A method for carrying out a closing operation of a closing part device of a vehicle driven by an electric motor drive unit is disclosed. The method has the following steps: ascertaining friction force data that represent a current stiffness of the closing device using a machine learning method that has been trained with reference friction force data from past closing operations as input data, wherein the input data are transmitted to a server apparatus that is configured to ascertain the friction force data using the machine learning method, ascertaining target drive power data, taking the friction force data into consideration, for the drive unit, and operating the drive unit based on the ascertained target drive power data to carry out the closing operation in at least one subsequent closing operation.

A drive arrangement for motorized adjustment of a cargo-space-tailgate arrangement of a motor vehicle the cargo-space-tailgate arrangement including a cargo-space tailgate adjustable between an open position and a closed position, the drive arrangement includes an electric drive, for providing a drive force, and a control arrangement for activating the electric drive. The drive arrangement includes an output element and a drive coupling. The output element transmits the drive force to the drive coupling for motorized adjustment of the cargo-space tailgate. The control arrangement activates the drive in an adjustment routine for motorized adjustment of the cargo-space tailgate to assist an actuation action introduced manually the cargo-space tailgate, and the control arrangement activates the adjustment routine based on an activation preset that is dependent on at least one friction parameter of the drive.

An entrance system (1) comprises a swing door member (10) having a door leaf (12), and a sensor unit (S1; S) mounted to the door leaf (12), the sensor unit comprising a door angle sensor (S1). The entrance system (1) further comprises an automatic door operator (30) having a motor (34) capable of causing movement of the door member (10), a controller (31) for controlling operation of the motor (34), and a linkage (40) connected to the automatic door operator (30) and the door leaf (12) for transferring torque generated by the motor (34) to the door leaf (12). The automatic door operator (30) is operable in a learn mode (60) and an operational mode (70). The controller (31) is configured, in the learn mode (60), to automatically establish a linkage reduction curve (65) by determining, for a movement of said door member (10) between a shut closed position (18) of said door leaf and a swung open position (19) of said door leaf, the torque required by said motor (34) to cause movement of said door leaf (12) at different door leaf angles (α), the different door leaf angles being determined from measurement readings of said door angle sensor (S1). The controller (31) is configured, in the operational mode (70), to compensate for a non-linear torque transfer characteristic of the linkage (40) by applying the linkage reduction curve (65) when controlling said motor (34) to cause the door member (10) to swing open.

A drive device for adjusting a vehicle assembly including an electromotive adjustment drive for adjusting the vehicle assembly and a control device for controlling the adjustment drive, the control device is configured to actuate the adjustment drive in a holding mode for holding the vehicle assembly. It is provided that the control device includes a regulation module for regulating a characteristic variable of the adjustment drive and a control module, wherein the regulation module is configured to determine a correcting variable for regulating the characteristic variable of the adjustment drive in the holding mode with reference to a specified setpoint value, and the control module is configured to evaluate a change of the correcting variable to detect an adjustment request for adjusting the vehicle assembly.

An egress entrance system (1) comprising a swing door member (10) having a door leaf (12), an initiate device (13) for initiating a panic opening, and an automatic door operator (30) is provided. The automatic door operator (30) has a motor (34) capable of causing movement of the door member (10), a controller (31) for controlling operation of the motor (34), and the automatic door operator (30) being operable in a testing mode (60) and an operational mode, wherein the controller (31) is configured, in the testing mode (60), to automatically determine at least one test parameter; and causing an action in response to the determined test parameter.

An open-close body controller includes a motor, movement interference determination unit, and disturbance determination unit. Motor is configured to open and close an open-close body of vehicle. Movement interference determination unit is configured to detect whether characteristic value of motor, which is varied in accordance with change in load applied to open-close body when moving, is in movement interference range or non-movement interference range bordering threshold value and determine that movement of open-close body has been interfered with by foreign object when characteristic value is in movement interference range. Disturbance determination unit is configured to determine whether motor is subject to effect of disturbance. Movement interference determination unit is configured to correct threshold value to narrow movement interference range based on varied amount of rotation amount of motor that corresponds to movement distance of open-close body when disturbance determination unit determines motor is subject to effect of disturbance.

A health status assessment method and system for a transport vehicle automatic or semi-automatic access device is disclosed. The health status assessment system has at least one leaf actuated by a kinematic chain including at least one motor having an associated angular position or rotation speed encoder and at least one switch. The health status assessment method includes steps for analyzing at least one actuating cycle of the kinematic chain between a first and a second position wherein, during one said cycle, information is acquired representative of the electrical energy consumed by the motor, or position or speed information provided by said encoder or binary information indicating positions of switches. The method further includes dividing said cycle into a plurality of functional segments based on said acquired information, calculating at least one descriptor value, and then establishing a health status diagnosis of the health status assessment system.

An entrance system (1) comprises a swing door member (10) having a door leaf (12), and a sensor unit (S1; S) mounted to the door leaf (12), the sensor unit comprising a door angle sensor (S1). The entrance system (1) further comprises an automatic door operator (30) having a motor (34) capable of causing movement of the door member (10), a controller (31) for controlling operation of the motor (34), and a linkage (40) connected to the automatic door operator (30) and the door leaf (12) for transferring torque generated by the motor (34) to the door leaf (12). The automatic door operator (30) is operable in a learn mode (60) and an operational mode (70). In the learn mode (60), the controller establishes a linkage reduction curve (65) relating a movement of said door member (10) with the torque required to move the door leaf (12) through different angles (). The door leaf angles are determined from measurement readings of said door angle sensor (S1). In the operational mode (70), the controller compensates for a non-linear torque transfer characteristic of the linkage (40) by applying the linkage reduction curve (65) to control the motor (34).

A method for allocating operating parameters to at least two local control units intended to control a door movement for a motor vehicle, wherein: a plurality of parameter records of operating parameters is stored in each local control unit; a plurality of values of a detection criterion is stored in each local control unit, said detection criterion being based on at least two values of an electric variable; for at least one local control unit, a value of the detection criterion is prepared using the electric variable; in each local control unit the detection criterion is queried; and, a parameter record is selected in accordance with the value of the detection criterion determined during the query, and the corresponding operating parameters are allocated to the local control unit.

An open-close body controller includes a motor, movement interference determination unit, and disturbance determination unit. Motor is configured to open and close an open-close body of vehicle. Movement interference determination unit is configured to detect whether characteristic value of motor, which is varied in accordance with change in load applied to open-close body when moving, is in movement interference range or non-movement interference range bordering threshold value and determine that movement of open-close body has been interfered with by foreign object when characteristic value is in movement interference range. Disturbance determination unit is configured to determine whether motor is subject to effect of disturbance. Movement interference determination unit is configured to correct threshold value to narrow movement interference range based on varied amount of rotation amount of motor that corresponds to movement distance of open-close body when disturbance determination unit determines motor is subject to effect of disturbance.