A Random Wave Reproduction Control Method for Electro-hydraulic Acceleration Servo System
A technology of servo system and control method, which is applied in the field of electro-hydraulic acceleration servo system control and random wave reproduction control of electro-hydraulic acceleration servo system. Convergence and the effect of improving control accuracy
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[0032] The present invention will be further described below in conjunction with the accompanying drawings. Such as figure 1 As shown, a random wave reproduction control method of an electro-hydraulic acceleration servo system includes the following steps:
[0033] A. Set the initial value of the number of iterations n, let n=1.
[0034] B. Assuming that the acceleration time-domain random wave reference signal is R(t), R(t) is transformed into R(f) through the Fourier transform module A1, and R(f) is the Fourier of the acceleration time-domain random wave reference signal The leaf transform signal is the acceleration frequency domain reference signal.
[0035] C. Combine R(f), D n-1 (f), C n-1 (f) and Z n-1 (f) input to the acceleration drive signal generation module 9, calculate the frequency domain drive signal D during the nth iteration n (f), the calculation formula is:
[0036]
[0037] Symbols in the formula Indicates the Hadamard product; D n-1 (f) is the ...
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