46 results about "Drunk driving" patented technology

The invention discloses a safety system and method for preventing drunk driving of a vehicle, the vehicle and a medium, and relates to the technical field of safe driving. The safety system comprises a vehicle-mounted terminal and a cloud server which are in communication connection, the vehicle-mounted terminal comprises a detection module, a collection module, a processing module and a control module, and the processing module is used for verifying the identity of a driver through face data and voice data continuously collected by the collection module and sending the identity of the driver to the cloud server after verification is passed. The behavior state of a driver is determined according to voltage data continuously output by the comprehensive detection module, if the behavior state is drunk driving, a first control instruction is generated, early warning information is uploaded to the cloud server, and the control module is used for intelligently controlling the vehicle through the first control instruction or a second control instruction. Wherein the second control instruction is obtained by analyzing the early warning information through the cloud server to obtain the vehicle operation data and combining the traffic environment around the vehicle and the vehicle operation data until the vehicle stably stops, and safety is ensured.

The invention relates to the technical field of intelligent traffic, and particularly discloses an intelligent drunk driving prevention and control method based on PU Learning, which comprises the following steps: extracting multi-dimensional features from multi-dimensional data of a private car in a historical time period; training a drunk driving risk assessment model according to the multi-dimensional features; inputting the multi-dimensional features of other vehicles except the drunk-driving investigated vehicle in the private vehicles in the historical time period into the trained drunk-driving risk assessment model to output drunk-driving risk assessment values of the other vehicles, and screening out potential drunk-driving vehicles which are not investigated from all the other vehicles; and the travel habits of the drunk-driving investigated vehicles and the potential drunk-driving vehicles which are not investigated are counted to form an efficient investigation and communication scheme. According to the intelligent drunk driving prevention and control method based on PU Learning provided by the invention, a traffic control department can conveniently and actively find a high-risk vehicle group suspected of drunk driving travel, a road surface investigation and treatment strategy is optimized, and accurate propaganda and active prevention and control of the high-risk vehicle group are realized.

Disclosed is a drunk driving prevention system and a method of controlling the same, the system including a sensor module that measures alcohol content in exhaled breath of a driver during a breath inspection of the driver, and a control module configured to check a drunken state of the driver according to the alcohol content measured by the sensor module to determine whether the breath inspection is completed and to prevent an engine start when the breath inspection is failed, wherein the control module includes an inspection unit that displays breath inspection guide information through a display unit, and the inspection unit displays the breath inspection guide information based on an engine operation input of the driver.

The invention discloses a drunk driving prevention control method and system for a vehicle, the vehicle, equipment and a medium. The drunk driving prevention control method of the vehicle comprises the steps that the concentration of alcohol gas in the vehicle is obtained, and when it is determined that a driver has suspected drunk driving behaviors according to the concentration of the alcohol gas, vehicle power limitation is started; under the condition that vehicle power limitation is started, whether a drunk driving question request of the driver is received or not is judged; if a drunk driving question request of the driver is received, providing specified action guidance or set question guidance for the driver; and according to the completion condition of the designated action or the answer result of the set question by the driver, whether the vehicle power limitation is removed or not is judged. By the adoption of the method and device, drunk driving can be effectively avoided, personal safety is guaranteed, driver complaints caused by vehicle limitation due to drunk driving misjudgment are avoided, and the use experience of the vehicle is improved.

The invention discloses an equipment fault diagnosis method based on big data analysis, and relates to the technical field of drinking or drug taking detection, and the method comprises the following steps: S101, collecting the operation state information, including sensor response information and sensor resistance information, of a skin resistance sensor in a driving state rapid detection system, and after collection, sending the information to a database; and processing sensor response information and sensor resistance information when the skin resistance sensor operates. The running state of the skin resistance sensor in the driving state rapid detection system is monitored, abnormal hidden dangers of the running state of the skin resistance sensor are effectively prevented, and therefore the situation that the accuracy and reliability of the system are affected due to the fact that the skin resistance sensor generates wrong measurement results is effectively prevented; therefore, the system cannot reliably detect drunk driving and toxic driving behaviors, and cannot provide accurate alarms or trigger corresponding safety measures.

The invention discloses a mounting and starting system which is particularly suitable for the field of motor vehicle driver state monitoring and intelligent braking. The system performs living body identity verification through a dynamic face recognition module, and realizes dual concentration detection in combination with a fuel cell type alcohol sensor; the AI behavior analysis module is used for monitoring the trunk posture, the operation behavior and the environment parameters of the driver in real time, and a multi-dimensional state evaluation model is constructed; a dual-redundancy electronic parking system and a graded braking executing mechanism are configured, and closed-loop control from early warning to braking is completed within 0.8 second. The central data processing unit adopts a heterogeneous computing platform and a trusted execution environment to guarantee data operation safety and system reliability. According to the technology, the drunk driving prevention and control capacity is effectively improved by more than three times, the fatigue driving risk is reduced by 67%, the braking response speed is improved by 300% compared with a traditional system, and an intelligent solution is provided for road traffic safety.

The utility model discloses a kind of ship drunk driving linkage monitoring systems, including ship power management system PMS, the ship power management system PMS is used to control the working state of propulsion control system PCS;The monitoring system further includes alcohol detector, alcohol monitoring server;The alcohol detector is used to collect the alcohol parameter of crew, and its output end is connected to alcohol monitoring server;The alcohol monitoring server according to the corresponding control signal value ship power management system PMS of alcohol parameter output controls the working state of propulsion control system PCS of ship.The utility model is characterized in that: through the drunk driving information of crew monitoring and association linkage ship driving control, the safety of ship navigation is improved, the risk of post-operation is reduced, simultaneously intervening alarm information provides basic data for subsequent discipline.

The invention discloses an intelligent detection method and system for drunk driving and fatigue states of a driver, and relates to the technical field of traffic safety detection.The detection method comprises the following steps that S10, the driver sits and ignites to start a vehicle, the alcohol concentration of the driver is collected through an alcohol collection sensor, the obtained alcohol concentration is compared with the threshold alcohol concentration, and the alcohol concentration of the driver is obtained; if the alcohol concentration exceeds the standard, a vehicle ignition circuit is forcibly disconnected; if the detected alcohol concentration does not reach the calibration value, the vehicle is normally ignited and started; s20, acquiring facial features and behavior state pictures of the driver by a camera, performing drinking state recognition and fatigue grade evaluation on the driver based on the facial features and the behavior states, and if the driver is judged to be in fatigue driving, prompting the driver in a voice prompt manner; and the facial features and the head posture of the driver are continuously and repeatedly detected until the driver is judged not to be in the fatigue driving state any more.

The utility model discloses an automatic anti-escape and anti-collision device for drunk driving inspection, which relates to the technical field of road traffic safety law enforcement equipment and comprises a road surface sensing module, a drunk driving inspection module and a drunk driving inspection module, the road surface sensing module comprises a rubber pad arranged in a drunk driving inspection area, and a pressure sensor, a proximity sensor and a mobile signal emitter are fixedly connected in the rubber pad; the vehicle-mounted signal receiving module comprises a signal receiver, is mounted in the vehicle and is connected with the vehicle ECU; the throttle valve executing mechanism comprises an electronic throttle valve body, a throttle valve plate and a driving motor arranged in front of the throttle valve plate are installed in a throttle valve body of the electronic throttle valve body, the output end of the driving motor is provided with a limiting component and a control circuit, and the limiting component is arranged at the axis position of a rotating shaft of the throttle valve plate; according to the technical scheme, the throttle valve plate can be blocked only by controlling the driving motor to drive the limiting component to limit rotation of the throttle valve plate, and therefore behaviors such as sudden acceleration of a vehicle are limited.

The application provides a kind of drunk driving automatic detection method and system based on deep learning model and robot system, constructs detection scene dynamic interaction framework through the scene interaction module of robot system, contains behavior guidance logic, time sequence coordination rule and environment parameter self-adaptive adjustment mechanism, based on the detection scene dynamic interaction framework, start multi-modal acquisition unit to collect respiratory gas data stream and face dynamic feature stream, obtain the data set after interference correction by environmental compensation, input the data set into the pre-trained drunk driving detection deep learning model, generate fusion detection feature vector and verify validity, carry out drunk driving judgment processing to generate comprehensive judgment result.According to the comprehensive judgment result triggers detection scene closed loop processing procedure, realizes encryption record, multi-terminal synchronization and scene reset, and drives robot component collaborative action, realizes intelligent drunk driving automatic detection.

This application relates to the field of vehicle safety technology, and particularly to a method, apparatus, device, vehicle, medium, and product for detecting driving suitability. In this method, an on-board device can acquire multimodal feature data, including biochemical gas feature data, driver feature data, and vehicle state feature data. A driving suitability detection result is determined based on the multimodal feature data. Based on the vehicle state feature data and the driving suitability detection result, a first operation is performed, wherein the first operation includes at least one of a safety warning operation, a vehicle intervention operation, and a rescue response operation. Thus, the method provided in this application can detect complex dangerous states such as drunk driving and fatigued driving based on multimodal feature data, thereby ensuring the accuracy and reliability of driver suitability detection.

The invention discloses a motor vehicle starting method, device and equipment and a readable storage medium, and relates to the technical field of motor vehicle starting control. Comprising the following steps: if a user fingerprint is detected, performing fingerprint authentication on the user fingerprint; if the fingerprint authentication is passed, sending out a blowing detection prompt, and carrying out alcohol detection on the user based on blowing of the user; and if the alcohol detection is passed, starting the motor vehicle. Fingerprint authentication and blowing type alcohol detection are sequentially introduced in the starting process of the motor vehicle, the vehicle is allowed to be started only under the condition that the alcohol detection is passed, and therefore the situation that unauthorized personnel or drunk personnel directly start the vehicle through a key or a button is effectively avoided. Active safety control over the starting link of the motor vehicle is achieved, the possibility of drunk driving is reduced, and then the safety of road driving is improved.

The embodiment of the invention provides a non-stop drunk driving detection system and method, relates to the technical field of spectroscopy and gas sensing, and can realize non-stop drunk driving detection. The non-stop drunk driving detection system comprises a laser emitting unit arranged on one side of a road, a signal receiving and processing unit arranged on the other side of the road, and a light transmission unit, wherein the light transmission unit comprises a first light assembly arranged on one side of the road and a second light assembly arranged on the other side of the road; the laser emitting unit comprises a signal generator, a laser driver and a laser; and the signal receiving and processing unit comprises a photoelectric detector, a lock-in amplifier and a gas concentration calculation unit.

This application belongs to the field of data analysis and relates to a method for identifying drunk driving risks. The method includes obtaining drunk driving characteristic data and corresponding drunk driving voice data from drunk driving cases; obtaining basic feature parameters based on the drunk driving characteristic data; obtaining voice feature parameters based on the drunk driving voice data; constructing a feature parameter set by combining the basic feature parameters and the voice feature parameters, and using the feature parameter set as model parameters to build an initial drunk driving risk identification model; training the initial drunk driving risk identification model to obtain a target drunk driving risk identification model; inputting the target drunk driving characteristics into the target drunk driving risk identification model, and outputting a risk prediction result. This application also provides a drunk driving risk identification device, computer equipment, and storage medium. Furthermore, this application relates to blockchain technology, and the feature parameter set can be stored in the blockchain. This application can improve the efficiency and accuracy of drunk driving risk identification.

The application discloses a kind of automobile drunk driving detection system and automobile, including control module and several alcohol sensors.The present application can be installed on the car as the component of car, can be detected by alcohol sensor to the driver position and / or passenger position in the space of car, when detecting the abnormal position space-time distribution meets the preset alarm trigger condition, reasonably judge the situation that driver exists drunk driving, can generate alarm information, so that further through the alarm information trigger advises driver to stop driving car, lock automobile power system or record operation, since automobile drunk driving detection system can work in the initial stage when driver has not driven car or in driving car, therefore more easily cover to the scene that traffic management department's road inspection difficulty completely covers, to reduce or prevent drunk driving behavior, guarantee traffic safety.The present application is widely used in the field of automobile technology.

The utility model discloses a vehicle-mounted alcohol detection system based on Internet of Things, which belongs to the technical field of intelligent traffic safety monitoring and Internet of Things, and comprises a data acquisition module, an alcohol monitoring module, a cloud end and a safety alarm module, the data acquisition unit obtains motion data of a vehicle in the running process and the concentration, temperature and humidity of alcohol exhaled by a driver through a sensor, and transmits the data to the alcohol monitoring module; the alcohol monitoring module analyzes the received data through an ESP32C3F main control chip, detects the concentration of alcohol exhaled by a driver, and judges the acceleration and deceleration of a vehicle in a motion state; the cloud end is used for receiving, analyzing and displaying the detection data transmitted by the alcohol monitoring module; and the safety alarm module performs audible and visual alarm according to a monitoring result, and notifies a vehicle owner and an emergency contact person through the cloud in case of danger, so that potential safety hazards caused by drunk driving are effectively prevented.

The invention discloses a drunk driving intelligent detection robot which comprises a vehicle body and a movable storage mechanism installed on the vehicle body, a movable box body is installed on the movable storage mechanism, an intercepting mechanism, an automatic mouthpiece replacing mechanism and a movable detection mechanism are arranged in the movable box body, and the intercepting mechanism is used for intercepting a to-be-detected vehicle; the automatic mouthpiece replacing mechanism is used for replacing mouthpieces and comprises a grabbing and correcting mechanism and a replacing mechanism. And the mobile detection mechanism is used for adjusting the position of the drunk driving detector. The movable storage mechanism can store the movable box body on a car roof or put down the movable box body, convenient and rapid work is achieved, the intercepting mechanism can achieve rapid telescopic intercepting, energy consumption and machine loads are reduced, the automatic mouthpiece replacing mechanism can achieve automatic grabbing of a mouthpiece of a new drunk driving detector, and the drunk driving detector is convenient to use. And recycling an old mouthpiece and installing a new mouthpiece. According to the invention, intelligence of drunk driving detection is realized, and the detection efficiency is greatly improved.

The present application relates to the technical field of vehicle safety control, and discloses a kind of anti-drunk driving vehicle control system based on multi-sensor fusion, using independent power supply, including data acquisition module, phase compensation module, logic appraisal module, closed-loop verification module and security degradation module, state trigger unit wakes up system through the jump of seat signal, and ignition relay is disconnected before over-check to physically lock the heating system, data acquisition module obtains multi-dimensional features and derivative, and phase compensation module generates dynamic phase window in combination with different power supply stages fan duty cycle.The logic appraisal module identifies non-biological cheating through timing comparison, and monitors seat signal jump to identify the behavior of changing people, the system built-in inspection logic, prevent and control passive absorption and parking asphyxia risk, closed-loop verification module excludes interference through external circulation purging and concentration decay rate, and security degradation module executes hierarchical intervention according to wheel speed.The present application solves the problem of cheating and interference, and improves detection accuracy and safety.

The application discloses a vehicle control method, device, equipment and medium, comprising: detecting whether a user has a driving intention for a target vehicle; when it is detected that the user has the driving intention for the target vehicle, generating a facial action prompt signal, the facial action prompt signal comprising a target facial action that needs to be performed by the user; collecting a facial image set of the user; determining an actual matching degree between an actual facial action of the user and the target facial action according to the facial image set; and determining whether the target vehicle responds to the driving operation of the user according to the actual matching degree and a preset matching degree. The application can determine whether the user has the possibility of drunk driving based on the response image of the user to the facial action prompt signal, and then determine whether the target vehicle responds to the driving operation of the user according to the possibility of drunk driving, thereby restraining the behavior of drunk driving of the driver, reducing the occurrence probability of the behavior of drunk driving, and improving the driving safety.

The utility model discloses an alcohol expiration detection device which is characterized in that a positioning ring is arranged at the air inlet end of an alcohol detector, a threaded groove is formed in one end of a mounting pipe, the other end of the mounting pipe is inserted into an air inlet nozzle, a moving groove is formed in the inner side face of a transparent pipe, a first bearing is arranged on the side face of a mounting plate, and a rotating rod is arranged in the first bearing; the surface of the rotating rod is sleeved with a fixing sleeve, a shifting piece is arranged on the surface of the fixing sleeve, and a fluorescent strip is arranged on the surface of the shifting piece. The device has the beneficial effects that the shifting piece is arranged in the transparent pipe, and the fluorescent strip is arranged on the end face of the shifting piece, so that when a driver blows air towards the air inlet nozzle, the shifting piece can be matched with the first bearing and the rotating rod to rotate, an inspector can conveniently observe whether the driver blows air carefully, and the inspection efficiency is improved. Then, whether a driver has drunk driving or not can be observed through the alcohol detector, and whether the shifting piece rotates or not can be observed through the luminous fluorescent strip on the surface of the shifting piece when drunk driving is detected late night.

The utility model provides a safe driving system based on driver alcohol detection. The safe driving system comprises a control unit, an alcohol sensor module, an audible and visual alarm module, an infrared human body detection module, a data transmission module and a power supply module, the alcohol sensor module and the infrared human body detection module are connected with the control unit; the control unit is respectively connected with the audible and visual alarm module and the data transmission module; the control unit is used for collecting data collected by the alcohol sensor module and the infrared human body detection module, controlling the audible and visual alarm module and simultaneously performing data mutual transmission with the data transmission module; the power supply module provides stable electric energy for the control unit, the alcohol sensor module, the audible and visual alarm module, the infrared human body detection module and the data transmission module. According to the utility model, the uncivilized behavior of drunk driving is solved, the social public safety is improved, and the formation of the civilized society is facilitated.

The present invention addresses the problem of preventing drunk driving. A vehicle control device is provided with: a terahertz wave transmitter disposed on the side of an occupant seated on a driver's seat in a cabin of a vehicle; a terahertz wave receiver disposed on the other side of the occupant in the vehicle interior; and a determination means for determining whether or not the occupant drinks on the basis of the detection result of the receiver.

This invention discloses an AI-powered BeiDou vehicle-road-cloud system and method for source control of vehicle violations, relating to the fields of traffic safety and vehicle-road-cloud integration technology. Currently, most traffic violations are handled post-incidentally, resulting in shortcomings such as insufficient source control (e.g., drunk driving, unlicensed driving, fatigued driving, inadequate screening of hazardous and prohibited items), data gaps across departments, and delayed early warnings. The nation's vigorous promotion of the strategies of a safe China, a strong transportation nation, national security governance, and vehicle-road-cloud integration urgently requires proactive and preemptive safety control technologies. This invention relies on AI large-scale models and BeiDou high-precision positioning, with hardware integrated and deployed in key areas of the vehicle. It enables driver facial recognition verification, identity verification, intelligent alcohol control, fatigue driving intervention, in-vehicle status perception, detection of drugs, dangerous goods, and explosives, multilingual sensitive word monitoring, biometric comparison of rear-seat occupants, and multi-dimensional risk assessment. Combined with vehicle-road-cloud collaborative interaction and black box full-process evidence storage, it connects with the public security system, enabling silent and unobtrusive reporting of abnormal risks and tiered, humane handling. It blocks traffic violations and public safety hazards at the source, deeply aligning with national security governance strategic needs, balancing road traffic management and national security prevention and control requirements, and is suitable for large-scale deployment and application of various commercial and social vehicles.

According to the drunk driving investigation point intelligent site selection method provided by the invention, the drunk driving vehicle is found through the investigated record of the drunk driving vehicle, and the current data sequence of drunk driving travel of the drunk driving vehicle is positioned through the historical vehicle passing gate data of the investigated day of the drunk driving vehicle; further finding out a checkpoint adjacent to a drunk driving trip departure point of the investigated drunk driving vehicle; clustering is carried out through adjacent checkpoints of starting points of current drunk driving data sequences of a plurality of drunk driving vehicles, a clustering center of a clustering result represents the position of a drunk driving trip large probability approach of the drunk driving vehicles in the same area, the position is set as a drunk driving investigation point position of the area, and the investigation effect of the drunk driving investigation point position can be effectively improved; according to the method, calculation is carried out on the basis of the historical vehicle passing gate data of the vehicle found out based on drunk driving, the drunk driving investigation point location is found out, the selection process of the drunk driving investigation point location is separated from personal experience, objective data acquisition is followed, and it is ensured that the result is more objective.

The invention discloses a method and system for preventing drunk driving in an urban key area, and relates to the field of urban traffic safety prevention and control, and the method comprises the following steps: obtaining entrance and exit video monitoring equipment information of the key area based on a designated urban drunk driving key area, so as to monitor the time when a vehicle enters and exits the key area, calculating the stay duration of the vehicle in the key area; image acquisition and behavior characteristic analysis are carried out on pedestrians in the key area to identify suspected drinkers, and early warning information is sent to corresponding vehicle owners according to the stay duration and the suspected drinker information; and performing non-contact alcohol detection on the driver of the driving-out vehicle at the parking lot exit of the key area, and executing corresponding intervention measures according to the detection result. And the pre-recognition, intelligent early warning and active intervention of the drunk driving behavior are realized.

The invention provides a non-stop drunk driving detection system and method fusing a laser absorption spectrum and a laser Raman spectrum. Comprising a dual-mode laser emitting unit, a light transmission unit and a signal receiving and processing unit. In the transmitting unit, a signal generator generates a superposition modulation signal of sawtooth waves and sine waves to drive a first laser to output modulation laser for absorption spectrum analysis; the second laser outputs laser for exciting Raman scattering; and the mode switching controller supports synchronous work of an absorption mode, a Raman mode or dual modes. The optical transmission unit emits the laser light to a vehicle cabin and collects a return optical signal. The receiving and processing unit demodulates an absorption signal through a lock-in amplifier to obtain a harmonic wave, analyzes a Raman scattering signal through a spectrograph to obtain a characteristic peak, and further calculates the alcohol concentration, so that rapid and reliable non-contact detection is realized.

The embodiment of the invention discloses a drunk driving detection method and device, electronic equipment and a storage medium. The method comprises the steps that breathing alcohol data, biological characteristic data and driving behavior data of a driver are acquired; performing space-time alignment processing on the breathing alcohol data, the biological characteristic data and the driving behavior data; and inputting the breath alcohol data, the biological characteristic data and the driving behavior data after the space-time alignment processing into a drunk driving detection model, and performing drunk driving detection on the breath alcohol data, the biological characteristic data and the driving behavior data after the space-time alignment processing through the drunk driving detection model to obtain a first drunk driving detection result. According to the embodiment of the invention, the problem that the breath alcohol data is influenced by environmental conditions can be solved through the multi-modal data, and the accuracy of a detection result is improved.

The utility model discloses a vehicle-mounted charger for alcohol detection. The vehicle-mounted charger comprises a charging plug, a charger body, a hinge seat, a telescopic charging unit and a telescopic alcohol detection unit, one end of the charging plug is fixedly provided with a hinge seat, the other end of the charger body is hinged to the hinge seat, the charger body is internally provided with an installation cavity, and the telescopic charging unit and the telescopic alcohol detection unit are fixedly installed in the installation cavity. The charger body is also provided with wire outlets which are arranged with the telescopic charging unit and the telescopic alcohol detection unit. The air blowing end of the telescopic alcohol detection unit is extracted from the wire outlet end, and air is blown to the air blowing end, so that air enters the telescopic alcohol detection unit for alcohol detection, alcohol detection in a vehicle is conveniently and quickly realized, and unintentional drunk driving is avoided; and a charging wire is extracted from the telescopic charging unit, so that the mobile phone can be conveniently charged.

A vehicle system for preventing drunk driving, comprising a test frame (1), wherein a brake pedal set (2) and an accelerator pedal set (3) are attached to the front of the test frame (1), with brake and accelerator electromagnetic coils (4) and (5) respectively being installed on the respective brake pedal set (2) and accelerator pedal set (3). An alarm indicator lamp module (6) and an alcohol test module (7) are attached to the left and right sides of the described test frame (1), respectively. The device power supply (8), a voltage sink module (9), an open-source main control board (10), a first relay (11), and a second relay (12) are also installed on the rear of the test frame (1). The first relay (11) and the second relay (12) are electrically connected to the brake EMF coil connector (4) and the accelerator EMF coil connector (5), respectively.The alarm indicator (6), the alcohol measurement module (7), the device power supply (8), the voltage reduction module (9), the first relay (11) and the second relay (12) are all electrically connected to the open-source main control board (10).

This invention discloses a method and vehicle for preventing drunk driving, belonging to the field of vehicle technology. The method includes: a gas detection module sending the detected current alcohol concentration around the driver's seat to a controller. The controller, in response to the current alcohol concentration being higher than a preset alcohol concentration, generates an image acquisition command and sends it to an image acquisition device. The image acquisition device, in response to receiving the image acquisition command, acquires the facial features of the person in the driver's seat according to the command and sends the facial features to the controller. The controller, in response to the facial features meeting a first preset condition, activates a warning control module, wherein the first preset condition indicates that the person is intoxicated. After the warning control module is activated, the vehicle is kept in a parked state. The technical solution provided by this application can restrain drivers' drunk driving behavior and avoid dangerous consequences caused by drunk driving.