Ship manufacturing workshop installation state recording method based on unmanned aerial vehicle

Abstract

The invention provides an unmanned aerial vehicle-based shipbuilding workshop installation state recording method, which comprises the following steps of: firstly, attaching a work reporting magnetic suction graph to an installed workpiece, then sending work reporting information to an unmanned aerial vehicle control center, enabling an unmanned aerial vehicle to fly to a corresponding station position according to a task instruction, and recording and photographing; and finally, the shot photos and videos are stored in a server, and the whole recording process is completed. According to the recording method, a traditional manual recording mode is abandoned, the workshop installation state is shot and recorded through the unmanned aerial vehicle, a large amount of time cost can be reduced, real-time performance can be guaranteed, and the lag problem of traditional inspection is avoided. Meanwhile, scaffold climbing or lifting equipment using is avoided, the efficiency and safety of ship cabin inspection can be effectively improved, and reliable data support is provided for long-term maintenance and management of ships.

Description

Technical Field

[0001] The present invention relates to the technical field of shipbuilding, and particularly to a method for recording the installation status in a ship manufacturing workshop based on an unmanned aerial vehicle (UAV). Background Art

[0002] During the ship manufacturing process, the traditional method for recording the assembly status mainly relies on manual form filling, which cannot provide actual proof of the installation status and may also result in misrecording. If fixed cameras in the workshop are used instead, it is often impossible to capture the internally installed parts due to occlusion problems, especially the installation work inside ship sections. Moreover, if a person holds a camera to take pictures, it not only consumes human resources but also makes it difficult to capture the overall installation status of large components from a high position. In addition, the recorded photos and videos cannot be automatically associated with the installation status, and manual association operations need to be performed on the captured content.

[0003] Therefore, a recording method is needed to comprehensively and clearly record the assembly status and improve management efficiency. Summary of the Invention

[0004] In view of the above-mentioned disadvantages of the prior art, the present invention provides a method for recording the installation status in a ship manufacturing workshop based on an unmanned aerial vehicle, including the following steps:

[0005] S1. Attach a reporting magnetic marker: The reporting personnel attach the front side of the reporting magnetic graphic to the installed workpiece or a magnetically attachable position beside it.

[0006] S2. Report work on the mobile phone: The reporting personnel use the reporting software on the mobile phone to send the reporting information to the UAV control center through a wireless network.

[0007] S3. Trigger the UAV task: The UAV control center generates a UAV flight task according to the received reporting information, and the UAV automatically flies to the corresponding workstation position according to the task instruction.

[0008] S4. Identify the UAV: The UAV arrives at the workstation position and flies in a circular path around the workstation until the attached reporting magnetic graphic is recognized through the image recognition module.

[0009] S5. Record the installation status by shooting: After successful recognition, the UAV records videos and takes pictures within the range of 45 degrees from the normal line of the front side of the magnetic graphic to comprehensively record the installation status.

[0010] Optionally, it further includes the following steps:

[0011] S6. Data association and storage: The photos and videos taken by the UAV are stored in the database through wired or wireless transmission, and are associated with the process information through the data processing module, and are classified and managed according to the workstation, process, and time.

[0012] S7. Management and viewing: Managers and quality assurance personnel can view the installation status pictures and videos of each process step through the management interface.

[0013] Optionally, the work reporting magnetic attraction graphic in step S1 is a graphic with bright colors and complex content outlines, and its surface is coated with reflective materials, facilitating the identification and positioning by the camera mounted on the drone.

[0014] Optionally, in step S2, the work reporting information includes the station position and the process step number.

[0015] Optionally, the task instruction in step S3 includes the coordinate data where the drone needs to fly to the station and the flight path.

[0016] Optionally, the drone is an industrial-grade drone equipped with a high-definition camera, and the camera is a three-axis gimbal camera.

[0017] Optionally, in step S7, the management interface supports retrieval and filtering according to conditions such as stations, process steps, time, etc.

[0018] As described above, a method for recording the installation status in a shipbuilding workshop based on a drone provided by the present invention has the following

[0019] Beneficial effects:

[0020] 1. Comprehensive recording: The drone can take pictures from different angles, avoiding the problem of hull steel plate occlusion and comprehensively recording the installation status.

[0021] 2. Automatic association: The taken pictures and videos can be automatically associated with the process steps, improving the management efficiency.

[0022] 3. Manpower saving: Reducing the need for manual hand-held cameras and saving human resources.

[0023] 4. The pictures and videos taken by the drone can effectively record the status after the installation of each process step, improving the confidence level of installation integrity. Description of the Drawings

[0024] Figure 1 It is shown as a flowchart of a method for recording the installation status in a shipbuilding workshop based on a drone of the present invention. Detailed Embodiments

[0025] The following uses specific specific examples to illustrate the implementation manners of the present invention. Those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation manners, and various details in this specification can also be modified or changed based on different viewpoints and applications without departing from the spirit of the present invention.

[0026] It should be noted that the illustrations provided in this embodiment are only used to illustrate the basic concept of the present invention in a schematic manner, and therefore the illustrations only show components related to the present invention rather than being drawn according to the number, shape and size of components in actual implementation. In actual implementation, the type, quantity and proportion of each component may be changed arbitrarily, and the component layout may also be more complicated.

[0027] like Figure 1 As shown, the present invention provides a method for recording installation status of a shipbuilding workshop based on an unmanned aerial vehicle, comprising the following steps:

[0028] S1. Attaching marking objects during work reporting: The work reporting personnel attach the front side of the magnetic marking graphic to the installed workpiece or to a position next to it that can be magnetically attached.

[0029] S2. Mobile reporting: The reporting personnel complete the work by clicking on the corresponding steps through the mobile reporting software (such as the mobile terminal of the MES manufacturing execution system or a customized APP). The reporting software sends the reporting information (including the work station location, work step number, etc.) to the drone control center through the wireless network.

[0030] S3. Drone mission triggering: The drone control center generates a drone flight mission based on the work report information received. The drone automatically flies to the corresponding workstation according to the mission instructions. The mission instructions should at least include the coordinate data and flight path of the workstation to which the drone is to fly. The drone control center obtains the workstation location based on the work report information and obtains the flight path of the drone based on the path planning algorithm (such as A* algorithm, Dijkstra algorithm).

[0031] S4, UAV identification: The UAV arrives at the workstation and flies around the workstation in a circle until the attached magnetic image is recognized by the image recognition module. During this process, the UAV can quickly locate the marker through the circular flight search strategy combined with image recognition (such as OpenCV or YOLO algorithm) to adapt to the complex workshop environment.

[0032] At the same time, the magnetic suction pattern in step S1 is preferably a pattern with bright colors and complex content and contours, and the surface is coated with reflective material to facilitate identification and positioning by the camera mounted on the drone.

[0033] S5. Recording the installation status: After successful recognition, it means that the drone has arrived at the correct position. At this time, the drone records and takes photos within the 45-degree range of the front normal of the magnetic pattern to record the installation status in all directions. The photos and videos taken by the drone include the overall appearance of the workpiece, detailed parts and installation environment. The design of the 45-degree normal shooting angle balances the field of view coverage and distortion control to ensure that the recorded data meets the quality inspection requirements.

[0034] More specifically, the drone should be an industrial-grade drone, equipped with a high-definition camera (with a pixel count of no less than 5 million) and an image recognition system to ensure clear identification of the work-reporting magnetic adsorption pattern and high-quality shooting and recording. The camera is preferably a three-axis gimbal camera to achieve multi-angle shooting without adjusting the flight attitude. The endurance of the drone should meet the requirement of continuous operation for at least 0.5 hours, and the endurance can be achieved by replacing the battery or using an automatic charging device.

[0035] S6. Data Association and Storage: The photos and videos taken by the drone are stored in the database through wired or wireless transmission, and are automatically associated with the process step information through a data processing module (including a computer and supporting software developed), and are classified and managed according to dimensions such as workstations, process steps, and time.

[0036] S7. Management and Viewing: Managers and quality assurance personnel view the installation status pictures and videos of each process step through the management interface. The management interface supports retrieval and filtering according to conditions such as workstations, process steps, and time.

[0037] The above recording method abandons the traditional manual recording method. The drone inspection can reduce a large amount of time costs, ensure real-time performance, and avoid the lag problems of traditional inspections. At the same time, it avoids climbing scaffolding or using lifting equipment, and is especially suitable for high-altitude / concealed areas such as ship sections. In addition, through multimedia archiving (video + multi-angle photos), process evidence is retained to support digital traceability.

[0038] Embodiment 1

[0039] This embodiment provides a method for recording the installation status in a ship manufacturing workshop based on a drone, including the following steps:

[0040] S1. Applying Work-Reporting Markers: The work-reporting personnel attach the front of a red circular work-reporting magnetic adsorption pattern to the bracket that has been installed on Ship H1111. The diameter of this pattern is 20 cm, and the color is bright orange-red.

[0041] S2. Work-Reporting on Mobile: The work-reporting personnel open the work-reporting software interface on the mobile phone and select the corresponding step to complete. The work-reporting software sends the work-reporting information (including the workstation location A22 and the process step number S66) to the workshop drone control center.

[0042] S3. Drone Task Trigger: The drone control center generates a drone flight task based on the received work-reporting information. The drone automatically flies to Workstation A22 according to the task instructions.

[0043] S4, UAV Identification: The preset spatial range of Station A22 is a cubic space of 10m * 10m * 6m. The UAV flies in a circular path around Station A22 until it identifies the magnetic attraction pattern attached for work reporting through the image recognition module.

[0044] S5, Installation Status Shooting and Recording: After identifying the marker attached to the gusset plate, the UAV records videos and takes photos within 45 degrees of the normal line in the front of the magnetic attraction pattern to comprehensively record the installation status. The photos and videos taken by the UAV include the overall appearance of the workpiece, detailed parts, and the installation environment.

[0045] S6, Data Association and Storage: The photos and videos of the gusset plate taken are automatically associated with the process information of Step S66 through the data processing module. The associated data is stored in the database and classified and managed according to dimensions such as workstations, processes, and time.

[0046] S7, Management and Viewing: The management personnel and quality assurance personnel in the manufacturing department view the installation status pictures and videos of each process by logging in to the mobile device management interface.

[0047] In summary, the present invention provides a method for recording the installation status in a ship manufacturing workshop based on a UAV. First, the work reporting magnetic attraction pattern is attached to the installed workpiece, and then the work reporting information is sent to the UAV control center. The UAV flies to the corresponding workstation location according to the task instructions and records videos and takes photos. Finally, the taken photos and videos are stored in the server to complete the entire recording process. The recording method of this application abandons the traditional manual recording method. By using the UAV to record the installation status in the workshop, it can reduce a large amount of time costs, ensure real-time performance, and avoid the lag problem of traditional inspections. At the same time, it avoids climbing scaffolding or using lifting equipment, can effectively improve the efficiency and safety of ship cabin inspection, and provides reliable data support for the long-term maintenance and management of ships.

[0048] The above embodiments are only illustrative of the principles and effects of the present invention, and are not used to limit the present invention. Any person familiar with this technology can modify or change the above embodiments without departing from the spirit and scope of the present invention. Therefore, all equivalent modifications or changes completed by those with ordinary knowledge in the technical field without departing from the spirit and technical ideas disclosed by the present invention should still be covered by the claims of the present invention.

Claims

1. A method for recording the installation status of a shipbuilding workshop based on an unmanned aerial vehicle, characterized in that, It includes the following steps: S1. Report work and attach a marker: The worker reporting the work attaches the front side of the magnetic reporting graphic to the installed workpiece or a magnetically attachable position beside it. S2. Report work on the mobile phone: The worker reporting the work uses the work reporting software on the mobile phone to send the work reporting information to the UAV control center via wireless network. S3. Trigger the UAV task: The UAV control center generates a UAV flight task based on the received work reporting information. The UAV automatically flies to the corresponding workstation position according to the task instructions. S4. UAV identification: The UAV arrives at the workstation position and flies in a circular path around the workstation until it recognizes the attached magnetic reporting graphic through the image recognition module. S5. Record the installation status by shooting: After successful recognition, the UAV records videos and takes photos within 45 degrees of the normal line of the front side of the magnetic graphic to record the installation status comprehensively.

2. The method for recording the installation status of a ship manufacturing workshop based on an unmanned aerial vehicle according to claim 1, wherein It also includes the following steps: S6. Data association and storage: The photos and videos taken by the UAV are stored in the database through wired or wireless transmission, and are associated with the process step information through the data processing module, and are classified and managed according to workstations, process steps, and time. S7. Management and viewing: Managers and quality assurance personnel view the installation status pictures and videos of each process step through the management interface.

3. The method for recording the installation status of a ship manufacturing workshop based on an unmanned aerial vehicle according to claim 1, wherein: The magnetic reporting graphic in step S1 is a graphic with bright colors and complex content outlines, and its surface is coated with a reflective material to facilitate the recognition and positioning by the camera mounted on the UAV.

4. The method for recording the installation status of a ship manufacturing workshop based on an unmanned aerial vehicle according to claim 1, wherein: In step S2, the work reporting information includes the workstation position and the process step number.

5. The method for recording the installation status of a shipbuilding workshop based on an unmanned aerial vehicle according to claim 1, characterized in that: The task instructions in step S3 include the coordinate data where the UAV needs to fly to the workstation and the flight path.

6. The method for recording the installation status of a ship manufacturing workshop based on an unmanned aerial vehicle according to claim 1, characterized in that: The UAV is an industrial-grade UAV equipped with a high-definition camera, and the camera is a three-axis gimbal camera.

7. The method for recording the installation status of a ship manufacturing workshop based on an unmanned aerial vehicle according to claim 2, wherein: In step S7, the management interface supports retrieval and filtering according to workstations, process steps, and time.

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