CN110992702A - Vehicle weight monitoring and early warning system and method - Google Patents
Vehicle weight monitoring and early warning system and method Download PDFInfo
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- CN110992702A CN110992702A CN201911212807.0A CN201911212807A CN110992702A CN 110992702 A CN110992702 A CN 110992702A CN 201911212807 A CN201911212807 A CN 201911212807A CN 110992702 A CN110992702 A CN 110992702A
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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
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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
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/02—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for weighing wheeled or rolling bodies, e.g. vehicles
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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
- G08G1/042—Detecting movement of traffic to be counted or controlled using inductive or magnetic detectors
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Abstract
The invention provides a vehicle weight monitoring and early warning system and an early warning method, relates to the technical field of vehicle monitoring, and mainly solves the technical problem of weight detection of running vehicles. The invention is composed of a data acquisition subsystem, a transmission control subsystem and a data processing and analyzing subsystem. The data acquisition subsystem is used for acquiring the running data of the vehicles running on the monitoring road section; the data processing and analyzing subsystem is used for predicting the weight condition of the vehicle and the bearing condition of the monitored road section according to the operation data and sending alarm information when the load condition of the vehicle and the bearing condition of the monitored road section are determined to be abnormal; and the transmission control subsystem is used for transmitting data between the data acquisition subsystem and the data processing and analyzing subsystem. The invention has the characteristics of humanization, intellectualization and all weather, improves the vehicle weight detection efficiency, improves the safety of traffic management workers during detection, protects road facilities and reduces the traffic accident rate.
Description
Technical Field
The invention relates to the technical field of vehicle monitoring, in particular to a vehicle weight monitoring and early warning system and an early warning method.
Background
Nowadays, news of accidents caused by vehicle overload frequently appears in front of our eyes, which shows that the overload problem in transportation of China is increasingly serious, and the news becomes a prominent social problem endangering the lives of people and the property safety of the nation. First, road traffic accidents are very likely to occur due to vehicle overload. The overload of the vehicle can lead the vehicle to be always in an overload state, and can lead the safety performances of braking, operation and the like of the vehicle to be rapidly reduced; if the vehicle is overloaded seriously, the tire can be deformed due to the overload, tire burst, sudden deviation, brake failure and rollover can be caused, and the freight vehicle can even cause the steel plate spring to be broken, the half shaft to be broken and the like, thereby causing traffic accidents. Secondly, the overloading of the vehicle can seriously damage the highway facilities, increase the maintenance cost of the highway and shorten the service life of the highway. Because the load of the overload overrun vehicle far exceeds the design load of the highway and the bridge, the road surface is damaged, the bridge is broken, and the service life is greatly shortened.
However, the detection and early warning means for the overloaded vehicle is insufficient, and the damage to the overloaded vehicle is difficult to reduce. Therefore, the method has very important significance for carrying out load monitoring and early warning on the vehicle.
Disclosure of Invention
One of the purposes of the invention is to provide a vehicle weight monitoring and early warning system and an early warning method, which solve the technical problem of weight detection of a running vehicle in the prior art. Advantageous effects can be achieved in preferred embodiments of the present invention, as described in detail below.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention discloses a vehicle weight monitoring and early warning system, which comprises:
the data acquisition subsystem is used for acquiring the running data of the vehicles running on the monitoring road section;
the data processing and analyzing subsystem is used for predicting the weight condition of the vehicle and the bearing condition of the monitored road section according to the operation data and sending alarm information when the load condition of the vehicle and the bearing condition of the monitored road section are determined to be abnormal;
and the transmission control subsystem is used for transmitting data between the data acquisition subsystem and the data processing and analyzing subsystem.
Further, the data acquisition subsystem comprises at least one of:
the vibration sensor is used for collecting vibration data caused by passing of the vehicle;
the pressure sensor is used for acquiring pressure data of each tire of the vehicle to the ground;
and the weighing sensor is used for acquiring weight data of each tire of the vehicle to the ground.
Further, the data acquisition subsystem further comprises:
the camera is erected above the monitoring road section and used for identifying the vehicle type, the license plate and the cargo information of the passing vehicle, and photographing or recording the passing vehicle as evidence.
Further, the data acquisition subsystem further comprises:
the velocimeter is used for measuring speed data when the vehicle passes by;
a vehicle detector for measuring the time a vehicle enters the area monitored by the data acquisition subsystem and the time it leaves the area monitored by the data acquisition subsystem.
Further, the data acquisition subsystem further comprises:
the multi-channel data acquisition device is used for sorting the acquired running data, removing invalid data and abnormal data and ensuring the validity and authenticity of the data;
the input of the multi-channel data acquisition unit is connected with the vibration sensor, the pressure sensor, the weighing sensor, the velometer, the vehicle detector and the camera, and the output of the multi-channel data acquisition unit is connected with the transmission control subsystem.
Furthermore, the vibration sensor, the pressure sensor and the weighing sensor are all multiple.
Further, the transmission control subsystem includes: wired communication equipment and wireless communication equipment.
Further, the data processing and analyzing subsystem comprises: the system comprises a database and a data analysis module, wherein the database is connected with the data analysis module.
Further, the data processing and analyzing subsystem further comprises: and the alarm module connected with the data analysis module is arranged beside the road or connected to the traffic information platform.
The invention also comprises a vehicle weight monitoring and early warning method, which comprises the following steps:
s1: driving vehicles of different types with different weights through a monitoring road section provided with the system at different speeds, measuring actual weight data of the vehicles, forming template data by vibration data measured by the vehicles of different types under different weight and different speed conditions, pressure intensity data of each tire to the ground, sum of weight data of each tire to the ground, speed data, vehicle types and the measured actual weight data of the vehicles, and storing the template data in a database;
s2: the data analysis module carries out cluster analysis on the template data, and calculates a relational expression of the vehicle weight and the ground pressure of each tire, a relational expression of the vehicle weight and the vibration data and a relational expression of the sum of the vehicle weight and the ground weight data of each tire obtained by measurement under different speed conditions of each vehicle type;
s3: on a monitoring road section provided with the system, the data acquisition subsystem acquires running data of a passing vehicle and sends the acquired running data to the transmission control subsystem through the multi-channel data acquisition device;
s4: the transmission control subsystem sends the collected operation data to the data processing and analyzing subsystem;
s5: the data processing and analyzing subsystem receives the collected operation data and stores the collected operation data to a database; the data analysis module extracts collected operation data from a database, wherein the operation data mainly comprises pressure data of each tire to the ground, the sum of weight data of each tire to the ground, vibration data, speed data of the vehicle and the vehicle type; according to the relational expression of the vehicle weight and the ground pressure of each tire, the relational expression of the vehicle weight and the vibration data and the relational expression of the vehicle weight and the sum of the measured ground weight data of each tire, which are obtained in the step of matching the vehicle speed data with the vehicle type S2, estimating the vehicle weight data according to the 3 relational expressions, and comparing the estimated vehicle weight data with the vehicle weight limit of the vehicle type to obtain the result of whether the vehicle is overweight;
s51: if the result is that the vehicle is overweight, the alarm module generates alarm information to the traffic information platform, or the alarm module plays an alarm prompt tone;
s52: and if the result is that the vehicle is normal, the alarm module does not work.
The vehicle weight monitoring and early warning system and the early warning method provided by the invention at least have the following beneficial technical effects:
the system comprises a data acquisition subsystem, a transmission control subsystem and a data processing and analyzing subsystem which are sequentially connected, wherein the data acquisition subsystem can monitor and acquire running data of a vehicle in real time and send the running data to the data processing and analyzing subsystem through the transmission control subsystem, the data processing and analyzing subsystem obtains a result of judging whether the vehicle is overloaded or not after comparison and analysis, and if the result is abnormal, an alarm is given. The invention has the characteristics of humanization and intellectualization, improves the detection efficiency of the weight of the running vehicle in the traffic, improves the accuracy of cluster analysis and increases the analysis reliability.
The invention can also prompt in time when finding the vehicle exceeding the weight limit and alarm the relevant data of the overloaded vehicle to the traffic management department.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a vehicle weight monitoring and warning system according to the present invention;
FIG. 2 is a flow chart of a vehicle weight monitoring and warning method of the present invention.
In the figure, 1 is a data acquisition subsystem, 2 is a transmission control subsystem, and 3 is a data processing and analyzing subsystem;
11-vibration sensor, 12-pressure sensor, 13-weighing sensor, 14-camera, 15-velocimeter, 16-vehicle detector, 17-multichannel data collector;
31-database, 32-data analysis module, 33-alarm module.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Referring to fig. 1, the invention is a vehicle weight monitoring and early warning system, which is composed of a data acquisition subsystem 1, a transmission control subsystem 2 and a data processing and analyzing subsystem 3 which are connected in sequence;
the data acquisition subsystem 1 is used for acquiring the running data of the vehicles running on the monitoring road section;
the data processing and analyzing subsystem 3 is used for predicting the weight condition of the vehicle and the bearing condition of the monitored road section according to the operation data, and sending alarm information when the load condition of the vehicle and the bearing condition of the monitored road section are determined to be abnormal;
and the transmission control subsystem 2 is used for data transmission between the data acquisition subsystem and the data processing and analyzing subsystem.
It should be noted that the monitored road section includes a bridge and a highway.
The system comprises a data acquisition subsystem 1, a transmission control subsystem 2 and a data processing and analyzing subsystem 3 which are connected in sequence, wherein the data acquisition subsystem 1 can monitor and acquire running data of a vehicle in real time, the running data is sent to the data processing and analyzing subsystem 3 through the transmission control subsystem 2, and a result of judging whether the vehicle is overloaded or not is obtained after the data processing and analyzing subsystem 3 performs comparative analysis, so that an alarm is given. The invention can know the information of the position, the speed, the driving state and the like of the vehicle in real time, and intelligently judges whether the vehicle is overloaded, thereby sending alarm information and improving the detection efficiency of the weight of the vehicle in traffic; the safety of driving vehicles and monitoring road sections is improved, road facilities are protected, unnecessary expenses are reduced, and the accident rate is reduced.
The data acquisition subsystem 1 comprises at least one of the following:
the vibration sensor 11 is used for collecting vibration data caused by passing of a vehicle;
the pressure sensor 12 is used for acquiring pressure data of each tire of the vehicle to the ground;
and the weighing sensor 13 is used for acquiring weight data of each tire of the vehicle to the ground.
The vibration sensor 11, the pressure sensor 12, and the load cell 13 are all plural. On the surface of the monitored section of road, the vibration sensor 11, the pressure sensor 12 and the load cell 13 are all arranged laterally in a row and flush with the ground.
The data acquisition subsystem 1 further comprises:
and the camera 14 is erected above the monitored road section and used for identifying the vehicle type, the license plate and the cargo information of the passing vehicle, and photographing or recording the passing vehicle for evidence.
The data acquisition subsystem 1 further comprises:
a tachometer 15 for measuring speed data of the vehicle passing by;
a vehicle detector 16 for measuring the time of the vehicle entering the area monitored by the data acquisition subsystem 1 and the time of the vehicle leaving the area monitored by the data acquisition subsystem 1.
The vehicle detector 16 detects and collects the time when each vehicle enters the test area of the data collection subsystem 1 and the time when each vehicle leaves the test area, so that the running data of each vehicle can be correctly divided according to the characteristic that the collected template data of each vehicle is uniformly distributed in time. The velocimeter 15 measures the speed data of each vehicle, has an important role in finding out the operation data rule under the condition of different speeds and the same weight or under the condition of the same speed and different weights, and has an important significance in accurately estimating the vehicle weight.
It should be noted that the template data is the operation data of each vehicle first detected under the conditions of different speeds and different weights, that is, the operation data of the data acquisition subsystem 1 first detected and acquired for vehicles of different vehicle types under the conditions of different speeds, the same weight and the same speed and different weights.
The data acquisition subsystem 1 further comprises:
the multi-channel data collector 17 is used for sorting the collected operation data, removing invalid data and abnormal data and ensuring the validity and authenticity of the data;
the input of the multi-channel data acquisition unit 17 is connected with the vibration sensor 11, the pressure sensor 12, the weighing sensor 13, the velometer 15, the vehicle detector 16 and the camera 14, and the output is connected with the transmission control subsystem 2.
The multi-channel data collector 17 collates the collected operation data, for example, calculates the number of tires of the vehicle for the uniformity of the pressure data of each tire to the ground measured by the pressure sensor in the time distribution, and thereby determines whether the vehicle is subjected to wheel modification. The multi-channel data collector 17 can also remove invalid data and abnormal data, for example, for some abnormal vehicles, pressure data of one or two tires to the ground, weight data and vibration data caused by the vehicle are abnormal, and the multi-channel data collector 17 needs to mark the abnormal data. The multi-channel data acquisition unit 17 ensures the validity and authenticity of data and improves the working efficiency of the invention.
The transmission control subsystem 2 includes: wired communication equipment and wireless communication equipment.
The transmission control subsystem 2 transmits the operation data in a synchronous transmission mode and/or an asynchronous transmission mode.
The data processing and analyzing subsystem 3 comprises: a database 31 and a data analysis module 32, wherein the database 31 is connected with the data analysis module 32.
Preferably, the data analysis module 32 comprises any one of the following: microprocessor, singlechip, DSP chip, PLC chip, FPGA chip, CPLD chip.
The data processing and analyzing subsystem 3 further comprises: and the alarm module 33 connected with the data analysis module 32 is arranged beside the road or connected to a traffic information platform.
The alarm module 33 plays a role of alarm prompt, and provides a convenient way for the traffic management department to efficiently inquire and detect the illegal vehicle.
Under the running condition of the vehicle, the weight data of each tire of the vehicle to the ground, the pressure data of each tire to the ground and the vibration data caused by the vehicle, which are measured by the invention, are greatly different from the weight data of each tire to the ground, the pressure data of each tire to the ground and the vibration data (actually 0) when the vehicle is static, which are actually measured under the static condition. Moreover, under the conditions of different speeds and the same weight of the vehicle or under the conditions of the same speed and different weight, the measured ground pressure data and weight data of each tire and the vibration data caused by the passing of the vehicle have certain regularity.
Therefore, under the condition that the actual weight of the vehicle is known, the sum of the ground weight data of each tire of each vehicle type obtained by a large number of measurements under the conditions of different weights and different speeds, the ground pressure data of each tire and vibration data caused by the vehicle passing through can be subjected to cluster analysis, and the relational expression of the weight of the vehicle and the ground pressure data of each tire, the relational expression of the weight of the vehicle and the vibration data and the relational expression of the weight of the vehicle and the sum of the ground weight data of each tire obtained by the measurements under the conditions of different speeds of each vehicle type are calculated.
Referring to fig. 2, the present invention also provides a vehicle weight monitoring and early warning method, which comprises the following steps:
s1: driving vehicles of different types with different weights through a monitoring road section provided with the system at different speeds, measuring actual weight data of the vehicles, forming template data by vibration data measured by the vehicles of different types under different weight and different speed conditions, pressure intensity data of each tire to the ground, sum of weight data of each tire to the ground, speed data, vehicle types and the measured actual weight data of the vehicles, and storing the template data in a database;
s2: the data analysis module carries out cluster analysis on the template data, and calculates a relational expression of the vehicle weight and the ground pressure of each tire, a relational expression of the vehicle weight and the vibration data and a relational expression of the sum of the vehicle weight and the ground weight data of each tire obtained by measurement under different speed conditions of each vehicle type;
s3: on a monitoring road section provided with the system, the data acquisition subsystem acquires running data of a passing vehicle and sends the acquired running data to the transmission control subsystem through the multi-channel data acquisition device;
s4: the transmission control subsystem sends the collected operation data to the data processing and analyzing subsystem;
s5: the data processing and analyzing subsystem receives the collected operation data and stores the collected operation data to a database; the data analysis module extracts collected operation data from a database, wherein the operation data mainly comprises pressure data of each tire to the ground, the sum of weight data of each tire to the ground, vibration data, speed data of the vehicle and the vehicle type; according to the relational expression of the vehicle weight and the ground pressure of each tire, the relational expression of the vehicle weight and the vibration data and the relational expression of the vehicle weight and the sum of the measured ground weight data of each tire, which are obtained in the step of matching the vehicle speed data with the vehicle type S2, estimating the vehicle weight data according to the 3 relational expressions, and comparing the estimated vehicle weight data with the vehicle weight limit of the vehicle type to obtain the result of whether the vehicle is overweight;
s51: if the result is that the vehicle is overweight, the alarm module generates alarm information to the traffic information platform, or the alarm module plays an alarm prompt tone;
s52: and if the result is that the vehicle is normal, the alarm module does not work.
The invention can detect vehicles with illegally added tires, can efficiently and intelligently find vehicles with weight exceeding the limit weight, and has the characteristics of high reliability, convenient detection and simple operation. If the relevant data of the overloaded vehicle actually checked by the traffic management department is input into the system, the sample data of the system can be enriched, and the clustering analysis accuracy of the system is improved.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (10)
1. A vehicle weight monitoring and early warning system, comprising:
the data acquisition subsystem is used for acquiring the running data of the vehicles running on the monitoring road section;
the data processing and analyzing subsystem is used for predicting the weight condition of the vehicle and the bearing condition of the monitored road section according to the operation data and sending alarm information when the load condition of the vehicle and the bearing condition of the monitored road section are determined to be abnormal;
and the transmission control subsystem is used for transmitting data between the data acquisition subsystem and the data processing and analyzing subsystem.
2. The system of claim 1, wherein the data acquisition subsystem comprises at least one of:
the vibration sensor is used for collecting vibration data caused by passing of the vehicle;
the pressure sensor is used for acquiring pressure data of each tire of the vehicle to the ground;
and the weighing sensor is used for acquiring weight data of each tire of the vehicle to the ground.
3. The system of claim 2, wherein the data acquisition subsystem further comprises:
the camera is erected above the monitoring road section and used for identifying the vehicle type, the license plate and the cargo information of the passing vehicle, and photographing or recording the passing vehicle as evidence.
4. The system of claim 2, wherein the data acquisition subsystem further comprises:
the velocimeter is used for measuring speed data when the vehicle passes by;
a vehicle detector for measuring the time a vehicle enters the area monitored by the data acquisition subsystem and the time it leaves the area monitored by the data acquisition subsystem.
5. The system of any one of claims 3 or 4, wherein the data acquisition subsystem further comprises:
the multi-channel data acquisition device is used for sorting the acquired running data, removing invalid data and abnormal data and ensuring the validity and authenticity of the data;
the input of the multi-channel data acquisition unit is connected with the vibration sensor, the pressure sensor, the weighing sensor, the velometer, the vehicle detector and the camera, and the output of the multi-channel data acquisition unit is connected with the transmission control subsystem.
6. The system of claim 2, wherein the vibration sensor, pressure sensor, and load cell are each in plurality.
7. The system of claim 1, wherein the transmission control subsystem comprises: wired communication equipment and wireless communication equipment.
8. The system of claim 1, wherein the data processing analysis subsystem comprises: the system comprises a database and a data analysis module, wherein the database is connected with the data analysis module.
9. The system of claim 8, wherein the data processing analysis subsystem further comprises: and the alarm module connected with the data analysis module is arranged beside the road or connected to the traffic information platform.
10. A vehicle weight monitoring and early warning method is characterized by comprising the following steps:
s1: driving vehicles of different types with different weights through a monitoring road section provided with the system at different speeds, measuring actual weight data of the vehicles, forming template data by vibration data measured by the vehicles of different types under different weight and different speed conditions, pressure intensity data of each tire to the ground, sum of weight data of each tire to the ground, speed data, vehicle types and the measured actual weight data of the vehicles, and storing the template data in a database;
s2: the data analysis module carries out cluster analysis on the template data, and calculates a relational expression of the vehicle weight and the ground pressure of each tire, a relational expression of the vehicle weight and the vibration data and a relational expression of the sum of the vehicle weight and the ground weight data of each tire obtained by measurement under different speed conditions of each vehicle type;
s3: on a monitoring road section provided with the system, the data acquisition subsystem acquires running data of a passing vehicle and sends the acquired running data to the transmission control subsystem through the multi-channel data acquisition device;
s4: the transmission control subsystem sends the collected operation data to the data processing and analyzing subsystem;
s5: the data processing and analyzing subsystem receives the collected operation data and stores the collected operation data to a database; the data analysis module extracts collected operation data from a database, wherein the operation data mainly comprises pressure data of each tire to the ground, the sum of weight data of each tire to the ground, vibration data, speed data of the vehicle and the vehicle type; according to the relational expression of the vehicle weight and the ground pressure of each tire, the relational expression of the vehicle weight and the vibration data and the relational expression of the vehicle weight and the sum of the measured ground weight data of each tire, which are obtained in the step of matching the vehicle speed data with the vehicle type S2, estimating the vehicle weight data according to the 3 relational expressions, and comparing the estimated vehicle weight data with the vehicle weight limit of the vehicle type to obtain the result of whether the vehicle is overweight;
s51: if the result is that the vehicle is overweight, the alarm module generates alarm information to the traffic information platform, or the alarm module plays an alarm prompt tone;
s52: and if the result is that the vehicle is normal, the alarm module does not work.
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| CN111504436A (en) * | 2020-04-17 | 2020-08-07 | 清华大学 | Vehicle load and road condition monitoring method and device based on vehicle vibration data |
| CN112419725A (en) * | 2020-11-19 | 2021-02-26 | 重庆同枥信息技术有限公司 | Overweight vehicle driving state risk early warning method and system based on structure monitoring |
| CN112419725B (en) * | 2020-11-19 | 2021-08-27 | 重庆同枥信息技术有限公司 | Overweight vehicle driving state risk early warning method and system based on structure monitoring |
| CN112781551A (en) * | 2020-12-30 | 2021-05-11 | 北京万集科技股份有限公司 | Road surface condition monitoring system and monitoring method thereof |
| CN115565381B (en) * | 2022-09-21 | 2023-09-19 | 临沂市费县环境监控中心(临沂市费县生态环境事务中心) | Road environment real-time monitoring management system and method based on big data |
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