WO2017065107A1 - 情報伝達装置 - Google Patents

情報伝達装置 Download PDF

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Publication number
WO2017065107A1
WO2017065107A1 PCT/JP2016/079929 JP2016079929W WO2017065107A1 WO 2017065107 A1 WO2017065107 A1 WO 2017065107A1 JP 2016079929 W JP2016079929 W JP 2016079929W WO 2017065107 A1 WO2017065107 A1 WO 2017065107A1
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WO
WIPO (PCT)
Prior art keywords
information transmission
image
moving body
transmission device
projection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2016/079929
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English (en)
French (fr)
Japanese (ja)
Inventor
和雄 市原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Prodrone Co Ltd
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Prodrone Co Ltd
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Filing date
Publication date
Application filed by Prodrone Co Ltd filed Critical Prodrone Co Ltd
Publication of WO2017065107A1 publication Critical patent/WO2017065107A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64C—AEROPLANES; HELICOPTERS
    • B64C27/00—Rotorcraft; Rotors peculiar thereto
    • B64C27/04—Helicopters
    • B64C27/08—Helicopters with two or more rotors
    • 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
    • B64D47/00—Equipment not otherwise provided for
    • B64D47/02—Arrangements or adaptations of signal or lighting devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
    • B64F3/00—Ground installations specially adapted for captive aircraft
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00—Type of UAV
    • B64U10/60—Tethered aircraft
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F19/00—Advertising or display means not otherwise provided for
    • G09F19/12—Advertising or display means not otherwise provided for using special optical effects
    • G09F19/18—Advertising or display means not otherwise provided for using special optical effects involving the use of optical projection means, e.g. projection of images on clouds
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F21/00—Mobile visual advertising
    • G09F21/06—Mobile visual advertising by aeroplanes, airships, balloons, or kites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U10/00—Type of UAV
    • B64U10/10—Rotorcrafts
    • B64U10/13—Flying platforms
    • B64U10/14—Flying platforms with four distinct rotor axes, e.g. quadcopters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
    • B64U2101/00—UAVs specially adapted for particular uses or applications
    • B64U2101/20—UAVs specially adapted for particular uses or applications for use as communications relays, e.g. high-altitude platforms
    • B64U2101/24—UAVs specially adapted for particular uses or applications for use as communications relays, e.g. high-altitude platforms for use as flying displays, e.g. advertising or billboards

Definitions

  • the present invention relates to an information transmission device, and more particularly to an information transmission device capable of projecting an image from a moving body to the outside.
  • Multicopter is a type of helicopter equipped with multiple rotors, and it flies while balancing the aircraft by adjusting the rotational speed of each rotor. Unlike a helicopter, a multicopter has a simple structure and is excellent in maintainability, and can be configured at a relatively low cost.
  • JP 2004-218254 A Japanese Patent Laying-Open No. 2015-132708
  • Patent Document 1 discloses a road surface projection device that notifies a driver of information by displaying an image with a laser beam on a road from a light projecting device installed on an upper portion of a support column.
  • the road surface projection device of Patent Document 1 Since the light projection device of the road surface projection device of Patent Document 1 is supported by a support, a work for fixing the support on the road is required at the time of installation. In addition, since the position of the light projecting device is also fixed by the column, the range in which the image can be projected is limited. Because of this property, the road surface projection device of Patent Document 1 is not suitable for temporary use, and it is also difficult to respond to sudden and easily changing demands such as evacuation guidance at the time of a disaster, for example. It is.
  • Patent Document 2 discloses a display device that displays an image on a rear window of an automobile that is a moving body and notifies information to a subsequent vehicle that travels immediately after.
  • the display device is intended to display information behind the host vehicle. For example, no information can be presented to a vehicle traveling ahead or side of the host vehicle.
  • the problem to be solved by the present invention is that an image can be projected from the moving body to the outside, and arbitrary information is widely and easily presented to those who travel around the moving body.
  • the object is to provide a possible information transmission device.
  • an information transmission apparatus includes a moving body, and a projection unit that is mounted on the moving body and optically projects an image from the moving body to the outside.
  • the content is information transmitted to the third party outside.
  • the moving body is a small unmanned aerial vehicle including a plurality of rotor blades and a control unit that controls flight by the plurality of rotor blades.
  • the information transmission device of the present invention is mainly intended to present information to humans. Therefore, it is desirable that an image can be projected while moving the moving body at a low speed or in a stopped state. Therefore, even in a small unmanned aerial vehicle, an airframe flying with a rotary wing is suitable as the moving body of the present invention. Furthermore, according to the present invention, it is possible to notify the people who are traveling under the small unmanned airplane in flight about the approach of the small unmanned airplane and the direction of movement of the small unmanned airplane, thereby prompting overhead attention.
  • the projection means can project laser graphics that is a diagram of the image drawn by laser light.
  • Projectors that project images and video using a lamp light source are low-cost and can project images with high presentation effects with rich color representation, while being affected by outside light such as outdoors. Under the receiving environment, the image cannot be displayed clearly.
  • the information transmission device of this configuration it is possible to display a line diagram relatively clearly using a laser beam having high coherence (coherence) in an environment in which the projector of such a lamp light source is not good. It becomes possible. Thereby, information can be more accurately transmitted to a third party even outdoors or in a bright indoor environment.
  • a human sensor is further provided, and the information transmission device projects an image by the projecting unit when detecting the entry of an object into a detection area of the human sensor.
  • the information transmission device is equipped with a human sensor, and by projecting an image only when there is a person in the vicinity of a small unmanned aerial vehicle, it is possible to present information efficiently while reducing the power consumed to project the image. It becomes. Further, for example, an image can be projected only when an information presentation effect is expected, such as when an image is projected only when there is a passerby whose walking speed is reduced in the detection area. Alternatively, it is possible to increase the appeal of information by projecting an image so as to follow a passerby.
  • the illuminance sensor is further provided, and when the intensity of the external light detected by the illuminance sensor is equal to or less than a predetermined threshold, the projection unit projects the image using a projector of a lamp light source, and the illuminance sensor The laser graphics may be projected when the intensity of external light detected in step S1 exceeds a predetermined threshold.
  • a power supply line is connected to the small unmanned airplane, and the small unmanned airplane can fly while receiving supply of power through the power supply line within a cable length of the power supply line. It is good.
  • the information transmission device of the present invention can be applied to applications that require continuous flight over a long period of time or applications where it is difficult to appropriately replace the battery.
  • the projection unit may project an image onto a projection plane that is a planar projection target in the vicinity of the moving body.
  • an image is projected from the moving body to the outside, and arbitrary information is widely and easily presented to a person who travels around the moving body. It becomes possible.
  • image refers to an image that conveys some information to the person who viewed the image using characters, figures, symbols, colors, etc., and may be drawn as a monochromatic diagram. It is a concept that includes.
  • FIG. 1 is a schematic diagram illustrating a state in which the information transmission device 91 according to the first embodiment of the present invention projects an advertisement on a road surface PS (projection surface).
  • the information transmission device 91 is mainly configured by a multicopter 100 (small unmanned aerial vehicle) having a plurality of rotors R (rotary wings) and a projector 200 (projection unit) mounted below the multicopter 100. ing.
  • the multicopter 100 in this embodiment is a quadcopter including four rotors R.
  • the number of rotors R of the multicopter 100 is not limited to four, but helicopters (two), tricopters (three), depending on required flight performance, reliability against failure, allowable cost, etc. You may make the structure of a hexacopter (6 groups) or an octocopter (8 groups).
  • the multicopter 100 is connected to the feeder line PL, and the multicopter 100 can fly while receiving supply of power through the feeder line PL within the range of the cable length of the feeder line PL. Has been.
  • the projector 200 is a device that projects an image from the multicopter 100 onto the road surface PS.
  • a general projector using a lamp light source such as a liquid crystal projector, a DLP (registered trademark) projector, or an LCOS projector can be used.
  • the projection unit of the present invention may be any unit that can optically project an image to the outside of the multicopter 100.
  • laser graphics hereinafter simply referred to as a diagram image drawn with laser light.
  • a laser projector capable of projecting “laser graphics”) can also be used.
  • the type of projection means it is necessary to appropriately select a method with a high presentation effect according to the environment (intensity of outside light, color of projection surface, indoor or outdoor, etc.) in which the information transmission apparatus of the present invention is used. .
  • FIG. 2 is a block diagram showing a functional configuration of the information transmission apparatus 91 according to the first embodiment.
  • the multicopter 100 mainly manages a plurality of rotors R (four in this embodiment) that generate lift by rotation of the blades 152, and the operation of each rotor R, and the attitude of the aircraft in the air.
  • a flight controller FC that controls the flight operation
  • a wireless transceiver 190 that performs wireless communication with the pilot (the pilot terminal 300)
  • a power supply unit 181 that supplies power to these.
  • the rotor R is composed of a motor 151 and a blade 152.
  • the motor 151 is an outer rotor type DC brushless motor, and the blade 152 is attached to its output shaft.
  • the flight controller FC includes a control device 110 that is a microcontroller, and the control device 110 includes a CPU 111 that is a central processing unit, a RAM / ROM 112 that is a storage device, and an ESC 153 (Electronic Speed Controller).
  • a PWM controller 113 that controls the rotation speed and rotation speed of 151 is provided.
  • the flight controller FC further includes a flight control sensor group 120 and a GPS receiver 140, which are connected to the control device 110.
  • the flight control sensor group 120 of the multicopter 100 in this embodiment includes at least an acceleration sensor, an angular velocity sensor (gyro sensor), an atmospheric pressure sensor (altitude sensor), and a geomagnetic sensor (electronic compass).
  • the RAM / ROM 112 of the control device 110 stores a flight control program FCP in which a flight control algorithm for controlling the attitude and flight operation of the multicopter 100 during flight is stored.
  • the flight control program FCP adjusts the rotation speed and rotation speed of each rotor R based on information acquired from the flight control sensor group 120 according to the instructions of the pilot, and causes the multicopter 100 to fly while correcting the disturbance of the posture.
  • the pilot of the multicopter 100 may be manually operated by a pilot using the propo (the pilot terminal 300), or parameters such as latitude / longitude, altitude, and flight route are registered in the flight control program FCP in advance. Alternatively, you may fly autonomously.
  • the multicopter 100 is set to fly at a predetermined position in the air by hovering the aircraft while automatically maintaining the latitude / longitude and altitude specified in advance after takeoff by the flight control program FCP. Has been.
  • the multicopter 100 includes a human sensor 160, and the human sensor 160 is connected to the control device 110 of the flight controller FC.
  • the detection area of the human sensor 160 extends in a substantially conical shape downward with the physical position of the human sensor 160 as a vertex.
  • the human sensor 160 in this embodiment is a pyroelectric infrared sensor, but human sensors usable in the present invention are not limited to this, and an object enters and exits a predetermined area near the multicopter 100.
  • Other sensors such as an ultrasonic sensor or a combination of an infrared sensor and an ultrasonic sensor can be used as long as they can be detected.
  • the projector 200 is connected to the control device 110 of the flight controller FC through a signal line, and its projection operation (projection start / stop, projection image setting, brightness, contrast, etc.) is controlled by an image projection program IPP described later.
  • the power of the projector 200 is supplied from the power supply unit 181 of the multicopter 100.
  • the projector 200 according to the present embodiment is directly fixed to the multicopter 100, for example, by supporting the projector 200 with an electric gimbal provided in the multicopter 100, the swing of the projected image is suppressed and the projection direction is more flexible. It can also be configured to be changeable.
  • the image projection program IPP is registered in the RAM / ROM 112 of the control device 110.
  • the image projection program IPP receives the output and operates the projector 200 to project a predetermined image on the road surface PS.
  • the multicopter 100 includes the human sensor 160, and the image is projected onto the road surface PS only when there is a person in the vicinity of the multicopter 100, thereby reducing the power consumed for the projection. It is possible to present information to passers-by efficiently. Further, depending on the performance of the human sensor 160, the condition branching in the processing of the image projection program IPP is further subdivided, and for example, an image is projected only when there is a passerby whose walking speed is reduced in the detection area of the human sensor 160. For example, an image may be projected onto the road surface PS only when an information presentation effect is expected. Or the aspect which raises the appeal power of an advertisement by projecting an image so that a passerby is chased can be considered.
  • the multicopter 100 of the present embodiment is flying by wired power feeding, there is substantially no restriction on the flight time, and there is a little outside light, for example, outdoors. In this case, it is also possible to project an image of the maximum lumen from the projector 200 continuously for a long time. It should be noted that flying by wired power feeding is not an essential component of the present invention, and when flying (projecting) for a short time, when there is no trouble in frequently replacing the battery, or the flightable area may be limited. If not allowed, the multicopter 100 may be operated by a battery.
  • the control device 110 of the flight controller FC also serves as the control function of the projector 200 in order to simplify the configuration of the airframe.
  • the control device dedicated to the projector 200 is included in the multicopter 100.
  • the projector 200 itself includes a control device (image projection program IPP) and a human sensor 160 so that the flight control of the multicopter 100 and the projection control of the image by the projector 200 are independent from each other. It is also possible to do.
  • the information transmission device 91 is a multicopter 100 in which a moving body can fly in the air, so that a place where a car or a person is busy, a narrow place, a bad road surface, etc. It is possible to project an image without being affected by environmental factors on the ground. In addition, by making it possible to project an image from the multicopter 100, which is a moving body, to the outside, it is possible to flexibly determine and change the projection position of the image, and construction for installing the projector 200 Since it is unnecessary, it can respond quickly and flexibly to unexpected demand.
  • the information transmission device 91 in the present embodiment projects an image (information) from the sky onto the road surface PS, but the projection target of the image is not limited to the road surface, and the gaze of the passerby is attracted by the projection. As long as it is a place to be used, for example, it may be a wall surface or a ceiling.
  • FIG. 3 is a schematic diagram illustrating a state in which the information transmission device 92 according to the second embodiment projects an image on the road surface PS (projection surface), and
  • FIG. 4 is a block diagram illustrating a functional configuration of the information transmission device 92. is there.
  • components having the same or the same functions as those of the previous embodiment are denoted by the same reference numerals as those of the previous embodiment, and detailed description thereof is omitted.
  • the multicopter 100 of the present embodiment is not intended to present information itself by projecting an image, but is capable of transporting articles and guarding facilities. The main purpose.
  • the information transmission device 92 in FIG. 3 shows a situation in which a passerby walking along the traveling direction side of the information transmission device 92 is notified of his approach and urges attention to overhead.
  • the detection area of the human sensor 160 provided in the information transmission device 92 of the present embodiment and
  • the projection direction of the projector 200 is directed obliquely downward toward the nose side (traveling direction side) of the multicopter 100.
  • the projector 200 may be supported by an electric gimbal so that the projection direction of the projector 200 can be changed more flexibly.
  • the multicopter 100 of the information transmission device 92 may be manually operated by a pilot using a propo (the pilot terminal 300).
  • the multicopter 100 according to the present embodiment has a latitude / longitude of a destination, and The flight route to the destination and the flight altitude are registered in advance in the flight control program FCP, and are set to automatically fly to the destination by autonomous flight.
  • the only functional difference between the information transmission device 92 and the information transmission device 91 of the first embodiment is that the information transmission device 92 is flying by the battery 182 (conveyance of articles). And explanation of the components that are separately required for security in the facility, etc.).
  • the information transmission device 92 of the present invention people who come and go under the multicopter 100 in flight are notified of the approach of the multicopter 100 and the direction of movement of the multicopter 100, thereby prompting overhead attention.
  • information is not displayed on the main body of the multicopter 100, but information is widely projected to the people around the multicopter 100 by projecting information from the multicopter 100 to the outside. It is possible to do.
  • FIG. 5 is a block diagram showing a functional configuration of the information transmission device 93.
  • the manner in which the information transmission device 93 according to the third embodiment projects an image on the road surface PS (projection surface) is the same as that in FIG. 1 (the projector 200 in FIG. 1 is replaced with the projector 210).
  • components having the same or the same functions as those of the previous embodiment are denoted by the same reference numerals as those of the previous embodiment, and detailed description thereof is omitted.
  • the multicopter 101 of the information transmission device 93 includes an illuminance sensor 130, and the illuminance sensor 130 is connected to the control device 110 of the flight controller FC.
  • the projector 210 of the information transmission device 93 is a combination of a general projector having a lamp light source and a laser projector having a laser light source, and can project an image from an arbitrary projector.
  • the type of image projection means is appropriately determined according to the environment (the intensity of external light, the color of the projection surface, whether indoors or outdoors, etc.) in which the information transmission apparatus of the present invention is used. A method with a high presentation effect needs to be selected.
  • the image projection program IPP2 of the information transmission device 93 measures the intensity of external light by the illuminance sensor 130, and projects an image using the projector of the lamp light source when the output value of the illuminance sensor 130 is below a predetermined threshold value.
  • the output value of the illuminance sensor 130 exceeds a predetermined threshold value, the laser graphics is projected by the laser projector.
  • the threshold value of the output value of the illuminance sensor 130 may be set to a value obtained by appropriately subtracting a margin value from a value at which the image projected by the lamp light source projector cannot be recognized with the naked eye.
  • a general projector that projects images and video using a lamp light source can project images with a high presentation effect with low-cost and rich color expression, while images can be projected under the influence of outside light such as outdoors. It has a drawback that it cannot be displayed clearly.
  • the information transmission device 93 of the present embodiment can draw laser graphics with a laser beam having high coherence in an environment where such a lamp light source projector is not good, so even in an environment with strong external light. It is possible to convey information more accurately to a third party.
  • the multicopter 100 is adopted as the moving body.
  • the moving body does not always need to be the multicopter 100.
  • the projector 200 is mounted on an automobile, and an image from the automobile to the sidewalk is displayed. A configuration that projects is also conceivable.

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  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Marketing (AREA)
  • Theoretical Computer Science (AREA)
  • Remote Sensing (AREA)
  • Projection Apparatus (AREA)
PCT/JP2016/079929 2015-10-16 2016-10-07 情報伝達装置 Ceased WO2017065107A1 (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015204649A JP6239567B2 (ja) 2015-10-16 2015-10-16 情報伝達装置
JP2015-204649 2015-10-16

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