Festo Se &Co. Kg

Daniel Klassen

Gerhard Gommel

Valentin Falkenhahn

David Rager

Rüdiger Neumann

Aleg Vilinski

Silvia Gramling

A compressed air provision device () for carrying out a closed-loop control, in particular a closed-loop position control and/or a closed-loop pressure control, on the basis of controller parameters (RP), wherein the compressed air provision device () has a machine-learning model () and is designed to provide, using the machine-learning model (), the controller parameters (RP) on the basis of entered system parameters (SP) which describe physical properties of a system () in which the compressed air provision device () is to be used, and to carry out the closed-loop control on the basis of the provided controller parameters (RP).

Compressed air provision device and method

A system including a pneumatic actuator having an actuator element, the system further including a compressed-air provision device which is configured to carry out a closed-loop position control of the actuator element by applying compressed air to the pneumatic actuator. The compressed-air provision device is further configured to carry out an assistance procedure in which the actuator element is set in an oscillation movement, pressure values and position values are detected, and, on the basis of the detected pressure values and the detected position values, friction information and/or mass information is determined and/or verified.

System and method for determining friction information

A flow controller includes a valve unit for influencing the flow of a fluid through a fluid channel, a flow sensor for detecting the flow of the fluid through the fluid channel, a pressure sensor arrangement for detecting a fluid pressure of the fluid, and a control unit which is adapted to, in response to the flow being within a measurement range of the flow sensor, assume a first operating mode, and, in the first operating mode, to perform a first closed-loop flow control on the basis of the flow detected by the flow sensor, and, in response to the flow being outside the measurement range of the flow sensor, assume a second operating mode, and, in the second operating mode, to perform an open-loop flow control on the basis of the detected fluid pressure and/or to perform a second closed-loop flow control on the basis of the detected fluid pressure.

Flow controller, valve arrangement and method

A method for operating a fluid system including the steps: receiving or determining a set value for a stroke of the working valve, determining an actual value for the stroke of the working valve using a sensor signal of a position sensor, determining a deviation value of a working valve in dependence on sensor signals of a supply pressure sensor and a working pressure sensor and a position sensor and a sensor system, and performing a processing of the set value for the stroke of the working valve, the actual value for the stroke of the working valve and the deviation value to a control signal for driving the working valve.

Method of operating a fluid system, fluid system and computer program product

A system, including: a fluidic actuator which can be acted upon by a pressurized fluid and has an actuator member, a pressurized fluid provision device which is adapted to carry out a position control of the actuator member and, within the position control, to act upon the fluidic actuator with the pressurized fluid in order to move the actuator member into a prescribed position, and a hose arrangement, including at least one hose via which the fluidic actuator is fluidically connected to the pressurized fluid provision device, wherein the pressurized fluid provision device is adapted to carry out the position control taking into account a system model describing the hose arrangement, the actuator and/or the pressurized fluid provision device.

System and method including a fluidic actuator and a pressurized fluid provision device

A trajectory planning unit for providing a trajectory as a command variable for a control unit for position control of an actuator member of an actuator, wherein the trajectory planning unit is adapted to provide the trajectory on the basis of a target position curve and to limit the trajectory according to at least one limit value comprising a velocity limit value, an acceleration limit value, a braking acceleration limit value and/or a jerk limit value. The trajectory planning unit is adapted to provide the trajectory according to at least one specification value which can be specified, the specification value including an initial velocity value, a final velocity value, an initial acceleration value and/or a final acceleration value.

Trajectory planning unit, valve arrangement and method

A system including a pneumatic actuator with an actuator member and a compressed air supply device which is configured to apply compressed air to the pneumatic actuator in order to set the actuator member in an actuator member movement towards an end position of the pneumatic actuator, wherein the compressed air supply device is further configured to provide an end position damping for the actuator member movement and, during the end position damping, to adjust a conductance value of a discharge valve, via which the compressed air supply device discharges compressed air from a pressure chamber of the pneumatic actuator which pressure chamber counteracts the actuator member movement, in accordance with a conductance characteristic in dependence of a driving force acting on the actuator member.

System and method for end position damping

A system (), including: a fluidic actuator () which can be acted upon by a pressurized fluid and has an actuator member (), a pressurized fluid provision device () which is adapted to carry out a position control of the actuator member () and, within the position control, to apply the pressurized fluid to the fluidic actuator () in order to move the actuator () into a prescribed position, the pressurized fluid provision device () being adapted to carry out the position control taking into account at least one system parameter, which describes a physical property of the system and/or a requirement parameter which defines a requirement for the positioning of the actuator (), wherein the pressurized fluid provision device () is further adapted to perform an assistance procedure and to determine and/or verify, within the assistance procedure, the system parameter and/or the requirement parameter on the basis of a movement of the actuator () and/or a consideration of physical limits.

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Esslingen, Germany

Daniel Klassen