CN110047327A - The method parked based on vehicle parking time guidance vehicle subregion - Google Patents
The method parked based on vehicle parking time guidance vehicle subregion Download PDFInfo
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- CN110047327A CN110047327A CN201910430423.XA CN201910430423A CN110047327A CN 110047327 A CN110047327 A CN 110047327A CN 201910430423 A CN201910430423 A CN 201910430423A CN 110047327 A CN110047327 A CN 110047327A
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/14—Traffic control systems for road vehicles indicating individual free spaces in parking areas
- G08G1/141—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces
- G08G1/142—Traffic control systems for road vehicles indicating individual free spaces in parking areas with means giving the indication of available parking spaces external to the vehicles
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Abstract
Based on the method that vehicle parking time guidance vehicle subregion is parked, the present invention relates to the methods that vehicle subregion is parked.The problem of the purpose of the present invention is to solve existing Parking resource scarcity, drivers to find parking stall difficulty, leads to the utilization efficiency and vehicle parking low efficiency of parking lot space resource.The method process parked based on vehicle parking time guidance vehicle subregion are as follows: step 1: Parking position information publication；Step 2: vehicle parking time acquisition；Step 3: the vehicle parking time acquired based on step 1 Parking position information and step 2, differentiate vehicle parking region；Step 4: the vehicle parking region differentiated based on step 3 calculates target parking position；Step 5: the target parking position determined based on step 4 plans optimal parking path；Step 6: parking position information of park is updated.The present invention is used for vehicle subregion Park a Domain.
Description
Technical field
The present invention relates to the methods that vehicle subregion is parked.
Background technique
With being continuously increased for China's car ownership, resulting parking demand is also constantly increasing.It is domestic at present
There is parking supply and the unbalanced phenomenon of parking demand in most parking lots, cause a large amount of parking demands that cannot expire
Foot.And the space in parking lot more than one third has been used as public passage, and the utilization efficiency of parking space resource is caused not have
It brings into play.
In addition, existing parking enterprise schema is that driver independently selects parking position, it is convenient, convenient for original substantially with it
Then.The randomness of this parking position Land use systems, can generate some drawbacks: when free parking space is few in parking lot, parking
Person, which need to take a long time, finds parking stall, causes the time to waste and increase around row distance, and may generate in public passage
Traffic congestion, inefficiency of stopping.
Summary of the invention
The purpose of the present invention is to solve existing Parking resource scarcity, drivers to find parking stall difficulty, leads
The problem of causing the utilization efficiency and vehicle parking low efficiency of parking lot space resource, and propose to be based on vehicle parking time guide car
The method that subregion is parked.
The method detailed process parked based on vehicle parking time guidance vehicle subregion are as follows:
Step 1: Parking position information publication；
Step 2: vehicle parking time acquisition；
Step 3: the vehicle parking time acquired based on step 1 Parking position information and step 2, differentiate vehicle
Parking area；
Step 4: the vehicle parking region differentiated based on step 3 calculates target parking position；
Step 5: the target parking position determined based on step 4 plans optimal parking path；
Step 6: parking position information of park is updated.
The invention has the benefit that
The present invention proposes basis to solve the problems, such as the utilization efficiency and vehicle parking low efficiency of parking lot space resource
The method of public passage space temporary parking when vehicle parking arrangement of time vehicle subregion is parked and utilizes long in parking area,
To improve the utilization efficiency and vehicle parking efficiency of parking lot space resource.
The present invention is additionally arranged temporary parking position when long in the public passage of parking area, can increase by 5%~8% and stop
Parking stall divides Parking position using the vehicle parking time, parks vehicle subregion, and utilizes communication network and real time monitoring
Equipment externally issues vacant parking space information in parking lot in real time, while planning optimal parking position and parking route for user,
It can be improved 12%~15% using this method parking lot vehicle parking efficiency, and the parking for saving user 40% or so is detoured
Time.
Detailed description of the invention
Fig. 1 is Parking region division schematic diagram of the invention；
Fig. 2 be the present invention in short-term, it is middle long when parking area parking stall select exemplary diagram；
Fig. 3 is that parking area parking stall selects exemplary diagram when the present invention is long；
Fig. 4 is that temporary storage region of the present invention parking stall selects exemplary diagram.
Specific embodiment
Specific embodiment 1: the specific mistake of method that present embodiment is parked based on vehicle parking time guidance vehicle subregion
Journey are as follows:
Step 1: Parking position information publication；
Step 2: vehicle parking time acquisition；
Step 3: the vehicle parking time acquired based on step 1 Parking position information and step 2, differentiate vehicle
Parking area；
Step 4: the vehicle parking region differentiated based on step 3 calculates target parking position；
Step 5: the target parking position determined based on step 4 plans optimal parking path；
Step 6: parking position information of park is updated.
Specific embodiment 2: the present embodiment is different from the first embodiment in that, parking lot in the step 1
Parking space information publication；Detailed process are as follows:
Parking information monitoring system (monitor and communication network), real-time monitoring Parking pool are installed in parking lot
Position layout, parking area division, vehicle parking situation, parking stall occupancy situation, vehicle stop the angle of incidence, the vehicle parking time, stop
The information such as vehicle license plate, temporary parking position and fixed parking stall contrast relationship are put, and information real-time Transmission is believed to parking position
Cease database；
According to the utilization obstacle on parking stall in the parking lot of parking position information database record, in over-the-counter parking space information
Electronic display issues remaining parking space number；If there is remaining parking stall, Entrance of opening to the outside world；If without remaining parking stall,
Then close Entrance；
Pass through parking information detection system real-time update parking space information electronic display；
Parking space information electronic display screen displays Parking berth layout, parking area division, vehicle parking situation,
Parking stall occupancy situation, vehicle stop the angle of incidence, vehicle parking time, the license plate that parks cars, temporary parking position and fixed parking stall
The information such as contrast relationship.
Other steps and parameter are same as the specific embodiment one.
Specific embodiment 3: the present embodiment is different from the first and the second embodiment in that, vehicle in the step 2
The acquisition of storage period；Detailed process are as follows:
Entrance install Car license recognition instrument and vehicle parking time acquisition device (side hanging is mounted on the outside of sentry box,
Driver manually selects formula typing), acquisition drives into time, license board information and is expected storage period (driver oneself fills in), and
The data are transmitted to target parking position decision system.
Other steps and parameter are the same as one or two specific embodiments.
Specific embodiment 4: unlike one of present embodiment and specific embodiment one to three, the step 3
In vehicle parking time for being acquired based on step 1 Parking position information and step 2, differentiate vehicle parking region；Specifically
Process are as follows:
Parking position is divided three regions according to the expected storage period length of vehicle by target parking position decision system:
When being 0~6h between when the vehicle is parked, parking area in short-term is chosen；
Between when the vehicle is parked for 7~for 24 hours when, parking area when long in selection；
When being above for 24 hours between when the vehicle is parked, parking area when choosing long；
Temporary parking position is arranged in public passage side when long in parking area, and the set-up mode of temporary parking position is vertical
Directly in fixed parking stall, and establish temporary parking position and it is long when the fixed parking stall of parking area relationship table, it is each interim
Parking stall corresponds to three fixed parking stalls；
Parking area configures removable parking device when long, when the vehicle on temporary parking position blocks on fixed parking stall
When vehicles while passing, removable parking device is controlled by parking attendant, the vehicle on temporary parking position is moved in realization,
Passage space is conceded for vehicles while passing on fixed parking stall, is set back again later；Fixed parking when long in parking area
There is vehicle to sail out of in position, when generating vacant parking stall, movable fixture is controlled by parking attendant, by the vehicle of temporary parking position
Stop in fixed parking stall, concede passage space, number is moved in reduction.Due in short-term, it is middle long when parking area vehicle enter and leave
Frequently, it is contemplated that the fewer the mobile number of vehicle the better on temporary parking position, therefore in short-term, it is middle long when parking area it is public
Channel is not provided with temporary parking position；
Target parking position decision system differentiates the area that the vehicle should be parked according to the vehicle received the expected storage period
Domain, and detect whether the region has remaining parking stall, if there is remaining parking stall, it is parked in the region；If without remaining parking stall,
According to the preferential differentiation logic of target parking position decision system, final vehicle parking region is determined；
Other steps and parameter are identical as one of specific embodiment one to three.
Specific embodiment 5: the target is stopped unlike one of present embodiment and specific embodiment one to four
The preferential differentiation logic of parking stall decision system are as follows:
Construct target parking position decision system: expection storage period and affiliated parking area of the acquisition into vehicle, and sentence
Whether the region of breaking has and can park remaining parking stall, judges whether other regions have according to priority if the region is without remaining parking stall
Remaining parking stall can be parked, is vehicle selected target parking stall according to time of departure phase approximately principle after determining parking area.
If 1) vehicle should be parked in parking area in short-term, parking area does not have vacant parking stall in short-term, in short-term parking area
When parking stall is not able to satisfy parking demand, parking area is shifted when preferential Xiang Zhongchang, secondly to it is long when parking area shift, finally
Just to it is long when parking area in the temporary parking bit transition of public passage side is set；Expression are as follows:
In the parking method for organizing, the selection in vehicle parking region need to consider parking area time limit utilization rate, parking stall
Park cars turnover rate, vehicle parking meets the requirement such as parking area time limit as far as possible, it is expected that parking area time limit utilization rate, stopping
The parking stall turnover rate that parks cars is the bigger the better, and vehicle parking is the smaller the better beyond the time limit, therefore the vehicle of different storage periods exists
It selects to be selected according to priority when parking area.
0~6h considers that parking area time limit utilization efficiency is maximum:
N1+N2+N3+N4=1, N1,N2,N3,N4∈{0,1}
In formula, η is parking area time limit utilization efficiency；T is current vehicle expected storage period, h；T1、T2、T3、T4It is short
When, it is middle long when, it is long when parking area, it is long when parking area the temporary storage region storage period of public passage side is set most
Big value, unit h；N1、N2、N3、N4For in short-term, it is middle long when, it is long when parking area, it is long when parking area be arranged in public passage
Whether the temporary storage region of side has vacant parking stall judgment value, and having vacant parking stall duration is 1, and no vacant parking stall duration is
0；ρ is the probability for needing to move vehicle because of expected storage period fluctuation；
If 2) the parking area when vehicle should be parked in middle long, parking area does not have vacant parking stall when middle long, stops when middle long
Region parking stall is put not to be able to satisfy when parking demand, preferentially to it is long when parking area shift, secondly shifted to parking area in short-term,
Finally just to it is long when parking area in the temporary parking bit transition of public passage side is set；Expression are as follows:
In the parking method for organizing, the selection in vehicle parking region need to consider parking area time limit utilization rate, parking stall
Park cars turnover rate, vehicle parking meets the requirement such as parking area time limit as far as possible, it is expected that parking area time limit utilization rate, stopping
The parking stall turnover rate that parks cars is the bigger the better, and vehicle parking is the smaller the better beyond the time limit, therefore the vehicle of different storage periods exists
It selects to be selected according to priority when parking area.
7~for 24 hours, consider parking area parking stall park cars turnover rate maximum:
N1+N2+N3+N4=1, N1,N2,N3,N4∈{0,1}
In formula, β is that parking area parking stall parks cars turnover rate；Other alphabetical meanings are same as above.
If 3) the parking area when vehicle should be parked in long, parking area does not have vacant parking stall when long, parking area when long
Parking stall is not able to satisfy when parking demand, and parking area shifts when preferential Xiang Zhongchang, is secondly shifted to parking area in short-term, finally
Just to it is long when parking area in the temporary parking bit transition of public passage side is set；Expression are as follows:
In the parking method for organizing, the selection in vehicle parking region need to consider parking area time limit utilization rate, parking stall
Park cars turnover rate, vehicle parking meets the requirement such as parking area time limit as far as possible, it is expected that parking area time limit utilization rate, stopping
The parking stall turnover rate that parks cars is the bigger the better, and vehicle parking is the smaller the better beyond the time limit, therefore the vehicle of different storage periods exists
It selects to be selected according to priority when parking area.
More than for 24 hours, consideration parks cars minimum beyond parking area Parking Time Limit:
Min Z=(t-T1)×N1+(t-T2)×N2+(t-T3)×N3+(t-T4)×N4×(1-ρ)N1+N2+N3+N4=1,
N1,N2,N3,N4∈{0,1}
In formula, parking area storage period maximum value when Z is long, unit h；
Other alphabetical meanings are same as above.
Other steps and parameter are identical as one of specific embodiment one to four.
Specific embodiment 6: unlike one of present embodiment and specific embodiment one to five, it is described because of expection
The probability ρ value that vehicle was fluctuated and needed to move to storage period is ρ≤0.2.
Other steps and parameter are identical as one of specific embodiment one to five.
Specific embodiment 7: unlike one of present embodiment and specific embodiment one to six, the step 4
In based on step 3 differentiate vehicle parking region, calculate target parking position；Detailed process are as follows:
After determining parking area, according to time of departure phase approximately principle, calculates the best of remaining parking stall in the region and park position
It sets, and sends data to parking path planning system；
(1) in short-term, it is middle long when parking area target parking position and its adjacent parking stall the vehicle parking time should meet it is following
Condition:
|ti-ti-1|≤λ, and | ti-ti+1|≤λ,1≤i≤N
If the i value for meeting condition there are n, take
min{Ti'=min | ti-ti-1|,|ti-ti+1|, 1≤i≤n, 1≤n≤N
If the i value without the condition that meets, takes
min{Ti'=min | ti-ti-1|,|ti-ti+1|}},1≤i≤N
In formula, tiFor the vehicle expected time of departure on i-th of vacant parking stall, that is, when driving into the expection of vehicle and sailing out of
Between；ti+1、ti-1For the vehicle expected time of departure on adjacent two parking stall in i-th of vacant parking stall；When λ sails out of for adjacent stalls
Between difference threshold value；N is vacant parking space number；Ti' adjacent thereto stopped for the vehicle expected time of departure on vacant parking stall
Put the minimum value of the vehicle time of departure difference on vehicle parking stall.
Obtain target parking position；
(2) parking area is because being provided with temporary parking position when long, and each temporary parking position corresponds to three fixed parkings
Position is in the relatively target parking position parking stall time of departure adjacent thereto so three, the parking stall of parking area is one group when long
It is not no when meeting phase approximately principle, it should carry out in group relatively.
Assuming that thering is M group to have vacant parking stall in the Q group parking stall of parking area when long, it is assumed that the target of parking area when long
Parking stall is located at jth group, and the corresponding parking position number of jth group is respectively i, i+1, i+2, then in jth group adjacent parking stall vehicle
Storage period should meet the following conditions:
When i is vacant parking stall, need to meet:
|ti-ti+1|≤λ,|ti-ti+2|≤λ
When i+1 is vacant parking stall, need to meet:
|ti+1-ti|≤λ,|ti+1-ti+2|≤λ
When i+2 is vacant parking stall, need to meet:
|ti+2-ti+1|≤λ,|ti+2-ti|≤λ
When the number of the j for the condition that meets is m (1≤m≤M), the j for the condition that meets is divided into three classes, by vacant parking stall
Number is that i divides the first kind into group, and vacant parking stall is numbered in group and divides the second class into for i+1, by vacant parking stall
Number is that i+2 divides third class into group；
It is taken in the first kind
X1=min | ti-ti+1|,|ti-ti+2|}
It is taken in the second class
X2=min | ti+1-ti|,|ti+1-ti+2|}
It is taken in third class
X3=min | ti+2-ti|,|ti+2-ti+1|}
It is final to choose
X=min { X1,X2,X3}
X in formula1、X2、X3It is sailed with interior other parking stalls expection is organized on the hollow remaining parking stall in respectively the first, second and third class parking stall
From time difference minimum value；X is the expected time of departure difference minimum value in other parking stalls in vacant parking stall and group；
Parking area jth group when j corresponding to X at this time, i.e. target parking position are located at long；
When without the j for the condition that meets, according to the above method, M group parking stall is divided into three classes, takes three classes parking stall hollow respectively
Remaining parking stall and the expection time of departure difference minimum value for organizing other interior parking stalls, and selected again from three minimum time differences
It is minimized；The jth group of parking area when j corresponding to minimum value at this time, i.e. target parking position are located at long；
Obtain target parking position；
(3) parking stall that public passage side is arranged in when long in parking area is temporarily arranged, each temporary parking
The position of position all corresponds to three fixed parking stalls, sails out of, is parked in interim not influence parking cars on fixed parking stall
It is as follows that the vehicle time of departure on parking stall need to meet condition:
t′i≤min{t′i1,t′i2,t′i3| i '=1,2 ..., N }-τ
In formula, t 'iFor the vehicle expected time of departure on the i-th ' a vacant temporary parking position, that is, the expection for driving into vehicle is sailed
From the time；t′i1、t′i2、t′i3For the expection time of departure to park cars on the corresponding three fixed parking stalls in temporary parking position；τ
For expected time of departure undulating value；
Since temporary parking position is arranged in public passage region, in order to not influence the use on original parking stall, interim
The parking stall parked vehicle time of departure should be less than the minimum time of departure on its corresponding vertical parking stall；Simultaneously as pre-
Time of departure phase is an estimated time, and in order to reduce the movement of temporary parking position, expected time of departure undulating value τ is arranged；
Obtain target parking position.
Other steps and parameter are identical as one of specific embodiment one to six.
It is described adjacent to stop specific embodiment 8: unlike one of present embodiment and specific embodiment one to seven
The threshold value λ of parking stall time of departure difference takes 0.5h.
Other steps and parameter are identical as one of specific embodiment one to seven.
Specific embodiment 9: the expection is sailed unlike one of present embodiment and specific embodiment one to eight
It is 1h from time fluctuation value τ value.
Other steps and parameter are identical as one of specific embodiment one to eight.
Specific embodiment 10: unlike one of present embodiment and specific embodiment one to nine, the step 5
In based on step 4 determine target parking position, plan optimal parking path；Detailed process are as follows:
After determining target parking position, parking path planning system will be according to parking position position, public passage inside
Layout situation is that driver plans travel route using critical path method (CPM).
Other steps and parameter are identical as one of specific embodiment one to nine.
Specific embodiment 11: unlike one of present embodiment and specific embodiment one to ten, the step
Parking position information of park updates in six；Detailed process are as follows:
When driving into vehicle parking completion or thering is vehicle to sail out of, by collected parking stall license board information, parking bit occupancy feelings
Condition sends parking position information database to, realizes the reality of parking position utilization obstacle and over-the-counter parking space information electronic display
Shi Gengxin enters parking system calculating target parking position for next vehicle and provides latest data.
Other steps and parameter are identical as one of specific embodiment one to ten.
Beneficial effects of the present invention are verified using following embodiment:
Embodiment one:
The present embodiment is specifically to be prepared according to the following steps:
In conjunction with attached drawing, the parking position of consideration vehicle parking time of the present invention utilizes method, including divides parking
Region, building parking information monitoring system, building parking position information database, building target parking position decision system, building
Parking path planning system, specific as follows:
A, it divides parking area: Parking position being divided by three regions according to vehicle parking length of time: being stopped in short-term
Put region (0~6h), it is middle long when parking area (7~for 24 hours), it is long when parking area (more than for 24 hours), when long in parking area
Public passage side is arranged temporary parking position, and the set-up mode of temporary parking position is and to establish interim perpendicular to fixed parking stall
Parking stall and fixed parking stall relationship table, the corresponding three fixed parking stalls in each temporary parking position.Correspondence is parked when long
Region configures removable parking device and is managed when the vehicle on temporary parking position blocks normal berth vehicles while passing by parking lot
Reason person controls removable parking device, and the vehicle on temporary parking position is moved in realization, concedes for other vehicles while passing logical
Row space, sets back again later；There is vehicle to sail out of in fixation parking stall when long in parking area, generates vacant parking stall
When, movable fixture is controlled by parking attendant, the vehicle of temporary parking position is stopped in fixed parking stall, concedes current sky
Between, number is moved in reduction.Due in short-term, it is middle long when parking area vehicle enter and leave it is frequent, it is contemplated that vehicle on temporary parking position
The fewer mobile number the better, thus in short-term, it is middle long when parking area public passage be not provided with temporary parking position.
B, it constructs parking information detection system: detector and communication network, real-time detection parking stall is installed in parking lot
Remaining situation and a license board information of having stopped, and give information real-time Transmission to parking position information database.
C, it constructs parking position information database: establishing parking space information electronic display diagram, can show that Parking is moored
The information such as position layout, parking area division, vehicle parking situation, and the parking stall obtained in real time by parking information detection system
Multidate information and collected vehicle parking information, real-time update parking space information electronic display diagram can be inquired comprising parking
Bit occupancy situation, vehicle stop the angle of incidence, vehicle parking time, vehicle expected time of departure, the license plate that parks cars, temporary parking position
With the information such as fixed parking stall contrast relationship.
D, target parking position decision system is constructed: storage period and affiliated parking area of the acquisition into vehicle, and judge
Whether the region, which has, can park remaining parking stall, and judging whether other regions have according to priority if the region is without remaining parking stall can
Remaining parking stall is parked, is vehicle selected target parking stall according to time of departure phase approximately principle after determining parking area.Wherein, short
When parking area parking stall when not being able to satisfy parking demand, parking area shifts when preferential Xiang Zhongchang, secondly to it is long when diamond
Domain transfer, finally just to it is long when parking area in the temporary parking bit transition of public passage side is set；Diamond when middle long
Domain parking stall is not able to satisfy when parking demand, preferentially to it is long when parking area shift, secondly shifted to parking area in short-term, finally
Just to it is long when parking area in the temporary parking bit transition of public passage side is set；Parking area parking stall cannot expire when long
Foot is when parking demand, and parking area shifts when preferential Xiang Zhongchang, secondly shifts to parking area in short-term, finally just to it is long when park
The temporary parking bit transition of public passage side is set in region.
E, it constructs parking path planning system: shortest path first's method is taken according to inner part of parking lot public passage layout
Plan that optimal driving path reaches target parking position for driver.
The method parked based on vehicle parking time guidance vehicle subregion, steps are as follows:
Step 1: parking lot remaining information publication
According to the utilization obstacle in Parking berth, remaining parking position number is issued in over-the-counter parking guidance screen；If
There is remaining parking stall, Entrance of opening to the outside world；If closing Entrance without remaining parking stall.
Step 2: vehicle parking time acquisition
Entrance install Car license recognition instrument and vehicle parking time acquisition device (side hanging is mounted on the outside of sentry box,
Driver manually selects formula typing), time, license board information and expected storage period are driven into acquisition, and the data are transmitted to mesh
Mark parking stall decision system；
Step 3: differentiate vehicle parking region
According to the vehicle parking time and data information received, system differentiates the region that the vehicle should be parked, and detecting should
Does is there remaining parking stall in region? if there is remaining parking stall, it is parked in the region；If being stopped without remaining parking stall according to target
The preferential differentiation logic of parking stall decision system determines and final stops region.
In the parking method for organizing, the selection in vehicle parking region need to consider parking area time limit utilization rate, parking stall
Park cars turnover rate, vehicle parking meets the requirement such as parking area time limit as far as possible, it is expected that parking area time limit utilization rate, stopping
The parking stall turnover rate that parks cars is the bigger the better, and vehicle parking is the smaller the better beyond the time limit, therefore the vehicle of different storage periods exists
It selects to be selected according to priority when parking area.
The priority discrimination of the vehicle selection parking area of different storage periods is as follows:
(1) 0~6h considers that parking area time limit utilization efficiency is maximum:
N1+N2+N3+N4=1, N1,N2,N3,N4∈{0,1}
In formula, η is parking area time limit utilization efficiency；T is current vehicle expected storage period, h；T1、T2、T3、T4It is short
When, it is middle long when, it is long when parking area, it is long when parking area the temporary storage region storage period of public passage side is set most
Big value, h；N1、N2、N3、N4For in short-term, it is middle long when, it is long when parking area, it is long when parking area public passage side is set
Whether temporary storage region has vacant parking stall judgment value, its value is 1 when having vacant parking stall, its value is 0 when no vacant parking stall；
ρ is the probability for needing to move vehicle because of expected storage period fluctuation, ρ≤0.2.
(2) 7~for 24 hours, consider parking area parking stall park cars turnover rate maximum:
N1+N2+N3+N4=1, N1,N2,N3,N4∈{0,1}
In formula, β is that parking area parking stall parks cars turnover rate；
Other alphabetical meanings are same as above.
(3) more than for 24 hours, consideration parks cars minimum beyond parking area Parking Time Limit:
MinZ=(t-T1)×N1+(t-T2)×N2+(t-T3)×N3+(t-T4)×N4×(1-ρ)
N1+N2+N3+N4=1, N1,N2,N3,N4∈{0,1}
In formula, parking area storage period maximum value when Z is long, h；
Other alphabetical meanings are same as above.
Assuming that collected vehicle expected downtime is 5h, differentiate that the calculating in vehicle parking region is as follows at this time:
If parking area has vacant parking stall in short-term,When it is maximum, vehicle parking exists
Parking area in short-term；If parking area is without vacant parking stall in short-term,Maximum, vehicle
Parking area when being parked in middle long；If in short-term parking area, it is middle long when parking area in all without vacant parking stall,Maximum, vehicle parking parking area when long；If being set in parking area when only long
Set in the temporary parking position of public passage side have it is vacant,Maximum, vehicle
The temporary parking position region of public passage side is set in parking area when being parked in long.
Step 4: target parking position is calculated
After determining parking area, according to time of departure phase approximately principle, calculates the best of remaining parking stall in the region and park position
It sets, and sends data to parking path planning system.
(1) in short-term, it is middle long when parking area target parking position and its adjacent parking stall the vehicle parking time should meet it is following
Condition:
|ti-ti-1|≤λ, and | ti-ti+1|≤λ,1≤i≤N
If the i value for meeting condition there are n, take
min{Ti'=min | ti-ti-1|,|ti-ti+1|}},1≤i≤n,1≤n≤N
If the i value without the condition that meets, takes
min{Ti'=min | ti-ti-1|,|ti-ti+1|}},1≤i≤N
In formula, tiFor the vehicle expected time of departure on i-th of vacant parking stall, that is, when driving into the expection of vehicle and sailing out of
Between；ti+1、ti-1For the vehicle expected time of departure on adjacent two parking stall in i-th of vacant parking stall；When λ sails out of for adjacent stalls
Between difference threshold value, value 0.5h；N is vacant parking stall number；Ti' on vacant parking stall the vehicle expected time of departure and its phase
The minimum value for the vehicle time of departure difference that neighbour has parked cars on parking stall.
Assuming that the collected affiliated parking area of vehicle expected downtime is parking area in short-term, vacant vehicle in region
Number is 3, vacant parking stall and an adjacent position distribution stopped and its expected time of departure distribution are as follows: the vacancy 12:00 113:
The 20 vacancy vacancy 214:10 314:00.The expection time of departure for driving into vehicle is 13:50.
N=3 at this time, i value are 1,2,3, calculate separately whether each parking stall meets condition.
As i=1:
| 13:50-12:00 |=1.83h >=0.5h, | 13:50-13:20 |=0.5h≤0.5h
As i=2:
| 13:50-13:20 |=0.5h≤0.5h, | 13:50-14:10 |=0.33h≤0.5h
As i=3:
| 13:50-14:10 |=0.33h≤0.5h, | 13:50-14:00 |=0.17h≤0.5h
By can be calculated, when i=2,3, meets condition.N=2 at this time takes
min{T1'=min { 0.5h, 0.33h }, T2=min { 0.33h, 0.17h } }
It can obtain, target parking position is vacant parking stall 3.
(2) parking area is because being provided with temporary parking position when long, and each temporary parking position corresponds to three fixed parkings
Position is in the relatively target parking position parking stall time of departure adjacent thereto so three, the parking stall of parking area is one group when long
It is not no when meeting phase approximately principle, it should carry out in group relatively.Assuming that the target parking position of parking area is located at jth group when long, it is corresponding
Parking position number is respectively i, i+1, i+2, then the vehicle parking time of adjacent parking stall should meet the following conditions:
When i is vacant parking stall, need to meet:
|ti-ti+1|≤λ,|ti-ti+2|≤λ
When i+1 is vacant parking stall, need to meet:
|ti+1-ti|≤λ,|ti+1-ti+2|≤λ
When i+2 is vacant parking stall, need to meet:
|ti+2-ti+1|≤λ,|ti+2-ti|≤λ
When the number of the j for the condition that meets is m (1≤m≤M), the j for the condition that meets is divided into three classes, by vacant parking stall
Number is that i divides the first kind into group, and vacant parking stall is numbered in group and divides the second class into for i+1, by vacant parking stall
Number is that i+2 divides third class into group；
It is taken in the first kind
X1=min | ti-ti+1|,|ti-ti+2|}
It is taken in the second class
X2=min | ti+1-ti|,|ti+1-ti+2}
It is taken in third class
X3=min | ti+2-ti|,|ti+2-ti+1|}
It is final to choose
X=min { X1,X2,X3}
X in formula1、X2、X3It is sailed with interior other parking stalls expection is organized on the hollow remaining parking stall in respectively the first, second and third class parking stall
From time difference minimum value；X is the expected time of departure difference minimum value in other parking stalls in vacant parking stall and group；
Parking area jth group when j corresponding to X at this time, i.e. target parking position are located at long；
When without the j for the condition that meets, according to the above method, M group parking stall is divided into three classes, takes three classes parking stall hollow respectively
Remaining parking stall and the expection time of departure difference minimum value for organizing other interior parking stalls, and selected again from three minimum time differences
It is minimized；The jth group of parking area when j corresponding to minimum value at this time, i.e. target parking position are located at long；
Obtain target parking position；
Assuming that collected vehicle expected downtime is 30h, parking area when vehicle parking region is long is differentiated.It is affiliated
Vacant parking stall and an adjacent position distribution stopped and its expected time of departure distribution in parking area are as follows: tomorrow 12:50,
Vacancy 1,13:40 tomorrow, 18:20 tomorrow, 19:00 tomorrow, vacancy 2, vacancy 3,18:20 tomorrow, 21:30 tomorrow.Drive into vehicle
The expection time of departure be 17:30 tomorrow.Fixed parking stall is divided into 3 groups, j=1,2,3.
As j=1, i+1 is vacant parking stall,
| 17:30-12:50 |=4.67h >=0.5h, | 17:30-13:40 |=3.83h >=0.5h
As j=2, i+2 is vacant parking stall,
| 17:30-18:20 |=0.83h >=0.5h, | 17:30-19:00 |=1.5h >=0.5h
As j=3, i is vacant parking stall,
| 17:30-18:20 |=0.83h >=0.5h, | 17:30-21:30 |=4h >=0.5h
The j value for not meeting condition by can be calculated, takes at this time
X=min { X1=min { 4.67h, 3.83h }, X2=min { 0.83h, 1.5h }, X3=min { 0.83h, 4h } }
At this point, target parking position is located in the 2nd group of parking stall, on the parking stall i+2.
(3) parking stall that public passage side is arranged in when long in parking area is temporarily arranged, each temporary parking
The position of position all corresponds to three fixed parking stalls, sails out of, is parked in interim not influence parking cars on fixed parking stall
It is as follows that the vehicle time of departure on parking stall need to meet condition:
t′i≤min{t′i1,t′i2,t′i3| i=1,2 ..., N }-τ
In formula, t 'iFor the vehicle expected time of departure on i-th of vacant temporary parking position, that is, the expection for driving into vehicle is sailed
From the time；t′i1、t′i2、t′i3For the expection time of departure to park cars on the corresponding three fixed parking stalls in temporary parking position；τ
For expected time of departure undulating value.
Since temporary parking position is arranged in public passage region, in order to not influence the use on original parking stall, interim
The parking stall parked vehicle time of departure should be less than the minimum time of departure on its corresponding vertical parking stall；Simultaneously as pre-
Time of departure phase is an estimated time, in order to reduce the movement of temporary parking position, expected time of departure undulating value τ is arranged, τ takes
Value is about 1h.
Assuming that collected vehicle expected downtime is 5h, differentiate that parking area setting exists when vehicle parking region is long
The temporary parking position of public passage side.The temporary parking position being arranged in affiliated parking area is 3, and temporary parking position is corresponding
It has stopped on fixed parking stall and its expected time of departure distribution are as follows: 12:50,12:20,13:40,16:20,18:20,17:
50,18:10,18:20,21:30.The expection time of departure for driving into vehicle is 16:50.
It can be calculated:
16:50≥min{12:50,12:20,13:40}-01:00
16:50≥min{16:20,18:20,17:50}-01:00
16:50≤min{18:10,18:20,21:30}-01:00
At this point, target parking position is third temporary parking position.
Step 5: optimal parking path is planned
After determining target parking position, parking path planning system will be according to parking position position, public passage inside
Layout situation is that driver plans travel route using critical path method (CPM).
Step 6: parking position information of park updates
When driving into vehicle parking completion or thering is vehicle to sail out of, by collected parking stall license board information, parking bit occupancy feelings
Condition sends parking position information database to, realizes parking position utilization obstacle and over-the-counter parking guidance screen residue parking position number
The real-time update of amount enters parking system calculating target parking position for next vehicle and provides latest data.
The present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, this field
Technical staff makes various corresponding changes and modifications in accordance with the present invention, but these corresponding changes and modifications all should belong to
The protection scope of the appended claims of the present invention.
Claims (11)
1. the method parked based on vehicle parking time guidance vehicle subregion, it is characterised in that: the method detailed process are as follows:
Step 1: Parking position information publication；
Step 2: vehicle parking time acquisition；
Step 3: the vehicle parking time acquired based on step 1 Parking position information and step 2, differentiate vehicle parking
Region；
Step 4: the vehicle parking region differentiated based on step 3 calculates target parking position；
Step 5: the target parking position determined based on step 4 plans optimal parking path；
Step 6: parking position information of park is updated.
2. the method parked according to claim 1 based on vehicle parking time guidance vehicle subregion, it is characterised in that: described
Parking position information is issued in step 1；Detailed process are as follows:
Parking information is installed in parking lot and monitors system, real-time monitoring Parking berth layout, parking area division, vehicle
Park situation, parking stall occupancy situation, vehicle stop the angle of incidence, the vehicle parking time, the license plate that parks cars, temporary parking position with
Fixed parking stall contrast relationship information, and give information real-time Transmission to parking position information database；
According to the utilization obstacle on parking stall in the parking lot of parking position information database record, in over-the-counter parking space information electronics
Display screen issues remaining parking space number；If there is remaining parking stall, Entrance of opening to the outside world；If being closed without remaining parking stall
Close Entrance；
Parking space information electronic display screen displays Parking berth layout, parking area division, vehicle parking situation, parking
Bit occupancy situation, vehicle stop the angle of incidence, vehicle parking time, the license plate that parks cars, temporary parking position and compare with parking stall is fixed
Relation information.
3. the method parked according to claim 2 based on vehicle parking time guidance vehicle subregion, it is characterised in that: described
The vehicle parking time acquires in step 2；Detailed process are as follows:
Car license recognition instrument and vehicle parking time acquisition device be installed in Entrance, acquisition drive into the time, license board information and
It is expected that the storage period.
4. the method parked according to claim 3 based on vehicle parking time guidance vehicle subregion, it is characterised in that: described
The vehicle parking time acquired in step 3 based on step 1 Parking position information and step 2, differentiate vehicle parking area
Domain；Detailed process are as follows:
Parking position is divided into three regions according to the vehicle expected storage period:
When being 0~6h between when the vehicle is parked, parking area in short-term is chosen；
Between when the vehicle is parked for 7~for 24 hours when, parking area when long in selection；
When being above for 24 hours between when the vehicle is parked, parking area when choosing long；
Public passage side when long in parking area is arranged temporary parking position, the set-up mode of temporary parking position be perpendicular to
Fixed parking stall, the corresponding three fixed parking stalls in each temporary parking position；
According to the vehicle that the receives expected storage period, differentiate the region that the vehicle should be parked, and detect the region whether have it is surplus
Remaining parking stall is parked in the region if there is remaining parking stall；If without remaining parking stall, according to target parking position decision system
Preferential differentiation logic, determine final vehicle parking region.
5. the method parked according to claim 4 based on vehicle parking time guidance vehicle subregion, it is characterised in that: described
The preferential differentiation logic of target parking position decision system are as follows:
If 1) vehicle should be parked in parking area in short-term, when parking area parking stall is not able to satisfy parking demand in short-term, preferentially to
Parking area shifts when middle long, secondly to it is long when parking area shift, finally just to it is long when parking area in setting public logical
The temporary parking bit transition of road side；Expression are as follows:
0~6h considers that parking area time limit utilization efficiency is maximum:
N1+N2+N3+N4=1, N1,N2,N3,N4∈{0,1}
In formula, η is parking area time limit utilization efficiency；T is current vehicle expected storage period, h；T1、T2、T3、T4For in short-term, in
When long, parking area when long, it is long when parking area the temporary storage region storage period maximum value of public passage side is set,
Unit is h；N1、N2、N3、N4For in short-term, it is middle long when, it is long when parking area, it is long when parking area public passage side is set
Whether temporary storage region has vacant parking stall judgment value, and having vacant parking stall duration is 1, and no vacant parking stall duration is 0；ρ is
Need to move the probability of vehicle because of expected storage period fluctuation；
If 2) parking area when vehicle should be parked in middle long, when middle long, parking area parking stall is not able to satisfy when parking demand, excellent
First to it is long when parking area shift, secondly to parking area in short-term shift, finally just to it is long when parking area in be arranged public
The temporary parking bit transition of channel side；Expression are as follows:
7~for 24 hours, consider parking area parking stall park cars turnover rate maximum:
N1+N2+N3+N4=1, N1,N2,N3,N4∈{0,1}
In formula, β is that parking area parking stall parks cars turnover rate；
If 3) parking area when vehicle should be parked in long, when long, parking area parking stall is not able to satisfy when parking demand, preferentially to
Parking area shifts when middle long, secondly shifts to parking area in short-term, finally just to it is long when parking area in setting public logical
The temporary parking bit transition of road side；Expression are as follows:
More than for 24 hours, consideration parks cars minimum beyond parking area Parking Time Limit:
MinZ=(t-T1)×N1+(t-T2)×N2+(t-T3)×N3+(t-T4)×N4×(1-ρ)
N1+N2+N3+N4=1, N1,N2,N3,N4∈{0,1}
In formula, parking area storage period maximum value when Z is long, unit h.
6. the method parked according to claim 5 based on vehicle parking time guidance vehicle subregion, it is characterised in that: described
Needing to move the probability ρ value of vehicle because of expected storage period fluctuation is ρ≤0.2.
7. the method parked according to claim 6 based on vehicle parking time guidance vehicle subregion, it is characterised in that: described
The vehicle parking region differentiated in step 4 based on step 3 calculates target parking position；Detailed process are as follows:
(1) in short-term, it is middle long when parking area target parking position and its vehicle parking time of adjacent parking stall should meet the following conditions:
|ti-ti-1|≤λ, and | ti-ti+1|≤λ,1≤i≤N
If the i value for meeting condition there are n, take
min{Ti'=min | ti-ti-1|,|ti-ti+1|, 1≤i≤n, 1≤n≤N
If the i value without the condition that meets, takes
min{Ti'=min | ti-ti-1|,|ti-ti+1|}},1≤i≤N
In formula, tiFor the vehicle expected time of departure on i-th of vacant parking stall, that is, drive into the expection time of departure of vehicle；ti+1、
ti-1For the vehicle expected time of departure on adjacent two parking stall in i-th of vacant parking stall；λ is adjacent stalls time of departure difference
Threshold value；N is vacant parking space number；Ti' on vacant parking stall the vehicle expected time of departure and the adjacent vehicle that parked cars
The minimum value of vehicle time of departure difference on position；
Obtain target parking position；
(2) M group has vacant parking stall in the Q group parking stall of parking area when assuming long, it is assumed that the target of parking area when long
Parking stall is located at jth group, and the corresponding parking position number of jth group is respectively i, i+1, i+2, then in jth group adjacent parking stall vehicle
Storage period should meet the following conditions:
When i is vacant parking stall, need to meet:
|ti-ti+1|≤λ,|ti-ti+2|≤λ
When i+1 is vacant parking stall, need to meet:
|ti+1-ti|≤λ,|ti+1-ti+2|≤λ
When i+2 is vacant parking stall, need to meet:
|ti+2-ti+1|≤λ,|ti+2-ti|≤λ
When the number of the j for the condition that meets is m, the j for the condition that meets is divided into three classes by 1≤m≤M, by vacant parking stall in group
Number is that i divides the first kind into, and vacant parking stall is numbered in group and divides the second class into for i+1, by vacant parking stall in group
Number is that i+2 divides third class into；
It is taken in the first kind
X1=min | ti-ti+1|,|ti-ti+2|}
It is taken in the second class
X2=min | ti+1-ti|,|ti+1-ti+2|}
It is taken in third class
X3=min | ti+2-ti|,|ti+2-ti+1|}
It is final to choose
X=min { X1,X2,X3}
In formula, X1、X2、X3The hollow remaining parking stall in respectively the first, second and third class parking stall is sailed out of with interior other parking stalls expection is organized
Time difference minimum value；X is the expected time of departure difference minimum value in other parking stalls in vacant parking stall and group；
Parking area jth group when j corresponding to X at this time, i.e. target parking position are located at long；
When without the j for the condition that meets, M group parking stall is divided into three classes, is taken in the hollow remaining parking stall in three classes parking stall and group respectively
The expection time of departure difference minimum value on other parking stalls, and minimum value is chosen again from three minimum time differences；At this time
The jth group of parking area when j corresponding to minimum value, i.e. target parking position are located at long；
Obtain target parking position；
(3) parking stall that public passage side is arranged in when long in parking area is temporarily arranged, each temporary parking position
Position all corresponds to three fixed parking stalls, and the vehicle time of departure for being parked in temporary parking position, need to meet condition as follows:
t′i≤min{t′i1,t′i2,t′i3| i '=1,2 ..., N }-τ
In formula, t 'iFor the vehicle expected time of departure on the i-th ' a vacant temporary parking position, that is, when driving into the expection of vehicle and sailing out of
Between；t′i1、t′i2、t′i3For the expection time of departure to park cars on the corresponding three fixed parking stalls in temporary parking position；τ is pre-
Time of departure phase undulating value；
Obtain target parking position.
8. the method parked according to claim 7 based on vehicle parking time guidance vehicle subregion, it is characterised in that: described
The threshold value λ of adjacent stalls time of departure difference takes 0.5h.
9. the method parked according to claim 8 based on vehicle parking time guidance vehicle subregion, it is characterised in that: described
It is expected that time of departure undulating value τ value is 1h.
10. the method parked according to claim 9 based on vehicle parking time guidance vehicle subregion, it is characterised in that: institute
The target parking position determined in step 5 based on step 4 is stated, plans optimal parking path；Detailed process are as follows:
After determining target parking position, shortest path will be utilized according to parking position position, public passage interior layout situation
Method is that driver plans travel route.
11. the method parked according to claim 10 based on vehicle parking time guidance vehicle subregion, it is characterised in that: institute
Parking position information of park in step 6 is stated to update；Detailed process are as follows:
When driving into vehicle parking completion or having vehicle to sail out of, collected parking stall license board information, parking stall occupancy situation are passed
Parking position information database is given, realizes the real-time update of over-the-counter parking space information electronic display.
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| CN110555917A (en) * | 2019-08-15 | 2019-12-10 | 同济大学 | Differentiated charging method for parking lot based on RFID technology |
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| CN110952815A (en) * | 2019-12-16 | 2020-04-03 | 吉林大学 | Automatic parking system based on parking robot and operation method thereof |
| CN114944080A (en) * | 2021-02-17 | 2022-08-26 | 丰田自动车株式会社 | Information processing device, vehicle, non-transitory storage medium, and information processing method |
| CN113269980A (en) * | 2021-05-07 | 2021-08-17 | 深圳他米科技有限公司 | Hotel parking management method based on artificial intelligence |
| CN113808287A (en) * | 2021-08-21 | 2021-12-17 | 深圳市大道至简信息技术有限公司 | Management method and system for regional timing and charging of parking lot |
| CN113808287B (en) * | 2021-08-21 | 2023-05-05 | 深圳市大道至简信息技术有限公司 | Method and system for managing regional timing and charging of parking lot |
| CN116137108A (en) * | 2021-11-18 | 2023-05-19 | 沈阳精一智驾科技有限公司 | Parking system and parking method based on Internet of vehicles |
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Application publication date: 20190723 |