29results about How to "Reduce interface" patented technology

The invention provides an end-to-end automatic driving system and method. The system comprises an environment sensing module, a feature extraction module, a data fusion module, a decision generation model module and a decision analysis module. The environment sensing module comprises a plurality of types of sensors, and each sensor collects environment information data of different modes. The feature extraction module extracts features of each modal environment information data. And the data fusion module fuses the features of the modal environment information data to obtain fused features. The decision generation model module determines a driving decision by using a trained decision generation model based on the fusion features. And the decision analysis module converts the driving decision output by the decision generation model module into a specific vehicle control instruction. The method has higher adaptability to complex and dynamic driving scenes, reduces the cost of data annotation during training, and improves the generalization ability of the model in various driving scenes.

The invention discloses a technological method for refining oxygen-free copper plate crystal grains. The technological method comprises the following steps that an electrolytic copper plate is placed in a furnace bin to be melted, the surface of the electrolytic copper plate is covered with charcoal, semi-continuous casting billet drawing is carried out, and an oxygen-free copper cast ingot is produced; the oxygen-free copper casting blank is put into a heat preservation furnace to be preheated, the preheating temperature ranges from 800 DEG C to 900 DEG C, and the heat preservation time ranges from 2 hours to 3 hours; the preheated cast ingot is subjected to upsetting and drawing, the upsetting deformation is 50%-60%, the cast ingot is drawn to 150%-160% of the original cast ingot, and the upsetting and drawing times are 3-4 times; warm forging and square drawing are started, the warm forging temperature ranges from 700 DEG C to 750 DEG C, the cast ingot is upset to 50%-60% of the original length, square drawing is conducted to the needed blank length, and the final forging temperature is kept to be larger than or equal to 700 DEG C; the blank is cooled to the room temperature, cold forging is started, multiple passes of cold forging are conducted, the rolling reduction of each pass is 10%-15%, and the final cold forging deformation is 30%-60%; and the oxygen-free copper blank obtained after cold forging is subjected to aging heat treatment, the aging heat treatment temperature ranges from 350 DEG C to 450 DEG C, the aging heat treatment time ranges from 1 h to 2 h, air cooling is conducted after annealing, and the oxygen-free copper plate is obtained.

The lithium ion secondary battery comprises a positive plate, a negative plate, electrolyte and a diaphragm, the negative plate comprises a negative current collector and a negative active layer arranged on the negative current collector, the negative active layer comprises a first active layer and a second active layer which are arranged on the surface of the negative current collector, and the second active layer is arranged on the surface, far away from the negative current collector, of the first active layer; the first active layer comprises a first negative electrode active material, and the first negative electrode active material comprises first graphite; the second active layer comprises a second negative electrode active material, and the second negative electrode active material comprises silicon carbon; the electrolyte comprises 1, 3, 6-hexane trinitrile, the mass content of the 1, 3, 6-hexane trinitrile in the electrolyte is 0.5 wt%-10wt%, and the battery provided by the invention has a relatively high cycle capacity retention ratio.

According to the overflowing cut-off gas cylinder valve with the reset function, the reset mechanism is arranged on the sealing piece or the opening and closing assembly, in the process of closing the opening and closing assembly, the opening and closing assembly is close to the sealing piece, the reset mechanism can push away the sealing piece in sealing contact with the necking part, and then the sealing piece of the overflowing cut-off mechanism is reset. According to the reset mode provided by the overflowing cut-off gas cylinder valve, the requirement that the gas cylinder valve still resets and continues to be used after being cut off through the overflowing cut-off mechanism due to the too large flow can be met, meanwhile, the number of cylinder valve connectors is not increased, the leakage risk of the cylinder valve is not increased, and rapid and safe reset of the overflowing cut-off mechanism is achieved. The utility model further provides a gas cylinder device which comprises the overflowing cut-off gas cylinder valve with the reset function.

The invention relates to an all-in-one domain controller, and the controller comprises a frequency quantity input module which is used for collecting a sensor frequency quantity signal; the switching value input and output module is used for acquiring switching signals of the sensor and performing switching control on an actuator; the analog quantity input and output module is used for collecting analog signals of the sensor and performing analog control on an actuator; the power driving module is used for sending a driving control signal to an actuator; the controller attitude module is used for measuring a pitch angle, a roll angle and a course angle; the communication module is used for providing data communication; the power management module is used for providing power and power control management service; the central processor module controls the frequency quantity input module, the switching value input and output module, the analog quantity input and output module, the power driving module, the controller attitude module, the communication module and the power management module. A series of controllers applied to the whole vehicle are integrated into a control system, the number of ECUs is reduced, and the real-time data processing capacity is improved.

The invention provides a test sample and a preparation method thereof, and the preparation method comprises the steps: forming an initial sample: forming a groove in a semiconductor substrate layer, and enabling the groove to extend into a part of the semiconductor substrate layer from one side surface of the semiconductor substrate layer; forming a superlattice layer on the inner wall of the groove and the surface of the semiconductor substrate layer at the side part of the groove; forming an insulating protection layer on the surface of one side, deviating from the semiconductor substrate layer, of the superlattice layer; forming a conductive layer on the surface of one side, deviating from the superlattice layer, of the insulating protection layer, wherein the groove in one side, deviating from the insulating protection layer, of the conductive layer serves as a gap; and cutting the initial sample by adopting a focused ion beam to form a test sample, and enabling a cutting surface adopted by cutting to pass through the gap and to be vertical to the semiconductor substrate layer.

The present invention discloses a clothes dryer bracket, which is an inflatable bracket. The inflatable bracket includes at least three frames, which are connected as a whole to form an integrated frame. The inflatable bracket has a structure with a hollow accommodating space formed by connecting the frames, and air passages that are interconnected are provided between the frames; and an air pumping and inflation interface is provided on the integrated frame. The present invention also discloses a method for making a clothes dryer bracket, which includes the following steps: S1, making a sheet; S2, fixing it according to a set trajectory to form an integrated frame blank; S3, sealingly connecting the integrated frame blanks at both ends. The clothes dryer bracket of the present invention has fewer interfaces, and the integrated air passages are interconnected and not easy to leak. The finished product has uniform pressure resistance and high stability, and the design of the integrated frame structure also reduces the cost. The production method of the clothes dryer bracket of the present invention can reduce the difficulty of the production process, and effectively reduce the number of interfaces of the finished product, saving processing time and manufacturing cost.

The utility model relates to an oil cooling motor with a spraying oil pipe, which comprises a shell, a stator, a rotor and a spraying pipe assembly, a cover plate A and a cover plate B are respectively fixed at two ends of the shell, a gap is reserved between the stator and the shell, the spraying pipe assembly is fixed in the gap, the spraying pipe assembly comprises an axial spraying oil pipe and a circumferential spraying oil pipe which are connected with each other, oil holes are formed in the axial spraying oil pipe and the circumferential spraying oil pipe, an oil inlet pipe is further arranged on the shell, and the oil inlet pipe is communicated with the axial spraying oil pipe and / or the circumferential spraying oil pipe; the rotating shaft is provided with an axial oil duct, the axial oil duct is further provided with a side wall oil hole, the cover plate A or the cover plate B is provided with a radial oil inlet pipeline, one end of the radial oil inlet pipeline is communicated with the axial spraying oil pipe, the other end of the radial oil inlet pipeline extends outwards into the axial oil duct, the rotor core is provided with a radial oil throwing passage, and the side wall oil hole is communicated with the radial oil throwing passage. The stator of the motor is cooled more uniformly, and the overall heat dissipation efficiency is high.

The invention discloses an end underframe structure suitable for a slewing bearing bogie, comprising an end component, a stainless steel side beam, a bolster component, a traction beam component and an end reinforcement beam component. The invention is characterized in that the end component, the end reinforcement beam component and the stainless steel side beams on both sides constitute a square frame, a cross-shaped structure vertically connected by a bolster component and a traction beam component is connected inside the frame, a center hole is opened at the center of the bolster beam, a flange connector is arranged in the center hole for connecting the slewing bearing bogie, a car body and a bogie are connected only by a slewing bearing without other interfaces, so that the vehicle can be assembled quickly; the application of the slewing bearing increases the relative rotation angle between the car body and the bogie, and ensures the small curve passing ability of the vehicle. The invention simplifies the force relationship between the car body and the bogie, increases the accuracy of the finite element simulation analysis results, and contributes to the weight reduction design of the car body and the improvement of the vehicle comfort.

The application relates to a multi-channel circuit simplified self-powered flexible fabric keyboard, a preparation method and application, and relates to the field of textiles. The application combines a textile process and a friction nanometer generator technology to prepare a self-powered flexible fabric keyboard which is free of a power supply, soft and washable by arranging a sensing unit in a hollowed-out notch of a spacing layer; during the weaving process of the sensing unit of the self-powered flexible fabric keyboard, the surface of a dielectric layer is provided with an arch structure by changing the tension difference between two surfaces of the fabric, the relative surface area of the fabric is increased, and the electric signal of the sensing unit is amplified; in addition, the application can make different sensing units generate different waveform electric signals by changing the material of the dielectric layer and the arrangement combination of the sensing unit, reduce a line interface, and thus realize multi-channel circuit simplification.

The present invention provides a variable flow heat exchanger device suitable for electric vehicles, comprising: an off-vehicle heat exchanger body 1; the off-vehicle heat exchanger body 1 comprises: a first header 2, an inlet assembly 3, an outlet assembly 4, a second header 9, and a flat tube component 10; the inlet assembly 3 is connected to the first header 2; the outlet assembly 4 is connected to the first header 2; the flat tube component 10 is respectively connected to the first header 2 and the second header 9; the off-vehicle heat exchanger body 1 also comprises: a first bellows regulating valve 5, a second bellows regulating valve 6, a first side plate 7 and a second side plate 8; the first bellows regulating valve 5 can be closed or separated from the second side plate 8; the second bellows regulating valve 6 can be closed or separated from the first side plate 7; the present invention can realize self-adjusting variable flow distribution.

The invention discloses a hot pressing method of an ion battery. The method comprises the following steps: preheating treatment; performing hot pressing treatment; in the hot-pressing treatment, the hot-pressing pressure P2, the hot-pressing temperature T2 and the hot-pressing time t2 are controlled to meet the condition that P2 * T2 * t2 * 10 <-3 > is more than 0.07 and less than 1. The battery hot-pressing method can obviously improve the discharge rate capability of the battery, so that the electrical property of the battery reaches a good state.

This utility model relates to the field of energy storage technology, and in particular to a photovoltaic-storage off-grid device. An off-grid photovoltaic-storage device includes an integrated cabinet housing a battery pack, a PCS module, an STS module, and an EMS module. The STS module is connected to the power grid and the EMS module, and is used to detect the grid status and send a status signal to the EMS module when the grid is de-energized. The EMS module is used to control the PCS module to switch from grid-connected mode to off-grid mode based on the status signal, so that the battery pack can supply power to the load; it is also used to switch the PCS module back to grid-connected mode when the grid is restored.

The invention belongs to the technical field of medical breathing support equipment, and discloses a breathing machine gas path system and a use method, the system comprises an air input channel, an oxygen input channel, an air-oxygen mixing device and a controller; one end of the air-oxygen mixing device is provided with an air mixing inlet and an oxygen mixing inlet, and the other end is connected with a mixing output pipeline; the oxygen mixing inlet is connected with a Venturi tube arranged in the air-oxygen mixing device; the mixed output pipeline is connected with an anti-suffocation valve through a pipeline, the other end of the anti-suffocation valve is connected with a breathing connector through a pipeline, and the pipeline for connecting the anti-suffocation valve and the breathing connector is connected with an anti-suffocation exhaust port through a bypass; a first two-position three-way normally-closed valve is connected to the pipeline connecting the anti-suffocation valve and the mixed output pipeline through a bypass. The two-position three-way normally-closed valves are combined with the air-oxygen mixing cavity, so that air path modularization and standardization are achieved, the system structure is remarkably simplified, and the number of parts and connectors is reduced.

The utility model discloses an ammonia water storage and conveying integrated device which comprises a suction pump fixing frame, the upper end of the suction pump fixing frame is fixedly connected with a conveying and cleaning device, a tank body fixing frame is arranged at one side end of the suction pump fixing frame, profiling supporting pieces are arranged on the two sides of the tank body fixing frame, and storage tanks are arranged at the upper ends of the profiling supporting pieces. A tank cover is arranged on one side of the upper end of the storage tank; the product has the advantages that an integrated design is adopted, and ammonia water storage and conveying functions are integrated, so that an integrated device is formed; the structure of the system can be simplified, the operation convenience can be improved, the connection and interface between the components can be reduced, and the conveying and cleaning device comprises a device for conveying and cleaning and is provided with a plurality of conveying pipes, valves and a cleaning mechanism. According to the device, cleaning can be achieved while ammonia water is conveyed, and the sanitation and maintainability of the system are improved.

The utility model relates to the technical field of automation control, in particular to a remote upgrading circuit based on a vehicle-mounted T-BOX. Comprising a vehicle-mounted T-BOX, a relay, a first controller and a second controller, the vehicle-mounted T-BOX comprises a main CAN-L interface and a main CAN-H interface, the first controller comprises a first CAN-H interface and a second CAN-L interface, the second controller comprises a second CAN-L interface and a second CAN-H interface, and the main CAN-H interface and the main CAN-L interface can be connected with the first CAN-H interface and the first CAN-L interface respectively through a relay. Or the second CAN-H interface and the second CAN-L interface can be respectively connected through the relay; compared with the prior art, one relay is used for realizing flashing and upgrading of two different controllers, and compared with two relays, the relay in the device needs fewer interfaces when being connected with the vehicle-mounted T-BOX.

The implementation example of this application relates to the technical field of WIFI performance testing, and discloses a RF universal module and a WIFI performance and networking test system, the system comprising: a RF universal module, and a mesh networking test system is constructed based on the RF MUX RF multiplexer of the RF universal module; the system comprises 1 access point, 3 extenders and multiple sites to verify the software compatibility of the DUT respectively; the system supports arbitrary switching of the wireless mesh topology, that is, switching of different frequency bands of the same access point and roaming performance testing of different frequency bands between sites at different access points. Through the solution of this application, at least the technical problems such as the difficulty of the prior art in accurately evaluating the performance of the MLO system under different frequency band signal strengths, the complex equipment configuration, the inability to accurately control the signal size of each frequency band, and the insufficient module expansion capability are solved.

The invention discloses an air conditioner and a control method thereof.The air conditioner comprises a machine shell, a refrigerant circulation loop, an indoor unit, an outdoor unit, a wire controller and a WiFi module, and the WiFi module is integrated in the wire controller and connected with the wire controller through a serial port; the WiFi module is configured to send an instruction for reading an equipment address to the indoor unit through the wire controller after the WiFi module is powered on, and stop sending the instruction for reading the equipment address until the wire controller receives a state data packet sent by the indoor unit; address information returned by the indoor unit is received through the wire controller; the control instruction or the state query instruction is sent to the indoor unit through the wire controller, and the state information of the indoor unit is displayed after the state data packet returned by the indoor unit is received, so that communication nodes of the wire controller for controlling networking can be shortened, the wire controller can be controlled by the WiFi module, OTA upgrading is supported, the cost of setting an independent WiFi module is reduced, and the user experience is improved. And meanwhile, interfaces of the indoor unit are reduced, so that the cost of the air conditioner is reduced.

This invention discloses an open pneumatic control system for cryogenic liquid rocket engines, belonging to the field of liquid rocket engine design. Compared to traditional closed pneumatic control systems, this invention eliminates the valve assembly box and replaces the control solenoid valve with a new type of solenoid valve with anti-backflow function, and replaces the pneumatic valve with an anti-backflow pneumatic valve. Eliminating the valve box also eliminates the need for the valve box cable, requiring only one control cable, reducing electrical interfaces and improving the reliability of electrical products. In the original closed system, fault isolation between solenoid valves was not possible; this invention, by eliminating the valve box, eliminates mutual interference between controlled valves, achieving fault isolation. The solenoid valve layout of this invention is more flexible, has higher structural reliability, facilitates fault isolation, improves functional reliability, and simultaneously reduces engine weight.

The embodiment of the invention relates to the technical field of WIFI performance testing, and discloses a radio frequency universal module and a WIFI performance and networking testing system, and the system comprises the radio frequency universal module, and a mesh networking testing system is constructed based on an RF MUX radio frequency multiplexer of the radio frequency universal module; the system comprises an access point, three expanders and a plurality of sites so as to verify the software compatibility of the DUT. The system supports random switching of a wireless mesh topological structure, namely switching of different frequency bands of the same access point and roaming performance testing of a station at different frequency bands among different access points. Through the scheme of the invention, the technical problems that the performance of the MLO system under different frequency band signal intensities is difficult to accurately evaluate, the equipment configuration is complicated, the signal size of each frequency band cannot be accurately controlled, the module expansion capability is insufficient and the like in the prior art are at least solved.

The invention discloses a manufacturing method of a submarine detection array optical cable, and the method comprises the following steps: obtaining the maximum tensile strength data of a submarine optical cable, and obtaining the manufacturing thickness data of an inner sheath; high-strength galvanized steel strands are woven into the required diameter, and a sheath is extruded outside the steel strands to form a central force bearing part; performing multi-channel deep drawing process treatment on the stainless steel tube, penetrating the special bending insensitive optical fiber into the stainless steel tube, and filling the stainless steel tube with non-hydrogen-evolution fiber paste; high-strength galvanized steel wires and optical units are twisted outside the central force bearing piece; extrusion molding parameters are set based on the obtained thickness data of the inner sheath, so that the inner sheath is extruded outside the armored steel wire and the optical unit; according to the submarine detection array optical cable and the manufacturing method thereof, the reliability and adaptability of the submarine optical cable in a complex marine environment are remarkably improved, key technical support is provided for the fields of marine communication, resource exploration and the like, and the submarine detection array optical cable has wide application prospects and important economic value.

The present invention provides a distributed ship power monitoring system and method based on synchronous acquisition, which adopts high-precision time synchronization technology to realize distributed monitoring of transient and steady-state operating parameters of ship power systems, and ensures the synchronization and centralized display functions of all monitoring parameters. The present invention displays all information centrally on the mainframe of the distributed ship power monitoring system through distributed measurement and acquisition, centralized display and management of the power system, and realizes the interlocking protection of the power system, power failure and other functions; adopts information comprehensive integration technology to improve the degree of information integration and automation, and realizes information integration, distributed control and centralized management of the power system. The present invention uses distributed control technology to optimize ship control lines, reduce ship cabin cables, monitoring equipment interfaces and complexity, increase control reliability and redundancy, and ensure stable and reliable operation of the power system.

The invention relates to the technical field of nuclear power overhaul, and provides a nuclear power overhaul critical path management and control system, which comprises a critical path planning module used for generating an overhaul critical path list and sending the critical path list to a critical path diagram generation module; the key path diagram generation module is used for performing data extraction on the overhaul key path list generated by the key path planning module and generating a key path diagram and a room performance statistical diagram; and the key path implementation tracking feedback module is used for tracking the key path execution condition, sending a key path information prompt, calculating the actual construction period information of the overhaul key path project implementation, comparing the actual construction period of the implemented key path with the planned construction period for calculation, and feeding back the construction period deviation for room performance assessment. The key path project execution negative interface is realized, and the working efficiency is improved.

The utility model relates to a photon integrated chip, comprising a chip main body, a generation module used for generating continuous light with different wavelengths, a wave combination beat frequency module, a signal conversion module and an antenna are integrated on the chip main body, the output end of the generation module is connected with the wave combination beat frequency module, and the output end of the signal conversion module is connected with the antenna. The wave combining and beat frequency module is used for combining any two beams of continuous light output by the generation module and outputting a wave combining and beat frequency signal, the output end of the wave combining and beat frequency module is connected with the signal conversion module, and the signal conversion module is used for converting the wave combining and beat frequency signal output by the wave combining and beat frequency module into a millimeter wave signal. The output end of the signal conversion module is connected with the antenna, and the antenna is used for transmitting the millimeter wave signals output by the signal conversion module outwards. According to the scheme based on the photo-generated millimeter wave technology, the generated millimeter wave signal has the advantages of high power, wide bandwidth, low loss, electromagnetic interference resistance, tunability and the like.

The present application belongs to the field of battery material technology, and specifically relates to an integrated composite positive electrode sheet with a solid electrolyte layer and a preparation method thereof, wherein the preparation method comprises: premixing a conductive carbon material, oxide solid electrolyte particles and a positive electrode active material, adding a binder for low-temperature and low-speed dispersion after high-speed dispersion treatment, and performing supersonic airflow treatment after heat preservation treatment to obtain a fibrous powder, and preparing an electrode membrane by multi-stage hot rolling; preparing a solid electrolyte membrane by similar steps, stacking the two and performing hot rolling treatment to form an integrated composite positive electrode membrane, and finally compounding with a carbon-coated aluminum foil current collector to form a channel hole to obtain an integrated composite positive electrode sheet with a solid electrolyte layer. The present application solves the technical problem that the long electron and ion transmission path in thick electrodes, large interface impedance and poor adhesion lead to limited battery performance.

The invention provides an Al-Cu alloy capable of simultaneously improving room temperature performance and high temperature performance and a preparation method of the Al-Cu alloy, and belongs to the technical field of aluminum-copper alloys. According to the method, Z (Z is Sc or / and Zr) elements are introduced to form Al3Z heterogeneous core refined grains, Q (Q is Sn, Cd or In) elements are used for promoting formation of Cu-Q-vacancy clusters, and the size, distribution uniformity and precipitation number density of a theta '-Al2Cu phase are regulated and controlled. The synergistic effect of the two remarkably improves the room temperature and high-temperature performance of the alloy at the initial stage of thermal exposure. The element Q promotes formation of X (X is Cr, Mn or Cr and Mn)-Cu-vacancy clusters in the aging process, and enrichment of the element X in a theta '-Al2Cu phase is improved; and the X element is segregated on an interface and participates in a solute partition effect, so that the thermal stability is further enhanced. And in the later stage of thermal exposure, X and Z are diffused to coherent and semi-coherent interfaces of the theta '-Al2Cu phase respectively, the coarsening driving force is reduced, solute dragging is generated, the size increase of the precipitated phase is inhibited, and therefore the sequential thermal stabilization effect is formed.

Embodiments of the present application provide a positioning method, device, equipment and readable storage medium, the method comprising: a first network element receiving a determination position request for a terminal sent by a second network element; the first network element responding to the determination position request, obtaining relevant information of a radio access network element accessed by the terminal from a third network element; the first network element sending a first request to the radio access network element accessed by the terminal according to the relevant information, the first request being used for requesting to obtain a positioning measurement result of the terminal, the first network element, the second network element and the third network element being other network elements in a local network except AMF.

The invention belongs to the field of data communication, and particularly discloses a channel switching method based on FPGA multi-channel data communication and an FPGA. According to the method and the device, on the premise that all links are connected, when the FPGA serves as a receiving end and the first area of the local cache is not full, the CPU is started to write data to the first area of the local cache, and otherwise, the CPU is stopped to write data to the first area of the local cache; when the local cache first area is not empty, the service board corresponding to the channel number reads data from the local cache first area; when the service board serves as a sending end and a second local cache area is not full, which channel is occupied is judged by polling different channel numbers, and the service board corresponding to the channel writes data to the second local cache area, otherwise, the service board corresponding to the current channel is suspended to write data to the second local cache area; and when the local cache second area is not empty, the CPU reads data from the local cache second area. Caching of multi-channel data and channel switching polling are achieved through the FPGA, and the problems that the number of interfaces is small, the communication protocol is single, and the rate is fixed are effectively solved.

A method for forming an optical device includes: providing a substrate, the substrate including a first substrate, a buried oxide layer on the first substrate, and a second substrate on the buried oxide layer; forming an initial third waveguide and a corresponding initial third groove in the second substrate, the initial third waveguide including an initial third starting region; forming a first dielectric layer in the initial third groove and on the initial third waveguide; removing part of the first dielectric layer and part of the initial third waveguide to form a third waveguide and a corresponding third groove in the second substrate, the third waveguide including a third starting region, a projected area of the third starting region on a surface of the substrate being smaller than a projected area of the initial third starting region on the surface of the substrate. The formed optical device can effectively reduce return loss.