205 departs from described normal gait index and surpasses predetermined threshold value, forbid car key remote control opening car door.
In above-mentioned detection and localization, speech detection, gait detect, arbitrary step is ineligible, forbids car key remote control opening car door, makes method of inspection more rigorous, avoids undetected situation to occur.
Step 206, in car key remote control, open in forbidden situation, need to carry out alcohol detection.The alcohol detection module that starts mobile terminal is carried out alcohol detection to chaufeur.
Wherein, when the alcohol concentration detecting is during higher than preset concentration value, execution step 207, when the alcohol concentration detecting is not during higher than described preset concentration value, execution step 208.
And in alcohol detection, the first image capture module starts to gather the first facial image of chaufeur, and by first facial image uploading to face recognition module.
Step 207, the alcohol concentration that detects, higher than preset concentration value, are forbidden car door opening, prompting changing chaufeur.
Step 208, the alcohol concentration that detects, not higher than described preset concentration value, allow car door opening.
Wherein, in step 207 and step 208, the control of car door is all completed by mobile terminal, whether mobile terminal is controlled car door by the further remote control of result of alcohol detection and is opened.
Step 209, at car door opening, after chaufeur starts automobile, while being operated first after Das Gaspedal is gathering first facial image, by the second image capture module in car, gather the second face-image of current driver's, and described the second face-image is uploaded to the face recognition module on mobile terminal.
The second image capture module can be arranged on the place ahead of driver's seat, over against the position of chaufeur.
Step 210, face recognition module contrast described the second face-image and described first facial image, identify described first facial image and whether described the second face-image represents same chaufeur.
If so, execution step 211, otherwise, execution step 212.
Like this, whether what alcohol detection and current driving were carried out in confirmation is same chaufeur, avoids others to replace chaufeur to carry out the situation that alcohol detection is got by under false pretences, and prevents drunken driving, improves traffic safety.
Step 211, current driver's are consistent with the chaufeur that carries out alcohol detection, can continue to travel.
Step 212, current driver's and to carry out the chaufeur of alcohol detection inconsistent, prompting current driver's is stopped, and need to carry out alcohol detection to current driver's.
Further, when chaufeur is stepped on the throttle pedal at every turn, all can carry out facial image acquisition, the face-image of collection contrasts when carrying out alcohol detection, carries out recognition of face.
Step 213, when the inconsistent number of times of chaufeur being detected and surpass preset times, the wireless communication module by mobile terminal sends the logical management platform of rule-breaking vehicle information best friend.
After transport administration platform is received rule-breaking vehicle information, can to the unlawful practice of drunken driving, prevent in time, and can take corresponding punitive measures, avoid model after chaufeur.
Further, now, wireless communication module also can send information to default number, and preset number is household or friend's number, and household can advise current driver's after receiving information, avoids the generation of accident.
Embodiment tri-
Based on same inventive concept, the method that prevents drunk driving providing according to the above embodiment of the present invention, correspondingly, another embodiment of the present invention also provides a kind of device that prevents drunk driving, is applied to mobile terminal, and structural representation as shown in Figure 3, specifically comprises:
Locating module 301, for the position at chaufeur place is positioned, when the position that navigates to chaufeur place is in hotel, when restaurant or public place of entertainment, chaufeur is reminded, and trigger control module is forbidden car key remote control opening car door.
Speech detection module 302, for surrounding environment is carried out to speech detection, when the number of times of sensitive word being detected over preset times, chaufeur is reminded, and trigger control module is forbidden car key remote control opening car door.Wherein, described sensitive word is pre-stored in described speech detection module
Gait detection module 303, while arriving predeterminable range for walk close to automobile when chaufeur, carries out gait detection to chaufeur; If it is pre-conditioned that gait testing result does not meet, trigger control module is forbidden car key remote control opening car door.
Alcohol detection module 304, forbids after car key remote control opening car door in control module 305, controls 304 unlatchings of alcohol detection module chaufeur is carried out to alcohol detection.
Control module 305, for controlling the remote control of car key to car door, and the alcohol concentration detecting in alcohol detection module is when eligible, controls the unlatching of car door.
The first image capture module 306, in alcohol detection, for gathering the first facial image of chaufeur, and is sent to face recognition module by this first facial image.
Face recognition module 307, the second face-image sending for receiving the second image capture module, and the second face-image and first facial image are contrasted, identifies described first facial image and whether described the second face-image represents same chaufeur.
Wireless communication module 308, when detecting the inconsistent number of times of chaufeur over preset times, for rule-breaking vehicle information is sent to transport administration platform.
The function of above-mentioned each unit can, corresponding to the respective handling step in flow process shown in Fig. 1 to Fig. 2, not repeat them here.
Embodiment tetra-
The situation that the method that tri-couples of embodiment bis-and embodiment be above-mentioned prevents drunk driving is applied to mobile terminal specifically describes, and the situation that the present embodiment four is applied to car key to the above-mentioned method that prevents drunk driving is again carried out brief description.
In the present embodiment four, similar with the situation that is applied to mobile terminal, car key needs integrated corresponding module, locating module, speech detection module, gait detection module, for the convenience of using, and detect accurately, alcohol detection module and the first image capture module can be arranged on car door.
After locating module in car key, speech detection module and gait detection module have carried out corresponding detection respectively, if car key is prohibited remote control opening car door, so when chaufeur is gone to car door place, alcohol detection module and the first image capture module that car key can be controlled on car door are opened, when chaufeur complete alcohol detection and eligible after, just can open car door.
Further, face recognition module, the second image capture module, wireless communication module can be arranged in car, and the function of each concrete module can, corresponding to corresponding step in Fig. 1 to Fig. 2, not repeat them here.Wireless communication module can adopt 2G, 3G, 4G and wifi communication, is not specifically limited herein.
In sum, the scheme that the embodiment of the present invention provides, when chaufeur is walked close to automobile arrival predeterminable range, starts gait detection module, and chaufeur is carried out to gait detection; If it is pre-conditioned that gait testing result does not meet, forbid car key remote control opening car door; By alcohol detection module, described chaufeur is carried out to alcohol detection; If the alcohol concentration detecting, higher than preset concentration value, is forbidden car door opening, prompting changing chaufeur; If the alcohol concentration detecting, not higher than described preset concentration value, allows car door opening.The method that adopts the embodiment of the present invention to provide, compared with prior art, has improved detection efficiency, and, improved traffic safety.
The device that prevents drunk driving that the application's embodiment provides can be realized by computer program.Those skilled in the art should be understood that; above-mentioned Module Division mode is only a kind of in numerous Module Division modes; if be divided into other modules or do not divide module, as long as prevent that the device of drunk driving has above-mentioned functions, all should be within the application's protection domain.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (10)
1. a method that prevents drunk driving, is characterized in that, is applied to mobile terminal or car key, comprising:
When chaufeur is walked close to automobile arrival predeterminable range, start gait detection module, chaufeur is carried out to gait detection;
If it is pre-conditioned that gait testing result does not meet, forbid car key remote control opening car door;
By alcohol detection module, described chaufeur is carried out to alcohol detection;
If the alcohol concentration detecting, higher than preset concentration value, is forbidden car door opening, prompting changing chaufeur;
If the alcohol concentration detecting, not higher than described preset concentration value, allows car door opening.
2. the method for claim 1, is characterized in that,
Remote control distance and gait that described predeterminable range is not less than car key detect apart from sum.
3. the method for claim 1, is characterized in that, described gait detection module carries out gait detection to chaufeur, specifically comprises:
Described gait detection module detects in gait that distance is interior gathers angular velocity data and the acceleration information in described chaufeur walking process by gyroscope and accelerometer;
According to described angular velocity data and described acceleration information, determine the gait index of described chaufeur, using described gait index as gait testing result.
4. method as claimed in claim 3, is characterized in that, pre-conditioned if gait testing result does not meet, and forbids car key remote control opening car door, specifically comprises:
The normal gait index of described gait testing result and the storage of described gait detection module is compared;
If described gait testing result departs from described normal gait index and surpasses predetermined threshold value, forbid car key remote control opening car door.
5. the method as described in claim 3 or 4, is characterized in that, described gait index comprises step-length, cadence, walking period.
6. the method for claim 1, is characterized in that, before startup gait detection module carries out gait detection to chaufeur, described method also comprises:
By locating module, the position at chaufeur place is positioned, when the position that navigates to chaufeur place is in hotel, when restaurant or public place of entertainment, chaufeur is reminded, and forbidden car key remote control opening car door.
7. the method for claim 1, is characterized in that, before startup gait detection module carries out gait detection to chaufeur, described method also comprises:
By speech detection module, surrounding environment is carried out to speech detection, when the number of times of sensitive word being detected over preset times, chaufeur is reminded, and forbidden car key remote control opening car door, wherein, described sensitive word is pre-stored in described speech detection module.
8. the method for claim 1, is characterized in that, when alcohol detection module is carried out alcohol detection to described chaufeur, described method also comprises:
By the first image capture module, gather the first facial image of described chaufeur, and by described first facial image uploading to face recognition module.
9. method as claimed in claim 8, is characterized in that, at car door opening, after chaufeur starts automobile, described method also comprises:
While being operated first after Das Gaspedal is gathering first facial image, by the second image capture module in car, gathering the second face-image of current driver's, and described the second face-image is uploaded to face recognition module;
Face recognition module contrasts described the second face-image and described first facial image, identifies described first facial image and whether described the second face-image represents same chaufeur;
If described first facial image and described the second face-image represent not to be same chaufeur, prompting current driver's is stopped and current driver's is carried out to alcohol detection.
10. method as claimed in claim 9, is characterized in that, described method also comprises:
When the inconsistent number of times of chaufeur being detected over preset times, by wireless communication module, send the logical management platform of rule-breaking vehicle information best friend.
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| CN201410374464.9A CN104149736B (en) | 2014-07-31 | A kind of method preventing drunk driving |
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| CN107618369A (en) * | 2017-09-18 | 2018-01-23 | 太仓秦风广告传媒有限公司 | It is a kind of to limit the security information prompt system driven when intoxicated |
| CN109409323A (en) * | 2018-11-09 | 2019-03-01 | 银河水滴科技（北京）有限公司 | One kind is driven when intoxicated detection method and device |
| CN109598959A (en) * | 2017-09-30 | 2019-04-09 | 比亚迪股份有限公司 | Management method, device and the vehicle of vehicle operator |
| CN110027409A (en) * | 2018-01-11 | 2019-07-19 | 丰田自动车株式会社 | Controller of vehicle, control method for vehicle and computer-readable recording medium |
| CN112043280A (en) * | 2020-09-03 | 2020-12-08 | 南京邮电大学 | Dangerous driving behavior detection method and system based on smart phone gait recognition |
| US11163372B2 (en) | 2020-04-01 | 2021-11-02 | Toyota Motor North America, Inc | Transport gait and gesture interpretation |
| DE102021200103A1 (en) | 2021-01-08 | 2022-07-14 | Volkswagen Aktiengesellschaft | Method of controlling vehicle safety devices |
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