82results about How to "Best configuration" patented technology

A non-invasive component concentration measuring device capable of an accurate measurement by tracking a change in the sensitivity characteristics of a photo-acoustic signal detector to always allow measurement at high-sensitivity frequency, and a method of controlling a component concentration measuring device. The component concentration measuring device is characterized by comprising a light generating means for generating two-wave lights having different wavelengths, a light modulating means for electrically intensity-modulating respective two-wave lights having different wavelengths at the same frequency by an inverse-phase signal, a light outputting means for outputting the intensity-modulated two-wave lights having different wavelengths toward a specimen, and a sound wave detecting means for detecting a sound wave produced in the specimen by output lights.

An S-PARC single-double flow selection method used for a TD-HSPA+MIMO system, comprising steps of: receiving channel quality information of a down link fed back by a mobile station with a base station, estimating channel quality of the up link thereof; calculating coefficients related to time of impulse response of an up link in different subframes, after obtaining channel change state information; comprehensively considering factors such as channel time variation characteristics, base station average transmission error rate, effect of continuously scheduling of base stations and the like according to the fed information of the mobile station to pre-process; and then carrying out mapping for transmitted data blocks and selection between single flow and double flow so as to enhance average throughput and improve primary transmission accuracy of the system. The method does not change the prior protocol system, does not need to increase signaling cost, only needs to pre-process on the base station and has low complexity of operation, but can obviously improve the transmission performance of the system and has more obvious system gain especially when the mobile station is moved at high speed or the position of the base station is not good.

The invention discloses a conic nuclear power plant waste resin drying device. The conic nuclear power plant waste resin drying device comprises conic dryer body equipment used for waste resin vacuum drying, a hot oil unit used for heating and cooling a conic dryer, an air exhausting and condensation system used for maintaining the vacuum degree in a dryer body and condensing steam, a nitrogen purging system used for protecting the system and washing a washable filter, a washing and dewatering system used for dewatering waste resin and washing system pipelines, and a resin barreling system used for simulating a nuclear island SRTF station. The provided conic nuclear power plant waste resin drying device is safe, reliable, easy to operate and control, reasonable in structure configuration, high in drying efficiency and large in resin volume reduction ratio.

The invention discloses a preparation method for a supercapacitor material MoO2/graphene/g-C3N4, and belongs to the technical field of composite material preparation. The method comprises the following steps: 1), scattering oxidized graphene into deionized water, employing a cell pulverizer for smashing, adding mixed solution composed of a molybdenum salt precursor and an end-capping reagent, carrying out the stirring of the mixed solution, enabling the mixed solution to be uniform, and obtaining an oxidized graphene-molybdenum salt-sodium salt mixed solution system; 2), adjusting pH value andthen carrying out the hydro-thermal reaction in a reaction still; 3), employing water and ethyl alcohol for cleaning, carrying out the low-temperature vacuum drying, and obtaining an MoO2 composite oxidized graphene material; 4), mechanically mixing the MoO2 composite oxidized graphene material with a carbon and nitrogen precursor, carrying out the high-temperature calcination of the mixture under the protective atmosphere of high temperature argon gas, cooling the mixture to the room temperature, and then obtaining the MoO2/graphene/g-C3N4 composite material. The method is simple and feasible, and is low in cost. The specific capacity of an obtained composite material supercapacitor is remarkably enlarged, and the composite material supercapacitor is good in cyclic charging and discharging stability.

The invention discloses a feature extraction multi-objective optimization method for a wear condition of a milling tool. The multi-objective optimization method comprises the following steps of collecting multiple physical field signals by multiple sensor channels; calculating a plurality of statistical feature parameters and wavelet energy in a time domain and a frequency domain of a signal of each sensor channel to form a feature parameter candidate set; constructing a multi-objective optimization model by taking tool condition prediction accuracy and a feature parameter number as optimization objectives; performing global optimization on the optimization model by employing an intelligent optimization algorithm; and making a sensor feature parameter set corresponding to an optimal solution of the optimization model serve as feature parameters required by tool condition monitoring. The multi-objective optimization method disclosed by the invention has the following advantages and effects that tool wear loss prediction accuracy corresponding to each feature parameter set is inspected from prediction accuracy by taking the prediction accuracy and the feature parameter number as theoptimization objectives, so that the phenomenon of high relativity but low prediction accuracy is avoided.

The invention discloses an aluminum reduction cell bus configuration structure with external compensation and belongs to the technical field of metal aluminum electrolysis. The invention adopts an external bus compensation mode that external compensation buses are arranged along a direction of a potline current on two ends of the prior aluminum reduction cell respectively. Directions of currents in external compensation buses are the same as that of the potline current. A plurality of bottom cathode buses are arranged at the bottom of the reduction cell along the direction of the potline current. One end of each bottom cathode bus is connected with a cathode bus at an upstream end, while the other end is connected with a vertical post of another reduction cell at a downstream side of the reduction cell. External compensation buses and the bottom compensation buses cooperated to correct and compensate disturbance of magnetic field of the aluminum reduction cell. The aluminum reduction cell bus configuration structure solves the problem of large consumption of cathode buses and complexity of each reduction cell and saves buses.

The invention provides a method and a system for integrally optimizing an electrical design scheme of a wind electric field. The method comprises the steps of: performing electrical design on the wind electric field based on obtained electrical design data, specifications and standards of the wind electric field; obtaining an initial electrical design scheme; calculating reliability and economic indexes based on the obtained electrical design scheme; optimizing the initial electrical design scheme by utilizing the reliability and the economic indexes to obtain the optimized electrical design scheme of the wind electric field; finally, synthesizing the optimized electrical design scheme of the wind electric field based on the current running environment of the wind electric field, and performing integral optimization on the electrical design scheme of the wind electric field. The electrical design scheme of the wind electric field is optimized by fully considering the characteristics of the wind electric field, optimizing the initially obtained electrical scheme by utilizing the reliability and the economic indexes of each constituent component of the wind electric field after the initial electrical design scheme is obtained, and combining the electrical design, the reliability evaluation and the economic evaluation together.

The invention discloses a phased array radar TR component power supply. The invention aims to provide the TR component power supply which is high in reliability, high in integration level, convenientto install, maintain as well as upgrade and expand; according to the technical scheme, power supply modules (8) with arch-shaped handles at the front ends are arranged in module channels of a power supply machine box bottom plate (4) side by side in a ranks mode through rectangular windows arranged in a linear array configuration mode through a power supply machine box front panel (1), the tail ends with connectors are inserted into module blind-plug connectors (13), the module blind-plug connectors (13) are connected to power input and output connectors (12) fixed on power supply machine boxrear panels (5) through connecting back plates (7), and are used for outputting a direct-current power supply; one end of a main control panel (9) is connected with a man-machine interaction panel (10) through a high-speed arranging cable, and the other end of the main control panel (9) is connected with the power supply modules (8) inserted in the module blind-plug connectors (13) through the connecting back plates (7), and reliable and stable conversion from one path of high-voltage alternating-current power supply to multi-path low-voltage direct-current power supply is completed.

The invention provides a multi-speed servo system which comprises a servo motor (10), a servo control device (20) and a speed switching device (30). Each phase winding of a stator of the servo motor is formed by the connection of a plurality of coils. The speed switching device comprises a plurality of two-position control switches which are connected with the plurality of coils, and the speed switching device can control opening and closing positions of the control switches according to switching signals to change connection modes of the plurality of coils of each phase winding. The invention further provides a speed switching method for the multi-speed servo system. By means of the multi-speed servo system and the speed switching method for the multi-speed servo system, operators can set different speeds of the servo motor according to different using working conditions of the servo system, the speed switching can be achieved only by inputting a command signal, control parameters of the servo motor can be guaranteed to be fit with the servo motor, and the multi-speed servo system is simple in structure, small in size, fast in response and high in efficiency.

The invention discloses a traffic target detection method and system based on improved YOLOv4, the detection system comprises a MobileViT-S backbone network, an SPP feature pyramid network, a PANet feature enhancement network and a target detection head, and convolution used in the PANet feature enhancement network and the target detection head is deep separable convolution. The method can be used for detecting pedestrians, vehicles and traffic light targets in an intelligent traffic scene, high detection accuracy is achieved on the basis of light weight, the omission ratio is low, and the detection effect is good.

The invention provides an agricultural operation management device and an agricultural operation management method. The device consists of a communication device (10) which is carried by an operator conducting agricultural operation and an agricultural operation management device (20) which is arranged in an operation management center for agricultural operation management. The agricultural operation management device (20) determines a place in which the operator conducts the operation in accordance with an operation starting notification which is transmitted through the pressing operation of an operation button (12A) of the communication device (10) and the position information of the communication device (10), and the operation content and the operation preset time which are required to be implemented in the determined operation place are transmitted to the communication device (10). The communication device (10) receives the information from the agricultural operation management device (20) and displays the information to a display part (13).

The invention provides a hospital resource joint sharing system and method. After appointment of cross-hospital examination seats and distribution of examination seats on the present day are completed, optimal selection according to the equipment status and the examination arrangement situation of each hospital, the distance between hospitals and the traffic situation can be made, most ideal cross-hospital examination hospitals are selected for inpatients for cross-hospital examination appointment and emergency cross-hospital examination arrangement on the present day, not only can the patients have no need to transfer to other hospital for timely relevant examinations, but also the actual situation of each hospital and examination convenience of the patients are fully considered, and optimal configuration of medical resources is facilitated. The system and method are advantaged in that remote consultation and teleconference can be further achieved, and communication between doctors inthe different hospitals is facilitated.

The invention belongs to the technical field of power grid optimization and discloses a method for optimizing an AC/DC hybrid large-power grid. The method disclosed by the invention comprises the following steps: collecting basic data of the power grid, and establishing a computer simulation model; establishing an optimized objective function and an optimal control calculation model by virtue of asimulated program, and acquiring the minimal optimized objective function in an optimization feasible region, so that an under frequency load shedding scheme is optimized, an optimal setting scheme is intelligently searched, the switched load capacity is minimized by considering frequency recovery performance, and transient state performance and steady-state performance of the AC/DC hybrid systemare improved. The method disclosed by the invention is simple, and the optimized construction efficiency and optimization accuracy are high. On one hand, actual operating condition of the power gridcan be monitored and simulated in the whole process, so that operating fault hidden danger information of the power grid is acquired in time; on the other hand, the optimal power grid configuration scheme is effectively acquired in time according to power user condition changes, so that the flexibility and the high efficiency of the power grid operation are effectively improved, and the construction and operation cost of the power grid can be reduced.

The present invention relates to the transmission format combination set (TFCS) configuration method of distributing transmission to UE in WCDMA system. The present invention first obtains TFCS set via completely arranging all the transmission channels and then deletes or decreases the set in case that the TFC amount in the set exceeds that the UE can support. Each time, one TFC is deleted, which is ensured to be not one part of 'TTI restriction' of any other TFC. The present invention makes it possible to obtain optimal TFCS configuration, which can meet the limitation in maximum TFC number of TTI restriction and UE radio access capacity and has maximum TFC number, resulting in maximum possibility of obtaining highest transmission efficiency.

The invention discloses a confirmation method for efficiently and harmlessly degrading SF6 waste gas through dielectric barrier discharge. The method comprises the following steps: building an experimental platform; acquiring discharge parameters and experiment parameters of SF6 degradation by using a DBD reactor of the experiment platform; carrying out gas distribution on background gas and SF6 gas; by adopting a control variable method, promoting SF6 forward decomposition experiment research to obtain optimal condition for decomposing SF6 ; analyzing the chemical reaction mechanism of the SF6 gas under discharge degradation by combining a density functional theory and chemical reaction kinetics; and establishing a physical model for degrading SF6 through dielectric barrier discharge according to various basic physical coefficients of the physical model. According to the invention, the SF6 gas is fully degraded through a dielectric barrier discharge SF6 degradation system, and products obtained after SF6 degradation are comprehensively detected and analyzed through an analysis and detection system, so that optimal degradation parameter configuration and degradation equipment configuration are obtained, the configuration is more scientific, and the degradation energy efficiency is higher.

The invention discloses a rotary dividing machine. The rotary dividing machine comprises a hopper (1) in which a material with known weight is loaded, a feeding device (3) communicated with a discharging port of the hopper (1), a controller (2) for controlling the feeding device (3) to feed the material at a set feeding speed according to the weight of the material, a container (6) communicated with a feeding port of the feeding device (3), a tray (7) arranged at the low end of the container (6) and used for driving the container (6) to rotate, and a driver (5) for driving the tray (7) to rotate, wherein the rotating speed of the driver (5) is adjusted by the controller (2). The controller of the rotary dividing machine automatically adjusts the feeding speed of the feeding device and the rotating speed parameter of the driver according to a preset rule, so that the influence of human factors on an experimental result is reduced, operation is convenient, automatic control is achieved, the optimal configuration is achieved, the sample dividing precision and the sample dividing efficiency are improved, and the precision and the production efficiency are met.

The embodiment of the invention relates to an SM4 acceleration method and device. The method comprises the following steps: adding an auxiliary register on the basis of an original internal register of a computing device, performing round key expansion calculation on an encryption key to generate a round key, and processing an input message by the round key; wherein at least one of round key expansion calculation and information input by processing the round key is realized through an expansion instruction; and storing the round key generated by calculation and the processing result into a preset register. By implementing the embodiment of the invention, the efficiency of SM4 operation is improved in a soft and hard combination manner, the cost is considered, and better configuration of resources is achieved.

The invention provides a physical value similar method of spatially 6-freedom-degree self-propulsion control forecast of an underwater robot. The method comprises that a 6-freedom-degree control motion coordinate system of the underwater robot is established, a corresponding spatial 6-freedom-degree equation is constructed, an underwater robot model is established, a flow field topology structure and a hybrid grid system are established by mesh generation software, the underwater robot model and a grid model are assembled via fluid analysis software, and motion forms in flow field areas and motion form of the interface are defined; and a user customized function for simulating the 6-freedom-degree motion process of the underwater robot is compiled and set to simulate high-speed rotation of propellers and further simulate the 6-freedom-degree motion process of the underwater robot. Thus, real-time transient physical motion including bearing and speed change of the underwater robot in the motion process can be obtained; a state cloud atlas reproduces internal physical mechanism in the complex control motion process of a carrier; and the safety can be evaluated, and the working reliability of an AUV can be improved.