Textile flock feed control system and method

Details Textile flock feed control system and method Textile flock feed control system and method

1986-08-22

1987-07-28

Rimrodt, Louis K.

Textiles: fiber preparation

Working

Carding

19240, 19300, D01H 538, D01G 1540

Patent

active

046823883

ABSTRACT:
A control system and method for controlling the rate (Y) of fiber input (24) into a delivery system (28) in response to sensed fiber quantity (56) is disclosed. The control system generates a step control signal (C,D) in response to first deviations about a prescribed fiber quantity condition (1 or 1,2). Deviations of small magnitude caused by various fiber delivery conditions, i.e. fiber opening, duct friction, etc., are taken into account without overreacting to the variation. In response to deviations outside the range of the first deviations, an integrated ramp signal (E, F or 128, 124) is produced which automatically seeks a new level of fiber input rate. Such deviations are normally caused by changes in system requirements such as the changing consumption and production requirements of an associated carding machine (48) to which fibers are fed from a chute feed (42).

REFERENCES:
patent: 4161052 (1979-07-01), Erben
patent: 4494204 (1985-01-01), Hosel
patent: 4510647 (1985-04-01), Keller et al.

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