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35results about How to "Solving Adaptive Problems" patented technology

Multi-language speech recognition method based on language type and speech content collaborative classification

ActiveCN110895932ASolving Adaptive ProblemsRealize collaborative identificationSpeech recognitionAcoustic modelPosteriori probability
The invention discloses a multi-language speech recognition method based on language type and speech content collaborative classification. The method comprises the following steps: 1) establishing andtraining a language type and speech content collaborative classification acoustic model; wherein the acoustic model is fused with a language feature vector containing language related information, and model adaptive optimization can be performed on a phoneme classification layer of a specific language by utilizing the language feature vector in a multi-language recognition process; 2) inputting aspeech feature sequence to be recognized into the trained language type and speech content collaborative classification acoustic model, and outputting phoneme posteriori probability distribution corresponding to the feature sequence; the decoder generating a plurality of candidate word sequences and acoustic model scores corresponding to the candidate word sequences in combination with the sequence phoneme posteriori probability distribution of the features; and 3) combining the acoustic model scores and the language model scores of the candidate word sequences to serve as an overall score, and taking the candidate word sequence with the highest overall score as a recognition result of the voice content of the specific language.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI +1

Circulating fluidized bed boiler device using low calorific value coal gangue for post ignition

The invention discloses a circulating fluidized bed boiler device using low calorific value coal gangue for post ignition, and belongs to a combustion system of a coal fired boiler. The device mainly comprises a hearth, a cyclone separator, a riser, a circulating ash heat exchanger, a header, a fluidized bed slag cooler and the like. The device is characterized in that: heat exchange and combustion are separated; the combustion is performed in a heat insulation region; a heating surface is arranged in a fluidized bed with finer particles; the device comprises a fine particle fluidized bed, a circulating ash heat exchanger and a fluidized bed slag cooler; the bottom part of the hearth is divided into two fluidizing regions; the flow direction of the bed material between the two fluidizing regions is changed by changing the fluidizing air parameter and slag discharge of the two fluidizing regions so as to fulfill the aim of adjusting the bed temperature; and both the hearth and the circulating ash heat exchanger are communicated with the fluidized bed slag cooler, so that the ash and the slag of the fluidized bed slag cooler can be independently discharged to greatly improve the adaptability of the boiler to fuels. The device has the main advantages of burning the fuels such as coal gangue with a low calorific value and the like and solving the problem of heavy wearing of the heating surface well.
Owner:CHONGQING UNIV

Adaptive threshold multi-target falling detection method based on video processing

ActiveCN108764131AImprove real-time and accuracyOvercoming forgetfulness and resistance to wearingCharacter and pattern recognitionSelf adaptiveAspect ratio
Provided is an adaptive threshold multi-target falling detection method based on video processing. According to the technical scheme, the method includes following steps: step 1, acquiring image information of users, and recording an aspect ratio, an effective area ratio and a center change of a human body image in a minimum external rectangle of the user during normal activity and falling; step 2, giving different weights to different sensitive degrees of falling by employing the aspect ratio and effective area ratio of the human body image, obtaining new determination parameters, and realizing fusion of falling determination modes; step 3, setting optimal thresholds for users of different body types; and step 4, realizing target falling detection according to the acquired image information of the users in step 1 and the fusion of the falling determination modes in step 2 and with the combination of the set optimal falling thresholds of the users in step 3. According to the method, the defect that people easily forget and contradict wears in a wearable type falling detection scheme is overcome, and difficulties of high misjudgment rate, expensive price and inconvenient laying dueto an environment type falling detection system are solved.
Owner:HARBIN UNIV OF SCI & TECH

Square battery charge-discharge test motion mechanism and application method

The invention provides a square battery charge-discharge test motion mechanism and an application method. The motion mechanism comprises a mounting bottom plate, a voltage regulation driving mechanism, a battery tray mechanism and a positive and negative electrode conduction mechanism, wherein the voltage regulation driving mechanism is arranged on a mounting plane, comprises a driving part and apushing part and is used for pressurizing or releasing a battery tray mechanism; the battery tray mechanism is arranged on the mounting plane, comprises a bottom plate, a stop block and a plurality ofgroups of battery trays and is used for bearing a square battery; and the positive and negative electrode conduction mechanism is arranged on the mounting plane, comprises a top plate, a probe mechanism and a jacking mechanism and is used for being in contact with the positive and negative electrodes of the square battery. The application method comprises the following steps: placing the batterytrays on the bottom plate, and pressurizing the square battery by the voltage regulation driving mechanism after the battery trays are in place; and feeding back position data of each battery to an electric cylinder assembly by a CCD camera so as to adjust the position of a probe, and detecting the square battery. The square battery charge-discharge test motion mechanism and the application methodhave the beneficial effects that the operation is fully automatic, and the battery trays are high in compatibility; and the test probe can also be self-adjusted and self-adapted to different types ofbatteries.
Owner:ZHEJIANG HANGKE TECH

High-efficiency dust removal equipment for pcb circuit boards for electronic technology development

ActiveCN113102310BSolve the problem of batch dust removalSolve the problem of automatic double-sided dust removalDirt cleaningCleaning using toolsCircular discTechnology development
The invention relates to high-efficiency dedusting equipment for PCB circuit boards used in the development of electronic technology, which effectively solves the problem that the existing PCB circuit board dedusting process cannot perform batch dedusting on PCB circuit boards and the dust removal process needs to replace the cleaning surface of PCB circuit boards, which is inconvenient to operate. Problem; the technical solution it solves is to include a base frame, which is characterized in that a support base is slidingly connected up and down on the base frame, the upper end of the support base is coaxially fixedly connected with a connecting shaft, and a plurality of bearing brackets are fixedly connected on the connecting shaft, and the base frame The upper end is fixedly connected with the upper sleeve, the upper sleeve is coaxially slid up and down and connected with the lifting disc, and the lower end of the lifting disc is fixedly connected with the connecting shaft sliding up and down to connect the lifting sleeve, and the lifting sleeve and the coaxial rotation are connected to the upper sleeve The reciprocating lead screw in the barrel is threaded, and the reciprocating lead screw is connected with the driving motor fixedly connected to the upper end of the upper sleeve; the structure is simple and practical.
Owner:UNIV FOR SCI & TECH ZHENGZHOU

Multilingual Speech Recognition Method Based on Collaborative Classification of Language Type and Speech Content

ActiveCN110895932BSolving Adaptive ProblemsRealize collaborative identificationSpeech recognitionAcoustic modelSpeech sound
The invention discloses a multilingual speech recognition method based on the cooperative classification of language types and speech content. The method includes: step 1) establishing and training an acoustic model for the cooperative classification of language types and speech content; the acoustic model incorporates language-related information Language feature vector, in the process of multilingual recognition, the language feature vector can be used to perform model adaptive optimization on the phoneme classification layer of a specific language; step 2) input the speech feature sequence to be recognized into the trained language type and speech content collaborative classification acoustic model, output the phoneme posterior probability distribution corresponding to the feature sequence; the decoder combines the sequence phoneme posterior probability distribution of the feature to generate several candidate word sequences and their corresponding acoustic model scores; step 3) combine the acoustic model scores of the candidate word sequences and The language model scores are combined as the overall score, and the candidate word sequence with the highest overall score is used as the recognition result of the speech content of the specific language.
Owner:INST OF ACOUSTICS CHINESE ACAD OF SCI +1

An Adaptive Method for Volkswagen Wet Dual Clutch Transmission

The invention discloses a self-adaptive method used for a wet double-clutch gearbox of Volkswagen, and belongs to the field of automobile parts. The method comprises the following steps: obtaining thetype of the gearbox and the temperature of lubricant oil in the gearbox; detecting whether the type of the gearbox is a predetermined type or not and whether the temperature of the lubricant oil in the gearbox is within a predetermined temperature range or not; obtaining and storing the engagement distance and engagement torque of a first clutch, and the engagement distance and engagement torqueof a second clutch while detecting that a self-adaptive condition is met; and sending a plurality of self-adaptive instructions to the gearbox according to predetermined sequence and rule, wherein theself-adaptive instructions comprise a transmission tolerance adjustment instruction for the gearbox, a synchronous measurement point adjustment instruction for the gearbox, an initialization settinginstruction, an engagement pressure value correction instruction for the clutches, a safety function value correction instruction, a steering self-adaptive value correction instruction, and an ESP andcruise self-adaptive value correction instruction. According to the method, the problem of high requirement on professional skill during self-adaption of the gearbox is solved; and the effect of gearshift smoothness during driving is achieved.
Owner:WUXI VOCATIONAL & TECHN COLLEGE

Interface rate control method and device based on Ethernet

The invention relates to an Ethernet-based interface rate control method and an Ethernet-based interface rate control device. The Ethernet-based interface rate control method comprises the steps of: judging whether a node where a current interface locates is a slave node after starting a process; if so, controlling corresponding function modules to carrying out interface rate parameter configuration and resetting process and message processing according to a preset rate configuration mode and a corresponding clock strategy, and judging whether the rate configuration mode is completed or not according to signals fed back by the corresponding function modules; and reporting a rate configuration result to a CPU. According to the Ethernet-based interface rate control method and the Ethernet-based interface rate control device, an interface compatible with multiple rates can be established on programmable logic, and the interface can adopt the appropriate rate for network communication according to different network environment rates, thereby solving the equipment self-adaptive problem in the network environment at the multiple rates, reducing cost and risk of version upgrade and maintenance, reducing the dependence on the CPU, and improving the processing capability of the entire system.
Owner:ZTE CORP
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