Abstract: An actuator device including a magnetic field sensor device and a drive arrangement for performing a drive movement. The drive arrangement has a rotary movement part which includes a first magnetic element and, as part of the drive movement, changes its rotational position relative to the magnetic field sensor device over a rotational position angle range of more than one revolution, and a linear movement part coupled to the rotary movement part, which includes a second magnetic element and performs a linear movement relative to the magnetic field sensor device as part of the drive movement. The magnetic field sensor device is configured to detect the magnetic fields of the first magnetic element and the second magnetic element. The actuator device further includes an evaluation unit which is configured to determine a rotational position of the rotary movement part that is unambiguous with respect to the rotational position angle range.

Abstract: A valve system for supplying a pneumatic actuator, with a first valve group which is connected to a supply connection, to an exhaust connection and to a first working connection; with a second valve group which is connected to the supply connection, to the exhaust connection and to a second working connection; with a first pressure sensor connected with the first working connection; with a second pressure sensor connected with the second working connection; with a controller for processing a first pressure signal from the first pressure sensor and a second pressure signal from the second pressure sensor, the controller comprising a first pressure regulator for controlling the first valve group and a second pressure regulator for controlling the second valve group, the controller setting a first maximum pressure level for the first pressure regulator and setting a second maximum pressure level for the second pressure regulator.

Abstract: A method for operating a fluid system, which has a control device with a control functionality and a piezoelectric valve assembly that can be controlled by the control device. The method involves the following steps: providing a target working pressure at the working connection, measurement of the actual working pressure at the working connection by the pressure sensor, transmitting the measurement data to the control device and applying the algorithm to compare the actual working pressure with the target working pressure, activating the at least one integrator to integrate the control deviation of the control voltage (=offset voltage) after the actual working pressure is constant over a certain time period, and changing the control voltage as a function of the determined target/actual deviation taking into account the integrator operation.

Abstract: A pneumatic system, including a valve arrangement with a carrier section and several valve modules which are arranged in or on the carrier section, in which each valve module includes at least one valve unit and in which the carrier section comprises a plurality of working ports. Each working port can be selectively pressurised or exhausted via a respectively assigned valve unit. The pneumatic system further includes a hose arrangement and at least one pneumatic consumer with a compressed air receiving space which via the hose arrangement is pneumatically connected to at least two of the working ports, so that by way of this the valve units which are assigned to these working ports are pneumatically interconnected and the compressed air receiving space can be simultaneously pressurised and/or exhausted via at least these two interconnected valve units.

Abstract: A compressed air provision device (4) 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 (4) has a machine-learning model (55) and is designed to provide, using the machine-learning model (55), the controller parameters (RP) on the basis of entered system parameters (SP) which describe physical properties of a system (100) in which the compressed air provision device (4) is to be used, and to carry out the closed-loop control on the basis of the provided controller parameters (RP).

Abstract: A method for operating a fluid system, which has a control device with a control functionality and a piezoelectric valve assembly that can be controlled by the control device. The method involves the following steps: providing a target working pressure at the working connection, measurement of the actual working pressure at the working connection by the pressure sensor, transmitting the measurement data to the control device and applying the algorithm to compare the actual working pressure with the target working pressure, activating the at least one integrator to integrate the control deviation of the control voltage (=offset voltage) after the actual working pressure is constant over a certain time period, and changing the control voltage as a function of the determined target/actual deviation taking into account the integrator operation.

Abstract: A method and device for determining a piston or wheel position in a pneumatic drive and/or gripper system, comprising a wheel/piston arrangement which has a wheel and a piston coupled to the wheel. The method for determining a piston or wheel position in a pneumatic drive and/or gripper system may have a plurality of steps. In a first step, a defined system stimulus of the pneumatic drive and/or gripper system is triggered. In a further step, a system response of the pneumatic drive and/or gripper system is detected as a reaction to the defined system stimulus. Furthermore, it is provided that a parameter dataset is received. Furthermore, the piston or wheel position is determining by performing a position calculation prescription, on the basis of the detected system response, using the received parameter dataset and a comparison against the periodic, non-unique angle-of-rotation signal.

Abstract: A pneumatic system, including a valve arrangement with a carrier section and several valve modules which are arranged in or on the carrier section, in which each valve module includes at least one valve unit and in which the carrier section comprises a plurality of working ports. Each working port can be selectively pressurised or exhausted via a respectively assigned valve unit. The pneumatic system further includes a hose arrangement and at least one pneumatic consumer with a compressed air receiving space which via the hose arrangement is pneumatically connected to at least two of the working ports, so that by way of this the valve units which are assigned to these working ports are pneumatically interconnected and the compressed air receiving space can be simultaneously pressurised and/or exhausted via at least these two interconnected valve units.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A method for determining stability of a vehicle having a load suspended from the vehicle is provided. The method can include obtaining measurements from a plurality of sensors positioned on the vehicle, obtaining a measurement from a vehicle accelerometer operative to determine an inclination of the vehicle, determining a position of the load suspended from the vehicle, determining a slung load of the load suspended from the vehicle, using the determined slung load and the determined position of the load suspended from the vehicle, determining tipping moments acting on the vehicle, determining righting moments acting on the vehicle and determining a tipping stability based on the determined tipping moments and determined righting moments.

Abstract: 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.

Abstract: 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.

Abstract: A method for determining stability of a vehicle having a load suspended from the vehicle is provided. The method can include obtaining measurements from a plurality of sensors positioned on the vehicle, obtaining a measurement from a vehicle accelerometer operative to determine an inclination of the vehicle, determining a position of the load suspended from the vehicle, determining a slung load of the load suspended from the vehicle, using the determined slung load and the determined position of the load suspended from the vehicle, determining tipping moments acting on the vehicle, determining righting moments acting on the vehicle and determining a tipping stability based on the determined tipping moments and determined righting moments.

Abstract: 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.

Abstract: A system (100), including: a fluidic actuator (2) which can be acted upon by a pressurized fluid and has an actuator member (3), a pressurized fluid provision device (4) which is adapted to carry out a position control of the actuator member (3) and, within the position control, to apply the pressurized fluid to the fluidic actuator (2) in order to move the actuator (3) into a prescribed position, the pressurized fluid provision device (4) 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 (3), wherein the pressurized fluid provision device (4) 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 (3) and/or a consideration of physical limits.

Abstract: A pipelayer machine is provided. The pipelayer machine has a main body, a boom pivotally connected to a first side of the main body, a hook winch provided on the first side of the main body and a boom winch provided on the second side of the main body. The boom winch and the hook winch can be connected to a structural assembly that positions the boom winch proximate the second side of the main body and positions the hook winch proximate the first side of the main body of the pipelayer machine. The hook winch can be provided in a hook winch frame and the hook winch frame can form a structural member in the structural assembly.

Abstract: A compressed air provision device (4) 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 (4) has a machine-learning model (55) and is designed to provide, using the machine-learning model (55), the controller parameters (RP) on the basis of entered system parameters (SP) which describe physical properties of a system (100) in which the compressed air provision device (4) is to be used, and to carry out the closed-loop control on the basis of the provided controller parameters (RP).

Abstract: 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.