Automobile steering wheel rotating angle information collecting system and collecting method
A technology of steering wheel angle and information collection, applied in steering mechanism, vehicle components, linear/angular velocity measurement and other directions, can solve the problems of low accuracy of collected information, affecting the driver's operation, and easy wear and tear of components, achieving high measurement accuracy and convenient installation. , high stability and reliability
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specific Embodiment approach 1
[0041] Specific implementation mode one: as figure 1 As shown, an automobile steering wheel angle information collection system includes: a three-axis accelerometer 1, a three-axis angular velocity meter 2, a single-chip microcomputer 3, a power module 4, a Bluetooth sending module 5, a Bluetooth receiving module 6, a smart phone 7 and a portable computer 8;
[0042] The triaxial accelerometer 1 inputs the triaxial acceleration data to the acceleration input end of the single-chip microcomputer 3 through the output end of the triaxial accelerometer 1, and the triaxial angular velocity meter 2 inputs the triaxial angular velocity data to the single-chip microcomputer through the output end of the triaxial angular velocity meter 2. 3's angular velocity input terminal, the single-chip microcomputer 3 will receive the three-axis acceleration data and the three-axis angular velocity data after processing, and then input the output terminal of the single-chip microcomputer 3 to the i...
specific Embodiment approach 2
[0050] Specific embodiment 2: The difference between this embodiment and specific embodiment 1 is that the information collection device is installed on the side of the steering wheel trim, such as figure 2 and image 3 shown.
[0051] Other steps and parameters are the same as those in Embodiment 1.
specific Embodiment approach 3
[0052] Specific implementation mode three: as Figure 4 and Figure 6 Shown, a kind of automobile steering wheel angle information collection method comprises the following steps:
[0053] Step 1: the single-chip microcomputer 3 performs data preprocessing on the received triaxial acceleration data and triaxial angular velocity data; the preprocessing includes data reading, calibration and filtering; the three axes are x-axis, y-axis and z axis, x-axis and y-axis are perpendicular to each other on the plane of the information collection device, the plane formed by the x-axis and y-axis is parallel to the plane formed by the information collection device, and the z-axis is perpendicular to the plane formed by the information collection device (three-axis accelerometer and The three-axis angular velocity meter and the information acquisition device adopt the same coordinate system);
[0054] Step 2: the single-chip microcomputer 3 takes the three-axis acceleration along the po...
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