CN106740836A - Vehicle collision transient state kinetic energy cuts down magnetic buffering system and method - Google Patents
Vehicle collision transient state kinetic energy cuts down magnetic buffering system and method Download PDFInfo
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- CN106740836A CN106740836A CN201611138925.8A CN201611138925A CN106740836A CN 106740836 A CN106740836 A CN 106740836A CN 201611138925 A CN201611138925 A CN 201611138925A CN 106740836 A CN106740836 A CN 106740836A
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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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
- B60W30/09—Taking automatic action to avoid collision, e.g. braking and steering
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R19/00—Wheel guards; Radiator guards, e.g. grilles; Obstruction removers; Fittings damping bouncing force in collisions
- B60R19/02—Bumpers, i.e. impact receiving or absorbing members for protecting vehicles or fending off blows from other vehicles or objects
- B60R19/023—Details
-
- 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
- B60W30/00—Purposes of road vehicle drive control systems not related to the control of a particular sub-unit, e.g. of systems using conjoint control of vehicle sub-units, or advanced driver assistance systems for ensuring comfort, stability and safety or drive control systems for propelling or retarding the vehicle
- B60W30/08—Active safety systems predicting or avoiding probable or impending collision or attempting to minimise its consequences
- B60W30/095—Predicting travel path or likelihood of collision
- B60W30/0956—Predicting travel path or likelihood of collision the prediction being responsive to traffic or environmental parameters
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/16—Anti-collision systems
- G08G1/166—Anti-collision systems for active traffic, e.g. moving vehicles, pedestrians, bikes
Abstract
The invention discloses a kind of vehicle collision transient state kinetic energy abatement magnetic buffering system and method.Module, magnetic buffer device and car networking are estimated including data collection module, collision, data collection module is obtained from the travelling data of car and traveling ahead vehicle, and is transferred to car networking respectively and module is estimated in collision；Module analysis from car and the travelling data of front vehicles are estimated in collision, when the relative distance between vehicle is less than 1m, with physics Critical Region of Pursue Problem algorithm, estimated with the collision of traveling ahead vehicle from car；The data conversion that magnetic buffer device is used for system magnetoelectricity is calculated, the defeated receipts of signal and magnetic force are generated.The present invention makes to have the magnetic field for forming identical polar between the vehicle of risk of collision by electromagnetic disc, so as to produce " repulsive force ", realize the auxiliary braking of vehicle, reach the generation for preventing vehicle collision accident, or reduce the order of severity of vehicle collision, reduce causality loss, ensure the purpose of the safety of life and property of driver and crew.
Description
Technical field
It is former with the conservation of energy the present invention relates to a kind of vehicle collision transient state kinetic energy abatement magnetic buffer device and method
Reason, electromagnetic theory, car networking technology and active safety technologies, are estimated by vehicle collision risk, between making to have risk of collision vehicle
Same sex magnetic field is produced, so as to produce " repulsive force ", abatement collision transient state kinetic energy is reached, makes vehicle collision free occur or reduce to touch
The purpose that damage is lost.
Background technology
With continuing to develop and progressive for human society, the popularization and application of automobile more generally and will be goed deep into, therewith
The traffic safety problem come also increasingly is highlighted.Traditional passive security technology can not effectively solve the hair of traffic accident
Raw, people turn to active safety for the security requirement of automobile from passive security characteristic.
Automobile active safety technology is directed to the proposition of all types automobile product, when vehicle and objects in front, vehicle, OK
When there is potential collision in people, take measures automatically with avoid occurring accident passenger and pedestrian are caused infliction of body or
Loss economically.Wherein, the exploitation of emergency braking system and use, further improve the driving experience of driver, greatly
Reduce to degree traffic accident incidence.But, because the structure such as trigger of emergency braking system often has unicity,
So as to cause active safety systems of vehicles failure, brake hard impaired performance, safe stopping distance deficiency, driver's mistake to drive
Etc. the presence of factor, vehicle is still present larger risk of collision.
The content of the invention
For defect present in above-mentioned prior art, it is an object of the invention to provide a kind of vehicle collision transient state kinetic energy
Abatement magnetic buffering system and method, makes have the corresponding electromagnetism dish type passed through in magnetic buffer device between the vehicle of risk of collision
Into the magnetic field of identical polar, so as to produce " repulsive force ", the auxiliary braking of vehicle is realized, reach the hair for preventing vehicle collision accident
Life, or the order of severity of vehicle collision is reduced, reduce causality loss, ensure the purpose of the safety of life and property of driver and crew.
Present system use technical scheme be：
Vehicle collision transient state kinetic energy cuts down magnetic buffering system, including data collection module, collision are estimated module, magnetic force and delayed
Flushing device and car networking, data collection module are obtained from the row of car and traveling ahead vehicle by onboard sensor and roadside device
Car data, and car networking is transferred to respectively and module is estimated in collision；Module analysis from the driving of car and front vehicles are estimated in collision
Data, when the relative distance between vehicle is less than 1m, with physics Critical Region of Pursue Problem algorithm, are carried out from car and traveling ahead vehicle
Collision is estimated；Magnetic buffer device includes the magnetic-electricity modular converter, signal transmission and receiving module, the adjustable economize on electricity that are sequentially connected
Source and electromagnetic disc, wherein, magnetic-electricity modular converter is connected to the collision and estimates module, and signal transmission is connected to receiving module
The car networking.
Further, the onboard sensor includes velocity sensor, range sensor and pressure sensor, velocity pick-up
Device is installed on the vehicle wheel wing of vehicle, and range sensor is arranged on headstock bumper, and pressure sensor is installed on in-car seat
Under chair.
Further, the adjustable source includes intelligent two-way switch and signal receiver module, wherein, intelligence is two-way
Switch is connected with the electromagnetic disc connection, signal receiver module and the signal transmission with receiving module.
Preferably, the adjustable source is charge power supply, is installed on chassis medium position.
Further, the electromagnetic disc uses semi-shaped magnetic core, and the vertical pivot length of semi-shaped magnetic core is more than to be led
Line winding magnetic core vertical pivot position forms solenoidal pipe range；The upper and lower transverse axis of the semi-shaped magnetic core is equipped with two respectively
Individual spring, the insulation protection that spring is fixed on electromagnetic disc overcoat vertically puts；It is horizontal that the length of the spring is equal to magnetic core
Vertical distance of the axle to insulation protective jacket.
Preferably, the electromagnetic disc uses double electromagnetic discs, after being separately mounted to Chinese herbaceous peony and car；With side after Chinese herbaceous peony and car
The line that electromagnetic disc is formed is parallel with truck drive shaft, two parallel lines that two side electromagnetic discs are formed to the online position of power transmission shaft institute
Distance it is equal, be 0.4m~0.6m.
Vehicle collision transient state kinetic energy of the present invention cuts down magnetic buffering method, comprises the following steps：
Step 1, data collection module is obtained from the row of car and traveling ahead vehicle by onboard sensor and roadside device
Car data, and by car networking realize vehicle between and vehicle and road measuring device data message interact；
Step 2, what collision estimated that module transmit to data collection module is divided from car with the travelling data of front vehicles
Analysis, when the relative distance between vehicle is less than 1m, with physics Critical Region of Pursue Problem algorithm, carries out touching from car and traveling ahead vehicle
Hit and estimate, if it is determined that when there is risk of collision from car and traveling ahead vehicle, transmit information to the magnetic of magnetic buffer device-
Electric modular converter；
Step 3, with conservation of energy principle and the law of electromagnetic induction, magnetic-electricity modular converter is by needed for magnetic buffer device
Magnetic force be converted into magnetic buffer device open and normal work voltage data, and send power supply to from the adjustable source of car
Enabling signal and voltage data information, meanwhile, signal transmission and the receiving module of magnetic buffer device pass through car networking forwards
Driving vehicle sends the enabling signal and regulation data of magnetic buffer device；
Step 4, adjustable source automatically selects the unlatching of electromagnetic disc, and adjust after unlatching and regulated voltage signal is received
Section voltage swing, from formation same sex magnetic field between the Chinese herbaceous peony electromagnetic disc and electromagnetic disc after the car of corresponding traveling ahead vehicle of car,
Repulsive force is produced, magnetic buffering effect is started in two workshops；
Step 5, collides with traveling ahead vehicle when from car under braking action, or two vehicle speeds it is equal when, magnetic force
The adjustable source of buffer unit is closed, and magnetic buffering terminates.
The present invention provides a kind of vehicle collision transient state kinetic energy abatement magnetic buffering system and method, former with the conservation of energy
Reason, the law of electromagnetic induction, car networking technology and active safety technologies, in active safety systems of vehicles failure, brake hard performance
Weaken, safe stopping distance is not enough, driver's mistake drives and in the case of causing vehicle to there is risk of collision, start magnetic force and delay
Flushing device, makes the magnetic for having the corresponding electromagnetic disc passed through in magnetic buffer device between the vehicle of risk of collision to form identical polar
, so as to produce " repulsive force ".I.e. to carrying out auxiliary braking from car, will be produced by magnetic buffer device from a part of kinetic energy of car
Raw " repulsive force " acting consumption.Reach prevent vehicle collision accident generation, or reduce vehicle collision the order of severity, reduce
Causality loss, ensures the purpose of the safety of life and property of driver and crew.
Brief description of the drawings
Fig. 1 is system structure diagram of the invention.
Fig. 2 is method of the present invention workflow diagram.
Fig. 3 is the system structure diagram of data collection module.
Fig. 4 is the structure chart of magnetic disk, the semi-shaped disc electrical pure iron iron cores of 1-, 2- plasticity insulation protective jackets, 3- bags
Copper conductor, 4- springs.
Fig. 5 is vehicle body sensor and magnetisation device scheme of installation, 5- velocity sensors, 6- range sensors, 7- Chinese herbaceous peonies
Double electromagnetic discs, double electromagnetic discs, 9- adjustable sources after 8- cars.
Specific embodiment
Magnetic buffering system and method is cut down to a kind of vehicle collision transient state kinetic energy that the present invention is provided below in conjunction with the accompanying drawings
Further illustrate.
As shown in Fig. 2 the method for the present invention comprises the following steps：
S101：The travelling data of car and traveling ahead vehicle is obtained from by onboard sensor and roadside device, and is passed through
Between car networking realizes vehicle and vehicle and road measuring device data message are interacted；
The travelling data from car and front vehicles is analyzed, when the relative distance between vehicle is less than 1m, is carried out further
Collision is estimated；
S102：Based on the travelling data obtained in S101, with physics Critical Region of Pursue Problem algorithm, complete from car and traveling ahead
The collision of vehicle is estimated；
S103：Determination is estimated by collision and there is risk of collision from car and traveling ahead vehicle, with conservation of energy principle,
The law of electromagnetic induction, calculates the voltage needed for obtaining the startup of magnetic force generating means and useful effect；
S104：Power supply starting signal and voltage data information are sent to from the adjustable source of car, meanwhile, by car networking
Driving vehicle sends the enabling signal and regulation data of magnetic buffer device forwards；
S105：Adjustable source receive open and regulated voltage signal after, automatically select the double electromagnetic discs of startup Chinese herbaceous peony or
Double electromagnetic discs or start double electromagnetic discs after the double electromagnetic discs of Chinese herbaceous peony and car simultaneously after car, and adjust voltage swing, the Chinese herbaceous peony from car is double
Electromagnetic disc, same sex magnetic field is formed with after the car of corresponding traveling ahead vehicle between double electromagnetic discs, produces repulsive force, magnetic buffering
System starts effect in two workshops.
Collided under braking action with traveling ahead vehicle when from car, or two vehicle speeds it is equal when, magnetic buffering dress
The adjustable source put is closed, and magnetic buffering terminates.
The present invention realizes that the magnetic buffering system of the above method includes：Data collection module, collision are estimated module, magnetic force and are delayed
Flushing device and car networking.
1st, data collection module, for the travelling data collected from car and traveling ahead vehicle, including：Velocity sensor 5,
Range sensor 6, roadside device and pressure sensor.Meanwhile, data collection module can carry out data letter by vehicle net environment
The interaction of breath：Car speed and traveling ahead car are obtained from by velocity sensor 5, range sensor 6, pressure sensor from car
Following distance and vehicle load while by car networking environment to road measuring device transfer from car and traveling ahead vehicle plus
Speed, with the interconnection of traveling ahead vehicle, obtains the speed of traveling ahead vehicle.
Wherein, vehicle-wheel speed sensor 5 is installed on the vehicle wheel wing of vehicle；Range sensor 6 is laser range sensor,
On headstock bumper；Pressure sensor has multiple, is respectively arranged under in-car seat, for measuring vehicle load；Road
Measurement equipment is then distributed in by runway, is used to measure the acceleration from car and traveling ahead vehicle.
2nd, module is estimated in collision, is estimated from whether car and traveling ahead vehicle have risk of collision for calculating.Based on data
The travelling data that collection module is obtained, is calculated by physics Critical Region of Pursue Problem, realizes that collision is estimated, and confirms vehicle and traveling ahead car
Whether there is risk of collision between.Wherein, the computational methods of physics Critical Region of Pursue Problem are as follows：
l0=l1+l (2)
v01=v0+a0t,v11=v1+a1t (3)
v01≤v11, and a1＞ 0, | a0|≤a1Or a0≤a1≤0 (4)
In formula, v0、a0It is respectively the speed and acceleration from car of data collection module acquisition, unit：Respectively meter per second, rice/
Square metre；v1、a1It is respectively the speed and acceleration of the traveling ahead vehicle that data collection module is obtained, unit is ibid；l0、l1
It is respectively the range of driving from car and traveling ahead vehicle in the t time periods, unit：Rice；L be data collection module obtain from car with it is preceding
The following distance of square driving vehicle, unit is ibid；v01、v11It is respectively the speed from car and traveling ahead vehicle after the t times, unit：
Meter per second；T is the time interval that current time collides to two cars, unit：Second.
Obtained by formula (1) and formula (2) assume from car and traveling ahead vehicle meet when time t value, will meet
Time t substitute into that formula (3) calculates from car and speed v of traveling ahead vehicle when assuming that two cars meet01、v11, then will meet
When from the speed v of car and traveling ahead vehicle01、v11Substitute into formula (4), when substitute into result coincidence formula (4) when, then from car with
Traveling ahead vehicle collisionless is dangerous, when substitution result does not meet formula (4), has collision to endanger from car and traveling ahead vehicle
Danger.
3rd, magnetic buffer device, data conversion calculating, the defeated receipts of signal and magnetic force generation for system magnetic-electricity.Including：1)
Magnetic-electricity modular converter, for the magnetic force needed for system to be converted into the voltage data that system opens simultaneously normal work；
2) signal transmission and receiving module, including a signal projector module and a signal receiving module.Signal is sent out
Emitter module, while fast and accurately transmitting electric power starting, selection electromagnetic disc, power-on to adjustable source for system
Adjust voltage swing signal and data, while forwards the signal transmission in the magnetic force generating means of driving vehicle with receive mould
The signal and data of regulation voltage swing while block transmission electric power starting, selection electromagnetic disc, power-on.Signal receives mould
Block, for receiving magnetic buffer device open signal and related data information.
3) adjustable source 9, the power-on for receiving signal transmission module is switched, selection magnechuck, regulation electricity
The signal of size is pressed, for magnetic force generating means provide electric energy and power.Adjustable source 9 is the charge power supply of green energy conservation, its
An electric energy supply part is obtained by charging, and another part passes through electromagnetic disc inner-core vertical tremor, iron core when driving
The helical of whole body winding does cutting magnetic line life electricity storage and obtains.Adjustable source 9 includes；One intelligent two-way switch, respectively
Circuit line after the double electromagnetic discs 7 of connection Chinese herbaceous peony and car where double electromagnetic discs 8；One signal receiver module receives electricity to single line
Source working signal.
Adjustable source 9 is installed on chassis medium position, and constituting circuit with forward and backward pair of electromagnetic disc respectively connects, together
When carry out single line with signal transmission and receiving module and be connected.
Further, the course of work of adjustable source 9 is：The signal receiving module of adjustable source 9 receives signal
After the signal that transmission is launched with the signal emission module of receiving module, where intelligent two-way switch gets to target electromagnetic disk from neutral
Circuit, while the voltage swing of power supply is adjusted on the basis of transmitting data-signal, device is realized path.
4) electromagnetic disc, detailed configuration is shown in Fig. 4.After circuit is connected, solenoid wire is powered, middle semi-shaped magnetic core
Magnetisation, the magnetic field of same polarity is produced from double electromagnetic discs 8 after double cars of the electromagnetic disc 7 with traveling ahead vehicle of car Chinese herbaceous peony between any two,
So as to be produced " repulsive force " that hinders two cars to collide in two workshops；The vertical pivot length of semi-shaped magnetic core is more than and leads simultaneously
The winding iron core vertical pivot of line 3 position forms solenoidal pipe range, and the upper and lower transverse axis of iron core 1 is equipped with two springs 4 respectively, and spring 4 is equal
Be fixed on vertically on the insulation protective jacket 2 of electromagnetic disc overcoat, length be equal to iron core about 1 transverse axis apart from insulation protective jacket 2
Vertical distance, therefore, when buffer unit do not start and automobile in motion, particularly when road traveling is jolted, magnetic core
Vertical pivot part in solenoid up and down vertical motion (while the spring 4 installed up and down can play a protective role to magnetic core
The trend that extension magnetic core moves up and down), conductor cutting magnetic force lines life electricity, power supply collects electric energy, for the startup of device is provided
Energy.
Wherein, the double electromagnetic discs 7 of Chinese herbaceous peony that vehicle is equipped with are separately mounted to the right and left in Chinese herbaceous peony bumper bar position, Che Hou
After double electromagnetic discs 8 are arranged on car, electromagnetic disc 8 is parallel with truck drive shaft with the line that the Chinese herbaceous peony electromagnetic disc 7 on same side is formed after car,
Two parallel lines for being formed from power transmission shaft institute online with a distance from position it is equal, in 0.4m~0.6m.
5) car networking, it is possible to achieve Che Yuche, car are interacted with sensing equipment etc., realizes that car is mutual with car, the interconnection of Che Yu roads
It is logical to realize information sharing.In magnetic buffering system of the invention, vehicle, road measuring device are interconnected by car networking, are realized
The transmission of data is shared.
Magnetic buffer device uses conservation of energy principle, the law of electromagnetic induction, carries out the conversion of magnetic-electricity and calculates, will from car with
The exercise data of traveling ahead vehicle is converted into offer needed for the adjustable source that magnetic buffer device starts and normally acts on
Voltage swing.
Wherein, a kind of magnetic-electricity conversion calculating side for starting magnetic buffering system from the case of car brake force deficiency in vehicle
Method is as follows：
v11=v02 (5)
W0=4W (7)
U=IRx (11)
In formula, m0It is from the current gross mass of car, unit：Kilogram；v11It is to be braked in unlatching magnetic buffer device from car
Target velocity afterwards, unit：Meter per second；W0It is external force to from car work, unit：It is burnt；W is magnetic after magnetic buffer device is opened
The total work that power is done, unit is ibid；F be powered-on after from the electromagnetic disc same polarity magnetic field of car effect corresponding with traveling ahead vehicle
The repulsive force of generation, unit：Newton；BδIt is the air gap flux density between correspondence effect magnechuck, unit：Tesla；δ1It is car
Between distance, unit：Rice；D is the diameter of magnechuck, unit：Rice；I is the size of current that device is produced, unit：Ampere；
N is conductor loop in electromagnet component around the number of turn；RxIt is the all-in resistance of device, unit：Ohm；U starts for magnetic buffer device
And the demand voltage of normal work, unit：Volt.
Complete the conversion of magnetic-electricity to calculate, after obtaining operating voltage, the information reception of device and transport module are to from the adjustable of car
Economize on electricity source sends the signal of electric power starting, magnechuck selection and voltage swing regulation, while pass through car networking environment, forwards
The information of driving vehicle is received and transport module sends the unlatching of vehicle magnetic buffering magnetic flux, adjustable source is opened, magnechuck is selected
Select and voltage swing regulation signal；
After completing the signal transmission of above-mentioned steps and receiving, the adjustable source 9 of magnetic buffering system will be operated.From
The adjustable source 9 of car will be turned on the power switch, and the complete loops being connected with the double electromagnetic discs 7 of Chinese herbaceous peony be formed, while adjusting voltage
Size；The adjustable source 9 of traveling ahead vehicle will be turned on the power switch, and be connected to form complete loops with double electromagnetic discs 8 after car,
Voltage swing is adjusted simultaneously.
One specific implementation calculates case：
The magnetic buffering system of the specific implementation case provides a kind of magnetic buffer device, including：One can provide 240 volts
The adjustable source of voltage；Two groups are separately mounted to the double electromagnetic discs after Chinese herbaceous peony and car in guard, and wherein electromagnetic disc is by electromagnetism
Iron, outer protective cover, spring is constituted.Electromagnet by semi-shaped, section diametrically 40mm discs, vertical extension is 650mm, laterally
Length is constituted for the pure iron core and the outer wire that twines of 60mm.Diameter of wire is the outsourcing paint copper conductor of 0.45mm, and the winding number of turn is
1400, termination is connected with the target interface of adjustable source respectively.Outer cover protective case is by general hardness electromagnetic shielding material, dress
Put a width of 800mm*80mm*40mm of vertical dimension * high * long.Spring gauge is ICM130F 08.Device all-in resistance is led by copper
The resistance calculations of line are about 15 Ω.
It is existing from car and traveling ahead vehicle, the travelling data that data collection module passes through sensor collection to two cars:From
Car is respectively with the travel speed of traveling ahead：16m/s, 12m/s, car weight are 1000kg, and travel acceleration is respectively -5m/
s2、0m/s2, it is 1m from the following distance of car and traveling ahead vehicle；Collision estimates module unlatching and estimates test and appraisal calculating, measures and is working as
Under preceding driving states, when two cars distance is for 0m, 14.78m/s, 12m/ are respectively from the road speed of car and traveling ahead vehicle
S, so two cars have risk of collision；There is risk of collision, magnetic force from car and traveling ahead vehicle through what module survey was estimated in collision
The correlation module of buffer unit is opened, and carries out the correlation data calculation of magnetic-electricity modular converter:
v11=v02=12m/s
IN≈6300A
I=4.5A
U=IRx=15*4.5=67.5V
System completes magnetoelectricity conversion and calculates, and the related data of the open signal of magnetic force generating means and power-on is passed through
Signal transmission conveys to the signal for receiving template and traveling ahead vehicle from the power supply signal of car with receiver module and receives template, two
Car is while power-on, beats to the double electromagnetic disc circuits of Chinese herbaceous peony, the powered electromagnetic valve of traveling ahead vehicle from the powered electromagnetic valve of car
Beat to double electromagnetic discs after car, the closed-loop path of difference forming apparatus.Systemic effect, the electromagnetic disc of relative effect produces same polarity magnetic
, so as to produce " repulsive force " between car and traveling ahead vehicle, hinder the relative motion of vehicle.When onboard sensor is measured
The following distance of two cars is 0m, or from the road speed of car be less than traveling ahead vehicle when, power-off, magnetic buffering system stops
Effect, so as to reach avoid vehicle between collide or reduces vehicle collision lose purpose.
Meanwhile, when the vehicle in stream of driving a vehicle to adjacent vehicle after open system when having running disorder, in coverage
All vehicles can open said system, with reach balance wagon flow purpose.
Claims (9)
1. module, magnetic buffering are estimated in vehicle collision transient state kinetic energy abatement magnetic buffering system, including data collection module, collision
Device and car networking, it is characterised in that data collection module is obtained from car and front row by onboard sensor and roadside device
The travelling data of vehicle is sailed, and is transferred to car networking respectively and module is estimated in collision；Module analysis from car and front are estimated in collision
The travelling data of vehicle, when the relative distance between vehicle is less than 1m, with physics Critical Region of Pursue Problem algorithm, is carried out from car and front
The collision of driving vehicle is estimated；Magnetic buffer device includes the magnetic-electricity modular converter being sequentially connected, signal transmission and receives mould
Block, adjustable source and electromagnetic disc, wherein, magnetic-electricity modular converter is connected to the collision and estimates module, signal transmission and receiving
Module is connected to the car networking.
2. vehicle collision transient state kinetic energy according to claim 1 cuts down magnetic buffering system, it is characterised in that described vehicle-mounted
Sensor includes velocity sensor, range sensor and pressure sensor, and velocity sensor is installed on the vehicle wheel wing of vehicle,
Range sensor is arranged on headstock bumper, and pressure sensor is installed under in-car seat.
3. vehicle collision transient state kinetic energy according to claim 1 cuts down magnetic buffering system, it is characterised in that described adjustable
Economize on electricity source includes intelligent two-way switch and signal receiver module, wherein, intelligent two-way switch and the electromagnetic disc connection,
Signal receiver module and the signal transmission are connected with receiving module.
4. vehicle collision transient state kinetic energy according to claim 3 cuts down magnetic buffering system, it is characterised in that described adjustable
Economize on electricity source is charge power supply, is installed on chassis medium position.
5. vehicle collision transient state kinetic energy according to claim 1 cuts down magnetic buffering system, it is characterised in that the electromagnetism
Disk uses the vertical pivot length of semi-shaped magnetic core, semi-shaped magnetic core to form spiral shell more than wire winding magnetic core vertical pivot position
The pipe range of spool；The upper and lower transverse axis of the semi-shaped magnetic core is equipped with two springs respectively, and spring is fixed on electricity vertically
The insulation protection of disk overcoat puts；The length of the spring is equal to magnetic core transverse axis to the vertical distance of insulation protective jacket.
6. vehicle collision transient state kinetic energy according to claim 1 cuts down magnetic buffering system, it is characterised in that the electromagnetism
Disk uses double electromagnetic discs, after being separately mounted to Chinese herbaceous peony and car；The line and automobile formed with the electromagnetic disc of side after Chinese herbaceous peony and car
Power transmission shaft is parallel, two parallel lines that two side electromagnetic discs are formed to power transmission shaft position online distance it is equal, be 0.4m~
0.6m。
7. vehicle collision transient state kinetic energy cuts down magnetic buffering method, it is characterised in that comprise the following steps：
Step 1, data collection module is obtained from the driving number of car and traveling ahead vehicle by onboard sensor and roadside device
According to, and by car networking realize vehicle between and vehicle and road measuring device data message interact；
Step 2, what collision estimated that module transmits to data collection module is analyzed from car with the travelling data of front vehicles, when
When relative distance between vehicle is less than 1m, with physics Critical Region of Pursue Problem algorithm, carry out pre- with the collision of traveling ahead vehicle from car
Estimate, if it is determined that when there is risk of collision from car and traveling ahead vehicle, the magnetic-electricity for transmitting information to magnetic buffer device turns
Mold changing block；
Step 3, with conservation of energy principle and the law of electromagnetic induction, magnetic-electricity modular converter is by the magnetic needed for magnetic buffer device
Power is converted into the voltage data that magnetic buffer device opens simultaneously normal work, and sends power initiation to from the adjustable source of car
Signal and voltage data information, meanwhile, signal transmission and the receiving module of magnetic buffer device are travelled forwards by car networking
Vehicle sends the enabling signal and regulation data of magnetic buffer device；
Step 4, adjustable source automatically selects the unlatching of electromagnetic disc, and adjust electricity after unlatching and regulated voltage signal is received
Pressure size, from same sex magnetic field is formed between the Chinese herbaceous peony electromagnetic disc and electromagnetic disc after the car of corresponding traveling ahead vehicle of car, produces
Repulsive force, magnetic buffering effect is started in two workshops；
Step 5, collides with traveling ahead vehicle when from car under braking action, or two vehicle speeds it is equal when, magnetic buffering
The adjustable source of device is closed, and magnetic buffering terminates.
8. vehicle collision transient state kinetic energy according to claim 7 cuts down magnetic buffering method, it is characterised in that the step
In 2, the circular of physics Critical Region of Pursue Problem algorithm is as follows：
l0=l1+l (2)
v01=v0+a0t,v11=v1+a1t (3)
v01≤v11, and a1＞ 0, | a0|≤a1Or a0≤a1≤0 (4)
In formula, v0、a0It is respectively the speed and acceleration from car of acquisition in step 1；v1、a1Before being obtained in step 1 respectively
The speed and acceleration of square driving vehicle；l0、l1It is respectively the range of driving from car and traveling ahead vehicle in the t time periods；L is step 1
The following distance from car and traveling ahead vehicle of middle acquisition；v01、v11It is respectively the car from car and traveling ahead vehicle after the t times
Speed；T is the time interval that current time collides to two cars；
Time interval t values are obtained by formula (1) and formula (2), t values then are substituted into formula (3) calculates from car and front row
Sail the speed v of vehicle01、v11, then by speed v01、v11Substitute into formula (4), when substitute into result coincidence formula (4) when, then from car with
Traveling ahead vehicle collisionless is dangerous, when substitution result does not meet formula (4), has collision to endanger from car and traveling ahead vehicle
Danger.
9. vehicle collision transient state kinetic energy according to claim 7 cuts down magnetic buffering method, it is characterised in that the step
In 4, adjustable source includes intelligent two-way switch and signal receiver module, wherein, intelligent two-way switch and electromagnetic disc circuit
Connection, signal receiver module and signal transmission are connected with receiving module；The specific work process of the adjustable source is：Letter
After number receiver module receives signal transmission and the transmission signal of receiving module, intelligent two-way switch gets to target electricity from neutral
Circuit where disk, while the voltage swing of power supply is adjusted on the basis of transmitting data-signal, makes magnetic buffer device
Realize path.
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| CN107298066A (en) * | 2017-07-13 | 2017-10-27 | 张高诚 | Family car electromagnetic anti-collision device |
| CN107628026A (en) * | 2017-09-20 | 2018-01-26 | 深圳地平线机器人科技有限公司 | Vehicle intelligent collision method, vehicle intelligent collision device and electronic equipment |
| CN108382338A (en) * | 2018-03-12 | 2018-08-10 | 黄河科技学院 | A kind of automobile with intelligent protection function |
| CN108422985A (en) * | 2018-03-12 | 2018-08-21 | 黄河科技学院 | A kind of automobile intelligent brake gear |
| CN108573357A (en) * | 2018-05-08 | 2018-09-25 | 清华大学 | Driving risk real time evaluating method based on equivalent force and its device |
| CN110040089A (en) * | 2019-04-25 | 2019-07-23 | 浙江吉利控股集团有限公司 | A kind of side-collision-prevention device based on magnetic induction principle |
| WO2019185045A1 (en) * | 2018-03-30 | 2019-10-03 | 北京钛方科技有限责任公司 | Transport device collision detection, alarm, and guard method |
| CN110497907A (en) * | 2019-09-12 | 2019-11-26 | 深圳市元征科技股份有限公司 | A kind of vehicle collision means of defence, device, equipment and storage medium |
| CN110901654A (en) * | 2018-08-27 | 2020-03-24 | 常州信息职业技术学院 | Control method and device for carrying device |
| CN112373381A (en) * | 2018-12-10 | 2021-02-19 | 安徽共生众服供应链技术研究院有限公司 | Operation method of new energy logistics vehicle capable of preventing cargo collision |
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| CN108382338A (en) * | 2018-03-12 | 2018-08-10 | 黄河科技学院 | A kind of automobile with intelligent protection function |
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| CN110040089A (en) * | 2019-04-25 | 2019-07-23 | 浙江吉利控股集团有限公司 | A kind of side-collision-prevention device based on magnetic induction principle |
| CN110497907A (en) * | 2019-09-12 | 2019-11-26 | 深圳市元征科技股份有限公司 | A kind of vehicle collision means of defence, device, equipment and storage medium |
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