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109results about How to "Simplify the matching process" patented technology

Method and device for matching texts

The invention discloses a method and a device for matching texts. The method comprises the following steps of: acquiring new texts in the current period according to content information collected in the current period and storing the new texts in a database; performing word segmentation on the input new texts, and extracting keywords; calculating the weight of each extracted keyword in each text in the database according to a prestored frequency list of words; periodically updating the frequency list of the words according to the occurrence frequency of each word in each text in the database;calculating the similarity between each new text and each text in the database or calculating the similarity of any two texts in the database according to the calculated weight of each keyword in each text in the database; and determining the relevant text of each text stored in the database according to the calculated similarity. In the method, the problem that all the texts are need to be calculated during matching each time in the prior art is solved in the mode of establishing and updating the frequency list of the words, the matching operation work load is reduced and the system performance is improved.
Owner:ALIBABA CLOUD COMPUTING LTD

Method for classifying documents in mass document library

The invention provides a method for classifying documents in a mass document library. The method includes: determining keywords of each document in the document library and correspondence between each keyword and the document that the keyword belongs to; matching the keywords one by one in a term base, using industry category attribute of a term matching with each keyword as the industry category attribute of the keyword belonging to the corresponding document; determining same maximum industry category attributes in each document according to the correspondence; and using the industry category attribute with the maximum attribution as the category of the corresponding document. Documents in a reference library are subjected to term retrieval according to the idea of backward matching. The term base is a set with a character sequence index structure, string matching by dichotomy in the term base needs 1+log2n times of matching calculation at most, and accordingly matching times are decreased greatly, the matching process is simplified and efficiency in document classification is improved.
Owner:IOL WUHAN INFORMATION TECH CO LTD

Super pixel-based target reconstruction method

The invention provides a super pixel-based target reconstruction method. The method is formed by structure-from-motion (SFM) projection matrix estimation, multi-view stereoscopic vision matching undersuper pixels and synthesis and fusion of depth graphs. A specific process includes the six major steps of: step 1, reading an image sequence, and utilizing a structure-from-motion method to estimatea camera projection matrix; step 2, carrying out super-pixel segmentation on image pairs; step 3, calculating possible depth values for each super pixel; step 4, utilizing an MRF model to select optimal depth values of the super pixels; step 5, creating a multi-scale super-pixel framework; and step 6, carrying out depth graph fusion and surface meshing. According to the method, a disadvantage of insufficient precision of super pixel-based stereoscopic vision matching is overcome, advantages that the same is high in robustness for noises and brightness deviations, can accurately provide targetcontour information, and is low in calculation complexity are utilized, better reconstruction results can be achieved for both texture regions and non-texture regions, and universality is high. The method has broad application backgrounds.
Owner:BEIHANG UNIV

3D point cloud acquisition method based on Gray code structure light and polar constraints

On the basis of the principles of a binocular stereoscopic vision method and an encoding structure light method, the invention provides a 3D point cloud acquisition method based on Gray code structure light and polar constraints. Two constraint conditions of an epipolar constraint and an encoding stripe constraint corresponding to point matching are superimposed, a searching range of point matching is narrowed to one dimension, the matching problem of two view images is simplified, and the matching accuracy is also ensured. The method does not need to calculate the object point depth by using the relative position of a camera and a projector, thereby bypassing the joint calibration problem of the projector and the camera and further facilitating the 3D point cloud acquisition.
Owner:NAT UNIV OF DEFENSE TECH

Mixed power car control system

A control system for the automobile using mixed power features that its controller for multiple energy sources, motor controller, accumulator managing unit, engine managing unit, ABS controllr and TCU controller are connected via CAN bus, and said controller for multiple energy sources is serially connected between electronic throttle pedal and electronic air throttle for controlling both engine and electric motor.
Owner:CHERY AUTOMOBILE CO LTD

Matching method, equipment and system of tire pressure monitoring system

The invention discloses a matching method, equipment and system of a tire pressure monitoring system, belonging to the field of active safety of automobiles. The method comprises the following steps: detecting whether a wireless signal of a first tire pressure sensor is received in a preset time interval, wherein the first tire pressure sensor is any one of preset tire pressure sensors in a vehicle; detecting whether a wireless signal of a second tire pressure sensor which meets the preset conditions is received in the preset time interval, wherein the second tire pressure sensor is different from the preset tire pressure sensors in the vehicle; and replacing the data carried by the wireless signal of the first tire pressure sensor by using data carried by the wireless signal of the second tire pressure sensor which meets the preset conditions when the wireless signal of the first tire pressure sensor is not received in a first preset time threshold and the wireless signal of the second tire pressure sensor which meets the preset conditions is received. According to the matching method, equipment and system of the tire pressure monitoring system, which are disclosed by the invention, the problems that the matching process of the tire pressure monitoring system is complicated and the time consumption is relatively high are solved, the effect of simplifying the matching process is achieved, and the method, equipment and system are used for matching the tire pressure monitoring system.
Owner:CHERY AUTOMOBILE CO LTD

Semantic matching method and device and storage medium

The embodiment of the invention discloses a semantic matching method and device and a storage medium, and is applied to the technical field of information processing. The method includes: enabling Thesemantic matching device to determine word pair characteristics of the to-be-matched text and the target text according to the first word characteristic of the to-be-matched text and the second wordcharacteristic of the target text; And converting the word pair characteristics, the first word characteristics and the second word characteristics into semantic matching vectors, enabling the formatsof the semantic matching vectors to be the same as the format of input data in a preset semantic classification model, and determining the similarity between the to-be-matched text and the target text according to the semantic matching vectors and the semantic classification model. In this process, when a semantic matching vector is determined, the text to be matched and the target text are directly obtained, the time of multiplication calculation between vectors is saved, the matching process of the text to be matched and the target text is simplified, then the structure for achieving semantic matching is simplified, and the training process of the structure for achieving semantic matching is correspondingly simplified.
Owner:TENCENT TECH (SHENZHEN) CO LTD

Clothes collocation recommendation method and device

The invention discloses a clothes collocation recommendation method and device. After a collocation request sent from a user is received, on the basis of a pre-established collocation library and the clothes information, which is carried in the collocation request, of clothes to be collocated, at least one collocation combination matched with environment information carried in the collocation request is selected, and the selected collocation combination is displayed, wherein the collocation library comprises the clothes information and the recommended collocation combination of various types of clothes. Compared with the prior art, the method and the device are characterized in that the photos of various types of clothes do not need to be stored in the locality of terminal equipment or uploaded to a server in advance, and a clothes collocation process is greatly simplified. The problems in the prior art that corresponding equipment has a high memory usage rate, clothes collection efficiency is low and flexibility is poor are solved.
Owner:MEIZU TECH CO LTD

Converse measuring method and device based on axial direction stereovision

The invention discloses a reverse measuring method based on axial stereo view and an arrangement for the method, which essentially comprises two cameras arranged in axial direction, a circular truncated cone inner mirror, a structure light generator and other accessories. During the measuring, the object to be measured is placed on a lifter moving up and down, the structure light generator projects circular plane structure light on the object; a section light stripe is formed at the perimeter after modulation of the surface shape of the object. The two axial cameras concurrently capture the virtual image of the section light stripe in the circular truncated cone inner mirror; then based on the special restricting relationship of outer pole-line of the axial cameras, rapid matching of pixels of same source is carried out; based on the principle of axial stereo vision, the spatial coordinates of each sampling points on the virtual image of the light stripe are calculated. Finally, the shapes of each section on the object are calculated in the symmetry principle of object and image; and the geometric model of the whole object is reverse calculated by axial splitting of section data. For the method, the structure is simple, the equipment cost is low, and the measuring speed is high.
Owner:ZHEJIANG UNIV

Impedance matching method, impedance matching system, and plasma processing device

The invention discloses an impedance matching method, an impedance matching system, and a plasma processing device. According to the impedance matching method, impedance matching between a radio frequency power supply and a load is achieved through an impedance matching network. The impedance matching network includes: a transformer, an inductor, and a capacitor. The primary of the transformer is connected with the radio frequency power supply. The inductor, the capacitor and the load are connected serially with the secondary of the transformer in sequence. The impedance matching method includes: obtaining a turns ratio adjustment amount according to an impedance real part deviation, and adjusting the turns ratio of the transformer according to the turns ration adjustment amount; and obtaining a capacitor adjustment amount according to an impedance imaginary?part deviation, and adjusting the capacitor according to the capacitor adjustment amount. With the impedance matching method, difficulty for impedance matching is reduced so that impedance matching can be achieved easily.
Owner:BEIJING NAURA MICROELECTRONICS EQUIP CO LTD

Intelligent impedance matching device of LC resonant antenna

The invention relates to an intelligent impedance matching device of an LC resonant antenna. With the intelligent impedance matching device adopted, problems such as manual matching, long time matching, complicated process and low precision in an existing antenna impedance matching method can be solved. The intelligent impedance matching device includes the LC resonant antenna, an adjustable matching circuit unit, a test circuit unit and a micro controller; a planar spiral inductor and a parallel plate capacitor are connected in series so as to form the LC resonant antenna; the adjustable matching circuit unit includes an inductor, a first adjustable capacitor array and a second adjustable capacitor array which are in pi-shaped impedance matching network connection; the test circuit unit includes a signal generator; a Wheatstone bridge is connected between two ends of the signal generator; and four bridge arms of the Wheatstone bridge respectively are a first resistor, a second resistor, a third resistor and the adjustable matching circuit unit. The intelligent impedance matching device of the invention has the advantages of high matching efficiency, short matching time, simple matching process, high matching precision and low cost, and can be greatly adaptive to the development of some handheld RF devices.
Owner:ZHONGBEI UNIV

Resource allocation request, method and system of allocation, optical network terminal and optical line terminal

The embodiment of the invention provides a resource allocation request, a method and a system of allocation, an optical network terminal and an optical line terminal. In the method, the optical network terminal reports periodical information on performing inquiry of transmission unit queue use information to the optical line terminal; and the optical line terminal adjusts the period for sending request information on reporting an uplink dynamic bandwidth report to the optical network terminal, sends the request information on the uplink dynamic bandwidth report according to the adjusted period, and transmits dynamic bandwidth resources allocated to the optical network terminal according to a set mode. Through the resource allocation request, the resource allocation method, the resource allocation system, the optical network terminal and the optical line terminal, the accuracy for dynamic resources allocation in a passive optical network system is improved, the maintainability of the system is improved, and the abutting compatibility of the optical network terminal and the optical line terminal is increased.
Owner:HUAWEI TECH CO LTD

Gravity matching method based on improved mean-square deviation (MSD)

The invention belongs to the technical field of a gravity-aided inertial navigation system, and particularly relates to a gravity matching method based on improved mean-square deviation (MSD). The method comprises the following steps: determining reference position information; leading in a position error vector; determining a cost function; determining a position error vector for minimizing the cost function E, so as to obtain a final position. Aiming at the problems of large calculated amount and much elapsed time of the traditional gravity matching method, a position error vector is led in to determine the cost function on the basis of the MSD; the matching process in the matched computer is simplified; the work efficiency of the matched computer is improved on the basis of ensuring the matching accuracy. By adopting the method disclosed by the invention, the position error vector is obtained by leading in an SOR iteration method, and the convergence rate is faster. A gravimetric database is utilized by general matching methods; the accuracy of the existing gravimetric database needs to be further improved. Only the gravity abnormality value and the variation gradient of a point on a reference track are utilized in the matching process of the method; dependence on the gravimetric database is alleviated.
Owner:HARBIN ENG UNIV

Mark point matching method and device, computer equipment and storage medium

The invention relates to a mark point matching method and device, computer equipment and a storage medium, and the method comprises the steps: selecting different mark points from a mark point set for multiple times, taking the three side lengths of a constructed triangle as the coordinate values of a three-dimensional point, carrying out the space search based on the three-dimensional point, and obtaining a matched triangle pair, point cloud splicing is realized; the three sides of the triangle are converted into three points, so that the complex triangle matching problem can be simplified in combination with a spatial search mode, and the time complexity is reduced.
Owner:SHENZHEN SHUMA ELECTRONICS TECH

Method and apparatus for extraction and matching of biometric detail

A method and apparatus of identification by extracting and matching biometric detail from a subcutaneous vein infrared image. The image's Region of Interest is identified and artifacts are removed. A bank of filters, such as Symmetric Gabor Filters, Complex Gabor Filters, Log Gabor Filters, Oriented Gaussian Functions, or Wavelets, filters the image into a set of key value images that are subdivided into regions. An enrollment key, defined by ordered statistical measures of pixel intensities within the regions, is compared using a distance metric to a stored verification key. Various statistical measures may be used, such as variance, standard deviation, mean, absolute average deviation, max value, min value, max absolute value, median value, or a combination of these statistical measures. Various distance metrics may be used, such as Euclidean, Hamming, Euclidean Squared, Manhattan, Pearson Correlation, Pearson Squared Correlation, Chebychev, or Spearman Rank Correlation.
Owner:SNOWFLAKE TECH CORP

Preparation method of 4,5-dicyan base-2-trifluoro-methylimidazole and prepared intermediate and salt thereof

The invention belongs to the technical field of chemical synthesis and particularly relates to a preparation method of 4,5-dicyan base-2-trifluoro-methylimidazole and a prepared intermediate and salt thereof. Diaminoaleo dinitrile and trifluoroacetic acid ester are subjected to aminolysis of ester with solvent or without solvent, amide is obtained, the amide is then subjected to intramolecular dehydration, a crude product of the 4,5-dicyan base-2-trifluoro-methylimidazole is obtained, after the crude product is purified, high-purity dehydrate of the 4,5-dicyan base-2-trifluoro-methylimidazole is obtained, then the high-purity dehydrate is mixed with water phase suspension liquid of salt of metal elements and stirred for a reaction, after the reaction is ended, filtering is conducted to remove an undissolved substance, filtrate is evaporated to be dry in a rotary evaporation mode, after dissolution with solvent is conducted again, filtering, rotary evaporation and vacuum drying are conducted, and the high-purity 4,5-dicyan base-2-trifluoro-methylimidazole salt is obtained. The condition of the whole technological process is safer and milder compared with those of other processes for producing the 4,5-dicyan base-2-trifluoro-methylimidazole, and the preparation method meets the requirement for scaled production.
Owner:武汉海斯普林科技发展有限公司

A string matching method and device

The invention discloses a string matching method and device. The method comprises: after obtaining the first string and the second string, word segmentation is performed on two strings, fields corresponding to the words included in the two strings are determined, the matching degree between the two strings can be determined according to the weight value of each field, if the matching degree is greater than the preset threshold value, the two strings can be considered to match. The matching degree of the two strings can be determined according to the weight value of each field. The weight valueof each field can be determined according to the sample string. Thus, by setting the weight values of different fields, the accuracy of matching between different strings can be improved. Further, compared with the manual comparison method in the prior art, the embodiment of the invention does not require manual comparison, effectively reduces the human cost, can simplify the operation of matching the enterprise name, and can also shorten the matching time.
Owner:蜜小蜂智慧(北京)科技有限公司

4,5-dicyano-2-trifluoromethylimidazole, its preparation intermediate and preparation method of its salt

The invention belongs to the technical field of chemical synthesis and particularly relates to a preparation method of 4,5-dicyan base-2-trifluoro-methylimidazole and a prepared intermediate and salt thereof. Diaminoaleo dinitrile and trifluoroacetic acid ester are subjected to aminolysis of ester with solvent or without solvent, amide is obtained, the amide is then subjected to intramolecular dehydration, a crude product of the 4,5-dicyan base-2-trifluoro-methylimidazole is obtained, after the crude product is purified, high-purity dehydrate of the 4,5-dicyan base-2-trifluoro-methylimidazole is obtained, then the high-purity dehydrate is mixed with water phase suspension liquid of salt of metal elements and stirred for a reaction, after the reaction is ended, filtering is conducted to remove an undissolved substance, filtrate is evaporated to be dry in a rotary evaporation mode, after dissolution with solvent is conducted again, filtering, rotary evaporation and vacuum drying are conducted, and the high-purity 4,5-dicyan base-2-trifluoro-methylimidazole salt is obtained. The condition of the whole technological process is safer and milder compared with those of other processes for producing the 4,5-dicyan base-2-trifluoro-methylimidazole, and the preparation method meets the requirement for scaled production.
Owner:武汉海斯普林科技发展有限公司

Method and equipment for providing access information of wireless access point

The invention aims to provide a method and equipment for providing access information of a wireless access point; the method comprises the steps of acquiring an access information request of a targetwireless access point of a user, wherein the access information request comprises the identifier information of the target wireless access point and the identifier information of a first adjacent wireless access point corresponding to the target wireless access point; determining matched recommended wireless access points on the basis of the identifier information of the target wireless access point and the identifier information of the first adjacent wireless access point; and providing access information corresponding to the recommended wireless access point to the user. Compared with the prior art, the matching accuracy of the access information corresponding to the recommended wireless access point, which is obtained by the user on the basis of the method and equipment in the invention, with the target wireless access point is higher and the number is less so that an operation process of establishing wireless connection by the user is greatly simplified, delay of successfully establishing the wireless connection by the user is reduced, and the user experience is improved.
Owner:SHANGHAI ZHANGMEN TECH

Big data door access management method and management system thereof

The application relates to a big data door access management method and a management system thereof. The method comprises the following steps: acquiring the times of passing through a door access by auser in the preset time quantum, and determining the frequency of passing through the door access by the user in the preset time quantum according to the times; sending identity information of the user to a door access terminal to store from a database of a server according to the frequency, or removing the identity information from the door access terminal. When the frequency of passing throughthe door access by the user is large, the identity information of the user is stored in the door access terminal, and the verification can be performed by calling the identity information of the userfrom the door access terminal when re-verifying the identity information, an operation of calling data from the database of the server every time is avoided, the data preparation process and matchingprocess are simplified greatly, thereby improving the management efficiency of the door access. When the frequency of passing through the door access by the user is less, the original existent user information can be removed from the door access terminal, thereby avoiding the waste of the storage capacity of the door access terminal.
Owner:博拉网络股份有限公司

Data matching method and device, computer equipment and storage medium

The invention relates to a data matching method and device, computer equipment and a storage medium. The method relates to a neural network classification model, and comprises the steps: displaying apreset data acquisition interface when a data matching operation is triggered; after triggering the operation for the data acquisition interface, acquiring to-be-matched data information generated bythe operation; obtaining a medical record of an application end according to the to-be-matched data information, and extracting to-be-matched drug matching data from the medical record; performing name vectorization processing on the drug matching data through a pre-trained drug name matching model to obtain a drug name matching vector corresponding to the drug matching data; querying a preset drug reference name vector table; and performing similarity analysis on the drug name matching vector and a drug reference name vector in the drug reference name vector table, and determining a data matching result according to a similarity analysis result. By adopting the method, the data matching processing efficiency can be improved.
Owner:PING AN MEDICAL & HEALTHCARE MANAGEMENT CO LTD

Self-overflow type graphene oily sewage treatment device

The invention provides a self-overflow type graphene oily sewage treatment device. A tank is a horizontal cylindrical sealed container, and a nitrogen inlet is formed in the top of the sealed container; an oily sewage inlet is connected with an oil-water separation cavity; a water distribution pipe is arranged at the periphery of an upper part of the oil-water separation cavity; a plurality of water spray pipes are uniformly distributed on the water distribution pipe; a primary oil collection cavity is formed in the right side of the oil-water separation cavity, and a baffle is arranged between the oil-water separation cavity and the oil collection cavity; a sewage cavity is formed in the right side of the oil collection cavity, and a water production cavity is formed in the right side of the sewage cavity; the water distribution pipe is arranged between the sewage cavity and the water production cavity, and water spray pipes are arranged on the water distribution pipe; a graphene based mesh film is distributed on the upper part of the water production cavity and below the water spray pipe; an oil collection tank is arranged at the tail part of the graphene based mesh film; an opening is formed in the bottom of the oil collection tank and is connected with a secondary oil collection cavity; and a dirty oil outlet is formed in the bottom of the oil collection cavity. The device disclosed by the invention has the advantages of high oil removal efficiency, small floor space, high pollution resistance, broad water inlet quality requirement, capacity of well adapting to oilfield sewage conditions and simple matching treatment process flow.
Owner:SENUO TECH CO LTD

Traffic light and lane matching method and device and electronic equipment

The invention provides a traffic light and lane matching method and device and electronic equipment, and the method comprises the steps: marking an image in a traffic collection video, and obtaining atraffic image marked with light region frames corresponding to a plurality of traffic lights and traffic images of a plurality of fitting lanes; determining a departure lane corresponding to the vehicle based on the traffic images which contain the vehicle and the vehicle is located on the fitting lane; when the vehicle leaves the driving-off lane, acquiring a signal color represented by each lamp area frame; and performing matching processing on each traffic light and each fitting lane based on the signal color represented by each light area frame and the departure lane corresponding to eachvehicle to obtain a fitting lane corresponding to each traffic light. The method and device have high universality, the matching process of the traffic light and the lane can be effectively simplified, and then the matching efficiency of the traffic light and the lane is effectively improved.
Owner:MEGVII BEIJINGTECH CO LTD

Picture matching method, device, apparatus and storage medium

The embodiment of the invention discloses a picture matching method, a device, an apparatus and a storage medium. The method comprises the following steps: obtaining radar data and video picture of atarget object, wherein the video picture is collected by a camera; determining first position information projected by the target object on the virtual screen according to the radar data and a relative position of the virtual screen and the camera, the virtual screen being located between the camera and the target object; determining second position information of the target object in the video picture according to the conversion ratio of the virtual screen to the video picture and the first position information. The technical proposal provided by the embodiment of the invention realizes the accurate position matching of the target object on the video picture, improves the position matching precision and simplifies the matching process.
Owner:CALTERAH SEMICON TECH SHANGHAI CO LTD

Wearable device

The invention relates to a wearable device. The wearable device comprises a main body, at least three conductive terminals and a bandage. The main body is provided with an accommodating cavity and a mounting groove and comprises a main board arranged in the accommodating cavity; the at least three conductive terminals are accommodated in the mounting groove at intervals and are electrically connected with the main board; the bandage comprises a band body, a clamping end connected with the band body and a conductive part arranged at the clamping end; the clamping end is detachably mounted in the mounting groove, and when the clamping end is mounted in the mounting groove, the conductive part is electrically connected with at least two of the conductive terminals; and the main body can present a user display interface, and display characteristics of the user display interface correspond to the electrically connected conductive terminals. After the clamping end is installed in the mounting groove, the bandage can be directly recognized, and the matching process of the user display interface and the bandage is simplified.
Owner:GUANGDONG OPPO MOBILE TELECOMM CORP LTD

Processing device for biaxially stretched polyvinyl alcohol film and matching method thereof

The invention provides a processing device for a biaxially stretched polyvinyl alcohol film and a matching method thereof. The processing device comprises two meshing crawler belt mechanisms, a heating roller set, a meshing clamping force adjusting assembly, a main body base and a transmission motor, wherein the two meshing crawler belt mechanisms are arranged in a splayed shape, in the thin film clamping and transmission process, the distance between the two meshing crawler belt mechanisms is gradually increased to generate a transverse stretching effect on the film, the rotating linear speed v1 of a driving roller in the heating roller set driven by the transmission motor is smaller than the rotating linear speed v2 of crawler belt transmission rollers of the two meshing crawler belt mechanisms, and the longitudinal stretching effect is generated on the film through the film conveying speed difference between the heating roller set and the meshing crawler belt mechanisms. According to the processing device, double clamping and fixing of the film are achieved through the meshing crawler belt mechanisms and the meshing clamping force adjusting assembly, and therefore the processing device is suitable for conducting high-magnification stretching on the film.
Owner:SICHUAN UNIV

Parameter matching method of constant pressure network power system of hydraulic hybrid vehicle

ActiveCN103991373ASolve the parameter matching problemMatching method is simpleGas pressure propulsion mountingPlural diverse prime-mover propulsion mountingTraffic volumeHydraulic hybrid vehicle
The invention discloses a parameter matching method of a constant pressure network power system of a hydraulic hybrid vehicle. The constant pressure network power system of the hydraulic hybrid vehicle comprises more than one hydraulic transformer, and for simplifying calculation, a hydraulic transformer group consisting of more than one hydraulic transformer is equivalent to one hydraulic transformer, namely the equivalent hydraulic transformer. The transformer equivalent power, transformer equivalent flows and transformer equivalent displacement represent the performance of the equivalent hydraulic transformer. Therefore, the pressure of a constant pressure network, performance parameters of the equivalent hydraulic transformer, the number of the hydraulic transformers and the displacement and number of hydraulic motors are gradually confirmed according to characteristic driving force of a calculating system and internal relation of parameters. By adopting the method, the parameter matching problem of a hydraulic hybrid vehicle system including the hydraulic transformers is solved, and the matching method is simple and effective, flexible in parameter selection and good in applicability.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Power supply driver automatically matched with various specifications of light source loads, lamp and drive method

The invention provides a power supply driver automatically matched with various specifications of light source loads, a lamp and a drive method. The power supply driver comprises a digital power supply driver and a feedback circuit; the power supply driver comprises a detection mode and a normal working mode; in the detection mode, a first controller provides a first voltage for the feedback circuit through the driving circuit; the feedback circuit provides a feedback signal for the first controller through the first detection resistor; and after an obtained feedback signal conforms to a predefined format, the power supply driver enters a normal working mode, the first controller provides preset voltage for the feedback circuit through the driving circuit, the feedback circuit does not work, and a light source to be driven emits light. Therefore, the first controller knows the working requirement of the light source through the feedback information of the feedback circuit in the detection mode, and provides the voltage meeting the working requirement of the light source for the light source in the normal working mode, so that one power supply drive can be automatically matched withlight source loads of various different specifications.
Owner:OPPLE LIGHTING +1
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