CN105551272B - It is a kind of to strengthen the vehicle signal control method of equipment based on Big Dipper ground - Google Patents
It is a kind of to strengthen the vehicle signal control method of equipment based on Big Dipper ground Download PDFInfo
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- CN105551272B CN105551272B CN201510994136.3A CN201510994136A CN105551272B CN 105551272 B CN105551272 B CN 105551272B CN 201510994136 A CN201510994136 A CN 201510994136A CN 105551272 B CN105551272 B CN 105551272B
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/07—Controlling traffic signals
- G08G1/087—Override of traffic control, e.g. by signal transmitted by an emergency vehicle
Abstract
The invention discloses a kind of vehicle signal control method positioned based on the Big Dipper, methods described is included：Step 101) gather the vehicle satellite location data based on the Big Dipper and the Vehicular occupant data based on IC-card；Step 102) define some states and logic judgment principle；Step 103) according to the state and principle defined, the data further according to collection are controlled to signals of vehicles.The step 101) further include：1) step 101 gathers the meter level positional information for obtaining vehicle based on satellite location data；2) step 101 obtains passenger inside the vehicle's incremental data by IC-card equipment and car-mounted terminal.The present invention reaches to the control of whole public bus network operation optimization, is precisely controlled, improve the reliability of whole control system by multi-source data input and advanced signal control algolithm.So as to reach balanced circuit passenger traffic amount, the purpose of railroad embankment efficiency is improved.
Description
Technical field
The present invention relates to a kind of vehicle signal control method, and in particular to a kind of to strengthen the vehicle of equipment based on Big Dipper ground
Signal control method.
Background technology
With the development of the social economy, people are increasing to the demand of trip.Meanwhile, convenience, the comfortableness of trip
The important criterion of trip instrument is selected as people.Traditional trip mode mainly includes, and private car trip, public transport go out
Row, cycling trip, walking etc..In numerous trip modes, private car trip mode is the most comfortable, convenient, but with people
Depending on unduly for being gone on a journey to private car causes the serious urban issues such as traffic congestion, environmental pollution.Asked to solve this city
Topic, public transport starts development, and advanced public transportation system starts to occur.
Public transport is as the maximum vehicles of city carrying capacity, with convenient and swift, with low cost, safety and environmental protection etc.
Plurality of advantages.But simultaneous problems have impact on the efficiency of operation of public transport.Wherein it is the most significantly public transit vehicle
Capacity deployment is uneven, causes the daily problems of operation such as bunching, large-spacing.Public bus network operation is abnormal, can cause circuit vehicle
The distribution of passenger is uneven, so as to cause the efficiency of operation of whole piece circuit low.
In order to solve the problem of mass transit volume distribution is uneven, it will usually take corresponding control to bus operation circuit vehicle
Measure processed.Such as integrative design intersection, first method, by disposing roadside device to detect the traveling of public transit vehicle at crossing
Vehicle traveling-position is reported that control device is according to each phase vehicle feelings in intersection to signal control device by position, roadside device
Condition implements signal priority to public transit vehicle.Second method is to detect public transit vehicle position by satellite positioning device, and by position
Put data transfer and carry out signal priority control to signal control device.
In such scheme, signal control device carries out priority acccess control by vehicle position information to vehicle.Deposit both ways
Problem, is the problem of data are insufficient first, is embodied in several aspects：
1. lack passengers quantity data in public transit vehicle, because lacking passenger data, cause signal control device true
The load factor of public transit vehicle is determined, so that signal control can not be carried out targetedly.
2. lack the location information data between circuit vehicle, because lacking the service data of vehicle between circuit, cause signal
Control device does not know the position relationship of fore-aft vehicle, it is impossible to truly have targetedly progress signal control.
3. public transit vehicle real time position data is not enough, one point data poor reliability, it is impossible to judge that public transit vehicle passes through drive test
Running status after equipment, it is possible to cause erroneous judgement to signal control device.
4. lacking high-precision vehicle position data does not have, due to lacking high precision position data, so as to can not judge vehicle
Operation track so that can not accurately judge signal phase corresponding with track cause erroneous judgement.
Above-mentioned 4 points of data mainly due to input signal control device do not possess or insufficient, cause whole
The reliability reduction of control system.
The content of the invention
It is an object of the present invention to which in order to overcome above mentioned problem, the present invention provides a kind of based on Big Dipper ground enhancing equipment
Vehicle signal control method.
To achieve these goals, the present invention provides a kind of signals of vehicles controlling party based on Big Dipper ground enhancing equipment
Method, methods described is included：Step 101) gather the vehicle satellite location data based on the Big Dipper and the Vehicular occupant number based on IC-card
According to；Step 102) define some states and logic judgment principle；Step 103) according to the state and principle defined, further according to collection
Data signals of vehicles is controlled.
Optionally, above-mentioned steps 101) further include：Step 101-1) vehicle is obtained based on satellite location data collection
Meter level positional information；Step 101-2) passenger inside the vehicle's incremental data is obtained by IC-card equipment and car-mounted terminal.
Above-mentioned steps 102) further include：
Step 102-1) definition current location vehicle is A cars, vehicle is B cars behind Current vehicle；
The departure interval of definition wires road vehicles is ε minutes, and the time headway of A cars and B cars is defined as t (AB)；
Step 102-2) define following several states residing for vehicle A：
State S1, t (AB) ＞ ε are that the time headway of A cars and B cars under current state is more than the departure interval ε of two cars；
State S2, t (AB)≤ε are that the time headway of A cars and B cars under current state is less than or equal to the departure interval of two cars
ε；
Step 102-3) vehicle of current location is defined for A cars, vehicle is B cars and synchronization, A cars behind Current vehicle
Handling capacity of passengers be P (A), the handling capacities of passengers of B cars is P (B)；
Step 102-4) several states for defining residing for vehicle A passenger carrying capacities are as follows：
State S3, when the handling capacity of passengers of P (A) ＞ P (B) A cars i.e. under current state is more than the handling capacity of passengers of B cars；
State S4, when the handling capacity of passengers of P (A)≤P (B) A cars i.e. under current state is less than the handling capacity of passengers of B cars；
Step 102-5) signal control device state residing for the vehicle A that is defined as follows：
State S5, signal control device only receives the signal priority request of vehicle A transmissions；
State S6, signal control device receives the request signal of vehicle A transmissions, and receives simultaneously from other phase vehicles
Signal priority request；
Step 102-6) determine track states of the vehicle A in road, that is, determine track residing for vehicle A to turn left, straight trip or
Person turns right；
State S7, track residing for vehicle A is Through Lane；
State S8, track residing for vehicle A is right-turn lane；
State S9, track residing for vehicle A is left turn lane；
Step 102-7) to define the signalized crossing signal period residing for vehicle A be T, signalized intersections residing for vehicle A
Keep straight on Phase Duration λStraight trip, left turn phase duration λTurn left, right-hand rotation Phase Duration is λTurn right；
Wherein, λStraight trip+λTurn left+λTurn right=T；
Step 102-8) setting signal optimization time θ, wherein θ ＜ T；
Step 102-9) the signal optimisation strategy that is defined as follows：
Tactful G1, the increase signal optimization time forms new intersection signal phase on the basis of original signal phase time
Time；
Tactful G2, the subtraction signal optimization time forms new intersection signal phase on the basis of original signal phase time
Time；
Tactful G3, maintains signalized intersections present situation cycle and Phase Duration residing for vehicle A constant.
Above-mentioned steps 103) further include：
Step 103-1) vehicle A residing track state is determined, the track state includes tri- states of S7, S8 and S9；
Step 103-2) meet state S2, S4 and S5 simultaneously when the current state of vehicle, then implementation strategy G2；
Step 103-3) meet state S1, S3 and S5 simultaneously when the current state of vehicle, then implementation strategy G1；
Step 103-4) state S2, S4 and S is met simultaneously when the current state of vehicle, 6, then implementation strategy G3；
Step 103-5) meet state S1, S3 and S6 simultaneously when the current state of vehicle, then implementation strategy G3；
Step 103-6) other states are performed both by tactful G3.
Compared with prior art, the technical advantages of the present invention are that：(1) close public transit vehicle signal priority more science
Reason.(2) efficiency of operation of public bus network is improved.(3) reliability of public transit vehicle signal priority is improved.Cross multi-source data defeated
Enter with advanced signal control algolithm, reach to the control of whole public bus network operation optimization, be precisely controlled, improve whole control system
The reliability of system.So as to reach balanced circuit passenger traffic amount, the purpose of railroad embankment efficiency is improved.That is, the present invention is by more
Source data is inputted and advanced signal control algolithm, is reached to the control of whole public bus network operation optimization, is precisely controlled, improves whole
The reliability of individual control system.So as to reach balanced circuit passenger traffic amount, the purpose of railroad embankment efficiency is improved.
Brief description of the drawings
Fig. 1 is the flow chart of vehicle signal control method of the present invention.
Embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Embodiment of the present invention improves the deficiency of aforementioned conventional embodiment, the perfect relevant mode of control system
Block.Main modular include data acquisition unit module, control algolithm module, scheme implement module.Data acquisition unit module master
It is responsible for related data needed for acquisition system, it is main to include based on the enhanced vehicle satellite location data of Big Dipper ground, based on IC
The Vehicular occupant data of card.Control algolithm module is mainly responsible for carrying out logic judgment, and foundation is provided for the implementation of prioritization scheme, and
According to data acquired and logic judgment rule, there is provided corresponding control algolithm.Scheme implements module and mainly Current protocols is entered
Row is implemented.As shown in figure 1, the basic step of the inventive method is as follows：
Data acquisition module：
Step 1, strengthen the vehicle satellite position data collecting of equipment based on Big Dipper ground, pass through the satellite installed in vehicle
Positioning terminal and trackside positioning enhancing equipment, obtain the meter level positional information of vehicle.Wherein, the Big Dipper ground enhancing equipment
Belong to existing equipment, will not be described here.
Step 2, passenger data is gathered, by the satellite positioning-terminal installed in vehicle and trackside positioning enhancing equipment,
Obtain the meter level positional information of vehicle.Passenger inside the vehicle's incremental data is obtained by IC-card equipment and car-mounted terminal.
Control algolithm module：
Step 3, it is that vehicle is B cars behind A cars, Current vehicle to define current location vehicle.The departure interval of circuit vehicle
For ε minutes.The time headway of A cars and B cars is defined as t (AB).
Step 4, several states defined residing for vehicle location A are as follows：
State S1, t (AB) ＞ ε are that the time headway of A cars and B cars under current state is more than the departure interval ε of two cars.
State S2, t (AB)≤ε are that the time headway of A cars and B cars under current state is less than or equal to the departure interval of two cars
ε。
Step 5, it is that vehicle is B cars behind A cars, Current vehicle to define current location vehicle.Synchronization, the carrying of A cars
Measure as P (A), the handling capacity of passengers of B cars is P (B).
Step 6, several states defined residing for vehicle A passenger carrying capacities are as follows：
The handling capacity of passengers of state S3, P (A) ＞ P (B) A cars i.e. under current state is more than the handling capacity of passengers of B cars.
The handling capacity of passengers of state S4, P (A)≤P (B) A cars i.e. under current state is less than the handling capacity of passengers of B cars.
Step 7, signal control device state residing for vehicle A is defined
State S5, signal control device only receives the signal priority request of vehicle A transmissions.
State S6, signal control device receives the request signal of vehicle A transmissions, and receives simultaneously from other phase vehicles
Signal priority request.
Step 8：Determine track states of the vehicle A in road.I.e. according to on-vehicle positioning terminal and trackside ground enhancing equipment,
Track residing for vehicle A is determined to turn left, keep straight on or turn right.
State S7, track residing for vehicle A is Through Lane.
State S8, track residing for vehicle A is right-turn lane.
State S9, track residing for vehicle A is left turn lane.
Step 9, it is T to define the signalized crossing signal period residing for vehicle A.Signalized intersections residing for vehicle A are kept straight on
Phase Duration λStraight trip, left turn phase duration λTurn left, right-hand rotation Phase Duration is λTurn right.Wherein
λStraight trip+λTurn left+λTurn right=T.
Step 10, the definition signal optimization time is θ, wherein θ ＜ T.
Step 11, definition signal control device optimisation strategy.
Tactful G1, λ+θ, the increase signal optimization time forms new intersection signal on the basis of original signal phase time
Phase time.
Tactful G2, λ-θ, the subtraction signal optimization time forms new intersection signal on the basis of original signal phase time
Phase time.
Tactful G3, maintains signalized intersections present situation cycle and Phase Duration residing for vehicle A constant.
Scheme implements module：
Step 12, the residing track state for determining vehicle A is any one in S7, S8, S9.
Step 13, state S2, S4, S5, implementation strategy G2 are met.
Step 14, state S1, S3, S5, implementation strategy G1 are met.
Step 15, state S2, S4, S, 6, implementation strategy G3 are met.
Step 16, state S1, S3, S6, implementation strategy G3 are met.
Step 17, other states are performed both by tactful G3.
The specific embodiment of the present invention is the foregoing is only, is not intended to limit the scope of the present invention, this
Field it will be appreciated by the skilled person that on the premise of inventive principle is not departed from, technical scheme is modified or
Person's equivalent substitution, without departure from the spirit and scope of technical solution of the present invention, it all should cover in protection scope of the present invention.
Claims (3)
1. a kind of strengthen the vehicle signal control method of equipment based on Big Dipper ground, methods described is included：
Step 101) Vehicular occupant data of the collection based on the enhanced vehicle satellite location data of Big Dipper ground and based on IC-card；
Step 102) definition status and strategy；
Step 103) according to the state and strategy defined, the data further according to collection are controlled to signals of vehicles；
The step 102) further include：
Step 102-1) definition current location vehicle is A cars, vehicle is B cars behind Current vehicle；
The departure interval of definition wires road vehicles is ε minutes, and the time headway of A cars and B cars is defined as t (AB)；
Step 102-2) define following several states residing for vehicle A：
State S1, t (AB) ＞ ε are that the time headway of A cars and B cars under current state is more than the departure interval ε of two cars；
State S2, t (AB)≤ε are that the time headway of A cars and B cars under current state is less than or equal to the departure interval ε of two cars；
Step 102-3) vehicle of current location is defined for A cars, vehicle is B cars and synchronization, the load of A cars behind Current vehicle
Volume of passenger traffic is P (A), and the handling capacity of passengers of B cars is P (B)；
Step 102-4) several states for defining residing for vehicle A handling capacities of passengers are as follows：
State S3, when the handling capacity of passengers of P (A) ＞ P (B) A cars i.e. under current state is more than the handling capacity of passengers of B cars；
State S4, when the handling capacity of passengers of P (A)≤P (B) A cars i.e. under current state is less than the handling capacity of passengers of B cars；
Step 102-5) signal control device state residing for the vehicle A that is defined as follows：
State S5, signal control device only receives the signal priority request of vehicle A transmissions；
State S6, signal control device receives the request signal of vehicle A transmissions, and receives the letter from other phase vehicles simultaneously
Number override requests；
Step 102-6) determine track states of the vehicle A in road, that is, it is left-hand rotation, straight trip or right to determine track residing for vehicle A
Turn；
State S7, track residing for vehicle A is Through Lane；
State S8, track residing for vehicle A is right-turn lane；
State S9, track residing for vehicle A is left turn lane；
Step 102-7) to define the signalized crossing signal period residing for vehicle A be T, signalized intersections residing for vehicle A are kept straight on
Phase Duration λStraight trip, left turn phase duration λTurn left, right-hand rotation Phase Duration is λTurn right；
Wherein, λStraight trip+λTurn left+λTurn right=T；
Step 102-8) setting signal optimization time θ, wherein θ ＜ T；
Step 102-9) the signal optimisation strategy that is defined as follows：
Tactful G1, when the increase signal optimization time forms new intersection signal phase on the basis of original signal phase time
Between；
Tactful G2, when the subtraction signal optimization time forms new intersection signal phase on the basis of original signal phase time
Between；
Tactful G3, maintains signalized intersections present situation cycle and Phase Duration residing for vehicle A constant.
2. according to claim 1 strengthen the vehicle signal control method of equipment based on Big Dipper ground, it is characterised in that institute
State step 101) further include：
Step 101-1) the meter level positional information for obtaining vehicle is gathered based on satellite location data；
Step 101-2) passenger inside the vehicle's incremental data is obtained by IC-card equipment and car-mounted terminal.
3. according to claim 1 strengthen the vehicle signal control method of equipment based on Big Dipper ground, it is characterised in that institute
State step 103) further include：
Step 103-1) vehicle A residing track state is determined, the track state includes tri- states of S7, S8 and S9；
Step 103-2) meet state S2, S4 and S5 simultaneously when the current state of vehicle, then implementation strategy G2；
Step 103-3) meet state S1, S3 and S5 simultaneously when the current state of vehicle, then implementation strategy G1；
Step 103-4) meet state S2, S4 and S6 simultaneously when the current state of vehicle, then implementation strategy G3；
Step 103-5) meet state S1, S3 and S6 simultaneously when the current state of vehicle, then implementation strategy G3；
Step 103-6) other states are performed both by tactful G3.
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| CN201510994136.3A CN105551272B (en) | 2015-12-25 | 2015-12-25 | It is a kind of to strengthen the vehicle signal control method of equipment based on Big Dipper ground |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789175A (en) * | 2010-01-08 | 2010-07-28 | 北京工业大学 | Public transportation multi-route static coordination and dispatching method |
| CN103268707A (en) * | 2013-04-26 | 2013-08-28 | 东南大学 | Signal regulating method for pedestrian crossing road section of bus prior passage |
| CN104485006A (en) * | 2014-12-17 | 2015-04-01 | 天津易华录信息技术有限公司 | Bus signal priority system based on passenger number and control method |
| CN204348076U (en) * | 2014-12-17 | 2015-05-20 | 天津易华录信息技术有限公司 | A kind of bus signals priority system based on vehicle-mounted number |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103337022A (en) * | 2013-06-05 | 2013-10-02 | 袁义青 | A public transport electronic system |
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- 2015-12-25 CN CN201510994136.3A patent/CN105551272B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101789175A (en) * | 2010-01-08 | 2010-07-28 | 北京工业大学 | Public transportation multi-route static coordination and dispatching method |
| CN103268707A (en) * | 2013-04-26 | 2013-08-28 | 东南大学 | Signal regulating method for pedestrian crossing road section of bus prior passage |
| CN104485006A (en) * | 2014-12-17 | 2015-04-01 | 天津易华录信息技术有限公司 | Bus signal priority system based on passenger number and control method |
| CN204348076U (en) * | 2014-12-17 | 2015-05-20 | 天津易华录信息技术有限公司 | A kind of bus signals priority system based on vehicle-mounted number |
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