Abstract: An axial flux motor includes: a ring-shaped stator, a ring-shaped rotor and a planetary gear set. The ring-shaped stator includes a stator core and segments arranged on the stator core, where each of the segments includes a laminated stack and windings wrapped around the laminated stack. The ring-shaped rotor defines an inner open area and including a body and permanent magnets arranged on the body adjacent to and spaced from the segments. The planetary gear set is disposed within the inner open area and configured to receive an input torque from the rotor and provide an output torque, which is greater than the input torque.

Abstract: An apparatus is disclosed for a switch-mode power supply with a network of flying capacitors and switches. In an example aspect, the apparatus includes a switch-mode power supply with an inductor, a switching circuit, and a network of flying capacitors and switches. The switching circuit is coupled to the inductor. The network of flying capacitors and switches is coupled to the switching circuit and includes at least two flying capacitors and multiple switches. The multiple switches are configured to selectively connect the at least two flying capacitors in parallel between a first terminal of the network of flying capacitors and switches and a second terminal of the network of flying capacitors and switches or connect the at least two flying capacitors in series between the first terminal and the second terminal.

Abstract: A rotor for mounting on a rotational axis in an axial flux electric motor includes a ferromagnetic rotor core. The rotor also includes a plurality of alternating south and north pole permanent magnets (PMs) arranged on the ferromagnetic rotor core symmetrically around the rotational axis and facing the stator. The ferromagnetic rotor core includes a plurality of core saliencies extending to the rotor exterior surface. Each of the core saliencies is arranged between one south pole PM and one north pole PM. The plurality of core saliencies is phase-angle shifted relative to the plurality of alternating south and north pole PMs to thereby alter magnetic reluctance of the electric motor. An axial flux electric motor employing the above-described rotor is also contemplated.

Abstract: An electric machine includes a housing having an inner surface; and a stator including a stator core mounted in the housing. The stator core includes a plurality of stator windings, a thermal bridge extends between the stator core and the inner surface of the housing. The thermal bridge is formed from a non-magnetic material and includes a plurality of individual thermal bridge elements.

Abstract: The present disclosure describes a multi-function, integrated Super Beam assembly structure with integrated structural, cooling, and transverse elastic compliance functions; and Thermal Management Propagation (TMP) protection. The Super Beam assembly includes a pair of parallel face plates, coolant channel cover plates, and coolant channels that are defined by the face plate and the one or more coolant channel cover plates. The structural design of the cooling channels, and the corresponding air gaps formed in-between them, allows a transverse elastic compliance of the Super Beam assembly to be tuned to different amounts of elasticity. Top, bottom and/or end structural channels may be included. A pair of TMP suppression channels may be attached to the Super Beam assembly structure with an adhesive “thermal fuse” that preferentially melts and causes the pair of TMP suppression channels to detach from the Super Beam assembly during overheating in a TMP event.

Abstract: Disclosed are sodium salts of pyrimidine derivatives, and a series of crystal forms thereof. The series of crystal forms exhibit a good druggability, such as stability, fluidity, compressibility, etc., and provide a variety of options of APIs for subsequent drug product development.

Abstract: A battery pack includes a first header having a first conduit and a second header having a second conduit. The battery pack also includes an energy storage system having energy storage cells arranged between the first header and the second header. A coolant plate assembly is arranged between the first header and the second header and abuts the plurality of energy storage cells. The coolant plate assembly includes a coolant channel having a first end fluidically connected to the first conduit, a second end fluidically connected to the second conduit, and an intermediate portion defining a flow path. The coolant plate assembly also includes a first planar section having a first surface facing the energy storage cells and a second surface having protrusions extending into the coolant channel.

Abstract: An electrical machine includes a rotationally-fixed stator defining a rotational axis of the electrical machine and having a plurality of stator magnetic poles, the stator magnetic poles disposed about the rotational axis. The electrical machine also has a rotor rotatably mounted coaxially with the rotational axis and axially spaced from the stator, the rotor having a plurality of permanent magnets facing the stator magnetic poles. Each stator magnetic pole includes a plurality of ferromagnetic laminations in a lamination stack that extends from a radially-inward extent to a radially-outward extent relative to the rotational axis, and a ferromagnetic composite pole portion affixed to the radially-outward extent or the radially-inward extent of the lamination stack of the stator magnetic pole.

Abstract: A stator for an electrical machine defines a central axis and has a first stator face facing parallel to the central axis and a second stator face facing parallel to the central axis, with the first stator face and the second stator face facing in opposite directions. The stator includes a plurality of ferromagnetic segments disposed about the central axis, each segment having a pair of parallel faces that face parallel to the central axis of the stator. On each stator face, faces of adjacent segments of the plurality of segments form gaps therebetween, the gaps extending radially relative to the central axis, the gaps on the first stator face being angularly offset relative to the central axis from the gaps on the second stator face.

Abstract: A cooled axial flux electric motor includes a rotationally-fixed stator defining a rotational axis and having a plurality of conductive stator magnetic poles arranged radially about the axis. The motor also includes a rotor spaced axially from one side from the stator and rotatably mounted coaxially with the rotational axis and defined by inside and outside diameters. The rotor has a first exterior surface facing the stator and a second exterior surface arranged opposite the first exterior surface. A ferromagnetic rotor core defines the rotor second exterior surface. The rotor also includes alternating south and north pole permanent magnets (PMs) arranged on the rotor core symmetrically around the axis and facing the stator. The rotor additionally includes channels extending radially outwardly across the rotor and configured to direct a coolant, via centrifugal force, from the inside diameter toward the outside diameter as the rotor rotates about the axis.

Abstract: A power control system for a vehicle includes a charge port and a contactor connected to the charge port and including a first plurality of switches. An energy storage system includes a second plurality of switches and one or more battery packs. A bi-directional DC-DC converter is connected between the energy storage system and a plurality of vehicle loads. A controller is configured to control states of the first and second plurality of switches to configure in a plurality of modes including a range improvement mode, a first charging mode to perform charging at a first voltage level, a second charging mode to perform charging at a second voltage level, a battery preconditioning mode; and an accessory load support mode.

Abstract: Apparatuses, systems, and techniques for performing color correction are presented. In at least one embodiment, a color mapping model may be identified that maps colors, within a subspace of an input color space localized around a target color, to an adjusted color space and applied to an input image to adjust a value of one or more pixels of the input image that fall within the subspace. In at least one embodiment, a color mapping model may be initialized that maps colors, within a subspace of an input color space localized around a target color, to an adjusted color space. At least one parameter of the color mapping model may be adjusted to reduce an amount of visible artifacts produced by the color mapping model.

Abstract: An electrical system includes a high-voltage battery pack assembly having a first cell set with a first group of energy storage cells and a second cell set having a second group of energy storage cells connectable to the first cell set. The first cell set includes at least one first battery chemistry cell and the second cell set includes at least one second battery chemistry cell. At least one switch is in electrical communication with the first or second cell set. Battery connection terminals are in electrical communication with at least one of the first or second cell sets. A controller is configured to determine an operating strategy of the high-voltage battery pack assembly and place at least one of the first cell set or the second cell set in electrical communication with the battery connection terminals in response to the operating strategy of the high-voltage battery pack.

Abstract: The provided is flux-weakening control method and system for the salient pole offset permanent magnet synchronous motor. The method includes determining the given value of electromagnetic torque according to the actual speed and the given target speed; calculating the current trajectories of MTPA and MTPV in dq coordinate system; obtaining the d?q? coordinate system by rotating the coordinate system, and calculating the current trajectory of MTPA and MTPV in the d?q? coordinate system to obtain the characteristic current; judging whether it is necessary to turn on the flux-weakening control, and outputting the direct axis current compensation when it turns on; judging the flux-weakening area of the motor; and generating the space vector pulse width modulation signal to drive the motor to realize the full speed range flux-weakening speed regulation of the salient pole offset permanent magnet synchronous motor.

Abstract: The present application relates to the field of error detection technology. An error detection method is provided. The error detection method includes: obtaining a target pose of an end of an operating arm; acquiring a positioning image; recognizing, in the positioning image, a plurality of pose identifications located on the end of the operating arm, the plurality of pose identifications including different pose identification patterns; determining an actual pose of the end of the operating arm based on the plurality of pose identifications; and generating a control signal related to a fault in response to the target pose and the actual pose meeting an error detection condition.

Abstract: Certain aspects of the present disclosure are directed towards an amplification circuit. The amplification circuit generally includes: a first amplifier; a first power supply having an output coupled to a supply input of the first amplifier and configured to provide a first power to the supply input of the first amplifier; a second amplifier; a second power supply having an output coupled to a supply input of the second amplifier and configured to provide a second power to the supply input of the second amplifier; and a third amplifier having a supply input coupled to the first power supply and the second power supply, the first power supply and the second power supply being further configured to provide a third power to the supply input of the third amplifier.

Abstract: Embodiments include balancing modules during charging of a mixed chemistry battery pack having a first battery module connected in series to a second battery module. Aspects include monitoring a first state-of-charge (SOC) of the first battery module having a first battery chemistry and monitoring a second SOC of the second battery module having a second battery chemistry. Aspects also include selectively activating one of a first bypass switch and a first activation switch of the first battery module based on the first SOC and the second SOC and selectively activating one of a second bypass switch and a second activation switch of the second battery module based on the first SOC and the second SOC. The activation of the first bypass switch prevents the first battery module from charging and activation of the second bypass switch prevents the second battery module from charging.

Abstract: A mixed chemistry battery having a first battery cell having a first chemistry and a second battery cell having a second chemistry that is different than the first chemistry is provided. The first battery cell is connected to the second battery cell in series. The mixed chemistry battery includes a battery monitoring system configured to obtain a first SOC of the first battery cell and a second SOC of the second battery cell and based on a determination that an absolute value of a difference between the first SOC and the second SOC is greater than a threshold value, obtain a first capacity retention rate for the first battery cell and a second capacity retention rate for the second battery cell; and update the second SOC based on the first SOC, the first capacity retention rate, and the second capacity retention rate.

Abstract: The present disclosure provides a magnetic grinding device and a magnetic grinding control method, and relates to the field of machining. According to the device, a magnet platform of a grinding piece fixing table is connected with an electromagnet; the grinding piece fixing table is used for fixing a to-be-ground workpiece; an output end of a programmable power supply is connected with a coil of the electromagnet; a permanent magnet grinding rod is located above the to-be-ground workpiece; and a magnetic grinding control system is connected with the programmable power supply and is used for acquiring grinding points, on the to-be-ground workpiece, of the permanent magnet grinding rod, and controlling an output voltage of the programmable power supply by utilizing a removal amount of a blank workpiece surface shape of the to-be-ground workpiece, the grinding points and a pulse width modulation (PWM) control method.

Abstract: Presented are torque converters (TC) with hydraulic systems for converter feed and clutch control, methods for making/operating such TC assemblies, and vehicles equipped with such TC assemblies. A TC assembly includes a housing that drivingly connects to an electric motor, and an output member that drivingly connects to a multi-gear transmission. Rotatable within the TC housing are a turbine attached to the TC output member and an impeller juxtaposed with the turbine. A lockup clutch disposed inside the TC housing, between the turbine and housing, is operable to lock the housing to the output member. A disconnect clutch disposed inside the housing, between the impeller and housing, is operable to lock the housing to the impeller. A pump is attached to the TC housing and drivingly connected to the motor for feeding fluid into the housing to increase pressure within the TC chamber and activate the lockup and disconnect clutches.