Abstract: A method for controlling an unmanned aerial vehicle (UAV) includes receiving remote control information indicating an operating direction of a rudder stick of a remote controller. The remote control information includes a controller nose orientation of the remote controller and an operating angle of the rudder stick. The method further includes acquiring UAV attitude information of the UAV, determining a target flight direction in accordance with the remote control information and the UAV attitude information, and controlling the UAV to fly in the target flight direction. The target flight direction is the same as the operating direction of the rudder stick.

Abstract: An unmanned aerial vehicle includes a body frame, at least two magnetometers disposed at different positions of the body frame, and a processor communicatively coupled with the at least two magnetometers. Each of the at least two magnetometers are configured to measure magnetic field information of a magnetic field in which the unmanned aerial vehicle is positioned. The processor is configured to, in response to the magnetic field information measured by the at least two magnetometers indicating that the unmanned aerial vehicle is subject to a magnetic field interference, initiate a command instructing the unmanned aerial vehicle to stop taking off or to return.

Abstract: A method for automatically powering off an aerial vehicle includes detecting an operating state of the aerial vehicle based on altitude information of the aerial vehicle. The attitude information includes at least one of absolute altitude information or relative altitude information. The relative altitude information includes a landing distance to a landing plane. The method further includes determining whether the operating state of the aerial vehicle indicates that the aerial vehicle has landed and, in response to a determination result that the aerial vehicle has landed, shutting down a propulsion output of the aerial vehicle.

Abstract: An electric unmanned aerial vehicle includes a position sensor, a memory, and a controller in communication with the position sensor and the memory. The position sensor is configured to obtain coordinate information of a present position of the electric unmanned aerial vehicle in real-time. The coordinate information includes a plane coordinate on a horizontal plane and a height coordinate in a vertical direction. The memory stores coordinate information of a preset position of the electric unmanned aerial vehicle. The controller is configured to calculate a safety electricity amount needed by the electric unmanned aerial vehicle to perform a safety protection command based on the plane coordinate and the height coordinate, compare the safety electricity amount with a present remaining electricity amount of a battery of the electric unmanned aerial vehicle, and perform a safety protection command if the present remaining electricity amount is not greater than the safety electricity amount.

Abstract: The present invention discloses a heading generation method of an unmanned aerial vehicle including the following steps of: making a preliminary flight for selecting a point of view to record flight waypoints, the waypoints including positioning data and flight altitude information of the unmanned aerial vehicle; receiving and recording flight waypoints of the unmanned aerial vehicle; generating a flight trajectory according to waypoints of the preliminary flight; editing the flight trajectory to obtain a new flight trajectory; and transmitting the edited new flight trajectory to the unmanned aerial vehicle to cause the unmanned aerial vehicle to fly according to the new flight trajectory. The present invention further relates to a heading generation system of an unmanned aerial vehicle.

Abstract: An unmanned aircraft navigation system includes a controller and at least one measurement component coupled to the controller. The at least one measurement component includes at least two sensors with one of the at least two sensors being redundant sensor for another one of the at least two sensors. The at least one measurement component is configured to provides data measured by the at least two sensors to the controller.

Abstract: Systems, methods, and devices are provided for providing flight response to flight-restricted regions. The location of an unmanned aerial vehicle (UAV) may be compared with a location of a flight-restricted region. If needed a flight-response measure may be taken by the UAV to prevent the UAV from flying in a no-fly zone. Different flight-response measures may be taken based on the distance between the UAV and the flight-restricted region and the rules of a jurisdiction within which the UAV falls.

Abstract: A method of detecting a magnetic field interference includes obtaining magnetic field information measured by each one of n magnetometers carried by a movable object, determining magnetic differences between the magnetic field information measured by m magnetometers of the n magnetometers, and determining whether the movable object is subject to a magnetic field interference based on the magnetic differences. n is an integer greater than or equal to 2, and m is an integer greater than or equal to 2 but smaller than or equal to n.

Abstract: The present invention discloses a heading generation method of an unmanned aerial vehicle including the following steps of: making a preliminary flight for selecting a point of view to record flight waypoints, the waypoints including positioning data and flight altitude information of the unmanned aerial vehicle; receiving and recording flight waypoints of the unmanned aerial vehicle; generating a flight trajectory according to waypoints of the preliminary flight; editing the flight trajectory to obtain a new flight trajectory; and transmitting the edited new flight trajectory to the unmanned aerial vehicle to cause the unmanned aerial vehicle to fly according to the new flight trajectory. The present invention further relates to a heading generation system of an unmanned aerial vehicle.

Abstract: A movable object includes a plurality of actuation devices configured to move the movable object, a processor configured to control the actuation devices and the movements of the movable object, and at least one sensor. The sensor has a coordinate system not substantially in alignment with a coordinate system of the movable object. The sensor senses the state of the movable object and the processor controls the propulsion devices and the movements of the movable object based on the sensed state.

Abstract: A flight aiding method for an unmanned aerial vehicle includes receiving a receiving, from a mobile terminal that controls the unmanned aerial vehicle, a flight aiding instruction to execute a flight aiding function. The flight aiding method further includes in response to receiving the flight aiding instruction, controlling, regardless of a head direction that a head of the unmanned aerial vehicle is pointing, the unmanned aerial vehicle to fly by controlling both a velocity of the unmanned aerial vehicle along a reference direction and a velocity of the unmanned aerial vehicle perpendicular to the reference direction. The reference direction is defined for the unmanned aerial vehicle based on a position of a point of interest and a current location of the unmanned aerial vehicle.

Abstract: An unmanned aircraft navigation system includes a master navigation device, a slave navigation device, and a controller. The master navigation device includes at least one measurement component. The slave navigation device includes at least one measurement component configured to provide a redundancy support for the at least one measurement component of the master navigation device. The controller is configured to effect a navigation using the at least one measurement component of the master navigation device and the at least one measurement component of the slave navigation device.

Abstract: A flight aiding method for an unmanned aerial vehicle includes receiving a flight aiding instruction to execute a flight aiding function, recording a position of a point of interest, recording a current location of the unmanned aerial vehicle, and defining a forward flight direction of the unmanned aerial vehicle based on the position of the point of interest and the current location of the unmanned aerial vehicle.

Abstract: A lock loss recapture method includes acquiring a signal transmission time range of a target satellite, determining a code phase search range based on the signal transmission time range, acquiring a carrier frequency search range of the target satellite, and tracking a signal of the target satellite in response to the code phase search range satisfying a first condition and the carrier frequency search range satisfying a second condition.

Abstract: A method includes obtaining operational data recorded by a data recorder onboard an unmanned aerial vehicle (UAV), determining timing of a maintenance operation for the UAV based on the operational data, and providing a reminder of the maintenance operation for the UAV based on the determined timing.

Abstract: Systems, methods, and devices are provided for controlling an unmanned aerial vehicle (UAV) associated with flight response measures. The flight response measure may be generated by assessing one or more flight-restriction strips, assessing at least one of a location or a movement characteristic of the UAV relative to the one or more flight-restriction strips, and directing, with aid of one or more processors, the UAV to take one or more flight response measures based on at least one of the location or movement characteristic of the UAV relative to the one or more flight-restriction strips.

Abstract: Systems, methods, and devices are provided for generating flight restriction zones associated with flight response measures. The flight restriction zones may be generated with one or more flight restriction strips. Flight response measures for an unmanned aerial vehicle (UAV) may be directed based on a location and/or movement characteristic of the UAV relative to the one or more flight restriction strips. Different flight-response measures may be taken based on various parameters.

Abstract: A system and apparatus for data recording and analyzing operational data monitors and records data generated by a plurality of operational and extended sensors each positioned on a moving platform. The data recording and analysis system analyzes the sensor data during movement and, by performing a statistical analysis of the operational data, adjusts one or more selected performance capabilities of the platform. The performance envelope of a platform is altered according to the experience of an operator. The recorded data is transmitted at any suitable time, including during and/or after travel. The apparatus provides redundant storage capability and the ability to store information on removable media to enable sharing of data. Thereby, the system, apparatus and method advantageously optimizes the operator's overall experience controlling a platform.

Abstract: A method for controlling a movable object is described. The method may include controlling the movable object to move with a variable speed along one or more directions; collecting sensing data from one or more sensors onboard the movable object during the movement along the one or more directions, wherein the one or more sensors do not include a magnetic sensor; and determining a correspondence between a local coordinate system and a global coordinate system based on the sensing data.

Abstract: A method for automatically powering off an aerial vehicle includes detecting an operating state of the aerial vehicle based on altitude information of the aerial vehicle. The attitude information includes at least one of absolute altitude information or relative altitude information. The relative altitude information includes a landing distance to a landing plane. The method further includes determining whether the operating state of the aerial vehicle indicates that the aerial vehicle has landed and, in response to a determination result that the aerial vehicle has landed, shutting down a propulsion output of the aerial vehicle.