# US 2019/0170123 A1 · Recording of measured values for a wind turbine > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2019/0170123 A1 - Document ID: US20190170123A1 - Status: Published application - Kind: A1 - Application number: 16/320,829 - Filed: 2017-07-11 - Published: 2019-06-06 - Earliest claimed: 2016-07-29 - Applicants: Wobben Properties GmbH - Inventors: René MERTENS; Albrecht BRENNER; Frank KNOOP; Uwe HELMKE - Web page: https://patentgrep.com/patent/US20190170123A1 ## CPC - F03D 17/00: Monitoring or testing of wind motors, e.g. diagnostics (testing during commissioning of wind motors F03D13/30) - B64U 10/14: with four distinct rotor axes, e.g. quadcopters - B64U 30/20: Rotors; Rotor supports - B64U 50/13: using external fans or propellers - B64U 50/19: using electrically powered motors - B64U 50/36: by wind turbines, e.g. ram air turbines [RAT] - G01W 1/08: Adaptations of balloons, missiles, or aircraft for meteorological purposes; Radiosondes (transmission of measurements G01D; transmitting circuits H04B; {balloons in general B64B; aeroplanes in general B64D; missiles in general F42B15/00}) - B64U 2101/00: UAVs specially adapted for particular uses or applications - B64U 2101/35: for science, e.g. meteorology - B64U 2201/102: adapted for flying in formations - B64U 2201/202: using tethers for connecting to ground station - F05B 2270/32: Wind speeds - F05B 2270/321: Wind directions - F05B 2270/322: the detection or prediction of a wind gust - F05B 2270/80: Devices generating input signals, e.g. transducers, sensors, cameras or strain gauges - Y02E 10/72: Wind turbines with rotation axis in wind direction - F03D: WIND MOTORS - B64U: UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR - G01W: METEOROLOGY (radar, sonar, lidar or analogous systems, designed for meteorological use G01S13/95, G01S15/88, G01S17/95) - F05B: INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G - Y02E: REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION ## Abstract A method for recording at least one measured value, wherein the measured value is recorded by means of at least one measuring drone, and the measuring drone flies into a predefinable position to record the measured value, is held in the predefinable position by a position adjustment or its change in relation to the predefinable position is recorded, records the at least one measured value, and transmits the at least one recorded measured value or at least one value representing said recorded measured value to an evaluation device and/or stores said recorded measured value. ## Claims ### Claim 1 A method comprising: recording at least one measured value, wherein the at least one measured value is recorded by at least one measuring drone, wherein the recording includes: flying the at least one measuring drone into a predefinable position to record the measured value; holding the at least on measuring drone in the predefinable position by a position adjustment or its change in relation to the predefinable position is recorded; recording the at least one measured value; and storing the at least one recorded measured value or at least one value representing said recorded measured value in a controller. ### Claim 2 (depends on 1) The method as claimed in claim 1, wherein the at least one measured value is a sound value measured by a microphone. ### Claim 3 (depends on 1) The method as claimed in claim 1, wherein the predefinable position is a first predefinable position, the method further comprising flying the at least one measuring drone into a second predefinable position and holding the at least one measuring drone in the second predefinable position by a position adjustment or its change in relation to the second predefinable position, and said measuring drone records at least one further measured value. ### Claim 4 (depends on 1) The method as claimed in claim 1 wherein at least one measured wind value is recorded as a measured value, in particular with a measuring sensor of the drone configured as a measured wind value recording means. ### Claim 5 (depends on 4) The method as claimed in claim 4, wherein at least one value is selected as the at least one measured wind value from the list containing: a wind speed; a wind direction; and a gustiness of the wind. ### Claim 6 (depends on 4) The method as claimed in claim 4, wherein the measuring drone: is held in the predefinable position by a position adjustment; and/or is held in a predefinable attitude by an attitude adjustment; and the at least one wind value is derived from the position adjustment the attitude adjustment or both. ### Claim 7 (depends on 1) The method as claimed in claim 1, wherein at least two measuring drones alternate with one another during the recording of the measured values in order to record the measured values without interruption. ### Claim 8 (depends on 1) The method as claimed in claim 1, wherein a plurality of measuring drones are used simultaneously and record the measured values in different predefinable positions. ### Claim 9 The method as claimed in wherein the at least one measured value is one of: at least one wind shear, at least one wind veer, and a wind field. ### Claim 10 (depends on 1) The method as claimed in claim 1, wherein the position adjustment of the measuring drone is performed by at least one measuring system, wherein the at least one measuring system is: a measuring system evaluating GPS data, a measuring system evaluating GPS data supplemented with one or more stationary reference receivers, a measuring system evaluating ultrasonic measurements, and a measuring system evaluating radar measurements. ### Claim 11 (depends on 1) The method as claimed in claim 1 further comprising recording weather information, wherein the weather information is one of: air temperature, precipitation type, precipitation quantity, relative humidity, air density, and air pressure. ### Claim 12 (depends on 1) The method as claimed in claim 1, wherein a plurality of measuring drones are held at different heights in relation to one, wherein each of the measuring drones records measured values at the respective heights to form a virtual measuring mast. ### Claim 13 (depends on 1) The method as claimed in claim 1, wherein the at least one measuring drone is positioned upwind of the wind power installation. ### Claim 14 (depends on 1) A method for operating at least one wind power installation, wherein the wind power installation is operated depending on at least one wind value and the at least one wind value is recorded by at least one measuring drone using the method as claimed in claim 1. ### Claim 15 A measuring drone for recording at least one measured value, the measuring drone comprising: a flight control device configured to cause the measuring drone to fly into a predefinable position and hold the flight control device in the predefinable position, wherein a change in the position of the measuring drone in relation to the predefinable position is recorded; a measuring means configured to record the at least one measured value; and a transmission means configured to transmit to a controller the at least one recorded measured value or at least one value representing said at least one recorded measured value. ### Claim 16 (depends on 15) The measuring drone as claimed in claim 15, wherein the measuring means is at least one microphone configured to record measured sound values. ### Claim 17 (depends on 15) The measuring drone as claimed in claim 15, wherein the measuring means is connected via a cable or a spacer to a main body. ### Claim 18 (depends on 17) The measuring drone as claimed in claim 17, wherein a plate is arranged on the cable or on the spacer between the measuring means and the main body, wherein the plate is a sound-reflecting plate. ### Claim 19 (depends on 15) The measuring drone as claimed in claim 15, wherein the measuring means comprises at least one measured wind value recording means. ### Claim 20 (depends on 15) The measuring drone as claimed in claim 15, comprising: one or more electrically driven propellers with an essentially vertical axis of rotation, wherein the flight control device is prepared to control at least one actuator selected from the list containing: the one or more electrically driven propellers, an adjustment means to adjust alignment of the vertical axis of rotation of each propeller, an attitude control means to control an attitude of the measuring drone, and a direction control means to control a flight direction of the measuring drone. ### Claim 21 (depends on 15) The measuring drone as claimed in claim 15 further comprising: an electric battery configured to store electrical energy, or a trailing cable configured to supply electrical energy. ### Claim 22 (depends on 15) The measuring drone as claimed in claim 15, comprising: one or more propellers driven by at least one internal combustion engine with an essentially vertical axis of rotation, wherein the flight control device is prepared to control at least one actuator selected from the list containing: the one or more electrically driven propellers, an adjustment means for adjusting alignment of the vertical axis of rotation of each propeller, an attitude control means to control an attitude of the measuring drone, and a direction control means to control a flight direction of the measuring drone. ### Claim 23 (canceled) ### Claim 24 (depends on 15) A measuring arrangement for recording at least one measured value that is a measured sound value or a measured wind value, by using a plurality of measuring drones, and wherein the arrangement comprises: a plurality of measuring drones as claimed in claim 15; and a base station to perform at least one function from the list containing the functions: supplying the measuring drones with electrical energy, capturing recorded measured values, and coordinating the measuring drones with one another. ### Claim 25 (depends on 15) A wind power installation comprising: a nacelle; and a rotor with rotor blades for generating electrical power from wind, wherein: the wind power installation is configured to be controlled depending on at least one measured value; and has a data transmission means configured to receive measured values or values representing said measured values that have been recorded and transmitted by at least one measuring drone as claimed in claim 15. ### Claim 26 (canceled) ### Claim 27 (depends on 25) The wind power installation as claimed in claim 25, wherein a charging point is provided for the electrical charging of the at least one measuring drone, wherein the charging point is arranged on the nacelle of the wind power installation. ### Claim 28 (depends on 25) A wind power system for generating electrical power from wind, the wind power system comprising at least one wind power installation as claimed in claim 25.