7. A control device for weft inserting in a jet loom, comprising: control means for inferring by fuzzy inference corrected values of a main pressure for weft inserting and a subpressure so as to make the last arrival timing to be attained at an objective value on the basis of quality information of a fabric, stop information of a weaving machine, and running information of a weft, and means for controlling said main pressure and subpressure on the basis of both the inferred corrected values.
8. A control device according to claim 7, wherein said quality information of a fabric is one or more parameters selected from the group consisting of weft slack, kinky thread and nap.