256results about How to "Flexible design" patented technology

The invention provides a road tunnel traffic incident real-time prediction method based on multi-model fusion, and the method comprises the steps: S1, collecting traffic data from a plurality of data sources, carrying out the data preprocessing of the traffic data, dividing the processed data into a training set, a verification set and a test set according to a specific proportion, carrying out normalization processing on data of the training set and the test set; s2, designing and training the processed data to obtain M models; and S3, constructing a stack model from the M models obtained in the S2 by adopting a stack ensemble learning strategy, and inputting the prediction probability of each model as feature input into the stack model for prediction to obtain a final prediction result. The problems that the prediction accuracy and reliability are insufficient due to the fact that complex traffic data features are difficult to fully capture in the prior art, the characteristics of various models cannot be effectively fused, the advantages of an integrated model cannot be fully played, and the prediction effect is uneven in hierarchy are solved.

According to the energy storage coupling heat pump steam generation method and system, the mode that the heat pump device and the energy storage device cooperatively operate is adopted, and efficient and economical steam supply is achieved. The method comprises the steps that high-temperature water is prepared and stored in the off-peak electricity period through the heat pump device, and the high-temperature water is further heated through the energy storage device to generate superheated steam for a user to use. The energy storage device comprises a plurality of energy storage modules, and a heat exchange pipeline of the energy storage device can be switched between a parallel connection mode and a series connection mode through switching, so that deep heat release and flexible regulation and control are achieved. According to the method, the energy storage capacity and heat release power of the energy storage module are dynamically adjusted, enthalpy increment distribution of the heat pump and the energy storage device is optimized in combination with load prediction, and diversified steam requirements are met. And meanwhile, preheating or dynamic supplement is conducted on the energy storage module through the heat pump device, waste heat recovery is achieved, and the energy efficiency is improved. According to the method, the operation cost is remarkably reduced, the capacity of the system for adapting to load fluctuation is enhanced, and the method is suitable for industrial steam use scenes and has the advantages of being efficient, stable and flexible.

The invention relates to a permanent magnet synchronous motor design method based on a multi-objective optimization algorithm, and the method achieves the efficient design and optimization of a permanent magnet synchronous motor through the combination of finite element simulation, multi-physical field coupling analysis, neural network performance prediction, and a hybrid optimization algorithm of a genetic algorithm and particle swarm optimization. The method comprises the following steps: determining a plurality of design targets according to an application scene of a motor, selecting key design variables, performing data cleaning and normalization processing, performing electromagnetic field, thermal field and mechanical field simulation by using a multi-physics field coupled finite element model, predicting the performance of the motor by combining LSTM and Transform neural network models, expanding a training data set through a data enhancement technology, and performing data enhancement on the motor. Finally, a hybrid optimization algorithm combining a genetic algorithm and particle swarm optimization is adopted to carry out global optimization and adaptive adjustment of design parameters, and a Pareto optimal leading edge is utilized to find out an equilibrium solution between design targets, so that the accuracy and efficiency of motor design are improved, and the method is suitable for various motor design scenes.

The invention discloses a document travel scene data transaction secure storage method and a medium. The method comprises the following steps: collecting necessary data of a data provider through a client of a document travel transaction platform; encrypting the sensitive data, and uploading the encrypted sensitive data, the privacy preference data of the data provider and the information of the data visitor to a server side of the text travel transaction platform; packaging the encrypted sensitive data, the privacy preference data and the data visitor information into a structured privacy tuple; storing the privacy tuple in a relational database, and storing the hash value of the privacy tuple in a block chain; configuring an access control strategy, and limiting that only authorized users or system nodes can access and operate data stored in the relational database; the access request of the privacy tuple data is verified and authorized through the block chain platform, and all data accesses are ensured to conform to the privacy preference of a data provider. According to the invention, the security of the user sensitive data in the text travel scene data transaction can be effectively improved.

The invention provides a textile fabric anti-ultraviolet performance detection device, and relates to the technical field of fabric detection, the textile fabric anti-ultraviolet performance detection device comprises an unwinding mechanism, a first traversing mechanism, a second traversing mechanism and an adjusting traversing mechanism. The unwinding mechanism is used for unwinding and winding the to-be-detected cloth; cloth horizontally penetrates through the first transverse penetrating mechanism and the second transverse penetrating mechanism. The adjusting and penetrating mechanism has a first state and a second state which can be switched, so that the cloth can horizontally extend in the first state, and a downward arc-shaped recess and an upward arc-shaped bulge are formed in the second state. The linear ultraviolet sensor detection mechanism is used for detecting the ultraviolet transmittance of the cloth in the horizontal state; and the arc ultraviolet sensor detection mechanism is used for detecting the ultraviolet transmittance of the arc part of the cloth. The method can accurately detect the ultraviolet permeability of the fabric in different forms, is suitable for quality evaluation of anti-ultraviolet functional textiles, and reduces the quality defects after the textile fabric leaves a factory.

The embodiment of the invention provides an optical module and near-to-eye display equipment. The optical module is used for XR optical equipment and comprises a cemented prism and a lens which are adjacent and arranged at an interval. The cemented prism comprises a first prism, a polarization reflection element and a second prism which are arranged in sequence, the lens is located on the side, away from the first prism, of the second prism, and a phase retarder is arranged between the lens and the second prism; the lens comprises a fifth surface and a sixth surface, the sixth surface deviates from the cemented prism, and the sixth surface is a partial reflection surface; the cemented prism and the lens comprise at least two curved surfaces; the optical module meets the condition that EFL24 / EFL56 is more than or equal to 7.4 and less than or equal to 9.2; eFL24 is the effective focal length of the cemented prism, and EFL56 is the effective focal length of light which enters from the fifth surface, is reflected by the sixth surface and then exits from the fifth surface.

The invention relates to a preparation method of a lightweight reduced graphene oxide-silicon dioxide electromagnetic wave absorbing material. The invention belongs to the technical field of electromagnetic wave absorbing materials. The invention solves the problems that the impedance of the existing reduced graphene oxide is mismatched, the density of the modified reduced graphene oxide composite wave-absorbing material is increased and the preparation method is complicated. The method comprises the following steps: performing chemical crosslinking on graphene oxide, silicon dioxide and a silane coupling agent to obtain a precursor; and drying and sintering the precursor. The material prepared in the invention has good impedance matching and abundant interface polarization and relaxation effects, can effectively reduce the reflection loss value of electromagnetic waves and increase the effective absorption bandwidth of the electromagnetic waves, and has excellent electromagnetic wave absorption performance. When the thickness of the material is only 1.5 mm, the RL of the material can reach-54.08 dB, and when the thickness of the material is 1.7 mm, the effective absorption bandwidth of the material can reach 5.12 GHz. In addition, the density of the material is only 0.083 g / cm < 3 >, the process is simple, and stable batch production can be realized.

The invention belongs to the technical field of spaceflight launching, and particularly relates to a primary and secondary satellite in-orbit maneuvering control method and device and a storage medium. The control method comprises the following steps: step 1, controlling a primary satellite and a secondary satellite to enter an orbit; 2, acquiring task requirements in real time, and calculating to obtain an on-orbit maneuvering strategy of the child satellites based on an autonomous maneuvering control algorithm; 3, potential attack and defense threats are analyzed, and the possible influence on in-orbit maneuver control is evaluated; key defense measures of the child satellite and the mother satellite in the maneuvering process are determined, and a coping strategy is formulated; and 4, establishing a real-time monitoring system, continuously collecting state information, orbit data and potential threat information of the child satellites, and adjusting a maneuvering control strategy according to the state information, the orbit data and the potential threat information of the child satellites. According to the method, the operation flexibility and the task response speed in a complex environment are improved.

The invention discloses an electrode and a preparation method thereof and a solid-state battery, the electrode comprises a current collector and a carbon nanotube layer covering the current collector, and catalysts are distributed at the bottom and the top of the carbon nanotube; when the electrode in the technical scheme is applied to the battery, as the catalyst is arranged at the bottom and the top of the carbon nano tube, lithium metal can be synergistically induced to be uniformly deposited on the surface and the bottom of the carbon nano tube electrode, and when lithium ions are uniformly distributed on the surface and inside of the electrode (inside and among the carbon nano tube), the condition that the local lithium ion concentration is too high does not occur; the generation of local overpotential can be avoided through uniform deposition, so that lithium precipitation is prevented; meanwhile, by designing and controlling the deposition amount of lithium not to exceed the maximum in-tube and inter-tube deposition capacity of the carbon nanotubes, the whole electrode is free of expansion and shrinkage in the charging and discharging process, and lithium metal expansion is effectively limited.

A sundry blocking and collecting device comprises a sundry collecting assembly installed on a dust removal pipeline, the sundry collecting assembly comprises a sundry collector, and a first pneumatic valve connected with the dust removal pipeline is installed on a dusty air inlet of the sundry collector; a second pneumatic valve connected with the dust removal pipeline is mounted on the dusty air outlet; an impurity outlet is formed in the end close to the dust-containing air inlet; the impurity outlet is connected with a filter material barrel, and an impurity inlet of the filter material barrel is provided with a third pneumatic valve; a fourth pneumatic valve is mounted at an impurity outlet of the filter drum; an air cannon blowback inlet is formed in the end close to the dusty air outlet, an air cannon blowback valve is installed on the air cannon blowback inlet, and the air cannon blowback valve is connected with an air cannon; and a sundry blocking component is arranged below the air cannon reverse blowing inlet in the sundry collector. According to the utility model, the impurities in the raw material ore in the mine production process are effectively intercepted and collected, the performance of the dust remover is improved, the service life of the dust remover is prolonged, the maintenance cost is reduced, the environmental pollution is reduced, and the dust remover has obvious environmental protection benefits.

The invention belongs to the technical field of novel fabricated buildings, and particularly relates to a method for forming an outer wall by multiple layers of wallboards and a steel structure, a plurality of wallboards which are mutually inserted are included, an outer wall layer is formed by pouring ceramsite and concrete, and an inner wall layer is made of aerated concrete; the assembling modules are formed by the C-shaped steel and the wallboards capable of being assembled, the connecting strength and stability between the wallboards are greatly improved during construction, the wallboards are installed on the H-shaped steel frame through laser ranging, radar positioning, a mechanical arm and the like, and a rigid and hard outer wall is built; the wallboard can be hoisted and inserted into the H-shaped steel structure at a time after the ground and the C-shaped steel are combined into a large panel, the multi-layer wallboard is of a double-layer new material structure or a sandwich new material structure, the whole wallboard is of a lightweight design, the overall weight of the wall is reduced, meanwhile, the excellent strength is achieved, and the wall bodies are assembled conveniently and rapidly.

The invention relates to a moderator element for a nuclear reactor, the moderator element comprises a shell and a core block, the core block is a metal hydride moderator and is packaged in the shell, and the shell is a ceramic shell or a metal shell and is composed of a shell body and a cover body which are connected in a sealed mode. The invention also relates to a preparation method of the moderator element for the nuclear reactor. According to the moderator element for the nuclear reactor, the shell is prepared through the additive manufacturing forming technology, then the heat treatment technology is combined, densified packaging of the moderator is achieved, the problems that the moderator is prone to oxidation and corrosion in the using process are solved, and the requirement of the advanced nuclear reactor type for the moderator is met.

The invention discloses an electro-optical modulator and a preparation method thereof. The electro-optical modulator comprises a substrate layer; the resin layer is arranged on one side of the substrate layer; the film lithium niobate layer is arranged on the side, away from the substrate layer, of the resin layer, and ridge waveguides are arranged on the surface of the part, close to the resin layer, of the film lithium niobate layer; and the metal electrode layer is arranged on the partial surface, far away from the resin layer, of the thin film lithium niobate layer. The thin-film lithium niobate electro-optical modulator with the metal electrode layer and the ridge waveguide in different planes is adopted, low half-wave voltage and low light absorption loss can be achieved, meanwhile, the speed and impedance matching of microwaves and light waves are achieved, and therefore microwave loss is reduced.

The invention relates to a performance test method of composite structure laser ceramic. The method comprises the steps of physicochemical characteristic test and laser output characteristic test of the composite structure laser ceramic. The physical and chemical characteristic test at least comprises a ceramic density test, a microstructure test, a transmittance test, a stress test and an ion doping test; the laser output characteristic test at least comprises pump light absorption characteristic test, thermal lens focal length test, end surface temperature test and laser output power test. According to the invention, by testing the internal structure characteristics and laser output characteristics of the composite structure laser ceramic, the evaluation of the comprehensive performance of the laser ceramic is realized, and rapid optimization feedback is provided for the design and preparation of the composite structure laser ceramic.

The invention discloses an intelligent clamp for an intelligent manufacturing production line and a clamping method, and belongs to the technical field of clamps. According to the method, a body is of a cone frustum structure, the lower end of the cone frustum structure is connected with a connecting flange, and an annular shell is arranged on the periphery of the cone frustum structure; the circular truncated cone structure is provided with a bonding expansion sleeve for clamping a workpiece and a calibration piece, a pull rod and a piston for implementing measurement are arranged in the circular truncated cone structure, various circuits and related parts are arranged in the annular shell, and the flange is used for being connected with a machine tool. The clamp can achieve the purpose of accurately monitoring the machining state and the part clamping force in the precise machining process in real time.

The invention relates to the technical field of semiconductor integrated circuits, in particular to a power tube overcurrent protection circuit, which comprises a power tube current detection circuit used for acquiring an output signal of a power tube control circuit, detecting a drain-source voltage difference of a power tube when the output signal is a logic high level, converting the drain-source voltage difference into a current signal, and outputting the current signal; the current signal is restored to a first voltage value, and the first voltage value is used as a negative phase input signal of the comparator; the drain-source voltage generation circuit is used for acquiring a reference current signal, converting the reference current signal into a second voltage value, and taking the second voltage value as a normal phase input signal of the comparator; the comparator is used for comparing the first voltage value with the second voltage value; and the power tube control circuit is used for controlling the power tube to be turned off. According to the invention, the working current when the power tube is turned on can be detected, various reliability problems caused by series connection of small resistors are avoided, the ground potential of the power tube and the ground potential of the protection circuit can be isolated, and the circuit can be widely applied.

The invention discloses an assessment method and system combining a language model and a virtual technology, and the method comprises the following steps: drilling a police and people dialogue process, analyzing the drilling language output of a subject through a first language model, and obtaining a drilling analysis result; obtaining a drill score of the subject based on the drill analysis result; when the drill score of the subject meets a preset score requirement, obtaining an assessment permission; based on the examination permission, combining a virtual technology to construct police and people dialogue scene questions; the subject is assessed based on the police and people dialogue scene questions, and assessment language output is obtained; and analyzing the assessment language output by adopting a second language model to obtain an assessment evaluation report of the subject. According to the method and the system, the language model is combined with the virtual technology, so that the more advanced and efficient assessment method and system are constructed, and the assessment quality and effect are improved.

The invention discloses an air medium-filled suspended slot line structure, which is an air medium-filled suspended slot line structure based on an MISL platform and is formed by stacking a plurality of layers of metal plates, a self-packaging structure is formed, a slot line structure of a main circuit is arranged on one layer of metal plate inside, and the other layer of metal plate is arranged on the other layer of metal plate inside. And hollow cavities filled with air are formed in the metal plates above and below the slot line structure of the main circuit through partial cutting. According to the invention, a multi-layer metal plate stacking structure is adopted to form a multi-layer self-packaging structure, etching can be carried out on the internal metal plates to form a slot structure, and mediums in the slot structure and above and below the metal plates where the slot structure is located are air, so that dielectric loss caused by a slot line structure designed based on a traditional PCB is thoroughly eliminated, and the reliability of the slot line structure is improved. And therefore, relatively low loss can be realized. Due to the adoption of a self-packaging structure, an electric field is mainly distributed in air in the packaging structure, so that the radiation loss of the slot line can be greatly reduced.

The invention discloses a cloth storage frame for glass fiber post-treatment and a use method of the cloth storage frame, and relates to the technical field of post-treatment unit cloth storage frames used in the glass fiber industry, in particular to the cloth storage frame for glass fiber post-treatment and the use method of the cloth storage frame for glass fiber post-treatment. The guide roller bracket comprises a bottom bracket and a sliding bracket; the sliding bracket is arranged at the upper end part of the cloth storage frame; at least three motors are arranged on the cloth storage frame, and the motors control the sliding support to axially ascend and descend along the cloth storage frame through a lifting mechanism; the sliding support is provided with a tilt angle sensor, and the tilt angle sensor and the motor are electrically connected to the control system. The cloth storage rack has the advantages that according to an existing cloth storage rack, the cloth storage lifting frame needs to be manually and regularly calibrated horizontally, and the parallelism and the levelness of the guide rollers need to be calibrated. The manual calibration mode not only is low in efficiency, but also is greatly influenced by the skill level of calibration personnel, so that the calibration precision and consistency are difficult to guarantee.

The invention discloses an intelligent coal bunker safety monitoring and early warning system and a working method thereof. The system comprises a camera group, a sensor group, audible and visual alarms (a mining intrinsic safety type audible and visual alarm and a ground audible and visual alarm), a mining flame-proof and intrinsic safety type control box and a ground monitoring center (capable of monitoring a host and a ground central control room). The working method comprises the steps of S1, data acquisition and transmission, S2, data analysis and early warning, S3, on-site alarm triggering and S4, ground monitoring response. The invention aims to improve the monitoring efficiency and accuracy, enhance the safety early warning capability, optimize the coal bunker pipe, reduce the labor cost and improve the working environment.

The utility model discloses a handheld part and pruning machine, wherein the handheld part comprises a main machine, a main handle and a battery pack, the main handle is detachably installed at the rear end of the main machine, and the battery pack is detachably installed at the main handle. The utility model changes the inseparable installation mode of the main handle with relatively large space occupation on the handheld part and the main machine in the traditional structure, the main handle is designed to be detachably installed on the main machine, so that the main handle is removed during packaging and transportation, thereby effectively reducing the size of the handheld part, laying a foundation for optimizing the packaging size of the pruning machine, thereby saving the transportation cost. In addition, the battery pack is detachably installed on the main handle, which can ensure the continuous operation of the main machine by replacing the battery pack, and further saves the packaging space. The battery pack is disassembled and packaged, making the transportation and packaging design more flexible.

The invention relates to the technical field of building formworks, in particular to an assembly type dense rib formwork installation construction method and a dense rib formwork hoisting structure, and the construction method comprises the following steps that firstly, a needed formwork supporting structure is erected; secondly, needed formwork bodies are pre-assembled on the ground or a floor, multiple sets of formwork assemblies are formed, and each set of formwork assembly comprises a row of formwork bodies or multiple rows of formwork bodies which are connected into a whole; and thirdly, the multiple sets of formwork assemblies are sequentially hoisted to the position where installation is needed from the ground or the floor through hoisting equipment and a hoisting tool, and every two adjacent sets of formwork assemblies are connected into a whole. According to the method, the formworks are pre-assembled, the multiple sets of formwork assemblies are sequentially hoisted through the hoisting equipment and the hoisting tool, workers do not need to assemble the formwork assemblies one by one at the high position, the high-altitude operation amount is reduced, safety is improved, efficiency is greatly improved, and the modern assembly type construction requirement is met.

The invention relates to a TME response diagnosis and treatment integrated method based on EPR, and belongs to the technical field of prodrug controllable release. Trityl free radicals and a drug Mel are coupled, and a trityl prodrug is obtained; according to the prodrug, the characteristic that the trityl free radicals tend to tumor enrichment is utilized, under the tumor microenvironment GSH response, the active drug can be released in a traceless mode no matter in an aerobic environment or an anaerobic environment, and the dissociated trityl free radicals can dynamically monitor changes of the oxygen partial pressure, the pH and the sulfydryl concentration of the surrounding environment. The EPR technology is utilized, real-time monitoring of multiple parameters of the tumor microenvironment and targeted controllable release of drugs are achieved, and the advantage of diagnosis and treatment integration is achieved.

This invention discloses a sensor for detecting ice, water, and dryness states, comprising a substrate, a first metal line, a second metal line, a third metal line disposed on the surface of the substrate, a variable capacitor, an interdigitated capacitor, and a planar inductor. One end of the variable capacitor is connected to one end of the planar inductor via the first metal line, and the other end of the planar inductor is connected to one end of the interdigitated capacitor via the second metal line. The other end of the interdigitated capacitor is connected to the other end of the variable capacitor via the third metal line. The capacitance value of the interdigitated capacitor changes with the different dielectric constants of the materials between the interdigitated fingers. Since the relative dielectric constants of ice, water, and dryness change at different frequencies, the capacitance value of the interdigitated capacitor also changes. Therefore, this sensor for detecting ice, water, and dryness states has advantages such as simple structure, high recognition rate, small size, and process compatibility.

The invention discloses a sonar with a support and a manufacturing method thereof, and relates to the technical field of underwater detection, and the sonar comprises a transmitting unit and a receiving unit. The receiving unit comprises a receiving cabin, a receiving transducer, a support, a main control board and a receiving assembly, the receiving cabin is provided with a containing cavity and a cabin opening formed in one end of the receiving cabin, the receiving transducer is arranged on the side of the receiving cabin, the main control board is installed on the support, and the receiving assembly is installed on the support. The support is contained in the containing cavity through the hatch of the receiving cabin and directly locked to the receiving cabin, and the receiving assembly is contained in the containing cavity through the hatch of the receiving cabin and directly locked to the support. Wherein the transmitting unit is mounted in the receiving cabin and seals the cabin opening of the receiving cabin. The main control board and the receiving transducer are separated, so that the design and the processing of the receiving transducer do not depend on the adjustment of the main control board.

The invention discloses a roll shape design method of a variable-convexity working roll with medium wave control capability. The method comprises the following steps: setting a coordinate origin on a working roll, and setting a conventional cubic CVC curve in a secondary convexity range of the working roll and an M-shaped quartic curve symmetrical about a roll surface midpoint; on the basis of a conventional cubic CVC curve, according to the requirement of no-load roll gap convexity compensation amount at the internal width position of the working roll, an M-shaped quartic curve symmetrical about the midpoint of the roll surface is overlaid on the roll gap, and a variable-convexity working roll shape curve with the middle wave control capacity is obtained; and calculating to obtain the roll shape coefficient of each roll of the roll shape curve of the variable-convexity working roll with the medium wave control capability, so as to finally determine the roll shape curve of the variable-convexity working roll with the medium wave control capability. According to the method, on the basis of not changing the secondary convexity range of the no-load roll gap of the continuous variable convexity section and not changing the plate shape control model, the convexity of the roll gap at different strip steel width positions is increased, and the purpose of medium wave control is achieved.

The invention provides a device for transmitting horizontal force of a bridge pier, and belongs to the technical field of bridge engineering. The anchoring structure is composed of an anchor box, a steel anchor seat and an anchorage device, the device is composed of the anchoring structure and used for transmitting the horizontal force of the pier, the anchorage device moving along a track is arranged in the anchor box, one end of a prestress inhaul cable is connected with the anchorage device, one end of a guide rod is welded to the anchorage device, and the other end of the guide rod is reserved on the outer side of the anchor box and fixed through a nut. The braking piers are arranged at the two ends of the bridge, the excellent characteristics of the braking piers are fully utilized, horizontal force is transmitted to the braking piers, the burden of the flexible bridge pier can be reduced, and therefore the overall safety performance of the bridge is improved; the flexible bridge pier can better bear horizontal force generated during braking of the large mine car, the bearing capacity is enhanced, and the service life of the bridge is prolonged; the flexible bridge pier can be designed more flexibly, and the bridge design is optimized; ground anchors are not needed, construction cost is reduced, and construction progress is accelerated.