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322results about How to "Realize automatic judgment" patented technology

Bladed fan load processing system based on Matlab

The invention discloses a Bladed fan load processing system based on a Matlab and particularly relates to fan BLADED load calculating preprocessing and postprocessing software based on MATLAB development. The system is divided into four modules, namely, the Bladed load calculating preprocessing module, the Bladed conventional load postprocessing module, the Bladed component load processing module and the Bladed load working condition self-evaluating module. The common load preprocessing and postprocessing process is automated through a calculation procedure, the manual processing time is shortened for load calculating personnel, the repeated work of the load calculating personnel is reduced, and the load preprocessing and postprocessing efficiency is improved. A load calculation model file based on a self-defined working condition table can be automatically generated, the extreme and fatigue load of each component can be automatically extracted and output, the design load of each component is output based on design and procedure generalization and summarization of each component of the complete machine system, the working condition is automatically evaluated and judged through the procedure according to the evaluation indexes of various working conditions, and whether all working condition simulation models and simulation time sequences are normal or not is fast judged.
Owner:明阳智慧能源集团北京科技有限公司

Railway track real-time monitoring system and data processing method thereof

The invention discloses a railway track real-time monitoring system and a data processing method thereof, and belongs to the filed of railway track safety. The railway track real-time monitoring system comprises a piezoelectric sensor, a collection box, a wireless sensor and a vibrator, wherein both the piezoelectric sensor and the vibrator are arranged on the railway track and connected with the collection box; the wireless sensor is arranged on a high-voltage power line; the collection box sends an encryption signal to the vibrator; the vibrator drives the railway track to generate the vibration; the piezoelectric sensor acquires a vibration audio signal on the railway track and sends the vibration audio signal to the collection box for processing; and the collection box transmits the vibration audio signal through the wireless sensor in a wireless or wired transmission way. In the invention, the vibration audio signal is taken as a data basis for analyzing the failure happening in front of a train, the monitoring blind zone of the railway track is eliminated, the integral collection of the fault analysis basis data is achieved, the failure happening in front of the train can be predicted through the data processing method, and the intelligentization and the netwoking of the monitoring system are improved greatly.
Owner:重庆安谐新能源技术有限公司

Digital body-building system

The invention discloses a digital body-building system which comprises a video acquisition module, a motion state acquisition module, a vital sign acquisition module, a data processing module, an action standard judgment module, an action guidance advice output module, an action command recognition module, a central processing unit, a three-dimensional teaching module, a man-machine operation module, a body-building result statistics module, a physical model building module, a virtual actuator, a virtual sensor and a simulation analysis module. The digital body-building system disclosed by the invention realizes automatic determination and guidance of body-building actions; by using the delivery function of a three-dimensional teaching video of the system, the repeated playback and learning of the teaching video or a guidance video can be performed, so that repeated viewing and understanding of body builders for each action are greatly facilitated, the body-building efficiency is improved, the actions are more standard, and the workload of teachers is also reduced; meanwhile, the comprehensive analysis on human body situations and the targeted body-building program planning can also be realized in a manner of combining a physical model and simulated analysis according to the situations of each body builder.
Owner:SHIJIAZHUANG INST OF RAILWAY TECH

Portable bearing fault diagnosis device and method based on vibration detection

The invention provides a portable bearing fault diagnosis device and method based on vibration detection. The portable bearing fault diagnosis device comprises a vibrator sensor and a portable bearing fault diagnosis instrument, wherein the portable bearing fault diagnosis instrument comprises a shell and a circuit device; the circuit device comprises an A/D (Analogue/Digital) conversion module, a DSP (Digital Signal Processor) data analyzing module, an ARM (Advanced RISC Machines) data processing module, a storage module, a display module and a power supply module; the A/D conversion module is used for uploading an acquired and processed signal of a vibration sensor to the DSP data analyzing module for analysis and fault judgment; the ARM data processing module is used for receiving a processing result and distributing storage and display. The diagnosis method mainly comprises the following steps: a vibration signal is obtained by the vibration sensor; the signal is acquired by the A/D conversion module; the DSP data analyzing module is used for analyzing and processing; a fault analyzing result is stored and displayed. The portable bearing fault diagnosis device is simple and rapid to operate, and has high diagnosis precision and high automation degree; the real-time monitoring and the fault diagnosis of a rolling bearing fault can be effectively realized.
Owner:SHANXI LUAN ENVIRONMENTAL ENERGY DEV +2

Image feature rapid matching method and system applied to mine machine vision

The invention relates to an image feature rapid matching method and system applied to mine machine vision, belongs to the technical field of mine safety, and solves the problems of low mine abnormal condition detection efficiency, poor real-time performance and low accuracy in the prior art. The method comprises the following steps: denoising a to-be-analyzed image; performing super-pixel segmentation to obtain a plurality of image blocks; calculating the information entropy of each image block, and obtaining the image blocks with the information entropy larger than a first preset threshold value; extracting feature points of the image blocks by using an SURF algorithm so as to obtain a feature point set of the to-be-analyzed image; describing feature points in the feature point set by adopting a Harr wavelet method to obtain a feature point descriptor set of the to-be-analyzed image; and matching the feature points in the feature point set of the to-be-analyzed image with the featurepoints of the target image based on the feature point descriptor set of the to-be-analyzed image to confirm whether the mine is abnormal or not. The method can quickly and accurately detect whether the mine is abnormal or not, and is beneficial to the technical processing of the mine abnormality.
Owner:CHINA UNIV OF MINING & TECH

Wind driven generator set fault diagnosis system and method

The invention discloses a wind driven generator set fault diagnosis system and method. The system comprises a noise acquisition unit and a noise processing unit. The noise acquisition unit is used for acquiring noise signals in the cabin of a wind driven generator set in real time. The noise processing unit is used for calculating the sound pressure level and the frequency spectrum characteristic of the noise signals. The sound pressure level and the frequency spectrum characteristic of the noise signals are compared with the standard sound pressure level and the standard frequency spectrum characteristic of the noise signals of the wind driven generator set under the same working conditions, and occurrence of a fault on the wind driven generator set is judged if the comparison result indicates that the difference exceeds a preset range. Occurrence of the fault on the wind driven generator set is judged by comparing the sound pressure level and the frequency spectrum characteristic of the noise signals in the cabin with the standard sound pressure level and the standard frequency spectrum characteristic of the noise signals of the wind driven generator set under the same working conditions without influencing normal working of the wind driven generator set so that automatic diagnosis of the fault is realized, fault diagnosis is timely and effective, the noise signals are used as data sources and realization cost is low.
Owner:北京汉能华科技股份有限公司

Psychosis automatic discrimination method based on multi-level feature fusion of functional connection networks

The invention proposes a psychosis automatic discrimination method based on multi-level feature fusion of functional connection networks, and the method comprises the steps: constructing the functional connection network by using resting-state functional nuclear magnetic (Rs-fMRI), calculating features of two levels: network attribute features and functional connection features, wherein the network attribute features include six network local attributes and six network global attributes; stacking all functional connection networks all functions to calculate an average network, reserving a certain proportion of edges, and taking the correlation of the reserved positions as the features of the connection hierarchy; simplifying the features of two levels through the group Lasso with the consideration to the independence of brain regions and the correlation between features, and respectively constructing a support vector machine (SVM) classifier, and obtaining a final classification resultin a weighted voting mode. The method realizes automatic discriminant analysis of whether or not suffering from mental illness, and improves the accuracy of diagnosis of psychosis, and the method canbe applied to actual clinical diagnosis.
Owner:CENT SOUTH UNIV

Ward patient monitoring system and monitoring method based on Kinect equipment

The invention relates to a ward patient monitoring system and monitoring method based on Kinect equipment. The monitoring system comprises the Kinect equipment, a patient monitoring management equipment, an alarm module, a wireless communication module and a mobile terminal. According to the monitoring method, the real-time monitoring and analysis of the action, voice and position of a patient are carried out, and the automatic judgment and alarm of the abnormal behavior, the movement position and the voice request of the patient are realized. In the monitoring process, the data of the patient can be managed and stored in the monitoring process, the data and information can be transmitted to mobile terminals of a doctor and the relatives of the patient in real time, the timely understanding of the state of the patient is facilitated, and a monitoring suggestion is timely fed back to monitoring personnel. According to the system and the method, the real-time monitoring and alarm of the movement state of the patient can be carried out, large convenience is brought to the care of the patient, the information of the patient can be effectively managed, the subsequent treatment is facilitated, and the system and the method have good reliability and practicality.
Owner:刘艺晴

Well control project monitoring system

The invention relates to a well control project monitoring system comprising a drill floor adjusting device, a drilling tool is inserted into a borehole through the drill floor adjusting device, a sludge circulation system passes through an inner cavity of the drilling tool, circulates in the annular space of the borehole out of a circulation tank and then is pumped into the inner cavity of the drilling tool through a sludge pump to form a closed loop, an anti-spilling pipe is connected to the upper portion of the borehole, the upper end of the anti-spilling pipe is provided with a wellhead sealer, a blowout preventer is arranged at the lower portion of the anti-spilling pipe, a grout pipe and a grout pump sequentially pass through the position between the wellhead sealer and the blowout preventer and then are connected with a sludge tank, the grout pipe is provided with a grout pipe flow sensor, a guide pipe flow sensor is arranged at the position, at a guide pipe of an outlet of the anti-spilling pipe, of the sludge circulation system, and a vertical pipe flow sensor is arranged at an inlet of the sludge circulation system. The well control project monitoring system is stable in performance, can achieve recording and wireless remote transmission of on-the-spot working information in real time, and provides the basis for integration of the spot and a foundation, information sharing, remote control commanding, accident replaying and investigation treatment.
Owner:PANJIN CHUNYA PETROLEUM TECH

Wiring detection method and device of printed circuit board and computer readable storage medium

PendingCN111859847AImprove detection accuracy and detection efficiencyImprove detection efficiencyCAD circuit designSpecial data processing applicationsTarget lineLine segment
The invention discloses a wiring detection method and device of a printed circuit board and a computer readable storage medium. The method comprises the following steps: segmenting and extracting alldifferential pair winding line segments in a differential signal line; based on the position information of each line segment in the differential pair winding line segments, determining a plurality oftarget line segment groups located at the protruding positions, for each target line segment group, determining a corresponding first target line segment according to the position information of a preset position on a parallel line segment in the current target line segment group, and determining a second target line segment which is the same differential pair as the first target line segment; calculating the length value of the first target line segment and the vertical distance between the first target line segment and the second target line segment to serve as the winding parameter value of the target line corresponding to the current target line segment group; and judging whether the target wire meets a preset wire winding rule or not based on the wire winding parameter value and thewire winding parameter standard value, therefore, the defects that time and labor are wasted and errors are likely to occur when whether the differential wire wiring rule meets the requirement or notis manually detected in the related technology are overcome.
Owner:SUZHOU LANGCHAO INTELLIGENT TECH CO LTD

Method and device for generating operation and maintenance knowledge base based on operation and maintenance work order

The invention discloses a method and a device for generating an operation and maintenance knowledge base based on an operation and maintenance work order. The method comprises the following main steps: 1) setting a strategy of automatically generating knowledge in a knowledge management system; 2) handling the operation and maintenance work order and transmitting the operation and maintenance work order to the knowledge management system by an operation and maintenance flow system; 3) when receiving the operation and maintenance work order by the knowledge management system, intelligently analyzing according to the strategy set in the step 1); 4) in the intelligent analysis process, matching the operation and maintenance work order with the strategy, and generating corresponding knowledge by the system; 5) generating new knowledge and automatically prompting a knowledge base administrator to audit the validity of the knowledge by the knowledge management system; and 6) logging in the system for auditing the validity of the knowledge by the knowledge management administrator, and marking the audited knowledge as the valid knowledge which can be viewed and used. By the method, the knowledge based on the operation and maintenance flow process is accumulated and intensively collected, so that the risk that the operation and maintenance knowledge cannot be accumulated due to departure of an operation and maintenance staff is lowered.
Owner:勤智数码科技股份有限公司
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