Abstract: Various embodiments provide methods, apparatuses, systems, or computer program products for providing dynamic control of a signal. In an example embodiment, a system comprises a signal generator, a controller configured to control operation of the signal generator, a first signal path between the signal generator and an output connected to an electrode of an ion trap, and a selectively connectable second signal path between the signal generator and the output to bypass the low pass filter. The signal generator is configured to generate a signal comprising a first frequency component having a first range of frequencies and/or a second frequency component having a second range of frequencies higher than the first range of frequencies. The first signal path comprises a low pass filter to filter noise above the first range of frequencies. The second signal path comprises a bandpass filter to permit the second frequency component to pass from the signal generator to the output.

Abstract: An interference reduction device is provided. The interference reduction device may include a magnetic shield positioned in proximity of a magnetic field. The magnetic shield is configured to reduce interference on the magnetic field along the direction of the magnetic field. The magnetic shield may include a cutout approximately parallel to the direction of the magnetic field, the cutout is configured to reduce a distortion caused by the magnetic shield on the magnetic field.

Abstract: A pumping system deployed in a wellbore is designed for producing two-phase fluids through production tubing to a wellhead, while protecting downhole tubulars and equipment from corrosive gases from the wellbore. The pumping system includes a pump, a gas separator upstream from the pump, a packer above the pump, and a gas evacuation module between the pump and the packer. The packer blocks the movement of gases through the annular space and forms a gas collection space between the packer and the pump. The gas evacuation module is configured to remove gas from the gas collection space and mix the gas with liquid-dominant fluids received from the pump. The gas separator includes an intake configured to receive the two-phase fluids, a gas discharge configured to eject gas-dominant fluids into the annular space, and a liquid discharge configured to provide the pump with liquid-dominant fluids.

Abstract: A system includes a confinement apparatus, arbitrary waveform generators (AWGs), and channel-dedicated signal processing assemblies. Application of respective voltage signals to the plurality of control electrodes of the confinement apparatus is configured to cause the confinement apparatus to confine manipulatable objects. The AWGs are operable to generate respective waveforms. Each signal processing assembly is configured to condition a voltage signal applied to a respective electrode of the confinement apparatus. The signal processing assembly includes a channel-dedicated voltage generator and an operational amplifier. The operational amplifier is configured to receive (i) a broadcasted waveform generated by an AWG and broadcasted to at least two signal processing assemblies of the plurality of channel-dedicated signal processing assemblies and (ii) a quasi-static voltage generated by the channel-dedicated voltage generator.

Abstract: A patient support apparatus for removably retaining differently-sized portable electronic devices. The patient support apparatus comprises a base, a litter with a patient support deck for supporting the patient, and a side rail. The side rail is coupled to the litter and arranged for movement relative to the base. The side rail includes a caddy comprising a back, a first brace, and a second brace spaced from the first brace. The first brace extends laterally from the back and defines a first bottom support region. The second brace extends laterally from the back and defines a second bottom support region converging toward the first bottom support region to arrange the first and second bottom support regions to provide differing points of contact for retaining differently-sized portable electronic devices.

Abstract: The present application relates to techniques for proactively monitoring and detecting failures associated with downlinking data during satellite passes. In some embodiments, first data representing a performance of a hardware device during a satellite pass may be obtained and performance metrics may be computed based on the first data. Second data may be generated based on the performance metrics and a first machine learning model may be used to determine changepoints within the second data and times associated with each changepoint. A second machine learning model may be used to determine a likelihood that the satellite pass will be successful based on at least one of the quantity of changepoints or the times associated with each changepoint, and a quality of service (QoS) score of a client may be updated based on the likelihood.

Abstract: A patient support apparatus for removably retaining differently-sized portable electronic devices. The patient support apparatus comprises a base, a litter with a patient support deck for supporting the patient, and a side rail. The side rail is coupled to the litter and arranged for movement relative to the base. The side rail includes a caddy comprising a back, a first brace, and a second brace spaced from the first brace. The first brace extends laterally from the back and defines a first bottom support region. The second brace extends laterally from the back and defines a second bottom support region converging toward the first bottom support region to arrange the first and second bottom support regions to provide differing points of contact for retaining differently-sized portable electronic devices.

Abstract: Multistage centrifugal pumping systems include a plurality of pump stages contained within a pump housing. Each stage typically includes a stationary diffuser and a rotatable impeller. Each of the diffusers includes a projection and a receiver that cooperate with the corresponding projection and receiver on adjacent diffusers to form a nested relationship between the diffusers that prevents the diffusers from rotating inside the pump housing. The projections have a projection outer surface with a non-circular shape. The receivers include a receiver inner surface with a complementary non-circular shape. The engagement between the non-circular projection outer surface and the non-circular receiver inner surface locks the adjacent receivers in fixed rotational alignment.

Abstract: A system includes a generator. Three AC feeders are connected for feeding AC output from the generator. A rectifier is electrically connected to the three AC feeders and to a load via a first DC feeder and a second DC feeder. A first resistor connects between a the first DC feeder and ground. A second resistor connects between the second DC feeder and ground. At least one of a first current sensor is operatively connected to detect current in the first DC feeder and/or a second current sensor is operatively connected to detect current in the second DC feeder. A controller is configured to monitor for changes in common mode current based on the input from the at least one current sensor, and to determine presence of a fault if change in the common mode current exceeds a predetermined threshold.

Abstract: Aspects of this technical solution can include receiving an order for food, the order including order data, identifying ingredient data and item data from the order data, displaying at least one of a portion of the ingredient data or a portion of the item data on one or more stations configured for preparing the order, where the portion of the ingredient data and the portion of the item data displayed on each of the one or more stations is based on a task to be performed at a respective one of the one or more stations, monitoring the task at each the one or more stations as the task is performed for compliance with the portion of the ingredient data and the portion of the order data displayed at the respective one of the one or more stations, and executing an action based on the monitoring.

Abstract: A system includes a permanent magnet (PM) machine including a first phase winding and a second phase winding and a permanent magnet configured to rotate relative to the first and second phase windings. The first phase winding has a main leg and a return leg extending from the first phase winding. The second phase winding has a main leg and a return leg extending from the second phase winding. A return switch unit is operatively connected to the return legs of the first phase winding and the second phase winding. The return switch unit includes a switch configured to connect the return legs of the first phase and second phase to a neutral node in the return switch unit in a normal state, and to disconnect the return legs of the first and second phase windings from the neutral node in a fault protection state.

Abstract: Described herein are systems, methods, media, and devices for generating a satellite program for contacting satellites. In some embodiments, data including one or more targets for accessing a satellite constellation is obtained. Based on the data, a set of representations may be generated and candidate satellite constellation access programs may be determined based on the set of representations. For each program, a first score may be computed for each target to obtain a first set of scores, and a second score may be computed for each first score of the first set of scores to obtain a second set of scores. A satellite constellation access program may be selected from the candidate satellite access programs based on the second set of second scores.

Abstract: A closing mechanism controller includes contactor operating logic that generates a software or firmware based closing mechanism command signal. The controller also includes hardware interlock circuitry that generates an interlock signal, the hardware interlock circuity being configured to compare an interlock signal to the software based closing mechanism command signal and to provide an enable signal to the closing mechanism when the interlock signal matches the closing mechanism command signal.

Abstract: Systems for parallel excitation for a synchronous machine are provided. Aspects include a rectification circuit coupled to an output of a permanent magnet generator, and an excitation winding connected to an output of the rectification circuit, a direct current (DC) power source connected between an output of the rectification circuit and the excitation winding, wherein the excitation winding supplies an excitation voltage to an excitation armature in a main generator during a during a plurality of operational modes, wherein the plurality of operational modes comprise a startup mode and a generator mode, wherein a DC excitation voltage is provided to the excitation windings by the DC power source during the startup mode, and wherein the DC excitation voltage is provided to the excitation windings by the rectification circuit during the generator mode.

Abstract: A system includes a transformer rectifier unit (TRU) including a backfeed sense module. A contactor is operatively connected to the TRU for selectively supplying DC power to a DC bus from the TRU with the contactor closed and isolating the DC bus from the TRU with the contactor opened. A contactor driver is operatively connected to receive a signal from the backfeed sense module and to control opening and closing of the contactor based on the signal. The contactor driver is configured to open the contactor upon receipt of the signal indicative of backfeed detected in the TRU.

Abstract: The present application relates to techniques for proactively monitoring and detecting failures associated with downlinking data during satellite passes. In some embodiments, first data representing a performance of a hardware device during a satellite pass may be obtained and performance metrics may be computed based on the first data. Second data may be generated based on the performance metrics and a first machine learning model may be used to determine changepoints within the second data and times associated with each changepoint. A second machine learning model may be used to determine a likelihood that the satellite pass will be successful based on at least one of the quantity of changepoints or the times associated with each changepoint, and a quality of service (QoS) score of a client may be updated based on the likelihood.

Abstract: In accordance with at least one aspect of this disclosure, a power system for a vehicle is disclosed. The system can include, one or more power distribution sources configured to supply electrical power to one or more power districts. One or more power conversion devices can be housed within a respective power district. In embodiments, the power district can be configured to allow for managing a draw by a respective one or more loads within the respective power district. The one or more power conversion devices can be configured to receive electrical power from one or more of the one or more power distribution sources, convert the electrical power to a secondary form, and then the converted electrical power to the one or more loads within the respective power district. In embodiments, a logic module can be operatively connected to the one or more power districts, configured to control at least a load draw.

Abstract: A control system for an electric motor powered by a battery can be configured to receive an input instantaneous power or torque command corresponding to a commanded instantaneous power or torque. The control system can be configured to determine if the battery is capable of supplying the commanded instantaneous power or torque based on a state of charge (SOC) of the battery. The control system can be configured such that if the battery is capable of supplying the commanded instantaneous power or torque, the control system outputs the input instantaneous power or torque command, and such that if the battery is not capable of supplying the commanded instantaneous power or torque, the control system outputs an available maximum instantaneous power or torque command corresponding to an available maximum instantaneous power or torque that is less than the commanded instantaneous power or torque.

Abstract: A battery charging system for a hybrid electric powerplant can be configured to determine a maximum available charging power available from windmilling and/or excess thermal engine power available, and to use up to the maximum available charging power and/or the excess thermal engine power available to charge a battery. In certain embodiments, a control module can be configured to determine the maximum available charging power available from windmilling.