Method and circuit arrangement for the electrical control and/or regulation of the movement of an electrically driven unit

A circuit arrangement (SA) for controlling movement of an electrically driven unit (2), such as a window winder or a sunroof of a motor vehicle, the arrangement comprising:

• a jamming protection system in which a correlation quantity (K) for an adjusting force of the unit (2) is measured and an adjusting movement is stopped or reversed in order to prevent jamming if the correlation quantity (K) for the adjusting force exceeds a limiting value (fg) that corresponds to a predetermined jamming force;
• a filter (140) is provided for filtering the correlation quantity (K) for the adjusting force of the unit (2), characterized in that the filter (140) is controllable by means of at least one accompanying filter parameter (142, 143), wherein an alternating-signal component of the measured correlation quantity (K) or of another parameter proportional thereto is determined, and the filter parameter (142, 143) is controllable depending on this alternating-signal component.