Sz Dji Technology Co., Ltd.

Sz Dji Osmo Technology Co., Ltd.

Zihan Chen

Dahu Pan

Weifeng Liu

Zhiyuan Zhang

Chaobin Chen

Ye Tao

Shanguang Guo

Jingyuan Wang

Fazhan Chen

Zisheng Cao

Linchao Bao

Yanchong Zhao

Wen Xu

Tie Su

Peng Bin

Zhenyu Zhu

Pan Hu

Chengyu Yin

Xingwang Xu

Chenglin Mao

Qilong Yan

Wenlin Xie

Zhenhao Zhou

Yongze Qi

Yanchen Liu

An unmanned vehicle includes a body and a gimbal assembly arranged at the body. The body includes a bottom cover arranged at a bottom of the body. The gimbal assembly includes a shock-absorbing structure arranged inside the body and fixedly mounted at an inner bottom wall of the bottom cover, and a gimbal arranged outside the body and coupled to the shock-absorbing structure. The inner bottom wall is arranged inside the body and faces towards a top of the body.

Unmanned vehicle

The present disclosure provides a load stabilization device, a control method thereof, and a computer readable storage medium. In the load stabilization device, a motion sensor, a processor, a stabilization motor, and a parallelogram mechanism constitute a closed-loop feedback control system. A control instruction for the stabilization motor is generated based on a velocity of a second end of the parallelogram mechanism in a direction of gravity relative to a ground, where the second end may carry a load, and the stabilization motor is controlled to drive, according to the control instruction, the parallelogram mechanism to rotate relative to a base, so as to at least partially offset or compensate for jitter of the load carried at the second end of the parallelogram mechanism in the direction of gravity, suppress disturbance generated at a first end of the parallelogram mechanism, and stabilize the load carried at the second end.

Load stabilization device, control method thereof, and computer readable storage medium

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.

Gimbal control method and device

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.

Gimbal for image capturing

An unmanned aerial vehicle (UAV) includes a UAV body, and a stabilizing platform mounted on the UAV body and configured to stabilize a payload device. The stabilizing platform includes a frame assembly adapted to hold the payload device and a brushless motor coupled to the frame assembly. The brushless motor is configured to directly drive the frame assembly in response to one or more motor signals to allow the payload device to rotate around at least one of a pitch axis, a roll axis, or a yaw axis of the payload device. A brushless motor includes a rotor housing; a stator disposed within the rotor housing; and a linear Hall effect sensor. A posture of the payload device is controlled by adjusting a rotational angle of the brushless motor, and the rotational angle of the brushless motor is determined using the linear Hall effect sensor.

Motor positional sensing

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.

Control method for non-orthogonal gimbal, gimbal thereof, and storage device

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.

Method and device for acquiring mechanical position of electric motor

A method for controlling an attitude of a payload includes determining an input torque based on an input angle and one or more motion characteristics of the payload, determining an estimated disturbance torque based on one or more motion characteristics of a carrier to which the payload is coupled, and calculating an output torque based on the input torque and the estimated disturbance torque. The output torque is configured to effect movement of the carrier to achieve a desired attitude of the payload.

Method and system for stabilizing a payload

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.

Gimbal and unmanned aerial vehicle provided with gimbal

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.

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.

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.

Camera and photography assembly

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.

Stabilizing platform

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.

Systems and methods for gimbal simulation

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.

Growing community of inventors

Shenzhen, China

Zihan Chen