CN106364400A - Intelligent vehicle brake method - Google Patents
Intelligent vehicle brake method Download PDFInfo
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- CN106364400A CN106364400A CN201610780114.1A CN201610780114A CN106364400A CN 106364400 A CN106364400 A CN 106364400A CN 201610780114 A CN201610780114 A CN 201610780114A CN 106364400 A CN106364400 A CN 106364400A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q9/00—Arrangement or adaptation of signal devices not provided for in one of main groups B60Q1/00 - B60Q7/00, e.g. haptic signalling
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T7/00—Brake-action initiating means
- B60T7/12—Brake-action initiating means for automatic initiation; for initiation not subject to will of driver or passenger
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transportation (AREA)
- Alarm Systems (AREA)
Abstract
The invention relates to an intelligent vehicle brake method. The method comprises the following steps of (1) providing an intelligent vehicle brake system, wherein the system comprises an AVR32 chip, brake control equipment, a brake pad and fault self-inspection equipment, the AVR32 chip is connected with the brake control equipment and the fault self-inspection equipment separately, the brake control equipment is connected with the brake pad, and the AVR32 chip is used for controlling the brake operation of the brake control equipment on the brake pad based on the output of the fault self-inspection equipment; and (2) operating the system.
Description
Technical field
The present invention relates to field of intelligent control, more particularly, to a kind of Intelligent System of Vehicle brake method.
Background technology
In prior art, in bus be used for vehicle-state abnormality detection sensor device precision not high, type and
Negligible amounts, the safety protection equipment species of bus is few to be set it is impossible to meet passenger under full state to security protection
Standby demand, safety protection equipment remains a need for passenger's naked eyes and finds its position, and the operation of safety protection equipment needs completely
Passenger is accomplished manually, and its automatization level is low, and work efficiency is low, and when bus meets accident to the requirement reflecting speed very
Height, what accident casualty quantity was often depending on safety protection equipment enables speed, and safety protection equipment of the prior art is very bright
Aobvious be unable to reach it is intended that work efficiency.
Accordingly, it would be desirable to a kind of design of new vehicle safety equipment, by increasing capacitance it is possible to increase abnormal for vehicle-state
The type of sensor device of detection and quantity, increase the type of vehicle safety equipment and quantity simultaneously additionally it is possible to from
Dynamic operator scheme substitutes existing artificial operator scheme, accelerates the reflection speed of vehicle safety equipment, thus convenient in-car
The fast-escape of passenger.
Content of the invention
In order to solve the above problems, the invention provides a kind of Intelligent System of Vehicle brake system, introduce multiple for vehicle
The sensor of abnormal state detection, improves sensor accuracy of detection, introduces multiple safety protection equipments and uses for passenger, meanwhile,
Also existing Security mechanism is optimized, improves the automaticity of security system for vehicles, it is to avoid great vehicle disaster
Generation, effectively safeguard the personal safety of passengers inside the car, it is to avoid unit of operation's economic interests suffer damage.
According to an aspect of the present invention, there is provided a kind of Intelligent System of Vehicle brake method, the method includes: 1) provides a kind of
Intelligent System of Vehicle brake system, described system includes avr32 chip, brake control device, brake block and fault self-checking equipment,
Avr32 chip is connected with brake control device and fault self-checking equipment respectively, and brake control device is connected with brake block, avr32
Chip is used for the output control brake brake operation to brake block for the control device based on fault self-checking equipment；2) run described system
System.
More specifically, in described Intelligent System of Vehicle brake system, comprising: brake control device, it is arranged on driving moment
Top, is connected with avr32 chip, for receiving vehicle abnormality signal or vehicle normal signal, and is receiving vehicle abnormality letter
Number when send abnormal brake control signal；Brake block, is arranged on above driving moment, with brake control device be connected, for
Receive, during abnormal brake control signal, emergency brake operation is executed to driving moment；Smokescope equipment, positioned at roof location,
For detecting to in-car smokescope, export Real-time Smoke concentration；Smokescope warning device, positioned at roof location, with
Smokescope testing equipment connects, and for receiving Real-time Smoke concentration, and it is dense to be more than or equal to default smog in Real-time Smoke concentration
During degree threshold value, send smokescope alarm signal, when Real-time Smoke concentration is less than default smoke density threshold value, send smog dense
Degree normal signal；Temperature testing equipment, is arranged near engine location, turns including bimetal leaf, curvature measuring device and signal
Parallel operation, bimetallic is sticked together and formed by the different metal of the two panels coefficient of expansion, and curvature measuring device is connected with bimetal leaf, uses
In detecting the degree of crook of bimetal leaf to export as real-time curvature, signal adapter is connected with curvature measuring device, for base
Determine in real-time curvature and export real time temperature；Temperature alarming equipment, is connected with temperature testing equipment, for receiving real-time temperature
Degree, and when real time temperature is more than or equal to preset temperature threshold value, send temperature anomaly signal, it is less than preset temperature in real time temperature
During threshold value, send temperature normal signal；Fault self-checking equipment, for self-inspection is carried out to each circuit arrangement in-car, electric when finding
When pipeline equipment has fault, send self-inspection alarm signal and export the title of interlock circuit equipment, when non-discovery circuit equipment is deposited
In fault, send self-inspection no error signal；Ccd capture apparatus, are arranged near safety door, including ccd sensor, support, cloud
Platform, protective cover, flash lamp, photoflash controller and ambient brightness detector, ccd sensor is arranged on head with head
Carry out packaged type shooting, obtain HD video, head and protective cover are fixed on support, and ambient brightness detector is used for detecting
The brightness of surrounding, ambient brightness detector carries out brightness and detects to obtain real time environment brightness, flash lamp to surrounding
Controller is connected with ambient brightness detector and flash lamp respectively, for the opening and closing based on real time environment brilliance control flash lamp；
Screening-mode analytical equipment, is arranged on the head of ccd capture apparatus, for being may move on head when ccd sensor
The amount of movement of accumulative ccd sensor when formula shoots, when the amount of movement of ccd sensor is more than preset displacement threshold value, sends scanning
Shoot signal, when the amount of movement of ccd sensor is less than or equal to preset displacement threshold value, send establishing shot signal；First reference
Frame extraction equipment, is connected with ccd capture apparatus and screening-mode analytical equipment respectively, receives establishing shot signal for working as
When, return to power modes from battery saving mode, and select to fix a two field picture as all successive images from HD video
Reference picture, when receiving scanning shoot signal, enter into battery saving mode from power modes；Second reference frame extracts and sets
Standby, it is connected with ccd capture apparatus and screening-mode analytical equipment respectively, for when receiving establishing shot signal, from power consumption
Pattern enters into battery saving mode, when receiving scanning shoot signal, returns to power modes from battery saving mode, and from high definition
The reference picture as present image for the previous frame image of present image is selected in video；Motion detection device, respectively with first
Reference frame extraction equipment and the second reference frame extraction equipment connect to obtain the reference picture of present image, by reference picture with work as
Front image is all divided into 8 × 8 subimage block, and the subimage block of the subimage block in the upper left corner in reference picture and the upper right corner is divided
Not as left with reference to subimage block and right with reference to subimage block, for left with reference to subimage block, search from present image with
The left subimage block with reference to subimage block coupling as left target subimage block, based on left with reference to subimage block with left target subgraph
As block calculates motion vector therebetween and as left movement vector, for right with reference to subimage block, search from present image
Rope to right subimage block mate with reference to subimage block as right target subimage block, based on right reference subimage block and right mesh
Mark subimage block calculates motion vector therebetween and as right motion vector, true based on the right motion vector of left movement vector
Determine average motion vector；Image compensation apparatus, are connected with motion detection device, for based on average motion vector to present image
Carry out steady picture to process to obtain current steady image；Based on average motion vector, present image is carried out with steady picture process to work as to obtain
Front image of stablizing includes: present image is moved backward the pixel of equivalent to obtain current steady image along average motion vector；
Distortion correction equipment, is connected with ccd capture apparatus and image compensation apparatus respectively, for detecting ccd sensor optical axis and level
The angle in direction as correcting angle, to carry out trapezoidal distortion correction to obtain currently based on correcting angle to current steady image
Remedial frames；Number testing equipment, is connected with distortion correction equipment, for carrying out histogram equalization successively to current remedial frames
Process, median filter process and gray processing are processed to obtain gray level image, by gray level image and default humanoid benchmark image
Mated using determine the humanoid quantity in gray level image and as real-time car door number output；Avr32 chip, respectively with people
Number testing equipment, smokescope warning device, temperature alarming equipment and fault self-checking equipment connect, for receiving real-time car door people
Number, and it is different also to receive smokescope alarm signal, temperature while real-time car door number is more than or equal to default number threshold value
When regular signal or self-inspection alarm signal, send vehicle abnormality signal, otherwise, send vehicle normal signal；Emergency speech is play and is set
Standby, it is arranged on roof, is connected with avr32 chip, for when receiving vehicle abnormality signal, playing emergency speech file；Door
Pump control apparatus, near the door pump of safety door, are connected with avr32 chip, for when receiving vehicle abnormality signal, controlling
The door pump of safety door processed is to automatically open up safety door；Circuit xegregating unit, including cooling system, extension type closure, standby
With power supply and microcontroller, near avr32 chip, microcontroller respectively with avr32 chip, cooling system, stand-by power supply
Unlatching equipment and shell driving equipment connect, for when receiving vehicle abnormality signal, controlling shell driving equipment can stretch
Contracting formula closure shrinks to protect avr32 chip in extension type closure, controls cooling system to carry out scalable
The cooling in space in formula closure, controlling stand-by power supply to open equipment is provided promptly with opening stand-by power supply for avr32 chip
Power supply；Wherein, extension type closure is made up of fire proofing material；In-car unlatching equipment, is arranged on body inner side and is located at peace
Near air cock, the upper surface apart from floor is 1.5 meters, and the horizontal range to corresponding safety door is less than 0.5 meter；Open outside car and set
Standby, it is arranged on outside car body and is located near safety door, be 1.8 meters apart from ground, the horizontal range to corresponding safety door is less than
0.5 meter.
More specifically, in described Intelligent System of Vehicle brake system, also including: apparatus for video communication, for wireless transmission
In-car image environment inside car being carried out with image acquisition to obtain.
More specifically, in described Intelligent System of Vehicle brake system: apparatus for video communication includes compressed encoding device, is used for
In-car image is carried out with mpeg-4 standard compression to obtain compression image.
More specifically, in described Intelligent System of Vehicle brake system: apparatus for video communication includes multi objective code devices, with
Compressed encoding device connects, and encodes for carrying out multi objective to compression image to obtain channel-encoded data.
More specifically, in described Intelligent System of Vehicle brake system: apparatus for video communication includes wireless communication interface, and many
Index code devices connect, for wireless transmit channel-encoded data.
More specifically, in described Intelligent System of Vehicle brake system: wireless communication interface be time division duplex communication interface or
Frequency duplex communications interface.
More specifically, in described Intelligent System of Vehicle brake system: wireless communication interface is 3g communication interface or gprs leads to
Letter interface.
Brief description
Below with reference to accompanying drawing, embodiment of the present invention is described, wherein:
Fig. 1 is the block diagram of the Intelligent System of Vehicle brake system according to embodiment of the present invention.
Fig. 2 is the structure side of the circuit xegregating unit of the Intelligent System of Vehicle brake system according to embodiment of the present invention
Block diagram.
Reference: 1avr32 chip；2 brake control devices；3 brake blocks；4 fault self-checking equipment；5 microcontrollers；6 falls
Warm equipment；Equipment opened by 7 stand-by power supplies；8 shell driving equipments
Specific embodiment
Below with reference to accompanying drawings the embodiment of the Intelligent System of Vehicle brake system of the present invention is described in detail.
General buses roof has two emergency exits, and a lot of people are easily considered vent its mistake.Escape window
There is button above, vehicle window entirely toward extrapolation after rotation.Especially when vehicle rollover, this escape window is highly useful.
However, for being loaded with the bus of full passenger, existing vehicle sensory equipment and emergency reaction equipment
Quantity and type can not meet the demand of passenger, current emergency reaction equipment remains a need for excessive artificial participation process, no
Method is voluntarily reacted according to vehicle concrete condition, this substantially prolongs the emergency reaction time of passenger, causes the safety of vehicle
The significantly decline of degree of protection, easily causes the generation of major casualties.
Currently do not have the solution of the problems referred to above, in order to overcome above-mentioned deficiency, the present invention has built a kind of intellectuality
Brake and drive system for vehicle with tow, transforms to existing vehicle structure, carries out automatic updating to existing emergency reaction equipment, simultaneously
Also the number of sensors and species of vehicle abnormality state-detection is increased such that it is able in time detection is to abnormal shapes such as fire
State is simultaneously made a response rapidly.
Fig. 1 is the block diagram of the Intelligent System of Vehicle brake system according to embodiment of the present invention, described system
Including avr32 chip, brake control device, brake block and fault self-checking equipment, avr32 chip respectively with brake control device and
Fault self-checking equipment connects, and brake control device is connected with brake block, and avr32 chip is used for the output based on fault self-checking equipment
Control the brake brake operation to brake block for the control device.
Then, continue the concrete structure of the Intelligent System of Vehicle brake system of the present invention is further detailed.
Described system includes: brake control device, is arranged on above driving moment, is connected with avr32 chip, for receiving
Vehicle abnormality signal or vehicle normal signal, and abnormal brake control signal is sent when receiving vehicle abnormality signal.
Described system includes: brake block, is arranged on above driving moment, is connected with brake control device, for receiving
During to abnormal brake control signal, emergency brake operation is executed to driving moment；Smokescope equipment, positioned at roof location, is used for
In-car smokescope is detected, exports Real-time Smoke concentration.
Described system includes: smokescope warning device, positioned at roof location, is connected with smokescope testing equipment, uses
In reception Real-time Smoke concentration, and when Real-time Smoke concentration is more than or equal to default smoke density threshold value, send smokescope report
Alert signal, when Real-time Smoke concentration is less than default smoke density threshold value, sends smokescope normal signal.
Described system includes: temperature testing equipment, is arranged near engine location, including bimetal leaf, curvature measuring
Device and signal adapter, bimetallic is sticked together and formed by the different metal of the two panels coefficient of expansion, and curvature measuring device is golden with double
Belong to piece to connect, for detecting the degree of crook of bimetal leaf to export as real-time curvature, signal adapter and curvature measuring device
Connect, for being determined based on real-time curvature and exporting real time temperature.
Described system includes: temperature alarming equipment, is connected with temperature testing equipment, for receiving real time temperature, and in reality
When Shi Wendu is more than or equal to preset temperature threshold value, send temperature anomaly signal, when real time temperature is less than preset temperature threshold value, send out
Go out temperature normal signal.
Described system includes: fault self-checking equipment, for carrying out self-inspection to each circuit arrangement in-car, when discovery circuit sets
For when there is fault, send self-inspection alarm signal and export the title of interlock circuit equipment, when non-discovery circuit equipment has event
During barrier, send self-inspection no error signal.
Described system includes: ccd capture apparatus, is arranged near safety door, including ccd sensor, support, head, prevents
Guard shield, flash lamp, photoflash controller and ambient brightness detector, ccd sensor is arranged on head to carry out on head
Packaged type shoots, and obtains HD video, and head and protective cover are fixed on support, and ambient brightness detector is used for around detection
The brightness of environment, ambient brightness detector carries out brightness detection to obtain real time environment brightness to surrounding, and flash lamp controls
Device is connected with ambient brightness detector and flash lamp respectively, for the opening and closing based on real time environment brilliance control flash lamp.
Described system includes: screening-mode analytical equipment, is arranged on the head of ccd capture apparatus, for sensing as ccd
Device carries out the amount of movement of accumulative ccd sensor when packaged type shoots on head, presets when the amount of movement of ccd sensor is more than
During displacement threshold value, send scanning shoot signal, when the amount of movement of ccd sensor is less than or equal to preset displacement threshold value, send solid
Surely shoot signal.
Described system includes: the first reference frame extraction equipment, connects with ccd capture apparatus and screening-mode analytical equipment respectively
Connect, for when receiving establishing shot signal, returning to power modes from battery saving mode, and select solid from HD video
A fixed two field picture, as the reference picture of all successive images, when receiving scanning shoot signal, enters into from power modes
Battery saving mode.
Described system includes: the second reference frame extraction equipment, connects with ccd capture apparatus and screening-mode analytical equipment respectively
Connect, for when receiving establishing shot signal, entering into battery saving mode from power modes, when receiving scanning shoot signal
When, return to power modes from battery saving mode, and select the previous frame image of present image from HD video as current
The reference picture of image.
Described system includes: motion detection device, extracts with the first reference frame extraction equipment and the second reference frame respectively and sets
Standby connection, to obtain the reference picture of present image, reference picture and present image is all divided into 8 × 8 subimage block, will join
Examine the subimage block in the upper left corner in image and the subimage block in the upper right corner respectively as left with reference to subimage block and right with reference to son
Image block, for left with reference to subimage block, searched from present image and is made with reference to the subimage block that subimage block mates with left
For left target subimage block, calculate motion vector therebetween and make with reference to subimage block and left target subimage block based on left
For left movement vector, for right with reference to subimage block, search from present image and the right subgraph mating with reference to subimage block
As block is as right target subimage block, based on the right motion arrow calculating with reference to subimage block and right target subimage block therebetween
Measure and as right motion vector, average motion vector is determined based on the right motion vector of left movement vector.
Described system includes: image compensation apparatus, is connected with motion detection device, for based on average motion vector to work as
Front image carries out steady picture and processes to obtain current steady image；Based on average motion vector present image is carried out steady as process with
Obtain current steady image to include: present image is moved backward the pixel of equivalent to obtain current steady along average motion vector
Image.
Described system includes: distortion correction equipment, is connected with ccd capture apparatus and image compensation apparatus respectively, for examining
The angle surveying ccd sensor optical axis with horizontal direction is as correcting angle, to be carried out to current steady image based on correcting angle
Trapezoidal distortion is corrected to obtain current remedial frames.
Described system includes: number testing equipment, is connected with distortion correction equipment, for entering successively to current remedial frames
Column hisgram equilibrium treatment, median filter process and gray processing are processed to obtain gray level image, by gray level image with default
Humanoid benchmark image mated using determine the humanoid quantity in gray level image and as real-time car door number output.
Described system includes: avr32 chip, sets with number testing equipment, smokescope warning device, temperature alarming respectively
Standby and fault self-checking equipment connects, and for receiving real-time car door number, and is more than or equal to default number threshold in real-time car door number
When also receiving smokescope alarm signal, temperature anomaly signal or self-inspection alarm signal while value, send vehicle abnormality letter
Number, otherwise, send vehicle normal signal.
Described system includes: emergency speech playback equipment, is arranged on roof, is connected with avr32 chip, for receiving
During vehicle abnormality signal, play emergency speech file；Door pump control apparatus, near the door pump of safety door, with avr32 chip
Connect, for when receiving vehicle abnormality signal, the door pump controlling safety door is to automatically open up safety door.
As shown in Fig. 2 described system includes: circuit xegregating unit, including cooling system, extension type closure, standby
With power supply and microcontroller, near avr32 chip, microcontroller respectively with avr32 chip, cooling system, stand-by power supply
Unlatching equipment and shell driving equipment connect, for when receiving vehicle abnormality signal, controlling shell driving equipment can stretch
Contracting formula closure shrinks to protect avr32 chip in extension type closure, controls cooling system to carry out scalable
The cooling in space in formula closure, controlling stand-by power supply to open equipment is provided promptly with opening stand-by power supply for avr32 chip
Power supply；Wherein, extension type closure is made up of fire proofing material.
Described system includes: in-car unlatching equipment, is arranged on body inner side and is located near safety door, upper apart from floor
Surface is 1.5 meters, and the horizontal range to corresponding safety door is less than 0.5 meter；Open equipment outside car, be arranged on outside car body and be located at
Near safety door, it is 1.8 meters apart from ground, the horizontal range to corresponding safety door is less than 0.5 meter.
Alternatively, in described control platform: apparatus for video communication, for wireless transmission, image is carried out to environment inside car and adopt
The in-car image to obtain for the collection；Apparatus for video communication includes compressed encoding device, for carrying out mpeg-4 standard to in-car image
Compression is to obtain compression image；Apparatus for video communication includes multi objective code devices, is connected with compressed encoding device, for pressure
Contract drawing picture carries out multi objective and encodes to obtain channel-encoded data；Apparatus for video communication includes wireless communication interface, with multi objective
Code devices connect, for wireless transmit channel-encoded data；Wireless communication interface is time division duplex communication interface or frequency division is double
Work communication interface；And wireless communication interface is 3g communication interface or gprs communication interface.
In addition, 4g lte is the standard of a global general-use, including two kinds of network schemer fdd and tdd, it is respectively used in pairs
Frequency spectrum and non-paired frequency spectrum.Operator's initially accepting or rejecting purely for the consideration to spectrum availability between two patterns.Greatly
Multi-operator will dispose two kinds of networks simultaneously, to make full use of all frequency spectrum resources that it has.Fdd and tdd is in technology
Upper difference very little in fact, the main distinction is that using different duplex modes, FDD (fdd) and time division duplex (tdd)
It is two kinds of different duplex modes.
Fdd is to be received and transmitted on detached two symmetrical frequency channels, with protection frequency range come separate receive and
Send channel.Fdd must rely on frequency to carry out differentiating uplink and downlink link, its unidirectional resource is in the time using paired frequency
On be continuous.Fdd, when supporting symmetrical service, can make full use of the frequency spectrum of up-downgoing, but when supporting non-symmetrical service, frequently
Spectrum utilization rate will substantially reduce.
Tdd is separated with the time and receives and send channel.In the mobile communication system of tdd mode, receive and transmission makes
With the different time-gap of same frequency carrier wave as channel carrying, its unidirectional resource is discontinuous, the time in time
Resource is distributed in the two directions.Certain time period sends a signal to mobile station by base station, and other time is by moving
Platform sends a signal to base station, must harmonious ability work well between base station and mobile station.
Using the Intelligent System of Vehicle brake system of the present invention, for prior art vehicle safety grade is relatively low, passenger's escape
Difficult technical problem, increases some environmental sensors with quick detection vehicle abnormality, increases more security protections and sets
Available passenger uses, and existing Security mechanism is upgraded and optimizes, thus improving the response speed of passenger, improves car
Class of safety protection, help car on passenger quickly flee from vehicle, prevent fire disaster accident occur.
Although it is understood that the present invention is disclosed as above with preferred embodiment, but above-described embodiment being not used to
Limit the present invention.For any those of ordinary skill in the art, without departing under technical solution of the present invention ambit,
The technology contents that the disclosure above all can be utilized are made many possible variations and modification, or are revised as to technical solution of the present invention
Equivalent embodiments with change.Therefore, every content without departing from technical solution of the present invention, according to the technical spirit pair of the present invention
Any simple modification made for any of the above embodiments, equivalent variations and modification, all still fall within the scope of technical solution of the present invention protection
Interior.
Claims (8)
1. a kind of Intelligent System of Vehicle brake method, the method includes:
1) provide a kind of Intelligent System of Vehicle brake system, described system include avr32 chip, brake control device, brake block and
Fault self-checking equipment, avr32 chip is connected with brake control device and fault self-checking equipment respectively, brake control device and brake
Piece connects, and avr32 chip is used for the output control brake brake operation to brake block for the control device based on fault self-checking equipment；
2) run described system.
2. Intelligent System of Vehicle brake system as claimed in claim 1 is it is characterised in that described system includes:
Brake control device, is arranged on above driving moment, is connected with avr32 chip, for receiving vehicle abnormality signal or car
Normal signal, and abnormal brake control signal is sent when receiving vehicle abnormality signal；
Brake block, is arranged on above driving moment, is connected with brake control device, for receiving abnormal brake control signal
When to driving moment execute emergency brake operation；
Smokescope equipment, positioned at roof location, for detecting to in-car smokescope, exports Real-time Smoke concentration；
Smokescope warning device, positioned at roof location, is connected with smokescope testing equipment, dense for receiving Real-time Smoke
Degree, and when Real-time Smoke concentration is more than or equal to default smoke density threshold value, send smokescope alarm signal, in Real-time Smoke
When concentration is less than default smoke density threshold value, send smokescope normal signal；
Temperature testing equipment, is arranged near engine location, including bimetal leaf, curvature measuring device and signal adapter, double
Metal is sticked together and formed by the different metal of the two panels coefficient of expansion, and curvature measuring device is connected with bimetal leaf, for detecting
To export as real-time curvature, signal adapter is connected the degree of crook of bimetal leaf with curvature measuring device, for based in real time
Curvature determines and exports real time temperature；
Temperature alarming equipment, is connected with temperature testing equipment, for receiving real time temperature, and is more than or equal to default in real time temperature
During temperature threshold, send temperature anomaly signal, when real time temperature is less than preset temperature threshold value, send temperature normal signal；
Fault self-checking equipment, for carrying out self-inspection to each circuit arrangement in-car, when discovery circuit equipment has fault, sends
Self-inspection alarm signal simultaneously exports the title of interlock circuit equipment, when non-discovery circuit equipment has fault, sends self-inspection errorless
Signal；
Ccd capture apparatus, are arranged near safety door, including ccd sensor, support, head, protective cover, flash lamp, flash lamp
Controller and ambient brightness detector, ccd sensor is arranged on head to carry out packaged type shooting on head, obtains high
Clear video, head and protective cover are fixed on support, and ambient brightness detector is used for detecting the brightness of surrounding, ambient brightness
Detector carries out brightness and detects to obtain real time environment brightness to surrounding, and photoflash controller is detected with ambient brightness respectively
Device and flash lamp connect, for the opening and closing based on real time environment brilliance control flash lamp；
Screening-mode analytical equipment, is arranged on the head of ccd capture apparatus, for when ccd sensor, carry out on head can
The amount of movement of accumulative ccd sensor during portable shooting, when the amount of movement of ccd sensor is more than preset displacement threshold value, sends
Scanning shoot signal, when the amount of movement of ccd sensor is less than or equal to preset displacement threshold value, sends establishing shot signal；
First reference frame extraction equipment, is connected with ccd capture apparatus and screening-mode analytical equipment respectively, for solid when receiving
When surely shooting signal, from battery saving mode, return to power modes, and select to fix a two field picture as institute from HD video
There is the reference picture of successive image, when receiving scanning shoot signal, enter into battery saving mode from power modes；
Second reference frame extraction equipment, is connected with ccd capture apparatus and screening-mode analytical equipment respectively, for solid when receiving
When surely shooting signal, enter into battery saving mode from power modes, when receiving scanning shoot signal, recover from battery saving mode
To power modes, and select the reference picture as present image for the previous frame image of present image from HD video；
Motion detection device, is connected with the first reference frame extraction equipment and the second reference frame extraction equipment respectively to obtain current figure
The reference picture of picture, reference picture and present image is all divided into 8 × 8 subimage block, by the upper left corner in reference picture
The subimage block in subimage block and the upper right corner is respectively as left with reference to subimage block and right with reference to subimage block, sub for left reference
Image block, searches with the left subimage block mating with reference to subimage block as left target subimage block, base from present image
Calculate motion vector therebetween in left with reference to subimage block and left target subimage block and as left movement vector, for the right side
With reference to subimage block, search from present image with the right subimage block mating with reference to subimage block as right target subimage
Block, calculates motion vector therebetween and as right motion vector based on right with reference to subimage block and right target subimage block,
Average motion vector is determined based on the right motion vector of left movement vector；
Image compensation apparatus, are connected with motion detection device, for being carried out to present image at steady picture based on average motion vector
Reason is to obtain current steady image；Based on average motion vector, present image is carried out with steady picture to process to obtain current steady image
Including: present image is moved backward the pixel of equivalent to obtain current steady image along average motion vector；
Distortion correction equipment, is connected with ccd capture apparatus and image compensation apparatus respectively, for detect ccd sensor optical axis with
The angle of horizontal direction as correcting angle, to carry out trapezoidal distortion correction to obtain based on correcting angle to current steady image
Current remedial frames；
Number testing equipment, is connected with distortion correction equipment, for current remedial frames is carried out successively histogram equalization process,
Median filter process and gray processing are processed to obtain gray level image, by gray level image with preset humanoid benchmark image and carry out
It is equipped with the humanoid quantity determining in gray level image and as the output of real-time car door number；
Avr32 chip, respectively with number testing equipment, smokescope warning device, temperature alarming equipment and fault self-checking equipment
Connect, for receiving real-time car door number, and also receive while real-time car door number is more than or equal to default number threshold value
When smokescope alarm signal, temperature anomaly signal or self-inspection alarm signal, send vehicle abnormality signal, otherwise, send vehicle
Normal signal；
Emergency speech playback equipment, is arranged on roof, is connected with avr32 chip, for when receiving vehicle abnormality signal, broadcasting
Put emergency speech file；
Door pump control apparatus, near the door pump of safety door, are connected with avr32 chip, for receiving vehicle abnormality letter
Number when, control safety door door pump to automatically open up safety door；
Circuit xegregating unit, including cooling system, extension type closure, stand-by power supply and microcontroller, positioned at avr32 core
Near piece, microcontroller opens equipment with avr32 chip, cooling system, stand-by power supply respectively and shell driving equipment is connected, and uses
In when receiving vehicle abnormality signal, shell driving equipment is controlled to shrink extension type closure with by avr32 chip
Protection, in extension type closure, controls cooling system to carry out the cooling in space in extension type closure, controls standby
There is provided emergency service with electric power starting equipment to open stand-by power supply for avr32 chip；Wherein, extension type closure is by preventing
Fiery material is made；
In-car unlatching equipment, is arranged on body inner side and is located near safety door, upper surface apart from floor is 1.5 meters, to right
The horizontal range answering safety door is less than 0.5 meter；
Open equipment outside car, be arranged on outside car body and be located near safety door, be 1.8 meters apart from ground, to corresponding safety door
Horizontal range be less than 0.5 meter.
3. method as claimed in claim 2 is it is characterised in that also include:
Apparatus for video communication, in-car image image acquisition being carried out to environment inside car to obtain for wireless transmission.
4. method as claimed in claim 3 it is characterised in that:
Apparatus for video communication includes compressed encoding device, for carrying out mpeg-4 standard compression to obtain compression figure to in-car image
Picture.
5. method as claimed in claim 4 it is characterised in that:
Apparatus for video communication includes multi objective code devices, is connected with compressed encoding device, for carrying out referring to compression image more
Mark coding is to obtain channel-encoded data.
6. method as claimed in claim 5 it is characterised in that:
Apparatus for video communication includes wireless communication interface, is connected with multi objective code devices, for wireless transmit chnnel coding number
According to.
7. method as claimed in claim 6 it is characterised in that:
Wireless communication interface is time division duplex communication interface or frequency duplex communications interface.
8. method as claimed in claim 6 it is characterised in that:
Wireless communication interface is 3g communication interface or gprs communication interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780114.1A CN106364400A (en) | 2016-08-31 | 2016-08-31 | Intelligent vehicle brake method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610780114.1A CN106364400A (en) | 2016-08-31 | 2016-08-31 | Intelligent vehicle brake method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545067A (en) * | 2018-06-11 | 2018-09-18 | 常州信息职业技术学院 | Automobile speed limit travels control mechanism |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108545067A (en) * | 2018-06-11 | 2018-09-18 | 常州信息职业技术学院 | Automobile speed limit travels control mechanism |
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Application publication date: 20170201 |