Abstract: An aircraft and a roll method thereof. The aircraft comprises a remote control, a motor, a power supply, a controller, a six-axis inertial sensor and an H-bridge chip. The remote control is configured for a user to input a desired inclination angle of the aircraft, and transmit the desired inclination angle to the controller, the desired inclination angle being 180° or 360°. The six-axis inertial sensor is configured to detect a current real-time inclination angle of the aircraft relative to a horizontal plane, and transmit the real-time inclination angle to the controller. The controller is configured to compute a difference value between the desired inclination angle and the real-time inclination angle, and compute a roll voltage according to the difference value. The controller is further configured to control the H-bridge chip so that the roll voltage is input to the motor.

Abstract: A fixed-wing aircraft and flight control method and system thereof are provided. The flight control method includes steps of: setting a landing site of the fixed-wing aircraft; calculating a landing runway which starts from a runway origin and ends at the landing site and is formed by alternately connecting horizontal runways with inclined runways, wherein a horizontal distance between the runway origin and the landing site is determined according to a type of the fixed-wing aircraft, and a descent rate coefficient of the inclined runways varies with a horizontal length of the inclined runways; obtaining a current location of the fixed-wing aircraft and calculating a return route which starts from the current location of the fixed-wing aircraft and ends at the runway origin; and forming a return flight line by combining the return route with the landing runway.

Abstract: A locking mechanism for unmanned aerial vehicle (UAV) is provided by the present invention, includes: a motor, a base, a blade and a locking component; wherein the base comprises a mounting groove for the blade inserting in; the locking component is configured to fixedly connect the base and a rotor of the motor by passing through the base and the blade; the blade is configured to rotate freely relative to the locking component in a range of angles. The locking component of the present invention is convenient for assembly and disassembly, with a light weight and a small structure.

Abstract: A remote control device for an aircraft and an aircraft system are provided. The aircraft system includes the aircraft (3) and the remote control device. The remote control device includes a first global positioning system (GPS) chip (4), a magnetometer (5), a gyroscope chip (6), a main control chip (8) and a first signal transceiver (9). The first GPS chip (4), the magnetometer (5) and the gyroscope chip (6) are respectively connected with the main control chip (8), and the first signal transceiver (9) is connected with the main control chip (8). The first GPS chip (4), the magnetometer (5) and the gyroscope chip (6) transmit three different position signals of the remote control device to the main control chip (8) respectively; the main control chip (8) transmits a control signal through the first signal transceiver (9), and the first signal transceiver (9) receives a condition signal of the aircraft and then transmits to the main control chip (8).

Abstract: A gimbal handheld holder includes two support legs (100, 101) and a control device. A transverse rod (2) is located between the two support legs (100). A handle (3) is located on the transverse rod (2). A gimbal connector (4) is located at a junction of the handle (3) with the transverse rod (2). The gimbal handheld holder is connected with a gimbal (5) through the gimbal connector (4). The gimbal (5) is located below the transverse rod (2) and between the two support legs (100). The handle (3) is located on the transverse rod (2). The control device controls the gimbal (5) to move. The gimbal handheld holder is able to achieve force balance at two ends thereof, and steadily hold the gimbal below the transverse rod. While being connected with the gimbal, the gimbal handheld holder is able to be directly steadily placed on ground. Moreover, the gimbal handheld holder includes the control device and adopts different control method to improve control flexibility for the gimbal.

Abstract: A flying machine disclosed in the present application includes a main body, a flying module and a function module which is for controlling working state of the flying module. The flying module includes at least one pair of flying units, wherein the flying unit includes a flying frame, rotors and a steering oar which works with the rotors to propel the flying machine. Compared with the conventional flying machine which requires four rotors, while loaded with the same power source, the present flying machine doubles the flight time, which solve the problem of short working time.

Abstract: The present invention discloses a smart unmanned aerial vehicle for home which includes a route reconnaissance module to respond to reconnaissance instructions which instruct the unmanned aerial vehicle to patrol a house according to a preset flight route; a feature recognition module to recognize family members and different reactions of the family members toward the unmanned aerial vehicle for generating and recording an instruction set for different family members; a control module to generate reconnaissance instructions according to external reconnaissance control signals, wherein when exception occurs, warning signals are generated; the control module interrupts a patrol according to an external patrol interruption signal or when the feature recognition module recognizes the family members; the control module responds or waits for a response to the control signals for actions of the feature recognition module. The present invention is customized for family members, which is able to monitor and etc.

Abstract: An aircraft control device and a remote controller aircraft are disclosed. The aircraft control device includes a first channel configured to receive first control information outputted by a remote controller and transmit the first control information to an aircraft; a second channel configured to receive second control information outputted by the remote controller and transmit the second control information to a camera and/or a gimbal; and a switch unit configured to switch that the first control information is received by the second channel and transmitted to the aircraft when the first channel is disturbed or a distance between the remote controller and the aircraft is larger than a distance threshold. The present invention is able to switch the transmission route of the first control information between the first channel and the second channel in accordance with situations of the first channel and the second channel.

Abstract: A three-axis gimbal includes a carrier, a first fixing frame, a second fixing frame, a third fixing frame, a first motor, a second motor and a third motor. The first motor is connected respectively with the first fixing frame and the second fixing frame, so that the second fixing frame rotates relative to the first fixing frame. The second motor is connected respectively with the second fixing frame and the third fixing frame, so that the third fixing frame rotates relative to the second fixing frame. The third motor is connected respectively with the third fixing frame and the carrier, so that the carrier rotates relative to the third fixing frame. An axis of the second motor is parallel to an axis of the carrier; an axis of the third motor is perpendicular to the first fixing frame; axes of the three motors are perpendicular to each other.

Abstract: The present invention disclosed a cooling system for unmanned aerial vehicle, which includes a main body, four arms disposed on the main body, two clockwise rotating propellers and two counterclockwise rotating propellers disposed on the arms respectively; wherein at least one air guide hole on each of the arms, which guide air to a middle of the main body; the two clockwise rotating propellers are disposed diagonally and the two counterclockwise rotating propellers are disposed diagonally; a clockwise rotating propeller is on a left-front arm; each of the clockwise and the counterclockwise rotating propellers rotates to generate an airstream which is configured to sweep towards the arm, the airstreams are configured to flow to an internal part of the main body by the air guide hole. The cooling system is able to cool down the whole unmanned aerial vehicle.

Abstract: An obstacle avoidance device for detecting surroundings of an unmanned mobile device is disclosed, which includes a stabilization platform connected with the unmanned mobile device, wherein the stabilization platform includes a stabilizer for ensuring stably bearing at least one platform camera; and an obstacle avoidance module fixed with the stabilization platform, so as to reduce interferences to detecting the surroundings by the obstacle avoidance module when the unmanned mobile device acts. The obstacle avoidance device of the present invention is able to keep a stable attitude while the unmanned mobile device is unstable and changes an attitude thereof, so as to effectively avoid obstacles.

Abstract: A magnetic levitation obstacle avoidance device and a magnetic levitation holder are provided, wherein the magnetic levitation obstacle avoidance device includes: a magnetic levitation component and an obstacle avoidance module; wherein the magnetic levitation component comprises a driving component, an inner stator and an outer rotor; wherein the obstacle avoidance module is mounted on the outer rotor; the driving component drives the outer rotor according to attitude changes of the obstacle avoidance module, so as to change a magnetic force between the outer rotor and the inner stator; the obstacle avoidance module is adjusted to a target attitude by magnetic levitation rotation of the outer rotor. The magnetic levitation obstacle avoidance device and the magnetic levitation holder are self-adaptive in attitude adjustment, and are more stable.

Abstract: The invention provides for systems, methods, and compositions for manipulation of sequences and/or activities of target sequences. Provided are vectors and vector systems, some of which encode one or more components of a CRISPR complex, as well as methods for the design and use of such vectors. Also provided are methods of directing CRISPR complex formation in eukaryotic cells and methods for selecting specific cells by introducing precise mutations utilizing the CRISPR/Cas system.

Abstract: This invention discloses a pan-tilt hand holder which features that: It includes a clamping mechanism for holding the mobile terminal, a control device, and a power device are provided, wherein, the frame body is configured to install a pan-tilt, the control device is configured to control the movement of the pan-tilt, and the power device is configured to supply electric power to the control device. The application of the invention achieves not only the handheld movement operation of the pan-tilt, but also the operation with just one hand, which is convenient for use.

Abstract: The present disclosure relates to an aerial shooting method and system using a drone, wherein the aerial shooting method using a drone comprises steps of presetting an aerial path and generating a first operation instruction based on the preset aerial path; controlling the drone to fly along the preset aerial path according to the first operation instruction; marking a plurality of waypoints during the flight of the drone along the preset aerial path; planning a flight path based on the plurality of waypoints and generating a flight instruction based on the flight path; making the drone automatically fly along the flight path according to the flight instruction; and controlling the drone to shoot during the automatic flight of the drone.

Abstract: The present invention discloses a UAV aerial photographing system having a remote control device, a UAV, and a PTZ camera, wherein the remote control device is used to transmit a flight instruction to the UAV; wherein the UAV is used to fly in any one of the following modes according to the flight instruction: mode 1: flying around a first target point with a preset radial distance; mode 2: flying a first preset distance on a straight line formed by a target point and a lens angle of the PTZ camera in a direction away from the target point; mode 3: flying according to a curved preset path; mode 4: flying with a preset angle and a second preset distance kept between the UAV and the remote control device; and wherein the PTZ camera is used to perform photographing during flight of the UAV.

Abstract: An aircraft system (1) includes an aircraft apparatus (31) including an image capturing device (33) and a remote control (32). The remote control (32) includes a display (321), a first communication circuit (322) adapted for transmitting aircraft control signals to the aircraft apparatus (31), and a second communication circuit (323) adapted for receiving image signals of the image capturing device. The display (321) is adapted for displaying the image signals.

Abstract: A pan-tilt and an aerial camera containing a pan-tilt. This pan-tilt includes a motor which has a first part and a second part of relative movement, a slip ring which is installed in the motor and has a fixing part and a rotating part, and a control part which is installed under the motor and at which the second part is installed. The center of the motor has a first hole which longitudinally penetrates through, in which the slip ring is installed. The fixing part is static relative to the first part. The control part is electrically connected to the rotating part via a wire which is set to pass through the first hole. The control part is electrically connected with the motor. The pan-tilt can be rotated by 360 degrees.

Abstract: A gimbal includes a housing (1). A gyroscope board (4), a camera (21), and a camera main control board (22) electrically connected with the camera are disposed in the housing. A Wi-Fi circuit board (31) and a Wi-Fi antenna (33) are also disposed in the housing. The Wi-Fi circuit board is electrically connected with the camera main control board. The camera is fixed on the housing. The gimbal achieves the independent Wi-Fi transmission, so that the structure is simplified.