A method of detecting blocking of a rotor of a motor driving an actuator member with movement in translation between a first abutment and a second abutment, the method comprising the steps of, during an angular movement of the rotor, estimating at least a position (X) of the actuator member relative to the two abutments, a travel direction of the actuator member relative to the two abutments, and also a travel speed (V) of the actuator member; and on the basis at least of the estimated position of the actuator member, of the estimated travel direction of the actuator member, and of the estimated travel speed of the actuator member, detecting blocking of the rotor.

A method of detecting blocking of a rotor of a motor driving an actuator member with movement in translation between a first abutment and a second abutment, the method comprising the steps of, during an angular movement of the rotor, estimating at least a position (X) of the actuator member relative to the two abutments, a travel direction of the actuator member relative to the two abutments, and also a travel speed (V) of the actuator member; and on the basis at least of the estimated position of the actuator member, of the estimated travel direction of the actuator member, and of the estimated travel speed of the actuator member, detecting blocking of the rotor.

A drive device for a vehicle flap includes an electric motor (2) for driving the vehicle flap, and a supply switching circuit (3). The supply switching circuit (3) includes a first voltage source (9) for supplying current to the electric motor (2), a first electrical supply line (4) and a second electrical supply line (5). The first voltage source (9) is arranged between the first electrical supply line (4) and the second electrical supply line (5). The drive device also includes a control switching circuit (12) including a second voltage source (14) and a switching control device (13). The drive device includes a switching element (10) and a diode (11) connected between the first electrical supply line (4) and the second electrical supply line (5).

A control unit controls an electric motor based on position data on a window glass, and controls an opening-closing operation of the window glass. The control unit includes a reverse rotation detector which detects a reverse rotation operation of the window glass, a reverse rotation prevention controller which performs reverse rotation prevention processing of the electric motor when a reverse rotation is detected, and a position data correction unit which corrects position data on the window glass in an initial operation after occurrence of a reverse rotation operation. If a pulse signal associated with rotation of the electric motor is not input in an initial operation after the detection of the reverse rotation operation, the position data correction unit determines that the window glass has reached a top dead center position, stops the motor, and corrects the position data with the position data at that time as an origin position.

A method of detecting blocking of a rotor of a motor driving an actuator member with movement in translation between a first abutment and a second abutment, the method comprising the steps of, during an angular movement of the rotor, estimating at least a position (X) of the actuator member relative to the two abutments, a travel direction of the actuator member relative to the two abutments, and also a travel speed (V) of the actuator member; and on the basis at least of the estimated position of the actuator member, of the estimated travel direction of the actuator member, and of the estimated travel speed of the actuator member, detecting blocking of the rotor.

Provided is a safety power window controlling method including an operation in which a ripple current detector detects a ripple current by removing high-frequency noise from an output current signal of a four-pole stator motor; an operation in which an amplifier receives a ripple current as a first input signal, receives a reference voltage as a second input signal, and outputs an amplified current signal obtained by amplifying the first input signal to a level of the reference voltage; and detecting the amplified current signal output by the amplifier as a valid signal by using at least two preset reference values.

A device having an armature including a main wall; a rotary part intended to be mechanically coupled to a control shaft of an electrical switching unit; a bar integral with the rotary part and able to rotate between a first position and a second position and extending through a slot in the main wall; a position sensor having a movable contact pushed into a retracted position by the bar when the bar is in the first position; a stabilizing device having a resilient strip extending along the slot in order to exert a retaining force on the bar when it is in the first position.

A window control device for a vehicle, and a method therefor, include a driving motor configured to drive a window glass, a first sensor configured to generate one pulse signal corresponding to a rotation of the driving motor, a second sensor configured to sense a voltage signal provided to the driving motor, and a controller configured to perform a safety function based on the one pulse signal generated by the first sensor and the voltage signal sensed by the second sensor. Although a fault occurs in one of two hall sensors, the window control device may normally perform the safety function.

An anti-pinch method for an apparatus for automatic movement of sliding windows including the steps of: receiving at least one electrical quantity (e.sub.a, i.sub.a) of the motor (M); counting (R.sub.c) oscillation periods (R.sub.d) of the at least one electrical quantity (e.sub.a, i.sub.a); calculating an angular position ((t)) of the motor (M) as a function of the number of periods (R.sub.c) of the electrical quantity (e.sub.a, i.sub.a); calculating a position of the window (F) as a function of said angular position ((t)) of the motor (M); and reversing the direction of rotation of the motor (M) if the position of the window (F) falls within an anti-pinch zone (APZ) and the movement of the motor (M) is at least partially blocked.

Disclosed is an anti-pinch control system. The anti-pinch control system includes a motor configured to generate driving force for moving a seat of a vehicle, a current measurement sensor configured to measure a current value generated in the motor, a hall sensor configured to measure a revolution per minute (RPM) of the motor, and a controller configured to derive an average of current values measured by the current measurement sensor during an edge generating time during which a specific number of edges are generated by the hall sensor, and to set, to an anti-pinch value, a value obtained by adding a rising value, corresponding to current that increases when a pinch occurs in the seat, to the average, wherein the controller derives the average for each specific RPM and updates the anti-pinch value.