15786 results about "Electric devices" patented technology

Methods for displaying user interfaces in a computer-generated environment provide for an efficient and intuitive user experience. In some embodiments, user interfaces can have different immersion levels. In some embodiments, a user interface can have a respective immersion level based on its location in the three-dimensional environment or distance from the user. In some embodiments, a user interface can have a respective immersion level based on the state of the user interface. In some embodiments, a user interface can switch from one immersion level to another in response to the user's interaction with the user interface.

The invention discloses a vehicle, a driving track generation method, electronic equipment, a storage medium and a product, and relates to the technical field of intelligent driving. The method comprises the following steps: inputting bird's-eye view angle characteristics of an all-round view image of a vehicle into a computer vision model to obtain a plurality of candidate initial driving tracks; and selecting a target visual language model according to the driving instruction, generating a trajectory correction cue word according to each candidate initial driving trajectory, the look-around image, the driving state information and the driving instruction, and performing trajectory correction on each candidate initial driving trajectory by using the target visual language model. And calculating the driving cost of each candidate driving track based on different types of driving cost weight coefficients determined by the look-around image, and finally outputting the candidate driving track with the lowest driving cost as the driving track of the vehicle at the next moment. According to the invention, the problem that the track generation quality cannot meet the real demand of a user in related technologies can be solved, and the track prediction accuracy and reliability are effectively improved.

To provide a game machine including main control-frame control means which improves the amusement of a game.SOLUTION: In a game machine according to the invention, main control means counts the number of winnings of game balls in an opening state of a normal electric accessory; when the number of winnings reaches a predetermined number, can control the normal electric accessory to bring it into a closed state; can send winning information based on the winnings of game balls into the normal electric accessory to frame control means; counts the number of winnings of game balls in an opening state of a big winning port in a jackpot game state; when the number of winnings reaches a predetermined number, can control the big winning port to bring it into a closed state; can send winning information based on the winnings of game balls into the big winning port to the frame control means; and can send pieces of the winning information corresponding to the number of times of winnings during a predetermined period different from each opening time. The frame control means can execute a count process independent from that of the main control means on the basis of the winning information and can display a resultant count number.SELECTED DRAWING: Figure 78

A pipe inspection system includes a cable storage drum and a housing configured to removably receive and rotatably support the cable storage drum. A push-cable with a plurality of conductors is stored in the drum. An inspection camera may be attached to a distal end of the push-cable. The drum includes a hollow core outer cone configured to accept an inner core removable module. The removable module may include electrical, mechanical, wireless, satellite, and power / battery interfaces. The module mates with a contact plate sealed inside the inner cone. The inner core components, including the battery module, are stationary relative to the inner core. The inner core is free to rotate bidirectionally inside the outer cone as the camera is being fed into, and out of a pipe or conduit for inspection. Slip-rings are not required to maintain connectivity because the electronics and battery module are stationary relative to each other.

To provide a game machine equipped with main control-frame control means for improving amusement properties of a game.SOLUTION: In a game machine of the present invention, main control means can count the number of winning game balls in an open state of a normal electric accessory, can control the normal electric accessory to a closed state when the number of winning game balls reaches a predetermined number, and can transmit winning information based on the winning of the game balls in the normal electric accessory to frame control means. The frame control means can execute counting processing independent of counting in the main control means on the basis of the winning information, and can display the counting value.SELECTED DRAWING: Figure 78

To provide a game machine including main control-frame control means which improves the amusement of a game.SOLUTION: In a game machine according to the invention, main control means counts the number of winnings of game balls in an opening state of a normal electric accessory; when the number of winnings reaches a predetermined number, can control the normal electric accessory to bring it into a closed state; can send winning information based on the winnings of game balls into the normal electric accessory to frame control means; counts the number of winnings of game balls in an opening state of a big winning port in a jackpot game state; when the number of winnings reaches a predetermined number, can control the big winning port to bring it into a closed state; and can send winning information based on the winnings of game balls into the big winning port to the frame control means. The frame control means can execute a count process independent from that of the main control means on the basis of the winning information and can display a resultant count number.SELECTED DRAWING: Figure 78

The invention relates to the field of environmental monitoring, and discloses a plateau region carbon emission monitoring management method and system, electronic equipment and a medium, and the method comprises the following steps: constructing an atmospheric boundary layer dynamic model for a plateau low-pressure and strong-turbulence environment, and achieving environmental adaptability modeling by correcting a turbulence diffusion coefficient and localized combustion efficiency; based on unmanned aerial vehicle group dynamic path planning and a ground station collaborative sensing network, flight parameters are adjusted in real time in combination with the concentration gradient, and time-space continuous multi-source fusion monitoring data are generated; a high-resolution carbon emission field is output through embedding a combustion efficiency correction factor and a space correlation graph structure by adopting a data assimilation algorithm with mixed ensemble Kalman filtering and a graph convolutional network; and constructing frozen soil degradation index parameters, and driving a transfer learning early warning model to realize methane flux dynamic prediction and multi-stage early warning triggering. According to the invention, the problems of insufficient carbon emission monitoring precision and lack of frozen soil degradation correlation evaluation in a plateau complex environment are solved.

The invention discloses a foundation pit dewatering treatment method and system, electronic equipment and a storage medium, and relates to the field of foundation pit dewatering treatment. The method comprises the following steps: acquiring various data from sensors mounted at preset positions around a foundation pit and inside the foundation pit, integrating the various data with meteorological data and geological survey data, and establishing a space-time database; according to the data in the space-time database, using a preset LSTM neural network model to predict a first water level change in a future preset time, and according to the three-dimensional seepage field dynamic simulation engine, using a soil parameter inversion algorithm of machine learning to invert soil parameters; according to the first water level change, a variable frequency pump group cooperative control algorithm is used for cooperative control over the pump set, and pump set operation parameters are dynamically adjusted for drainage; and controlling the recharge pressure and the water quality according to the second water level change of the foundation pit after drainage and the soil parameters. According to the technical scheme, efficient and intelligent treatment of foundation pit dewatering is achieved.

To provide a game machine equipped with main control means and frame control means for enhancing game interest.SOLUTION: In a game machine of the present invention, main control means counts a number of winning game balls in an open state of a general electric accessory in a predetermined time and is capable of controlling the general electric accessory to a closed state when the number of winning game balls reaches a predetermined number. Based on winning of game balls into the general electric accessory, the main control means can transmit winning information corresponding to the number of winnings in a predetermined period different from the predetermined time to frame control means. The frame control means can perform counting processing independently of the counting performed by the main control means based on the winning information and can display the count value.SELECTED DRAWING: Figure 78

The invention discloses a welding spot defect detection method, electronic equipment and a storage medium. The mode relates to the field of image detection, and the method comprises the following steps: obtaining a to-be-detected image of a to-be-detected welding spot; edge detection is carried out on the to-be-detected image, a welding spot edge image of the to-be-detected welding spot is obtained, and the welding spot edge image is used for representing contour features of the to-be-detected welding spot in the image space; parameter extraction is conducted on the welding spot edge image, welding spot shape information of the to-be-detected welding spot is obtained, and the welding spot shape information is used for representing shape features of the to-be-detected welding spot in a parameter space; welding spot defect detection is conducted on the to-be-detected welding spot based on the welding spot shape information, a defect detection result is obtained, and the defect detection result is used for representing whether the to-be-detected welding spot has welding defects or not. According to the invention, the technical problem of low efficiency of detecting the welding spot defect in the prior art is solved.

The present application relates to the technical field of power grid frequency modulation, and in particular provides a novel frequency modulation method and system for a supercapacitor coupled lithium battery. The method comprises: determining a hybrid energy storage response demand on the basis of a received frequency modulation instruction; decomposing the hybrid energy storage response demand by means of an improved VMD algorithm to obtain a target number of modal components, wherein the improved VMD algorithm is obtained by optimizing parameters of a traditional VMD algorithm using a comprehensive rating index, and the comprehensive rating index is obtained on the basis of various indexes; dividing the target number of modal components to obtain a high-frequency component and a low-frequency component; and controlling a supercapacitor to respond according to the high-frequency component, and controlling a lithium battery to respond according to the low-frequency component. By utilizing the method of the present application, the power distribution result of hybrid energy storage devices can be optimized.

The invention relates to the field of super-hydrophobic materials, in particular to a basalt fiber composite material as well as a preparation method and application thereof. According to the composite fabric material provided by the invention, a multistage micro-nano rough surface of the MoS2 nanoflowers and the silver nanoparticles is constructed on the fiber substrate, so that not only is super-hydrophobic self-cleaning realized, but also the anti-icing performance is relatively high, and particularly, rapid heating is realized by combining broadband absorption of the MoS2 nanoflowers and a local surface plasma resonance effect of the silver nanoparticles; and meanwhile, the silver nanoparticles accelerate heat conduction, so that excellent ice melting capability is obtained. The high conductivity of the silver nanoparticles constructs a conductive path, and the layered structure of MoS2 triggers interface polarization, so that the electromagnetic shielding effectiveness of the X wave band is improved. The dual antibacterial mechanism of the MoS2 nanoflowers and the silver nanoparticles also realizes broad-spectrum efficient antibiosis, the preparation method is green and environment-friendly, the cost is low, and the requirements of complex scenes such as wearable electronic equipment, medical protection, polar region protection and national defense can be met.

The invention discloses an ocean and atmosphere multi-physical field prediction method and system based on a multi-scale map neural network, electronic equipment and a medium, and mainly solves the problems of one-sidedness and lack of ocean and atmosphere physical field interaction mechanisms in ocean-atmosphere coupling modeling in the prior art. According to the implementation scheme, ocean and atmosphere historical observation data are obtained and preprocessed; a multi-scale graph neural network model comprising an encoder, multiple grids, a processor and a decoder is constructed, the multiple grids are connected with a local high-resolution grid and a global low-resolution grid through shared nodes and cross-scale edges, and bidirectional information flow is achieved; iteratively optimizing parameters of the multi-scale graph neural network model by using the training set; and the performance of the model is evaluated and optimized through the test set, and finally a high-precision prediction result is generated. The method can synchronously predict the multi-physical field parameters such as the hybrid wave height, the wave period, the temperature and the wind speed, remarkably improves the calculation efficiency and the prediction precision, and can be widely applied to global climate analysis, marine disaster early warning and air-sea interaction research.

A battery state-of-energy health assessment method and apparatus, and an electronic device and a readable storage medium. The method comprises: acquiring state-of-energy health data, wherein the state-of-energy health data is the ratio of dischargeable energy of a battery under fixed C-rate operating conditions at different states of aging to dischargeable energy of the battery under the same C-rate operating conditions at an initial stage of the battery (S101); acquiring charging energy of the battery of a target vehicle at different temperatures, and acquiring the ratio of the charging energy to theoretical charging energy (S102); and using a preset algorithm to assess the state-of-energy health data and the ratio of the charging energy to the theoretical charging energy, in order to obtain an assessment result (S103). In the method, acquiring battery state-of-energy health data and the ratio of charging energy to theoretical charging energy achieves comprehensive assessment of battery state-of-energy health from two perspectives, so as to more rationally estimate the residual driving range of electric vehicles, thereby achieving more accurate estimation results.

A method of 3D object detection using an object detection neural network includes: receiving one or more monocular images; extracting 2D feature maps from each one of the one or more monocular images by passing the one or more monocular images through a 2D feature extracting part of the object detection neural network, generating an averaged 3D voxel volume based on the 2D feature maps, extracting a 2D representation of 3D feature maps from the averaged 3D voxel volume by passing the averaged 3D voxel volume through an encoder of a 3D feature extracting part of the object detection neural network, and performing 3D object detection as 2D object detection in a Bird's Eye View (BEV) plane, the 2D object detection in the BEV plane being performed by passing the 2D representation of 3D feature maps through thane outdoor object detecting part of the object detection neural network.

The invention provides a rearview mirror control method, electronic equipment and a vehicle, and relates to the field of rearview mirror system control, and the method comprises the steps: in response to determining that the target brightness of an obtained front-view image is smaller than a first brightness threshold value, recognizing a light spot in an obtained rear-view image, determining the brightness of the light spot according to the image information of the rear-view image, and determining the brightness of the light spot according to the brightness of the light spot; determining the target brightness of the rearview image based on the brightness of the light spot; in response to the fact that the target brightness of the rearview image is larger than a second brightness threshold value, the reflection effect of the exterior rearview mirror is adjusted according to the target brightness of the rearview image based on the anti-dazzling function of the exterior rearview mirror; wherein the first brightness threshold value is smaller than the second brightness threshold value; according to the invention, the interference of strong light on the driving sight can be reduced, the response accuracy and adjustment efficiency of the anti-dazzling mode are improved, and the safety and comfort of driving in a complex scene are enhanced.

The invention discloses a glass ceramic and a preparation method thereof, and an electronic equipment cover plate and an electronic equipment cover plate assembly prepared from the glass ceramic, the overall crystallinity of the glass ceramic is 60%-95%, the crystalline phase is lithium disilicate and petalite, and the weight ratio of the lithium disilicate crystalline phase to the petalite crystalline phase is greater than or equal to 1.5. The microcrystalline glass provided by the invention has specific glass composition and crystalline phase structure, and by utilizing the synergistic effect of the glass composition and the high lithium disilicate crystalline phase structure, not only is the microcrystalline glass product endowed with high elastic modulus, but also the microcrystalline glass product can obtain an expected stress structure after chemical strengthening treatment; particularly, the high center tensile stress (CT-CV) and the large average tensile stress (CT-AV) are achieved.

Antenna elements and electronic devices are provided, including an antenna element includes a first radiator, a second radiator, and a radiator array. The first radiator is connected to a ground plane through a grounding component, the second radiator is spaced from the ground plane and disposed opposite to the ground plane, and the second radiator and the first radiator are spaced apart. The radiator array is spaced from the first radiator and disposed opposite to the first radiator, and is located on a side that is of the first radiator and that is further from the ground plane. The radiator array includes at least two sub-radiators, and the at least two sub-radiators are spaced from each other in an extension direction of a plane on which the radiator array is located. The first radiator includes a first hollow region, and the radiator array includes a second hollow region.

The present invention provides an automatic focusing method, an electronic device, and a readable storage medium. The automatic focusing method comprises: using a target detection model to detect a target object in an image frame acquired at an initial focal length by an optical imaging device to be focused, so as to acquire a target object detection result; on the basis of the target object detection result, determining whether a target object is present in the image frame; if yes, determining an actual object distance on the basis of the target object detection result and the initial focal length, and on the basis of the actual object distance and a mapping relationship between the object distance and an optimal imaging focal length, determining the optimal imaging focal length; and if not, using a preset search algorithm to search for a focal length until an image having the highest definition value is found, and using a focal length corresponding to the image having the highest definition value as the optimal imaging focal length. The present invention primarily employs a deep learning-based automatic focusing method, supplemented by an image definition evaluation method. Compared with traditional passive focusing methods, the present invention greatly improves the focusing efficiency. Compared with traditional active focusing methods, the present invention eliminates a need for adding an additional optical ranging component, ensuring that the imaging device has a simple structure and a low cost.

The invention discloses a video editing method and device, electronic equipment and a nonvolatile storage medium. The method comprises the following steps: acquiring an audio data stream of a target video, and segmenting the audio data stream into a plurality of audio clips; determining a classification result corresponding to the audio clip, and determining a time period corresponding to the audio clip as a candidate ball hitting time period when the classification result is that the audio clip contains the ball hitting sound; acquiring a video frame corresponding to the candidate ball hitting time period in the target video, and judging that the candidate ball hitting time period is a real ball hitting time period under the condition that the visual feature of the video frame is matched with a preset ball hitting rule; and determining an editing time point according to the real ball hitting time period, and editing the target video according to the editing time point to obtain a ball hitting round video clip. The technical problem that the accuracy of ball hitting detection segment detection is low due to the fact that ball hitting detection is conducted only through sound and is easily interfered by environmental noise in the prior art is solved.

A scheduling method for managing network congestion includes: determining, in response to link congestion in a network, a plurality of queue pairs (QPs) on a congested link in the network; determining, from the plurality of QPs on the congested link, a target QP for scheduling out from the congested link; determining a target traffic-forwarding path based on traffic of links in the network, the target traffic-forwarding path being configured for forwarding traffic of the target QP; determining a changed route of the target QP based on a target address of the target QP and the target traffic-forwarding path; and delivering the changed route to a target source local area network access (LA) device of the target QP, the target source LA device being configured to output, based on the changed route, the traffic of the target QP through the target traffic-forwarding path.

The disclosure describes a screen window liquid metal pad disposed between two opposing elements of an electronic device so as to provide a thermal pathway for an efficient heat transfer from one element to the other, comprising: a screen window and a liquid metal, wherein the screen window includes a frame with a window and a thermal conductive mesh; wherein the frame includes a top piece and a bottom piece, a peripheral portion of the thermal conductive mesh is fixed between the top and bottom pieces through an adhesive and the remaining portion forms a window screen covering the window of the frame; and wherein the liquid metal fills in and covers at least part of a middle portion of the window screen.

The invention discloses a battery replacement cabinet site selection recommendation method and device, a storage medium and electronic equipment, and relates to the technical field of mobile communication. The method comprises the following steps: acquiring basic data of a deployed power conversion cabinet and a map divided by functional areas; based on the basic data and the map divided by the functional areas, generating a three-dimensional map for the site selection of the power conversion cabinet, and obtaining a to-be-selected range on the three-dimensional map; performing spatial interpolation on the range to be subjected to site selection to obtain a plurality of positions to be subjected to site selection, and determining a functional area which can be covered by each position to be subjected to site selection in the plurality of positions to be subjected to site selection; on the basis of the functional area capable of being covered by each to-be-selected location and the basic data, performing power conversion cabinet space layout rationality evaluation on each to-be-selected location by using the power conversion cabinet utilization rate influence factor to obtain a space layout rationality evaluation result corresponding to each to-be-selected location; and screening out a recommended site selection position according to a spatial layout rationality evaluation result. According to the invention, the site selection precision and site selection efficiency of the power conversion cabinet can be improved.

The embodiment of the invention discloses a scene completion method and device, electronic equipment and a storage medium. According to the embodiment of the invention, a three-dimensional point cloud and a plurality of two-dimensional images of a to-be-modeled scene can be obtained, the three-dimensional point cloud is composed of a plurality of points, and the two-dimensional images are pictures obtained by shooting the to-be-modeled scene at any view angle; semantic segmentation is carried out on the two-dimensional image to obtain a semantic image, and the semantic image is a two-dimensional image of which each pixel is labeled with a semantic label; performing coordinate alignment processing on the semantic image and each point in the three-dimensional point cloud to obtain a semantic point cloud which is a three-dimensional point cloud of which each point is associated with a semantic tag; obtaining fusion features of the three-dimensional point cloud, the two-dimensional image and the semantic point cloud; determining a scene missing area in the scene to be modeled based on the semantic point cloud; and complementing the scene missing area of the scene to be modeled based on the fusion feature to obtain a complete scene. According to the embodiment of the invention, the missing content of the scene in the to-be-modeled scene can be accurately complemented.

The invention discloses a motor control method and device, electronic equipment and a storage medium. The method comprises the following steps: acquiring a three-phase current, converting the three-phase current into a total current of a current period in a static coordinate system, and extracting a high-frequency current of the current period from the total current; extracting a rotor position and a rotor rotating speed from the high-frequency current; compensating the rotor rotating speed by using the expected rotating speed to obtain a quadrature-axis expected current; converting the total current into a quadrature-direct axis coordinate system, extracting a fundamental frequency current from the quadrature-direct axis coordinate system, compensating the fundamental frequency current by using a quadrature axis expected current and a direct axis bias current to obtain a first expected voltage, superposing the first expected voltage and a direct axis high-frequency voltage, and performing coordinate system conversion on a superposition result by using a rotor position to obtain a second expected voltage; obtaining a second expected voltage under the static coordinate system; and the three-phase current of the current period is controlled according to the second expected voltage to drive the motor, so that the motor has more obvious salient polarity through the direct-axis bias current, and vector control over the electrode is achieved.

A battery pack including a housing and a switching circuit. The housing supports a battery cell. The housing includes an interface for an electronic device. The interface includes a first positive power terminal and a second positive power terminal connected to the battery cell. A first negative power terminal and a second negative power terminal are connected the battery cell. The switching circuit operable to control the interface into a first configuration where power from the battery cell is only transferred from the battery cell to the electronic device using the first positive power terminal and the first negative power terminal, and control the interface into a second configuration where power from the battery cell is transferred from the battery cell to the electronic device using the first positive power terminal, the second positive power terminal, the first negative power terminal, and the second negative power terminal.

The embodiment of the invention provides a data transmission method and device based on a network-on-chip, electronic equipment and a readable storage medium. The method comprises the steps that a data packet is received, and a target routing node corresponding to the data packet is determined; determining a next-hop routing node corresponding to the routing node from the tree topology structure according to the receiving direction of the data packet and the position of the routing node in the tree topology structure; the tree topology structure is a structure for connecting configuration channels of the routing nodes; and sending the data packet to the next-hop routing node, so that the next-hop routing node determines the corresponding next-hop routing node until the next-hop routing node is the target routing node, sending the data packet to the target routing node, so that the target routing node performs configuration according to the data packet, and sending the configured data packet to the next-hop routing node, so that the next-hop routing node determines the corresponding next-hop routing node until the next-hop routing node is the target routing node. The bandwidth utilization rate during data transmission is improved, and the real-time performance of data transmission is improved.

1. The name of the design product: magnetic refrigeration three-in-one wireless charger (W105). 2. The use of the design product: the design product is a magnetic refrigeration three-in-one wireless charger, which is used to charge electronic devices such as watches, mobile phones, and Bluetooth earphones. 3. The design points of the design product: in shape. 4. The picture or photo that best indicates the design points: unfolded state perspective view 1.