82results about How to "Easy and Accurate Acquisition" patented technology

The invention discloses a method for a traffic monitoring and business service quality guarantee strategy based on SDN. The method comprises the following steps: a. creating a network topology under the SDN architecture, configuring an Openflow switch, and establishing a connection between the switch and an SDN controller; b. providing an open northbound API interface on the SDN controller; c, obtaining, by an application system program, complete device information and link information; d, inputting the business to be guaranteed according to the business requirements; e, according to a sourcedestination address of the service flow, transmitting an algorithm class to calculate a scheduling path, and generating the optimal scheduling path of the current network; f. transmitting the scheduling path in e into a strategy generation class, generating a scheduling flow table in combination with the business guarantee strategy in d, and issuing the scheduling flow table into the switch; and g. adding a data transmission queue to a switch port according to the scheduling flow table in f. By adoption of the method disclosed by the invention, the stable operation of the network business, theefficient use of the link bandwidth and the maximum optimization of the whole network performance are maximally guaranteed.

The invention discloses a remote three-dimensional scanning system and method based on machine vision. The system comprises two parts, namely a hardware equipment part and a software system part. The hardware equipment includes image acquisition equipment, an optical filter, a light source, camera calibrating equipment, etc. In order to solve the problem of rapidly acquiring an object three-dimensional point cloud under a natural environment, the invention designs a set of three-dimensional scanning hardware equipment and further has a matching software system developed. Furthermore, by referring to an image acquisition method, a camera focal length calibrating method, a system calibrating method, an image processing method and a three-dimensional point cloud acquisition method, the system can rapidly achieve three-dimensional scanning on objects and further realize robustness of equipment on ambient light and also keep the three-dimensional point cloud calculation precision. Compared with the prior art, the system which is not limited by ambient light conditions during a three-dimensional point cloud acquiring process achieves a relatively high scanning speed and relatively high scanning precision. The system characterized by simple equipment structure and low cost is not limited by time and place when in use.

The invention relates to a quick acquisition method for charging and discharging curves under different working conditions of lithium batteries. The acquisition method for different charging and discharging curves of the lithium batteries comprises the following steps that (1) data of lead acid batteries is acquired, and a linear voltage relation at different given constant-current multiplying powers in different intervals of the lithium batteries and a linear voltage relation table fm() at different temperatures are established; (2) a complete charging voltage and SOC curve Chavolni(sock) anda discharging voltage and SOC curve Disvolni(sock) under the constant-current condition are acquired. The acquisition method of different charging and discharging curves of the lithium batteries hasthe advantages that each kind of battery does not need to be subjected to different constant-current charging and discharging tests multiple times for acquiring the corresponding charging and discharging voltage and SOC curves, the corresponding charging and discharging voltage and SOC curves at different temperatures can be corrected according to environment temperatures, and accordingly the SOCcalculation of the lithium batteries is more accurate.

The invention relates to the technical field of communication and discloses a router adaptation method and device and a terminal device to be used for acquiring the relevant information of functional pages of a router automatically, quickly and accurately. The method comprises the steps of identifying a router to be adapted and acquiring the model information of the router to be adapted; acquiring the adaptation script of the router to be adapted according to the model information, wherein the adaptation script comprises functional interfaces corresponding to all the functions of the router, and the functional interfaces are formed by abstract encapsulation of page elements of all functional pages. The relevant information of a certain function of the router is acquired by calling the corresponding functional interface in the adaptation script by means of an application program, and relevant information is fed back to a calling layer as a returned value. The router adaptation method and device and the terminal device are mainly used for acquiring relevant function information of the router.

The simulation testing method of the frequency characteristic of full-digital closed-loop fiber optic gyro system: it comprises the following steps (1) the signal processing system that is made up of FPGA chip and EPROM chip produces digital signal inside full-digital closed-loop fiber optic gyroscope system, comprises digital step signal, digital Pulse signals and digital sinusoidal signals of different frequencies; use the FPGA signal processing system to superimpose the digital signals generated in step (1) on the feedback channel of the all-digital closed-loop fiber optic gyro system; (3) use the DSP signal detection system to quickly collect the above-mentioned The input and output of the all-digital closed-loop fiber optic gyroscope system under digital signal input; (4) use the system identification principle to perform least squares processing on the test data of the full-digital closed-loop fiber optic gyroscope system collected above to obtain the frequency of the all-digital closed-loop fiber optic gyroscope system characteristic. The invention eliminates test equipment errors and human errors in engineering applications, has advantages in precision, reliability, debugging manufacturability and the like, and reduces costs.

The invention relates to the field of communication, in particular to an anchor station quality evaluation method and device under a 5G NSA network. The method mainly comprises the following steps: acquiring anchor station quality index data; according to the evaluation dimension, selecting an evaluation factor needing to be evaluated from the quality index data; configuring different weights forthe evaluation factors according to evaluation service requirements; and according to the values and the weights of the evaluation factors, calculating a weighted total score of each evaluation factorof the preset evaluation area, and taking the weighted total score as a quality score of the preset evaluation area. According to the invention, the quality condition of each anchor station can be conveniently and accurately obtained, support is provided for 5G NSA network optimization, and the user perception of 5G service users is improved.

The invention discloses an elevator floor information acquisition method and device and external elevator equipment. The method comprises the steps: acquiring the on-off state change of an elevator button; according to the on-off state change, determining the floor of an elevator. The external elevator equipment comprises at least one state sensor and one or multiple processors, wherein the state sensor is used for detecting the on-off state change of the elevator button; when one or multiple programs are executed by one or multiple processors, one or multiple processors realize the elevator floor information acquisition method. The elevator floor information acquisition method solves the problems of the prior art that in order to realize elevator floor information acquisition, an elevator control system needs to be improved, control is complex, the cost is high, and the reliability of the elevator control system is affected. The elevator floor information acquisition method realizes the convenience in elevator operation, accurately and conveniently acquires the floor of the elevator, and reaches the effects of safety and high reliability.

The invention provides a method for obtaining a rock matrix bulk modulus. The method comprises: (A), an equivalent rock matrix bulk modulus of a target logging depth point is determined according to logging information of the target logging depth point and a preset number of logging depth points adjacent to each other in an up-down mode; (B), a changing interval and a changing increment of a dry rock poisson ratio of the target logging depth point are determined; (C), a changing interval and a changing increment of the ock matrix bulk modulus of the target logging depth point are determined; (D), inversion is carried out by using an adaptive matrix mineral modulus inversion method on the condition of double convergence so as to obtain an optimum adaptive rock matrix bulk modulus of the target logging depth point; and (E), average processing is carried out on the equivalent rock matrix bulk modulus and the optimum adaptive rock matrix bulk modulus of the target logging depth point to obtain a rock matrix bulk modulus of the target logging depth point. With the method, a rock matrix bulk modulus with high precision and stability can be obtained; and a favorable foundation is laid for follow-up oil and gas reservoir prediction.

The invention discloses a washing machine and a wet cloth weighing method and device thereof. The method comprises the following steps: after the washing machine enters a dewatering program, controlling the rotating speed of a dewatering motor of the washing machine to be increased from zero speed; in a stage of increasing the rotating speed of the dewatering motor, acquiring first total power required for the dewatering motor which drives an inner barrel of the washing machine to rotate by a first number of turns in a process of increasing a first rotating speed to a second rotating speed; in a second stage of stable running at the second rotating speed of the dewatering motor of the washing machine, acquiring a second total power required for the dewatering motor which drives the inner barrel of the washing machine to rotate by a second number of turns in a process of stable running at the second rotating speed, and acquiring an average torque ripple value of the dewatering motor which drives the inner barrel to rotate in the process of stable running at the second rotating speed; and calculating weight of clothes in the inner barrel according to the first total power, the second total power and the average torque ripple value. According to the method of the invention, wet cloth weight of the clothes can be conveniently and accurately acquired in a dewatering process.

The invention relates to a method for simultaneously measuring the specular reflectivity, the diffuse reflectivity and the total reflectivity of a material based on an integrating sphere. The specular reflectivity, the diffuse reflectivity and the total reflectivity of the material can be rapidly, conveniently and accurately obtained through the method. The method for measuring the reflectivity comprises the following steps: arranging a light trap on a traditional integrating sphere device, respectively measuring in the opening state and the closed state of the light trap, and carrying out data processing to obtain the specular reflectivity, the diffuse reflectivity and the total reflectivity of the material.

The invention discloses a statistical method for search engine space occupation. The method includes the following steps: a corresponding user capacity occupation list is stored for each user in advance, the user capacity occupation list includes user information and corresponding capacity quota information, wherein the capacity quota information includes capacity allowing the user to use and occupied capacity; the index creation request of a user, which includes user information and the content of an index to be created, is received; according to the user information, a corresponding user capacity occupation list is found; the content of the index to be created is statistically analyzed, and the amount of the memory space occupied by the content of the index to be created is obtained; the amount of the memory space occupied by the content of the index to be created is added to the occupied capacity, and the occupied capacity of the user is updated. The invention also discloses a statistical system for search engine space occupation. The invention can be adopted to carry out corresponding capacity management according to different users.

The invention provides an electric heater state detection control method, a computer readable storage medium and an air conditioner. A feedback current value when the electric heater works is detected, electric heater control circuit self-inspection and electric heater body self-inspection are carried out sequentially according to the feedback current value, and if any one of the electric heater control circuit and the electric heater body has a fault in the self-inspection process, a signal is sent to remind and stop work of the electric heater. The real working state of the electric heater is accurately judged through the current value, abnormity is found in time, the electrical safety problem caused by faults of the electric heater body and the electric heater control circuit can be prevented, the intelligent control level of the air conditioner is further improved, and influence caused by faults of the electric heater is reduced.

The invention relates to the technical field of central air-conditioning control systems, in particular to an air-conditioning water system pump-valve integrated control device and a control method. The device comprises a controller, and the controller comprises an energy valve information obtaining unit and a most unfavourable loop selecting unit which are connected in sequence; the energy valveinformation obtaining unit is connected with at least one intelligent energy valve to obtain the valve location opening values of the intelligent energy valves, and the most unfavourable loop selecting unit determines the most unfavourable loop according to the valve location opening values of all the intelligent energy valves; a pump package variable frequency controller calculates adjustment frequency according to the valve location opening value of the most unfavourable loop and sends the adjustment frequency to a motor of a water pump. Based on the most unfavourable loop, the water pump iscontrolled in a variable frequency mode, the opening value of the most unfavourable loop reaches the reasonable opening value range, the steps are repeated periodically so that all the loops can be kept in the reasonable opening valve range, and the optimal energy-saving effect is achieved.

The invention relates to an electromagnetic measurement-while-drilling system and method based on an adjacent well receiving antenna. The system comprises a drill pipe emitting assembly, an adjacent well receiving assembly and a ground display terminal. The drill pipe emitting assembly is inserted into the bottom of a to-be-measured well; the adjacent well receiving assembly is arranged inside an adjacent well; the upper end of the drill pipe emitting assembly is electrically connected with the adjacent well receiving assembly, and the lower end of the drill pipe emitting assembly is in wireless connection with the adjacent well receiving assembly; and the adjacent well receiving assembly is electrically connected with the ground display terminal. The adjacent well receiving antenna is adopted for receiving signals, ground power frequency interference can be avoided, propagation loss of electromagnetic wave signals on an upper stratum of an adjacent well receiver, the measurement depth of the electromagnetic measurement-while-drilling system is increased greatly, and the electromagnetic measurement-while-drilling system and method based on the adjacent well receiving antenna can be widely applied to exploration and development of new energy resources like coal bed gas, shale gas, geothermal wells and hot dry rock.

The invention relates to a finished vehicle chassis detection system, which comprises a vehicle information acquisition module, a detection module, an information processing module, a control module and a detection information storage module, and the vehicle information acquisition module is used for photographing a vehicle and acquiring vehicle information, the acquisition process is convenient and accurate, and the whole detection speed is improved; for the detection module, a linear array camera can be used for quickly shooting the moving automobile chassis to enable rapid detection, so that the detection efficiency is improved, the automobile chassis can be shot in different areas, and the automobile chassis can be scanned through a 3D scanner to generate three-dimensional coordinate data; and the information processing module judges scratches or defects of the automobile chassis, the fault defect position and the scratch position are shot in a targeted mode through the control module, the whole detection process is accurate and rapid, the problems of missed judgment and incomplete vision caused by manual detection are avoided, fault and scratch position pictures are shot in atargeted mode, and technicians can conveniently overhaul related fault areas in the follow-up process.

The invention relates to a height measuring system for a gas storage cabinet. The height measuring system comprises a radar level meter, a wind-solar hybrid power supply and a data receiving display device, wherein the radar level meter is arranged on the top of the gas storage cabinet and outputs the monitored height data of the gas storage cabinet, the wind-solar hybrid power supply is connected with the radar level meter and provides electric energy sources for the radar level meter, and the data receiving display device is connected with the radar level meter and receives and displays the height data output by the radar level meter. According to the technical scheme of the height measuring system provided by the invention, the height measuring system for the gas storage cabinet has the advantages that the installation is simple and convenient, the measurement precision is high, the height of the gas storage cabinet can be conveniently and fast obtained, the mistake reporting or missed reporting phenomena can be avoided, and the safe management of the gas storage cabinet can be favorably realized.

The invention provides an elevator car position detection device and method. The elevator car position detection device comprises a first datum collecting module, a second datum collecting module, N car collecting modules and a processing module, wherein the first datum collecting module is used for collecting air pressure data at the first height in a preset area, the second datum collecting module is used for collecting air pressure data at the second height in the preset area, and each car collecting module is arranged on a corresponding car in the preset area and used for collecting air pressure data at the position where the corresponding car is located, wherein N is a positive integer, and the processing module is used for obtaining position information of each car according to the air pressure data at the first height, the air pressure data at the second height and the air pressure data at the position where each car is located. According to the elevator car position detection device and method, the positions of the elevator cars can be obtained conveniently and accurately.

The invention discloses a sheet metal part detection device and relates to the field of sheet metal part detection equipment. The sheet metal part detection device comprises a transmission rack. The transmission rack is rotatably provided with a conveyer belt. The conveyer belt is in drive connection with a driving motor. An image acquisition device is arranged above the transmission rack. The image acquisition device is electrically connected with a controller. The driving motor is in controlled connection with a controller. The controller is also electrically connected with a display screen.In order to solve the problem of low efficiency and accuracy in the prior art, the device detects punched holes in sheet metal parts through the image acquisition device and the controller, thereby greatly improving efficiency and accuracy in detecting the punched holes in the sheet metal parts.

The invention relates to the field of automatic monitoring, in particular to a silo stacking height monitoring device, system and method. The system mainly comprises at least one data processing module and at least one group of monitoring modules; each group of monitoring modules comprises at least one laser detection assembly and a shell; the laser detection assembly is hermetically packaged in the shell; and an electrical interface of the laser detection assembly is used as an external electrical interface of the monitoring module. The shell comprises a light-transmitting window and a valve,the light-transmitting window corresponds to a monitoring light outlet and a reflected light receiving port of the laser detection assembly in position, the valve is arranged on the outer side of thelight-transmitting window, the light-transmitting window is completely covered by the valve when the valve is closed, and the light-transmitting window is exposed to the outside when the valve is opened; and the data processing module is coupled with a corresponding port of the external electrical interface of each group of monitoring modules. The heights of different positions of the top end ofthe stacked material can be conveniently and accurately obtained through the multiple laser distance measuring modules, so that the overall height of the stacked material is monitored.

The invention relates to an engine exhaust parameter detecting device for matching a muffler with an engine, which belongs to the technical field of noise control in an automobile exhaust system. The detecting device comprises a measuring tube and an acoustic load variation tube, wherein the measuring tube is connected with an engine exhaust manifold, and the other end of the measuring tube is connected with an inner tube of the acoustic load variation tube. A dynamic pressure sensor mounting seat, a static pressure sensor mounting seat and a thermocouple mounting seat are arranged on the measuring tube, the acoustic load variation tube consists of the inner tube and an outer tube, the inner tube extends into the outer tube, and a limiting clamp ring and a high-temperature sealing ring are arranged on each of the inner tube and the outer tube. By the aid of the detecting device, fluid parameters such as temperature, static pressure, dynamic pressure and flow velocity and acoustic parameters such as source impedance, source strength parameters and the like of an engine exhaust system and can be quickly measured, so that theory basis is provided for simulation and matching design of an automobile exhaust and muffling system.

The invention discloses a distance detecting mechanism for measuring lifting distance of a hoisting device. The mechanism comprises a driving wheel which is propped to a hoisting rope, a gear countingpart, and a transmission gear assembly which is mounted between the driving wheel and the gear counting part, wherein the gear counting part is provided with multi-stage counting gear assemblies which are sequentially engaged based on a preset transmission route; each of a driving shaft and a driven shaft of the counting gear assembly at each stage is fixedly provided with a counting plate; a counting plate on each driven shaft rotates by a preset angle as the counting plate on the corresponding driving shaft rotates by a circle, and thus all counting plates can record the number of rotatingcircles of the driving wheels on the preset transmission route in a scale mode; the hoisting rope is pulled to drive the driving wheel to rotate, and the rotating driving wheel drives a transmission gear assembly to rotate, and finally the transmission gear assembly drives the engaged gear counting part to rotate. When in hoisting, the lifting distance of the hoisting rope can be accurately calculated without excessive workers, and thus the lifting distance of the hoisting rope can be conveniently accurately acquired.

The invention discloses a moving target extraction method based on difference and semantic information fusion. The method mainly comprises the following steps: (1) collecting N frames of image sequences from monitoring equipment; (2) calculating difference information between image frames by using an inter-frame difference method according to two frames of images with an interval of N; (3) extracting semantic information in the image by using the trained instance segmentation model based on the convolutional neural network, wherein the semantic information comprises a target category and a pixel mask; and (4) combining the differential information and the semantic information through a fusion algorithm, and extracting a moving target in the image. According to the method, strong semantic information is introduced through an instance segmentation model based on a convolutional neural network, and a moving target in an image can be well extracted in combination with difference information obtained by an inter-frame difference method. The method is simple to implement and has good robustness.