Abstract: A motor, a compressor and a refrigeration device are provided. The motor has a stator and a rotor. The stator has a stator core and a winding. The stator core is provided with multiple stator protruding teeth. The winding are wound on the teeth. The rotor has a rotor core and a permanent magnet. The permanent magnet is arranged on the rotor core. A ratio of the number of the stator protruding teeth to the number of phases of the winding is adaptable to adjust the strength of a demagnetization reverse magnetic field generated by energizing the winding.

Abstract: A system for implementing an automobile electronic control function includes a plurality of automobile parts and an integrated unit VIU, and the VIU is configured to obtain control information of the plurality of automobile parts. The VIU is configured to control the plurality of automobile parts based on the control information. The plurality of automobile parts include automobile parts having only an execution function, and/or automobile parts having a part of an electronic control function and an execution function.

Abstract: Provided are a cooking device, a control method and apparatus thereof, and a computer-readable storage medium. The cooking device includes a microwave module, a hot air module, a heating tube module, and a fan module. The method includes: obtaining a characteristic parameter of a food material and a cooking stage of the cooking device; determining a cooking parameter of the cooking device according to the characteristic parameter of the food material; and controlling at least one of the microwave module, the hot air module, the heating tube module, and the fan module according to the cooking parameter and the cooking stage.

Abstract: A motor, a compressor, and a refrigeration device are provided. The motor includes a stator assembly and a rotor assembly. The stator assembly includes a stator core provided with a stator slot. The rotor assembly includes a rotor core and a permanent magnet. The stator core is sleeved outside of the rotor core or vice versa. The permanent magnet is arranged on the rotor core. By limiting the relationship between the distance between the stator core and the rotor core, the length of the permanent magnet in its own magnetization direction, the number of the stator slots, and the intrinsic coercivity of the permanent magnet, it is possible to adjust the strength of the demagnetization reverse magnetic field generated by energizing the motor.

Abstract: The present disclosure relates to a method for predicting an amount of water-sealed gas in a high-sulfur water-bearing gas reservoir. The method solves the problem that no method has yet been proposed for predicting the amount of water-sealed gas in a high-sulfur water-bearing gas reservoir. According to the technical solution, the method includes: considering that the volume of the gas reservoir does not change during the production of the constant-volume gas reservoir, deriving, based on a material balance method, a material balance equation of the high-sulfur water-bearing gas reservoir in consideration of water-sealed gas and water-soluble gas, solving and drawing a chart of water-sealed gas in the high-sulfur water-bearing gas reservoir by an iterative algorithm, obtaining a recovery factor of the high-sulfur water-bearing gas reservoir in consideration of water-sealed gas and water-soluble gas, and further obtaining the amount of water-seal gas in the high-sulfur water-bearing gas reservoir.

Abstract: Provided are a cooking device, a control method and apparatus thereof, and a computer-readable storage medium. The cooking device includes an air frying module and a microwave module. The method includes: obtaining a characteristic parameter of a food material and a cooking stage of the cooking device; determining a cooking parameter of the cooking device based on the characteristic parameter of the food material; and controlling the air frying module or the microwave module based on the cooking stage and the cooking parameter to accelerate cooking of the food material.

Abstract: A directional coupler includes a primary transmission line electrically coupled in series between an input port and an output port of the coupler, and an asymmetric, meander-shaped, secondary transmission line, which is electrically coupled in series between a coupling port and an isolation port of the coupler. The secondary transmission line includes a first coupling segment, which is reactively coupled to a first portion of the primary transmission line, and a second coupling segment, which is reactively coupled to a second portion of the primary transmission line, and is spaced closer to, or farther from, the primary transmission line relative to the first coupling segment, such that an asymmetry in reactive coupling is present between the first and second portions of the primary transmission line and the secondary transmission line. An intermediate segment is provided, which is electrically coupled in series between the first and second coupling segments.

Abstract: Methods and apparatuses are provided in which a level shifter of a digital control circuit for a switchable voltage supply circuit shifts a domain level of a first input. A first inverter of the digital control circuit inverts output of the first level shifter to output a first gain voltage to turn on a first switch of the switchable voltage supply circuit or output a second gain voltage to turn off the first switch. A second inverter of the digital control circuit inverts a second input to output a third gain voltage to turn on a second switch of the switchable voltage supply circuit or output a fourth gain voltage to turn off the second switch. The first gain voltage is greater than the third gain voltage.

Abstract: The invention provides methods, devices and non-transitory tangible computer-readable storage media for estimating a state of charge of a battery and extracting a charging curve of the battery. The method for estimating the state of charge of the battery includes estimating a first state of charge of the battery; determining a charging curve that conforms to the present charging scenario, wherein the present charging scenario is characterized by at least one of parameters including an ambient temperature, a charging rate, an internal resistance, a state of health, a lifespan, and an open circuit voltage of the battery; and correcting the first state of charge according to the charging curve to obtain a final state of charge of the battery.

Abstract: Disclosed are an online vacuum degree detection system and method based on single-fiber laser-induced breakdown spectroscopy. In the system, a laser device generates laser that excites the laser through fiber induced breakdown spectroscopy; a fiber coupler couples and injects the laser; a single fiber is connected to the fiber coupler to transmit the laser; one end of an LIBS probe is connected to the single fiber, and the other end of the LIBS probe extends into a vacuum arc-extinguishing chamber; the laser is induced by the LIBS probe to generate plasma, and the plasma is subjected to self-emission imaging and enters the fiber coupler via the LIBS probe; a dichroscope is arranged on the fiber coupler to separate the laser from the plasma; a processor is connected to a camera and a spectrometer.

Abstract: A method, an apparatus and a device for identifying battery parameters, and a storage medium are provided.

Abstract: A system, automobile, and method for implementing an electronic control function of an automobile. The system includes a first vehicle integration unit (VIU), an automobile control unit, and a plurality of automobile parts. The automobile control unit includes a first domain controller (DC) or a central computing platform (CCP). The automobile control unit is configured to send first control information to the first VIU. The first VIU is configured to control the plurality of automobile parts based on the first control information. In embodiments of this application, the first VIU controls the plurality of automobile parts.

Abstract: A method for establishing an electrochemical model for an ion battery is provided. The ion battery includes a negative electrode region, a positive electrode region, and a diaphragm arranged between the negative electrode region and the positive electrode region. The negative electrode region includes a negative electrode current collector, a negative electrode liquid phase and a negative electrode solid phase. The positive electrode region includes a positive electrode current collector, a positive electrode liquid phase and a positive electrode solid phase.

Abstract: Methods and systems for object sorting are provided. One method includes: recognizing object information of a plurality of objects in motion; obtaining destination information of the plurality of objects according to the object information, wherein the destination information of the plurality of objects comprises a plurality of destinations of the plurality of objects; determining a plurality of colors corresponding to the plurality of objects according to the plurality of destinations of the plurality of objects; and distinguishing the plurality of objects by using a plurality of lights of the plurality of colors respectively, to sort the plurality of objects in motion having the plurality of destinations.

Abstract: A method, an apparatus and a device for identifying battery parameters, and a storage medium are provided.

Abstract: Provided are a method and an apparatus for identifying a parameter of a battery model, an electronic device, and a storage medium. The method includes: obtaining to-be-identified parameters from an electrochemical model to form individuals; calculating a first fitness for each individual; determining a cell parameter if any individual has a first fitness less than a fitness threshold; sorting the individuals in an ascending order based on magnitudes of the first fitness, and partition the individuals into two parts in a case that each individual has a first fitness greater than or equal to the fitness threshold; updating to sub-individuals obtained from partition; calculating a second fitness for each individual, compare the second fitness with the first fitness, and retain an individual having a smaller fitness; and terminates if a fitness of the retained individual is less than the fitness threshold.

Abstract: A semiconductor-fiber-laser assembly is provided that includes a pumping module, an active optical fiber and an assembling board. The active optical fiber is provided on an upper surface of the assembling board, the pumping module is provided on a surface of the assembling board that is the same as or opposite to the upper surface; and input-side and output-side optical-fiber gratings are provided at two ends of the active optical fiber, to form a laser resonator between the input-side and output-side optical-fiber gratings. The pumping module includes a plurality of semiconductor-laser single emitters, a collimating-lens group and a mirror group that are sequentially arranged, and light beams from the semiconductor-laser single emitters pass through the mirror group to realize beam combination.

Abstract: A method for establishing an electrochemical model for an ion battery is provided. The ion battery includes a negative electrode region, a positive electrode region, and a diaphragm arranged between the negative electrode region and the positive electrode region. The negative electrode region includes a negative electrode current collector, a negative electrode liquid phase and a negative electrode solid phase. The positive electrode region includes a positive electrode current collector, a positive electrode liquid phase and a positive electrode solid phase.

Abstract: Method for analyzing and predicting state of health of a lithium battery includes: collecting battery data within a predetermined time interval, where the battery data comprises at least battery operating time, current, and voltage; determining a target area based on the battery data; establishing a relationship between a cumulative capacity of the target area and the state of health of the battery; correlating the number of cycles in the current state of the battery with the state of health of the battery using the cumulative capacity of the target area and determining a relationship between the number of cycles and the state of health of the battery; and predicting the state of health of the battery in the future according to the relationship between the number of cycles and the state of health of the battery. The method is simple and easy to operate, and practical as well.

Abstract: A system includes obtaining a plurality of automobile part sets through classification based on at least one of the following factors an interface type of an interface of an automobile part, a transmission type used by the automobile part to transmit data, a manufacturer of the automobile part, a type of the automobile part, a safety level of the automobile part, a service type of a service to which data transmitted by the automobile part belongs, or a service level of the service to which the data transmitted by the automobile part in the automobile belongs.