35results about How to "Have independence" patented technology

The invention relates to a system and a method for monitoring an outdoor display screen by using a video image and/or a digital photo. The system is provided with an image acquisition device, an image monitoring device and a communication device, wherein the image acquisition device is arranged on the front side of the outdoor display screen; and the image monitoring device is connected with the image acquisition device and is provided with an intelligent image identification module, a communication protocol processing module and an intelligent judging and comparing module. The monitoring method comprises the following steps that: the image acquisition device shoots a display content of the outdoor display screen in real time and transmits the shot video and/or digital photo to the image monitoring device; the image monitoring device carries out two types of identification of a point-to-point lattice or an integrated image-text content on the video or the digital photo, and compares aprocessed display screen image lattice file with the original image file of a control center to judge whether the display screen image lattice file is displayed correctly; if a display fault is found, the number of fault lattices is checked in detail to obtain the correct working rate of a light-emitting diode (LED) of the outdoor display screen and automatically generate an alarm signal; and thealarm signal is transmitted to the control center by the communication device, so that maintenance personnel eliminates the fault in time.

The invention discloses a method for constructing a demand response scheduling evaluation system of a simulated peak-shaving unit. The method comprises: determining demand response scheduling evaluation time; taking the simulated peak-shaving unit as a target, and constructing the three-layer demand response scheduling evaluation system of the simulated peak-shaving unit from time dimension, capacity dimension and object dimension, wherein a first layer is a totality index, a second layer is a generality index, and a third layer is a specificity index; taking an ideal peak-shaving curve as an evaluation target, and constructing the demand response scheduling evaluation system of the simulated peak-shaving unit; and performing analysis on an index system with an evaluation method of an attribute interval recognition theory, and performing scheduling evaluation calculation. The demand response scheduling evaluation system of the simulated peak-shaving unit, constructed with the method, has comprehensiveness, independence, easy measurement property, flexibility and practicality, is helpful for more visually understanding a demand response scheduling result and a user response state in power grid scheduling, and provides a scientific and accurate basis for implementing demand response and settlement.

An annular jet cooling device for controlled cooling of hot-rolled seamless steel tubes comprises an upper half water spray ring and a lower half water spray ring. The upper half water spray ring and the lower half water spray ring are identical in structure and symmetrically arranged and communicate with a bypass flow collector pipe. An adjusting valve group is connected between the water spray rings and the bypass flow collector pipe and achieves control over the water spray flow and the water pressure. The outer surfaces of the water spray rings are provided with water inlets. The inner surfaces of the water spray rings are provided with a plurality of cooling nozzles, wherein the cooling nozzles are sequentially distributed. A cooling compensation nozzle is installed between the side ends of the middle attached faces of the upper half water spray ring and the lower half water spray ring. The jet direction of the cooling nozzles and the moving direction of a steel tube form an included angle. The jet direction is towards the positive direction or the reverse direction of the moving direction of the steel tube. According to the annular jet cooling device for controlled cooling of the hot-rolled seamless steel tubes, the water spray flows of the upper half water spray ring and the lower half water spray ring are independently set, controlled cooling can be carried out on conventional hot-rolled seamless steel tubes of any diameters through setting of the number of the opened water spray rings, the water pressure and other parameters, the finish cooling temperature can be accurately controlled, and the annular jet cooling device for controlled cooling of the hot-rolled seamless steel tubes is higher in applicability and significantly improves the cooling evenness.

The invention relates to a method and system for predicting the social network information transmission trend. The method includes the steps that information data and user date in a social network are obtained, and a user categorical distribution vector is calculated by means of the user data; normalization processing is carried out on the information data; smoothing processing is conducted on the normalized information data through a moving average method, a Diffusion-Info user categorical distribution vector is combined to figure out predicted points of the information transmission trend, and an information transmission trend line is drawn; a plurality of basic information transmission curves obtained through a K-SC algorithm and the information transmission trend line are fitted to obtain a follow-up trend line of the information transmission trend prediction line. According to the method and system, information transmission capacity can be estimated as soon as possible, hysteresis of a traditional method is reduced, and assistance is provided for timely pushing of information and timely control of public opinions of the social network; meanwhile, when the system operates, cost of an internal storage is low, and high efficiency, independence and transportability are achieved.

The invention is used to remove the cross talk generated from a two-channel sound source. The method comprises: providing a sound inputting device used for inputting a two channel sound source; setting a transfer function relation between the cross talk removing system and the user's head to get an outputted transfer pulse response; setting the antarafacial output transfer function pulse of the outputted transfer pulse response level off to zero; setting the homolateral output transfer pulse response of the outputted transfer pulse response to be delayed than the homolateral head transfer pulse response of the head transfer function; after a reversed calculation, getting the parameter of the cross talk removing system; using the parameter to make filter to get the output signals.

The invention relates to an SNS-based bus information prompting method and an SNS-based bus information prompting system. The method comprises the steps of obtaining bus taking information of each buspassenger; clustering the bus taking information corresponding to the buses in the same bus route and the same direction to obtain the current position information of the buses; and according to theposition information of the bus passenger and the position information of the taken bus, obtaining the distance between the current bus passenger and the taken bus, and calculating the waiting time required by the current bus passenger. The time from the bus to the station is pre-judged through the behavior analysis of the bus passengers, so that the passengers can check the time in advance and make preparations. Meanwhile, the scheme has independence and flexibility and can be in butt joint with existing city bus APPs and can also provide independent APPs. Services are provided for passengers.

The invention discloses a modularized complicated equipment Bayesian network failure prediction method, which is used for solving the technical problem of poor practicability of the existing equipment failure prediction method. The modularized complicated equipment Bayesian network failure prediction method has the technical scheme that firstly, complicated equipment is decomposed and modularized according to actual requirements and physical boundaries among components; then, a FPBN (Failure Prediction Bayesian Network) model of each module is built for each module of the complicated equipment by different modeling methods, and the model of each module is further modified so that each module is modularized for forming a FPBNM (Failure Prediction Bayesian Network Module); then, each PBNM is integrated for building an FPBN integrated model of the whole complicated equipment system; and finally, the actual operation state of the equipment is predicted on the basis of the built fault prediction integrated model through using detection information as a drive by using a probability theory formula. The modularized complicated equipment Bayesian network failure prediction method has the advantages that the method is used for the maintenance and the guarantee of the complicated equipment on the basis of the modularization and the Bayesian network; the time state of the complicated equipment can be fast and accurately predicted; the maintenance efficiency is effectively improved; the maintenance cost is reduced; and the practicability is high.

The invention relates to a data definition method of a visual chart and an implementation chart library thereof, and the data definition method specifically comprises the following steps: placing general information of a visual instance at a high-level level, and placing personalized information of the visual instance at a low-level level, wherein the general information comprises an instance identification class, attribute information, auxiliary information and a data overall definition, and the personalized information comprises specific data information, theme styles and chart capability configuration items. According to the data definition method for the visual chart, information such as data, data types, chart styles, charts and instructions behind the chart is defined, and a universal and universal visual data structure standard is formed; based on the data definition, a set of chart component library is achieved, a static chart, an interaction chart and a time axis dynamic chartcan be displayed, the change rule of the data in the time dimension can be displayed, and the pursuit of people for the visual level is better met.

The invention discloses a sandy soil fertility promoting circulating system which comprises a water storage unit, a backflow unit, a flow seepage and guide layer, a sandy soil protection layer and a plurality of independent water supply and drainage matrixes. Sustainable water circulation is formed by the water storage unit, the backflow unit and the water supply and drainage matrixes, and the water supply and drainage matrixes can be combined to operate or selectively and independently operate. According to the sandy soil fertility promoting and circulating system, the water supply and drainage matrixes have independence and autonomously form a net, combined use or randomly alternative use can be achieved, and the circulating system is more flexible in application. Height differentiatinglaying of the water supply and drainage matrixes can be carried out according to the need for different depths of a sandy soil layer, the selectivity is flexible, and the on-site laying needs of various landforms and terrains are met. The flow seepage and guide layer is adopted for guiding water in sandy soil, a water gathering and flow converging function is achieved, the water circulation use rate of the circulating system is increased, and the sustainability of the circulating system is improved. The structure for the water drainage matrixes and fertilizer applying matrixes is easy to assemble and lay, and construction is convenient and fast.

The invention discloses a demand response effect evaluation method by taking load limit as the goal. The method includes the following steps that firstly, demand response evaluation time is determined; secondly, three evaluation sub-goals are determined by taking load limit as the goal; thirdly, a demand response effect evaluation system by taking load limit as the goal is established according to the judgment standard whether the evaluation sub-goals are strongly correlated; fourthly, per-unit disposal is conducted on important evaluation indexes and auxiliary evaluation indexes, the percentage of each evaluation index is worked out, and the weighting method is adopted for unified solving to obtain an evaluated value. The evaluation method has comprehensiveness, independence, easy measurement, flexibility and practicability, needed data are obtained conveniently and are easy to understand, solving is conducted through the weight factor method, engineering application is facilitated, and the method plays a role in filling the blank in the aspects of demand response/orderly power utilization effect evaluation or demand response allowance standard formulation.

The invention discloses a power detection method of an engine of construction machinery and a device thereof. In the device, a connecting shaft is connected with a power output mechanism of the engine and a power input shaft of a driven mechanism, both ends of a connecting shell are respectively connected with a flywheel shell of the engine and a shell of the driven mechanism, a coupling is provided with a torque induction device, a torque signal transmission primary coil and a power receiving secondary coil, the connecting shell is provided with a power transportation primary coil, a secondary coil used for acquiring a torque signal and a junction box which comprises a power conversion circuit, a torque signal modulation circuit and an external port, the torque signal transmission primary coil is in electromagnetic coupling with a torque signal receiving secondary coil, and the power transportation primary coil is in electromagnetic coupling with the power receiving secondary coil. The power detection device of the engine of the construction machinery has the advantages that the structure is simple and compact, and implementation and maintenance are easy.

The invention provides a method and a system for judging MVB working master station equipment, and the method comprises the steps: calculating a threshold parameter D from slave station equipment i toa bus logic port j, wherein i is greater than 0, and j is greater than 0; detecting master-slave frame delay T from the slave station equipment i to the bus logic port j; comparing the master-slave frame delay T with the threshold parameter D; if T is greater than or equal to D, judging that the currently used master station equipment is master station equipment A; and if T is less than D, judging that the currently used master station equipment is master station equipment B. Aiming at bus topological structures of the MVB master station in different network segments, on the premise that other information irrelevant to the bus is not used, the delay characteristic of the MVB bus data is fully utilized, accurate judgment of the current MVB working master station equipment is achieved, andthe method has independence and universality.

The invention relates to the field of environmental engineering and in particular provides a device suitable for subsurface infiltration treatment of wastewater and a use method of the device. According to the technical scheme, the device is characterized by comprising an upper groove, a lower groove, a water inlet pipe and a vent pipe, wherein a grid supporting plate is arranged at the bottom of the upper groove; a water inlet pipe interface is arranged on the upper side surface of the upper groove and is in threaded connection with the water inlet pipe; a water distribution pipe is arranged at a part, which is 2-4cm away from the top, in the upper groove; the upper groove is filled with light ceramsite with the particle size of 2-3cm or plastic bio-fillers; the lower groove is similar to the upper groove in shape; a lower groove body is 3-5cm wider than an upper groove body and is used for draining the wastewater; the lower groove is filled with 20-100-mesh sand; the upper groove and the lower groove are combined by virtue of a foot plate.

The invention relates to an electric vehicle cluster storage load scheduling evaluation system. An electric vehicle scheduling center acquires regional power grid capacity, user load capacity and a power grid operation state; the electric vehicle dispatching center calculates the maximum charging capacity and the maximum dischargeable capacity of all the electric vehicles in the area; the electricvehicle scheduling center respectively transmits the actual capacity index value, the actual vehicle service time index value, the actual safety operation index value, the scheduling plan index and the actual scheduling economic index value of the electric vehicle cluster storage load scheduling system to the capacity index value and the vehicle service time index value of the electric vehicle cluster storage load scheduling system; and comparison normalization processing is conducted on the safe operation index value, the scheduling plan index and the scheduling economic index value to obtain an electric vehicle cluster storage load scheduling evaluation radar map. According to the method, scientific and reasonable evaluation of the storage load scheduling strategy of the electric vehicle is realized.