Abstract: The present disclosure provides a risk assessment method of water inrush in tunnels constructed in water-rich grounds. The method includes the following steps: simulating a tunnel excavation process by finite element software MIDAS GTS NX and fluid-structure interaction; according to a research method of control variables, analyzing effects of a groundwater level, an elastic modulus and advanced pipe shed grouting on the stability of surrounding rock, and improving an algorithm of a radial basis function (RBF) neural network using a Grey Relation Analysis (GRA)-based Partitioning Around Medoid (PAM) clustering algorithm to assess risks of water inrush occurring in Qingdao area.

Abstract: The present disclosure provides a self-learning collaborative control method for active steering and yaw moment for a motor vehicle, including a first step of constructing fundamental formulas which are stored in a vehicle ECU, and a second step of calculating an active steering angle ?C and a yaw moment Mc on line by the vehicle ECU according to following sub-steps during a driving process of the motor vehicle, and controlling a driving state of the motor vehicle according to ?C and Mc. The second step includes a first sub-step of collecting raw real-time parameter values, a second sub-step of performing calculation by the identifier and the control target reference model, a third sub-step of calculating ?C and Mc. The present disclosure can realize the self-learning collaborative control of active steering and yaw moment without requiring a system control model and correct a driver's steering operation.

Abstract: An induction heating system for a silicon steel core with a self-adhesive coating that includes an induction heating device having a columnar induction heating coil with a hollow cavity that carries out induction heating on a silicon steel plate at a medium frequency of 6-20 KHz. By rapid induction heating at a medium frequency, a silicon steel core with a self-adhesive coating can be rapidly cured, thereby greatly shortening the processing time, improving production efficiency, and facilitating automated operation in the production of a silicon steel core with a self-adhesive coating. The system also ensures the quality of the cured core products that can be widely applied in the field of the production of silicon steel cores with a self-adhesive coating.

Abstract: The present disclosure provides a multi-factor quantitative analysis method for deformation of a neighborhood tunnel. The method includes the following steps: analyzing monitoring data generated at a tunnel site; simulating collapse occurring at a shallow buried section of a tunnel; determining the degree of influence of each factor on the tunnel and a stratum; and determining quantitative influence of each factor on tunnel deformation. The present disclosure can not only provide an accurate theoretical basis for the construction of the shallow buried section of the small-distance tunnel, but also guarantee safety and cost saving during tunnel construction.

Abstract: A pan-tilt-zoom device includes a housing, a carrier, an image sensor, and a shape memory alloy (SMA) motor. An accommodating cavity is formed in the housing, and a first opening in communication with the accommodating cavity is provided on the housing. The carrier is located in the accommodating cavity, the carrier has a lens mounting hole, and an opening at one end of the lens mounting hole faces the first opening. The image sensor is located in the accommodating cavity and is disposed on a side that is of the carrier and that is away from the first opening, and a photosensitive surface of the image sensor faces an opening at the other end of the lens mounting hole. The SMA motor is configured to drive the carrier to tilt in the accommodating cavity along with the image sensor in any direction around, to implement optical image stabilization.

Abstract: The present disclosure discloses an aluminum alloy frame and power cell compartment integration structure, including an aluminum alloy frame and a power cell compartment. The aluminum alloy frame includes left and right longitudinal beams and several cross beams; the power cell compartment includes left and right supports, a bottom plate, a framework, an upper cover, and a charging port; the left and right supports, the upper cover and the bottom plate are respectively mounted on two side surfaces, a top and a bottom of the framework; a power cell is assembled in the framework of the power cell compartment; the charging port connected to the power cell is formed in the framework; and the power cell compartment is detachably assembled between the left and right longitudinal beams of the aluminum alloy frame through the left and right supports on the two side surfaces of the framework.

Abstract: The present disclosure provides a manufacturing method of a display substrate, a display substrate and a display device, belongs to the field of display technology, and can at least partially solve a problem of residual sand in the display substrate. The manufacturing method of the display substrate includes: providing a base; forming a passivation layer on a surface of the base; forming an amorphous oxide conductive material layer on a surface of the passivation layer facing away from the base; forming a photoresist pattern on the oxide conductive material layer, the photoresist pattern having an exposure region; etching a portion of the oxide conductive material layer in the exposure region of the photoresist pattern to form a hollow position exposing a portion of the passivation layer; and removing a certain thickness material of the portion of the passivation layer exposed through the hollow position.

Abstract: The present invention discloses a shaft-tube joint structure of a carbon fiber reinforced plastic (CFRP) drive shaft. The shaft-tube joint structure includes a hollow shaft tube, a plurality of first rectangular teeth being uniformly and circumferentially arranged at both ends of the hollow shaft tube; two shaft-tube joints which are respectively fixed at two ends of the hollow shaft tube, the thickness of the shaft-tube joint being smaller than that of the hollow shaft tube, and an inner wall of the shaft-tube joint being smoothly connected to an inner wall of the hollow shaft tube; and a universal joint, an end thereof being tubular, a plurality of second rectangular teeth being uniformly and circumferentially arranged, the universal joint being matched with and sleeving the outer wall of the shaft-tube joint, and the second rectangular teeth being meshed with the first rectangular teeth.

Abstract: A mask is provided in embodiments of the disclosure, at least including: a first light transmission area provided with a first optical filter film; and a second light transmission area provided with a second optical filter film; the first optical filter film and the second optical filter film comprise respective materials through which light of different frequency ranges is optically filtered, respectively. A method for manufacturing a mask, a lithography method, a display panel, a display device, and an exposure device are further provided in embodiments of the disclosure.

Abstract: A variable thickness rim structure made of carbon fiber composite includes an outer ply block, that is paved as an outer side of the rim structure; an upper ply block, that is paved as an upper part of an inner side of the rim structure; a lower ply block, that is paved as a lower part of the inner side of the rim structure; a filling ply block, that is paved among the outer ply block, the upper ply block, and the lower ply block, where a first end of the upper ply block and a first end of the lower ply block extend inwards to form an annular connecting flange; a second end of the upper ply block extends upwards and a second end of the lower ply block extends downwards to form a rim ring together with the outer ply block.

Abstract: The present disclosure relates to a novel high-low temperature radiator for internal combustion engine engineering machinery, which is provided with a water inlet pipe, a water inlet chamber, a radiator core body, a water outlet chamber, a water separation plate and a water outlet pipe which are sequentially communicated, the water inlet pipe is communicated with the water inlet chamber, and the water inlet chamber is communicated with the radiator core body; the radiator core body is divided into two parts: a radiator low-temperature core body and a radiator high-temperature core body; the water outlet chamber is divided into two parts: a low-temperature water outlet chamber and a high-temperature water outlet chamber, and the water outlet pipe is divided into a low-temperature water outlet pipe and a high-temperature water outlet pipe according to the core body and the water chamber from which the cooling liquid flows.

Abstract: The present disclosure provides a manufacturing method of a display substrate, a display substrate and a display device, belongs to the field of display technology, and can at least partially solve a problem of residual sand in the display substrate. The manufacturing method of the display substrate includes: providing a base; forming a passivation layer on a surface of the base; forming an amorphous oxide conductive material layer on a surface of the passivation layer facing away from the base; forming a photoresist pattern on the oxide conductive material layer, the photoresist pattern having an exposure region; etching a portion of the oxide conductive material layer in the exposure region of the photoresist pattern to form a hollow position exposing a portion of the passivation layer; and removing a certain thickness material of the portion of the passivation layer exposed through the hollow position.

Abstract: A mask is provided in embodiments of the disclosure, at least including: a first light transmission area provided with a first optical filter film; and a second light transmission area provided with a second optical filter film; the first optical filter film and the second optical filter film comprise respective materials through which light of different frequency ranges is optically filtered, respectively. A method for manufacturing a mask, a lithography method, a display panel, a display device, and an exposure device are further provided in embodiments of the disclosure.

Abstract: The present disclosure relates to a novel high-low temperature radiator for internal combustion engine engineering machinery, which is provided with a water inlet pipe, a water inlet chamber, a radiator core body, a water outlet chamber, a water separation plate and a water outlet pipe which are sequentially communicated, the water inlet pipe is communicated with the water inlet chamber, and the water inlet chamber is communicated with the radiator core body; the radiator core body is divided into two parts: a radiator low-temperature core body and a radiator high-temperature core body; the water outlet chamber is divided into two parts: a low-temperature water outlet chamber and a high-temperature water outlet chamber, and the water outlet pipe is divided into a low-temperature water outlet pipe and a high-temperature water outlet pipe according to the core body and the water chamber from which the cooling liquid flows.

Abstract: An array substrate and a vehicle-mounted display device. A first transistor of the array substrate includes a source electrode connected with a pixel electrode, a drain electrode and a gate electrode, a compensation gate electrode connected with the gate electrode, the sum of an overlapping region of the source electrode and the gate electrode and an overlapping region of the source electrode and the compensation gate electrode is a first overlapping region. A second transistor includes a source electrode connected with a pixel electrode, a drain electrode and a gate electrode, a compensation gate electrode connected with the gate electrode, the sum of an overlapping region of the source electrode and the gate electrode and an overlapping region of the source electrode and the compensation gate electrode is a second overlapping region. An area of the first overlapping region is equal to an area of the second overlapping region.

Abstract: The present invention discloses a shaft-tube joint structure of a carbon fiber reinforced plastic (CFRP) drive shaft. The shaft-tube joint structure includes a hollow shaft tube, a plurality of first rectangular teeth being uniformly and circumferentially arranged at both ends of the hollow shaft tube; two shaft-tube joints which are respectively fixed at two ends of the hollow shaft tube, the thickness of the shaft-tube joint being smaller than that of the hollow shaft tube, and an inner wall of the shaft-tube joint being smoothly connected to an inner wall of the hollow shaft tube; and a universal joint, an end thereof being tubular, a plurality of second rectangular teeth being uniformly and circumferentially arranged, the universal joint being matched with and sleeving the outer wall of the shaft-tube joint, and the second rectangular teeth being meshed with the first rectangular teeth.