CN104215988A - Underwater target positioning method - Google Patents
Underwater target positioning method Download PDFInfo
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- CN104215988A CN104215988A CN201410506327.6A CN201410506327A CN104215988A CN 104215988 A CN104215988 A CN 104215988A CN 201410506327 A CN201410506327 A CN 201410506327A CN 104215988 A CN104215988 A CN 104215988A
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- target
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- buoy
- underwater robot
- underwater
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/02—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems using reflection of acoustic waves
- G01S15/06—Systems determining the position data of a target
- G01S15/08—Systems for measuring distance only
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S15/00—Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
- G01S15/86—Combinations of sonar systems with lidar systems; Combinations of sonar systems with systems not using wave reflection
Abstract
The invention relates to an underwater target positioning method. The underwater target positioning method includes that (1) a recognition system is provided and comprises a buoy subsystem, a sonar subsystem, a target recognition subsystem and a control subsystem, the buoy subsystem floats on a water surface above an underwater robot, the target recognition subsystem, the sonar subsystem and the control subsystem are disposed on the underwater robot, the buoy subsystem is used for determining global positioning system (GPS) position of a buoy, the sonar subsystem is used for determining a buoy relative position between the buoy and the underwater robot, the target recognition subsystem is used for determining the type of an underwater target and for determining a target relative distance between the underwater target and the underwater robot, and the control subsystem determines the GPS position of the underwater robot and the GPS position of the underwater target according to the buoy GPS position, the buoy relative position and the target relative distance; (2) positioning is performed by means of the recognition system. By means of the underwater target positioning method, GPS positions of the underwater robot and the underwater target can be accurately determined, and meanwhile, the type of the underwater target can be recognized.
Description
Technical field
The present invention relates to detection field under water, particularly relate to a kind of submarine target localization method.
Background technology
Robotics is the complex art integrating kinematics and the science and technology such as kinetic theory, machine design and manufacture technology, computer hardware and software engineering, control theory, electrical servo servo technology, sensor technology, artificial intelligence theory.His research and development indicate the development level of a national science technology, and it is in the popularization and application of various mechanical field, then show the economy of this country and the strength of development in science and technology.
Many countries are in order to advance robot development's cause of this country in the world, squeeze into increasingly competitive international high-tech market, do not stint and drop into huge manpower, financial resources to promote the development of Robotics, have developed eurypalynous robot perhaps.The application of robot also extend under water and universe from artificial environment gradually.
Along with the growth of the size of population and improving constantly of scientific and technological level, the mankind are using the frontier of ocean as survival and development, the development and utilization of ocean has become one of Fundamentals determining national ups and downs, thus makes underwater robot have more wide application prospect.Underwater robot design is a comprehensive complex engineering, and technology-intensive degree is high, is generally acknowledged high-tech.His Development Level embodies a national complex art strength.
Underwater robot generally can be divided into two large classes: a class has cable underwater robot, and custom is called remote-controlled vehicle (Remote Operated Vehicle is called for short ROV); Another kind of is without cable underwater robot, and custom is called autonomous underwater vehicle (Autonomous Underwater Vehicle is called for short AUV).In addition, divide by the object used, have and investigate robot (collection etc. of observation, measurement, test material) and underwater operation robot (operation such as Underwater Welding, stubborn pipe, submerged structure, imderwater cutting) under water; Divide by playground, have seafloor robot and Shui Zhong robot.
But no matter underwater robot is operated in any application, the location of underwater robot is concerning manipulation side, and extremely important, underwater robot is when running into submarine target simultaneously, also quite crucial to the judgement of submarine target type.The locating information of underwater robot can help the side of manipulation to understand the job schedule of underwater robot, thus have one to judge in advance to current work progress and following job placement, the judgement of submarine target type can help the side of manipulation to understand situation under water, thus determines whether to search out expectation target.But due to the limitation of underwater wireless transmission, gps signal cannot be sent under water, lacks the effective means of underwater robot location in prior art, more lack intelligent control system underwater robot location and submarine target type being judged to organically combine.
Therefore, need a kind of submarine target localization method, help the manipulation side of underwater robot to recognize the GPS location of underwater robot in time, realize the location to underwater robot, submarine target type can also be realized, for the side of manipulation provides more how valuable reference data to the object run into.
Summary of the invention
In order to solve the problem, the invention provides a kind of submarine target localization method, introduce buoy subsystem, sonar subsystem, target recognition subsystem and control subsystem four subsystems, buoy subsystem is connected by wire cable with control subsystem, and on buoy subsystem, solar power supply unit is installed, for powering for described target localization recognition system, in addition, based on buoy GPS location, the relative distance determination submarine target GPS location of buoy and underwater robot relative position and target and underwater robot, and complete the image recognition to target type by camera head and image processing apparatus, underwater robot control system is obtained further perfect.
According to an aspect of the present invention, provide a kind of submarine target localization method, the method comprises: 1) provide underwater robot target localization recognition system, described target localization recognition system comprises buoy subsystem, sonar subsystem, target recognition subsystem and control subsystem, described buoy subsystem is suspended on the water surface above underwater robot, described target recognition subsystem, described sonar subsystem and described control subsystem are arranged on underwater robot, described buoy subsystem is used for determining buoy GPS location, described sonar subsystem is for determining the buoy relative position of buoy distance underwater robot, described target recognition subsystem is used for determining submarine target type, and for determining the target relative distance of submarine target distance underwater robot, described control subsystem is according to described buoy GP S position, described buoy relative position and described target relative distance determination underwater robot GPS location and submarine target GPS location, and 2) use described target localization recognition system to position.
More specifically, in described underwater robot target localization recognition system, described control subsystem is electrically connected with described sonar subsystem and described target recognition subsystem respectively, described buoy subsystem is connected by wire cable with described control subsystem, described buoy GPS location is forwarded to described control subsystem by described wire cable by described buoy subsystem, and by described wire cable be described sonar subsystem, described target recognition subsystem and described control subsystem provide solar powered, described buoy subsystem also comprises buoy, is suspended on the water surface above underwater robot, photovoltaic panel, is fixed on above buoy, for receiving solar radiation, solar storage battery, being arranged in buoy and having water-tight shell, connecting described photovoltaic panel, for powering for described target localization recognition system, GPS positioning equipment, for receiving the buoy GPS location that gps satellite sends in real time, first wire cable interface, for connecting described control subsystem, described first wire cable interface is also connected respectively with described solar storage battery and described GPS positioning equipment, wireless communication interface, is connected with described first wire cable interface, for realizing two-way wireless communication with parametric controller waterborne, described sonar subsystem also comprises transmitting transducer, for launching sound wave under water, when transmitting sound wave runs into described buoy, is returned by acoustic reflection, receiving transducer, for receiving the sound wave of described buoy reflection under water, microcontroller, is connected respectively with described transmitting transducer and described receiving transducer, calculates described buoy relative position based on transmitting acoustic wave character and reception acoustic wave character, described target recognition subsystem also comprises Underwater Camera, for the forward image of captured in real-time underwater robot, first memory, prestored target characteristic database, includes the characteristics of image of various submarine target in described target characteristic database, and described first memory also stored for goal-selling distance threshold, image processor, comprise image filtering unit, object-recognition unit and target determination unit, described image filtering unit is connected with described Underwater Camera, image filtering based on median algorithm is carried out to obtain filtering image to described forward image, described object-recognition unit is connected with described image filtering unit, for marking off target subimage from described filtering image, described target determination unit is connected with described first memory and described object-recognition unit respectively, determine the target image characteristics of described target subimage, and in described target characteristic database, find the submarine target type of the described target image characteristics of coupling, infrared distance measuring sensor, for determining the target relative distance of submarine target distance underwater robot, described control subsystem also comprises the second wire cable interface, for connecting described buoy subsystem by described wire cable, ARM 11 processor, be connected to receive described buoy GPS location with described second wire cable interface, be connected with described microcontroller to receive described buoy relative position, be connected to obtain described target relative distance with described infrared distance measuring sensor, and based on described buoy GPS location, described buoy relative position determination underwater robot GPS location, based on described buoy GPS location, described buoy relative position and described target relative distance determination submarine target GPS location, described ARM 11 processor also with described Underwater Camera, described first memory is connected respectively with described image processor, when described target relative distance is less than or equal to described goal-selling distance threshold, start described Underwater Camera and described image processor, wherein, described submarine target GPS location, described underwater robot GPS location and described submarine target type are sent to the wireless communication interface of described buoy subsystem by described wire cable by described second wire cable interface, so that wireless forwarding is to described parametric controller waterborne.
More specifically, in described underwater robot target localization recognition system, described wireless communication interface realizes two-way wireless communication by GPRS mobile communications network, 3G mobile communications network or 4G mobile communications network and described parametric controller waterborne.
More specifically, in described underwater robot target localization recognition system, described solar storage battery is lead-acid battery.
More specifically, in described underwater robot target localization recognition system, described sonar subsystem is positioned at the cover top portion of described underwater robot, and described target recognition subsystem and described control subsystem are all positioned at the housing front of described underwater robot.
Accompanying drawing explanation
Below with reference to accompanying drawing, embodiment of the present invention are described, wherein:
Fig. 1 is the block diagram of the underwater robot target localization recognition system illustrated according to an embodiment of the present invention.
Fig. 2 is the block diagram of the sonar subsystem of the underwater robot target localization recognition system illustrated according to an embodiment of the present invention.
Embodiment
Below with reference to accompanying drawings the embodiment of underwater robot target localization recognition system of the present invention is described in detail.
Underwater robot is when early 1950s is born, and because involved new technology is ripe not enough, the failure rate of electronic equipment is high, and the problems such as the coupling of communication and lifting recovery do not solve very well, therefore develop unhappy, are not subject to people's attention.To the sixties, start two great development technology in the world, i.e. universe and ocean development, impel remote operation humanoid robot to obtain very fast development.
In nearest more than 20 year, due to ocean development and military needs, especially the various material needed for underwater human body and technology have obtained good solution, the underwater talent obtains and develops on a large scale very much, have developed a collection of robot that can be operated in various different depth, carry out several work, can be used for the field such as dam inspection and military affairs of oil exploitation, the investigation of seabed mineral reserve, salvage operation, pipeline laying and inspection, cable laying and inspection, mariculture, river reservoir.Along with the exploitation needs of ocean and the progress of technology, the underwater robot adapting to various needs will obtain larger development.
There are two kinds of demands in underwater robot: (1) needs the locating information determining underwater robot in time at work, preferably international GPS locating information; (2) to each immersed body that underwater robot runs into, the type determining them is in time needed, for the operation of underwater robot provides reference.
Underwater robot target localization recognition system of the present invention, can by the mode of buoy auxiliary positioning, use the GPS information of the GPS information location underwater robot of buoy, simultaneously, take the target recognition mode based on image procossing, the object features recognized is mated one by one with the various object features that prestores, to obtain the type of submarine target.
Fig. 1 is the block diagram of the underwater robot target localization recognition system illustrated according to an embodiment of the present invention, described system comprises buoy subsystem 1, sonar subsystem 2, target recognition subsystem 4 and control subsystem 3, described control subsystem 3 and described buoy subsystem 1, described sonar subsystem 2 is connected respectively with described target recognition subsystem 4, described buoy subsystem 1 is suspended on the water surface above underwater robot, described target recognition subsystem 4, described sonar subsystem 2 and described control subsystem 3 are arranged on underwater robot, described buoy subsystem 3 is for determining buoy GPS location, described sonar subsystem 2 is for determining the buoy relative position of buoy distance underwater robot, described target recognition subsystem 4 is for determining submarine target type, and for determining the target relative distance of submarine target distance underwater robot, described control subsystem 3 is according to described buoy GPS location, described buoy relative position and described target relative distance determination submarine target GPS location.
Then, more specific description is carried out to the structure of underwater robot target localization recognition system of the present invention.
In described underwater robot target localization recognition system, described control subsystem 3 is electrically connected with described sonar subsystem 2 and described target recognition subsystem 4 respectively; Described buoy subsystem 1 is connected by wire cable with described control subsystem 3, described buoy GPS location is forwarded to described control subsystem 3 by described wire cable by described buoy subsystem 1, and by described wire cable be described sonar subsystem 2, described target recognition subsystem 4 and described control subsystem 3 provide solar powered.
Described buoy subsystem 1 also comprises buoy, is suspended on the water surface above underwater robot; Photovoltaic panel, is fixed on above buoy, for receiving solar radiation; Solar storage battery, being arranged in buoy and having water-tight shell, connecting described photovoltaic panel, for powering for described target localization recognition system; GPS positioning equipment, for receiving the buoy GPS location that gps satellite sends in real time; First wire cable interface, for connecting described control subsystem 3, described first wire cable interface is also connected respectively with described solar storage battery and described GPS positioning equipment; Wireless communication interface, is connected with described first wire cable interface, for realizing two-way wireless communication with parametric controller waterborne.
As shown in Figure 2, described sonar subsystem 2 also comprises transmitting transducer 21, for launching sound wave under water, when transmitting sound wave runs into described buoy, is returned by acoustic reflection; Receiving transducer 22, for receiving the sound wave of described buoy reflection under water; Microcontroller 23, is connected respectively with described transmitting transducer 21 and described receiving transducer 23, calculates described buoy relative position based on transmitting acoustic wave character and reception acoustic wave character.
Described target recognition subsystem 4 also comprises Underwater Camera, for the forward image of captured in real-time underwater robot, first memory, prestored target characteristic database, includes the characteristics of image of various submarine target in described target characteristic database, and described first memory also stored for goal-selling distance threshold, image processor, comprise image filtering unit, object-recognition unit and target determination unit, described image filtering unit is connected with described Underwater Camera, image filtering based on median algorithm is carried out to obtain filtering image to described forward image, described object-recognition unit is connected with described image filtering unit, for marking off target subimage from described filtering image, described target determination unit is connected with described first memory and described object-recognition unit respectively, determine the target image characteristics of described target subimage, and in described target characteristic database, find the submarine target type of the described target image characteristics of coupling, infrared distance measuring sensor, for determining the target relative distance of submarine target distance underwater robot.
Described control subsystem 3 also comprises the second wire cable interface, for connecting described buoy subsystem 1 by described wire cable; ARM 11 processor, be connected to receive described buoy GPS location with described second wire cable interface, be connected with described microcontroller to receive described buoy relative position, be connected to obtain described target relative distance with described infrared distance measuring sensor, and based on described buoy GPS location, described buoy relative position and described target relative distance determination submarine target GPS location.
Described ARM 11 processor is also connected respectively with described Underwater Camera, described first memory and described image processor, when described target relative distance is less than or equal to described goal-selling distance threshold, start described Underwater Camera and described image processor.
Wherein, described submarine target GPS location and the described submarine target type that received by described ARM11 processor are transmitted to the wireless communication interface of described buoy subsystem 1 by described second wire cable interface by described wire cable, described submarine target GPS location and described submarine target type are wirelessly transmitted to described parametric controller waterborne by described wireless communication interface.
Wherein, in described underwater robot target localization recognition system, described wireless communication interface can be selected to realize two-way wireless communication by GPRS mobile communications network, 3G mobile communications network or 4G mobile communications network and described parametric controller waterborne, described solar storage battery can select lead-acid battery, described sonar subsystem 2 is positioned at the cover top portion of described underwater robot, and described target recognition subsystem 4 and described control subsystem 3 are all positioned at the housing front of described underwater robot.
In addition, sonar is the transliteration of english abbreviation " SONAR ", and its Chinese full name is: sound navigation and range finding, Sound Navigation And Ranging, be that one utilizes the underwater propagation characteristic of sound wave, changed and information processing by electroacoustic, complete the electronic equipment of undersea detection and communication task.He has active and passive type two type, belongs to the category of acoustics location.Sonar subsystem 2 used in the present invention is active Sonar system.Sonar utilizes underwater acoustic wave to detect submarine target, locates and the electronic equipment communicated, and is most widely used general, most important a kind of device in underwater acoustics.
In addition, sonar unit generally by basic matrix, electronics rack and utility appliance three part form.Basic matrix is arranged in a combination with certain geometric figure by underwater acoustic transducer, and its profile is generally spherical, cylindricality, plate shaped, have receive basic matrix, transmitter battle array or transmitting-receiving unification basic matrix point.Electronics rack generally has the subsystems such as transmitting, reception, display and control.The devices such as utility appliance comprises power-supply device, stube cable, under water junction box and repeater, the lifting, revolution, pitching, the folding and unfolding that control to match with the transmission of sonar array, pulls, hangs, input, and sonar dome etc.
Transducer is the important devices in sonar, and he is the device that the energy of acoustic energy and other form is changed mutually as mechanical energy, electric energy, magnetic energy etc.He has two purposes: one is launch sound wave under water, is called " transmitting transducer ", is equivalent to the loudspeaker in air; Two is receive sound wave under water, is called " receiving transducer ", is equivalent to the microphone in air.Transducer is when reality uses often simultaneously for transmitting and receiving sound wave, and the transducer being specifically designed to reception is also called " nautical receiving set ".The principle of work of transducer is the piezoelectric effect or magnetostrictive effect that utilize some material to stretch under the effect in electric field or magnetic field.
In addition, buoy, referring to a kind of navigation mark of bubbling through the water column, is be anchored on assigned address, in order to indicate navigation channel scope, instruction shoal, obstruction or to represent the water surface aids to navigation of special purpose.Buoy quantity in navigation mark is maximum, is widely used, is arranged on and is difficult to maybe should not set up fixed seamark part.Buoy, its function is the barrier indicating Over-draught or danger to surface navigation safety.The buoy that light fixture is housed is called light buoy, is used for navaid in day and night navigable waters.Some buoys also fill the equipment such as radar responder, marker beacon, fog warning signal and sea investigation instrument.
Adopt underwater robot target localization recognition system of the present invention, the technical matters of GPS location and target type coupling cannot be carried out for existing underwater robot control system, utilize buoy GPS location and buoy relative to the GPS location of the relative distance determination underwater robot of underwater robot, utilize buoy GPS location, buoy and target are relative to the GPS location of the relative distance determination submarine target of underwater robot, introduce image processing techniques to identify submarine target feature simultaneously, and utilize target characteristic database to match the type of submarine target further, thus facilitate parametric controller waterborne to control the underwater operation of underwater robot.
Be understandable that, although the present invention with preferred embodiment disclose as above, but above-described embodiment and be not used to limit the present invention.For any those of ordinary skill in the art, do not departing under technical solution of the present invention ambit, the technology contents of above-mentioned announcement all can be utilized to make many possible variations and modification to technical solution of the present invention, or be revised as the Equivalent embodiments of equivalent variations.Therefore, every content not departing from technical solution of the present invention, according to technical spirit of the present invention to any simple modification made for any of the above embodiments, equivalent variations and modification, all still belongs in the scope of technical solution of the present invention protection.
Claims (5)
1. a submarine target localization method, the method comprises:
1) underwater robot target localization recognition system is provided, described target localization recognition system comprises buoy subsystem, sonar subsystem, target recognition subsystem and control subsystem, described buoy subsystem is suspended on the water surface above underwater robot, described target recognition subsystem, described sonar subsystem and described control subsystem are arranged on underwater robot, described buoy subsystem is used for determining buoy GPS location, described sonar subsystem is for determining the buoy relative position of buoy distance underwater robot, described target recognition subsystem is used for determining submarine target type, and for determining the target relative distance of submarine target distance underwater robot, described control subsystem is according to described buoy GPS location, described buoy relative position and described target relative distance determination underwater robot GPS location and submarine target GPS location, and
2) described target localization recognition system is used to position.
2. the method for claim 1, is characterized in that:
Described control subsystem is electrically connected with described sonar subsystem and described target recognition subsystem respectively;
Described buoy subsystem is connected by wire cable with described control subsystem, described buoy GPS location is forwarded to described control subsystem by described wire cable by described buoy subsystem, and by described wire cable be described sonar subsystem, described target recognition subsystem and described control subsystem provide solar powered;
Described buoy subsystem also comprises:
Buoy, is suspended on the water surface above underwater robot;
Photovoltaic panel, is fixed on above buoy, for receiving solar radiation;
Solar storage battery, to be arranged in buoy and to have water-tight shell, connecting described light
Volt plate, for powering for described target localization recognition system;
GPS positioning equipment, for receiving the buoy GPS location that gps satellite sends in real time;
First wire cable interface, for connecting described control subsystem, described first wire cable interface is also connected respectively with described solar storage battery and described GPS positioning equipment;
Wireless communication interface, is connected with described first wire cable interface, for realizing two-way wireless communication with parametric controller waterborne;
Described sonar subsystem also comprises:
Transmitting transducer, for launching sound wave under water, when transmitting sound wave runs into described buoy, returns acoustic reflection;
Receiving transducer, for receiving the sound wave of described buoy reflection under water;
Microcontroller, is connected respectively with described transmitting transducer and described receiving transducer, calculates described buoy relative position based on transmitting acoustic wave character and reception acoustic wave character;
Described target recognition subsystem also comprises:
Underwater Camera, for the forward image of captured in real-time underwater robot;
First memory, prestored target characteristic database, includes the characteristics of image of various submarine target in described target characteristic database, and described first memory also stored for goal-selling distance threshold;
Image processor, comprise image filtering unit, object-recognition unit and target determination unit, described image filtering unit is connected with described Underwater Camera, image filtering based on median algorithm is carried out to obtain filtering image to described forward image, described object-recognition unit is connected with described image filtering unit, for marking off target subimage from described filtering image, described target determination unit is connected with described first memory and described object-recognition unit respectively, determine the target image characteristics of described target subimage, and in described target characteristic database, find the submarine target type of the described target image characteristics of coupling,
Infrared distance measuring sensor, for determining the target relative distance of submarine target distance underwater robot;
Described control subsystem also comprises:
Second wire cable interface, for connecting described buoy subsystem by described wire cable;
ARM 11 processor, be connected to receive described buoy GPS location with described second wire cable interface, be connected with described microcontroller to receive described buoy relative position, be connected to obtain described target relative distance with described infrared distance measuring sensor, and based on described buoy GPS location, described buoy relative position determination underwater robot GPS location, based on described buoy GPS location, described buoy relative position and described target relative distance determination submarine target GPS location, described ARM 11 processor also with described Underwater Camera, described first memory is connected respectively with described image processor, when described target relative distance is less than or equal to described goal-selling distance threshold, start described Underwater Camera and described image processor,
Wherein, described submarine target GPS location, described underwater robot GPS location and described submarine target type are sent to the wireless communication interface of described buoy subsystem by described wire cable by described second wire cable interface, so that wireless forwarding is to described parametric controller waterborne.
3. method as claimed in claim 2, is characterized in that:
Described wireless communication interface realizes two-way wireless communication by GPRS mobile communications network, 3G mobile communications network or 4G mobile communications network and described parametric controller waterborne.
4. method as claimed in claim 2, is characterized in that:
Described solar storage battery is lead-acid battery.
5. method as claimed in claim 2, is characterized in that:
Described sonar subsystem is positioned at the cover top portion of described underwater robot, and described target recognition subsystem and described control subsystem are all positioned at the housing front of described underwater robot.
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