Recognization method for object rotary inertia having complex irregularity structure
A technology of moment of inertia and identification method, which is applied in the field of identification of moment of inertia of complex and irregular structure objects, and can solve the problems of large error in calculation results and lack of generality.
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[0081] An embodiment flow chart of a method for estimating the moment of inertia of a complex and irregular structure object based on the system identification technology proposed by the present invention is as follows Figure 4 As shown, it specifically includes the following steps:
[0082] 1. Use 4 identical springs (stubborn coefficient k=1.109×10 4 N / m 2 ) to support the object under test on a rigid beam. The support point is required to be symmetrical about the center of the object. The specific position is not limited, but it is better to be close to the edge of the object under test. In this example, figure 2 Middle A 1 、A 2 、A 3 、A 4 shown;
[0083]2. Install 4 electromagnets on the measured object (electromagnetic constant K=1.660×10 -4 N m 2 / A 2 , mass m=1.320kg) and 4 displacement sensors (Beijing Kunlun Coastal Sensing Technology Center ST-1 type eddy current sensor), the installation position also needs to meet the symmetry, the specific position is no...
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