Digital actuator controller using low-pass filter

Details Digital actuator controller using low-pass filter Digital actuator controller using low-pass filter

1992-12-16

1994-12-27

Envall, Jr., Roy N.

Boots, shoes, and leggings

36416701, 360 75, 369 4429, G05B 1918, G11B 2102

Patent

active

053770960

ABSTRACT:
The digital actuator controller of the present invention reduces the effect of aliasing peculiar to the digital control by inserting a low-pass filter (LPF), which was considered inadequate in the past, between a digital-to-analog converter and a power amplifier to thereby reduce the gain in the high frequency region.

REFERENCES:
patent: 4536809 (1985-08-01), Sidman
patent: 4788608 (1988-11-01), Tsujisawa
patent: 5206570 (1993-04-01), Hargarten et al.
patent: 5257252 (1993-10-01), Barnes et al.

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