The gyroscope is a device used to sense and maintain the direction, based on the theory of angular momentum immortality. The gyroscope is mainly composed of a wheel that can be rotated at the axis. Once the gyroscope begins to rotate, the gyroscope has a tendency to resist the change of direction due to the angular momentum of the wheel. Gyros are mostly used in navigation, positioning and Other systems.
In 1850, the French physicist J. Foucault first discovered the rotor in high-speed rotation in order to study the rotation of the earth. Due to inertia, its axis of rotation always points in a fixed direction. He uses the Greek word gyro (rotation). ) and skopein (see) the word gyro scopei to name this instrument.
At that time, I often heard people say three-axis, six-axis, nine-axis gyroscopes. What are the differences? Let's learn about it with Xiaobian.
The difference between a three-axis gyroscope and six axesThe axis gyroscope is a comprehensive dynamic information that senses Roll (left and right tilt), Pitch (forward and backward tilt), and Yaw (left and right swing).
The 6-axis gyroscope is a combination of a three-axis accelerator and a three-axis gyroscope.
The three-axis accelerator is the acceleration in the axial direction of the XYZ (three directions of the three-dimensional space, front, rear, left and right). For example, if you suddenly push the product with the 6-axis gyroscope forward, it knows that you are accelerating forward. Thereby achieving an operation similar to the acceleration of the car.
Simply put, the 6-axis has a 3-axis function, but it is a bit more advanced.
The triaxial accelerator detects lateral acceleration, and the three-axis gyroscope detects angular rotation and balance, and together they are called six-axis sensors.
There are more and more games that support gyroscopes, such as flying games such as paper airplanes, racing games, and sports games.
The difference between the six axes and the difference between the nine-axis gyroscopeThe so-called six-axis gyroscope is called a six-axis motion sensor. It is a combination of a three-axis gyroscope and an accelerometer. If there is a three-axis gyroscope and an accelerometer, it has six-axis motion sensing.
The nine-axis sensing components are: three-axis accelerometer, three-axis gyroscope, three-axis magnetometer, and then Euler angle plus quaternion data fusion.
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