CN107972671A - A kind of driving behavior analysis system - Google Patents

A kind of driving behavior analysis system Download PDF

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Publication number
CN107972671A
CN107972671A CN201710588402.1A CN201710588402A CN107972671A CN 107972671 A CN107972671 A CN 107972671A CN 201710588402 A CN201710588402 A CN 201710588402A CN 107972671 A CN107972671 A CN 107972671A
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China
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module
driver
driving
vehicle
driving behavior
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CN201710588402.1A
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Chinese (zh)
Inventor
白瑞斌
张昱昶
董海波
陈建军
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University of Nottingham Ningbo China
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University of Nottingham Ningbo China
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Priority to CN201710588402.1A priority Critical patent/CN107972671A/en
Publication of CN107972671A publication Critical patent/CN107972671A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
    • B60W40/04—Traffic conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/02—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to ambient conditions
    • B60W40/06—Road conditions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
    • B60W40/09—Driving style or behaviour
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W50/00—Details of control systems for road vehicle drive control not related to the control of a particular sub-unit, e.g. process diagnostic or vehicle driver interfaces
    • B60W50/08—Interaction between the driver and the control system
    • B60W50/14—Means for informing the driver, warning the driver or prompting a driver intervention
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
    • B60W40/00—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models
    • B60W40/08—Estimation or calculation of non-directly measurable driving parameters for road vehicle drive control systems not related to the control of a particular sub unit, e.g. by using mathematical models related to drivers or passengers
    • B60W2040/0818—Inactivity or incapacity of driver
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
    • Y02T10/84—Data processing systems or methods, management, administration

Abstract

The invention discloses a kind of driving behavior analysis system, module, data record and analysis module, judgment module, alarm module and evaluation module are measured including driving information acquisition module, vehicle-periphery acquisition module, driver's fatigue degree, the driving information acquisition module, vehicle-periphery acquisition module and driver's fatigue degree measure module and are all connected with data record and analysis module, the other end connection judgment module of data record and analysis module, the other end of the judgment module connect alarm module and evaluation module respectively.The present invention is by analyzing driving data and weighing the driving behavior of driver, and then complete the evaluation of the driving behavior to driver, it can be analyzed based on driving behavior of the driving environment to driver, correct guide is done to driver, avoid misleading, improve the driving behavior of driver at the same time, and then reduce vehicle oil consumption.

Description

A kind of driving behavior analysis system
Technical field
The present invention relates to technical field of vehicle safety, is specifically a kind of driving behavior analysis system.
Background technology
With the raising developed rapidly with living standards of the people of China's economy, in the ownership of motor vehicle and newly-increased highway The growth rate of number of passes is constantly accelerated.At the same time, road traffic accident, especially pernicious traffic accident, which is presented, constantly to be risen How gesture, reduce traffic accident incidence as one of huge difficult problem of current transportation industry, and causes national governments Pay much attention to.In vehicle operation, during especially driving over a long distance, driver is since physical condition is bad or long-time Drive, easily produce fatigue, thinking ability declines, slow in reacting；On the other hand, when pilot's line of vision is not when on road surface, car Also can run-off-road, easily get into an accident.Research shows：The quality of driving behavior exists direct with traffic accident incidence Causality.Found examining the record of driving of 1447 2 years that the driver of fatal traffic accident occur, compared with not sending out The driver of raw major traffic accidents, violation record of these drivers in 2 years are significantly higher than average level.Therefore, study The driving behavior of automobile driver, the violation driving behavior for detecting and preventing its appearance have weight to reducing traffic accident Want meaning.
In addition, influence of the driving behavior of driver for oil consumption is also very high.In terms of reducing vehicle oil consumption, drive The person of sailing usually is rule of thumb to grope and form oneself distinctive driving habit, and driving habit would become hard to afterwards once being formed into Row changes, meanwhile, whether driver also lacks corresponding standard reasonable to judge the driving behavior of oneself, thus existing way is difficult To reduce vehicle oil consumption from the driving behavior for changing driver.
The content of the invention
It is an object of the invention to provide a kind of driving behavior analysis system esy to use, safe and reliable, with solution State the problem of being proposed in background technology.
To achieve the above object, the present invention provides following technical solution：
A kind of driving behavior analysis system, including driving information acquisition module, vehicle-periphery acquisition module, driver fatigue Level determinations module, data record and analysis module, judgment module, alarm module and evaluation module, the driving information collection Module, vehicle-periphery acquisition module and driver's fatigue degree measure module and are all connected with data record and analysis module, number According to record and the other end connection judgment module of analysis module, the other end of the judgment module connects alarm module and comments respectively Valency module, the driving information acquisition module are used for the driving condition information of collection vehicle, and vehicle-periphery acquisition module is used In the ambient conditions of collection vehicle, driver's fatigue degree measures the current fatigue data that module is used to obtain driver, number It is used to receive the driving information acquisition module, vehicle-periphery acquisition module and driver fatigue according to record and analysis module The information of level determinations module transmission, according to the tired of the driving condition information of vehicle, the ambient conditions of vehicle and driver Driving behavior of the labor degree to driver is analyzed；Safe driving behavior asset pricing is preset with the judgment module, to sentence Whether the disconnected driving behavior scoring matches the safe driving behavior asset pricing, and forms judging result output；The alarm Module is to be mismatched when the judging result scores for the driving behavior under the safe driving behavior asset pricing state, sends report Alert signal；Evaluation module be used for the driving habit of the driver for analyzing data record and analysis module with it is default good Driving habit is contrasted, and obtains the bad steering custom of driver.
As the further scheme of the present invention：The driving information of the driving information acquisition module collection turns including steering wheel The size at angle, the rotating speed of steering wheel, automobile's instant velocity, wheel speed, the dynamics for trampling brake pedal, throttle trample dynamics, engine wink When rotating speed, traveling gears.
As the further scheme of the present invention：The vehicle-periphery data of the vehicle-periphery acquisition module collection Including front truck quantity, rear car quantity, front truck and/or rear car with the vertically and horizontally distance from car, track quantity, from the car residing for car Track, track line tracking residing for road, front truck and/or rear car, road edge track, surface evenness, road barrier object location And number.
As the further scheme of the present invention：The vehicle-periphery acquisition module is connected with vehicle-mounted camera and vehicle-mounted Radar.
As the further scheme of the present invention：The driver's fatigue degree, which measures module, includes facial image acquisition list Member, sight offset detection unit and current fatigue data extraction unit, facial image acquisition unit gather the current of driver in real time Face-image, sight offset detection unit extraction driver head's posture, current fatigue data extraction unit ought be above according to Portion's image, head pose extraction fatigue characteristic vector, institute is calculated further according to default fatigue characteristic vector calculation State current fatigue data.
As further scheme of the invention：The current fatigue data is head movement speed, head movement angular speed, In eye movement speed, face orientation, direction of visual lines and frequency of wink, eye closing frequency, depth eye closing frequency any one or It is several.
Compared with prior art, the beneficial effects of the invention are as follows：
Driver and passenger of the present invention can understand the driving condition that driver is presently in real time, score in driving behavior relatively low In the state of, driver is reminded, driver tired driving is avoided or drives in violation of rules and regulations；In addition, the present invention is by analyzing driving data And to weigh the driving behavior of driver, and then the evaluation of the driving behavior to driver is completed, driving environment can be based on Driving behavior to driver is analyzed, and correct guide is done to driver, avoids misleading, while improves the driving row of driver For, and then reduce vehicle oil consumption.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention.
Embodiment
The technical solution of this patent is described in more detail with reference to embodiment.
Referring to Fig. 1, a kind of driving behavior analysis system, including the collection of driving information acquisition module, vehicle-periphery Module, driver's fatigue degree measure module, data record and analysis module, judgment module, alarm module and evaluation module, institute State driving information acquisition module, vehicle-periphery acquisition module and driver's fatigue degree's measure module and be all connected with data record And analysis module, the other end connection judgment module of data record and analysis module, the other end of the judgment module connect respectively Module taking alarm and evaluation module, the driving information acquisition module are used for the driving condition information of collection vehicle, vehicle periphery Environment acquisition module is used for the ambient conditions of collection vehicle, and driver's fatigue degree measures module and is used to obtain driver's Current fatigue data, data record and analysis module are used to receive the driving information acquisition module, vehicle-periphery collection mould Block and driver's fatigue degree measure the information of module transmission, according to the driving condition information of vehicle, the surrounding environment shape of vehicle Driving behavior of the degree of fatigue of condition and driver to driver is analyzed；Safe driving row is preset with the judgment module For threshold value, to judge whether the driving behavior scoring matches the safe driving behavior asset pricing, and a judging result is formed Output；The alarm module is when the judging result mismatches the safe driving behavior asset pricing for driving behavior scoring Under state, alarm signal is sent；The driving that evaluation module is used for the driver for analyzing data record and analysis module is practised It is used to be contrasted with default good driving habit, obtain the bad steering custom of driver.
The driving information of driving information acquisition module collection include the size of steering wheel angle, steering wheel rotating speed, Automobile's instant velocity, wheel speed, the dynamics for trampling brake pedal, throttle trample dynamics, motor instant rotating speed, traveling gears.Drive letter Cease acquisition module and steering wheel angle sensor, automobile electron stabilization control system and engine management system at least within it One is connected, for gathering the size of steering wheel angle, the rotating speed of steering wheel, speed, wheel speed, the dynamics for trampling brake pedal, stepping on The time point of brake-apply, the aperture of gas pedal and the driving condition letter for trampling the vehicles such as the time point of gas pedal Breath.Specifically, driving information acquisition module is gathered the size and Orientation disk of steering wheel angle by steering wheel angle sensor The information such as rotating speed, by automobile electron stabilization control system collection speed, wheel speed, the dynamics for trampling brake pedal, trample braking and step on The information such as the time point of plate, are gathered the aperture of gas pedal by engine management system and are trampled time point of gas pedal etc. Information.Wherein, the rotating speed of steering wheel can characterize the speed for the action for beating steering wheel, trample the dynamics of brake pedal and the system of trampling The time point of dynamic pedal can characterize the timing and magnitude for trampling brake pedal, thus represent driver like bringing to a halt or Slowly reduction of speed, the aperture of gas pedal and tramples time point of gas pedal and can characterize the timing and magnitude for trampling throttle, So as to characterize the speed of vehicle launch speed.
The vehicle-periphery data of vehicle-periphery acquisition module collection include front truck quantity, rear car quantity, The car of front truck and/or rear car residing for vertically and horizontally distance, track quantity, the track from residing for car, front truck and/or the rear car from car Road, track line tracking, road edge track, surface evenness, road barrier object location and number.The vehicle-periphery is adopted Collection module is connected with vehicle-mounted camera and trailer-mounted radar.
The driver's fatigue degree, which measures module, includes facial image acquisition unit, sight offset detection unit and current Fatigue data extraction unit, facial image acquisition unit gather the current face image of driver, sight offset detection unit in real time Driver head's posture is extracted, current fatigue data extraction unit is tired according to the current face image, head pose extraction Labor feature vector, the current fatigue data is calculated further according to default fatigue characteristic vector calculation；The current fatigue It is worth for head movement speed, head movement angular speed, eye movement speed, face orientation, direction of visual lines and frequency of wink, eye closing Any one or a few in frequency, depth eye closing frequency.The current fatigue of driver is obtained by driver fatigue analyzer Value；Data record and analysis module are according to current fatigue data, current driving behavior value, driving behavior of the acceleration magnitude to driver Carry out calculating scoring operation, so as to form driving behavior scoring, safe driving behavior asset pricing is preset with, to judge the driving Whether behavior scoring matches the safe driving behavior asset pricing, and forms judging result output；Alarm unit, in the judgement As a result mismatched for driving behavior scoring under the safe driving behavior asset pricing state, send alarm signal；Driver and Passenger understands the driving condition that driver is presently in real time, in the state of driving behavior scoring is relatively low, reminds driver, keeps away Exempt from driver tired driving or drive in violation of rules and regulations.Remote service end receives and preserves the driving behavior scoring, passes through remote service End preserves each driving behavior scoring record of driver.It is beneficial to driver safety driving.
By change frequency of the calculating vehicle automobile's instant velocity within the unit interval come, determine vehicle acceleration frequency and/or Brake frequency, such as automobile's instant velocity decline then correspond to brake operation, and automobile's instant velocity, which rises, then to be corresponded to accelerate operation；Pass through oil Door tramples change rate of the dynamics in the unit interval, and then determines the acceleration intensity of variation of vehicle, and it is direct that usual throttle tramples dynamics Reflect the oil changes of vehicle, therefore, the change rate of dynamics is trampled by counting throttle can reflect the driving behavior of user Whether it is to save oil consumption as acceleration behavior.In addition, for vehicle traveling gear for, traveling gears be with automobile's instant velocity, Motor instant rotating speed is associated, and under a certain speed, only rational gear can just make the oil consumption of vehicle less, so as to drop Low oil consumption.
Driver and passenger of the present invention can understand the driving condition that driver is presently in real time, score in driving behavior In the state of relatively low, driver is reminded, driver tired driving is avoided or drives in violation of rules and regulations；In addition, the present invention is driven by analyzing Data and to weigh the driving behavior of driver, and then complete the evaluation of the driving behavior to driver, can be based on driving Driving behavior of the environment to driver is analyzed, and correct guide is done to driver, avoids misleading, while improves driving for driver Behavior is sailed, and then reduces vehicle oil consumption.
The better embodiment of this patent is explained in detail above, but this patent is not limited to above-mentioned embodiment party Formula, can also be on the premise of this patent objective not be departed from the knowledge that one skilled in the relevant art possesses Various changes can be made.

Claims (6)

1. a kind of driving behavior analysis system, it is characterised in that including driving information acquisition module, vehicle-periphery collection mould Block, driver's fatigue degree measure module, data record and analysis module, judgment module, alarm module and evaluation module, described Driving information acquisition module, vehicle-periphery acquisition module and driver's fatigue degree measure module be all connected with data record and The other end connection judgment module of analysis module, data record and analysis module, the other end of the judgment module connect respectively Alarm module and evaluation module, the driving information acquisition module are used for the driving condition information of collection vehicle, vehicle periphery ring Border acquisition module is used for the ambient conditions of collection vehicle, and driver's fatigue degree measures module and is used to obtain working as driver Preceding fatigue data, data record and analysis module are used to receive the driving information acquisition module, vehicle-periphery acquisition module The information of module transmission is measured with driver's fatigue degree, according to the driving condition information of vehicle, the ambient conditions of vehicle Analyzed with the driving behavior of the degree of fatigue of driver to driver；Safe driving behavior is preset with the judgment module Threshold value, to judge whether the driving behavior scoring matches the safe driving behavior asset pricing, and it is defeated to form a judging result Go out；The alarm module is when the judging result mismatches the safe driving behavior asset pricing shape for driving behavior scoring Under state, alarm signal is sent；Evaluation module is used for the driving habit for the driver for analyzing data record and analysis module Contrasted with default good driving habit, obtain the bad steering custom of driver.
2. driving behavior analysis system according to claim 1, it is characterised in that the driving information acquisition module collection Driving information include the size of steering wheel angle, the rotating speed of steering wheel, automobile's instant velocity, wheel speed, the dynamics for trampling brake pedal, Throttle tramples dynamics, motor instant rotating speed, traveling gears.
3. driving behavior analysis system according to claim 1, it is characterised in that the vehicle-periphery acquisition module The vehicle-periphery data of collection include front truck quantity, rear car quantity, front truck and/or rear car with from car vertically and horizontally distance, Track, track line tracking, road edge track, road surface residing for track quantity, the track from residing for car, front truck and/or rear car Flatness, road barrier object location and number.
4. driving behavior analysis system according to claim 1, it is characterised in that the vehicle-periphery acquisition module It is connected with vehicle-mounted camera and trailer-mounted radar.
5. driving behavior analysis system according to claim 1, it is characterised in that the driver's fatigue degree measures mould Block includes facial image acquisition unit, sight offset detection unit and current fatigue data extraction unit, facial image acquisition unit The current face image of collection driver in real time, sight offset detection unit extraction driver head's posture, current fatigue data carry Unit is taken according to the current face image, head pose extraction fatigue characteristic vector, further according to default fatigue characteristic Vector calculation calculates the current fatigue data.
6. driving behavior analysis system according to claim 1, it is characterised in that the current fatigue data is head movement Speed, head movement angular speed, eye movement speed, face orientation, direction of visual lines and frequency of wink, eye closing frequency, depth are closed Eye frequency in any one or a few.
CN201710588402.1A 2017-07-19 2017-07-19 A kind of driving behavior analysis system Pending CN107972671A (en)

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CN108734962A (en) * 2018-05-30 2018-11-02 深圳大图科创技术开发有限公司 A kind of intelligent traffic information management system
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CN108876165A (en) * 2018-06-27 2018-11-23 上海天方夜谭网络科技有限公司 A kind of driver safety monitoring learning system
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CN112550298A (en) * 2019-09-26 2021-03-26 上海汽车集团股份有限公司 Driving behavior evaluation method, device and storage medium
CN112800854A (en) * 2021-01-04 2021-05-14 中南大学 Automatic analysis system for locomotive crew operation based on image
CN112967497A (en) * 2021-02-01 2021-06-15 吉林大学 Shared automobile supervision system and supervision method
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CN113454692A (en) * 2019-02-19 2021-09-28 Sk电信有限公司 Driving information providing method, vehicle map providing server and method
CN114194218A (en) * 2022-01-29 2022-03-18 中国第一汽车股份有限公司 Optimization method, device, server, vehicle and medium for automatic driving system
CN114274967A (en) * 2021-12-30 2022-04-05 上海商汤临港智能科技有限公司 Intelligent driving vehicle management method and device, computer equipment and storage medium
CN114526930A (en) * 2022-03-09 2022-05-24 河南职业技术学院 Intelligent network connection automobile fault detection method and system
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