Rolls-Royce Solutions GmbH

A control device includes: a receiving unit, the control device being configured for controlling a technical system including at least one controllable component with respect to a target variable taking into consideration a forecast curve, which is provided with a plurality of values for a plurality of points in time in a future time period by the receiving unit; and an optimizer including an analysis unit configured for analyzing the forecast curve and an approximator configured for specifying an approximated forecast curve, the analysis unit being configured for setting a plurality of supporting points based on analyzed ones of the plurality of values of the forecast curve, and the approximator being configured for specifying the approximated forecast curve with the plurality of supporting points that are set based on the analyzed ones of the plurality of values of the forecast curve.

A device for guiding at least two fluid streams includes: a heat transfer element, which includes a gyroidal structure, which includes a main gyroid and a secondary gyroid intersecting to form an interleaved gyroid thereby forming at least a first channel system and a second channel system and an interstitial space system, the first channel system and the second channel system each including a first passage width, the interstitial space system including a second passage width, the first channel system and the second channel system being spatially separated from the interstitial space system, the interstitial space system including a support structure that penetrates other portions of the interstitial space system.

A method for operating a service provision network includes: providing the service provision network includes a first service provision device with a predeterminable performance and a second service provision device with a non-predeterminable performance; determining an operating plan for operating the network via a prediction horizon, depending on a load prediction of a load demand to the network and a performance prediction for the second service provision device for the prediction horizon, which is a respectively same predetermined prediction horizon; determining the operating plan depending on a load confidence interval of the load prediction and on a performance confidence interval of the performance prediction, such that, at any point in time within the prediction horizon, a current performance prediction for the network is at least as great as a current upper limit of the load confidence interval; and operating then the service provision network according to the operating plan.

A method for operating a microgrid includes: calculating, based on historical data including a historical input vector of an input quantity, a historical output vector of two output quantities of the microgrid, and a reference trajectory including target values for the two output quantities, a control input vector by minimizing a deviation between the plurality of target values and a predicted output vector, the microgrid including a power source and a dynamic load, the power source and the dynamic load being electrically coupled via an AC bus as a common connecting point; and controlling the power source with a subset of the control input vector as an actual control vector; wherein the two output quantities include a voltage amplitude and a frequency at the AC bus, and the reference trajectory includes nominal values for the voltage amplitude and the frequency as the target values.

A control device for measuring an internal combustion engine on a test bench includes: at least one interface, which is configured to receive a measured value measured at a measurement point of a parameter space of the internal combustion engine, spanned by at least one internal combustion engine parameter; a computing module, which is configured to adapt an internal combustion engine model based on the measured value—which is received—at the measurement point; and an optimization module, which is configured to determine a target function based on an adapted internal combustion engine model, to optimize the target function, and based on the target function—which is optimized—to determine a new measurement point in the parameter space.

A mixing device for mixing a reaction medium into a gas stream includes: a flow housing including an inlet wall with an inlet opening for the gas stream, an inflow direction of the gas stream enclosing an angle with a longitudinal axis; a swirling element, arranged in the flow housing opposite the inlet opening along the inflow direction and including sides facing toward and away from the inlet opening, the swirling element arranged such that (i) a first flow path for the gas stream is in the flow housing on the side facing toward the inlet opening and (ii) a second flow path for the gas stream is in the flow housing on the side facing away from the inlet opening; a metering device for metering the reaction medium into the flow housing and along a metering direction which is oblique to the inflow direction and to the longitudinal axis.

A method for operating a generator set includes: operating the generator set in synchronized manner to a power grid, which includes: synchronizing a generator voltage with a grid voltage; matching a generator voltage frequency and/or a generator voltage phase with a grid frequency and/or a grid voltage phase; operating generator set in synchronization mode to synchronize the generator voltage phase with the grid voltage phase; operating an engine in a phase control mode with adjustment of an engine phase to change the generator voltage phase; transmitting the grid voltage phase to a phase regulator; regulating, by the phase regulator, the engine phase to a phase difference, which is created by a difference between the generator voltage phase and the grid voltage phase; and setting a phase parameter formed as the combustion control variable for torque-forming combustion setting of the engine, to adjust the engine phase subject to the phase difference.

A control device for controlling a watercraft includes a position detection module and a positioning module. The position detection module is configured to detect a current position of the watercraft. The positioning module is configured to determine a new position for the watercraft within a delimited region depending on at least one positioning parameter when the watercraft approaches a boundary of the delimited region to within a predetermined distance or a parameterizable distance.

A generator set system includes: a generator set including an engine and a generator operatively coupled with the engine; a radiator operatively coupled with the engine; and a load bank system including: a load bank mounted to the radiator and including a resistor array; and a load bank control panel operatively coupled with and spaced apart from the load bank.

A sensor and evaluation device configured for detecting a misfire in an internal combustion engine, the sensor and evaluation device including: a control sensor system, which includes an acceleration sensor configured for acquiring a sound measurement signal at a cylinder and for providing a knock signal assigned to the sound measurement signal; and a module configured for at least one of acquiring and evaluating the knock signal, wherein the sensor and evaluation device is configured such that: an evaluation-relevant operating cycle angle range is assigned to an operating cycle range after an exhaust valve is opened; the sound measurement signal at the cylinder is detected by the acceleration sensor at least for the evaluation-relevant operating cycle angle range, and the knock signal assigned to the sound measurement signal for the evaluation-relevant operating cycle angle range is fed to the module in an evaluable manner.