CN207752649U - Parking lot state monitoring apparatus based on Collaborative environment perception - Google Patents
Parking lot state monitoring apparatus based on Collaborative environment perception Download PDFInfo
- Publication number
- CN207752649U CN207752649U CN201721844357.3U CN201721844357U CN207752649U CN 207752649 U CN207752649 U CN 207752649U CN 201721844357 U CN201721844357 U CN 201721844357U CN 207752649 U CN207752649 U CN 207752649U
- Authority
- CN
- China
- Prior art keywords
- parking
- parking lot
- geomagnetic
- environment
- collaborative environment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Traffic Control Systems (AREA)
Abstract
The utility model proposes a kind of parking lot state monitoring apparatus based on Collaborative environment perception, the device constitutes dynamic cooperative environment sensing cluster to perceive the geomagnetic parameter of environment to be measured using multiple sensors, the measurement data of each sensor in Collaborative environment perception cluster is collected by Geomagnetic signal aggregation node and carries out integrated treatment and judgement, the influence due to environmental disturbances to parking space state testing result is reduced with this, this device and method can accurately monitor parking by simple geomagnetic sensor, driving states can not be by environmental restrictions application and parking lot, it more can apply to have in the large-scale public space of carriage way.
Description
Technical field
The utility model belongs to the technical field of information processing of intelligent transportation aspect sensor.More particularly to a kind of based on association
Make the parking lot state monitoring apparatus of environment sensing.
Background technology
With the rapid growth of China's economy, the ownership of automobile also increases sharply, the automobile quantity especially in city
The problem of surge causes parking stall quantity nervous, parking difficulty becomes increasingly conspicuous.Vehicle parking problem has become influence urban transportation
An important factor for, main problem is as follows：It nowhere stops, break rules and regulations road occupying, unattended, security administration etc..And these problems are often
It can be ignored so that city falls into chaos situation unbearably.
Many parking lots or parking stall also rest on the labor management stage at present, completely by manually checking parking stall, artificial
Record access time, manual toll collection, and in large-scale parking lot or meet peak period, manual type management often power not from
The heart.Manual toll collection is short of management supervision again, it is easy to which there is a situation where claim for charge at random.Therefore parking resource is excavated, establishes and is based on city
The intelligent parking supervisory systems that city manages big data platform is extremely urgent, has in smart city construction from now on wide
Wealthy foreground.
Main dead ship condition detection scheme has currently on the market：Ground induction coil, ultrasonic wave, infrared induction and video detection
Deng.Ground induction coil can not be applied to parking lot due to the shortcomings of construction is not easy, road pavement destruction is big, difficult in maintenance.Ultrasonic wave compared with
Easily affected by environment, stability is insufficient, often causes accuracy of detection to reduce because of the sensitivity decrease of probe.Infrared induction equally by
Environment influences, and the especially light and shade in the headlight of automobile and parking lot variation often causes flase drop.It ultrasonic wave and infrared can not answer
For open parking ground.The accuracy of detection of video detection is not current still high, and cost is higher.
For the dead ship condition monitoring method of geomagnetic sensor mode, because its physical characteristic is highly susceptible to adjacent vehicle
The interference of position vehicle, the data of detection are the magnetic field intensity after all vehicle joint effects in periphery in fact, and such magnetic field is strong
Magnetic field intensity that spending influences with single parking stall vehicle is obviously distinguishing, and vehicle detection is done with such data, acquisition
As a result and it is inaccurate.
The prior art attempts to solve the above problems by introducing other vehicle interference value, but is still based on unit/terminal perception
Signal is handled and is adjudicated.It by single-sensor geomagnetic data changes thresholding to judge to have vehicle/dry without vehicle and other vehicle
It disturbs.It finds after tested, surrounding environment change is easy to interfere with the numerical value of geomagnetic sensor to cause to judge to malfunction.
Utility model content
In order to solve the above problems, the utility model proposes proposes a kind of dead ship condition prison perceived based on Collaborative environment
Survey device.The utility model constitutes dynamic cooperative environment sensing cluster using multiple sensors and joins to perceive the earth magnetism of environment to be measured
Number.The measurement data of each sensor in Collaborative environment perception cluster is collected by Geomagnetic signal aggregation node and carries out General Office
Reason and judgement.The influence due to environmental disturbances to parking space state testing result is reduced with this.
A kind of parking lot state monitoring apparatus based on Collaborative environment perception of the utility model design, including parking lot
Ground includes parking stall and carriage way on parking space, geomagnetic sensor, the row is equipped on each parking stall
Geomagnetic sensor is evenly equipped on each track on track road, and the geomagnetic sensor on track prolongs 5-6 meters of direction of traffic interval and sets
It sets, the geomagnetic sensor is connect with earth magnetism comparator, and the earth magnetism comparator connects with wisdom parking management server
It connects, parking space passage indicator is also associated on wisdom parking management server.
Further embodiment is that the parking stall is equipped with positioning indicator, and the carriage way is equipped with electronics
Current direction board, positioning indicator are connect with wisdom parking management server signal with electronics passage direction board.
A kind of monitoring method of parking lot state monitoring apparatus as described above based on Collaborative environment perception, including it is initial
Each geomagnetic sensor is arranged to a node, node is divided into different environment according to geographical location principle by change system
Perceive cluster；Each Centroid there are one environment sensing clusters, as so-called node to be measured, whereinFor with center section to be measured
The set of the label of the node of the corresponding Collaborative environment perception cluster of point,WithRespectively i-th
Three coordinate value of geographical location of node and center node to be measured；
Then the geomagnetic data of current geomagnetic sensor installation site point is measured under ideal without car state；It measures current
It geomagnetic data value and is averaged under environment, to obtain background magnetic field value (x0y0z0), it can be expressed as：
Wherein (x, y, z) is to measure obtained geomagnetic data, N1For for average sampled point number, can take 10~
100, using this data as the geomagnetic data of ideal background environment, ideal without car state refers on position to be detected and surrounding is all
In without car state；
After completing background earth magnetism environment learning, system enters dead ship condition monitoring pattern, defines the same cooperation first
Environment sensing cluster shares M sensor node, and the initial background magnetic field value of each node is respectively1≤i
≤ M, it is assumed that parking stall to be detected corresponds to m-th of node, in Collaborative environment perceives cluster, under current state other than node to be measured altogether
It is to have vehicle, label set to be denoted as to have K node stateG node state is no vehicle, and label set is denoted asIt is aobvious
So there is K+G=M-1, definesFor the magnetic field value that m-th of node the n-th moment measurement obtains, then magnetic field deviation
Each node in Collaborative environment perception cluster periodically measures the magnetic field value on current measurement position, and the period can
It is set as 1 second~5 minutes, when current measurement value reports the absolute value of value to be more than thresholding Th with the last time, will currently measure knot
Fruit reports wisdom parking management server, that is, works as：When, i-th of node reporting measurement value, threshold ThIt can root
Factually measured data is set as 5~20,
Wisdom parking management server computing environment interference valueDecision threshold value
Wisdom parking management server to the parked state on Centroid make decisions according to following formula：When the condition is set up, it is judged to have vehicle on the corresponding parking stall of Centroid sensor
Resident, no person is judged to that no vehicle is resident, and wherein α is the proportionality coefficient set according to test data, it generally may be configured as 0.7~
0.9。
Further embodiment is that the determination method of the environment sensing cluster is using Centroid as the center of circle, and radius is r's
All nodes for being included in circle constitute an environment sensing cluster, i.e.,：
Compared with prior art, obtained by the utility model based on Collaborative environment perception parking lot state monitoring apparatus with
Monitoring method monitors the state whether there is or not parking by the way that multiple earth inductors are grouped together into environment sensing cluster, from
And improve the monitoring accuracy of the parked state under complex environment.This monitoring device is greatly higher than existing list due to accuracy
The monitoring effect of a earth inductor is also substantially higher than the monitoring mode that interference is reduced by the earth inductor of adjacent position.
Since the utility model has used the set of environment sensing cluster, the shadow for the GEOMAGNETIC CHANGE that adjacent position parking is brought can be not only rejected
It rings, moreover it is possible to some GEOMAGNETIC CHANGE interference caused by GEOMAGNETIC CHANGE caused by non-parking in special circumstances are rejected, to pass through letter
The wisdom parking management server on single earth inductor cooperation backstage completes accurate parking monitoring.The present apparatus is being driven a vehicle simultaneously
Also it has installed earth inductor on road additional, on the one hand environment sensing cluster has been enable further to reject the vehicle pair travelled on track
Monitoring interference caused by the GEOMAGNETIC CHANGE of parking stall, on the other hand also can further monitor the service condition in entire parking lot,
The information of carriage way and parking stall is aggregated into parking space to pass through on indicator, facilitates management and operation, to improve
The efficiency of driving and parking.This parking lot state monitoring apparatus and monitoring method based on Collaborative environment perception, actually not
But the monitoring function for containing parking stall also contains the monitoring function of carriage way, is not only to pass through flow and parking
The supposition for the case where position parking quantity is to carriage way, but complete accurate monitoring, can accurately judge on carriage way
There is vehicle in where, is based on the accurate monitoring, and this technology can not only apply and parking lot, and what can more be promoted is small comprising road
Area, garden etc. include that can be generalized to entire city in the case where economic condition allows under the public environment of road.
Description of the drawings
Fig. 1 is the utility model parking space structural schematic diagram.
Fig. 2 is the frame construction drawing of the utility model monitoring device.
Fig. 3 is the utility model monitoring method flow chart.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.
Embodiment 1.
As shown in Figs. 1-2, the parking lot state monitoring apparatus based on Collaborative environment perception of the present embodiment description, including stop
Parking lot 1, include parking stall 2 and carriage way 3 on parking space 1, geomagnetic sensor be equipped on each parking stall 2
4, geomagnetic sensor 4 is evenly equipped on each track of the carriage way 3, and the geomagnetic sensor 4 on track prolongs driving side
To the setting of 5-6 meters of interval, the geomagnetic sensor 4 is connect with earth magnetism comparator 5, the earth magnetism comparator 5 and wisdom
Parking management server 6 connects, and parking space passage indicator 7 is also associated on wisdom parking management server 6.
Wherein, the parking stall 2 is equipped with positioning indicator 8, and the carriage way 3 is equipped with electronics passage instruction
Board, positioning indicator 8 are connect with 6 signal of wisdom parking management server with electronics passage direction board.
As shown in figure 3, a kind of monitoring side of parking lot state monitoring apparatus as described above based on Collaborative environment perception
Method, including initialization system, are arranged to a node by each geomagnetic sensor, node are divided into according to geographical location principle
Different environment sensing clusters；Each Centroid there are one environment sensing clusters, as so-called node to be measured, whereinIt is somebody's turn to do to be same
The set of the label of the node of the corresponding Collaborative environment perception cluster of center node to be measured,With
Three coordinate value of geographical location of respectively i-th of node and center node to be measured；The determination method of the environment sensing cluster
It is using Centroid as the center of circle, radius constitutes an environment sensing cluster by all nodes for including, i.e., in the circle of r：
Then the geomagnetic data of current geomagnetic sensor installation site point is measured under ideal without car state；It measures current
It geomagnetic data value and is averaged under environment, to obtain background magnetic field value (x0y0z0), it can be expressed as：
Wherein (x, y, z) is to measure obtained geomagnetic data, N1It, will for for average sampled point number, 20 can be taken
Geomagnetic data of this data as ideal background environment, ideal without car state refers on position to be detected and surrounding is at nothing
Car state；
After completing background earth magnetism environment learning, system enters dead ship condition monitoring pattern, defines the same cooperation first
Environment sensing cluster shares M sensor node, and the initial background magnetic field value of each node is respectively1≤i
≤ M, it is assumed that parking stall to be detected corresponds to m-th of node, in Collaborative environment perceives cluster, under current state other than node to be measured altogether
It is to have vehicle, label set to be denoted as to have K node stateG node state is no vehicle, and label set is denoted asObviously
There is K+G=M-1, definesFor the magnetic field value that m-th of node the n-th moment measurement obtains, then magnetic field deviation
Each node in Collaborative environment perception cluster periodically measures the magnetic field value on current measurement position, and the period can
It is set as 30 seconds, when current measurement value reports the absolute value of value to be more than thresholding Th with the last time, current measurement is reported
Wisdom parking management server, that is, work as：When, i-th of node reporting measurement value, threshold ThIt can be according to actual measurement
Data are set as 5~20,
Wisdom parking management server computing environment interference valueDecision threshold value
Wisdom parking management server to the parked state on Centroid make decisions according to following formula：When the condition is set up, it is judged to have vehicle on the corresponding parking stall of Centroid sensor
Resident, no person is judged to that no vehicle is resident, and wherein α is the proportionality coefficient set according to test data, it generally may be configured as 0.7~
0.9。
After being monitored by the above method, the data that monitoring is obtained, reaction is to parking space passage indicator and state
Indicator to show the service condition of parking space, and facilitates flow and the direction of manager's control parking space.
Claims (2)
1. a kind of parking lot state monitoring apparatus based on Collaborative environment perception, including parking space includes stopping on parking space
Parking stall and carriage way, it is characterized in that the parking stall is equipped with geomagnetic sensor, each track of the carriage way
On be evenly equipped with geomagnetic sensor, and the geomagnetic sensor on track prolongs the setting of 5-6 meters of direction of traffic interval, earth magnetism sensing
Device is connect with earth magnetism comparator, and the earth magnetism comparator is connect with wisdom parking management server, wisdom parking management clothes
Parking space passage indicator is also associated on business device.
2. the parking lot state monitoring apparatus according to claim 1 based on Collaborative environment perception, it is characterized in that described
Parking stall is equipped with positioning indicator, and the carriage way is equipped with electronics passage direction board, and positioning indicator is logical with electronics
Row direction board is connect with wisdom parking management server signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721844357.3U CN207752649U (en) | 2017-12-26 | 2017-12-26 | Parking lot state monitoring apparatus based on Collaborative environment perception |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721844357.3U CN207752649U (en) | 2017-12-26 | 2017-12-26 | Parking lot state monitoring apparatus based on Collaborative environment perception |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207752649U true CN207752649U (en) | 2018-08-21 |
Family
ID=63150637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721844357.3U Active CN207752649U (en) | 2017-12-26 | 2017-12-26 | Parking lot state monitoring apparatus based on Collaborative environment perception |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207752649U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109523805A (en) * | 2018-11-12 | 2019-03-26 | 张明荣 | A kind of vehicle is in position detecting method and device |
| CN109671293A (en) * | 2018-12-28 | 2019-04-23 | 数源科技股份有限公司 | A kind of Collaborative environment perception dead ship condition monitoring method based on distance vector weighting |
| CN111653104A (en) * | 2020-07-13 | 2020-09-11 | 深圳华强技术有限公司 | Magnetic field baseline self-maintenance method and device, computer equipment and storage medium |
-
2017
- 2017-12-26 CN CN201721844357.3U patent/CN207752649U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109523805A (en) * | 2018-11-12 | 2019-03-26 | 张明荣 | A kind of vehicle is in position detecting method and device |
| CN109671293A (en) * | 2018-12-28 | 2019-04-23 | 数源科技股份有限公司 | A kind of Collaborative environment perception dead ship condition monitoring method based on distance vector weighting |
| CN111653104A (en) * | 2020-07-13 | 2020-09-11 | 深圳华强技术有限公司 | Magnetic field baseline self-maintenance method and device, computer equipment and storage medium |
| CN111653104B (en) * | 2020-07-13 | 2022-04-19 | 深圳华强技术有限公司 | Magnetic field baseline self-maintenance method and device, computer equipment and storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN207752649U (en) | Parking lot state monitoring apparatus based on Collaborative environment perception | |
| CN106960580B (en) | A kind of method for detecting parking stalls based on geomagnetic sensor | |
| CN106097755A (en) | For identifying the method parked place and/or vacate place | |
| CN106373426A (en) | Computer vision-based parking space and illegal lane occupying parking monitoring method | |
| CN103065494B (en) | Free parking space detection method based on computer vision | |
| CN105931458B (en) | A kind of method of road traffic flow detection device reliability assessment | |
| CN100454355C (en) | Video method for collecting information of vehicle flowrate on road in real time | |
| CN105825705B (en) | Parking stall measure and guidance system and method | |
| GB2569752A (en) | Method for detecting human traffic in public place by using Wi-Fi probe | |
| CN104933871B (en) | Method and system for detecting traffic vehicles | |
| CN103456172A (en) | Traffic parameter measuring method based on videos | |
| CN107978174A (en) | The parking lot state monitoring apparatus and monitoring method perceived based on Collaborative environment | |
| CN204463467U (en) | A kind of laser type parking site detecting system | |
| CN102722987A (en) | Roadside parking space detection method | |
| CN103236188A (en) | Wireless magnetoresistive sensor network-based collaborative decision-making parking detection method | |
| CN103942965A (en) | Geomagnetic vehicle detector | |
| CN105513362A (en) | Method for evaluating and verifying running state of bus in area adjacent to bus stop | |
| CN103050014A (en) | Traffic speed detection system and detection method | |
| CN103942865A (en) | Subway ticket evasion preventing system based on ultrasonic sensor and design method thereof | |
| CN112133106A (en) | Geomagnetic characteristic-based traffic flow detection method and system | |
| CN104966404A (en) | Single-point self-optimization signal control method and device based on array radars | |
| CN105825682B (en) | Earth magnetism vehicle detection apparatus | |
| CN104217591A (en) | Dynamic road condition detecting method and system | |
| CN109920253A (en) | Parking charge method and system based on vehicle regular visit | |
| CN105575166B (en) | A kind of dead ship condition monitoring method detected based on engine to terrestrial magnetic disturbance and device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |