Abstract: A gimbal control method includes configuring, while a gimbal is in a power-on state, turning-off motor control parameters according to a mass of a camera device carried by the gimbal. The gimbal includes an electric motor. The turning-off motor control parameters are configured to control the electric motor when the gimbal is powered off or enters a sleep state. The method further includes, in response to the gimbal being powered off or entering the sleep state, controlling a torque of the electric motor to decrease gradually from a starting moment at which the gimbal is powered off or enters the sleep state according to the turning-off motor control parameters.

Abstract: An electric motor positioning device for an electric motor includes a photoelectric sensor and a positioning ring. The positioning ring includes a first area and a second area. The electric motor includes a rotor and a stator. The rotor is rotatably mounted on the stator. One of the photoelectric sensor and the positioning ring is fixed on the rotor and rotates with the rotor, and the other one of the photoelectric sensor and the positioning ring is fixed on the stator. A position of the photoelectric sensor relative to the positioning ring rotates within a predetermined range with a relative rotation between the rotor and the stator, and the predetermined range includes a boundary between a first area and a second area.

Abstract: An unmanned vehicle includes a body and a gimbal assembly arranged at the body. The gimbal assembly includes a shock-absorbing structure arranged inside the body, a connecting structure arranged outside the body, and a load arranged outside the body and fixedly connected to the shock-absorbing structure via the connecting structure.

Abstract: A method for suppressing a vibration of a gimbal includes obtaining state information of the gimbal, determining a vibration frequency of the gimbal according to the state information, and performing an operation of suppressing the vibration of the gimbal according to the vibration frequency of the gimbal.

Abstract: Disclosed embodiments pertain to apparatus, systems, and method for facilitating instrument visualization and use in robotic medical devices. In some embodiments, for one or more instruments coupled to a robotic medical device, one or more corresponding instrument positions relative to a current field of view (FOV) of least one image sensor coupled to the robotic medical device may be obtained. Feedback, which may haptic and/or visual, may be initiated for a selected instrument based on a position of the selected instrument relative to the current FOV.

Abstract: A motor includes a rotor housing, at least one magnet operably coupled to the rotor housing, a stator disposed within the rotor housing, and at least one sensor. The magnet corresponds to a rotor pole that provides a magnetic flux including a main flux and a leakage flux. The stator includes a plurality of stator poles. The main flux is configured to extend in a first direction towards at least one of the stator poles. The at least one sensor is configured to measure the leakage flux. The leakage flux is configured to extend in a second direction towards the at least one sensor. The first direction lies on a radial plane and the second direction lies out of the radial plane.

Abstract: A camera includes a housing, a lens assembly accommodated in the housing, a connection rod, and a circuit board. One end of the connection of the connection rod fixes the lens assembly in the housing. The circuit board is accommodated in the housing and supported by another end of the connection rod. The circuit board is spaced apart from the lens assembly.

Abstract: A gimbal on-board a vehicle includes a receiver and a gimbal control system. The receiver is configured to receive a gimbal mode signal indicative of user selection of a gimbal mode from a plurality of gimbal modes. Each gimbal mode of the plurality of gimbal modes causes one or more axes of the gimbal to be stabilized with respect to an environment of the vehicle. The gimbal control system is configured to receive gimbal control data indicative of an attitude of the gimbal, receive position data of the vehicle indicative of a location or an attitude of the vehicle, and generate simulated gimbal response data indicative of a simulated attitude of the gimbal based on (1) the gimbal mode signal, (2) the gimbal control data, and (3) the position data of the vehicle.

Abstract: A carrier for controlling torque delivery to a payload includes a carrier component configured to rotate about a carrier axis, a payload support structure coupled to the carrier component and configured to support the payload, and a rotational device coupled to the payload support structure. The rotational device includes a non-rotating portion directly coupled to the payload support structure and a rotating portion configured to rotate freely to provide a supplemental torque to the payload support structure to compensate for a torque transmission delay from the carrier component to the payload support structure when the carrier component rotates about the carrier axis.

Abstract: A control method for a non-orthogonal gimbal includes obtaining an actual attitude of the gimbal, determining a target attitude of the gimbal according to the actual attitude of the gimbal and an angle between a first rotation axis of a first drive motor and a second rotation axis of a second drive motor, determining an attitude error according to the actual attitude and the target attitude, and controlling one or more of a plurality of drive motors according to the attitude error to cause the gimbal to approach the target attitude. The gimbal includes the plurality of drive motors including the first drive motor, the second drive motor, and the third drive motor. The gimbal further includes a base, a first axis arm, a second axis arm, and a third axis arm.

Abstract: A carrier for controlling torque delivery to a payload includes a carrier component configured to rotate about a carrier axis, a payload support structure coupled to the carrier component and configured to support the payload, and a rotational device coupled to the payload support structure. The rotational device includes a non-rotating portion directly coupled to the payload support structure and a rotating portion configured to rotate freely to provide a supplemental torque to the payload support structure to compensate for a torque transmission delay from the carrier component to the payload support structure when the carrier component rotates about the carrier axis.

Abstract: Systems, devices and methods are provided for training a user to control a gimbal in an environment. The systems and methods provide a simulation environment to control a gimbal in a virtual environment. The virtual environment closely resembles a real control environment. A controller may be used to transmit simulation commands and receive simulated data for visual display.

Abstract: A method of obtaining a mechanical position of a motor for an ESC includes obtaining magnetic field strengths of two or more Hall sensors respectively and determining the mechanical position of the motor based on the magnetic field strengths of the two or more Hall sensors. The magnetic field strengths are obtained by measuring a magnetic leakage of two or more pairs of magnetic poles by the two or more Hall sensors. The motor includes two or more Hall sensors and two or more pairs of magnetic poles. The motor is connected to the ESC; a phase difference between the two or more Hall sensors is a preset angle; and arrangements between each pair of magnetic poles and the two or more Hall sensors are different.

Abstract: A gimbal camera includes a camera body, a camera main control board in the camera body, and an attitude-detection circuit in the camera body and independent from the camera main control board. The attitude-detection circuit is electrically connected to the camera main control board. The attitude-detection circuit includes an inertial measurement unit on one side of the attitude-detection circuit away from the camera main control board.

Abstract: A method for distance detection includes detecting a first distance value between a movable object and a target object in a target direction of the movable object, obtaining an inclination angle of the movable object at the target direction, and calculating a second distance value from the movable object to the target object based upon the inclination angle and the first distance value.

Abstract: A vibration reduction device includes a bracket configured to be mounted at a gimbal, a counterweight component movably connected to the bracket, and a damping material arranged between the bracket and the counterweight component. The counterweight component and the bracket are configured to move relative to each other when the bracket is subject to vibration, to drive the damping material to flow.

Abstract: A gimbal includes a photographing device, a support assembly carrying the photographing device, a connection assembly connected to the support assembly, and a plurality of shock absorption balls mounted at the connection assembly and configured to connect the gimbal to a vehicle body of an unmanned aerial vehicle (UAV). A geometric plane where geometric centers of the plurality of shock absorption balls are located is oblique relative to a horizontal direction.

Abstract: A method of image stabilization includes obtaining movement data for an imaging device mounted to a mobile platform, adjusting an input image acquired by the imaging device according to the movement data to obtain a stabilized image, and displaying the stabilized image according to a selected viewport.

Abstract: A method of stabilizing a payload fitted in a carrier includes providing a first carrier component of the carrier, supporting a second carrier component of the carrier using the first carrier component, and supporting a third carrier component of the carrier using the second carrier component. The first carrier component is configured to permit rotation of the payload about a pitch axis. The second carrier component is configured to permit rotation of the payload about a yaw axis. The third carrier component is configured to permit rotation of the payload about a roll axis and connects to the payload.

Abstract: A method for distance detection includes detecting a first distance value between a movable object and a target object in a target direction of the movable object, obtaining an inclination angle of the movable object at the target direction, and calculating a second distance value from the movable object to the target object based upon the inclination angle and the first distance value.