WO2023190906A1 - レーザ装置、プログラム、システム、及び方法 - Google Patents
レーザ装置、プログラム、システム、及び方法 Download PDFInfo
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- WO2023190906A1 WO2023190906A1 PCT/JP2023/013260 JP2023013260W WO2023190906A1 WO 2023190906 A1 WO2023190906 A1 WO 2023190906A1 JP 2023013260 W JP2023013260 W JP 2023013260W WO 2023190906 A1 WO2023190906 A1 WO 2023190906A1
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- laser
- laser beam
- photovoltaic panel
- light
- control unit
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/30—Circuit arrangements or systems for wireless supply or distribution of electric power using light, e.g. lasers
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S50/00—Monitoring or testing of PV systems, e.g. load balancing or fault identification
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
- B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D27/00—Arrangement or mounting of power plants in aircraft; Aircraft characterised by the type or position of power plants
- B64D27/02—Aircraft characterised by the type or position of power plants
- B64D27/30—Aircraft characterised by electric power plants
- B64D27/35—Arrangements for on-board electric energy production, distribution, recovery or storage
- B64D27/353—Arrangements for on-board electric energy production, distribution, recovery or storage using solar cells
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U20/00—Constructional aspects of UAVs
- B64U20/80—Arrangement of on-board electronics, e.g. avionics systems or wiring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/30—Supply or distribution of electrical power
- B64U50/31—Supply or distribution of electrical power generated by photovoltaics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/30—Supply or distribution of electrical power
- B64U50/34—In-flight charging
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U50/00—Propulsion; Power supply
- B64U50/30—Supply or distribution of electrical power
- B64U50/34—In-flight charging
- B64U50/35—In-flight charging by wireless transmission, e.g. by induction
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D25/00—Control of light, e.g. intensity, colour or phase
- G05D25/02—Control of light, e.g. intensity, colour or phase characterised by the use of electric means
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/90—Circuit arrangements or systems for wireless supply or distribution of electric power involving detection or optimisation of position, e.g. alignment
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/40—Mobile PV generator systems
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/60—Navigation input
- B60L2240/62—Vehicle position
- B60L2240/622—Vehicle position by satellite navigation
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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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/66—Tracking systems using electromagnetic waves other than radio waves
Definitions
- the present invention relates to a laser device, a program, a system, and a method.
- Patent Document 1 describes a management device that allows a railway operator to easily and safely fly an unmanned aerial vehicle by creating a flight route using the area where railway lines owned by the railway operator are laid. has been done.
- Patent Document 2 describes a power transmission device that wirelessly transmits power to an electronic device.
- a laser device may be provided.
- the laser device may include an output section that outputs laser light.
- the laser device may include a receiving unit that receives position information indicating the position of the moving body.
- the laser device may include an imaging section that images the light from the moving object.
- the laser device is configured to direct more of the laser light to a photovoltaic panel mounted on the mobile body based on the position of the mobile body indicated by the position information and the captured image captured by the imaging unit.
- the laser beam may include a control unit that controls the output of the laser beam so that the laser beam is irradiated.
- the imaging unit may image the light emitted by a light source installed at a position corresponding to the photovoltaic panel.
- the image capturing unit may image the light that is reflected by the laser light from a reflecting plate installed around the photovoltaic panel.
- the imaging unit may image the light that has passed through a bandpass filter that passes only light in a predetermined wavelength band that includes the wavelength of the laser light.
- the control unit may control the irradiation direction of the laser beam so that the distance between the center of the laser beam and the center of the photovoltaic panel becomes shorter.
- the control unit may control the irradiation direction of the laser beam by analyzing the captured image and identifying the center position of the photovoltaic panel.
- the control unit may control the shape of the laser beam so that a shape error between the shape of the laser beam and the shape of the photovoltaic panel becomes smaller.
- the control unit may control the shape of the laser beam so that it becomes an ellipse, and the aspect ratio and direction of the ellipse may be controllable by the control unit.
- the control unit may control the intensity distribution of the laser beam so that the intensity distribution of the laser beam becomes more uniform on the photovoltaic panel.
- the control unit may control at least one of the shape and intensity distribution of the laser beam so that the power generated by the photovoltaic panel that receives the laser beam is maximized.
- the control unit may control the beam diameter of the laser beam so that a ratio of the size of the laser beam to the size of the photovoltaic panel becomes a predetermined ratio.
- the receiving unit may further receive moving speed information indicating a moving speed of the moving body and moving direction information indicating a moving direction of the moving body.
- the control unit causes the laser light to track the photovoltaic panel further based on the moving speed of the moving body indicated by the moving speed information and the moving direction of the moving body indicated by the moving direction information.
- the output of the laser beam may be controlled so as to.
- the control unit determines a target ratio of the size of the laser beam to the size of the photovoltaic panel based on a tracking result of the laser beam tracking the photovoltaic panel, and determines a target ratio of the size of the laser beam to the size of the photovoltaic panel.
- the beam diameter of the laser beam may be controlled so that the size ratio of the light becomes the determined target ratio.
- the receiving unit may receive environmental information indicating an environment around the mobile object.
- the control unit may control the output of the laser beam further based on the environmental information.
- the control unit may control the timing of outputting the laser beam so that the laser beam does not irradiate objects around a path of the laser beam.
- the control unit controls the beam diameter of the laser beam so that the size of the laser beam is smaller than the size of the photovoltaic panel by a predetermined percentage when an object exists behind the moving body. You may do so.
- a program for causing a computer to function as the laser device may be provided.
- a system may be provided.
- the system may include the laser device.
- the system may include the mobile object.
- a computer-implemented method may be provided.
- the method may include receiving location information indicative of the location of the mobile object.
- the method may include an imaging step of imaging light from the moving object.
- the method includes irradiating a photovoltaic panel mounted on the moving body with more laser light based on the position of the moving body indicated by the position information and the captured image captured in the imaging step.
- the method may include a control step for controlling the output of the laser beam so that the output of the laser beam is controlled.
- FIG. 1 schematically depicts an example of a system 10; An example of a functional configuration of a laser device 100 is schematically shown. An example of a photovoltaic panel 250 is schematically shown. An example of a captured image is schematically shown. Another example of the photovoltaic panel 250 is schematically shown. Another example of a captured image is schematically shown. FIG. 3 is an explanatory diagram for explaining an example of the processing flow of the laser device 100. An example of the hardware configuration of a computer 1200 functioning as the laser device 100 is schematically shown.
- Stratospheric unmanned aerial vehicles which rely solely on sunlight for power supply, face the issue of power shortages at night.
- One effective solution is to wirelessly supply power to aircraft flying at high altitudes using radio waves, but long-distance wireless power supply has to do with radio wave regulation and impact on communication satellites, and is technically sophisticated. And it hasn't happened yet.
- drones and the like have energy issues, making it difficult to fly for long periods of time.
- the system 10 according to one embodiment, for example, installs a solar panel on the bottom surface of a HAPS (High Altitude Platform Station) or a drone, and constantly focuses laser light output from a laser device installed on the ground on the solar panel. By doing so, the solar panel will generate electricity.
- HAPS High Altitude Platform Station
- FIG. 1 schematically shows an example of a system 10.
- the system 10 may include a laser device 100 and a moving object 200.
- the system 10 may include a laser device management device 300.
- the laser device 100 may have a wireless power supply function.
- the laser device 100 may wirelessly supply power to the moving body 200.
- the laser device 100 may wirelessly supply power to the moving body 200 by, for example, irradiating a photovoltaic panel 250 mounted on the moving body 200 with laser light.
- the laser device 100 may have a function of accessing the network 20, for example.
- Laser device 100 may access network 20 directly, for example.
- the laser device 100 may access the network 20 via a terrestrial base station, for example.
- the laser device 100 may access the network 20 via HAPS, for example.
- Laser device 100 may access network 20 via a communication satellite.
- the network 20 may include, for example, a core network provided by a carrier.
- the core network may be based on, for example, a 5G (5th Generation) communication system.
- the core network may be based on a mobile communication system after the 6G (6th Generation) communication system.
- the core network may conform to a 3G (3rd Generation) communication system.
- the core network may be compliant with the LTE (Long Term Evolution) communication system.
- Network 20 may include the Internet.
- the laser device 100 may have a function of wirelessly communicating with the moving body 200, for example.
- Wireless communication between the laser device 100 and the mobile object 200 is based on a wireless communication system such as Wi-Fi (registered trademark), microwave, optical communication, Bluetooth (registered trademark), and ZigBee (registered trademark). You may do so.
- the laser device 100 may wirelessly communicate with the mobile object 200 via the network 20.
- the laser device 100 may receive, for example, position information indicating the position of the moving body 200 from the moving body 200.
- the position information of the mobile body 200 may include, for example, longitude information indicating the longitude of the mobile body 200.
- the position information of the mobile body 200 may include, for example, latitude information indicating the latitude of the mobile body 200.
- the position information of the mobile body 200 may include, for example, altitude information indicating the altitude of the mobile body 200.
- the laser device 100 may have a function of controlling laser light, for example.
- the laser device 100 may generate a laser beam control signal for controlling laser light, and may control the laser beam according to the generated laser beam control signal.
- the laser device 100 may control the laser beam, for example, based on the position information of the moving body 200 received from the moving body 200 and a captured image of the light from the moving body 200.
- the captured image may be captured by, for example, an imaging unit included in the laser device 100.
- the captured image may be, for example, a still image.
- the captured image may be a moving image.
- the laser device 100 may control the output of the laser light so that the photovoltaic panel 250 is irradiated with more laser light.
- the laser device 100 may control the laser beam so that the distance between the center of the laser beam and the center of the photovoltaic panel 250 becomes shorter.
- the laser device 100 may control the irradiation direction of the laser beam so that the center of the laser beam coincides with the center of the photovoltaic panel 250, for example.
- the laser device 100 may be installed on the ground, for example.
- the laser device 100 may be installed in a building such as a tower or a building, for example.
- the laser device 100 may be installed in a moving object such as a vehicle or a ship.
- the laser device 100 When the laser device 100 is installed in a building or a moving body, it may be mounted on a spatial stabilization device that performs spatial stabilization of a controlled object by actively or passively alleviating detected vibrations.
- the mobile object 200 may move in the air, for example.
- the mobile object 200 may move in the stratosphere, for example.
- the mobile object 200 may move in outer space, for example.
- the mobile object 200 may move on the ground, for example.
- the mobile body 200 may move on the sea, for example.
- the mobile object 200 may move underwater.
- the mobile body 200 may, for example, transport any object to be transported.
- the object to be transported by the moving body 200 may be, for example, an article.
- the object to be transported by the moving body 200 may be a person.
- the mobile object 200 may be, for example, a flying object.
- the flying object may be, for example, an unmanned aerial vehicle.
- the flying object may be, for example, a drone.
- the air vehicle may be, for example, a HAPS.
- the flying object may be, for example, a glider.
- the flying vehicle may be a manned aircraft.
- the flying vehicle may be, for example, a flying car.
- Mobile object 200 may be, for example, a vehicle.
- the moving object 200 may be a ship. In FIG. 1, an example in which the mobile object 200 is a drone will be mainly described.
- the mobile body 200 may have one or more photovoltaic panels 250.
- FIG. 1 shows an example in which the moving body 200 has a photovoltaic panel 250 on the lower portion of the moving body 200.
- the mobile body 200 may include a photovoltaic panel 250 on an upper portion of the mobile body 200.
- the moving body 200 may have a photovoltaic panel 250 on a side portion of the moving body 200.
- the mobile body 200 may have a photovoltaic panel 250 on any other part of the mobile body 200.
- the photovoltaic panel 250 may be, for example, a solar panel.
- the solar panel may be, for example, a silicon (Si) based solar panel.
- the solar panel may be, for example, a CIGS solar panel that has high conversion efficiency for converting light energy in the infrared region into electric power.
- a CIGS solar panel is a solar panel formed using copper (Cu), indium (In), gallium (Ga), and selenium (Se).
- the solar panel may be a gallium arsenide (GaAs) based solar panel.
- the photovoltaic panel 250 may be shaped into any shape, for example, by combining one or more solar cells.
- the shape of the photovoltaic panel 250 may be, for example, circular.
- the shape of the photovoltaic panel 250 may be, for example, oval.
- the shape of the photovoltaic panel 250 may be, for example, rectangular.
- the shape of the photovoltaic panel 250 may be, for example, square.
- the photovoltaic panel 250 may be shaped using solar cells of the same size so that the conversion efficiency of laser light with a uniform intensity distribution is increased.
- the moving body 200 uses a homogenizer that homogenizes the intensity distribution of the laser beam to determine the effect of scintillation on the intensity distribution of the laser beam. may be relaxed.
- the mobile body 200 may include a battery (not shown).
- the battery may store power generated by the photovoltaic panel 250.
- the mobile object 200 may move using electric power stored in a battery.
- the moving body 200 may further include a storage section (not shown) that stores the object to be transported.
- the movable body 200 may have a housing section in an upper portion of the movable body 200, for example.
- the moving body 200 may have a housing section between the lower portion of the moving body 200 and the photovoltaic panel 250, for example.
- the moving body 200 may have a housing section in any other part of the moving body 200.
- the mobile body 200 may have, for example, a function of acquiring movement-related information related to movement of the mobile body 200.
- the function of acquiring the movement-related information of the mobile body 200 includes, for example, the function of acquiring the position information of the mobile body 200.
- the mobile body 200 may acquire the position information of the mobile body 200 using, for example, a GNSS (Global Navigation Satellite System) function.
- the mobile body 200 may acquire the position information of the mobile body 200 using, for example, a GPS (Global Positioning System) function.
- the mobile body 200 may acquire the position information of the mobile body 200 using an RTK (Real Time Kinematic) function.
- the function of acquiring the movement-related information of the mobile body 200 may include, for example, the function of acquiring movement speed information indicating the movement speed of the mobile body 200.
- the function of acquiring movement-related information of the mobile body 200 may include, for example, a function of acquiring movement direction information indicating the movement direction of the mobile body 200.
- the function of acquiring movement-related information of the mobile body 200 may include a function of acquiring posture information indicating the posture of the mobile body 200.
- the mobile body 200 may have a function of acquiring power generation amount information indicating the amount of power generated by the photovoltaic panel 250.
- the mobile object 200 may have a function of acquiring remaining battery power information indicating the remaining battery power of a battery mounted on the mobile object 200.
- the mobile body 200 may have a function of acquiring environmental information indicating the environment around the mobile body 200.
- the area around the moving body 200 may be an area within a predetermined range from the moving body 200.
- the mobile object 200 may have a function of accessing the network 20, for example.
- the mobile object 200 may access the network 20 in the same manner as the laser device 100, for example.
- the mobile body 200 may have a function of wirelessly communicating with the laser device 100, for example.
- the moving object 200 may transmit movement-related information to the laser device 100, for example.
- the moving body 200 may receive installation position information indicating the installation position of the laser apparatus 100 from the laser apparatus 100.
- the mobile body 200 may have a function of controlling movement of the mobile body 200, for example.
- the function of controlling the movement of the mobile body 200 may include, for example, the function of controlling the position of the mobile body 200.
- the function of controlling the movement of the mobile body 200 may include, for example, the function of controlling the movement direction of the mobile body 200.
- the function of controlling the movement of the mobile body 200 may include the function of controlling the attitude of the mobile body 200.
- the moving body 200 may have a function of controlling the angle of the photovoltaic panel 250.
- the moving object 200 may, for example, generate a moving object control signal that controls the moving object 200, and control at least one of the movement of the moving object 200 and the angle of the photovoltaic panel 250 in accordance with the generated moving object control signal.
- mobile body 200 may be an autonomous mobile body.
- the mobile body 200 may control at least one of the movement of the mobile body 200 and the angle of the photovoltaic panel 250 in accordance with a mobile body control signal received via the network 20 from a mobile body management device that manages the mobile body 200. .
- the moving body 200 may control at least one of the movement of the moving body 200 and the angle of the photovoltaic panel 250 so that the photovoltaic panel 250 more efficiently receives the laser light from the laser device 100.
- the moving body 200 adjusts at least one of the movement of the moving body 200 and the angle of the photovoltaic panel 250 based on the position information of the moving body 200 and the installation position information of the laser device 100 received from the laser device 100. You can control it.
- the moving object 200 may control at least one of the movement of the moving object 200 and the angle of the photovoltaic panel 250 based on the moving speed information of the moving object 200.
- the moving body 200 may control at least one of the movement of the moving body 200 and the angle of the photovoltaic panel 250 based on the movement direction information of the moving body 200.
- the moving body 200 may control at least one of the movement of the moving body 200 and the angle of the photovoltaic panel 250 based on the posture information of the moving body 200.
- the laser device management device 300 may manage one or more laser devices 100.
- the laser device management device 300 may manage one laser device 100, for example, so that one laser device 100 wirelessly supplies power to one moving body 200.
- the laser device management device 300 manages one laser device 100 so that one laser device 100 wirelessly supplies power to a plurality of moving objects 200. You can manage it.
- the laser device management device 300 may manage the plurality of laser devices 100, for example, so that the plurality of laser devices 100 wirelessly supply power to one mobile object 200.
- the laser device management device 300 may manage the plurality of laser devices 100 so that the plurality of laser devices 100 wirelessly supply power to the plurality of moving bodies 200.
- the laser device management device 300 may manage wireless power supply by the laser device 100, for example. For example, the laser device management device 300 generates a laser light control signal based on the movement related information of the moving object 200 received from the laser device 100 via the network 20 and the captured image of the light from the moving object 200. You may do so. The laser device management device 300 may transmit the generated laser light control signal to the laser device 100 via the network 20. The laser device 100 may be wirelessly powered according to the laser light control signal received from the laser device management device 300.
- the laser device management device 300 may be installed on the ground, for example.
- the laser device management device 300 may be installed in a building, for example.
- the laser device management device 300 may be installed in a moving body.
- the laser device management device 300 may be installed at the same location as the laser device 100, for example.
- the laser device management device 300 may be installed at a different location from the laser device 100.
- the laser device 100 determines whether the laser beam is a light beam mounted on the moving object 200 based on the position information of the moving object 200 and a captured image of the light from the moving object 200.
- the laser light is controlled so that the power generation panel 250 is irradiated with the laser light. Since the laser device 100 can accurately grasp the position, size, and shape of the photovoltaic panel 250 from the position information of the moving body 200 and the captured image, it is possible to irradiate the photovoltaic panel 250 with more laser light.
- the laser device 100 can wirelessly supply power to the moving moving body 200 with high efficiency, and the solar power generation panel 250 can be irradiated with insufficient sunlight. Even in such a case, the time during which the mobile body 200 can continuously move can be extended.
- FIG. 2 schematically shows an example of the functional configuration of the laser device 100.
- the laser device 100 may include a storage section 102, an output section 104, a reception section 106, an imaging section 108, a bandpass filter 109, a control section 110, an environmental information acquisition section 112, and a transmission section 114. Note that it is not essential that the laser device 100 have all of these configurations.
- the storage unit 102 may store various information.
- the storage unit 102 may store installation position information of the laser device 100, for example.
- the storage unit 102 may store mobile body performance information indicating the performance of the mobile body 200.
- the mobile body performance information may include, for example, power generation panel number information indicating the number of photovoltaic panels 250 mounted on the mobile body 200.
- the mobile body performance information may include power generation performance information indicating the power generation performance of the photovoltaic panel 250 mounted on the mobile body 200.
- the moving object performance information may include, for example, panel shape information indicating the shape of the photovoltaic panel 250 mounted on the moving object 200.
- the mobile body performance information may include, for example, size information indicating the size of the photovoltaic panel 250 mounted on the mobile body 200.
- the mobile body performance information may include, for example, maximum capacity information indicating the maximum capacity of the battery mounted on the mobile body 200.
- the moving object performance information may include, for example, maximum moving speed information indicating the maximum moving speed of the moving object 200.
- the mobile body performance information may include, for example, mobile weight information indicating the weight of the mobile body 200.
- the mobile body performance information may include maximum transport weight information indicating the maximum weight of a transport target that the mobile body 200 can transport.
- the output unit 104 may output laser light.
- Laser device 100 may have multiple output units 104.
- the output unit 104 may be, for example, a solid-state laser.
- the solid-state laser may be, for example, a fiber laser that uses an optical fiber as an amplification medium.
- the output unit 104 may be, for example, a semiconductor laser.
- the output unit 104 may be, for example, a gas laser.
- the output unit 104 may be a liquid laser.
- the output unit 104 may output a laser beam with a wavelength in the infrared region, for example.
- the output unit 104 uses a so-called "atmospheric wavelength region" in which the transmittance of atmospheric light is high, in order to prevent the laser light from being attenuated by the atmosphere. It is possible to output laser light in the wavelength range of ⁇ window''.
- the output unit 104 may output a laser beam having a wavelength of 1070 nm ⁇ 100 nm, for example.
- the output unit 104 may output a laser beam having a wavelength of 1070 nm, for example.
- the output unit 104 may output a laser beam having a wavelength in the visible range, for example.
- the output unit 104 may include one or more optical elements that constitute an optical system for laser light.
- the optical element may be, for example, a homogenizer that converts a Gaussian beam of laser light into a top hat beam of laser light.
- the optical element may be, for example, a beam shaper.
- the optical element may be, for example, a diffraction grating. Note that the optical element is not limited to the above example.
- the optical element may be configured as long as it can configure an optical system for laser light, and may be configured using conventionally known optical techniques such as a mirror including a deformable mirror, a prism, a transmission type element, a reflection type element, and the like.
- the receiving unit 106 may receive various information from an external device.
- the receiving unit 106 may store various information received from an external device in the storage unit 102.
- the receiving unit 106 may receive various information from the mobile object 200, for example.
- the receiving unit 106 may receive various information from the moving object 200, for example, via wireless communication between the laser device 100 and the moving object 200.
- the receiving unit 106 may receive various information from the mobile object 200 via the network 20.
- the receiving unit 106 may receive movement-related information of the mobile body 200 from the mobile body 200, for example.
- the movement related information of the mobile body 200 may include, for example, position information of the mobile body 200.
- the movement related information of the mobile body 200 may include movement speed information of the mobile body 200.
- the movement related information of the mobile body 200 may include, for example, movement direction information of the mobile body 200.
- the movement related information of the moving body 200 may include posture information of the moving body 200.
- the receiving unit 106 may receive, for example, power generation amount information of the photovoltaic panel 250 mounted on the moving body 200 from the moving body 200.
- the receiving unit 106 may receive, for example, from the moving object 200, battery remaining amount information of a battery mounted on the moving object 200.
- the receiving unit 106 may receive, for example, requested power feeding amount information from the moving body 200 indicating the amount of power feeding that the moving body 200 requests from the laser device 100 .
- the receiving unit 106 may receive mobile performance information of the mobile body 200 from the mobile body 200, for example.
- the receiving unit 106 may receive, from the moving body 200, conveyance target weight information indicating the total weight of the conveyance targets carried by the mobile body 200.
- the receiving unit 106 may receive environmental information around the mobile body 200 from the mobile body 200.
- the environment information around the mobile body 200 may include, for example, weather information indicating the weather around the mobile body 200.
- the weather information around the mobile body 200 may include, for example, radiant intensity information indicating the radiant intensity of sunlight around the mobile body 200.
- the weather information around the mobile body 200 may include, for example, cloud amount information indicating the amount of clouds around the mobile body 200.
- the weather information around the mobile body 200 may include, for example, rainfall amount information indicating the amount of rainfall around the mobile body 200.
- the weather information around the mobile body 200 may include, for example, snowfall amount information indicating the amount of snowfall around the mobile body 200.
- the weather information around the moving body 200 may include, for example, wind speed information indicating the wind speed around the moving body 200.
- the weather information around the mobile body 200 may include, for example, wind direction information indicating the wind direction around the mobile body 200.
- the weather information around the mobile body 200 may include, for example, temperature information indicating the temperature around the mobile body 200.
- the weather information around the mobile body 200 may include, for example, humidity information indicating the humidity around the mobile body 200.
- the weather information around the mobile body 200 may include atmospheric pressure information indicating the atmospheric pressure around the mobile body 200.
- the environment information around the moving body 200 may include object information indicating objects existing around the moving body 200.
- the objects that exist around the moving body 200 may be, for example, moving bodies such as flying bodies, artificial satellites, vehicles, and ships.
- the objects that exist around the moving body 200 may be, for example, animals such as birds.
- the objects that exist around the moving body 200 may be people.
- the object information about objects existing around the moving body 200 may include, for example, information indicating the positions of objects existing around the moving body 200.
- the object information about objects existing around the moving body 200 may include information indicating the size of objects existing around the moving body 200, for example.
- the object information about objects existing around the moving body 200 may include information indicating the types of objects existing around the moving body 200.
- the receiving unit 106 may receive various information from the mobile body management device of the mobile body 200 via the network 20, for example.
- the receiving unit 106 may receive information similar to the information received from the mobile object 200 from the mobile object management device.
- the receiving unit 106 may receive environmental information around the mobile object 200 via the network 20 from an environmental information management device that manages environmental information.
- the receiving unit 106 receives, via the network 20, operation plan information indicating an operation plan for a mobile object, from an operation plan management device that manages an operation plan for a mobile object such as an aircraft, an artificial satellite, a vehicle, or a ship. Good too.
- the imaging unit 108 may image the light from the moving body 200.
- the imaging unit 108 may, for example, image light emitted by a light source installed at a position corresponding to the photovoltaic panel 250 mounted on the moving body 200.
- the imaging unit 108 may, for example, image light emitted from a plurality of light sources installed at positions corresponding to the photovoltaic panel 250.
- a corner mirror may be further installed at a position corresponding to the photovoltaic panel 250.
- the light source may be, for example, an LED (Light Emitting Diode) lamp.
- the light source may be any other light source.
- the position corresponding to the photovoltaic panel 250 may be, for example, the center of the photovoltaic panel 250.
- the location corresponding to the photovoltaic panel 250 may be around the photovoltaic panel 250.
- the imaging unit 108 may image the laser light from the output unit 104 reflected by a reflecting plate installed around the photovoltaic panel 250.
- a reflecting plate may be installed around the photovoltaic panel 250 in order to protect the moving body 200 from heat caused by irradiating the body of the moving body 200 with the laser light from the output unit 104.
- the imaging unit 108 may zoom and image the moving body 200.
- the imaging unit 108 may, for example, zoom in and take an image of the photovoltaic panel 250.
- the imaging unit 108 may zoom and image the moving body 200 and the photovoltaic panel 250 using, for example, a telephoto lens.
- the imaging unit 108 may be, for example, an optical camera.
- the imaging unit 108 may be, for example, a visible light camera.
- the imaging unit 108 may be an infrared camera. In this case, the imaging unit 108 may image the infrared light caused by the temperature rise of the irradiated region irradiated with the laser light from the output unit 104.
- the irradiated site may be, for example, the photovoltaic panel 250.
- the irradiated area may be, for example, a corner mirror.
- the irradiated site may be a reflecting plate.
- the bandpass filter 109 may pass only a wavelength band within a predetermined range.
- the bandpass filter 109 may pass only a wavelength band within a predetermined range including the wavelength of the laser beam outputted by the output unit 104.
- the imaging unit 108 may image the light that has passed through the bandpass filter 109.
- a captured image obtained by capturing only the light that has passed through the band-pass filter 109 makes it easy to discover the moving body 200 that is irradiated with the laser light that has passed through the band-pass filter 109.
- the bandpass filter 109 may further pass the light emitted by the light source installed at the position corresponding to the photovoltaic panel 250.
- the control unit 110 may control the laser light output by the output unit 104.
- the control unit 110 may control the laser beam by controlling the output unit 104, for example.
- the control unit 110 may control the laser beam by, for example, controlling one or more optical elements included in the output unit 104.
- the control unit 110 may control the output of the laser light so that the photovoltaic panel 250 is irradiated with more laser light.
- the control unit 110 may, for example, generate a laser light control signal and control the laser light according to the generated laser light control signal.
- the control unit 110 may control the laser light according to the laser light control signal that the receiving unit 106 receives from the laser device management device 300 via the network 20.
- the laser light control signal may include, for example, an irradiation direction control signal that controls the irradiation direction of the laser light.
- the laser light control signal may include, for example, a shape control signal that controls the shape of the laser light.
- the laser light control signal may include, for example, an intensity distribution control signal that controls the intensity distribution of the laser light.
- the laser light control signal may include, for example, a beam diameter control signal that controls the beam diameter of the laser light.
- the laser light control signal may include a wavefront control signal that controls the wavefront of the laser light.
- the laser light control signal may include, for example, an output power control signal that controls the output power of the laser light.
- the laser light control signal may include a timing control signal that controls the timing of outputting the laser light.
- control unit 110 uses the position of the moving body 200 indicated by the position information of the moving body 200 included in the movement-related information of the moving body 200 received by the receiving unit 106 and the captured image captured by the imaging unit 108. Based on this, the laser light may be controlled. For example, the control unit 110 analyzes a captured image captured by the imaging unit 108 of an area including the position of the mobile body 200 so that the photovoltaic panel 250 mounted on the mobile body 200 is irradiated with laser light.
- the laser light may be controlled to For example, before causing the output unit 104 to output laser light, the control unit 110 transmits an instruction to start emitting light from a light source installed at a position corresponding to the photovoltaic panel 250 to the moving body 200, and The light source may start emitting light. Next, the control unit 110 specifies the position of the photovoltaic panel 250 by analyzing the captured image captured by the imaging unit 108 of the area including the position of the moving body 200 and specifying the position of the light source. good. After that, the control unit 110 may cause the output unit 104 to output a laser beam so that the photovoltaic panel 250 whose position has been identified is irradiated with the laser beam.
- the control unit 110 may identify the position of the photovoltaic panel 250 from the reflected light from the corner mirror or the reflector. After the output unit 104 starts outputting the laser light, the control unit 110 may transmit an instruction to end the light emission of the light source to the moving object 200, and cause the moving object 200 to end the emission of light from the light source.
- the control unit 110 may control the laser beam, for example, further based on the installation position of the laser device 100 indicated by the installation position information of the laser device 100 stored in the storage unit 102.
- the control unit 110 may, for example, control the irradiation direction of the laser light.
- the control unit 110 may control the irradiation direction of the laser beam so that the distance between the center of the laser beam and the center of the photovoltaic panel 250 becomes shorter.
- the control unit 110 may control the irradiation direction of the laser beam so that the center of the laser beam coincides with the center of the photovoltaic panel 250.
- the control unit 110 may control the irradiation direction of the laser beam, for example, by analyzing the captured image of the photovoltaic panel 250 taken by the imaging unit 108 and specifying the center position of the photovoltaic panel 250.
- the control unit 110 may control the irradiation direction of the laser beam using, for example, a gimbal.
- the control unit 110 may control the irradiation direction of the laser beam by controlling optical elements such as mirrors and prisms included in the output unit 104.
- the control unit 110 may control the shape of the laser beam, for example.
- the control unit 110 may control the shape of the laser beam so that it becomes circular, for example.
- the control unit 110 may control the shape of the laser beam so that it becomes an ellipse, for example.
- the control unit 110 may be able to control the aspect ratio and orientation of the ellipse, for example.
- the control unit 110 may control the shape of the laser beam so that it becomes rectangular, for example.
- the control unit 110 may be able to control the aspect ratio and orientation of the rectangle, for example.
- the control unit 110 may control the shape of the laser beam so that it becomes a square, for example.
- the control unit 110 may be able to control the orientation of the square.
- control unit 110 may control the shape of the laser beam so that the shape error between the shape of the laser beam and the shape of the photovoltaic panel 250 becomes smaller.
- control unit 110 may control the shape of the laser beam so that the shape of the laser beam matches the shape of the photovoltaic panel 250.
- the control unit 110 may control the intensity distribution of the laser beam, for example.
- the control unit 110 may control the intensity distribution of the laser beam so that the intensity distribution of the laser beam becomes more uniform on the photovoltaic panel 250.
- the control unit 110 may, for example, control the beam diameter of the laser light.
- the control unit 110 may control the beam diameter of the laser beam so that the ratio of the size of the laser beam to the size of the photovoltaic panel 250 becomes a predetermined ratio.
- the predetermined ratio may be, for example, 1.1.
- control unit 110 analyzes the captured image of the photovoltaic panel 250 taken by the imaging unit 108, thereby determining the shape of the photovoltaic panel 250, the size of the photovoltaic panel 250, and the laser beam for the size of the photovoltaic panel 250. At least one of the size proportions of the light may be specified.
- the control unit 110 controls the photovoltaic panel based on the moving body performance information of the moving body 200 stored in the storage unit 102 and the installation position information of the laser device 100 and the position information of the moving body 200 received by the receiving unit 106. At least one of the shape of the photovoltaic panel 250, the size of the photovoltaic panel 250, and the ratio of the size of the laser beam to the size of the photovoltaic panel 250 may be specified.
- the control unit 110 may control the output unit 104 so that the power generated by the photovoltaic panel 250 that receives the laser beam is maximized.
- the control unit 110 may control one or more optical elements included in the output unit 104 so that the power generated by the photovoltaic panel 250 that receives the laser beam is maximized.
- the control unit 110 controls the shape and intensity distribution of the laser beam so that the power generated by the photovoltaic panel 250 that receives the laser beam is maximized by controlling an optical element such as a beam shaper. , and at least one of the beam diameter may be controlled.
- the control unit 110 may control the wavefront of the laser beam, for example.
- the control unit 110 may control the wavefront of the laser beam, for example, by controlling an optical element such as a deformable mirror included in the output unit 104.
- the control unit 110 controls the output unit 104 to control the deformable mirror included in the output unit 104 in order to reduce the influence of scintillation that occurs in the laser beam at random times and positions due to atmospheric fluctuations in the propagation path of the laser beam.
- the wavefront of the laser beam may be controlled by controlling optical elements such as the following.
- the control unit 110 may control the wavefront of the laser beam, for example, based on the amount of power generated by the photovoltaic panel 250 indicated by the amount of power generation information received by the receiving unit 106.
- the control unit 110 may control the output power of the laser beam, for example.
- the control unit 110 controls the output power of the laser beam based on the power feeding amount that the moving body 200 requests from the laser device 100, which is indicated by the requested power feeding amount information of the moving body 200 received by the receiving unit 106. good.
- the control unit 110 controls the output power of the laser beam based on the remaining battery level of the battery mounted on the moving body 200, which is indicated by the remaining battery capacity information of the moving body 200 received by the receiving unit 106. good.
- the control unit 110 may control the output power of the laser beam based on the moving body performance information stored in the storage unit 102.
- the control unit 110 determines the moving speed of the moving body 200 indicated by the moving speed information of the moving body 200 included in the movement related information of the moving body 200 received by the receiving unit 106 and the movement indicated by the moving direction information of the moving body 200. Further based on the direction of movement of the body 200, the laser light output by the output unit 104 may be controlled so that it tracks the photovoltaic panel 250. For example, the control unit 110 may control the laser beam so that the center of the laser beam tracks the center of the photovoltaic panel 250. The control unit 110 predicts the position of the moving body 200 after a predetermined period of time based on the position of the moving body 200, the moving speed of the moving body 200, and the moving direction of the moving body 200. , the laser light may be controlled such that the laser light tracks the photovoltaic panel 250.
- the control unit 110 determines a target ratio of the size of the laser beam to the size of the photovoltaic panel 250 based on the tracking result of the laser beam tracking the photovoltaic panel 250, and determines the target ratio of the size of the laser beam to the size of the photovoltaic panel 250.
- the beam diameter of the laser beam may be controlled so that the ratio of the size of the laser beam becomes the determined target ratio.
- the control unit 110 may determine the target ratio so that the size of the laser beam covers the entire photovoltaic panel 250.
- the control unit 110 may determine the target ratio so that the size of the laser beam covers the entire photovoltaic panel 250 and the size of the laser beam becomes smaller.
- the control unit 110 may determine the size of the laser beam relative to the size of the photovoltaic panel 250, for example, within a range in which the size of the laser beam is larger than the size of the photovoltaic panel 250.
- control unit 110 determines the distance between the center of the laser beam and the center of the photovoltaic panel 250 based on the tracking result of the laser beam tracking the photovoltaic panel 250, and controls the photovoltaic power generation according to the determined distance.
- a target ratio of the size of the laser beam to the size of the panel 250 may be determined.
- the control unit 110 controls the size of the photovoltaic panel 250 when the distance between the center of the laser beam and the center of the photovoltaic panel 250 is shorter than a predetermined distance threshold for a predetermined period. It may be decided to reduce the target percentage of the size of the laser beam.
- control unit 110 may decide to reduce the target ratio of the size of the laser beam to the size of the photovoltaic panel 250 from 1.1 to 1.05. For example, when the distance between the center of the laser beam and the center of the photovoltaic panel 250 is longer than a predetermined distance threshold for a predetermined period, the control unit 110 controls the size of the photovoltaic panel 250. It may be decided to increase the target percentage of the size of the laser beam. For example, the control unit 110 may decide to increase the target ratio of the size of the laser beam to the size of the photovoltaic panel 250 from 1.1 to 1.2.
- the environmental information acquisition unit 112 may acquire environmental information around the mobile object 200.
- the environmental information acquisition unit 112 may acquire, for example, the environmental information around the mobile body 200 that the reception unit 106 has received.
- the environmental information acquisition unit 112 may acquire environmental information around the mobile object 200 by, for example, analyzing the captured image captured by the imaging unit 108.
- the environmental information acquisition unit 112 may acquire environmental information around the mobile object 200 using, for example, RADAR (Radio Detection and Ranging).
- the environmental information acquisition unit 112 may acquire environmental information around the mobile object 200 using LiDAR (Light Detection and Ranging).
- control unit 110 may control the laser light further based on the environmental information around the moving body 200 acquired by the environmental information acquisition unit 112.
- the control unit 110 may control the output power of the laser beam, for example, based on the radiation intensity of sunlight around the mobile body 200, which is indicated by the radiation intensity information included in the environmental information around the mobile body 200.
- the control unit 110 may control the output power of the laser beam such that, for example, the lower the radiation intensity of sunlight around the moving body 200, the stronger the output power of the laser beam.
- the control unit 110 controls the timing of outputting the laser light so that the laser light does not irradiate objects around the moving body 200, which are indicated by object information included in the environment information around the moving body 200. You can control it.
- the control unit 110 may control the timing of outputting the laser beam so that objects existing around the path of the laser beam are not irradiated.
- the area around the path of the laser beam may be a region within a predetermined range from the path of the laser beam.
- the control unit 110 may control the timing of outputting the laser light so that the laser light does not irradiate an object that is present in front of the moving body 200.
- control unit 110 may control the timing of outputting the laser light so that an object between the laser device 100 and the moving object 200 is not irradiated. Controlling the timing of outputting laser light includes stopping irradiation of laser light for a predetermined period. Further, the control unit 110 controls the beam diameter of the laser beam so that the size of the laser beam is smaller than the size of the photovoltaic panel 250 by a predetermined percentage when an object exists behind the moving body 200. You may. For example, the control unit 110 may control the beam diameter of the laser beam so that the ratio of the size of the laser beam to the size of the photovoltaic panel 250 is 0.85. According to these, the possibility of an unexpected accident occurring due to irradiation of the moving body 200 with laser light can be reduced.
- the front of the moving body 200 is an area in the direction toward the laser device 100 that irradiates the moving body 200 with laser light when viewed from the position of the moving body 200
- the rear of the moving body 200 is the area facing the moving body 200. This is an area in the opposite direction to the direction toward the laser device 100 that irradiates the moving body 200 with laser light when viewed from the position.
- control unit 110 may control the laser light further based on the flight plan information received by the reception unit 106.
- control unit 110 may control the timing of outputting the laser light so that the laser light does not irradiate other moving bodies that move around the moving body 200 according to the flight plan indicated by the flight plan information.
- the control unit 110 may, for example, control the timing of outputting the laser light so that the laser light does not irradiate other moving bodies that move around the path of the laser light according to the flight plan.
- the control unit 110 may, for example, control the timing of outputting the laser light so that the laser light does not irradiate other moving objects moving in front of the moving object 200 according to the flight plan.
- the control unit 110 may, for example, control the timing of outputting the laser light so that the laser light does not irradiate other moving objects existing between the laser device 100 and the moving object 200 according to the flight plan.
- the control unit 110 controls the laser beam so that the size of the laser beam is smaller than the size of the photovoltaic panel 250 by a predetermined percentage when there is another moving object behind the moving object 200 that moves according to the flight plan.
- the beam diameter of the light may be controlled.
- the transmitter 114 may transmit various information to an external device.
- the transmitter 114 may transmit various information to the mobile object 200, for example.
- the transmitter 114 may transmit various information to the mobile body 200 via wireless communication between the laser device 100 and the mobile body 200, for example.
- the transmitter 114 may transmit various information to the mobile object 200 via the network 20.
- the transmitter 114 may transmit installation position information of the laser device 100 to the moving body 200, for example.
- the transmitter 114 may transmit various information to the laser device management device 300 via the network 20, for example.
- the transmitter 114 may transmit various information received by the receiver 106 to the laser device management device 300, for example.
- the transmitter 114 may transmit the tracking result of the laser light tracking the photovoltaic panel 250 to the laser device management device 300.
- the transmitting unit 114 may transmit the environmental information around the moving body 200 that the environmental information acquiring unit 112 has acquired to the laser device management device 300.
- FIG. 3 schematically shows an example of a photovoltaic panel 250.
- a light source 260 is installed at the center of the photovoltaic panel 250 in FIG.
- FIG. 3 shows a state in which the laser beam 150 at the center 155 is irradiated onto the photovoltaic panel 250.
- FIG. 4 schematically shows an example of a captured image.
- the captured image in FIG. 4 is a captured image of the photovoltaic panel 250 in the state shown in FIG. 3.
- the captured image in FIG. 4 may be, for example, a captured image that includes reflected light that is a part of the laser light 150 received by the photovoltaic panel 250 that has passed through the band-pass filter 109 and light emitted by the light source 260.
- the brightness of the captured image in FIG. 4 increases in the following order: the brightness of the light emitting area of the light emitted by the light source 260, the brightness of the reflected light area of the reflected light from the photovoltaic panel 250 that reflects the laser beam 150, and the brightness of the other areas. Become.
- the control unit 110 may identify the center position of the photovoltaic panel 250 by analyzing the captured image of FIG. 4 and identifying the position of the light emitting region of the light emitted by the light source 260.
- the control unit 110 may control the irradiation direction of the laser beam 150 so that the distance between the center 155 of the laser beam 150 and the identified center of the photovoltaic panel 250 becomes shorter.
- the laser device 100 emits light from a light source 260 installed at the center of the photovoltaic panel 250, which serves as a marker for the center of the photovoltaic panel 250.
- the position of the light is specified, and the irradiation direction of the laser beam 150 is controlled so that the distance between the center 155 of the laser beam 150 and the specified center of the photovoltaic panel 250 becomes shorter.
- the laser device 100 can further reduce the loss of the laser beam 150 due to the photovoltaic panel 250 not being irradiated with the laser beam 150.
- FIG. 5 schematically shows another example of the photovoltaic panel 250.
- a reflective plate 270 is installed around the photovoltaic panel 250 in FIG.
- FIG. 5 shows a state in which the laser beam 150 at the center 155 is irradiated onto the photovoltaic panel 250 and the reflecting plate 270.
- FIG. 6 schematically shows another example of the captured image.
- the captured image in FIG. 6 is a captured image of the photovoltaic panel 250 in the state shown in FIG. 5.
- the captured image in FIG. 6 includes, for example, reflected light that is a part of the laser light 150 received by the photovoltaic panel 250 that has passed through the band-pass filter 109 and reflected light that is reflected by the reflector plate 270. It may be a captured image.
- the brightness of the captured image in FIG. 6 includes the brightness of the reflected light area of the reflected light from the laser beam 150 reflected by the reflecting plate 270, the brightness of the reflected light area of the reflected light of the laser beam 150 reflected by the photovoltaic panel 250, and the other brightness. The brightness of the area increases in the order of .
- the control unit 110 may control the irradiation direction of the laser beam 150 so that the distance between the center 155 of the laser beam 150 and the center of the photovoltaic panel 250 becomes shorter.
- the control unit 110 controls the irradiation direction of the laser beam 150 based on the reflected light area of the reflected light that is reflected by the reflecting plate 270, which is identified by image analysis of the captured image in FIG. 6. good.
- the control unit 110 may control the irradiation direction of the laser beam 150 so that the width of the reflected light region becomes more uniform.
- control unit 110 specifies the largest maximum width w max and the smallest minimum width w min of the reflected light area, and determines that w min increases by (w max - w min ) ⁇ 2.
- the irradiation direction of the laser beam 150 may be controlled as follows.
- the laser device 100 uses the reflected light from the laser beam 150 reflected by the reflector plate 270, which serves as a mark for determining the irradiation direction of the laser beam 150.
- the irradiation direction of the laser beam 150 is controlled so that the distance between the center 155 of the laser beam 150 and the center of the photovoltaic panel 250 becomes shorter.
- the laser device 100 can further reduce the loss of the laser beam 150 due to the photovoltaic panel 250 not being irradiated with the laser beam 150.
- FIG. 7 is an explanatory diagram for explaining an example of the processing flow of the laser device 100.
- a state in which the laser device 100 irradiates the moving object 200 with laser light 150 will be described as a starting state.
- step (step may be abbreviated as S) 102 the environmental information acquisition unit 112 may acquire environmental information around the mobile object 200.
- the control unit 110 may determine whether an object exists around the mobile body 200 based on the environmental information around the mobile body 200 acquired by the environmental information acquisition unit 112 in S102. If the control unit 110 determines that an object exists around the moving body 200, the process may proceed to S106. If the control unit 110 determines that there is no object around the moving body 200, the process may proceed to S114.
- control unit 110 may determine whether an object exists behind the moving body 200 based on the environmental information around the moving body 200 acquired by the environmental information acquisition unit 112 in S102. If the control unit 110 determines that the object exists behind the moving body 200, the process may proceed to S108. If the control unit 110 determines that the object exists other than behind the moving body 200, the process may proceed to S112.
- the control unit 110 may determine whether the size of the laser beam 150 is larger than the size of the photovoltaic panel 250. If the control unit 110 determines that the size of the laser beam 150 is larger than the size of the photovoltaic panel 250, the process may proceed to S110. If the control unit 110 determines that the size of the laser beam 150 is smaller than the size of the photovoltaic panel 250, the process of controlling the laser beam 150 based on the environmental information may end.
- control unit 110 may control the beam diameter of the laser beam so that the size of the laser beam 150 is smaller than the size of the photovoltaic panel 250 by a predetermined ratio. After that, the process of controlling the laser beam 150 based on the environmental information may end.
- control unit 110 may stop outputting the laser beam 150 so that objects around the moving body 200 are not irradiated with the laser beam 150 . After that, the process of controlling the laser beam 150 based on the environmental information may end.
- the control unit 110 may determine whether the size of the laser beam 150 is smaller than the size of the photovoltaic panel 250. If the control unit 110 determines that the size of the laser beam 150 is smaller than the size of the photovoltaic panel 250, the process may proceed to S116. If the control unit 110 determines that the size of the laser beam 150 is larger than the size of the photovoltaic panel 250, the process of controlling the laser beam 150 based on the environmental information may end.
- control unit 110 may control the beam diameter of the laser beam so that the size of the laser beam 150 is larger than the size of the photovoltaic panel 250 by a predetermined ratio. After that, the process of controlling the laser beam 150 based on the environmental information may end.
- FIG. 8 schematically shows an example of the hardware configuration of a computer 1200 that functions as the laser device 100.
- the program installed on the computer 1200 causes the computer 1200 to function as one or more "parts" of the apparatus according to the above embodiment, or causes the computer 1200 to perform operations associated with the apparatus according to the above embodiment or the one or more "parts" of the apparatus according to the above embodiment.
- Multiple units may be executed and/or the computer 1200 may execute a process or a step of a process according to the embodiments described above.
- Such programs may be executed by CPU 1212 to cause computer 1200 to perform certain operations associated with some or all of the blocks in the flowcharts and block diagrams described herein.
- Computer 1200 includes a CPU 1212, RAM 1214, and graphics controller 1216, which may be interconnected by a host controller 1210.
- Computer 1200 also includes input/output units such as a communication interface 1222, a storage device 1224, a DVD drive 1226, and an IC card drive, which may be connected to host controller 1210 via input/output controller 1220.
- DVD drive 1226 may be a DVD-ROM drive, a DVD-RAM drive, or the like.
- Storage device 1224 may be a hard disk drive, solid state drive, or the like.
- Computer 1200 also includes legacy input/output units, such as ROM 1230 and keyboard 1242, which may be connected to input/output controller 1220 via input/output chip 1240.
- the CPU 1212 may operate according to programs stored in the ROM 1230 and RAM 1214, thereby controlling each unit.
- Graphics controller 1216 may obtain image data generated by CPU 1212, such as in a frame buffer provided in RAM 1214 or itself, and cause the image data to be displayed on display device 1218.
- Communication interface 1222 may communicate with other electronic devices via a network.
- Storage device 1224 may store programs and data used by CPU 1212 within computer 1200.
- the DVD drive 1226 may read a program or data from a DVD-ROM 1227 or the like and provide it to the storage device 1224.
- the IC card drive may read programs and data from and/or write programs and data to the IC card.
- ROM 1230 may store therein programs that are dependent on the computer 1200 hardware, such as a boot program that is executed by the computer 1200 upon activation.
- I/O chip 1240 may also connect various I/O units to I/O controller 1220 via USB ports, parallel ports, serial ports, keyboard ports, mouse ports, etc.
- the program may be provided by a computer readable storage medium such as a DVD-ROM 1227 or an IC card.
- the program may be read from a computer-readable storage medium, installed in storage device 1224, RAM 1214, or ROM 1230, which are also examples of computer-readable storage media, and executed by CPU 1212.
- the information processing described within these programs may be read by computer 1200, resulting in coordination between the programs and the various types of hardware resources described above.
- An apparatus or method may be configured to implement the operation or processing of information according to the use of computer 1200.
- the CPU 1212 executes a communication program loaded into the RAM 1214 and sends communication processing to the communication interface 1222 based on the processing written in the communication program. You may give orders.
- the communication interface 1222 reads transmission data stored in a transmission buffer area provided in a recording medium such as a RAM 1214, a storage device 1224, a DVD-ROM 1227, or an IC card under the control of the CPU 1212, and transmits the read transmission data. Data may be sent to the network, or received data received from the network may be written to a receive buffer area provided on the recording medium or the like.
- the CPU 1212 causes the RAM 1214 to read all or a necessary part of a file or database stored in an external recording medium such as a storage device 1224, a DVD drive 1226 (DVD-ROM 1227), or an IC card. Various types of processing may be performed on the data. CPU 1212 may then write the processed data back to an external storage medium.
- an external recording medium such as a storage device 1224, a DVD drive 1226 (DVD-ROM 1227), or an IC card.
- Various types of processing may be performed on the data.
- CPU 1212 may then write the processed data back to an external storage medium.
- CPU 1212 performs various types of operations, information processing, conditional determination, conditional branching, unconditional branching, and information retrieval on data read from RAM 1214 as described elsewhere in this disclosure and specified by the program's instruction sequence. Various types of processing may be performed, including /substitutions, etc., and the results may be written back to RAM 1214. Further, the CPU 1212 may search for information in a file in a recording medium, a database, or the like.
- the CPU 1212 selects the first entry from among the plurality of entries. Search for an entry whose attribute value matches the specified condition, read the attribute value of the second attribute stored in the entry, and then set the attribute value to the first attribute that satisfies the predetermined condition. An attribute value of the associated second attribute may be obtained.
- the programs or software modules described above may be stored in a computer-readable storage medium on or near computer 1200.
- a storage medium such as a hard disk or RAM provided in a server system connected to a dedicated communication network or the Internet can be used as a computer-readable storage medium, thereby allowing the program to be transferred to the computer 1200 via the network. You may provide it.
- Blocks in flowcharts and block diagrams in one embodiment may represent stages in a process in which an operation is performed or a "part" of a device responsible for performing the operation.
- Certain steps and units may be provided with dedicated circuitry, programmable circuitry provided with computer readable instructions stored on a computer readable storage medium, and/or provided with computer readable instructions stored on a computer readable storage medium. May be implemented by a processor.
- Dedicated circuitry may include digital and/or analog hardware circuits, and may include integrated circuits (ICs) and/or discrete circuits.
- Programmable circuits can perform AND, OR, EXCLUSIVE OR, NAND, NOR, and other logical operations, such as field programmable gate arrays (FPGAs), programmable logic arrays (PLAs), etc. , flip-flops, registers, and memory elements.
- a computer-readable storage medium may include any tangible device capable of storing instructions for execution by a suitable device such that a computer-readable storage medium with instructions stored therein may be illustrated in a flowchart or block diagram.
- a product will be provided that includes instructions that can be executed to create a means for performing specified operations.
- Examples of computer-readable storage media may include electronic storage media, magnetic storage media, optical storage media, electromagnetic storage media, semiconductor storage media, and the like. More specific examples of computer readable storage media include floppy disks, diskettes, hard disks, random access memory (RAM), read only memory (ROM), erasable programmable read only memory (EPROM or flash memory).
- EEPROM Electrically Erasable Programmable Read Only Memory
- SRAM Static Random Access Memory
- CD-ROM Compact Disk Read Only Memory
- DVD Digital Versatile Disk
- Blu-ray Disc Memory Stick
- integrated circuit cards and the like.
- Computer-readable instructions may include assembler instructions, instruction set architecture (ISA) instructions, machine instructions, machine-dependent instructions, microcode, firmware instructions, state configuration data, or instructions such as Smalltalk®, JAVA®, C++, etc. any source code or object code written in any combination of one or more programming languages, including object-oriented programming languages such as may include.
- ISA instruction set architecture
- the computer-readable instructions are for producing means for a processor of a general purpose computer, special purpose computer, or other programmable data processing device, or programmable circuit to perform the operations specified in the flowchart or block diagrams.
- a general purpose computer, special purpose computer, or other programmable data processor locally or over a local area network (LAN), wide area network (WAN), such as the Internet, to execute the computer readable instructions. It may be provided in a processor or programmable circuit of the device. Examples of processors may include computer processors, processing units, microprocessors, digital signal processors, controllers, microcontrollers, and the like.
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Abstract
Description
[先行技術文献]
[特許文献]
[特許文献1]特開2020-006916号公報
[特許文献2]特開2019-129678号公報
Claims (19)
- レーザ光を出力する出力部と、
移動体の位置を示す位置情報を受信する受信部と、
前記移動体からの光を撮像する撮像部と、
前記位置情報によって示される前記移動体の前記位置と、前記撮像部によって撮像された撮像画像とに基づいて、より多くの前記レーザ光が前記移動体に搭載された光発電パネルに照射されるように、前記レーザ光の出力を制御する制御部と
を備える、レーザ装置。 - 前記撮像部は、前記光発電パネルに対応する位置に設置された光源が発光した前記光を撮像する、請求項1に記載のレーザ装置。
- 前記撮像部は、前記光発電パネルの周囲に設置された反射板が前記レーザ光を反射した前記光を撮像する、請求項1又は2に記載のレーザ装置。
- 前記撮像部は、前記レーザ光の波長を含む予め定められた範囲の波長帯の光のみを通過させるバンドパスフィルタを通過した前記光を撮像する、請求項3に記載のレーザ装置。
- 前記制御部は、前記レーザ光の中心と前記光発電パネルの中心との間の距離がより短くなるように、前記レーザ光の照射方向を制御する、請求項1から4のいずれか一項に記載のレーザ装置。
- 前記制御部は、前記撮像画像を画像解析して前記光発電パネルの中心の位置を特定することによって、前記レーザ光の前記照射方向を制御する、請求項5に記載のレーザ装置。
- 前記制御部は、前記レーザ光の形状と前記光発電パネルの形状との間の形状誤差がより小さくなるように、前記レーザ光の前記形状を制御する、請求項1から6のいずれか一項に記載のレーザ装置。
- 前記制御部は、楕円形となるように前記レーザ光の前記形状を制御し、前記楕円形の縦横比及び向きは、前記制御部によって制御可能である、請求項7に記載のレーザ装置。
- 前記制御部は、前記レーザ光の強度分布が前記光発電パネルでより均一になるように、前記レーザ光の強度分布を制御する、請求項1から8のいずれか一項に記載のレーザ装置。
- 前記制御部は、前記レーザ光を受光した前記光発電パネルの発電電力が最大となるように、前記レーザ光の形状及び強度分布のうちの少なくともいずれかを制御する、請求項1から9のいずれか一項に記載のレーザ装置。
- 前記制御部は、前記光発電パネルのサイズに対する前記レーザ光のサイズの割合が予め定められた割合になるように、前記レーザ光のビーム径を制御する、請求項1から10のいずれか一項に記載のレーザ装置。
- 前記受信部は、前記移動体の移動速度を示す移動速度情報と、前記移動体の移動方向を示す移動方向情報とをさらに受信し、
前記制御部は、前記移動速度情報によって示される前記移動体の前記移動速度と、前記移動方向情報によって示される前記移動体の前記移動方向にさらに基づいて、前記レーザ光が前記光発電パネルを追跡するように、前記レーザ光の出力を制御する、
請求項1から11のいずれか一項に記載のレーザ装置。 - 前記制御部は、前記レーザ光が前記光発電パネルを追跡した追跡結果に基づいて、前記光発電パネルのサイズに対する前記レーザ光のサイズの目標割合を決定し、前記光発電パネルのサイズに対する前記レーザ光のサイズの割合が決定した前記目標割合になるように、前記レーザ光のビーム径を制御する、請求項12に記載のレーザ装置。
- 前記受信部は、前記移動体の周囲の環境を示す環境情報を受信し、
前記制御部は、前記環境情報にさらに基づいて、前記レーザ光の出力を制御する、
請求項1から13のいずれか一項に記載のレーザ装置。 - 前記制御部は、前記レーザ光が前記レーザ光の通り道の周辺に存在する物体に照射されないように、前記レーザ光を出力するタイミングを制御する、請求項14に記載のレーザ装置。
- 前記制御部は、前記移動体の後方に物体が存在する場合に、前記レーザ光のサイズが前記光発電パネルのサイズより予め定められた割合だけ小さくなるように、前記レーザ光のビーム径を制御する、請求項14に記載のレーザ装置。
- コンピュータを、請求項1から16のいずれか一項に記載のレーザ装置として機能させるためのプログラム。
- 請求項1から16のいずれか一項に記載のレーザ装置と、
前記移動体と
を備える、システム。 - コンピュータによって実行される方法であって、
移動体の位置を示す位置情報を受信する受信段階と、
前記移動体からの光を撮像する撮像段階と、
前記位置情報によって示される前記移動体の前記位置と、前記撮像段階で撮像された撮像画像とに基づいて、より多くのレーザ光が前記移動体に搭載された光発電パネルに照射されるように、前記レーザ光の出力を制御する制御段階と
を備える、方法。
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CN202380013657.9A CN117981197A (zh) | 2022-03-30 | 2023-03-30 | 激光装置、程序、系统以及方法 |
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JP2016171616A (ja) * | 2015-03-11 | 2016-09-23 | 日産自動車株式会社 | 移動体用光給電システム、移動体用光給電方法 |
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JP2019511407A (ja) * | 2015-12-29 | 2019-04-25 | フェイスブック,インク. | 無人航空機用遠隔供給電力 |
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JP2020006916A (ja) | 2018-07-12 | 2020-01-16 | 株式会社東芝 | 管理装置、無人飛行体、及びプログラム |
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JP2016171616A (ja) * | 2015-03-11 | 2016-09-23 | 日産自動車株式会社 | 移動体用光給電システム、移動体用光給電方法 |
US20180123403A1 (en) * | 2015-05-18 | 2018-05-03 | Lasermotive, Inc. | Locating power receivers |
JP2019511407A (ja) * | 2015-12-29 | 2019-04-25 | フェイスブック,インク. | 無人航空機用遠隔供給電力 |
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JP2020006916A (ja) | 2018-07-12 | 2020-01-16 | 株式会社東芝 | 管理装置、無人飛行体、及びプログラム |
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