Control of a compacting machine
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United States of America Patent
Stats
-
Dec 9, 1997
Grant Date -
N/A
app pub date -
Sep 8, 1995
filing date -
Mar 8, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A roller machine for compacting is provided with control devices for varying the oscillation movement of the body. The movement of the body may be affected by a weight attached thereto. The oscillation of the vibration body is measured. From this measurement, the portion of the oscillation is determined having a frequency corresponding to half the excitation frequency and the portion for other oscillation, in particular the excitation frequency, are also determined. The excitation of the vibrating body is controlled so that the harmonic component having half the excitation frequency will be in a predetermined proportion of the component of the oscillation component. Such control avoids undesired oscillation movement.
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