WO2017038809A1 - 滞空位置制御装置 - Google Patents
滞空位置制御装置 Download PDFInfo
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- WO2017038809A1 WO2017038809A1 PCT/JP2016/075305 JP2016075305W WO2017038809A1 WO 2017038809 A1 WO2017038809 A1 WO 2017038809A1 JP 2016075305 W JP2016075305 W JP 2016075305W WO 2017038809 A1 WO2017038809 A1 WO 2017038809A1
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- small unmanned
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- 238000004804 winding Methods 0.000 claims description 75
- 238000001514 detection method Methods 0.000 claims description 11
- 238000010586 diagram Methods 0.000 description 17
- 238000004891 communication Methods 0.000 description 6
- 238000012937 correction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012840 feeding operation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
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Classifications
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- 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
- B64D27/24—Aircraft characterised by the type or position of power plants using steam or spring force
-
- 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
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/08—Control of attitude, i.e. control of roll, pitch, or yaw
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/08—Control of attitude, i.e. control of roll, pitch, or yaw
- G05D1/0808—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft
- G05D1/0866—Control of attitude, i.e. control of roll, pitch, or yaw specially adapted for aircraft specially adapted to captive aircraft
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D1/00—Control of position, course, altitude or attitude of land, water, air or space vehicles, e.g. using automatic pilots
- G05D1/10—Simultaneous control of position or course in three dimensions
- G05D1/101—Simultaneous control of position or course in three dimensions specially adapted for aircraft
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- 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
- B64U10/00—Type of UAV
- B64U10/80—UAVs characterised by their small size, e.g. micro air vehicles [MAV]
-
- 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
- B64U20/87—Mounting of imaging devices, e.g. mounting of gimbals
-
- 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
- B64U2101/30—UAVs specially adapted for particular uses or applications for imaging, photography or videography
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2201/00—UAVs characterised by their flight controls
- B64U2201/20—Remote controls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2201/00—UAVs characterised by their flight controls
- B64U2201/20—Remote controls
- B64U2201/202—Remote controls using tethers for connecting to ground station
Definitions
- the present invention relates to a stagnant position control device, and more particularly to a technique for stably hovering a small unmanned airplane having a plurality of rotor blades at a desired position in space.
- a multicopter is a type of helicopter equipped with a plurality of rotors, and is a rotary wing aircraft that flies while balancing the fuselage by controlling the rotational speed of each rotor. Since a multi-copter can use a propeller having a simpler structure than that of a helicopter, the multi-copter is excellent in maintainability and can be configured at a relatively low cost.
- the multicopter's airframe controls are automated, in order to fly the multicopter as intended by the pilot, appropriate maneuvering technology, maintenance technology, and airframe performance are required. If these are not sufficient, the multicopter may fly out of the viewing range or out of the communication range due to external factors such as mishandling, poor maintenance of the aircraft, or strong winds. This is the same when the multicopter is autonomously flying in the program.
- a multicopter equipped with a photographing device or measuring device is stagnated at a predetermined position in the space, and shooting or measuring from that position for a long time, the multicopter is quickly moved to the predetermined position, and hovering flight It is necessary to keep the aircraft in the same position for a long time. It is not easy to perform such a flight stably.
- the problem to be solved by the present invention is to quickly move a small unmanned airplane equipped with a plurality of rotor blades to a predetermined position in the space, and to make the airframe fly stably at that position.
- the present invention is to provide a hovering position control device.
- the airborne position control device of the present invention connects a small unmanned airplane having a plurality of rotor blades, a fixed surface on which the small unmanned airplane takes off and landing, and the small unmanned airplane and the fixed surface.
- a plurality of string-like members, and the plurality of string-like members have a length that is all in tension when the small unmanned airplane reaches a designated position that is a predetermined position in the space. It is characterized by.
- the small unmanned airplane is connected to the fixed surface with a plurality of string-like members, and the length of these string-like members is adjusted so that all are in a tension state when the small unmanned airplane reaches the specified position, By simply raising the small unmanned airplane vertically from the fixed surface, the aircraft is guided to a designated position by these string-like members. In addition, since these string-like members are in tension at the designated position, the small unmanned airplane further generates upward thrust at the designated position, thereby pulling the small unmanned airplane and the fixed surface in opposite directions. The small unmanned airplane is prevented from easily deviating from the designated position. That is, a small unmanned airplane can be stably hovered at a specified position.
- the small unmanned airplane of the present invention since the small unmanned airplane of the present invention is connected to the fixed surface with a string-like member, the small unmanned airplane may fly out of the viewing range or out of the communication range due to misoperation, malfunction of the fuselage, strong wind, etc. There is no end.
- the plurality of string-like members have at least three string-like members.
- ⁇ A small unmanned airplane can be moored with at least three string-like members, so that one point in the space can be designated.
- the plurality of string-like members include a power line that supplies power to the small unmanned airplane or a signal line that transmits and receives signals to and from the small unmanned airplane.
- the winding control device further includes a control device and a relaxation detection device that detects the relaxation of the plurality of string-like members, and the relaxation detection device detects the relaxation of any of the plurality of string-like members. It is preferable that all the winding devices perform a winding operation until the relaxed string-like member is in a tension state.
- Each string-like member is connected to a fixed surface via a winding device, and when any of the string-like members is detected to be relaxed, all the string-like members are wound up until the string-like member is in a tensioned state. By doing so, it is possible to correct the deviation of the flight position of the small unmanned airplane in the horizontal direction. Furthermore, it is possible to prevent the small unmanned airplane from crashing outside the take-off and landing area, which is an area defined by an annular virtual line connecting each winding device and the winding device adjacent to the winding device.
- the winding control device increases the winding speed of all the winding devices when the string-like member is not in tension even when the relaxed string-like member is wound by a predetermined length. Is preferred.
- connection portion to which the plurality of string-like members are connected is provided at the bottom of the small unmanned airplane, the connection portion is a part of the relaxation detecting device, and the connection portion is the plurality of string-like members. It is preferable to be able to tilt in the direction pulled by the member.
- the winding control device and the relaxation detecting device are provided in the small unmanned airplane, and the small unmanned airplane and the plurality of winding devices are connected to each other by the signal lines so as to communicate with each other. preferable.
- the small unmanned airplane and each winding device are connected by a signal line, when the slack of any of the string-like members is detected, the small unmanned airplane instructs each winding device to cancel the relaxation. It becomes possible to put out directly.
- the small unmanned airplane having a plurality of rotor blades can be quickly moved to a predetermined position in the space, and the aircraft can be stably hovered at that position. Is possible.
- the airborne position control device of this embodiment is a monitoring device that raises a small unmanned aerial vehicle to a predetermined altitude and monitors the surrounding situation from the position using a camera or a measuring instrument.
- the hovering position control device may be automatically executed based on a predetermined cycle, or may be executed irregularly at any timing of the operator.
- FIG. 1 is a schematic diagram showing an appearance of a hovering position control apparatus according to a first embodiment of the present invention.
- the airspace position control device 90 includes a multicopter 100 (small unmanned airplane) having a plurality of rotor blades, a fixed surface 20 on which the multicopter 100 takes off and landing, and three wires 30 that connect the multicopter 100 and the fixed surface 20. (String member) and a transceiver 810 that wirelessly controls the multicopter 100.
- the length of each wire 30 is adjusted so that when the multicopter 100 reaches a designated position D, which is a predetermined position in the space, all are in a tension state.
- the fixed surface 20 refers to a fixed surface that cannot be easily moved even when an external force is applied, such as the ground surface or the rooftop of a building.
- the fixed surface 20 does not necessarily need to be a horizontal surface, and by adjusting the length of each wire 30, it can be used as the fixed surface 20 even if it is a surface provided with unevenness and inclination.
- the fixed surface 20 is provided with three winding devices 400 for feeding and winding the wires 30, and the end of each wire 30 on the fixed surface 20 side is connected to the winding device 400.
- the winding device 400 is a small winch that has an auto tension function and always pulls the wire 30 in the winding direction with a constant tension. Naturally, the tension of the wire 30 is adjusted to be smaller than the lift force that the multicopter 100 can output. Further, the winding device 400 is not an essential configuration, and each wire 30 may be directly connected to the fixed surface 20.
- FIG. 2 is a block diagram showing a functional configuration of the hovering position control device 90.
- the multicopter 100 mainly includes a flight controller 120 that controls the attitude and flight operation of the multicopter 100 in the air, a plurality of rotor blades 170 that generate lift by rotating the multicopter 100, and a situation around the multicopter 100.
- a camera module 130 for photographing, a transmitter / receiver 110 that performs wireless communication with a pilot (transmitter / receiver 810), and a battery 180 that supplies electric power to these units are configured.
- the flight controller 120 includes a control device 121 that is a microcontroller.
- the control device 121 includes a CPU 122 that is a central processing unit, a RAM / ROM 123 that is a storage device, and a PWM controller 126 that transmits a control signal of the DC motor 160 to an ESC (Electric Speed Controller) 150.
- the DC motors 160 are a plurality (four in this embodiment) of outer rotor type DC brushless motors, and a rotor blade 170 is attached to the output shaft of each DC motor 160.
- the ESC 150 is disposed for each DC motor 160 and rotates each DC motor 160 at a speed instructed by the PWM controller 126.
- the flight controller 120 includes a sensor group 124 and a GPS receiver 125, which are connected to the control device 121.
- the sensor group 124 of the multicopter 100 includes an acceleration sensor, a gyro sensor (angular velocity sensor), an atmospheric pressure sensor, a geomagnetic sensor (electronic compass), and the like.
- the control device 121 can acquire the current position including the latitude, longitude, and altitude of the multicopter 100 by using the sensor group 124 and the GPS receiver 125.
- the RAM / ROM 123 of the control device 121 stores a flight control program 123a in which a flight control algorithm during the flight of the multicopter 100 is implemented.
- the control device 121 controls the attitude of the multicopter 100 to be constant by using the program 123a and information acquired from the sensor group 124.
- the maneuvering position control device 90 may be operated manually by the operator, or may be automatically performed by separately registering an autonomous flight program in the RAM / ROM 123 of the control device 121.
- the hovering position control device of the present invention can guide the small unmanned airplane to the designated position by the string-like member, it is considered that the sensor group 124 and the GPS receiver 125 can be omitted.
- the multicopter 100 includes a camera module 130 that captures the situation around the multicopter 100.
- the camera module 130 receives a command from the operator (transmitter / receiver 810), changes the circumferential direction and the vertical direction of the camera unit 133 according to the command from the camera control unit 131, and the camera unit 133.
- the camera posture control unit 132 that corrects the camera shake and the camera unit 133 that captures the situation in the direction directed to the camera posture control unit 132.
- the operation of the camera module 130 may be performed manually by the operator, or may be automatically performed by an autonomous photographing program registered in the camera control unit 131 using a microcontroller in the camera control unit 131.
- the hovering position control apparatus in this embodiment is used as a monitoring apparatus
- the camera module 130 (the measuring instrument module 140 in the third embodiment) is mounted.
- the camera module 130 and the measuring instrument module 140 are indispensable configurations. is not.
- a speaker is mounted and used for a public address (Public Address), or a light source is mounted and used as a light wave sign such as a lighthouse.
- the multicopter 100 is connected to the fixed surface 20 by three wires 30 and the length is adjusted so that all of the wires 30 are in tension when the multicopter 100 reaches the designated position D.
- the multicopter 100 is swept by the wind while rising and its horizontal position deviates from the specified position D, only some of the wires 30 are in advance and in tension.
- the movable range of the multicopter 100 is limited to an arc drawn by the tip of the wire 30 in the tension state (the end of the wire 30 on the multicopter 100 side).
- the designated position D is an intersection of arcs drawn by the tips of the wires 30 in a tension state, and the intersection is the highest position in the movable range of the multicopter 100. Therefore, when the multicopter 100 continues to rise, the multicopter 100 follows one of the arcs and is guided to the designated position D.
- all these wires 30 are in tension. Therefore, when the multicopter 100 generates a further upward thrust at the designated position D, the multicopter 100 and the fixed surface 20 can be pulled in opposite directions. Thereby, it is possible to prevent the multicopter 100 from easily deviating from the designated position D. That is, the multicopter 100 can be stably hovered at the designated position D.
- the multicopter 100 since the multicopter 100 is connected to the fixed surface 20 by the wire 30, the multicopter 100 may fly out of the viewing range or out of the communication range due to a steering mistake, a malfunction of the fuselage, or a strong wind. Is prevented.
- the designated position D is specified as one point in the space by connecting the multicopter 100 with three wires 30, but the number of the wires 30 is not limited to three. If the designated position D is allowed to be a linear range in the space, the number may be two, or conversely, four or more.
- FIG. 3 is a schematic diagram showing the appearance of the hovering position control device 91 according to the second embodiment of the present invention
- FIG. 4 is a block diagram showing the functional configuration of the hovering position control device 91.
- 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 staying position control device 91 includes a winding detection device 501 that detects the relaxation of the wire 30 in the winding device 401 that feeds and winds each wire 30, and further performs the operation of the winding device 401.
- a winding control device 601 for centralized management is provided.
- the configuration of the multicopter 100 is the same as that of the stagnant position control device 90 of the first embodiment.
- the winding device 401 is a small winch that has an auto-tension function and always pulls the wire 30 in the winding direction with a constant tension.
- tensile_strength of the wire 30 is the same as the winding apparatus 400 of 1st Embodiment that the multicopter 100 is adjusted so that it may become smaller than the lift which can be output.
- the winding device 401 is an electric winch, and can perform a winding operation at an arbitrary timing and speed according to an instruction from the winding control device 601.
- a slack detection device 501 is incorporated in each winding device 401.
- the looseness detection device 501 is a device that detects the feeding operation or the winding operation of the winding device 401 using, for example, a rotary encoder, and notifies the winding control device 601 of it. That is, the looseness detection of the wire 30 in the stay position control device 91 is realized by the cooperation of the relaxation detection device 501 and the winding control device 601.
- “relaxation of the string-like member” in the present invention does not simply indicate a state in which the string-like member is slack, but prevents in advance the occurrence of sagging in the wire 30 as in the winding device 401, for example.
- the length in which a part of the wires 30 is drawn out is not enough for the expected length compared to the length in which the other wires 30 are drawn out (part thereof) The wire 30 is not pulled sufficiently, i.e., relaxed).
- the winding control device 601 is a microcontroller including a CPU 61 and a RAM / ROM 62.
- the RAM / ROM 62 stores a winding control program 62a in which a flight position correction algorithm of the multicopter 100 described below is mounted.
- FIG. 9 is an explanatory diagram showing a flight position correction procedure of the multicopter 100 by the winding control device 601 (winding control program 62a).
- the winding control device 601 does all the winding until the relaxed wire 30 is in a tension state.
- the winding device 401 is caused to perform a winding operation (FIG. 9B).
- the deviation of the flight position of the multicopter 100 in the horizontal direction can be corrected by winding all the wires 30 to the length where the wire 30 is in a tension state. it can. Furthermore, in addition to the take-off and landing area A (see FIG. 3), which is an area defined by an annular virtual line connecting each winding device 401 and the winding device 401 adjacent to the winding device 401, the multicopter 100. Can be prevented from falling.
- the winding control device 601 increases the winding speed of all the winding devices 401 when the relaxed wire 30 is not in tension even after winding the relaxed wire 30 by a predetermined length (for example, 2 to 3 m).
- the multicopter 100 is likely to fail or crash. Therefore, by increasing the winding speed of all the winding devices 401 and quickly pulling back the multicopter 100 into the take-off and landing area A, it is possible to minimize the damage caused by such problems.
- FIG. 5 is a schematic diagram showing the appearance of the hovering position control device 92 according to the third embodiment of the present invention
- FIG. 6 is a block diagram showing the functional configuration of the hovering position control device 92.
- 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 basic configuration of the remaining position control device 92 is the same as that of the remaining position control device 91 of the second embodiment.
- the stay position control apparatus 92 includes a measuring instrument module 140 instead of the camera module 130 (see FIG. 2).
- the measuring instrument used in the measuring instrument module 140 for example, an atmospheric component analyzer, an infrared camera, a radio wave measuring instrument, and the like are conceivable, but not limited thereto.
- the measuring instrument module 140 is a measuring instrument controller 141 that receives an instruction from the operator (transceiver 811), and a measuring instrument that changes the circumferential direction and the vertical direction of the measuring instrument unit 143 according to the instruction of the measuring instrument controller 141.
- the posture control unit 142 and a measuring device unit 143 that performs a side in a direction directed to the measuring device posture control unit 142 are configured.
- the operation of the measuring instrument module 140 may be performed manually by the operator, or may be automatically performed by an autonomous measurement program registered in the measuring instrument control section 141 using a microcontroller for the measuring instrument control section 141. .
- the wire 30 ′ connecting the multicopter 101 and the fixed surface 20 is connected to the power line 32 that supplies power to the multicopter 101, and the operator (transmitter / receiver 811) is connected to the multicopter 101.
- a signal line 31 for transmitting and receiving signals is included.
- the multicopter 101 can be stably hovered and flying at the designated position D, and the limitation on the flight time due to the battery capacity is eliminated.
- the influence of noise in communication between the (transmitter / receiver 811) and the multicopter 101 (transmitter / receiver 110 ′) is suppressed.
- the power line 32 and the signal line 31 may be connected to the multicopter 101 alone instead of the wire 30. However, if there is a concern about the strength of the power line 32 and the signal line 31, the power line 32 and the signal line 31 may be connected separately from the wire 30. Good. That is, as in the previous embodiment, the multicopter 101 and the fixed surface 20 are connected by the three wires 30, and the signal line 31 is connected to one of them and the power line 32 is connected to the other to form the multicopter 101. It is good also as a structure to connect.
- FIG. 7 is a schematic diagram showing an appearance of the hovering position control device 93 according to the fourth embodiment of the present invention
- FIG. 8 is a block diagram showing a functional configuration of the hovering position control device 93.
- 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.
- a winding control device 602 and a relaxation detection device 502 having functions equivalent to those of the winding control device 601 and the relaxation detection device 501 in the previous embodiment are provided inside the body of the multicopter 102. ing.
- the multicopter 102 and each winding device 401 are connected to each other via a signal line 31 so as to communicate with each other.
- the signal line 31 may be connected to the multicopter 102 alone instead of the wire 30, and the signal line 31 may be connected to the wire 30 in the same manner as in the previous embodiment.
- the connecting portion 51 is a member that can be tilted in the direction pulled by these signal lines 31, and the connecting portion 51 constitutes a part of the relaxation detecting device 502.
- the connecting portion 51 a set of a connecting piece that stands upright in the vertical direction by an elastic force and maintains its position unless an external force of a predetermined magnitude is applied, and a tilt direction and a tendency angle of the connecting piece.
- a structure having a variable resistor is conceivable.
- the configuration of JP-A-06-110602 can be referred to.
- the relaxation detection device 502 notifies only the winding control device 602 of the detected relaxation information, but may be configured to notify the control device 121 of the flight controller 120 of such information. By adopting such a configuration, it becomes possible for the multicopter 102 to autonomously correct the flight position, and it is possible to control the hovering position of the multicopter 102 more flexibly.
- the multicopter 102 and each winding device 401 are connected by the signal line 31 respectively, when the relaxation of any of the signal lines 31 is detected, the multicopter 102 directly connects to each winding device 401. It is possible to issue an instruction for eliminating the relaxation.
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Abstract
Description
図1は本発明の第1実施形態にかかる滞空位置制御装置の外観を示す模式図である。滞空位置制御装置90は、複数の回転翼を備えるマルチコプター100(小型無人飛行機)と、マルチコプター100が離着陸する固定面20と、マルチコプター100と固定面20とを連結する3本のワイヤー30(紐状部材)と、マルチコプター100を無線操縦する送受信器810と、を備えている。また、各ワイヤー30の長さは、マルチコプター100が空間中の所定の位置である指定位置Dに至ったときに、すべてが緊張状態となる長さに調節されている。
以下に、本発明の滞空位置制御装置にかかる第2実施形態について説明する。図3は本発明の第2実施形態にかかる滞空位置制御装置91の外観を示す模式図であり、図4は滞空位置制御装置91の機能構成を示すブロック図である。なお、以下の説明では、先の実施形態と同様または同一の機能を有する構成については、先の実施形態と同一の符号を付してその詳細な説明を省略する。
以下に、本発明の滞空位置制御装置にかかる第3実施形態について説明する。図5は本発明の第3実施形態にかかる滞空位置制御装置92の外観を示す模式図であり、図6は滞空位置制御装置92の機能構成を示すブロック図である。なお、以下の説明では、先の実施形態と同様または同一の機能を有する構成については、先の実施形態と同一の符号を付してその詳細な説明を省略する。
以下に、本発明の滞空位置制御装置にかかる第4実施形態について説明する。図7は本発明の第4実施形態にかかる滞空位置制御装置93の外観を示す模式図であり、図8は滞空位置制御装置93の機能構成を示すブロック図である。なお、以下の説明では、先の実施形態と同様または同一の機能を有する構成については、先の実施形態と同一の符号を付してその詳細な説明を省略する。
Claims (7)
- 複数の回転翼を備える小型無人飛行機と、
前記小型無人飛行機が離着陸する固定面と、
前記小型無人飛行機と前記固定面とを連結する複数の紐状部材と、を備え、
前記複数の紐状部材は、前記小型無人飛行機が空間中の所定の位置である指定位置に至ったときに、すべてが緊張状態となる長さであることを特徴とする滞空位置制御装置。 - 前記複数の紐状部材は少なくとも3本の前記紐状部材を有することを特徴とする請求項1に記載の滞空位置制御装置。
- 前記複数の紐状部材には、前記小型無人飛行機に電力を供給する電力線または前記小型無人飛行機と信号を送受信する信号線が含まれることを特徴とする請求項1または請求項2に記載の滞空位置制御装置。
- 前記紐状部材ごとに前記固定面に設置され、前記各紐状部材の繰り出しおよび巻き取りを行う複数の巻取装置と、
前記複数の巻取装置の動作を一元的に管理する巻取制御装置と、
前記複数の紐状部材の弛緩を検知する弛緩検知装置と、をさらに有し、
前記弛緩検知装置が前記複数の紐状部材のいずれかの弛緩を検知すると、前記巻取制御装置は、弛緩した前記紐状部材が緊張状態となるまで、すべての前記巻取装置に巻取動作を行わせることを特徴とする請求項1から請求項3のいずれか一項に記載の滞空位置制御装置。 - 前記巻取制御装置は、弛緩した前記紐状部材を所定の長さ巻き取っても該紐状部材が緊張状態にならないときは、すべての前記巻取装置の巻取速度を上昇させることを特徴とする請求項4に記載の滞空位置制御装置。
- 前記小型無人飛行機の底部には、前記複数の紐状部材が連結される連結部が設けられ、
前記連結部は前記弛緩検知装置の一部であり、
前記連結部は前記複数の紐状部材に牽引された方向へ傾倒可能であることを特徴とする請求項4または請求項5に記載の滞空位置制御装置。 - 前記巻取制御装置および前記弛緩検知装置は前記小型無人飛行機に備えられ、
前記小型無人飛行機と前記複数の巻取装置とは、それぞれ前記信号線により互いに通信可能に接続されていることを特徴とする請求項6に記載の滞空位置制御装置。
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US20180251217A1 (en) | 2018-09-06 |
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JP6261830B2 (ja) | 2018-01-17 |
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