CN107379967A - A kind of Drunken driving measure and control device based on multi-sensor information fusion - Google Patents

A kind of Drunken driving measure and control device based on multi-sensor information fusion Download PDF

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Publication number
CN107379967A
CN107379967A CN201710573713.0A CN201710573713A CN107379967A CN 107379967 A CN107379967 A CN 107379967A CN 201710573713 A CN201710573713 A CN 201710573713A CN 107379967 A CN107379967 A CN 107379967A
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China
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module
mrow
msub
sensor
alarm
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CN201710573713.0A
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Chinese (zh)
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杜景林
陶晔
宋稳柱
李波
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Nanjing University of Information Science and Technology
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Nanjing University of Information Science and Technology
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Priority to CN201710573713.0A priority Critical patent/CN107379967A/en
Publication of CN107379967A publication Critical patent/CN107379967A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
    • B60K28/02—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver
    • B60K28/06—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver
    • B60K28/066—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver actuating a signalling device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K28/00—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions
    • B60K28/02—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver
    • B60K28/06—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver
    • B60K28/063—Safety devices for propulsion-unit control, specially adapted for, or arranged in, vehicles, e.g. preventing fuel supply or ignition in the event of potentially dangerous conditions responsive to conditions relating to the driver responsive to incapacity of driver preventing starting of vehicles

Abstract

The invention discloses a kind of Drunken driving measure and control device based on multi-sensor information fusion, including signal detection module, multiple Signal-regulated kinases, message processing module, language alarm display control module, external interface module, automobile power supply system, voltage conversion circuit, outer memory module, serial port module, usb interface module；Signal detection module, multiple Signal-regulated kinases, message processing module are sequentially connected；Signal detection module includes air-sensitive alcohol sensor, acceleration transducer, steering angle sensor；Message processing module includes the A/D modules being connected with Signal-regulated kinase output end and the single-chip microcomputer being connected with A/D module output ends.The present invention makes full use of multiple sensors, and multiple different types of information are detected simultaneously, can be effectively improved influence of the single sensor to final measurement；Using the respond after drinking and alcohol concentration of people simultaneously as basis for estimation, the accuracy and real-time of detection are improved.

Description

A kind of Drunken driving measure and control device based on multi-sensor information fusion
Technical field
The present invention relates to sensing detection technical field, more particularly to a kind of Drunken driving based on multi-sensor information fusion Measure and control device.
Background technology
It is an important factor for road traffic accident frequently occurs to drive when intoxicated, and has a strong impact on public transport safety.The world is each State takes legal measures to drunk driving problem, and drunk driving is prevented by strict law enforcement, but ineffective.Drunk driving makes a very bad impression, OK It is scattered, carries out looking into serious waste police strength resource at traffic by hand-held expiration alcohol detection means, or even in traffic administration Process often cause danger sexual behavior therefore.Therefore new recognition methods is sought, research is a to accurately identify the automobile driven when intoxicated Drunk driving TT＆C system controls drunk driving to be highly desirable, this to ensure traffic safety, promote automotive electronic technology to Preceding development also has profound significance.
Vehicle-mounted expiration alcohol measuring technology is the main flow device of the pre- drunk-driving prevention of current every country, but traditional vehicle-mounted alcohol Detection means is designed based on single-sensor mostly, and survey precision is not high, and focus concentrates on whether accurately measure alcohol concentration, deposits In certain leak, in the case of no supervision, drunk driver is correct so as to ensure to obtain using the cheating detection of its weakness Alcohol concentration value, cause equipment can not accurate judgement whether drink, and let alone continue drunk driving behavior.Different people's alcohol tolerances Ability be it is different, it is also different to the sensitivity of alcohol, have that blood alcohol concentration is very low often but an Individual Consciousness mould The situation of paste, therefore singly judge whether to drive from alcohol concentration and certain risk be present.
The content of the invention
In view of the drawbacks described above of prior art, the technical problems to be solved by the invention are to provide a kind of based on more sensings The Drunken driving measure and control device of device information fusion, to solve the deficiencies in the prior art.
To achieve the above object, the invention provides
A kind of Drunken driving measure and control device based on multi-sensor information fusion of the present invention, including signal detection module, Multiple Signal-regulated kinases, message processing module, language alarm display control module, external interface module, automobile power supply system, Voltage conversion circuit, outer memory module, serial port module, usb interface module；The signal detection module, multiple signal conditions Module, message processing module are sequentially connected, described information processing module and language alarm display control module, external interface mould Block, voltage conversion circuit, outer memory module, serial port module, usb interface module electrical connection；Signal detection module includes air-sensitive Alcohol sensor, acceleration transducer, steering angle sensor；Message processing module includes being connected with Signal-regulated kinase output end The A/D modules connect and the single-chip microcomputer being connected with A/D module output ends；Message processing module passes through single-chip microcomputer, A/D modules, letter Number conditioning module is merged and calculated to the information detected.
Above-mentioned fusion and computational methods are as follows：
(1) air-sensitive alcohol sensor, acceleration transducer, steering angle sensor are measured based on same period, obtained Go out measurement data；
(2) measurement data of each sensor is transformed into evidence space from observation space first, to each proposition or every Information report one evidence of distribution given by individual sensor, i.e., distribute a Basic Probability As-signment to each information；
(3) emerging system is further according to the probability assignment function and phase after each proposition company of Dempster rules of combination calculating The degree of belief section answered, then calculate combined chance assignment function and degree of belief section；
Wherein, Dempster evidence theories rule of combination is as follows：Belief function Bel1、Bel2It is on same identification framework Ω Two confidence functions, m1、m2It is its corresponding basic probability assignment function BPA, such as Bel respectively1Burnt member be B1,B2,…,Bk, If Bel2Burnt member be C1,C2,…,CkIfSo, function m is for all non-NULLs SetMeet m (φ)=0 andK It is a normaliztion constant,
Therefore the probability assignment function of emerging system is：
(4) air-sensitive alcohol sensor, acceleration transducer, the data measured by steering angle sensor are separate, Identification framework is Ω={ A1,A2,A3, A1：Normally travel, A2：Drinking drive, A3：Drink-driving, final solution are bases In the decision-making of Basic Probability As-signment：
IfMeet
If have：
Then AmAs court verdict, wherein e1、e2For thresholding set in advance, value 0.1；
(5) the corresponding wagon control function of control signal progress is finally sent by controller according to court verdict and acousto-optic shows Show.
Above-mentioned language alarm display control module, for adjusting the transport condition of automobile, language alarm display control module Including output control module, display output module and the sound and light alarm module being connected with single-chip microcomputer output.
The above-mentioned specific adjusting method of language alarm display control module is as follows：
The language alarm and display module are mainly the result according to upper level, adjust the transport condition of automobile, Brake, reduce operation, and result is presented and plays a part of reminding driver by sound and light alarm and liquid crystal display；Work as car When the alcohol concentration of interior detection exceedes predetermined threshold, system progress LED is shown carries out audio alert with controlling loudspeaker, and controls Automobile processed carries out brake operating；
The display that alcohol value is carried out using charactron is operated, and line flicker of going forward side by side shows that the alcohol to remind driver in-car contains Measure too high；Multiple common anode charactrons are shown using SI PO shift register 74LS164 and drive control, used PNP type triode controls the working condition of charactron；
Voice alarm circuit sends prompt tone for sending order by speech chip by loudspeaker, to promote driver Avoid driving when intoxicated；Using working cell of the ISD1730 speech chips as voice alarm circuit；Assuming that drunk driving alcohol content door Limit value is set as 50ppm, when the alcohol concentration of tested driver is less than 50ppm, does not produce alarm voice prompting, and can incite somebody to action Alcohol concentration value is shown by LED display；When alcohol concentration is between 50ppm and 160ppm, alarm " please don't Drive when intoxicated "；When detecting the content of alcohol concentration more than 160ppm, system alarm prompting " please don't drunk driving "；
If fusion results judge to belong to and drive when intoxicated, by automotive control circuit come carry out the startup of automobile, braking, Parking；The voltage of automotive control circuit is higher than 5V, but single-chip microcomputer output voltage is only 3.5V, then can not directly pass through single-chip microcomputer control System output order, and need just export effective control command after carrying out voltage amplification；In order to increase the anti-interference of system Ability, the system of Darlington transistor, photoelectrical coupler and relay to automobile under steam is used in automobile control input output end Dynamic, normally travel is controlled；It is connected simultaneously by relay with automobile storage battery and igniter, to control the igniting of automobile to open Dynamic device.
Above-mentioned sound and light alarm module is specifically using ISD1730 speech chips.
Said external interface module includes ISP interfaces, jtag interface, keyboard.
Above-mentioned voltage conversion circuit input is connected with automobile power supply system, the voltage conversion circuit output end also with letter The connection of number detection module.
Above-mentioned air-sensitive alcohol sensing implement body uses using MQ-3 gas sensors, the acceleration sensing implement body Be MMA7260 sensors, the steering angle sensor is specifically using TLE5012 steering angle sensors.
Above-mentioned single-chip microcomputer is specifically using Atmega16 single-chip microcomputers.
The beneficial effects of the invention are as follows：
1st, the system makes full use of multiple sensors, acceleration information, direction information transport condition and car room to vehicle The interior multiple different types of information of alcohol gas concentration detect simultaneously, can be effectively improved single sensor to final measurement Influence, improve the accuracy of result and the reliability of system；
2nd, the sensor of the system occupy little space, be cheap, measurement error it is small, suitable for all kinds of vehicles, before market Scape is good；
3rd, the system by the respond after drinking of people (by the way that driver is accelerating under comparative study normal condition and after drinking During change, it can be deduced that, in the same circumstances, acceleration faster will show anxious acceleration mode to driver after drinking, Acceleration index is can contemplate as reference as drunk driving judge index.For vehicle during road driving, driver understands basis Road traffic condition, constantly slightly lenitively carry out steering pitman arm.Research finds that descendant's steering operation of drinking ability can be corresponding Change, the operation progress of steering is reduced, the corner amplitude of steering wheel is smaller during normal driving, by frequently correcting to reach car Central Bank sails in the road for stabilization.Showed when driving when intoxicated in the corner amendment excessive short time without the feelings for amendment of easing the helm Condition, vehicle is set serpentine curve transport condition occur.Alcohol, which is studied the Influencing Mechanism of driver, to be shown, drinking drive behavior feature To consider from many aspects, to consider driving condition and vehicle running state simultaneously, this Drunken driving TT＆C system will pass through air-sensitive Alcohol sensor, acceleration transducer, steering angle sensor gathered data) and alcohol concentration simultaneously be used as basis for estimation, raising The accuracy and real-time of detection, avoid drunk driver and practise fraud detection, make vehicle-mounted drunk driving TT＆C system more intelligent, more Add active safety.
Design, concrete structure and the caused technique effect of the present invention are described further below with reference to accompanying drawing, with It is fully understood from the purpose of the present invention, feature and effect.
Brief description of the drawings
Fig. 1 is the theory diagram of the present invention.
Embodiment
As shown in figure 1, a kind of Drunken driving measure and control device based on multi-sensor information fusion, including signal detection module 1st, multiple Signal-regulated kinases 2, message processing module 3, language alarm display control module 4, external interface module 5, automobile supply Electric system 6, voltage conversion circuit 7, outer memory module 8, serial port module 9, usb interface module 10, the signal detection module 1st, multiple Signal-regulated kinases 2, message processing module 3 are sequentially connected, described information processing module 3 and language alarm display control Module 4, external interface module 5, voltage conversion circuit 7, outer memory module 8, serial port module 9, usb interface module 10 are electrically connected Connect.
In the present embodiment, the input of voltage conversion circuit 7 is connected with automobile power supply system 6, the voltage conversion electricity The output end of road 7 is also connected with signal detection module 1.
In the present embodiment, the signal detection module 1 includes air-sensitive alcohol sensor, acceleration transducer, steering angle and passed Sensor.
In the present embodiment, described information processing module 3 is single-chip microcomputer, and the single-chip microcomputer includes multiple A/D modules.
In the present embodiment, the language alarm display control module 4 includes output control module, display output module, sound Light alarm module.
In the present embodiment, the external interface module 5 includes ISP interfaces, jtag interface, keyboard.
This Drunken driving TT＆C system selects sensor of the gas sensors of MQ -3 as Alcohol mental disorders in car room, puts It is placed in pilot set and leans on shoulder position；Velocity measuring selects the MMA7260 sensors of superior performance, and steering angle detection then uses The conventional TLE5012 steering angle sensors of auto industry；The hardware components of system are divided into detection module, message processing module and defeated Go out control module.
The hardware block diagram of Drunken driving TT＆C system designed by the present invention is as shown in Figure 1.The system is mainly examined by signal Survey module, message processing module and audio alert and display module three parts composition.
Signal detection module is mainly made up of various kinds of sensors, by the co-ordination of each sensor, is to driver No drive when intoxicated carries out accurate judgement.
Signal processing module is that the information to detecting is realized by microcontroller, A/D change-over circuits, signal conditioning circuit Handled, carry out performing order in next step.
Language alarm and display module are mainly the result according to upper level, adjust the transport condition of automobile, such as make The operations such as dynamic, reduction, and result is presented and plays a part of reminding driver by sound and light alarm and liquid crystal display.
First, signal detection module
Signal detection module is sensed by semiconductor alcohol gas sensor MQ-3, acceleration transducer MMA7260, steering angle Device TLE5012 is formed, and is responsible for the dynamic detection to car room environment.
Alcohol sensor detection unit is the core of whole sensor assembly, passes through the alcohol gas breathed out to main driving position Bulk concentration, to judge that driver drinks state.Alcohol gas concentration in automobile is entered from model MQ-3 gas sensor Row detection.Because environment inside car air has diluting effect to driver's exhaled gas, plus at any time may with interference believe Number, the alcohol concentration information that alcohol sensor detects can weaken, and increase the processing pressure of main control chip.Therefore collection is believed Amplification waiting number is done, single-chip microcomputer is sent in output and processed.
In order to can be very good to judge the heeling condition of automobile microvibration and vehicle, by using low-power consumption MMA7260 Acceleration transducer to automobile vibration and heeling condition monitor simultaneously.Drunk driving is believed by acceleration transducer acquisition module Number it is transferred to main control chip.According to the acceleration analysis state of car body, judge whether that driver causes operation wrong because of alcohol By mistake.The operational capacity of vehicle is reduced if driver drives when intoxicated, the random change direction of traffic of meeting.When automobile transverse direction side It is more than 5 times/20 seconds to frequency is changed, then judges that driver has drunk driving.
The measurement of steering angle to judge body sway position, deviate normal operation track and whether stable traveling have it is important Meaning.TLE5012 steering angle sensors are not easy to be polluted by dust, greasy dirt etc..Sensed with the magnetic angular based on hall principle Device is compared, and the TLE5012 precision based on giant magnetoresistance principle is higher.The corner of TLE5012 steering angle sensors detection vehicle is to letter Breath, result is sent to message processing module, is drunk situation by information fusion auxiliary judgment driver.
2nd, signal processing module
The main task of central processing portion is the electric signal of acquisition to be amplified and data analysis, utilizes microcontroller Fusion treatment is carried out to multiple different types of information of information gathering.If differentiation result is drunk driving, control voice single-chip microcomputer Alarm, driver is prompted to stop immediately, Alcohol mental disorders result is by LED liquid crystal displays.In the wine that liquid crystal screen display measures Smart concentration levels, driving control signal being provided in reserved service brake control mouth, control circuit is controlled using relay, Parking is forced by cutting off igniter.
3rd, audio alert and display module
Alarm and display module are mainly used in when the alcohol concentration of in-car detection exceedes predetermined threshold, and system is carried out LED is shown carries out audio alert with controlling loudspeaker, and controls automobile to carry out brake operating.
The present invention carries out the display operation of alcohol value using cheap charactron, and line flicker of going forward side by side is shown to remind driver In-car alcohol content is too high, should not carry out drunk driving.Using SI PO shift register 74LS164 to multiple common anode charactrons Shown and drive control, the working condition of charactron is controlled using PNP type triode.
Voice alarm circuit is mainly used in sending order by speech chip sends prompt tone by loudspeaker, to promote to drive The person of sailing avoids driving when intoxicated, and reduces the generation of traffic accident.In order to which faster system responds, reduce chip price, use Groundwork unit of the ISD1730 speech chips as voice alarm circuit.Assuming that drunk driving alcohol content threshold settings are 50ppm, when the alcohol concentration of tested driver is less than 50ppm, alarm voice prompting is not produced, and can be directly dense by alcohol Angle value is shown by LED display.When alcohol concentration is between 50ppm and 160ppm, alarm " please don't be driven after drinking Sail "；When detecting the content of alcohol concentration more than 160ppm, system alarm prompting " please don't drunk driving ".
If fusion results judge to belong to drive when intoxicated, the startup of automobile, braking, parking are carried out by control circuit Deng control.In order to increase the antijamming capability of system, automobile control input output end use Darlington transistor, photoelectrical coupler with And the device such as relay is controlled to automobile braking under steam, normally travel.Pass through relay and automobile storage battery simultaneously Connected with igniter, to control the ignition initiation devices of automobile.
Preferred embodiment of the invention described in detail above.It should be appreciated that one of ordinary skill in the art without Creative work can is needed to make many modifications and variations according to the design of the present invention.Therefore, all technologies in the art Personnel are available by logical analysis, reasoning, or a limited experiment on the basis of existing technology under this invention's idea Technical scheme, all should be in the protection domain being defined in the patent claims.

Claims (9)

  1. A kind of 1. Drunken driving measure and control device based on multi-sensor information fusion, it is characterised in that：Including signal detection module (1), multiple Signal-regulated kinases (2), message processing module (3), language alarm display control module (4), external interface module (5), automobile power supply system (6), voltage conversion circuit (7), outer memory module (8), serial port module (9), usb interface module (10)；The signal detection module (1), multiple Signal-regulated kinases (2), message processing module (3) are sequentially connected, described information Processing module (3) and language alarm display control module (4), external interface module (5), voltage conversion circuit (7), external storage Module (8), serial port module (9), usb interface module (10) electrical connection；
    The signal detection module (1) includes air-sensitive alcohol sensor, acceleration transducer, steering angle sensor；
    Described information processing module (3) include the A/D modules that are connected with Signal-regulated kinase (2) output end and with A/D modules The single-chip microcomputer that output end is connected；Message processing module (3) is by single-chip microcomputer, A/D modules, Signal-regulated kinase (2) to detection To information merged and calculated.
  2. 2. the Drunken driving measure and control device according to claim 1 based on multi-sensor information fusion, it is characterised in that：Institute It is as follows with computational methods to state fusion：
    (1) air-sensitive alcohol sensor, acceleration transducer, steering angle sensor are measured based on same period, draws survey Measure data；
    (2) measurement data of each sensor is transformed into evidence space from observation space first, to each proposition or each biography Information report one evidence of distribution given by sensor, i.e., distribute a Basic Probability As-signment to each information；
    (3) emerging system calculates the probability assignment function after each proposition company and corresponding further according to Dempster rules of combination Degree of belief section, then calculate combined chance assignment function and degree of belief section；
    Wherein, Dempster evidence theories rule of combination is as follows：Belief function Bel1、Bel2It is upper two of same identification framework Ω Confidence function, m1、m2It is its corresponding basic probability assignment function BPA, such as Bel respectively1Burnt member be B1,B2,…,BkIf Bel2Burnt member be C1,C2,…,CkIfSo, function m is for all nonempty setsMeet
    M (φ)=0 and
    It is a normaliztion constant to K,
    Therefore the probability assignment function of emerging system is：
    (4) air-sensitive alcohol sensor, acceleration transducer, the data measured by steering angle sensor are separate, identification Framework is Ω={ A1,A2,A3, A1：Normally travel, A2：Drinking drive, A3：Drink-driving, final solution are to be based on base The decision-making of this probability assignment：
    IfMeet
    <mrow> <mi>m</mi> <mrow> <mo>(</mo> <msub> <mi>A</mi> <mi>m</mi> </msub> <mo>)</mo> </mrow> <mo>=</mo> <mi>m</mi> <mi>a</mi> <mi>x</mi> <mo>{</mo> <mi>m</mi> <mrow> <mo>(</mo> <msub> <mi>A</mi> <mi>i</mi> </msub> <mo>)</mo> </mrow> <mo>,</mo> <msub> <mi>A</mi> <mi>i</mi> </msub> <mo>&amp;Subset;</mo> <mi>&amp;Omega;</mi> <mo>}</mo> </mrow>
    <mrow> <mi>m</mi> <mrow> <mo>(</mo> <msub> <mi>A</mi> <mi>n</mi> </msub> <mo>)</mo> </mrow> <mo>=</mo> <mi>m</mi> <mi>a</mi> <mi>x</mi> <mo>{</mo> <mi>m</mi> <mrow> <mo>(</mo> <msub> <mi>A</mi> <mi>i</mi> </msub> <mo>)</mo> </mrow> <mo>,</mo> <msub> <mi>A</mi> <mi>i</mi> </msub> <mo>&amp;Subset;</mo> <mi>&amp;Omega;</mi> <mo>,</mo> <msub> <mi>A</mi> <mi>i</mi> </msub> <mo>&amp;NotEqual;</mo> <msub> <mi>A</mi> <mi>m</mi> </msub> <mo>}</mo> </mrow> 1
    If have：
    <mfenced open = "{" close = ""> <mtable> <mtr> <mtd> <mrow> <mi>m</mi> <mrow> <mo>(</mo> <msub> <mi>A</mi> <mi>m</mi> </msub> <mo>)</mo> </mrow> <mo>-</mo> <mi>m</mi> <mrow> <mo>(</mo> <msub> <mi>A</mi> <mi>n</mi> </msub> <mo>)</mo> </mrow> <mo>&gt;</mo> <msub> <mi>&amp;epsiv;</mi> <mn>1</mn> </msub> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mi>m</mi> <mrow> <mo>(</mo> <mi>&amp;Omega;</mi> <mo>)</mo> </mrow> <mo>&lt;</mo> <msub> <mi>&amp;epsiv;</mi> <mn>2</mn> </msub> </mrow> </mtd> </mtr> <mtr> <mtd> <mrow> <mi>m</mi> <mrow> <mo>(</mo> <msub> <mi>A</mi> <mi>m</mi> </msub> <mo>)</mo> </mrow> <mo>&gt;</mo> <mi>m</mi> <mrow> <mo>(</mo> <mi>&amp;Omega;</mi> <mo>)</mo> </mrow> </mrow> </mtd> </mtr> </mtable> </mfenced>
    Then AmAs court verdict, wherein e1、e2For thresholding set in advance, value 0.1；
    (5) control signal is finally sent by controller according to court verdict and carries out corresponding wagon control function and acoustic-optic indicator.
  3. 3. the Drunken driving measure and control device according to claim 1 based on multi-sensor information fusion, it is characterised in that：Institute Predicate speech alarm indication control module (4), for adjusting the transport condition of automobile, language alarm display control module (4) includes Output control module, display output module and the sound and light alarm module being connected with single-chip microcomputer output.
  4. 4. the Drunken driving measure and control device according to claim 3 based on multi-sensor information fusion, it is characterised in that：Institute The specific adjusting method of predicate speech alarm indication control module (4) is as follows：
    The language alarm and display module are mainly the result according to upper level, adjust the transport condition of automobile, that is, make Dynamic, reduction operation, and result is presented and plays a part of reminding driver by sound and light alarm and liquid crystal display；When in-car is examined When the alcohol concentration of survey exceedes predetermined threshold, system progress LED is shown carries out audio alert with controlling loudspeaker, and controls vapour Car carries out brake operating；
    The display that alcohol value is carried out using charactron is operated, and line flicker of going forward side by side is shown to remind the in-car alcohol content mistake of driver It is high；Multiple common anode charactrons are shown using SI PO shift register 74LS164 and drive control, using positive-negative-positive Triode controls the working condition of charactron；
    Voice alarm circuit sends prompt tone for sending order by speech chip by loudspeaker, to promote driver to avoid Drive when intoxicated；Using working cell of the ISD1730 speech chips as voice alarm circuit；Assuming that drunk driving alcohol content threshold value It is set as 50ppm, when the alcohol concentration of tested driver is less than 50ppm, does not produce alarm voice prompting, and can be by alcohol Concentration value is shown by LED display；When alcohol concentration is between 50ppm and 160ppm, alarm " please don't be after drinking Drive "；When detecting the content of alcohol concentration more than 160ppm, system alarm prompting " please don't drunk driving "；
    If fusion results judge to belong to and drive when intoxicated, the startup of automobile is carried out, brakes, stop by automotive control circuit Car；The voltage of automotive control circuit is higher than 5V, but single-chip microcomputer output voltage is only 3.5V, then directly can not be controlled by single-chip microcomputer Output order, and need just export effective control command after carrying out voltage amplification；In order to increase the anti-interference energy of system Power, automobile control input output end using Darlington transistor, photoelectrical coupler and relay to automobile braking under steam, Normally travel is controlled；It is connected simultaneously by relay with automobile storage battery and igniter, to control the igniting of automobile to start Device.
  5. 5. the Drunken driving measure and control device according to claim 3 based on multi-sensor information fusion, it is characterised in that：Institute Sound and light alarm module is stated specifically using ISD1730 speech chips.
  6. 6. the Drunken driving measure and control device according to claim 1 based on multi-sensor information fusion, it is characterised in that：Institute Stating external interface module (5) includes ISP interfaces, jtag interface, keyboard.
  7. 7. the Drunken driving measure and control device according to claim 1 based on multi-sensor information fusion, it is characterised in that：Institute Voltage conversion circuit (7) input is stated to be connected with automobile power supply system (6), voltage conversion circuit (7) output end also with letter The connection of number detection module (1).
  8. 8. the Drunken driving measure and control device according to claim 1 based on multi-sensor information fusion, it is characterised in that：Institute Air-sensitive alcohol sensing implement body is stated using MQ-3 gas sensors, the acceleration sensing implement body using MMA7260 sensors, the steering angle sensor is specifically using TLE5012 steering angle sensors.
  9. 9. the Drunken driving measure and control device according to claim 1 based on multi-sensor information fusion, it is characterised in that：Institute Single-chip microcomputer is stated specifically using Atmega16 single-chip microcomputers.
CN201710573713.0A 2017-07-14 2017-07-14 A kind of Drunken driving measure and control device based on multi-sensor information fusion Pending CN107379967A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109532486A (en) * 2019-01-09 2019-03-29 吉林大学 A kind of intelligence drunk-driving prevention system and drunk-driving prevention method
CN112763550A (en) * 2020-12-29 2021-05-07 中国科学技术大学 Integrated gas detection system with odor recognition function
CN113110144A (en) * 2021-03-30 2021-07-13 苏州恒美电子科技股份有限公司 Automobile domain control system and working method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101872171A (en) * 2009-04-24 2010-10-27 中国农业大学 Driver fatigue state recognition method and system based on information fusion
CN102737468A (en) * 2012-07-11 2012-10-17 重庆大学 System and method for detecting fire hazard based on wireless multi-sensor information fusion
CN103847520A (en) * 2012-11-28 2014-06-11 西安艾力特电子实业有限公司 Novel safe identifying system for automobile driver drunk driving
CN104742802A (en) * 2014-12-19 2015-07-01 北京联合大学 Drunken driving detection system and method based on multiple sensors and video recognition technology

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101872171A (en) * 2009-04-24 2010-10-27 中国农业大学 Driver fatigue state recognition method and system based on information fusion
CN102737468A (en) * 2012-07-11 2012-10-17 重庆大学 System and method for detecting fire hazard based on wireless multi-sensor information fusion
CN103847520A (en) * 2012-11-28 2014-06-11 西安艾力特电子实业有限公司 Novel safe identifying system for automobile driver drunk driving
CN104742802A (en) * 2014-12-19 2015-07-01 北京联合大学 Drunken driving detection system and method based on multiple sensors and video recognition technology

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刘艳红等: "基于多传感器信息融合的汽车酒驾测控系统设计" *
李埃荣: "基于多传感器数据融合的驾驶状态监控研究" *

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109532486A (en) * 2019-01-09 2019-03-29 吉林大学 A kind of intelligence drunk-driving prevention system and drunk-driving prevention method
CN112763550A (en) * 2020-12-29 2021-05-07 中国科学技术大学 Integrated gas detection system with odor recognition function
CN112763550B (en) * 2020-12-29 2022-10-28 中国科学技术大学 Integrated gas detection system with odor recognition function
CN113110144A (en) * 2021-03-30 2021-07-13 苏州恒美电子科技股份有限公司 Automobile domain control system and working method thereof

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