Abstract: A power semiconductor circuit is provided for clamping the voltage across the circuit during a fault. The circuit may include a power semiconductor switch, a clamping branch coupled in parallel with the power semiconductor switch, a snubber branch coupled in parallel with the power semiconductor switch and the clamping branch, and an isolation switch coupled in series with the power semiconductor switch. The clamping branch may include a first capacitor and a surge arrester coupled in parallel with a first resistor. The first capacitor may be coupled in series with the surge arrester and the first resistor. The snubber branch may include a second capacitor, a plurality of resistors, and a diode.

Abstract: A high-level motion controller provides a lower-level thrust allocation with generalized forces demanded on the ship for the current instant of time as well as a prediction of future generalized forces { ? ˆ D } t = 0 T demanded over a predicted future time, and optionally one or more other reference predictions, such as a time-varying velocity and position of the ship { ? ^ D , v ^ D } t = 0 T . When predictions of the future desired forces and torque are made available to the lower-level thrust allocation, the lower-level thrust allocation will be aware of what is needed in the future and use the predictions to make efficient changes towards the desired future references, when it generates control signals to thrusters available in the thruster system to distribute the desired generalized forces into individual forces of the individual thrusters.

Abstract: A flow-cell device for sensing electrochemical process parameters includes a cell housing, a sensor housing for receiving a sensor arranged at a side of the cell housing and protruding into the cell housing; and a motor arrangement arranged at the cell housing for stirring the liquid when the flow-cell device is in operation.

Abstract: A system and method for detecting stator inter-turn fault in induction machines includes receiving a time series data of a stator current using a plurality of current sensors connected to a stator of the induction machine, determining first and second signature time series data of stator current using fundamental components and harmonic components of the stator current, determining first and second scaled signatures using an Unbalance Factor, determining a discrimination factor, and detecting a stator inter-turn fault when the discrimination factor is greater than a predetermined stator inter-turn fault threshold value.

Abstract: A method for modeling a working environment of a robot comprising providing a robot having a base, a reference point, a plurality of links by which the reference point is movably connected to the base, and sensors for detecting positions of or angles between the links, providing a controller adapted to associate a position of the reference point to detected positions or angles between of the links, installing the base in a working environment which is delimited by at least one surface, moving the reference point to at least one sample point of the at least one surface, determining the position of the sample point from positions of or angles between the links detected while the reference point is at the sample point, and inferring the position of the surface from the determined position.

Abstract: An I/O module arrangement for a process control system having a first base plate for at least one I/O module, the first base plate including a first socket for a first I/O module and a first set of connection terminals for connection of the first I/O module to a first set of wires leading to a first group of field devices of the process control system, the first base plate being adapted to allow the first and any other I/O module that is attached to it to be any type of I/O module operating on input and output of any type of field device.

Abstract: A strut channel assembly for constructing a heavy-duty trapeze system in an industrial facility is provided. The strut channel assembly includes an elongated strut channel including a bottom wall, a first side wall, and a second side wall. The first side wall and the second side wall extend from the bottom wall and facing one another, the first side wall forming a first longitudinal rail, the second side wall forming a second longitudinal rail facing the first longitudinal rail. Each of the first longitudinal rail and the second longitudinal rail includes a first elongated rail surface, and a second elongated rail surface intersecting the first elongated rail surface at a non-zero angle. The first longitudinal rail and the second longitudinal rail are configured to facilitate sliding of a nut thereon.

Abstract: A system and method for determining a temperature of a medium within a pipe and/or an inner surface temperature of the pipe, including obtaining temperature measurement data from first and second temperature sensors, the data indicative of a temperature of an outer surface temperature of the pipe and of an ambient temperature of a surrounding of the pipe; wherein the temperature sensors are provided within a holding element; processing the temperature measurement data by a First Principal Artificial Intelligence (FP-AI) comprising a partial differential equation (PDE) and; determining the temperature of the medium and/or an inner surface temperature of the pipe from the processing by the FP-AI.

Abstract: A method for determining a response time (RT) for a non-invasive temperature sensor includes obtaining temperature measurement data, wherein the temperature measurement data is at least indicative of an outer surface temperature of the pipe, measured by the non-invasive temperature sensor; obtaining process parameter data indicative of pipe and/or media characteristics; determining a time constant indicative for a physical delay effect, based on the process parameter data and temperature measurement data; and determining the RT for the non-invasive temperature sensor based on the time delay parameter data.

Abstract: A method and apparatus for operating a pump system comprising a rotary pump, a three-phase induction motor operably coupled to the rotary pump, and an AC drive operably coupled to the induction motor, the apparatus being configured to supply the induction motor with a three-phase AC voltage at multiple different angular velocities, monitor an output current of the AC drive generated in response to the supplied voltage at the multiple different angular velocities, determine an angular velocity of the supplied voltage at which at least one predetermined characteristic in the monitored output current is detected and determine a rotational velocity corresponding to the determined angular velocity as an estimate of the rotational velocity of the motor, wherein the pump system is operated on the basis of the determined estimate of the rotational velocity of the motor.

Abstract: A computer-implemented broker entity receives from a requesting device a request for one or more target values of state information that have sought target semantic meanings; obtains one or more source values of state information that are associated with given source semantic meanings; obtains at least in part from a transformation library one or more transformations, wherein each transformation maps one or more first values that are associated with first semantic meanings to one or more second values that are associated with second semantic meanings; applies the one or more transformations or a new transformation obtained based on the one or more transformations to the source values of state information, thereby obtaining the one or more target values of state information; and transmits the one or more target values to the requesting device.

Abstract: A method of programming a manipulator, the method including providing a movement path for execution by the manipulator, the movement path having a plurality of points including a start point and an end point and at least one movement segment between the plurality of points; moving the manipulator to a path modifying position; and modifying the movement path from the start point to the end point based on the path modifying position upon receiving a modification input from a user. A control system for programming a manipulator, and an industrial robot including the manipulator and a control system, are also provided.

Abstract: A method for device monitoring includes: providing a plurality of fleet measurement data for at least one device, where the plurality of fleet measurement data includes a number of fleet device data measurements “Nfleet;” providing a plurality of device measurement data for a monitored device, where the plurality of device measurement data includes a number of monitor device data measurements “Ndata;” determining a fleet distribution “Fdist” determined as a distribution of differences between consecutive measurements of the plurality of fleet measurement data; determining a device distribution “Ddist” determined as a distribution of differences between consecutive measurements of the device measurement data; determining an effective number of data measurements “Neff;” and determining a probability of failure of the monitored device, the determining including utilising the fleet distribution “Fdist,” the device distribution “Ddist,” the number of monitor device data measurements “Ndata,” and the effective numb

Abstract: An articulated fitting assembly for fabricating an electrical conduit raceway of an electrical system is provided. The fitting assembly includes a hollow cap and a hollow fitting The fitting includes a head having the first fitting end and including an arcuate fitting surface, and a fitting body having the second fitting end and extending from the head. The first fitting end is received in the second cap end, the cap coupled with the fitting at the arcuate fitting surface. The cap is positionable at a longitudinal angle between 0° and 360° with the fitting and at a radial angle in a range with the fitting. The fitting assembly is sized to receive electrical wires of the electrical conduit raceway therethrough.

Abstract: Computer implemented method for determining boundary thermal resistance data (Rbl) of a boundary layer (15), comprising the following steps: obtaining first temperature data (T1) from a first temperature sensor (13), which is arranged at a first pipe section (S1); obtaining second temperature data (T2) from a second temperature sensor (14), which is arranged at a second pipe section (S2); wherein the first temperature sensor (13) and the second temperature sensor (14) are non-invasive temperature sensors; providing process condition data (P); determining boundary thermal resistance data (Rbl) of a boundary layer (15) of the fluid (11) next to an inner surface (16) of the wall of the pipe (12) based on the process condition data (P) and/or based on the first temperature data (T1) and/or the second temperature data (T2).

Abstract: A device for extinguishing arcs in an electrical circuit includes a first arc chamber configured to divide a first part of an arc into a plurality of subsidiary arcs, a second arc chamber configured to divide a second part of the arc into a plurality of subsidiary arcs; wherein the first arc chamber and the second arc chamber are connected by a connection element configured to guide the second part of the arc from the first arc chamber to the second arc chamber.

Abstract: A flying capacitor converter comprises a converter input comprising a positive pole and a negative pole, an output terminal, and a plurality of cells, each cell comprising two switches and a flying capacitor arranged between each cell. A method for detecting a plurality of faults in the converter includes measuring, by a second current sensor arranged at the positive pole, a second current; measuring by a third current sensor arranged at the negative pole, a third current; and detecting a first fault in the flying capacitor converter when the second current or the third current exceeds a first current threshold, and/or when a gradient of the second current or a gradient of the third current exceeds a first gradient threshold.

Abstract: A first gateway device for connecting an OPC UA client to a data-driven controller and/or control system includes a first interface implementing an OPC UA server and is configured to receive, from the OPC UA client, at least one call to invoke an OPC UA method on an OPC UA object, and a second interface that sends a request to write at least one value to at least one control variable of the data-driven controller and/or control system, and first translation logic therebetween. A second gateway device connects a data-driven controller and/or control system to a controlled device or subsystem of an industrial plant and includes a third interface that receives a value of a control variable, and a fourth interface that sends a call to invoke an OPC UA method on an OPC UA object, and second translation logic therebetween.

Abstract: A system for managing the load profile of an electric network is provided. The system includes: a plurality of loads, and each respective load of the plurality of loads is assigned a priority, an energy storage system, and a controller. The controller is configured to determine a predicted energy usage of the electric network at an end of a time period, based on comparing the predicted energy usage to a target energy usage, determine an adjustment of the plurality of loads based on the respective priority of each respective load. Based on the adjustment of the plurality of loads and a charge of the energy storage system, the controller dynamically assigns a priority to the energy storage system, and performs the adjustment of the plurality of loads and the energy storage system using the respective priority of each respective load and the dynamically assigned priority of the energy storage system.

Abstract: A modular flow-cell unit includes a mechanical fixing interface configured for receiving a further modular flow-cell unit and also includes a fluid interface configured for receiving fluid from the further modular flow-cell unit or for transferring fluid to the further modular flow-cell unit. The modular flow-cell unit is configured to be connected to the further modular flow-cell unit for a flow-cell assembly including a first modular flow-cell unit and a second modular flow-cell unit. The modular flow-cell unit includes a lateral plate and a protruding edge. The modular flow-cell unit can be connected via a connection element insertable into the protruding edge of each of the modular flow-cell units.