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What is gimbal stabilizer?

smartphone/motion camera/GoPro gimbal stabilizer working principle

A gimbal stabilizer is a pivoted support that allows the rotation of smartphone or Gopro/motion camera. Handheld 3-axis gimbals are used in stabilization systems designed to give the camera operator the independence of handheld shooting without camera vibration or shake.

The Basic Working Principle of Handheld Gimbal Stabilizer

The origin of technology:

The technology of automatic stability and coordination system for UAV aerial photograph is transferred to the handheld shooting, to achieve the automatic stability and balance in the shooting process by smartphone or GoPro.

The core technology:

Self-adaptive 3-axis mixing PID algorithm; three kinds of technologies for motor control: DC brush, brushless DC, vector control; Most 3-axis stabilizers use DC brushless (BLDC) motors or vector control (FOC) motors.

Working Principle:

There are three high-precision brushless motors in three axial directions.

After collecting the data from the MEMS gyroscope and the acceleration sensor of the camera fixture plate, The jitter can be real-timely controlled in camera movements by 3D pose calculation and attitude control, so as to achieve the stability of the camera and various follow-up operation. Simple explanation: camera movements can be analysed through camera fixture plate to transmit data to the motor and control arm to prevent camera shake.

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