Abstract: A power management system includes a primary power supply module, configured to be connected to a power supply and configured to generate a first voltage based on a voltage of the power supply, diagnose the first voltage, and store a diagnosis result of the first voltage; a secondary power supply module, connected to the primary power supply module and configured to generate a second voltage based on the first voltage; and a micro-controller unit (MCU), connected to the primary power supply module and the secondary power supply module and configured to read the diagnosis result of the first voltage from the primary power supply module and determine, based on the diagnosis result of the first voltage, whether to control a battery management system (BMS) to enter a safe state. The second voltage is lower than the first voltage and is an operating voltage of the MCU.

Abstract: The present invention relates to a print method. In the print method, a first layer of ink is deposited and cured before a second layer is applied. The present invention further relates to a software product. The present invention also relates to an inkjet printing apparatus.

Abstract: A method for fault location to multi-terminal traveling wave in a direct current distribution line, which belongs to the field of power line fault ranging and location technology. The method includes a main site and a plurality of acquisition points installed into the distribution line and includes steps as follows. Step 1001: collecting and uploading a traveling wave signal by each of the acquisition points after a fault occurs in the line; step 1002: generating a fault record set; step 1003: computing the shortest paths from a central site to other sites and their lengths; step 1004: using expanded two-terminal traveling wave ranging principle for pairing computation; step 1005: converting positions of possible disturbance points into possible disturbance occurrence time points; step 1006: extrapolating from equal path lengths of the possible disturbance points to obtain disturbance time data; and step 1007: determining a final disturbance point.

Abstract: A method for fault location to single-terminal traveling wave includes steps as follows. Step (a): recording a waveform of a traveling wave signal of disturbance by a traveling wave device when a line disturbance occurs. Step (b): performing a phase mode transformation on the waveform recorded by the step (a), so as to obtain components of line mode and zero mode of a fault initial traveling wave, and performing a wavelet transform to decompose the components of the line mode to obtain singularities in the waveform of the traveling wave. Step (c): calculating a wavefront slope k of the components of the line mode of the fault initial traveling wave. Step (d): computing a preliminary fault distance D according to the slope k computed in the step (c). Step (e): confirming a fault point according to the preliminary fault distance and wavelet singularities of the components of the line mode. Step (f): end.

Abstract: An ongoing pain detection system and method are provided. The method includes obtaining imaging data from patient using functional near-infrared spectroscopy from at least one cortical region of the brain of a non-responsive patient and observing power spectral density variations in the signal. The measured imaging data is compared with patient pain based on control data to recognize ongoing pain in the non-responsive patient.

Abstract: Disclosed herewith is a voltage coordinated control method for an AC/DC distribution system, including steps of: acquiring an actual voltage and an actual current at a DC-side of a converter of the system to obtain a first DC voltage and a first DC current; generating a present reference current signal for the converter according to a voltage-current droop control model, and generating a first control signal to control an output state of the converter; and acquiring an actual voltage at a DC-side of an energy storage adapter in the system to obtain a second DC voltage, generating a present reference power signal for the adapter according to a voltage-power droop control model, and generating a second control signal to control an output state of the adapter.

Abstract: A method for fault location to single-terminal traveling wave includes steps as follows. Step (a): recording a waveform of a traveling wave signal of disturbance by a traveling wave device when a line disturbance occurs. Step (b): performing a phase mode transformation on the waveform recorded by the step (a), so as to obtain components of line mode and zero mode of a fault initial traveling wave, and performing a wavelet transform to decompose the components of the line mode to obtain singularities in the waveform of the traveling wave. Step (c): calculating a wavefront slope k of the components of the line mode of the fault initial traveling wave. Step (d): computing a preliminary fault distance D according to the slope k computed in the step (c). Step (e): confirming a fault point according to the preliminary fault distance and wavelet singularities of the components of the line mode. Step (f): end.

Abstract: A method for fault location to multi-terminal traveling wave in a direct current distribution line, which belongs to the field of power line fault ranging and location technology. The method includes a main site and a plurality of acquisition points installed into the distribution line and includes steps as follows. Step 1001: collecting and uploading a traveling wave signal by each of the acquisition points after a fault occurs in the line; step 1002: generating a fault record set; step 1003: computing the shortest paths from a central site to other sites and their lengths; step 1004: using expanded two-terminal traveling wave ranging principle for pairing computation; step 1005: converting positions of possible disturbance points into possible disturbance occurrence time points; step 1006: extrapolating from equal path lengths of the possible disturbance points to obtain disturbance time data; and step 1007: determining a final disturbance point.

Abstract: Disclosed herewith is a voltage coordinated control method for an AC/DC distribution system, including steps of: acquiring an actual voltage and an actual current at a DC-side of a converter of the system to obtain a first DC voltage and a first DC current; generating a present reference current signal for the converter according to a voltage-current droop control model, and generating a first control signal to control an output state of the converter; and acquiring an actual voltage at a DC-side of an energy storage adapter in the system to obtain a second DC voltage, generating a present reference power signal for the adapter according to a voltage-power droop control model, and generating a second control signal to control an output state of the adapter.

Abstract: A camera assembly coupled to a door of a refrigerator so as to have an unimpeded view of all goods in the refrigerator for the information of a user includes a locking base, a securing base, and a camera. The locking base is coupled to the door. The securing base is coupled to the locking base. The camera is received in the securing base. A refrigerator employing the camera assembly is also provided.

Abstract: The present invention relates to a pre-treatment liquid providing improved spreading property when printing an ink-jet image, as well as an ink-jet printing method comprising applying the pre-treatment liquid of the invention on a recording medium prior to printing an ink-jet image and a method of pre-treating a recording medium, comprising pre-treating a recording medium with the pre-treatment liquid of the invention. With the present pre-treatment liquid a combination an improved spreading of the ink on the pre-treated recording medium can be achieved.

Abstract: A filter cleaning mechanism includes a sliding rail, a filter, a dust box, a cleaning device, and a driver. The filter is mounted to the sliding rail. The dust box is mounted to a bottom of the sliding rail. The cleaning device is mounted in front of the filter and above the dust box. The cleaning device includes a cleaning brush and a screen. The driver is mounted to a side of the sliding rail and is electrically coupled to the cleaning device. The driver moves up and down along the sliding rail. The cleaning brush and the screen move along with the driver up and down the sliding rail. The driver drives the cleaning brush to brush the filter. The screen blocks the front of the filter while the cleaning brush brushes the filter.

Abstract: An inkjet printing assembly is configured for direct inkjet printing on a recording medium and for indirect inkjet printing via an intermediate medium. The inkjet printing assembly comprises a transport path for transporting a print medium. Further, a control unit is provided for selecting the print medium, wherein the print medium is may at least be a recording medium or an intermediate medium. An inkjet print station is provided and arranged along the transport path for providing droplets of a liquid on the print medium. A transfer station is provided and configured for transferring the droplets of the liquid from an intermediate medium to a recording medium. A recording medium output station is provided for receiving the printed recording medium.

Abstract: A noise reduction device for reducing noise in refrigeration equipment includes at least one transition tube having a diameter gradually increasing from a capillary of the refrigeration equipment to an evaporator of the refrigeration equipment. The refrigerant liquid is circulated through the noise reduction device.

Abstract: The present document discloses a method and apparatus for compensating for a lost frame in a transform domain, comprising: calculating frequency-domain coefficients of a current lost frame using frequency-domain coefficients of one or more frames prior to the current lost frame, and performing frequency-time transform to obtain an initially compensated signal; and performing waveform adjustment, to obtain a compensated signal. Alternatively, extrapolation is performed for all or part of frequency points of the current lost frame using phases and amplitudes of corresponding frequency points of a plurality of previous frames to obtain phases and amplitudes of the corresponding frequency points of the current lost frame, to obtain frequency-domain coefficients of the corresponding frequency points, and frequency-time transform is performed to obtain a compensated signal.

Abstract: A refrigerator includes a refrigeration system and a heating chamber powered by a part of the refrigeration process. The refrigeration system is a closed and recycling system which comprises a compressor, a first condenser, a three-way magnetic valve, a second condenser, at least one capillary pipeline, and an evaporator. The heating chamber is located around the first condenser, and the first condenser emits to the heating chamber heat which is emitted by the refrigeration system.

Abstract: A camera assembly coupled to a door of a refrigerator so as to have an unimpeded view of all goods in the refrigerator for the information of a user includes a locking base, a securing base, and a camera. The locking base is coupled to the door. The securing base is coupled to the locking base. The camera is received in the securing base. A refrigerator employing the camera assembly is also provided.

Abstract: The present document discloses a method and apparatus for compensating for a lost frame in a transform domain, comprising: calculating frequency-domain coefficients of a current lost frame using frequency-domain coefficients of one or more frames prior to the current lost frame, and performing frequency-time transform to obtain an initially compensated signal; and performing waveform adjustment, to obtain a compensated signal. Alternatively, extrapolation is performed for all or part of frequency points of the current lost frame using phases and amplitudes of corresponding frequency points of a plurality of previous frames to obtain phases and amplitudes of the corresponding frequency points of the current lost frame, to obtain frequency-domain coefficients of the corresponding frequency points, and frequency-time transform is performed to obtain a compensated signal.