CN109680591B - Intelligent maintenance management system for asphalt pavement and working method thereof - Google Patents
Intelligent maintenance management system for asphalt pavement and working method thereof Download PDFInfo
- Publication number
- CN109680591B CN109680591B CN201910062026.1A CN201910062026A CN109680591B CN 109680591 B CN109680591 B CN 109680591B CN 201910062026 A CN201910062026 A CN 201910062026A CN 109680591 B CN109680591 B CN 109680591B
- Authority
- CN
- China
- Prior art keywords
- maintenance
- vehicle
- management system
- information
- construction
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C23/00—Auxiliary devices or arrangements for constructing, repairing, reconditioning, or taking-up road or like surfaces
- E01C23/01—Devices or auxiliary means for setting-out or checking the configuration of new surfacing, e.g. templates, screed or reference line supports; Applications of apparatus for measuring, indicating, or recording the surface configuration of existing surfacing, e.g. profilographs
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Road Repair (AREA)
Abstract
The invention discloses an intelligent maintenance management system for an asphalt pavement, which comprises a handheld mobile measurement system, a ground maintenance management system, a vehicle-mounted maintenance management system and a fixed base station system, wherein the handheld mobile measurement system provides disease information and position information thereof which are detected and found in the prior daily period, the ground maintenance management system is used for receiving road inspection information of the handheld mobile measurement system, issuing maintenance tasks to the vehicle-mounted maintenance management system, and carrying out integrated management on construction data related to maintenance after the maintenance is completed, and the fixed base station system provides differential positioning precision for the vehicle-mounted maintenance system and the handheld mobile measurement system. The intelligent maintenance management system for the asphalt pavement and the working method thereof can break information islands, realize full life cycle management of road maintenance, uniformly store information such as road diseases, construction details and the like, and store all maintenance information of the whole pavement to a uniform management platform, thereby facilitating later-stage big data maintenance analysis.
Description
Technical Field
The invention relates to an intelligent maintenance management system for an asphalt pavement and a working method thereof, belonging to the field of asphalt pavement maintenance.
Background
With the continuous increase of the load and traffic of automobiles and the continuous service life of roads built in early stages, the roads in China, especially highways, are in an overload working state, the road surface damage condition is more and more serious, and the major and middle repair work of the roads of the national province is urgent, which is a very serious task and challenge put in front of the road maintenance department.
The maintenance process of the pavement is mostly manual on-site measurement construction, time and labor waste, low efficiency, unsafe on-site operation and easy influence of human factors on the result, and meanwhile, the acquired information is isolated, lacks relevance, cannot furthest excavate useful information from massive data, and can not meet the requirements of modern management.
The patent CN 201310209541.0 discloses a building construction 4D remote checking system, which comprehensively utilizes modern technologies such as communication, laser measurement, GPS positioning, CCD imaging, intelligent robots and the like, and forms a checking system for construction states of the building industry through integration and operation software, but aiming at a road maintenance construction management system of an asphalt pavement, a simple high-precision GPS can not meet the positioning precision of maintenance on diseases, and can meet maintenance records of the pavement full life cycle only when reaching centimeter-level positioning. Secondly, laser measurement is too expensive for road pit scanning, a common CCD camera can only obtain rough geometric dimensions, and the stability and data resolving power of the robot are too high.
A GPS monitoring system for an engineering vehicle is disclosed in CN 201220215747.5 patent, which includes a GPS vehicle-mounted receiver, a GPS control center, and a vehicle-mounted program controller. This belongs to the ordinary assembly of the on-vehicle terminal system of the conventional vehicle at present, and has the following defects: the real-time and large data volume of remote transmission are limited by the GSM network, and a communication mode which is common to high-speed mobile networks such as 3G, 4G and the like and wireless networks such as wifi and the like is adopted. And secondly, the common GPS cannot meet the requirement of high-precision positioning, and cannot quickly respond to the actual condition of a construction object, namely related diseases, and cannot correlate the construction condition with the actual diseases.
Disclosure of Invention
The invention aims to solve the technical problem of providing the intelligent green pavement maintenance management system capable of breaking information islands, realizing full life cycle management of road maintenance, uniformly storing information such as road diseases, construction details and the like, and storing all maintenance information of the whole road to a uniform management platform, so that later-stage big data maintenance analysis is convenient, and the working method thereof.
In order to solve the technical problems, the invention adopts the following technical scheme:
the utility model provides an asphalt pavement intelligent maintenance management system, includes handheld mobile measurement system, ground maintenance management system, on-vehicle maintenance management system and fixed base station system, handheld mobile measurement system provides disease information and its positional information of detection in the early days, ground maintenance management system is used for receiving handheld mobile measurement system's road inspection information, and to on-vehicle maintenance management system issues maintenance task to carry out integrated management to maintenance relevant construction data after the maintenance is accomplished, fixed base station system is for on-vehicle maintenance system and handheld mobile measurement system provide differential positioning accuracy.
The vehicle-mounted maintenance management system comprises a hinge structure arranged at the right upper corner of the tail part of the asphalt maintenance vehicle, and the hinge structure is connected with the head part of the camera shooting positioning bracket and can realize up-and-down rotation. The camera shooting positioning bracket is provided with a GNSS antenna mounting bracket, the GNSS antenna mounting bracket is provided with a GNSS positioning antenna, the tail part of the camera shooting positioning bracket is provided with a camera bracket, and the camera bracket is provided with a binocular camera; the asphalt maintenance truck is characterized in that a data transmission radio antenna bracket is arranged outside the right side of the box body, close to the tail, of the asphalt maintenance truck, and a data transmission radio antenna is arranged on the data transmission radio antenna bracket.
The construction quality management system controller is installed in a box body, close to the right rear side of the tail, of the asphalt maintenance truck, and is connected with the binocular camera through an HDMI (high definition multimedia interface) interface, connected with the data transmission radio station antenna through an SMA (shape memory alloy) interface, connected with the GNSS antenna through a TNC (time division multiplexing) interface and communicated with the vehicle-mounted controller through a CAN (controller area network) bus.
The vehicle-mounted controller acquires signal information of a displacement sensor and a proximity switch related to the working device in real time through a controller port, controls a corresponding oil cylinder to complete specific actions in combination with a construction instruction issued by a construction quality management system controller, and communicates with a vehicle-mounted control system display through a CAN bus, and communicates with a mobile or wireless communication module, a printer and a driver maintenance task management display through an Ethernet bus.
The driver maintenance task management display is arranged on a display bracket, the display bracket is arranged on a base, and the base is arranged on a floor in a driver or adsorbed on glass.
The camera shooting positioning support is fixed through a fixing bolt when the hinge structure is turned upwards to a position which is perpendicular to the car body or turned downwards to be attached to the car body at the tail of the asphalt maintenance car.
An intelligent maintenance management system working method for asphalt pavement comprises the following steps:
step 1: the daily road inspection vehicle finds out road damage, and a detector acquires positioning information through a handheld instrument and integrates disease conditions and uniformly sends the positioning information to the ground maintenance management;
step 2: the ground maintenance management system processes the information and issues maintenance tasks to the asphalt maintenance vehicle;
step 3: after confirming the picking task, the asphalt maintenance vehicle goes to a destination according to the position information and parks the vehicle at a specified position beside the disease;
step 4: the visual positioning system bracket is hinged and opened and fixed;
step 5: the binocular system automatically recognizes pit information and issues a control instruction to the vehicle-mounted control system;
step 6: the vehicle-mounted control system moves the heating wall in place according to the instruction to carry out maintenance construction operation;
step 7: after construction, uploading construction data such as disease photos, sizes, heating areas, time, heating curves and the like, and printing and reporting construction details of the current day through a vehicle-mounted printer;
step 8: ground station unifies all applications
The invention has the beneficial effects that: according to the intelligent maintenance management system for the asphalt pavement, provided by the invention, disease information and position information thereof which are detected and found in the early period are provided through the handheld mobile measurement system, centimeter-level positioning accuracy is provided through the real-time differential system of the fixed base station system, construction and maintenance conditions of the whole life cycle of a road are integrated and managed through the ground maintenance management system, 3-dimensional size acquisition of the disease is carried out through the double-visual measurement system in the vehicle-mounted maintenance management system, communication is carried out through the mobile or wireless communication module and the ground maintenance management system, relevant maintenance and construction information is uploaded, and a specific bracket is adopted to complete installation of a camera and a positioning antenna, so that stable parameter acquisition is ensured, and the intelligent maintenance management system has the following beneficial effects:
firstly, technological means such as GNSS positioning, wireless data communication, the Internet and the like are fused, equipment systematic intelligent management is carried out, and butt joint of construction, operation and cost management is realized.
Secondly, a scheme of accurately obtaining the 3-dimensional size of the disease with low cost is realized through a binocular vision recognition system.
Thirdly, integrating daily road inspection, ground maintenance management and vehicle-mounted maintenance systems, breaking the information island, and realizing comprehensive full life cycle maintenance information storage of the asphalt road.
Drawings
FIG. 1 is a right side view of the mounting locations of the components of the in-vehicle maintenance management system of the present invention;
FIG. 2 is a rear view of a portion of the components of the in-vehicle management maintenance system of the present invention in a mounted position;
fig. 3 binocular vision system 3-dimensional dimension acquisition an exemplary diagram.
FIG. 4 is a block diagram of an intelligent maintenance management system for asphalt pavement.
FIG. 5 is a flow chart of an example of an intelligent maintenance management system for asphalt pavement of the present invention.
Reference numerals in the drawings are as follows: the system comprises a 1-asphalt road microwave maintenance vehicle, a 2-data radio antenna, a 3-data radio antenna bracket, a 4-vehicle-mounted controller, a 5-vehicle-mounted control system display, a 6-binocular camera, a 6 a-binocular right-side camera, a 6 b-binocular left-side camera, a 7-camera bracket, an 8-GNSS positioning antenna, a 9-GNSS antenna mounting bracket, a 10-camera positioning bracket, an 11-hinge structure, a 12-construction quality management system controller, a 13-base, a 14-display bracket, a 15-driver maintenance task management display, a 16-printer and a 17-mobile or wireless communication module.
Detailed Description
The present invention will be further described with reference to the accompanying drawings, and the following examples are only for more clearly illustrating the technical aspects of the present invention, and are not to be construed as limiting the scope of the present invention.
As shown in FIG. 4, the intelligent maintenance management system for the asphalt pavement comprises a handheld mobile measurement system, a ground maintenance management system, a vehicle maintenance management system and a fixed base station system. The handheld mobile measurement system provides disease information and position information of the disease information detected and found by early-stage daily detection, the ground maintenance management system is used for receiving road inspection information of the handheld mobile measurement system, issuing maintenance tasks to the vehicle-mounted maintenance management system, carrying out integrated management on construction data related to maintenance after the maintenance is completed, and the fixed base station system provides differential positioning precision for the vehicle-mounted maintenance system and the handheld mobile measurement system. The invention relates to an intelligent maintenance management system for an asphalt pavement, which learns the construction control system construction and software system writing of a heating wall fully-automatic construction from a maintenance mechanical microwave heating wall intelligent control system and control method in a patent 201810390300.3; the equipment and the process for microwave maintenance of the asphalt pavement are learned from a patent 201710666410.3, namely a microwave on-site regeneration asphalt pavement maintenance vehicle and a construction method.
As shown in fig. 1 and 2, the vehicle-mounted maintenance management system includes a hinge structure 11 installed at the upper right corner of the rear of the asphalt maintenance vehicle 1, and the hinge structure 11 is connected with the head of the camera positioning bracket 10 and can be rotated up and down. The camera positioning bracket 10 is turned up and out through the hinge structure 11 during normal construction, reaches a vertical position with the vehicle body and is fixed through a fixing bolt. The camera shooting positioning bracket 10 is downwards turned through the hinge structure 11 to be attached to the tail body of the asphalt maintenance vehicle 1 in the vehicle special field process, and is fixed through the fixing bolt, so that the camera shooting positioning bracket is prevented from being turned out in the driving process.
The camera shooting positioning bracket 10 is provided with a GNSS antenna mounting bracket 9 on one third of the distance from the tail, the GNSS antenna mounting bracket 9 is provided with a GNSS positioning antenna 8, and the GNSS positioning antenna 8 and the GNSS antenna mounting bracket 9 are fixed through bolts. The camera support 7 with the inclination not adjustable is arranged at the tail part of the camera positioning support 10, the binocular camera 6 is arranged on the camera support 7, and as the vision identification system needs to convert the actual parameters measured through the included angle between the camera and the ground, when the included angle changes, the conversion parameters obtained by the calibration of the system are invalid before, so that the obtained data are completely distorted, the support with the inclination not adjustable is adopted, the calibration process of the system is reduced, and the accuracy of measuring the size is improved.
As shown in fig. 3, the binocular vision recognition system is used for obtaining 3-dimensional parameters of diseases, the binocular camera 6 comprises a binocular vision right camera 6a and a binocular vision left camera 6b, and the binocular cameras are placed in parallel, so that the calculation is simple and convenient, no parallax in the vertical direction exists, the optical axes of the two cameras are parallel, the distance difference between imaging points of a target image in a left image plane and a right image plane relative to the origin of coordinates of the left image point and the right image point is called parallax, the parallax can be obtained through triangular change, the parallax is related to depth information, and the parallax of the left camera and the right camera is obtained through the principle of small-hole imaging so as to obtain the depth information of the target surface, so that the three-dimensional information of an object can be recovered.
As shown in fig. 1 and 2, a data transmission radio antenna bracket 3 is installed outside the right side of the box body of the asphalt maintenance vehicle 1 near the tail part, and a data transmission radio antenna 2 is installed on the data transmission radio antenna bracket 3. The construction quality management system controller 12 is installed in a box body, close to the right rear side of the tail, of the asphalt maintenance vehicle 1, the construction quality management system controller 12 is connected with the binocular camera 6 through an HDMI interface, is connected with the data radio station antenna 2 through an SMA interface, is connected with the GNSS antenna 8 through a TNC interface, integrates image information acquired by a binocular vision system, analyzes and solves construction target parameters, and is communicated with the vehicle-mounted controller 4 through a CAN bus.
As shown in fig. 4, the vehicle-mounted controller 4 collects the information of the front-rear displacement sensor of the heating wall, the left-right displacement sensor of the heating wall, the proximity switches of each gesture and the temperature sensor in real time through the controller port, and combines the construction instructions issued by the construction quality management system controller 12 to control the corresponding oil cylinders to complete specific actions, and communicates with the vehicle-mounted control system display 5 through the CAN bus, and communicates with the mobile or wireless communication module 17, the printer 16 and the driver maintenance task management display 15 through the ethernet bus. The in-vehicle controller 4 transmits construction data such as a disease photograph, a size, a heating area, a time, a heating curve, etc. to the ground maintenance management system, and prints construction details of the current day by the in-vehicle printer 16.
The driver maintenance task management display 15 is mounted on the display bracket 14, the display bracket 14 is mounted on the base 13, and the base 13 is mounted on the floor inside the driver or adsorbed on the glass. After the vehicle is electrified, a driver receives a maintenance task issued by the ground maintenance system in the task management display, checks details of the task after clicking on the maintenance task, and returns to the ground maintenance management platform to carry out maintenance immediately before the maintenance after confirmation.
As shown in fig. 5, the whole working flow of the intelligent maintenance management system for asphalt pavement is as follows:
step 1: the daily road inspection vehicle finds out road damage, and a detector acquires positioning information through a handheld instrument and integrates disease conditions and uniformly sends the positioning information to the ground maintenance management;
step 2: the ground maintenance management system processes the information and issues maintenance tasks to the asphalt maintenance vehicle;
step 3: after confirming the picking task, the asphalt maintenance vehicle goes to a destination according to the position information and parks the vehicle at a specified position beside the disease;
step 4: the visual positioning system bracket is hinged and opened and fixed;
step 5: the binocular system automatically recognizes pit information and issues a control instruction to the vehicle-mounted control system;
step 6: the vehicle-mounted control system moves the heating wall in place according to the instruction to carry out maintenance construction operation;
step 7: after construction, uploading construction data such as disease photos, sizes, heating areas, time, heating curves and the like, and printing and reporting construction details of the current day through a vehicle-mounted printer;
step 8: the ground station integrates all construction data uniformly and stores the construction data so as to facilitate subsequent inquiry or maintenance big data analysis.
The foregoing is only a preferred embodiment of the invention, it being noted that: it will be apparent to those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present invention, and such modifications and adaptations are intended to be comprehended within the scope of the invention.
Claims (4)
1. An intelligent maintenance management system for asphalt pavement, which is characterized in that: the system comprises a handheld mobile measurement system, a ground maintenance management system, a vehicle-mounted maintenance management system and a fixed base station system, wherein the handheld mobile measurement system provides disease information and position information thereof which are detected and found in the early period on a daily basis, the ground maintenance management system is used for receiving road detection information of the handheld mobile measurement system and issuing maintenance tasks to the vehicle-mounted maintenance management system, and carrying out integrated management on construction data related to maintenance after the maintenance is completed, the fixed base station system provides differential positioning precision for the vehicle-mounted maintenance system and the handheld mobile measurement system, the vehicle-mounted maintenance management system comprises a hinge structure (11) arranged at the right upper corner of the tail of an asphalt maintenance vehicle (1), and the hinge structure (11) is connected with the head of a camera positioning bracket (10) and can realize up-down rotation. The camera shooting positioning support (10) is provided with a GNSS antenna mounting support (9), the GNSS antenna mounting support (9) is provided with a GNSS positioning antenna (8), the camera shooting positioning support (10) is provided with a camera support (7) at the tail part, and the camera support (7) is provided with a binocular camera (6); the intelligent maintenance system is characterized in that a data radio station antenna bracket (3) is arranged outside the right side of a box body, which is close to the tail, of the asphalt maintenance vehicle (1), a data radio station antenna (2) is arranged on the data radio station antenna bracket (3), a construction quality management system controller (12) is arranged in the box body, which is close to the right rear side of the tail, of the asphalt maintenance vehicle (1), the construction quality management system controller (12) is connected with the binocular camera (6) through an HDMI (high-definition multimedia interface), is connected with the data radio station antenna (2) through an SMA (shape memory alloy) interface, is connected with the GNSS antenna (8) through a TNC (time division multiple access) interface and is communicated with a vehicle-mounted controller (4) through a CAN (controller) bus, and the vehicle-mounted controller (4) acquires signal information of a relative displacement sensor and a proximity switch of a working device in real time through a controller port and combines a construction instruction issued by the construction quality management system controller (12) to control a corresponding cylinder to complete specific action and communicate with a vehicle-mounted control system display (5) through a CAN (17), and communicate with a vehicle-mounted control system display (15) through a Ethernet bus and a mobile or a wireless communication module (17), a printer (16) and a maintenance driver (15) are communicated with a task manager.
2. The intelligent maintenance management system for asphalt pavement according to claim 1, wherein: the driver maintenance task management display (15) is arranged on the display support (14), the display support (14) is arranged on the base (13), and the base (13) is arranged on the floor in the driving or adsorbed on glass.
3. The intelligent maintenance management system for asphalt pavement according to claim 1, wherein: the camera shooting positioning support (10) is fixed through a fixing bolt when the hinge structure (11) is turned upwards to a position perpendicular to the car body or turned downwards to be attached to the car body at the tail of the asphalt maintenance car (1).
4. An intelligent maintenance management system for asphalt pavement, based on the intelligent maintenance management system for asphalt pavement of any one of claims 1 to 3, characterized in that: the method comprises the following steps:
step 1: the daily road inspection vehicle finds out road damage, and a detector acquires positioning information through a handheld instrument and integrates disease conditions and uniformly sends the positioning information to the ground maintenance management;
step 2: the ground maintenance management system processes the information and issues maintenance tasks to the asphalt maintenance vehicle;
step 3: after confirming the picking task, the asphalt maintenance vehicle goes to a destination according to the position information and parks the vehicle at a specified position beside the disease;
step 4: the visual positioning system bracket is hinged and opened and fixed;
step 5: the binocular system automatically recognizes pit information and issues a control instruction to the vehicle-mounted control system;
step 6: the vehicle-mounted control system moves the heating wall in place according to the instruction to carry out maintenance construction operation;
step 7: after construction, uploading construction data such as disease photos, sizes, heating areas, time, heating curves and the like, and printing and reporting construction details of the current day through a vehicle-mounted printer;
step 8: the ground station integrates all construction data uniformly and stores the construction data so as to facilitate subsequent inquiry or maintenance big data analysis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910062026.1A CN109680591B (en) | 2019-01-23 | 2019-01-23 | Intelligent maintenance management system for asphalt pavement and working method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910062026.1A CN109680591B (en) | 2019-01-23 | 2019-01-23 | Intelligent maintenance management system for asphalt pavement and working method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109680591A CN109680591A (en) | 2019-04-26 |
| CN109680591B true CN109680591B (en) | 2023-10-27 |
Family
ID=66193959
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910062026.1A Active CN109680591B (en) | 2019-01-23 | 2019-01-23 | Intelligent maintenance management system for asphalt pavement and working method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109680591B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113529546A (en) * | 2020-04-17 | 2021-10-22 | 江西省宏发路桥建筑工程有限公司 | Method for repairing micro-damage of asphalt road |
| CN111676791A (en) * | 2020-05-27 | 2020-09-18 | 江苏集萃道路工程技术与装备研究所有限公司 | Intelligent in-situ microwave heating machine and construction method thereof |
| CN112160226A (en) * | 2020-08-20 | 2021-01-01 | 江苏集萃道路工程技术与装备研究所有限公司 | Intelligent control system and method for one-key construction of asphalt pavement heater |
| CN115662122B (en) * | 2022-10-20 | 2024-01-19 | 中远海运科技股份有限公司 | Maintenance system and method for road inspection, disease identification and inspection and examination based on GPS |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818476A (en) * | 2010-01-28 | 2010-09-01 | 湖北省高速公路实业开发有限公司 | Bituminous pavement intelligent maintaining system based on Internet B/S network architecture |
| CN104463458A (en) * | 2014-12-04 | 2015-03-25 | 广东能达高等级公路维护有限公司 | Expressway daily maintenance information management system |
| CN108037723A (en) * | 2018-01-24 | 2018-05-15 | 武汉浩宇天辰科技有限公司 | A kind of highway maintenance Information Management System |
-
2019
- 2019-01-23 CN CN201910062026.1A patent/CN109680591B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101818476A (en) * | 2010-01-28 | 2010-09-01 | 湖北省高速公路实业开发有限公司 | Bituminous pavement intelligent maintaining system based on Internet B/S network architecture |
| CN104463458A (en) * | 2014-12-04 | 2015-03-25 | 广东能达高等级公路维护有限公司 | Expressway daily maintenance information management system |
| CN108037723A (en) * | 2018-01-24 | 2018-05-15 | 武汉浩宇天辰科技有限公司 | A kind of highway maintenance Information Management System |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109680591A (en) | 2019-04-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109680591B (en) | Intelligent maintenance management system for asphalt pavement and working method thereof | |
| CN102061659B (en) | Urban road pavement routine inspection equipment | |
| CN103500508B (en) | A kind of intelligent transportation system | |
| CN203580743U (en) | Vehicle-mounted tunnel measurement system | |
| CN208630401U (en) | Wireless charging device based on electric car | |
| CN114845915A (en) | Real-time adjustment carrier sensor field of view volume | |
| JP3233212U (en) | Smart sensing system device | |
| CN104417382A (en) | Visual positioning system | |
| CN112896879B (en) | Environment sensing system for intelligent sanitation vehicle | |
| CN110700056B (en) | Asphalt pavement disease monitoring system and monitoring method | |
| CN113420687A (en) | Method and device for acquiring travelable area and vehicle | |
| CN112382085A (en) | System and method suitable for intelligent vehicle traffic scene understanding and beyond visual range perception | |
| CN113640821A (en) | Mine car loading amount measuring method based on single-line laser radar scanner scanning | |
| CN111311958A (en) | Turning road condition reminding method and system based on V2X technology and V2X server | |
| CN210377164U (en) | Air-ground cooperative operation system | |
| CN116560357A (en) | Tunnel inspection robot system based on SLAM and inspection control method | |
| CN208422101U (en) | A kind of high-speed road conditions detection device based on video | |
| CN112726351B (en) | Vehicle-mounted portable lightweight intelligent inspection method and system | |
| CN213750759U (en) | Railway tunnel intelligent patrol vehicle based on SLAM technology | |
| US20230394650A1 (en) | Identify carryback in unknown truck bed | |
| CN215643122U (en) | Novel auxiliary automatic driving integrated equipment | |
| CN115343299A (en) | Lightweight highway tunnel integrated detection system and method | |
| CN206038015U (en) | Intelligent mobile device | |
| CN112614171B (en) | Air-ground integrated dynamic environment sensing system for engineering machinery cluster operation | |
| CN218766663U (en) | Vehicle-mounted pavement defect detection system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |