Abstract: A rapid assembly and automatic sampling drilling tool for frozen soil layer exploration includes a fixed flow divider, a flow guide pipe, a coring pipe and a drill bit. The fixed flow divider is connected to the drill bit through the flow guide pipe and the coring pipe mounted between the fixed flow divider and the drill bit. Two ends of the flow guide pipe communicate with the fixed flow divider and a main flow channel in the drill bit respectively. Hot water in the fixed flow divider can be conveyed into the drill bit through the flow guide pipe and sprayed from a nozzle arranged on the drill bit for drilling and coring operations. An inlet of the coring pipe communicates with a coring channel in an inner cavity in the drill bit, and a core sample drilled by the drill bit is taken out through the coring pipe.

Abstract: A PET apparatus includes a detector block including a miniblock including detector crystals, a first detector crystal and a second detector crystal being separated by an inner reflector, the inner reflector having a depth-dependent transparency, a first photosensor configured to detect light from a gamma ray detection event, and a second photosensor configured to detect the light from the gamma ray detection event, a first intensity and a second intensity of the light detected by the first and second photosensor being dependent on the depth-dependent transparency of the inner reflector; and processing circuitry configured to determine, based on the detected first intensity, a first energy, determine, based on the detected second intensity, a second energy, and determine, based on the first energy and the second energy, a depth of interaction (DOI) of the gamma ray detection event.

Abstract: This invention relates to a system for contactless detection and provision on an occupancy status parking lots in at least one vehicle park. A system comprises a frontend sensor unit having a number of radar modules and a detection board. Each of the radar modules comprises a transmitter configured to transmits L consecutive frequency modulated chirps and at least 3 receivers configured to collect the return chirps. The detection board is adapted to control and receive data from each of the radar modules and executing processes to analyse the data received from the radar modules to determine occupancy status of parking lots.

Abstract: An electric motor includes a stator having a stator core constructed from a ferromagnetic material and having an external stator surface. The stator core includes a stator core body and a plurality of stator teeth extending therefrom and the plurality of stator teeth define conductor slots therebetween. The electric motor also includes at least one rotor, each having an external rotor surface, a plurality of magnetic poles, and configured to rotate relative to the stator about a rotational axis. The stator also includes a plurality of stator conductors arranged within the conductor slots and configured to establish a rotating magnetic field exerting a torque on the rotor(s) via interaction with the magnetic poles. The stator additionally includes a plurality of first cooling channels, each defined by a respective stator tooth and configured to receive and pass therethrough a fluid to cool the corresponding stator tooth.

Abstract: An electric drive system includes an electric machine having a stator assembly and a rotor assembly. The stator assembly has a plurality of multi-phase stator windings, including a first stator winding and a second stator winding. A first inverter is adapted to feed the first stator winding. A second inverter is adapted to feed the second stator winding. The electric machine is a wound rotor machine, with a respective frequency of an alternating current (AC) in the rotor assembly being synchronized with the respective frequency of the AC in the stator assembly. The rotor assembly includes a multi-phase rotor windings. The electric machine is configured such that power transfer between the first stator winding and the second stator winding is achieved when the rotor assembly is stationary.

Abstract: An alternating current motor system includes a motor frame, a rotor including a rotor shaft, a stator including multi-phase AC stator windings, a power inverter producing a multi-phase AC voltage coupled to the multi-phase AC stator windings and at least one ohmic connection between the rotor shaft and the motor frame including a conductive fluid.

Abstract: A rotor for a rotary electric machine incudes an annular stack of rotor lamination layers (“rotor lams”) constructed of a magnetic core material. The rotor lams include inner axial surfaces collectively defining a first plurality of openings through the magnetic core material, a second plurality of openings through the magnetic core material, and a third plurality of openings through the magnetic core material. Each respective one of a first plurality permanent magnets, a second plurality of permanent magnets, and a third plurality of permanent magnets, is disposed respectively within a corresponding one of the first plurality of openings, the second plurality of openings, and the third plurality of openings. The first plurality and the third plurality of permanent magnets include high-coercivity magnets. The second plurality of permanent magnets includes low-coercivity magnets.

Abstract: Techniques are provided for torque ripple mitigation. In one embodiment, the techniques involve determining a first torque ripple at a torque output of a target electrical machine, upon determining that the first torque ripple exceeds a threshold, reproducing the torque output based on a pair of gamma control sets, determining a second torque ripple at the reproduced torque output, upon determining that the second torque ripple falls below the threshold, generating qualified gamma controls based on the gamma control sets, and supplying the qualified gamma controls to the target electrical machine.

Abstract: A hierarchical structure constructor constructs a hierarchical structure that comprises nodes associated with feature sets patterns of URLs. Nodes at each depth are labelled as malicious, benign, or mixed for corresponding to URLs that are malicious, benign, or malicious and benign that match the corresponding patterns. Malicious feature set patterns are extracted from malicious nodes in the hierarchical structure. A URL analyzer operates inline by logging traffic sessions, extracting URLs from the logs, and matching the extracted URLs with the malicious feature sets patterns extracted from the hierarchical structure. The hierarchical structure is periodically updated with known malicious/benign URLs to improve quality of malicious URL detection.

Abstract: An apparatus for reconstructing a positron emission tomography (PET) image, comprising processing circuitry configured to extract, from raw data obtained from a PET scanner, energy data and timing data associated with a plurality of annihilation events, the extracted energy data and the extracted timing data for each annihilation event corresponding to interactions between each of a pair of gamma rays generated by each annihilation event and one or more gamma ray detectors of the PET scanner, classify each annihilation event based on respective extracted energy data and respective extracted timing data, determine, for each annihilation event and based on a calculated timing resolution of the annihilation event, a width of a time-of-flight kernel, and reconstruct, by processing circuitry, the PET image based on the obtained raw data from the PET scanner and the determined width of the time-of-flight kernel associated with each annihilation event.

Abstract: A magnet-free electric machine. The electric machine may include a stator including a first stator winding set and a second stator winding set and a rotor including a first rotor winding set and a second rotor winding set. The electric machine may include a power transfer circuit configured for controlling a polarity and/or a phase sequence of excitation currents used in exciting the first and second stator and rotor windings, and thereby, respectively generated stator and rotor poles.

Abstract: An electric machine with reconfigurable rotor poles. The machine may include a stator including a plurality of stator windings configured for generating a rotating magnetic field (RMF) and a rotor configured for rotating within the stator according to a torque induced by the RMF. The rotor may include a plurality of rotor windings wrapped around a plurality of circumferentially spaced rotor protrusions. The electric machine may include a rotor power transfer circuit operable for reconfiguring electrical excitation of the rotor windings according to a plurality of excitation modes.

Abstract: A radial flux electric motor includes a stator having a radially inner stator surface and a rotor mounted inside the stator. The rotor defines a rotational axis and has axially opposite rotor ends and a radially outer rotor surface positioned proximate the radially inner stator surface, thereby establishing an airgap therebetween. The rotor also includes a fluid circulation arrangement having at least one fluid channel extending through the rotor to the radially outer rotor surface and configured to receive a liquid via a first passage and a gas via at least one second passage. The fluid circulation arrangement is also configured to direct the liquid and the gas, via centrifugal force, into the airgap as the rotor rotates inside the stator sufficiently to discharge the liquid and the gas out of the airgap at the axially opposite ends of the rotor, thereby cooling the electric motor.

Abstract: Embodiments of the present disclosure are directed to power module cooling systems. In particular, some embodiments of the present disclosure relate to power module cooling systems with structures to generate three-dimensional swirling and tumbling in liquid coolant flowing within a chamber of the cooling system. Other embodiments may be disclosed or claimed.

Abstract: The present invention relates to a pharmaceutical composition of a compound as shown in formula (I) or a pharmaceutically acceptable salt, a stereoisomer, or a crystal form thereof with a programmed cell death protein 1/programmed cell death protein 1 ligand 1 (PD-1/PD-L1) antibody, and a kit thereof and the use thereof in the treatment of cancer diseases, wherein Y, P, W and Ar are as defined in the specification.

Abstract: Systems, methods, and computer program products are provided for dynamically processing model inference or training requests. A system may include at least one processor to receive a plurality of requests from a plurality of requesting systems, create a plurality of instantiations of at least one machine-learning model based on the plurality of requests and service data associated with each requesting system of the plurality of requesting systems, stream data associated with at least one request of the plurality of requests to each instantiation of the plurality of instantiations, adjust a rate limit for each instantiation of the plurality of instantiations based on the service data associated with at least one requesting system related to a respective instantiation, resulting in an adjusted rate limit, and process at least one request of the plurality of requests with an instantiation of the plurality of instantiations based on the adjusted rate limit.

Abstract: The present invention belongs to the technical field of medicines, and relates to novel use of a kinase inhibitor. Disclosed is use of a compound of general formula (I) or a pharmaceutically acceptable salt, stereoisomer or crystal form thereof in the manufacture of a medicament for treating and/or preventing prostate cancer, wherein variables in the general formula are as defined in the specification. Researches show that the compound of general formula (I) or the pharmaceutically acceptable salt, stereoisomer or crystal form thereof has a therapeutic effect on prostate cancer, and further has a significant therapeutic effect on castration resistant prostate cancer and castration sensitive prostate cancer as well as metastatic castration resistant prostate cancer.

Abstract: Some embodiments disclosed herein are directed to power transfer in electric motors having segmented windings. In some embodiments, a control system may determine a d-axis command voltage for a secondary winding of an electric motor and a q-axis command voltage for the secondary winding based on a primary winding voltage, primary winding current, secondary winding current, and rotor electrical position. The control system may generate gate control signals based on the determined d-axis command voltage and q-axis command voltage for the secondary winding, and transmit the gate control signals to an inverter coupled to the secondary winding to control an electrical power transfer between the primary winding and the secondary winding. Other embodiments may be disclosed or claimed.

Abstract: A vehicle's electrified powertrain includes a battery pack linked to a traction power inverter module (TPIM) converting DC voltage from the battery pack into AC voltage. A rotary electric machine includes a stator energized by the TPIM's AC voltage, enclosing a rotor core capable of rotation. The rotor core contains slots holding conductive bars and permanent magnets, with conductive bars positioned closer to the rotor core's center. The conductive bars and permanent magnets are separated by gaps within each slot. An annular end ring assembly is present at one end of the rotor core, featuring terminal conductors connected to subsets of conductive bars and a secondary coil of a rotary transformer. When the stator is energized, the rotor shaft, connected to the rotor, rotates. The electric machine powers a transmission, which is coupled to the rotor shaft.

Abstract: An energy transfer system of a vehicle includes a multi-winding motor, a first inverter connected to a first set of windings, and a second inverter connected to a second set of windings. The system includes a controller configured to control the first inverter and the second inverter to control a charging current through the multi-winding motor at a desired power when the multi-winding motor is in a zero-torque condition. The controller is configured to control the charging current through the first inverter and second inverter so that a first current vector associated with the first set of windings and a second vector associated with the second set of windings are symmetric about a d-axis and the multi-winding motor functions as a transformer, the control of the first inverter and the second inverter providing for power transfer between the first set of windings and the second set of windings.