Abstract: The present application disclosures a double production line and a rapid prefabrication process of a segmental beam. The double production line including two production machine and a track system provided on the construction ground; the production machine includes a fixed end mold, two side molds, a bottom mold trolley, a middle internal mold trolley and two side internal mold trolley; two side molds are positioned on two sides of the fixed end mold respectively, the fixed end mold and two side molds together define a pouring position with an end opening, two openings of the pouring position are arranged facing each other; the track system includes a transverse track and a longitudinal track communicated with each other, two pouring positions are both positioned in the extension path of the transverse track, and the longitudinal track is positioned between two pouring positions.

Abstract: An electrode assembly and a lithium ion electric roll having the same are provided. The electrode assembly includes: a first electrode unit; a first anti-puncture cushion; in which the first electrode unit includes a first electrode sheet, an second electrode sheet, and a separator, the second electrode sheet comprises a second top edge and a second bottom edge along the length direction of the first electrode unit; an edge of the first anti-puncture cushion exceeds the second electrode sheet from the second top edge or the second bottom edge along the length direction of the first electrode unit.

Abstract: A display module includes a first polarizer, a color film layer, a substrate, a second polarizer, and a backlight module. The first polarizer is provided with a first light-transmitting hole. The color film layer is provided with a light-transmitting region. A control electrode is provided in the light-transmitting region. The substrate is provided with a liquid crystal display region and an aperture adjustment region. The position of the aperture adjustment region corresponds to the position of the first light-transmitting hole. The liquid crystal display region is spaced apart from the aperture adjustment region. The aperture adjustment region is filled with guest host liquid crystals. The substrate has a driving circuit. The driving circuit is connected to the control electrode. The driving circuit drives the guest host liquid crystals to deflect and so as to adjust an aperture.

Abstract: An inward folding electronic device includes a first housing, a second housing, and a flexible display module; where a first area of the flexible display module is a semi-transparent and semi-reflective display area, where the first area is corresponding to a connecting area between the first housing and the second housing; and in a case that the electronic device is in an unfolded state, the semi-transparent and semi-reflective display area displays information at a side facing away from the first housing and the second housing; and in a case that the electronic device is in a folded state, the semi-transparent and semi-reflective display area displays information at a side facing towards the first housing and the second housing.

Abstract: A method for controlling an electrical power system connected to a power grid includes receiving a reactive power command and a measured reactive power and generating a reactive power error signal based on a difference between the reactive power command and the measured reactive power. Further, the method includes receiving, via a reactive power regulator, the reactive power error signal. Moreover, the method includes generating, via the reactive power regulator, a voltage command based on the error signal. The method also includes generating, via a droop control, a voltage droop signal. In addition, the method includes generating a voltage error signal as a function of the voltage droop signal and at least one of the voltage command or a measured terminal voltage. Thus, the method further includes generating, via a voltage regulator, a reactive current command based on the voltage error signal.

Abstract: In a data prefetching method, a storage device obtains a first sequence stream length and a first access count of a target logical block after execution of a first data access request is completed. When a second data access request is received, the storage device modifies the first sequence stream length to a second sequence stream length and modifies the first access count to a second access count. The storage device further calculates a sequence degree of the target logical block based on the second sequence stream length and the second access count, and performs a data prefetching operation when the sequence degree of the target logical block exceeds a first prefetch threshold.

Abstract: In a data prefetching method, a storage device obtains a first sequence stream length and a first access count of a target logical block after execution of a first data access request is completed. When a second data access request is received, the storage device modifies the first sequence stream length to a second sequence stream length and modifies the first access count to a second access count. The storage device further calculates a sequence degree of the target logical block based on the second sequence stream length and the second access count, and performs a data prefetching operation when the sequence degree of the target logical block exceeds a first prefetch threshold.

Abstract: A method for controlling an electrical power system connected to a power grid includes receiving a reactive power command and a measured reactive power and generating a reactive power error signal based on a difference between the reactive power command and the measured reactive power. Further, the method includes receiving, via a reactive power regulator, the reactive power error signal. Moreover, the method includes generating, via the reactive power regulator, a voltage command based on the error signal. The method also includes generating, via a droop control, a voltage droop signal. In addition, the method includes generating a voltage error signal as a function of the voltage droop signal and at least one of the voltage command or a measured terminal voltage. Thus, the method further includes generating, via a voltage regulator, a reactive current command based on the voltage error signal.

Abstract: Provided are a display panel, a display device, and a display panel control method. The display panel includes a display area and a non-display area. The non-display area includes a first area and a second area, and at least one first force-sensing sensor is provided in the first area and/or the second area. A plurality of touch electrodes and a plurality of touch signal lines respectively electrically connected to each of the touch electrodes are provided in the display area, and the touch signal lines include at least one multiplexed signal line respectively corresponding to each of the at least one first force-sensing sensor. The display area further includes at least one transverse connecting line. The display panel further includes at least one switch device, each of which and a corresponding transverse connecting line are connected in series between a corresponding first force-sensing sensor and a corresponding multiplexed signal line.

Abstract: An integrated touch display panel and display device are disclosed. The integrated touch display panel comprises a touch emitting electrode array, a touch sensing electrode array, a black matrix, and color filters. The forward projection of any one of the touch sensing electrodes to the touch emitting electrode array at least partially overlaps with any one of the touch emitting electrodes. The black matrix comprises a plurality of black matrix rows and a plurality of black matrix columns. The color filters are separated by each of the black matrix rows and each of the black matrix columns, to form a plurality of array arrangements of display pixels. The touch sensing electrode is a mesh electrode, and the black matrix at least partially covers an orthogonal projection of the mesh electrodes to the black matrix.

Abstract: An array substrate, a display panel, and a driving method are provided. The array substrate includes a plurality of sub-pixels arranged in an array along a row direction and a column direction, and a plurality of touch-control electrodes arranged along the row direction. Each touch-control electrode includes a plurality of touch-control sub-electrodes arranged along the row direction. Each touch-control sub-electrode provides a data signal to a column of sub-pixels during a display stage, respectively, and each touch-control sub-electrode receives a touch detection signal during a touch detection stage.

Abstract: A direct current (DC) circuit breaker for power transmission or distribution system includes a current sensor for sensing current of a system, a controller, a physical switch, and multiple switch modules. The multiple switch modules are electrically coupled to the current sensor and the physical switch in series. Each switch module includes multiple base elements electrically coupled in parallel. Each base element includes a first silicon carbide (SiC) metal-oxide-semiconductor field-effect transistor (MOSFET) and a second SiC MOSFET electrically coupled in an opposite series connection mode. The first and second SiC MOSFETs are configured in a synchronous rectification mode by channel reverse conduction control. The controller controls the multiple switch modules to connect current in the system, and break current of the multiple switch modules according to sensed current signals from the current sensor.

Abstract: Provided are a display panel, a display device, and a display panel control method. The display panel includes a display area and a non-display area. The non-display area includes a first area and a second area, and at least one first force-sensing sensor is provided in the first area and/or the second area. A plurality of touch electrodes and a plurality of touch signal lines respectively electrically connected to each of the touch electrodes are provided in the display area, and the touch signal lines include at least one multiplexed signal line respectively corresponding to each of the at least one first force-sensing sensor. The display area further includes at least one transverse connecting line. The display panel further includes at least one switch device, each of which and a corresponding transverse connecting line are connected in series between a corresponding first force-sensing sensor and a corresponding multiplexed signal line.

Abstract: A drilling system, comprising: a plurality of drilling drive systems; a fracturing drive system; a centralized power supply system electrically coupled to said drilling drive systems and said fracturing drive system to supply power thereto; and a plurality of distributed power supply systems electrically coupled to said drilling drive systems to supply additional power thereto during peak loading of a respective one of the plurality of drilling drive systems.

Abstract: An integrated touch display panel and display device are disclosed. The integrated touch display panel comprises a touch emitting electrode array, a touch sensing electrode array, a black matrix, and color filters. The forward projection of any one of the touch sensing electrodes to the touch emitting electrode array at least partially overlaps with any one of the touch emitting electrodes. The black matrix comprises a plurality of black matrix rows and a plurality of black matrix columns. The color filters are separated by each of the black matrix rows and each of the black matrix columns, to form a plurality of array arrangements of display pixels. The touch sensing electrode is a mesh electrode, and the black matrix at least partially covers an orthogonal projection of the mesh electrodes to the black matrix.

Abstract: A circuit breaker comprising a superconducting fault current limiter and a circuit breaker module, wherein the superconducting fault current limiter and the circuit breaker module are connected in series. The circuit breaker module includes a disconnector, a first semiconductor switch unit, and a second semiconductor switch unit, wherein the disconnector is connected in series with the first semiconductor switch unit, and also connected in series with the superconducting fault current limiter, and the second semiconductor switch unit is connected in parallel with the disconnector and first semiconductor switch unit that are connected in series. The circuit breaker can quickly and securely interrupt a circuit when an overcurrent fault occurs on the circuit.

Abstract: An array substrate, a display panel, and a driving method are provided. The array substrate includes a plurality of sub-pixels arranged in an array along a row direction and a column direction, and a plurality of touch-control electrodes arranged along the row direction. Each touch-control electrode includes a plurality of touch-control sub-electrodes arranged along the row direction. Each touch-control sub-electrode provides a data signal to a column of sub-pixels during a display stage, respectively, and each touch-control sub-electrode receives a touch detection signal during a touch detection stage.

Abstract: An exemplary power conversion system includes a first power conversion module, a second power conversion module, and a controller. The first power conversion module includes a first source side converter, a first load side converter, and a first DC link coupled between the first source side converter and the second load side converter. The second power conversion module includes a second source side converter, a second load side converter, and a second DC link coupled between the second source side converter and the second load side converter. The controller is configured to generate a number of switching signals according to a circuit structure of the power source module or a circuit structure of the load module. The switching signals are provided to the first power conversion module and the second power conversion module to balance a first DC link voltage and a second DC link voltage.

Abstract: A drilling system, comprising: a plurality of drilling drive systems; a fracturing drive system; a centralized power supply system electrically coupled to said drilling drive systems and said fracturing drive system to supply power thereto; and a plurality of distributed power supply systems electrically coupled to said drilling drive systems to supply additional power thereto during peak loading of a respective one of the plurality of drilling drive systems.

Abstract: A system for power conversion includes a power converter having switching elements, a detector, and a controller is provided. The detector detects a parameter and provides electrical signals indicative of the parameter. The controller receives the electrical signals transmitted from the detector, and sends commands to instruct the power converter to perform power conversion by operating the switching elements in accordance with switching signals at a different frequency in response to a detection of the system condition. A method for operating the system is also provided.