CN115225860A - Offshore mining platform safety monitoring method based on edge calculation - Google Patents
Offshore mining platform safety monitoring method based on edge calculation Download PDFInfo
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Abstract
The invention provides an offshore mining platform safety monitoring method based on edge calculation, which comprises the steps of respectively carrying out offshore mining platform image shooting and water flow state information acquisition on an area above a sea level and an area below the sea level of an offshore mining platform by arranging a distributed camera system and an underwater sensor; analyzing and processing the image of the offshore mining platform and the water flow state information, judging whether an equipment dumping event and an offshore mining platform vibration event occur or not, generating an alarm notification message according to the event, and sending the alarm notification message to a corresponding staff terminal; the method monitors the area above the sea level and the area below the sea level of the offshore mining platform simultaneously, so that the live state of the operating equipment on the platform and the structure of the platform can be obtained, the offshore mining platform is comprehensively and reliably monitored safely, and the safety early warning timeliness of the offshore mining platform is improved.
Description
Technical Field
The invention relates to the technical field of offshore operation safety monitoring, in particular to an offshore mining platform safety monitoring method based on edge calculation.
Background
Offshore mining platforms such as oil mining platforms are in complex and severe offshore working environments for a long time, and the working safety of the offshore mining platforms is affected by sea waves, storm tides and the like. In order to monitor the safety of the offshore mining platform, a weather prediction system is usually installed on the offshore mining platform to predict the weather state of the offshore environment, and to notify the workers on the platform in time when severe weather occurs. However, the above-mentioned method is only to perform safety monitoring on the weather environment where the platform is located, and does not perform safety monitoring on the operating equipment on the platform and the structure of the platform itself, which cannot perform comprehensive and reliable safety monitoring on the offshore mining platform.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides an offshore mining platform safety monitoring method based on edge calculation, which comprises the steps of respectively carrying out offshore mining platform image shooting and water flow state information acquisition on an area above a sea level and an area below the sea level of an offshore mining platform by arranging a distributed camera system and an underwater sensor; analyzing and processing the image of the offshore mining platform and the water flow state information, judging whether an equipment dumping event and an offshore mining platform vibration event occur or not, generating an alarm notification message according to the event, and sending the alarm notification message to a corresponding staff terminal; the method monitors the area above the sea level and the area below the sea level of the offshore mining platform simultaneously, so that the live state of the operating equipment on the platform and the structure of the platform can be obtained, the offshore mining platform is comprehensively and reliably monitored safely, and the safety early warning timeliness of the offshore mining platform is improved.
The invention provides an offshore mining platform safety monitoring method based on edge calculation, which comprises the following steps:
the method comprises the following steps that S1, a plurality of cameras are arranged in an area above the sea level of an offshore mining platform to form a distributed camera system; the distributed camera system is accessed to an edge computing terminal, and an offshore mining platform image shot by the distributed camera system is collected through the edge computing terminal;
s2, analyzing and processing the offshore mining platform image through the edge computing terminal, and determining equipment action state information of an area above the sea level of the offshore mining platform; judging whether an equipment toppling event occurs or not according to the equipment action state information;
s3, arranging an underwater sensor in an area below the sea level of the offshore mining platform, wherein the underwater sensor is used for acquiring water flow state information of the area below the sea level; the edge computing terminal is used for analyzing and processing the water flow state information and judging whether a vibration event of the offshore mining platform occurs or not;
and S4, generating a corresponding alarm notification message according to the judgment result about whether the equipment dumping event and the offshore mining platform vibration event occur or not, and sending the alarm notification message to a corresponding staff terminal.
Further, in the step S1, a plurality of cameras are arranged in an area above the sea level of the offshore mining platform to form a distributed camera system, which specifically includes:
the wide-angle cameras are correspondingly arranged in the area above the sea level of the offshore mining platform and face the field range of each operating device one by one, and are accessed to the edge computing terminal through independent bidirectional communication links, so that a distributed camera system is formed.
Further, in the step S1, collecting, by the edge computing terminal, the image of the offshore mining platform captured by the distributed camera system specifically includes:
after the edge computing terminal sends a shooting action instruction to each wide-angle camera respectively, the wide-angle cameras carry out corresponding shooting focal length and scanning shooting period adjustment according to the shooting focal length and the scanning shooting period which are contained in the shooting action instruction, and scan and shoot corresponding operation equipment, so that corresponding offshore mining platform images are obtained.
And after the wide-angle camera finishes a complete period of scanning and shooting, uploading the offshore mining platform image to the edge computing terminal.
Further, in step S2, analyzing and processing the image of the offshore production platform through the edge computing terminal, and determining the device operation state information of the area above the sea level of the offshore production platform specifically includes:
extracting the outline of the operation equipment from each frame of image of the offshore mining platform image through the edge computing terminal, and determining the relative displacement of the outline corresponding to the two adjacent frames of images;
and analyzing the relative displacement of the outline contours corresponding to all the two adjacent frames of images in all the frames of images of the offshore mining platform image, and determining the swing amplitude and the swing frequency of the operating equipment.
Further, in the step S2, determining whether an equipment toppling event occurs according to the equipment operation state information specifically includes:
if the swing amplitude is greater than or equal to a preset amplitude threshold value or the swing frequency is greater than or equal to a preset frequency threshold value, judging that an equipment toppling event can occur; otherwise, judging that the equipment toppling event cannot occur.
Further, in the step S3, the method further includes:
the underwater sensor is connected with the edge computing terminal through a cable and uploads the acquired water flow state information to the edge computing terminal through an electric coupler; the outer surface of the underwater sensor is formed with a buoyancy material, and the underwater sensor is bound with a weight load, and the weight load is used for pulling the underwater sensor downwards to a corresponding seabed depth position; when the heavy object is unloaded and separated from the underwater sensor, the underwater sensor can rise to the sea surface under the action of buoyancy generated by the buoyancy material; the cable can be extended and contracted in length, so that the underwater sensor reaches a corresponding seabed depth position; the edge computing terminal periodically acquires water flow state information from the underwater sensor at preset time intervals, and if the underwater sensor does not feed back the water flow state information to the edge computing terminal for a plurality of times, the underwater sensor can automatically break the connection with the heavy object load rejection, so that the underwater sensor rises to the sea surface under the buoyancy effect generated by the buoyancy material; the underwater sensor is connected with the heavy object load rejection through a stainless steel wire, when the underwater sensor needs to be disconnected from the heavy object load rejection, the underwater sensor is electrified to the stainless steel wire through an electrifying end, an anode of the electrifying end is connected with the stainless steel wire, a cathode of the electrifying end is connected with a copper block, the stainless steel wire is fused in a sacrificial anode mode, and meanwhile, the voltage of the electrifying end is controlled according to the duration time that the underwater sensor does not feed water flow state information back to the edge computing terminal, and the process is as follows:
step S301, controlling the anode of the electrifying end to electrify the stainless steel wire according to the current time and the total continuous times that the underwater sensor does not feed water flow state information back to the edge computing terminal before the current time by using the following formula (1),
in the formula (1), D (t) represents a control value for electrifying the stainless steel wire by the anode of the electrifying end at the current moment; t represents the current time; t is t 0 The time when the underwater sensor feeds back the water flow state information to the edge computing terminal for the first time is represented; t represents the predetermined time interval; n represents the total continuous times that the underwater sensor does not feed water flow state information back to the edge computing terminal before the current moment; a represents an integer variable; floor () means that an integer value not greater than a value in parentheses is found;
second to represent underwater sensors and edge computing terminals
When the water flow state information is carried out, the corresponding received information feedback value of the edge computing terminal is calculated, and if the underwater sensor is in the first place
Successfully feeding back water flow state information to the edge computing terminal when interacting with the edge computing terminal, and then
If the underwater sensor is at the first
Unsuccessfully feeding back water flow state information to the edge computing terminal when interacting with the edge computing terminal, then
If D (t) =1, the anode of the power-on end is required to electrify the stainless steel wire at the current moment;
if D (t) =0, the anode of the current time-unnecessary electrifying end is used for electrifying the stainless steel wire;
step S302, if the anode of the power-on end is needed to power on the stainless steel wire at the current moment, determining the initial voltage value of the power-on end for powering on the stainless steel wire according to the seabed water pressure detected by the underwater sensor at the current moment by using the following formula (2),
in the above formula (2), u 0 (t) represents an initial voltage value of the stainless steel wire electrified by the electrified end; u shape M Represents the maximum electrified voltage value of the electrified end;p (t) represents the submarine water pressure intensity detected by the underwater sensor at the current moment; ρ is a unit of a gradient 0 Represents the average density of seawater; g represents the gravitational acceleration;
step S303, determining the energizing voltage value for energizing the stainless steel wire at the current time by using the following formula (3),
in the above formula (3), u (t) represents the energization voltage value at which the stainless steel wire is energized by the energization terminal at that time; t is t D Indicates the moment when the electrifying end needs to electrify the stainless steel wire, u 0 (t D ) Represents that t is D Substituting the result obtained correspondingly by the formula (2); min {, } represents the minimum value at the left and right ends of a comma in the bracket.
Further, in step S3, the edge computing terminal is configured to analyze the water flow state information, and determine whether an offshore production platform vibration event occurs specifically includes:
the edge computing terminal analyzes and processes water flow speed information and water flow direction information contained in the water flow state information, and determines whether water flow vortex exists in an area below the sea level of the offshore mining platform; if so, judging that a vibration event of the offshore mining platform can occur; and if not, judging that the vibration event of the offshore mining platform cannot occur.
Further, in the step S4, generating a corresponding alarm notification message according to the determination result regarding whether the equipment dumping event and the offshore mining platform vibration event occur, and sending the alarm notification message to a corresponding staff terminal specifically includes:
and when judging that an equipment dumping event or an offshore mining platform vibration event can occur, generating an alarm notification message, and respectively sending the alarm notification message to mobile terminals where workers of the offshore mining platform and the ground control platform are located.
Compared with the prior art, the offshore mining platform safety monitoring method based on the edge calculation is characterized in that the distributed camera system and the underwater sensor are arranged, and offshore mining platform image shooting and water flow state information acquisition are respectively carried out on the area above the sea level and the area below the sea level of the offshore mining platform; analyzing and processing the image of the offshore mining platform and the water flow state information, judging whether an equipment dumping event and an offshore mining platform vibration event occur or not, generating an alarm notification message according to the event, and sending the alarm notification message to a corresponding staff terminal; the method monitors the area above the sea level and the area below the sea level of the offshore mining platform simultaneously, so that the live state of the operating equipment on the platform and the structure of the platform can be obtained, the offshore mining platform is comprehensively and reliably monitored safely, and the safety early warning timeliness of the offshore mining platform is improved.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
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 embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic flow chart of the offshore production platform safety monitoring method based on edge calculation provided by the invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
Fig. 1 is a schematic flow chart of an offshore production platform safety monitoring method based on edge calculation according to an embodiment of the present invention. The offshore mining platform safety monitoring method based on edge calculation comprises the following steps:
the method comprises the following steps that S1, a plurality of cameras are arranged in an area above the sea level of an offshore mining platform to form a distributed camera system; the distributed camera system is accessed to an edge computing terminal, and images of the offshore mining platform shot by the distributed camera system are collected through the edge computing terminal;
s2, analyzing and processing the offshore mining platform image through the edge computing terminal, and determining equipment action state information of an area above the sea level of the offshore mining platform; judging whether a device toppling event occurs or not according to the device action state information;
s3, arranging an underwater sensor in an area below the sea level of the offshore mining platform, wherein the underwater sensor is used for acquiring water flow state information of the area below the sea level; the edge computing terminal is used for analyzing and processing the water flow state information and judging whether a vibration event of the offshore mining platform occurs or not;
and S4, generating a corresponding alarm notification message according to the judgment result about whether the equipment toppling event and the offshore mining platform vibration event occur or not, and sending the alarm notification message to a corresponding staff terminal.
The beneficial effects of the above technical scheme are: the offshore mining platform safety monitoring method based on the edge calculation is characterized in that an offshore mining platform image shooting and water flow state information acquisition are respectively carried out on an area above the sea level and an area below the sea level of an offshore mining platform by arranging a distributed camera system and an underwater sensor; analyzing and processing the image of the offshore mining platform and the water flow state information, judging whether an equipment dumping event and an offshore mining platform vibration event occur or not, generating an alarm notification message according to the event, and sending the alarm notification message to a corresponding staff terminal; the method can simultaneously monitor the area above the sea level and the area below the sea level of the offshore mining platform, so that the actual state of the operating equipment on the platform and the structure of the platform can be obtained, the offshore mining platform can be comprehensively and reliably monitored safely, and the safety early warning timeliness of the offshore mining platform can be improved.
Preferably, in step S1, a plurality of cameras are arranged in an area above the sea level of the offshore mining platform to form a distributed camera system, which specifically includes:
the wide-angle cameras are correspondingly arranged in the area above the sea level of the offshore mining platform and face the field range of each operating device one by one, and are accessed to the edge computing terminal through independent bidirectional communication links, so that a distributed camera system is formed.
The beneficial effects of the above technical scheme are: by the mode, each wide-angle camera can shoot only one operating device, the phenomenon that a plurality of operating devices enter the shooting field range of the same wide-angle camera at the same time is avoided, and accuracy of follow-up image recognition and analysis is reduced.
Preferably, in step S1, the collecting, by the edge computing terminal, the offshore production platform image captured by the distributed camera system specifically includes:
after the shooting action instruction is sent to each wide-angle camera through the edge computing terminal, the wide-angle cameras perform corresponding shooting focal length and scanning shooting period adjustment according to the shooting focal length and the scanning shooting period contained in the shooting action instruction, and scan and shoot corresponding operation equipment, so that corresponding offshore mining platform images are obtained.
After the wide-angle camera finishes a complete period of scanning and shooting, uploading the offshore mining platform image to the edge computing terminal.
The beneficial effects of the above technical scheme are: by the aid of the mode, the images of the offshore mining platform about the specific operation equipment, which are shot by each wide-angle camera, can be uploaded to the edge computing terminal in time, so that the edge computing terminal can recognize and analyze the images of the offshore mining platform in real time, the efficiency of judging whether the equipment toppling events occur or not in the follow-up process is improved, and accidents caused by the fact that the equipment toppling events are delayed and judged are avoided.
Preferably, in the step S2, analyzing and processing the image of the offshore production platform through the edge computing terminal, and determining the equipment operation state information of the area above the sea level of the offshore production platform specifically includes:
extracting the outline of the operation equipment from each frame of image of the offshore mining platform image through the edge computing terminal, and determining the relative displacement of the outline corresponding to the two adjacent frames of images;
and analyzing the relative displacement of the outline contours corresponding to all the two adjacent frames of images in all the frames of images of the offshore mining platform image, and determining the swing amplitude and the swing frequency of the operation equipment.
The beneficial effects of the above technical scheme are: by means of the mode, the offshore mining platform image can be dynamically analyzed, the outline of the operation equipment in the image picture is taken as a reference, when the operation equipment in the actual environment swings, the outline of the operation equipment in the corresponding image picture can also shift, and the current swing action of the operation equipment can be quantitatively determined by analyzing the relative shift of the outlines corresponding to all the two adjacent frame images in all the frame images of the offshore mining platform image.
Preferably, in step S2, the determining whether an equipment toppling event occurs according to the equipment operation state information specifically includes:
if the swing amplitude is greater than or equal to a preset amplitude threshold value or the swing frequency is greater than or equal to a preset frequency threshold value, judging that an equipment toppling event can occur; otherwise, judging that the equipment toppling event cannot occur.
The beneficial effects of the above technical scheme are: through the mode, whether the equipment dumping event occurs or not can be quantitatively judged and recognized, and the judgment accuracy of the probability of the equipment dumping event is improved conveniently.
Preferably, in step S3, the method further includes:
the underwater sensor is connected with the edge computing terminal through a cable and uploads the acquired water flow state information to the edge computing terminal through an electric coupler; the outer surface of the underwater sensor is formed with a buoyancy material, and the underwater sensor is bound with a weight load which is used for pulling the underwater sensor downwards to a corresponding seabed depth position; when the heavy object is unloaded and separated from the underwater sensor, the underwater sensor can rise to the sea surface under the action of buoyancy generated by the buoyancy material; the cable can be extended and contracted in length, so that the underwater sensor reaches a corresponding seabed depth position; the edge computing terminal periodically acquires water flow state information from the underwater sensor at preset time intervals, and if the underwater sensor does not feed back the water flow state information to the edge computing terminal for a plurality of times, the underwater sensor can automatically disconnect the connection with the heavy object load rejection, so that the underwater sensor rises to the sea surface under the buoyancy effect generated by the buoyancy material; wherein, this underwater sensor throws with this heavy object and carries through the stainless steel wire to be connected, when this underwater sensor needs the disconnection and throws with this heavy object and carries the connection, carry on circular telegram to this stainless steel wire through the circular telegram end, the positive pole and this stainless steel wire of this circular telegram end are connected, the negative pole and the copper billet of this circular telegram end are connected, utilize the mode of sacrificial anode to fuse this stainless steel wire, still simultaneously according to this underwater sensor all not to the duration of this edge calculation terminal feedback rivers state information, the voltage of this circular telegram end of control, its process is:
step S301, controlling the anode of the electrifying end to electrify the stainless steel wire according to the current time and the total continuous times that the underwater sensor does not feed water flow state information back to the edge computing terminal before the current time by using the following formula (1),
in the formula (1), D (t) represents a control value of the anode of the current energization end to energize the stainless steel wire; t represents the current time; t is t 0 The time when the underwater sensor feeds back the water flow state information to the edge computing terminal for the first time is represented; t represents the predetermined time interval; n represents the total continuous times that the underwater sensor does not feed water flow state information back to the edge computing terminal before the current moment; a represents an integer variable; floor () means that an integer value not greater than a value in parentheses is found;
second to represent underwater sensors and edge computing terminals
When the water flow state information is carried out again, the edge calculates the corresponding received information feedback value of the terminal, if the underwater sensor is in the second place
When the edge computing terminal is interacted with the next time, the water flow state information is successfully fed back to the edge computing terminal
If the underwater sensor is in the first place
Unsuccessfully feeding back water flow state information to the edge computing terminal when interacting with the edge computing terminal, then
If D (t) =1, the anode of the power-on end is required to electrify the stainless steel wire at the current moment;
if D (t) =0, the anode of the current time-unnecessary electrifying end is used for electrifying the stainless steel wire;
step S302, if the anode of the power-on end is needed to power on the stainless steel wire at the current moment, determining an initial voltage value of the power-on end for powering on the stainless steel wire according to the seabed water pressure detected by the underwater sensor at the current moment by using the following formula (2),
in the above formula (2), u 0 (t) represents an initial voltage value of the stainless steel wire electrified by the electrified end; u shape M Represents the maximum electrified voltage value of the electrified end; p (t) represents the submarine water pressure intensity detected by the underwater sensor at the current moment; rho 0 Represents the average density of seawater; g represents the gravitational acceleration;
step S303, determining the energizing voltage value for energizing the stainless steel wire at the current moment by using the following formula (3),
in the above formula (3), u (t) represents an energization voltage value at which the stainless steel wire is energized by the energization terminal at that time; t is t D Indicates the moment when the electrifying end needs to electrify the stainless steel wire, u 0 (t D ) Denotes that D Substituting the result obtained correspondingly by the formula (2); min {, } represents the minimum value between the left and right ends of a comma in parentheses.
The beneficial effects of the above technical scheme are: by using the formula (1), according to the current time and the total continuous times that the underwater sensor does not feed back the water flow state information to the edge computing terminal before the current time, controlling the anode of the electrifying end to electrify the stainless steel wire, so that under the condition that the underwater sensor does not feed back the water flow state information to the edge computing terminal for many times, the underwater sensor can automatically carry out self-rescue, throw off heavy objects, float out of the water surface and ensure the safety of the internal data of the underwater sensor; then, by using the formula (2), according to the seabed water pressure detected by the underwater sensor at the current moment, determining the initial voltage value for electrifying the stainless steel wire by the electrifying end, so that the initial voltage is increased at a deeper position under water, the fusing of the stainless steel wire is accelerated, the safety of the underwater sensor is ensured, the floating-up time is reduced when the water depth is shallow, and some underwater data can be collected by using the fusing time, so that the efficiency is maximized; and finally, controlling the voltage change of the electrified end by utilizing the formula (3) to assist the fusing of the anode, so that the underwater sensor can timely float out of the water surface, and further ensuring that the stainless steel wire can be fused once the underwater sensor is handed over each other along with the lapse of time once the underwater sensor is handed over each other, and the underwater sensor can reliably float.
Preferably, in step S3, the analyzing and processing the water flow state information by the edge computing terminal, and determining whether a vibration event of the offshore production platform occurs specifically includes:
the edge computing terminal analyzes and processes water flow speed information and water flow direction information contained in the water flow state information, and determines whether water flow vortex exists in an area below the sea level of the offshore mining platform; if so, judging that a vibration event of the offshore mining platform can occur; and if not, judging that the vibration event of the offshore mining platform cannot occur.
The beneficial effects of the above technical scheme are: when the water flow in the area below the sea level of the offshore production platform is too fast, water flow vortex can be generated, and the water flow vortex can generate structural vibration on the area below the sea level of the offshore production platform, so that the structural stability of the offshore production platform can be endangered. By the mode, the water flow state of the area below the sea level of the offshore mining platform can be quantitatively determined, and whether the offshore mining platform shakes or not can be accurately judged conveniently.
Preferably, in step S4, generating a corresponding alarm notification message according to the determination result about whether the equipment dumping event and the marine mining platform vibration event occur, and sending the alarm notification message to a corresponding staff terminal specifically includes:
and when judging that an equipment dumping event or an offshore mining platform vibration event can occur, generating an alarm notification message, and respectively sending the alarm notification message to mobile terminals where workers of the offshore mining platform and the ground control platform are located.
The beneficial effects of the above technical scheme are: by the mode, the alarm notification message can be timely sent to the mobile terminals where the working personnel of the offshore mining platform and the ground control platform are located respectively, so that the working personnel of the offshore mining platform can be evacuated timely, and the working personnel of the ground control platform can go to the sea area where the offshore mining platform is located timely for rescue.
According to the content of the embodiment, the offshore mining platform safety monitoring method based on the edge calculation respectively carries out offshore mining platform image shooting and water flow state information acquisition on the area above the sea level and the area below the sea level of the offshore mining platform by arranging the distributed camera system and the underwater sensor; analyzing and processing the image of the offshore mining platform and the water flow state information, judging whether an equipment dumping event and an offshore mining platform vibration event occur or not, generating an alarm notification message according to the event, and sending the alarm notification message to a corresponding staff terminal; the method monitors the area above the sea level and the area below the sea level of the offshore mining platform simultaneously, so that the live state of the operating equipment on the platform and the structure of the platform can be obtained, the offshore mining platform is comprehensively and reliably monitored safely, and the safety early warning timeliness of the offshore mining platform is improved.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.
Claims (8)
1. The offshore mining platform safety monitoring method based on edge calculation is characterized by comprising the following steps of:
the method comprises the following steps that S1, a plurality of cameras are arranged in an area above the sea level of an offshore mining platform to form a distributed camera system; accessing the distributed camera system to an edge computing terminal, and collecting an offshore mining platform image shot by the distributed camera system through the edge computing terminal;
s2, analyzing and processing the image of the offshore mining platform through the edge computing terminal, and determining equipment action state information of an area above the sea level of the offshore mining platform; judging whether an equipment toppling event occurs or not according to the equipment action state information;
s3, arranging an underwater sensor in an area below a sea level of the offshore mining platform, wherein the underwater sensor is used for acquiring water flow state information of the area below the sea level; the edge computing terminal is used for analyzing and processing the water flow state information and judging whether a vibration event of the offshore mining platform occurs or not;
and S4, generating a corresponding alarm notification message according to the judgment result about whether the equipment dumping event and the offshore mining platform vibration event occur or not, and sending the alarm notification message to a corresponding staff terminal.
2. The offshore production platform safety monitoring method based on edge calculation of claim 1, wherein:
in the step S1, a plurality of cameras are arranged in an area above the sea level of the offshore mining platform to form a distributed camera system, which specifically includes:
the wide-angle cameras are correspondingly arranged in the area above the sea level of the offshore mining platform facing the field range of each operating device one by one, and are accessed to the edge computing terminal through independent bidirectional communication links, so that a distributed camera system is formed.
3. The offshore production platform safety monitoring method based on edge calculation as claimed in claim 2, wherein:
in step S1, the collecting, by the edge computing terminal, the marine mining platform image shot by the distributed camera system specifically includes:
after the edge computing terminal sends a shooting action instruction to each wide-angle camera, the wide-angle cameras adjust the corresponding shooting focal length and the corresponding scanning shooting period according to the shooting focal length and the scanning shooting period contained in the shooting action instruction, and scan and shoot corresponding operation equipment, so that corresponding offshore mining platform images are obtained;
and after the wide-angle camera finishes scanning and shooting in a complete period, uploading the image of the offshore mining platform to the edge computing terminal.
4. The offshore production platform safety monitoring method based on edge calculation of claim 3, wherein:
in step S2, analyzing and processing the image of the offshore production platform through the edge computing terminal, and determining the device operation state information of the area above the sea level of the offshore production platform specifically includes:
extracting the outline of the operation equipment from each frame of image of the offshore mining platform image through the edge computing terminal, and determining the relative displacement of the outline corresponding to the two adjacent frames of images;
and analyzing the relative displacement of the outline contours corresponding to all the two adjacent frames of images in all the frames of images of the offshore mining platform image, and determining the swing amplitude and the swing frequency of the operating equipment.
5. The offshore production platform safety monitoring method based on edge calculation of claim 4, wherein:
in step S2, determining whether an equipment toppling event occurs according to the equipment operation state information specifically includes:
if the swing amplitude is greater than or equal to a preset amplitude threshold value or the swing frequency is greater than or equal to a preset frequency threshold value, judging that an equipment toppling event can occur; otherwise, judging that the equipment toppling event can not occur.
6. The offshore production platform safety monitoring method based on edge calculation of claim 5, wherein:
in step S3, the method further includes:
the underwater sensor is connected with the edge computing terminal through a cable and uploads the acquired water flow state information to the edge computing terminal through an electric coupler; the outer surface of the underwater sensor is formed with a buoyancy material, and the underwater sensor is bound with a weight load, and the weight load is used for pulling the underwater sensor downwards to a corresponding seabed depth position; when the heavy object is unloaded and separated from the underwater sensor, the underwater sensor can rise to the sea surface under the action of buoyancy generated by the buoyancy material; the cable can be extended and contracted in length, so that the underwater sensor reaches a corresponding seabed depth position; the edge computing terminal periodically acquires water flow state information from the underwater sensor at preset time intervals, and if the underwater sensor does not feed back the water flow state information to the edge computing terminal for a plurality of times, the underwater sensor can automatically break the connection with the heavy object load rejection, so that the underwater sensor rises to the sea surface under the buoyancy effect generated by the buoyancy material; the underwater sensor is connected with the heavy object load rejection through a stainless steel wire, when the underwater sensor needs to be disconnected from the heavy object load rejection, the underwater sensor is electrified to the stainless steel wire through an electrifying end, an anode of the electrifying end is connected with the stainless steel wire, a cathode of the electrifying end is connected with a copper block, the stainless steel wire is fused in a sacrificial anode mode, and meanwhile, the voltage of the electrifying end is controlled according to the duration time that the underwater sensor does not feed water flow state information back to the edge computing terminal, and the process is as follows:
step S301, controlling the anode of the electrifying end to electrify the stainless steel wire according to the current time and the total continuous times that the underwater sensor does not feed back water flow state information to the edge computing terminal before the current time by using the following formula (1),
in the formula (1), D (t) represents a control value for electrifying the stainless steel wire by the anode of the electrifying end at the current moment; t represents the current time; t is t 0 The time when the underwater sensor feeds back water flow state information to the edge computing terminal for the first time is represented; t represents the predetermined time interval; n represents the total continuous times that the underwater sensor does not feed water flow state information back to the edge computing terminal before the current moment; a represents an integer variable; floor () means that an integer value not greater than the value in parentheses is found;
second to represent underwater sensors and edge computing terminals
When the water flow state information is carried out again, the edge calculates the corresponding received information feedback value of the terminal, if the underwater sensor is in the second place
When the edge computing terminal is interacted with the next time, the water flow state information is successfully fed back to the edge computing terminal
If the underwater sensor is at the first
Unsuccessfully feeding back water flow state information to the edge computing terminal when interacting with the edge computing terminal, then
If D (t) =1, the anode of the power-on end is required to electrify the stainless steel wire at the current moment;
if D (t) =0, the anode of the power-on end is not needed to electrify the stainless steel wire at the current moment;
step S302, if the anode of the power-on end is needed to power on the stainless steel wire at the current moment, determining the initial voltage value of the power-on end for powering on the stainless steel wire according to the seabed water pressure detected by the underwater sensor at the current moment by using the following formula (2),
in the above formula (2), u 0 (t) represents an initial voltage value of the stainless steel wire electrified by the electrifying end; u shape M Represents the maximum electrified voltage value of the electrified end; p (t) represents the submarine water pressure intensity detected by the underwater sensor at the current moment; rho 0 Represents the average density of seawater; g represents the gravitational acceleration;
step S303, determining the energizing voltage value for energizing the stainless steel wire at the current time by using the following formula (3),
in the above formula (3), u (t) represents an energization voltage value at which the stainless steel wire is energized by the energization terminal at that time; t is t D Indicates the moment when the electrifying end needs to electrify the stainless steel wire, u 0 (t D ) Denotes that D Substituting the result obtained correspondingly to the formula (2); min {, } represents the minimum value at the left and right ends of a comma in the bracket.
7. The offshore production platform safety monitoring method based on edge calculation of claim 6, wherein:
in step S3, the edge computing terminal is configured to analyze and process the water flow state information, and determine whether an offshore production platform vibration event occurs specifically includes:
the edge computing terminal analyzes and processes water flow speed information and water flow direction information contained in the water flow state information, and determines whether water flow vortex exists in an area below a sea level of the offshore mining platform; if yes, judging that a vibration event of the offshore mining platform can occur; and if not, judging that the vibration event of the offshore mining platform cannot occur.
8. The offshore production platform safety monitoring method based on edge calculation of claim 7, wherein:
in step S4, generating a corresponding alarm notification message according to the determination result about whether the equipment dumping event and the offshore mining platform vibration event occur, and sending the alarm notification message to a corresponding staff terminal specifically includes:
and when judging that an equipment dumping event or an offshore mining platform vibration event can occur, generating an alarm notification message, and respectively sending the alarm notification message to mobile terminals where workers of the offshore mining platform and the ground control platform are located.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106572329A (en) * | 2016-10-14 | 2017-04-19 | 中国石油大学(华东) | Precise recognition system for video monitoring image |
| CN109635560A (en) * | 2018-12-25 | 2019-04-16 | 上海邦芯物联网科技有限公司 | Offshore platform generalized information management system |
| CN210006086U (en) * | 2018-12-25 | 2020-01-31 | 中国能源建设集团广东省电力设计研究院有限公司 | Offshore wind farm dispatching management system |
| CN210052269U (en) * | 2019-04-03 | 2020-02-11 | 天津东泉石油技术开发有限公司 | Howling-preventing calling device based on offshore platform |
| US20210174952A1 (en) * | 2019-12-05 | 2021-06-10 | SOL-X Pte. Ltd. | Systems and methods for operations and incident management |
| CN113431108A (en) * | 2021-07-30 | 2021-09-24 | 华能烟台新能源有限公司 | Ocean wind power foundation safety monitoring platform and monitoring method |
| CN113870550A (en) * | 2021-08-11 | 2021-12-31 | 中标慧安信息技术股份有限公司 | Regional anomaly detection method and system based on edge calculation |
| KR20220000221A (en) * | 2020-06-25 | 2022-01-03 | 주식회사 자비스넷 | A camera apparatus for providing a intelligent security surveillance service based on edge computing |
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106572329A (en) * | 2016-10-14 | 2017-04-19 | 中国石油大学(华东) | Precise recognition system for video monitoring image |
| CN109635560A (en) * | 2018-12-25 | 2019-04-16 | 上海邦芯物联网科技有限公司 | Offshore platform generalized information management system |
| CN210006086U (en) * | 2018-12-25 | 2020-01-31 | 中国能源建设集团广东省电力设计研究院有限公司 | Offshore wind farm dispatching management system |
| CN210052269U (en) * | 2019-04-03 | 2020-02-11 | 天津东泉石油技术开发有限公司 | Howling-preventing calling device based on offshore platform |
| US20210174952A1 (en) * | 2019-12-05 | 2021-06-10 | SOL-X Pte. Ltd. | Systems and methods for operations and incident management |
| KR20220000221A (en) * | 2020-06-25 | 2022-01-03 | 주식회사 자비스넷 | A camera apparatus for providing a intelligent security surveillance service based on edge computing |
| CN113431108A (en) * | 2021-07-30 | 2021-09-24 | 华能烟台新能源有限公司 | Ocean wind power foundation safety monitoring platform and monitoring method |
| CN113870550A (en) * | 2021-08-11 | 2021-12-31 | 中标慧安信息技术股份有限公司 | Regional anomaly detection method and system based on edge calculation |
Non-Patent Citations (3)
| Title |
|---|
| SHUXIANG GUO: "A Novel Target Recognition System for the Amphibious Robot based on Edge Computing and Neural Network", 《2020 IEEE INTERNATIONAL CONFERENCE ON MECHATRONICS AND AUTOMATION (ICMA)》, 26 October 2020 (2020-10-26) * |
| 柯建波: "基于神经网络自适应方法的海上浮式风机独立变桨控制研究与监控系统设计", 《中国优秀硕士学位论文全文数据库》, 15 April 2022 (2022-04-15) * |
| 陈守文;庞戈;: "海上设施安全监控预警技术与应用系统研究", 石油化工安全环保技术, no. 05, 20 October 2015 (2015-10-20) * |
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