Three-dimensional coordinate acceleration measuring circuit
A technology of acceleration measurement and three-dimensional coordinates, which is applied in multi-dimensional acceleration measurement and acceleration measurement using inertial force, etc., can solve the problems of slow data sampling refresh rate, non-synchronous acquisition of three-dimensional coordinate acceleration, and inability to perform three-dimensional synthesis, etc., to achieve high Measuring the effect of the response
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[0014] The present invention will be further described below in conjunction with accompanying drawing.
[0015] see figure 1 , the figure shows the implementation of the three-dimensional coordinate acceleration measurement circuit.
[0016] In this embodiment, the X-axis acceleration measurement circuit Ax, the Y-axis acceleration measurement circuit Ay, and the Z-axis acceleration measurement circuit Az all use the Freescale acceleration measurement circuit MMA8452Q, and the data processing MCU uses a Philips single-chip microcomputer P89C321, wherein:
[0017] The MMA8452Q responsible for measuring the X-axis acceleration Ainx, its power signal output Dx is connected to the corresponding pin of the synchronous clock signal CKx and P89C321;
[0018] The MMA8452Q responsible for the Y-axis acceleration Ainy measurement, its power signal output Dy and the synchronous clock signal CKy are connected to the corresponding pins of P89C321;
[0019] The MMA8452Q responsible for th...
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