CN114512004B - Anti-overturning system for actively guiding and dispatching vehicles for bridge and dispatching method thereof - Google Patents
Anti-overturning system for actively guiding and dispatching vehicles for bridge and dispatching method thereof Download PDFInfo
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- CN114512004B CN114512004B CN202210052353.0A CN202210052353A CN114512004B CN 114512004 B CN114512004 B CN 114512004B CN 202210052353 A CN202210052353 A CN 202210052353A CN 114512004 B CN114512004 B CN 114512004B
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- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000012544 monitoring process Methods 0.000 claims abstract description 68
- 238000006073 displacement reaction Methods 0.000 claims description 10
- 238000005070 sampling Methods 0.000 claims description 6
- 238000005303 weighing Methods 0.000 claims description 6
- 238000011065 in-situ storage Methods 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 2
- 238000004088 simulation Methods 0.000 claims description 2
- 206010039203 Road traffic accident Diseases 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000001960 triggered effect Effects 0.000 description 9
- 230000002265 prevention Effects 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/13—Architectural design, e.g. computer-aided architectural design [CAAD] related to design of buildings, bridges, landscapes, production plants or roads
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- G—PHYSICS
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- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F30/00—Computer-aided design [CAD]
- G06F30/10—Geometric CAD
- G06F30/15—Vehicle, aircraft or watercraft design
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/09—Arrangements for giving variable traffic instructions
- G08G1/095—Traffic lights
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/18—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast
- H04N7/181—Closed-circuit television [CCTV] systems, i.e. systems in which the video signal is not broadcast for receiving images from a plurality of remote sources
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2119/00—Details relating to the type or aim of the analysis or the optimisation
- G06F2119/14—Force analysis or force optimisation, e.g. static or dynamic forces
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Abstract
The invention provides an anti-overturning system for actively guiding and dispatching vehicles of a bridge and a dispatching method thereof, wherein the system comprises a bridge monitoring subsystem which is electrically connected with a control unit and is used for timely monitoring deformation and stress generated by the bridge; the vehicle monitoring subsystem is used for identifying and monitoring vehicle information and weight of vehicles entering the bridge; a traffic control subsystem for guiding vehicles on the bridge and vehicles approaching the bridge: the control unit is connected with the traffic control background; the control unit collects corresponding data of the bridge monitoring subsystem and the vehicle monitoring subsystem, and controls the passing vehicle through the vehicle control subsystem after analysis and judgment to prevent the bridge from overturning. The beneficial effects of the invention are as follows: by the arrangement of the anti-overturning system, serious traffic accidents caused by unbalanced load or bridge crushing caused by heavy vehicles can be effectively prevented, and traffic safety is improved.
Description
Technical Field
The invention relates to the technical field of traffic engineering, in particular to an anti-overturning system for actively guiding and dispatching vehicles for bridges and a dispatching method thereof.
Background
Structural overturning is a relatively complex mechanical phenomenon, and belongs to the category of nonlinear analysis of supports. Before the structure is overturned, the phenomenon of support void is necessarily generated. After the support is emptied, the support which is emptied loses the supporting effect on the structure, and only the rest supports are constrained on the structure, so that the counter force of the support is inevitably distributed, the support is inevitably damaged due to the fact that the vertical pressure of the support exceeds the design strength of the support, and the phenomenon of sliding of the beam body caused by overlarge deformation of the corner of the support in the overturning process is inevitably generated, so that whether the overturning of the structure is closely related to the failure of the supporting effect of the support or not, and the overload of a bridge is one of reasons for accidents, so that the phenomenon that the bridge is prevented from being overturned due to the overload and the vehicle can be guided actively in advance is an urgent problem to be solved.
Disclosure of Invention
In order to solve the defects of the prior art, the invention provides an overload and overturning prevention system for actively guiding and dispatching vehicles for bridges and a dispatching method thereof.
The aim of the invention is achieved by the following technical scheme:
the anti-overturning system for actively guiding and dispatching the vehicles comprises a control unit and a control unit,
bridge monitoring subsystem: the device is used for timely monitoring deformation and stress of the bridge;
vehicle monitoring subsystem: the vehicle weight monitoring system is used for identifying and monitoring vehicle information and weight of vehicles entering the bridge; the vehicle information includes vehicle license plates, driving lanes, vehicle weights, external dimensions and the like.
And the vehicle flow control subsystem: for guiding vehicles on the bridge and vehicles to be driven into the bridge; the control unit is connected with the traffic control background;
the control unit collects corresponding data of the bridge monitoring subsystem and the vehicle monitoring subsystem, and controls the passing vehicle through the vehicle control subsystem after analysis and judgment to prevent the bridge from overturning.
Preferably, the bridge monitoring subsystem comprises a force sensor or a displacement sensor arranged on the support, a first strain sensor arranged on the buttress below the support, inclination sensors arranged at two ends and in the middle of the bridge plate, a second strain sensor arranged at two transverse ends and in the middle of the bridge plate, and a measuring camera arranged on the pier.
Preferably, the bridge pier is provided with bridge pier feature points, the measuring camera is provided with a first measuring camera and a second measuring camera, the first measuring camera is arranged at a position capable of completely shooting the images of the bridge plate bottom edge and the bridge pier feature points, and the second measuring camera is arranged at a position capable of shooting the complete images of the bridge plate bottom surface.
Preferably, the strain sensors are provided with 3 or more than 3 strain sensors, and are uniformly distributed at the two transverse ends and the middle of the bridge bottom plate.
Preferably, the vehicle monitoring subsystem comprises a first AI monitoring camera arranged on the full bridge section, a second AI monitoring camera arranged in front of the approach bridge and a vehicle axle weight sensor.
Preferably, the traffic flow control subsystem comprises a guide display screen arranged on the full bridge section, an early warning display screen arranged before approach, traffic signal lamps arranged on the bridge and the bridge pavement expansion joint, and traffic signal lamps arranged before approach.
Preferably, the dispatching method of the anti-overturning system for actively guiding and dispatching vehicles by the bridge according to any one of the above steps comprises the following steps:
s1, identifying a vehicle entering a bridge through a second AI monitoring camera of a vehicle monitoring subsystem, weighing and measuring the vehicle by using a vehicle axle weight sensor aiming at a heavy vehicle, and transmitting vehicle information and a weighing result to a control unit;
s2, identifying each heavy vehicle running on the bridge through a first AI monitoring camera of the vehicle monitoring subsystem, tracking the bridge section and the lane where the heavy vehicle is located, and transmitting identification and tracking information to the control unit;
s3, sampling is carried out by the bridge monitoring subsystem according to the sampling rate not lower than 10Hz, data are sent to the control unit in real time, the control unit analyzes the bridge monitoring data according to the rate not lower than 10Hz, the control unit calculates the current load and unbalanced load moment of each bridge segment according to the bridge real-time monitoring data, and calculates the residual safety bearing capacity and residual safety unbalanced load moment of each segment of bridge according to the maximum allowable load and unbalanced load moment of a given bridge;
and S4, the control unit guides the vehicles on the bridge and the vehicles which are about to drive into the bridge through the traffic flow control subsystem according to the actual condition of the stress of the bridge, so that the bridge is prevented from being overloaded and overturned.
The beneficial effects of the invention are as follows: by the arrangement of the anti-overturning system, serious traffic accidents caused by unbalanced load or bridge crushing caused by heavy vehicles can be effectively prevented, and traffic safety is improved.
Drawings
Fig. 1: the structure of the invention is schematically shown.
Fig. 2: the system of the invention integrates the structural schematic diagram of the bridge.
Detailed Description
The following describes the technical scheme of the invention by combining the embodiment with fig. 1-2, and the invention discloses an anti-overturning system of a bridge active guiding and dispatching vehicle, which comprises a bridge monitoring subsystem, a control unit 5 and a control unit, wherein the bridge monitoring subsystem is electrically connected with the control unit and used for timely monitoring deformation and stress generated by a bridge; the vehicle monitoring subsystem is used for identifying and monitoring vehicle information and weight of vehicles entering the bridge; a traffic control subsystem for guiding vehicles on the bridge and vehicles approaching the bridge: the control unit 5 is connected with the traffic control background, the control unit 5 collects corresponding data of the bridge monitoring subsystem and the vehicle monitoring subsystem, and controls the passing vehicle through the vehicle control subsystem after analysis and judgment to prevent the bridge from overturning. In this embodiment, the control unit 5 is a front-end computer.
Specifically, the bridge monitoring subsystem comprises a force sensor 11 or a displacement sensor 12 arranged on each support 1 of the bridge, wherein the force sensor 11 is used for monitoring the compression condition of each support 1, and is suitable for newly built bridges or newly reinforced bridges. Triggering an overload alarm event when the pressure of a certain support 1 exceeds a preset local overload safety threshold or the sum of the pressures of all the supports 1 exceeds a preset overload safety threshold; when the pressure deviation between the supports 1 exceeds a preset unbalanced load safety threshold, an unbalanced load alarm event is triggered.
The displacement sensor 12 is used for monitoring the compression deformation of each support 1 under stress. The displacement sensor 12 is suitable for existing bridge installations. Triggering an overload alarm event when the deformation of a certain support 1 exceeds a preset local overload safety threshold or the total deformation of all supports exceeds a preset overload safety threshold; when the difference of deformation amounts among the supports exceeds a preset unbalanced load safety threshold, an unbalanced load alarm event is triggered. The displacement sensor 12 and the force sensor 11 may be selected according to the need, or may be adopted simultaneously.
The bridge monitoring subsystem further comprises a first strain sensor 21 arranged on the buttress 2 below the support 1, and when the strain or stress of the buttress 2 exceeds a preset local overload safety threshold or the total strain or stress of the buttress exceeds a preset overload safety threshold, an overload alarm event is triggered; when the differential strain or differential stress of buttress 2 exceeds a preset unbalanced load safety threshold, an unbalanced load alarm event is triggered.
High-precision inclination sensors 31 arranged at the two ends and the middle of the bridge plate 3 trigger an overload alarm event when the longitudinal inclination change of the bridge exceeds a preset overload safety threshold value (namely the deflection of the bridge is overlarge); when the transverse inclination angle change of the bridge exceeds a preset unbalanced load safety threshold, an unbalanced load alarm event is triggered.
The second strain sensors 32 are disposed at both lateral ends and in the middle of the bridge deck, and the second strain sensors 32 include sensors for monitoring longitudinal strain and torsional strain of the bridge deck. The second strain sensors are arranged at 3 or more than 3 and uniformly distributed at the two transverse ends and the middle of the bridge bottom plate. Triggering an overload alarm event when the longitudinal strain of a certain bridge plate exceeds a preset local overload threshold value or the longitudinal strain average value of the bridge plate exceeds a preset overload safety threshold value; when the strain variation or torsion strain of the left and right sides of the bridge plate exceeds a preset unbalanced load safety threshold, an unbalanced load alarm event is triggered.
The measuring camera is arranged on the bridge pier 2, the measuring camera is provided with a first measuring camera 22 and a second measuring camera 23, and the first measuring camera 22 is arranged at a position which can stably and completely shoot a gap image between the bridge pier 2 and the bridge plate 3 and is used for monitoring the relative displacement between the bridge plate 3 and the buttress 2. Triggering an overload alarm event when the local clearance change between the bottom of the bridge plate 3 and the top of the buttress 2 exceeds a preset local overload safety threshold or the integral clearance change exceeds the overload safety threshold in the shot image; when the change of the included angle between the bottom edge of the bridge plate and the top edge of the buttress in the shot image exceeds a preset unbalanced load safety threshold, an unbalanced load alarm event is triggered.
The second measuring camera 23 is arranged at a position capable of shooting a complete image of the bottom surface of the bridge plate 3, and when the shot image shows that the local deflection change of the bottom surface of the bridge plate exceeds a preset local overload safety threshold value or the whole deflection change exceeds the overload safety threshold value, an overload alarm event is triggered; triggering an unbalanced load alarm event when the deflection change difference of the left side and the right side of the bridge plate of the shot image exceeds a preset unbalanced load safety threshold.
The bridge monitoring subsystem can be aimed at a bridge section of a single column and multiple supports or multiple columns and multiple supports, and can also be aimed at a bridge section of a single column and single support. When aiming at the bridge section of the single column and the single support, the bridge pier 2 is provided with bridge pier characteristic points, namely reference targets, and correspondingly, the first measuring camera 22 is arranged at a position which can stably and completely shoot images of the bottom edge of the bridge plate and the bridge pier characteristic points. Triggering an overload alarm event when the change of the displacement between the bottom edge of the bridge plate and the bridge pier characteristic points in the shot image exceeds a preset local overload safety threshold or the integral displacement exceeds the overload safety threshold; when the shot image shows that the displacement difference between the two sides of the bridge plate bottom and the feature points of the buttress exceeds a preset unbalanced load safety threshold, an unbalanced load alarm event is triggered.
The vehicle monitoring subsystem is used for identifying and measuring vehicles, vehicle license plates, driving lanes, vehicle weights, external dimensions and the like. Including a first AI monitoring camera 41 disposed at the full bridge section, a second AI monitoring camera 46 disposed before approach, and a vehicle axle weight sensor 33. The traffic flow control subsystem comprises a guiding display screen 4 arranged on the whole bridge section, an early warning display screen 45 arranged before approach, traffic signal lamps 42 arranged on the bridge and the bridge pavement expansion joint, and traffic signal lamps 33 arranged before approach. In the present embodiment, the first AI-monitoring camera 41 and the second AI-monitoring camera 46 are each disposed above the corresponding display screen 4.
The invention also discloses a dispatching method of the anti-overturning system for actively guiding and dispatching the vehicles by the bridge, which comprises the following steps:
s1, identifying a vehicle entering a bridge through a second AI monitoring camera 46 of the vehicle monitoring subsystem, weighing and measuring the vehicle by using a vehicle axle weight sensor 33 aiming at a heavy vehicle, and transmitting vehicle information and a weighing result to a control unit 5;
s2, identifying each heavy vehicle running on the bridge through a first AI monitoring camera 41 of the vehicle monitoring subsystem, tracking the bridge section and the lane where the heavy vehicle is located, and transmitting identification and tracking information to the control unit 5;
s3, sampling is carried out by the bridge monitoring subsystem according to a sampling rate not lower than 10Hz, data are sent to the control unit 5 in real time, the control unit 5 analyzes the bridge monitoring data according to a rate not lower than 10Hz, the control unit 5 calculates the current load and unbalanced load moment of each bridge segment according to the bridge real-time monitoring data, and calculates the residual safe bearing capacity and residual safe unbalanced load moment of each segment of bridge according to the maximum allowable load and unbalanced load moment of a given bridge;
and S4, the control unit 5 guides the vehicles on the bridge and the vehicles which are about to drive into the bridge through the traffic flow control subsystem according to the actual condition of the bridge stress, so that the bridge is prevented from being overloaded and overturned.
The specific prevention method in the S4 is as follows:
overload prevention:
when the external dimension of the vehicle which is about to drive into the bridge is larger than the allowable passing vehicle dimension of the bridge or the vehicle weight is larger than the whole maximum safe bearing capacity of the bridge, the control unit 5, namely the early warning display screen 45 before the front-end computer controls the approach of the bridge (the entrance of the bridge), displays the overrun of the vehicle and prohibits the vehicle from driving into the bridge; or the traffic signal lamp before approach (bridge entrance) lights up red light to prohibit the vehicle from driving into the bridge; and sending a message for prohibiting the passing to the vehicle through the vehicle-road cooperative system interface.
When the external dimension of the vehicle which is about to drive into the bridge is smaller than the permitted traffic dimension of the bridge and the weight of the vehicle is smaller than the whole maximum safe bearing capacity of the bridge but is larger than the current residual safe bearing capacity of the bridge, the front-end computer controls the early warning display screen 45 before approach (bridge entrance) to display that the heavy vehicle is running on the bridge, please stand by the vehicle in situ, wait for the information of release notification and send the information to the vehicle through the vehicle-road cooperative system interface.
When the overall dimension of the vehicle which is about to drive into the bridge is smaller than the dimension of the vehicle which is allowed to pass through the bridge and the weight of the vehicle is smaller than the residual safety bearing capacity of the bridge, the front-end computer controls the vehicle control subsystem to be installed in front of the approach bridge (bridge entrance), the early warning display screen 45 prompts that the truck can drive into the bridge and pass through the bridge according to the guiding schedule, and the information is sent to the vehicle through the vehicle road cooperative system interface.
When the weight of the vehicle driving into the next bridge section is larger than the residual safe bearing capacity of the next bridge section, the front-end computer controls the heavy vehicle guiding display screen 4 of the bridge section to display information, so that the heavy vehicle reduces the speed in advance and stops for waiting if necessary; or using traffic lights 42 on the bridge and on the bridge pavement expansion joints to prohibit vehicles from entering the bridge section; and sends the message to the vehicle via the vehicle-road cooperative system interface.
Preventing unbalanced load overturning: the front-end computer on the bridge site simulates and calculates the unbalanced load moment of the heavy-duty vehicle on the bridge in each vehicle road running state, when the unbalanced load moment is larger than the residual safe unbalanced load moment of the bridge, the lane is a forbidden lane, and the front-end computer on the bridge site controls the heavy-duty vehicle guiding display screen 4 of the bridge section to display the lane information of the vehicles allowed to run; or send this message to the vehicle via the road co-system interface. If the heavy vehicle exists in the next bridge section and the driving-in of any lane exceeds the residual safe unbalanced load moment, the computer at the front end of the bridge site controls the heavy vehicle guiding display screen 4 of the bridge section to display the information of stopping the heavy vehicle and waiting in situ; or using traffic lights 42 on the bridge and on the bridge pavement expansion joints to prohibit vehicles from entering the bridge section; and sends the message to the vehicle via the vehicle-road cooperative system interface.
Treatment of bridge overload or unbalanced load emergency conditions: the heavy vehicle is forbidden or enters a specified lane according to the requirement, so that the bridge is overloaded or unbalanced, the front-end computer of the bridge site immediately reports the background of the traffic control center, and the early warning display screen 45 before the approach (bridge entrance) is controlled to display the information of the bridge danger in front; the traffic signal lamp 43 before approach (bridge entrance) is lighted with red light to prohibit all vehicles from driving into the bridge; and broadcast this message to nearby vehicles via the road co-system interface. Meanwhile, the bridge site front-end computer re-simulation calculation comprises that the vehicle can ride on a vehicle channel, the traffic flow distribution of the bridge safety state is restored at the highest speed, and the heavy vehicle is re-guided by controlling the heavy vehicle guiding display screen 4 of the bridge section, the traffic signal lamps 43 on the bridge and the bridge pavement expansion joints, the vehicle-road collaborative system interface to send information and other modes, so that the bridge safety state is restored.
There are, of course, many specific embodiments of the invention, not set forth herein. All technical solutions formed by equivalent substitution or equivalent transformation fall within the scope of the invention claimed.
Claims (6)
1. Anti-overturning system for bridge active guiding dispatching vehicle is characterized in that: comprises a control unit and a control unit, wherein the control unit is electrically connected with the control unit,
bridge monitoring subsystem: the device is used for timely monitoring deformation and stress of the bridge;
vehicle monitoring subsystem: the vehicle weight monitoring system is used for identifying and monitoring vehicle information and weight of vehicles entering the bridge;
and the vehicle flow control subsystem: for guiding vehicles on the bridge and vehicles to be driven into the bridge; the control unit is connected with the traffic control background;
the control unit collects corresponding data of the bridge monitoring subsystem and the vehicle monitoring subsystem, and controls the passing vehicle through the vehicle control subsystem after analysis and judgment to prevent the bridge from overturning;
the scheduling method of the system comprises the following steps:
s1, identifying a vehicle entering a bridge through a second AI monitoring camera of a vehicle monitoring subsystem, weighing and measuring the vehicle by using a vehicle axle weight sensor aiming at a heavy vehicle, and transmitting vehicle information and a weighing result to a control unit;
s2, identifying each heavy vehicle running on the bridge through a first AI monitoring camera of the vehicle monitoring subsystem, tracking the bridge section and the lane where the heavy vehicle is located, and transmitting identification and tracking information to the control unit;
s3, sampling is carried out by the bridge monitoring subsystem according to the sampling rate not lower than 10Hz, data are sent to the control unit in real time, the control unit analyzes the bridge monitoring data according to the rate not lower than 10Hz, the control unit calculates the current load and unbalanced load moment of each bridge segment according to the bridge real-time monitoring data, and calculates the residual safety bearing capacity and residual safety unbalanced load moment of each segment of bridge according to the maximum allowable load and unbalanced load moment of a given bridge;
s4, the control unit guides the vehicles on the bridge and the vehicles to be driven into the bridge through the traffic flow control subsystem according to the actual stress situation of the bridge, so that the bridge is prevented from being overloaded and overturned;
the guiding of S4 includes the following steps:
when the external dimension of the vehicle which is about to drive into the bridge is larger than the permitted traffic dimension of the bridge or the weight of the vehicle is larger than the whole maximum safe bearing capacity of the bridge, the control unit controls the early warning display screen before approach to display the overrun of the vehicle and prohibit the vehicle from driving into the bridge; or the traffic signal lamp before approach is enabled to light red light, and the vehicles are forbidden to drive into the bridge; transmitting a message for prohibiting passing to the vehicle through a vehicle-road cooperative system interface;
when the overall size of the vehicle which is about to drive into the bridge is smaller than the allowed passing vehicle size of the bridge and the weight of the vehicle is smaller than the overall maximum safe bearing capacity of the bridge but is larger than the current residual safe bearing capacity of the bridge, the front-end computer controls the early warning display screen before approach to display that the heavy vehicle passes through the bridge, please stand by the vehicle in situ, wait for the information of release notification and send the information to the vehicle through the vehicle-road cooperative system interface;
when the external dimension of the vehicle which is about to drive into the bridge is smaller than the dimension of the vehicle which is allowed to pass through the bridge and the weight of the vehicle is smaller than the residual safe bearing capacity of the bridge, the front-end computer controls the early warning display screen of the vehicle control subsystem which is arranged before the approach to prompt the vehicle to drive into the bridge and pass through the bridge according to the guiding schedule, and sends the message to the vehicle through the vehicle-road cooperative system interface;
when the weight of the vehicle driving into the next bridge section is larger than the residual safe bearing capacity of the next bridge section, the front-end computer controls the heavy vehicle guiding display screen of the bridge section to display information, so that the speed of the heavy vehicle is reduced in advance, and the vehicle is stopped and waited when necessary; or traffic signal lamps on the bridge and the bridge pavement expansion joints are used for prohibiting vehicles from entering the bridge section; the message is sent to the vehicle through the vehicle-road cooperative system interface;
preventing unbalanced load overturning: the method comprises the steps that a bridge site front-end computer simulates and calculates the unbalanced load moment of a heavy vehicle on a bridge in each vehicle road running state, when the unbalanced load moment is larger than the residual safe unbalanced load moment of the bridge, the lane is a forbidden lane, and the bridge site front-end computer controls a heavy vehicle guide display screen of a bridge section to display lane information of the vehicle allowed to run; or sending the message to the vehicle through a vehicle-road cooperative system interface; if the heavy vehicle exists in the next bridge section and the driving-in of any lane exceeds the residual safe unbalanced load moment, the computer at the front end of the bridge site controls the heavy vehicle guiding display screen of the bridge section to display the information of stopping the heavy vehicle and waiting in situ; or traffic signal lamps on the bridge and the bridge pavement expansion joints are used for prohibiting vehicles from entering the bridge section; the message is sent to the vehicle through the vehicle-road cooperative system interface;
treatment of bridge overload or unbalanced load emergency conditions: the heavy vehicle is forbidden or enters a specified lane according to the requirement, so that the bridge is overloaded or unbalanced, a front-end computer of the bridge site immediately reports the background of a traffic control center, and an early warning display screen before approach is controlled to display the dangerous information of the bridge in front; the traffic signal lamp before approach is enabled to light red light, and all vehicles are forbidden to drive into the bridge; broadcasting the message to nearby vehicles through a vehicle-road cooperative system interface; meanwhile, the bridge site front-end computer re-simulation calculation comprises that the vehicle can ride on a vehicle channel, the traffic flow distribution of the bridge safety state is recovered at the highest speed, the heavy vehicle is re-guided by controlling a heavy vehicle guiding display screen of a bridge section, traffic signal lamps on a bridge and a bridge pavement expansion joint and a vehicle-road cooperative system interface to send information, and the bridge safety state is recovered.
2. The anti-overturning system for actively guiding a dispatching vehicle for a bridge of claim 1, wherein: the bridge monitoring subsystem comprises a force sensor or a displacement sensor arranged on the support, a first strain sensor arranged on the buttress below the support, inclination sensors arranged at two ends and in the middle of the bridge plate, a second strain sensor arranged at two transverse ends and in the middle of the bridge bottom plate and a measuring camera arranged on the pier.
3. The anti-overturning system for actively guiding a dispatching vehicle for a bridge of claim 2, wherein: the bridge pier is characterized in that pier characteristic points are arranged on the pier, the measuring camera is provided with a first measuring camera and a second measuring camera, the first measuring camera is arranged at a position capable of completely shooting images of the bottom edge of the bridge plate and the pier characteristic points, and the second measuring camera is arranged at a position capable of shooting complete images of the bottom surface of the bridge plate.
4. The anti-overturning system for actively guiding a dispatching vehicle for a bridge of claim 3, wherein: the second strain sensors are arranged at 3 or more than 3 and uniformly distributed at the two transverse ends and the middle of the bridge bottom plate.
5. The anti-overturning system for actively guiding a dispatching vehicle for a bridge of claim 1, wherein: the vehicle monitoring subsystem comprises a first AI monitoring camera arranged on the full bridge section, a second AI monitoring camera arranged in front of the approach bridge and a vehicle axle weight sensor.
6. The anti-overturning system for actively guiding a dispatching vehicle for a bridge of claim 1, wherein: the traffic flow control subsystem comprises a guide display screen arranged on the full bridge section, an early warning display screen arranged before approach, traffic signal lamps arranged on the bridge and the bridge pavement expansion joint, and traffic signal lamps arranged before approach.
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| CN202210052353.0A CN114512004B (en) | 2022-01-18 | 2022-01-18 | Anti-overturning system for actively guiding and dispatching vehicles for bridge and dispatching method thereof |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003270029A (en) * | 2002-03-18 | 2003-09-25 | Mitsubishi Heavy Ind Ltd | Vehicle-weight measuring method, axle load measuring system and overloaded vehicle warning system |
| CN109859481A (en) * | 2019-04-04 | 2019-06-07 | 重庆工业自动化仪表研究所 | Bridge transfinites load monitoring and warning system and its control method |
| CN110827539A (en) * | 2019-10-30 | 2020-02-21 | 张家嘉 | Bridge overload management device and method |
| CN111350128A (en) * | 2020-03-20 | 2020-06-30 | 浙江省交通规划设计研究院有限公司 | Method and system for monitoring and early warning of overturning risk of beam bridge of single-column pier |
| CN111489559A (en) * | 2020-04-03 | 2020-08-04 | 河海大学 | System and method for monitoring and early warning overload of viaduct |
| CN111710165A (en) * | 2020-08-17 | 2020-09-25 | 湖南大学 | Bridge supervision and early warning method and system based on multi-source monitoring data fusion and sharing |
| CN111986475A (en) * | 2020-07-28 | 2020-11-24 | 江苏衡云智能科技有限公司 | Bridge bearing weighbridge monitoring, managing and early warning system and operation method |
| CN113310527A (en) * | 2021-06-16 | 2021-08-27 | 深圳防灾减灾技术研究院 | Overload and overturning monitoring and early warning method for single-pier overpass based on comprehensive perception |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201508484U (en) * | 2009-07-17 | 2010-06-16 | 重庆交通大学 | Intelligent monitoring system for bridge |
| CN208984054U (en) * | 2018-11-13 | 2019-06-14 | 青海民族大学 | A kind of bridge bearing force checking device |
| CN214951515U (en) * | 2021-06-16 | 2021-11-30 | 深圳防灾减灾技术研究院 | Overload and overturning monitoring and early warning system for single-pier overpass based on comprehensive perception |
-
2022
- 2022-01-18 CN CN202210052353.0A patent/CN114512004B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003270029A (en) * | 2002-03-18 | 2003-09-25 | Mitsubishi Heavy Ind Ltd | Vehicle-weight measuring method, axle load measuring system and overloaded vehicle warning system |
| CN109859481A (en) * | 2019-04-04 | 2019-06-07 | 重庆工业自动化仪表研究所 | Bridge transfinites load monitoring and warning system and its control method |
| CN110827539A (en) * | 2019-10-30 | 2020-02-21 | 张家嘉 | Bridge overload management device and method |
| CN111350128A (en) * | 2020-03-20 | 2020-06-30 | 浙江省交通规划设计研究院有限公司 | Method and system for monitoring and early warning of overturning risk of beam bridge of single-column pier |
| CN111489559A (en) * | 2020-04-03 | 2020-08-04 | 河海大学 | System and method for monitoring and early warning overload of viaduct |
| CN111986475A (en) * | 2020-07-28 | 2020-11-24 | 江苏衡云智能科技有限公司 | Bridge bearing weighbridge monitoring, managing and early warning system and operation method |
| CN111710165A (en) * | 2020-08-17 | 2020-09-25 | 湖南大学 | Bridge supervision and early warning method and system based on multi-source monitoring data fusion and sharing |
| CN113310527A (en) * | 2021-06-16 | 2021-08-27 | 深圳防灾减灾技术研究院 | Overload and overturning monitoring and early warning method for single-pier overpass based on comprehensive perception |
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