KR101816566B1 - Bridge maintenance system using vehicle sensor, and method for the same - Google Patents

Abstract

As a vehicle sensor including a load cell and a driving sensor is installed in a vehicle entering a bridge and a bridge response meter is installed in the bridge, the present invention is capable of determining whether the vehicle is overloaded or not while at the same time conducting safety diagnosis on the bridge, and also, enabling the vehicle′s driver to identify the total weight and axial weight of the vehicle including loaded cargo through the vehicle sensor before entering the bridge, thereby enabling the driver to actively manage the regulation of overloading. Since the total weight of the bridge-entering vehicle is automatically identified without any extra measurement, an overloaded vehicle, which reduces the safety of structures and paved roads, is effectively managed. In addition, weight data of the bridge-entering vehicle and movement data of the bridge according to the weight of the vehicle are measured and stored in real time and long-term analysis is conducted on the data, and thus, without extra safety diagnosis, the present invention identifies the bridge′s performance, degree of aging, and damaged areas.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a bridge maintenance system using a vehicle sensor,

The present invention relates to a bridge maintenance management system, and more particularly, to a bridge maintenance management system in which a vehicle sensor including a load cell and a traveling sensor is mounted in an entry vehicle entering a bridge and a bridge response meter is installed in the bridge, The present invention relates to a bridge maintenance management system using a vehicle sensor and a method thereof, which can determine whether a vehicle is overloaded and simultaneously perform a safety diagnosis of the bridge in real time.

Generally, road pavements and bridges are designed and constructed by applying design loads that simulate the loads of a passing vehicle. If vehicles exceeding these design loads pass through the bridge, they can cause damage to the bridge, which requires maintenance of the road pavement. In particular, for bridges constructed with a design life of 75 years or more, .

Accordingly, the road management office limits the limited load of the on-road vehicles to 40 tons of total weight and 10 tons of axle as specified in the Road Law. For example, in the case of a fixed type, an overhead checkpoint is installed at a specific point on the road, and the overload state is determined by using a fixed weight scale. In addition, It is judged whether it is overloaded by the system.

On the other hand, the operation of the overloaded vehicle acts as a cause of damage to roads and bridge structures, thereby shortening the durability of the road, thereby increasing the maintenance cost. In addition, since the overhead vehicle has relatively low driving performance, it lowers the driving capacity of the corresponding road, and also acts as an environmental pollution factor around the road due to noise, vibration, and exhaust gas emission during operation.

In order to solve these problems, the authorities have applied various overload prevention systems and overload vehicle interception methods. One of them is installing a fixed axis weighing system that measures the weight of a vehicle by installing a sensor on the bottom of the road surface and also introducing Private Geelongs to construction sites, logistics warehouses and import and export ports where freight transportation is frequent.

 However, the measurement system using this system has not been operated nationwide because of the budget and equipment operation problems. Most of the over - measurement methods currently being implemented are located in the far distance from the station.

FIG. 1 is an installation view of a mobile and stationary vehicle weight measuring apparatus used for overspeed control according to the related art, wherein each vehicle weight is measured to identify and control the overloaded vehicle.

In the case of the mobile vehicle weight measuring apparatus 1, as shown in FIG. 1A, although the handling is simple, it is necessary to deliver the vehicle to the vehicle weighing apparatus 1 in order to measure whether or not the vehicle is overloaded There is a problem that the time is considerably long. In particular, there is a problem in that a safety accident such as a traffic accident may occur when a vehicle traveling at a high speed is stopped and stopped, and an excessive cost is directly or indirectly required to identify whether the vehicle is overloaded.

1 (b), the control box 12 and the display device 13 are attached to the load cell 11 attached to the plate which is directly touched by the vehicle's wheel, And the weight of the vehicle is measured to identify whether the vehicle is overloaded. This fixed vehicle weight measurement method gradually measures the vehicle weight in a state where the vehicle is slowly entered into the place where the plate is installed to measure the vehicle weight.

In other words, while using roads and roads, due to the nature of the vehicle, it is necessary to conduct oversupply at a number of places. However, in case of fixed type, the cost of installing separate overhead checkpoints on the roads, There is a limited number of openings, and in the case of a mobile type, the cost is low, but there is a risk that a risk of a safety accident is present when measuring on the roads with the manpower.

As a prior art, Korean Patent No. 10-695348 discloses an invention entitled " Non-burial type laser sensor car number automatic recognition device, laser sensor and tunnel emission management system and method using CCTV " Will be described with reference to FIG.

FIG. 2 is a block diagram of a tunnel disaster management system using a laser sensor and a CCTV, and a system for automatically recognizing a non-embedded laser sensor car number according to the prior art.

Referring to FIG. 2, the system for automatically recognizing non-buried laser sensor car numbers and the tunnel disaster management system using laser sensors and CCTV according to the related art includes a non-buried car number automatic recognition device 21, A sensor unit 22, a monitoring and traffic information photographing unit 23, a main processing control unit 24, a communication server 25 and a display device 26 and a canopy transmission unit.

The non-buried vehicle number automatic recognition device 21 includes a non-buried type laser detection unit, a photographing unit, an image processing unit, a traffic information analysis unit, and a database.

Specifically, the non-embedded laser detection unit includes a non-embedded laser sensor installed at each of at least two points, and when the vehicle enters a certain distance, it generates an individual vehicle speed and a trigger signal to detect the vehicle. The photographing unit is installed at each of at least two points and photographs the vehicle by receiving the point velocity and the trigger signal of the individual vehicle from the non-embedded laser detecting unit. The image processing unit receives the individual vehicle speed and the trigger signal from the vehicle detection unit, and recognizes the license plate from the image and data obtained from the photographing unit. The database stores the time and date data by receiving the acquired image for discriminating the number and position of the license plate, the individual vehicle speed and the trigger signal from the non-embedded laser detection unit. The Traffic Information Analysis Department analyzes the traffic information (point speed, traffic volume, occupancy, etc.) through the non-buried laser detection unit.

The non-buried laser sensor unit 22 is installed at at least one point. The non-buried laser sensor unit 22 is provided with an individual vehicle speed and a trigger signal to collect base point traffic information such as base point speed information, point speed, traffic volume, occupancy time, .

The monitoring and traffic information photographing unit 23 is composed of a photographing camera, a lighting device, and a monitoring camera, and measures the traffic information (point speed, traffic volume, occupancy rate, Etc.).

The main processing control unit 24 recognizes the license plate photographed from the monitoring and traffic information photographing unit 23 and transmits the spot traffic information to the disaster prevention management room or the external linking organization together with the recording of the passing time, Transmits the accurate section speed and lane violation information through the result to the relevant police station and the disaster prevention management room or the external link agency and transmits the individual vehicle speed information obtained from the non-embedded laser sensor section to the disaster prevention management room or the external link agency, And transmits the section travel information to the display device 26 installed on the vehicle.

The communication server 25 connects the non-embedded car number recognition device 21, the non-embedded laser sensor unit 22, the monitoring and traffic information photographing device unit 23, and the main process control unit 24 to the mobile communication network And communicates with the wired / wireless network so as to display the point traffic information, the base point traffic information, and the travel time on the display device 26.

According to the conventional non-embedded laser sensor car number automatic recognition device, the laser sensor and the tunnel disaster management system using the CCTV, the photographing device is operated using the non-buried sensor and the car number automatic recognition device, Especially, unlike the buried loop, the non-buried laser detector and CCTV have no damage to the road. In order to recover the detector at the time of failure, the vehicle control in the tunnel is unnecessary. Therefore, the vehicle does not stagnate and the complaint does not occur. In addition, since failure measures are promptly performed, there is no inconvenience to the users, and the maintenance is provided to the manager more easily.

In the case of a non-buried type laser sensor automatic number recognition device, a laser sensor, and a tunnel disposal management system using CCTV according to the related art, it is installed at least one point with a non-buried type car number automatic recognition device, A non-embedded laser sensor unit for generating individual vehicle speeds and trigger signals is used to collect base traffic information such as speed information, point speed, traffic volume, occupancy time, and vehicle type.

However, in the case of a non-buried laser sensor vehicle number recognition device, a laser sensor and a tunnel disaster management system using CCTV according to the related art, the configuration of the vehicle itself is not used.

On the other hand, as a prior art, Korean Patent Registration No. 10-1302558 discloses an invention entitled " Over-the-Vehicle Automatic Interruption System and Method ", which will be described with reference to FIG.

Fig. 3 is a diagram showing an over-ride automatic intervention system according to the prior art. Fig. 3 (a) is a schematic view of an over-speed interrupter, and Fig. 3 (b) is a configuration of an over-

The overload automatic interception system according to the related art includes an over-speed interrupter that measures and analyzes the weight, width, length, and height of a vehicle and transmits the result to a relay server; A relay server for receiving the information of the over-speed interrupting device, determining whether the over-provisioning device is excessively overloaded, and transmitting the offending vehicle information to the registration server; A registration server receiving the violation vehicle information from the relay server and issuing a bill and storing information; And a communication network for connecting the relay server and the registration server by wire or wireless.

3, the over-speed interrupter 40 includes an entry detecting means 41, an advance detecting means 42, a photographing means 43, an image analyzing means 44, a weight measuring means 46 and transmission means 45. [

 As shown in Fig. 3 (a), the entry detection means 41 is installed on the road surface and applies a load as the vehicle passes. In addition, the entry detecting means 41 detects the load of the vehicle, recognizes the entry of the vehicle, and transmits a signal to the photographing means 43. At this time, the entry detecting means 41 means the start of the road section photographed by the photographing means 43. [

 The entry detection means 42 is installed on the rear road surface of the entry detection means 41 and applies a load as the vehicle passes. 3, the advance detection means 42 is installed next to the entry detection means 41 on the basis of the running direction of the vehicle, and the vehicle passes through the entry detection means 41 And then passes through the advance detection means 42. [ The advance detection means 42 senses the load of the vehicle, recognizes the advance of the vehicle, and transmits a signal to the photographing means 43. At this time, the entry detecting means 41 means the end of the road section photographed by the photographing means 43.

Further, a supporting means 30 for supporting the photographing means 43 is provided on the road. The support means 30 is composed of a vertical support 31 vertically installed on both sides of the road, a horizontal support 32 connecting the both vertical supports 31, and the like. The horizontal support 32 may be installed so as to be perpendicular to the extending direction of the road.

 The supporting means (30) is provided with a photographing means (43). The photographing means 43 is operated by receiving the signal of the entry detecting means 41 and photographs the road to acquire an image including the traveling vehicle. Then, the operation is stopped by receiving the signal of the advance detecting means 42. Specifically, the photographing means 43 continuously photographs a road as a still image or photographs a moving image until it receives a signal of the entry detection means 41 and then receives a signal of the entry detection means 42. The image photographed by the photographing means 43 is stored in the memory of the image analyzing means 44. [

The photographing means 43 includes a first photographing portion 43a provided on the horizontal support 32 and a second photographing portion 43b provided on the vertical support 31. [ The first photographing section 43a is installed such that the lens is directed downward from the upper portion of the road. In the first photographing section 43a, an image of the top surface of the vehicle running on the road is obtained. The second photographing portion 43b is installed such that the lens is directed from the outside to the center of the road. In the second photographing section 43b, a side image of the vehicle running on the road is obtained.

 The image analyzing means 44 analyzes the image obtained by the photographing means 43, reads the number of the vehicle, and calculates the width, the length and the height. The information analyzed by the image analyzing means 44, that is, the car number, the width, the length, and the height are transmitted to the relay server through the transmitting means 45.

As shown in FIG. 3A, the weight measuring means 46 is installed behind the entry detecting means 41 and detects an electric signal according to a load applied when the vehicle passes over it, do. Specifically, the weight measuring means 46 measures the axial load of each wheel of the traveling vehicle using the load sensor, and calculates the total weight of the vehicle from the measured axial load. Then, the information calculated by the weight measuring means 46, that is, the axial load and the total weight, is transmitted to the relay server via the transmitting means 45. [

According to the over-ride automatic interception system according to the related art, the shaft weight and the total weight are measured by sensing the load signal of the vehicle under running, and the length, height, and width are measured by photographing the vehicle during running It is possible to automatically control an overloaded vehicle without obstructing the traffic of the vehicle being driven. It is also possible to check whether the vehicle is overloaded and determine whether the overloaded vehicle is a previously notified vehicle, and to request the registration server to issue a notice in case of a violating vehicle that has not been notified, The entire process from issuance of a fines reminder can be done automatically.

On the other hand, as another prior art, Korean Patent No. 10-685006 discloses an invention entitled " Method and system for overloading vehicles, " which will be described with reference to FIG.

4 (a) is a specific configuration diagram of a speeding vehicle interrupter installed in a vehicle, and Fig. 4 (b) is a detailed configuration diagram of an overspeed interrupted terminal to be.

Referring to FIG. 4, the over-the-vehicle interception system according to the prior art includes an in-vehicle over-interrupter 50, an overspeed termination 60 and a central control server 70.

The overspeed vehicle interrupter 50 installed in the vehicle includes a load measuring unit 52 for generating a load value of the vehicle using the sensor values of the sensor unit 51 as shown in FIG. A first storage unit 54 for storing the vehicle information of the vehicle and the input load value; A first intermittent information request signal for requesting first intermittent information including vehicle information and a load value from the excessive intercepting terminal 60 during the operation of the vehicle and transmitting the first intermittent information to the excessive intercepting terminal 60 A wireless transceiver unit 57; The load value is received from the load measuring unit and output to the first storage unit 54. The vehicle information and the load value from the first storage unit 54 in response to the intermittent information request signal input from the first wireless transmitting / A first controller 53 for generating first intermittent information and outputting the first intermittent information to the first wireless transceiver 57; And a first and a second display unit 55 and 56 for receiving the load value from the first control unit 53 and displaying the load value on at least one of the driver and the loader of the vehicle.

The over-provisioning terminal 60 receives the first interconnection information, determines whether the vehicle is overloaded, generates second interconnection information including the first interconnection information for the over-vehicle, and transmits the second interconnection information through the predetermined communication network.

Specifically, the over-provisioning terminal 60 includes a second wireless transmitting / receiving unit 61 for transmitting an intermittent information request signal to the vehicle under operation and receiving the first intermittent information, as shown in Fig. 4B); The vehicle information and the load value are extracted from the first intermittent information input from the second wireless transmitting / receiving unit 61 to check whether the vehicle is overloaded. If the vehicle is determined to be overloaded, the intermittent time information is included in the first intermittent information A second control unit (62) for generating and outputting second intermittent information; A wired / wireless communication unit (64) for transmitting the second intermittent information to a central control server through a communication network; And a second storage unit 63 for storing the second intermittent information of all the vehicles that have been examined for overload or for storing only the second intermittent information of the overturned vehicle.

The central control server 70 receives and stores the second intermittent information through the communication network.

According to the over-ride control system according to the related art, the load of the cargo loaded when the cargo is loaded on the vehicle is displayed in real time to the driver and the cargo loader of the vehicle in real time, thereby preventing the overload of the vehicle .

On the other hand, in order to ascertain the safety of bridge structures, safety diagnosis is periodically conducted on the first and second facilities specified by the Special Law on Facilities Safety. However, among the 30,000 bridges in Korea, the first and second bridges are 10,000 Of the total number of bridge facilities. Accordingly, there is a need for a device that can be easily installed in most bridges to perform safety diagnosis, and to easily control overload of a passing vehicle.

Korean Patent No. 10-685006 filed on January 26, 2005, entitled " Overload Vehicle Interruption Method and System " Korean Patent No. 10-1302558 filed on Aug. 31, 2012, entitled " Over-the-Vehicle Automatic Regulation System & Korean Patent No. 10-1017274 filed on Dec. 9, 2008, entitled " Vehicle Load Measurement Device and Measurement Method " Korean Patent No. 10-695348 filed on Feb. 25, 2005, entitled " Tunnel Disaster Management System and Method Using Automatic Detection of Non-buried Laser Sensor Vehicle Number and Laser Sensor & CCTV " Japanese Unexamined Patent Publication No. 1999-218438 (published on Aug. 1, 1999), entitled "Vehicle weight determination device" Korean Patent No. 10-1025194 filed on Dec. 26, 2003, entitled " Korean Patent No. 10-1270641 filed on November 24, 2010, entitled " Vehicle Load Measurement Device " Korean Patent No. 10-1308925 filed on Feb. 26, 2013, entitled " Vehicle Real Time Load Measurement Device and Load Measurement Method " Korean Registered Patent No. 10-1422644 filed on Jan. 28, 2014, entitled " Japanese Patent Registration No. 5340000 (filed on April 7, 2009), entitled "Vehicle Weighing System" Japanese Laid-Open Patent No. 2008-175607 (published on July 31, 2008), entitled " vehicle metering method and vehicle metering system &

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems of the prior art, and an object of the present invention is to provide a bridge response measuring instrument, which comprises a load sensor and a vehicle sensor including a traveling sensor, The present invention provides a bridge maintenance management system using a vehicle sensor and a method thereof, which can judge whether or not an entry vehicle is overloaded and simultaneously perform a safety diagnosis of a bridge in real time.

It is another object of the present invention to provide a vehicle control system for a vehicle in which a vehicle driver can grasp a total weight and a weight of a vehicle including a cargo by a vehicle sensor including a load cell and a traveling sensor, The present invention provides a bridge maintenance management system using the sensor and a method thereof.

Another object of the present invention is to provide a bridge control method and a bridge control method capable of effectively controlling the operation of an overloaded vehicle that hinders the safety of road pavement and structure by automatically grasping the gross weight of a bridge entering vehicle without additional measurement, Bridge maintenance system and method therefor.

As a means for achieving the above-mentioned technical object, a bridge maintenance system utilizing a vehicle sensor according to the present invention includes a load cell for measuring a total weight of an entrance vehicle entering a bridge, A vehicle sensor including the sensor to generate measurement information, the vehicle sensor being mounted in the entry vehicle; A vehicle-mounted device for generating vehicle information including measurement information measured by the vehicle sensor and vehicle specification information of the entry vehicle, and transmitting the generated vehicle information through a short-range wireless communication module; A bridge response meter installed at a predetermined position of the bridge to generate behavior data of the bridge; Wherein the control unit receives the vehicle information from the entry vehicle to determine whether the entry vehicle is overloaded, analyzes the bridge behavior data measured by the bridge response meter, An administrator terminal for performing a safety diagnosis of the bridge in accordance with the bridge behavior data; A maintenance server for receiving a bridge safety result from the manager terminal; And a traffic information indicator that receives and displays a bridge safety result from the maintenance server, wherein the measurement information of the vehicle sensor includes a total amount of the vehicle generated in the load cell and a rotational speed and a rotational force generated from the traveling sensor Wherein the on-board device is capable of generating vehicle information by receiving vehicle specification information including a unique identification code, a wheel interval, and an inter-vehicle distance from a vehicle specification provided in the entry vehicle and combining the information with the measurement information .

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Here, the manager terminal permits the entrance vehicle to pass through the bridge when the weight of the entry vehicle is determined to be within the allowable load, and the vehicle weight from the vehicle sensor attached to the entrance vehicle at the time of passing through the bridge, And the measurement information is received.

When the bridge response meter measures the response of the bridge and generates the bridge behavior data, the administrator terminal calculates the response of the bridge due to the weight of the entering vehicle by using the specifications of the previously stored bridge, The abnormality of the bridge can be detected by comparing with the behavior data and the safety diagnosis can be performed in real time.

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Here, the manager terminal includes a short range wireless communication module for communicating with the short range wireless communication module mounted in the entry vehicle and receiving the vehicle information; A data collecting unit collecting the vehicle information received from the near-field wireless communication module and the bridge response data measured by the bridge response meter; A data processing and analyzing unit for calculating a shaft response, an inter-shaft distance, and a vehicle speed according to the vehicle information among the data collected by the data collecting unit, and calculating a bridge response characteristic according to the data measured by the bridge response meter; An inter-axis distance and a vehicle speed calculated by the data processing and analyzing unit and the pre-stored data to determine whether the entry vehicle is overloaded, and the axle weight and the gross weight of the entrance vehicle calculated by the data processing and analysis unit An over-determining unit for determining whether the allowable criterion is exceeded; A safety diagnosis unit that compares the bridge response characteristics calculated by the data processing and analysis unit and the determination result of the overload determination unit with previously stored data to perform a safety diagnosis of the bridge in real time; And a communication module for transmitting the safety diagnosis result performed by the safety diagnosis unit to the maintenance server.

If the controller determines that the rotation speed and the turning force of the arbitrary wheel change rapidly, the manager terminal generates a warning and notifies the maintenance server of the information and transmits the information to the vehicle operator .

Here, the manager terminal warns that a slip has occurred on the surface of the bridge when the rotational speed and the turning force of the entry vehicle wheel have changed abruptly but there is no abrupt change in the bridge response, or a momentary rotation speed within 1 to 2 seconds And when there is a sudden change point in the response value of the bridge, it is possible to warn that the road surface irregularity has occurred.

Here, when the warning is generated, the manager terminal may transmit a warning to a following vehicle connected to the near field wireless communication module before entering the bridge of the entry vehicle, or alert the traffic information indicator via the maintenance server have.

In another aspect of the present invention, there is provided a method of maintaining a bridge using a vehicle sensor, the method comprising the steps of: (a) detecting a vehicle sensor having a load cell and a traveling sensor mounted in a bridge- Generating information; b) generating vehicle information that combines the vehicle specification and the measurement information with the onboard device mounted in the bridge entry vehicle; c) transmitting the vehicle information to the administrator terminal through a short-range wireless communication module installed in the bridge entry vehicle; d) measuring the bridge response through a bridge response meter installed in the bridge to generate bridge behavior data; e) determining whether the bridge entry vehicle is overloaded according to the received vehicle information; f) performing the bridge safety diagnosis according to the over determination result and the bridge behavior data by the administrator terminal; g) transmitting overload information to the bridge entry vehicle through the short-distance wireless communication module provided in the administrator terminal if the bridge entry vehicle determines that the bridge entry vehicle is overloaded; h) the manager terminal notifying the bridge maintenance management server of the bridge safety diagnosis result; And i) the maintenance server exposes the bridge safety diagnosis result through a traffic information indicator, wherein the measurement information of the vehicle sensor in step a) includes a total amount of the vehicle generated in the load cell, Wherein the on-vehicle device receives the vehicle specification information including the unique identification code, the wheel interval, and the inter-vehicle distance from the on-vehicle device mounted in the entry vehicle, and combines the received vehicle specification information with the measurement information And generates vehicle information.

According to the present invention, a vehicle sensor including a load cell and a traveling sensor is mounted in an entrance vehicle entering a bridge, and a bridge response meter is installed in the bridge, thereby determining whether the bridge entry vehicle is overloaded before entering the bridge, Safety diagnosis can be performed in real time.

According to the present invention, the limit load of the vehicle is limited to the gross weight and the axial load in accordance with the present road method, and the vehicle driver can grasp the total weight and the axial load of the vehicle including the load cargo before entering the bridge by the vehicle sensor including the load cell and the traveling sensor Therefore, the driver of the vehicle can actively cope with oversupply.

According to the present invention, it is possible to effectively manage the operation of an overload vehicle (a vehicle exceeding a limit load) that hinders the road packaging and the safety of the structure by automatically grasping the gross weight of the bridge entering vehicle without additional measurement, Maintenance manpower and budget can be saved, road pavement and structural safety can be ensured.

According to the present invention, the weight data of the actual vehicle entering the bridge and the behavior data of the bridge according to the corresponding vehicle load are measured and stored in real time. By analyzing such data in the long term, , The degree of deterioration, the location of damage, etc., and thus, the bridge safety management can be efficiently carried out.

FIG. 1 is an installation view of a mobile and fixed vehicle weight measuring device used for over-speeding according to a conventional technique.
FIG. 2 is a block diagram of a tunnel disaster management system using a laser sensor and a CCTV, and a system for automatically recognizing a non-embedded laser sensor car number according to the prior art.
3 is a diagram showing an over-the-vehicle automatic interception system according to the prior art.
4 is a block diagram of an over-the-vehicle intervention system according to the prior art.
5 is a schematic view for explaining a bridge maintenance system utilizing a vehicle sensor according to an embodiment of the present invention.
6 is a schematic view showing a bridge maintenance system using a vehicle sensor according to an embodiment of the present invention.
7 is a configuration diagram specifically showing a bridge maintenance management system utilizing a vehicle sensor according to an embodiment of the present invention.
8 is an operation flow of a bridge maintenance method using a vehicle sensor according to an embodiment of the present invention.

Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and similar parts are denoted by like reference characters throughout the specification.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise. Also, the term "part" or the like, as described in the specification, means a unit for processing at least one function or operation, and may be implemented by hardware, software, or a combination of hardware and software.

[Bridge Maintenance System Using Vehicle Sensor (100)]

FIG. 5 is a view for schematically explaining a bridge maintenance management system using a vehicle sensor according to an embodiment of the present invention, and FIG. 6 is a schematic diagram of a bridge maintenance management system using a vehicle sensor according to an embodiment of the present invention. Fig.

5 and 6, a bridge maintenance system 100 using a vehicle sensor according to an embodiment of the present invention includes an entrance vehicle 110, an administrator terminal 120, a bridge response meter 130, A management server 140 and a traffic information indicator 150.

The incoming vehicle 110 entering the bridge 200, in particular the heavy vehicle, includes a load sensor capable of weighing on the wheel or wheel axle, and a vehicle sensor comprising a traveling sensor measuring the rotational speed and the magnitude of the rotational force of each wheel And transmits the vehicle information to the administrator terminal 120 through the short-range wireless communication module. At this time, the speed and the weight of the entering vehicle 110 are controlled by using the vehicle on board device OBE mounted in the entering vehicle 110, To the wireless communication module. At this time, the on-board device (OBE) stores a unique identification code for a vehicle specification for identifying a manufacturing specification such as a wheel interval and an inter-axis distance on the same wheel axis of the vehicle, To the near-field wireless communication module.

As shown in FIG. 5, at least a plurality of bridge response meters 130 capable of measuring responses of bridges such as acceleration, displacement, and strain are installed at predetermined positions of the bridge 200.

The administrator terminal 120 includes a short range wireless communication module capable of communicating with the entrance vehicle 110 before entering the bridge 200 and has a communication module capable of real time communication with the maintenance server 140 . Accordingly, the administrator terminal 120 can store the information collected from the entry vehicle 110 and the response measured through the bridge response meter 130 installed in the bridge 200 for several hours to several days, And bridge safety diagnosis can be performed in real time by analysis.

The maintenance server 140 may receive the safety diagnosis result from the administrator terminal 120 and display the safety diagnosis result through the traffic information indicator 150 or the like.

Meanwhile, FIG. 7 is a configuration diagram specifically illustrating a bridge maintenance management system utilizing a vehicle sensor according to an embodiment of the present invention.

Referring to FIG. 7, a bridge maintenance system 100 using a vehicle sensor according to an embodiment of the present invention includes an entrance vehicle 110, an administrator terminal 120, a bridge response meter 130, a maintenance server 140 and a traffic information indicator 150. The entrance vehicle 110 includes a vehicle sensor 111, a vehicle mount apparatus 112, a vehicle specifier 113, and a near field wireless communication module 114, Wherein the vehicle sensor 111 may include, but is not limited to, a load cell 111a and a travel sensor 111b.

The vehicle sensor 111 includes a load cell 111a for measuring the total weight of the incoming vehicle 110 entering the bridge 200 and a traveling sensor 111b for measuring the rotational speed and rotational force of the incoming vehicle 110, Information, and is mounted in the entry vehicle 110. The load cell 111a is mounted in the entrance vehicle 110 to measure the total weight of the entrance vehicle 110. The travel sensor 111b measures the rotational speed and rotational force of the entrance vehicle 110 110).

The in-vehicle device 112 generates vehicle information including measurement information measured by the vehicle sensor 111 and vehicle specification information of the entry vehicle 110, and transmits the generated vehicle information through the near field wireless communication module 114. Specifically, the measurement information of the vehicle sensor 111 includes the total amount of the vehicle generated in the load cell 111a, the rotational speed and the rotational force generated from the traveling sensor 111b, Vehicle specification information including a unique identification code, a wheel interval and an inter-axis distance is received from a vehicle specification providing unit 113 mounted in the entrance vehicle 110, and combined with the measurement information to generate vehicle information. Accordingly, the vehicle information is transmitted to the administrator terminal 120 via the short-range wireless communication module 114, and the short-range wireless communication module 114 may be a Bluetooth module, but the present invention is not limited thereto.

The bridge response meter 130 is installed at a predetermined position of the bridge 200 so as to grasp the behavior of the bridge 200. For example, the bridge response meter 130 may be installed at a plurality of predetermined positions of at least one of the accelerometer, the displacement meter, and the strain gauge.

The manager terminal 120 receives the vehicle information from the entry vehicle 110 to determine whether the entry vehicle 110 is overloaded or not, , And the safety diagnosis of the bridge is carried out according to the accumulated vehicle information and the bridge behavior data. In addition, if the controller 120 monitors the rotation speed and the rotational force of the wheel of the entrance vehicle 110 and determines that the rotational speed and the rotational force of the arbitrary wheel change rapidly, the manager terminal 120 generates a warning and transmits the information to the maintenance server 140 ).

Specifically, the administrator terminal 120 includes a local area wireless communication module 121, a data collection unit 122, a data processing and analysis unit 123, an overload determination unit 124, a safety diagnosis unit 125, (126). ≪ / RTI >

The local area wireless communication module 121 of the manager terminal 120 communicates with the local area wireless communication module 114 installed in the entrance vehicle 110 to receive the vehicle information.

The data collecting unit 122 of the administrator terminal 120 collects the vehicle information received from the short range wireless communication module 121 and the bridge response data measured by the bridge response meter 130.

The data processing and analysis unit 123 of the manager terminal 120 calculates the axis, the inter-axis distance, and the vehicle speed according to the vehicle information among the data collected by the data collection unit 122, The bridge response characteristic is calculated according to the measured data.

The overload determination unit 124 of the manager terminal 120 compares the calculated data of the axle, the inter-axis distance, the vehicle speed, and the stored data calculated by the data processing and analysis unit 123 to determine whether the entry vehicle 110 is overloaded And determines whether the axle weight and the total weight of the entrance vehicle 110 calculated by the data processing and analysis unit 123 exceed the allowable standard.

The safety diagnosis unit 125 of the administrator terminal 120 compares the bridge response characteristics calculated by the data processing and analysis unit 123 and the determination result of the overload determination unit 124 with pre- ) In real time.

The communication module 126 of the administrator terminal 120 transmits the safety diagnosis result performed by the safety diagnosis unit 125 to the maintenance server 140.

In addition, the maintenance server 140 is installed in the bridge maintenance management subject, and receives the bridge safety result from the administrator terminal 120. [ Here, the maintenance server 140 may be omitted when the administrator terminal 120 can control the traffic information indicator 150. [

The traffic information indicator 150 receives and displays the bridge safety result from the maintenance server 140.

The bridge maintenance system 100 using the vehicle sensor according to the embodiment of the present invention is a device capable of measuring the shaft weight or the radius of the bridge as the bridge entrance vehicle 110 equipped with the load cell 111a enters the bridge 200 The entrance vehicle 110 transmits the vehicle information through the short range wireless communication module 121 of the administrator terminal 120 when the manager terminal 120 enters into the communication range capable of short range wireless communication.

The overload determination unit 124 of the administrator terminal 120 determines whether the entry vehicle 110 is overloaded before the entry vehicle 110 enters the bridge 200, The administrator terminal 120 performs a bridge safety diagnosis based on the over determination result and the bridge behavior data and transmits the bridge safety diagnosis result to the communication module 126. [ To the maintenance server 140 installed in the bridge management subject.

When the vehicle weight information is determined to be vehicle weight information that is equal to or larger than the allowable load by comparing the vehicle weight information with the permissible load of the bridge 200, the manager terminal 120 informs the vehicle operator and the bridge management subject that the vehicle enters the bridge It is also possible to make it impossible.

At this time, when the weight of the entry vehicle 110 is determined to be within the allowable load, the administrator terminal 120 allows the entrance vehicle 110 to pass through the bridge 200, The rotational speed of the vehicle, and the rotational force from the vehicle sensor 111 attached to the body 110 of the vehicle.

When the response of the bridge 200 is measured through the bridge response meter 130 installed in the bridge 200 to generate the bridge behavior data, the administrator terminal 120 uses the specification of the pre-stored bridge 200 A response of the bridge 200 due to the weight of the entrance vehicle 110 is calculated and compared with the bridge behavior data of the bridge response meter 130 installed in the bridge 200 to detect an abnormal symptom of the bridge 200, Diagnosis can be performed in real time. Then, the security module 140 transmits the safety diagnosis result to the maintenance server 140 using the communication module 126 of the administrator terminal 120.

On the other hand, when the manager terminal 120 installed in the bridge 200 monitors the rotational speed and the rotational force of the wheel of the entrance vehicle 110 and determines that the rotational speed and the rotational force of the arbitrary wheel change rapidly, To the maintenance server 140 or to the vehicle operator.

According to the bridge maintenance system using the vehicle sensor according to the embodiment of the present invention, when the rotational speed and the rotational force are changed abruptly but there is no abrupt change in the bridge response, the occurrence of a slip on the surface of the road- For example, if there is a sudden change point in the response value of the bridge 200 along with a momentary rotation speed change within 1 to 2 seconds, it is possible to warn that a road surface irregularity such as a porthole occurs . At this time, if any warning is generated, the warning is transmitted to the following vehicle that is connected to the near field wireless communication module 121 of the administrator terminal 120 before entering the bridge 200, And may alert the user through the traffic information indicator 150 or the like.

As a result, according to the bridge maintenance management system utilizing the vehicle sensor according to the embodiment of the present invention, by installing the vehicle sensor including the load cell and the traveling sensor in the entrance vehicle entering the bridge and installing the bridge response meter on the bridge, It is possible to judge whether the vehicle is overloaded or not and to perform the safety diagnosis of the bridge in real time. In addition, the vehicle driver can grasp the total weight and the weight of the vehicle including the cargo by the vehicle sensor including the load cell and the traveling sensor before entering the bridge so that the vehicle driver can actively cope with the overcontrolling. In addition, by automatically grasping the gross weight of the vehicle entering the bridge without additional measurement, it is possible to effectively manage the operation of the overloaded vehicle which hinders the safety of the road pavement and the structure.

[Bridge maintenance method using vehicle sensor]

8 is an operation flow of a bridge maintenance method using a vehicle sensor according to an embodiment of the present invention.

8, a bridge maintenance method using a vehicle sensor according to an embodiment of the present invention includes a bridge 200, a vehicle 200 having a load cell 111a and a traveling sensor 111b mounted in the entrance vehicle 110, The sensor 111 generates measurement information during running (S110). For example, the total weight of the vehicle is measured from the load cell 111a, and the rotational speed and rotational force are measured from the traveling sensor 111b.

Next, the vehicle on board device (OBE) 112 mounted in the bridge 200 entrance vehicle 110 generates the vehicle information combining the vehicle specification and the measurement information (S120). That is, the measurement information of the vehicle sensor 111 includes the total amount of the vehicle generated in the load cell 111a, the rotational speed and the rotational force generated from the traveling sensor 111b, and the on- Vehicle specification information including a unique identification code, a wheel interval and an inter-axis distance is received from a vehicle specification provider 113 mounted in the entry vehicle 110, and combined with the measurement information to generate vehicle information.

Next, the bridge 200 transmits the vehicle information to the administrator terminal 120 through the short-range wireless communication module 114 installed in the entrance vehicle 110 (S130).

Next, the bridge response is measured through the bridge response meter 130 installed in the bridge 200 to generate bridge behavior data (S140).

Next, the manager terminal 120 determines whether the bridge entry vehicle 110 is overloaded according to the received vehicle information (S150). At this time, when the weight of the entry vehicle 110 is determined to be within the allowable load, the administrator terminal 120 allows the entrance vehicle 110 to pass through the bridge 200, The rotational speed of the vehicle, and the rotational force from the vehicle sensor 111 attached to the body 110 of the vehicle.

Next, the administrator terminal 120 performs a bridge safety diagnosis based on the over determination result and the bridge behavior data (S160). That is, the administrator terminal 120 calculates the response of the bridge 200 due to the weight of the entrance vehicle 110 using the data of the bridge 200 previously stored, and calculates the bridge behavior data of the bridge response meter 130 And detects abnormality of the bridge 200 to perform safety diagnosis in real time.

Next, when the bridge entry vehicle 110 determines that the bridge entry vehicle 110 is overloaded, it transmits the overlay information to the bridge entry vehicle 110 through the near field wireless communication module 121 provided in the manager terminal 120 (S170).

Next, the administrator terminal 120 notifies the bridge maintenance management subject maintenance server 140 of the result of the bridge 200 safety diagnosis (S180).

Next, the maintenance server 140 displays the result of the safety diagnosis of the bridge 200 through the traffic information indicator 150 (S190).

As a result, according to the embodiment of the present invention, the weight data of the actual vehicle entering the bridge and the behavior data of the bridge corresponding to the corresponding vehicle load are measured and stored in real time, and by analyzing such data in the long term, Without diagnosis, the performance of the bridge, the degree of deterioration, and the location of the damage can be identified.

It will be understood by those skilled in the art that the foregoing description of the present invention is for illustrative purposes only and that those of ordinary skill in the art can readily understand that various changes and modifications may be made without departing from the spirit or essential characteristics of the present invention. will be. It is therefore to be understood that the above-described embodiments are illustrative in all aspects and not restrictive. For example, each component described as a single entity may be distributed and implemented, and components described as being distributed may also be implemented in a combined form.

The scope of the present invention is defined by the appended claims rather than the detailed description and all changes or modifications derived from the meaning and scope of the claims and their equivalents are to be construed as being included within the scope of the present invention do.

100: Bridge maintenance system
110: Entry vehicle
120:
130: Bridge response meter (accelerometer / displacement meter / strain meter)
140: maintenance server
150: traffic information indicator
111: Vehicle sensor
111a: Load cell
111b: traveling sensor
112: vehicle mounted device (OBE)
113: Vehicle Specification
114: short-range wireless communication module
121: Short-range wireless communication module
122: Data collecting unit
123: Data processing and analysis unit
124:
125: Safety Diagnosis Department
126: Communication module
200: Bridge

Claims (14)

A load cell 111a for measuring the total weight of the entrance vehicle 110 entering the bridge 200 and a traveling sensor 111b for measuring the rotational speed and rotational force of the incoming vehicle to generate measurement information, A vehicle sensor 111 mounted within the vehicle;
(OBE) 112 for generating vehicle information including measurement information measured by the vehicle sensor 111 and vehicle specification information of the entry vehicle 110 and transmitting the generated vehicle information through the short range wireless communication module 114;
A bridge response meter 130 installed at a predetermined position of the bridge 200 to generate behavior data of the bridge 200;
When the entry vehicle 110 enters the range in which short-range wireless communication is possible, the vehicle information is received from the entry vehicle 110 to determine whether the vehicle is overloaded. The bridge response meter 130 measures the bridge behavior data An administrator terminal 120 for performing a safety diagnosis of the bridge in accordance with the accumulated vehicle information and the bridge behavior data;
A maintenance server (140) which receives a bridge safety result from the manager terminal (120); And
A traffic information indicator 150 for receiving and displaying a bridge safety result from the maintenance server 140,
, ≪ / RTI &
The measurement information of the vehicle sensor 111 includes the total amount of the vehicle generated in the load cell 111a and the rotational speed and the rotational force generated from the traveling sensor 111b, The vehicle distance information and the inter-vehicle distance from the vehicle specification providing unit 113 mounted on the vehicle 110, and generates the vehicle information by combining the vehicle specification information with the measurement information. Bridge maintenance system utilized. delete The method according to claim 1,
When the weight of the entry vehicle 110 is determined to be within the allowable load, the manager terminal 120 allows the entrance vehicle 110 to pass through the bridge 200 and the entrance vehicle 110 , The rotational speed of the vehicle, and the rotational force from the vehicle sensor (111) attached to the vehicle (111). The method of claim 3,
When the bridge response meter 130 measures the response of the bridge 200 and generates the bridge behavior data, the manager terminal 120 uses the specifications of the pre-stored bridge 200 to calculate the bridge behavior based on the weight of the entrance vehicle 110 A response of the bridge 200 is calculated and compared with the bridge behavior data of the bridge response meter 130 to detect an abnormal symptom of the bridge 200 to perform a safety diagnosis in real time A bridge maintenance system. delete The method of claim 1, wherein the administrator terminal (120)
A short range wireless communication module 121 for communicating with the short range wireless communication module 114 installed in the entrance vehicle 110 and receiving the vehicle information;
A data collecting unit 122 for collecting the vehicle information received from the near field wireless communication module 121 and the bridge response data measured by the bridge response meter 130;
Data processing for calculating the shaft response, the inter-shaft distance and the vehicle speed from the data collected by the data collecting unit 122 according to the vehicle information, and calculating the bridge response characteristic according to the data measured by the bridge response measuring instrument 130; An analysis unit 123;
The data processing and analysis unit 123 determines whether the entry vehicle 110 is overloaded by comparing the axis, the inter-axis distance, the vehicle speed, and the stored data calculated by the data processing and analysis unit 123, An overwork determining unit (124) for determining whether the calculated axle weight and total weight of the entered vehicle (110) exceed the allowable standard;
A safety diagnosis unit 125 for performing a safety diagnosis of the bridge 200 in real time by comparing the bridge response characteristics calculated by the data processing and analysis unit 123 and the determination result of the overload determination unit 124 with pre- ); And
And a communication module (126) for transmitting the safety diagnosis result performed by the safety diagnosis unit (125) to the maintenance server (140). The method according to claim 1,
If the controller 120 determines that the rotation speed and the rotational force of the arbitrary wheel are rapidly changed by monitoring the rotational speed and the rotational force of the wheels of the entrance vehicle 110, the manager terminal 120 generates an alarm and transmits the information to the maintenance server 140 Or transmits it to a vehicle operator. 8. The method of claim 7,
The manager terminal 120 warns that a slip has occurred on the surface of the bridge 200 when the rotational speed and rotational force of the wheel of the entry vehicle 110 have changed abruptly but there is no abrupt change in the bridge response, Wherein when a sudden change occurs in the response value of the bridge (200) together with the change of the instantaneous rotation speed within a second time, a warning is issued that a road surface irregularity has occurred. 9. The method of claim 8,
When the warning is generated, the manager terminal 120 transmits a warning to the next vehicle accessing the short-range wireless communication module 121 before entering the bridge 200 of the entry vehicle 110, 140 via a traffic information indicator (150). ≪ RTI ID = 0.0 > [0002] < / RTI > a) generating vehicle metrology information by a vehicle sensor 111 having a load cell 111a and a traveling sensor 111b mounted in a bridge 200 entrance vehicle 110;
b) generating vehicle information in which a vehicle on board device (OBE) 112 mounted in the bridge 200 entrance vehicle 110 combines vehicle specification and measurement information;
c) transmitting vehicle information to the administrator terminal 120 through the short-range wireless communication module 114 installed in the bridge 200 entrance vehicle 110;
d) generating bridge behavior data by measuring a bridge response through a bridge response meter 130 installed in the bridge 200;
e) determining whether the bridge entry vehicle (110) is overloaded according to the received vehicle information by the administrator terminal (120);
f) performing the bridge safety diagnosis according to the over determination result and the bridge behavior data by the administrator terminal (120);
g) transmitting overload information to the bridge entrance vehicle (110) through the short-range wireless communication module (121) provided in the manager terminal (120) when the bridge entrance vehicle (110)
h) the manager terminal 120 notifies the bridge maintenance server 140 of the result of the bridge 200 safety diagnosis; And
i) the maintenance server 140 exposes the bridge safety diagnosis result through the traffic information indicator 150
, ≪ / RTI &
The measurement information of the vehicle sensor 111 in the step a) includes the total amount of the vehicle generated in the load cell 111a, the rotational speed and the rotational force generated from the traveling sensor 111b, Is provided with vehicle specification information including a unique identification code, a wheel interval and an inter-vehicle distance from the vehicle specification providing unit (113) mounted in the entrance vehicle (110), and combines with the measurement information to generate vehicle information A bridge maintenance method using a vehicle sensor. delete delete 11. The method of claim 10,
The manager terminal 120 of the step e) allows the entrance vehicle 110 to pass through the bridge 200 when the weight of the entrance vehicle 110 is determined to be within the allowable load, Wherein the measurement information of the vehicle weight, the wheel rotation speed, and the rotational force is received from the vehicle sensor (111) attached to the entrance vehicle (110). 14. The method of claim 13,
The manager terminal 120 of the step f) calculates the response of the bridge 200 due to the weight of the entrance vehicle 110 using the specifications of the bridge 200 stored in advance and calculates the bridge behavior of the bridge response meter 130 And a safety diagnosis is performed in real time by detecting an abnormality of the bridge (200) in comparison with the data.

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