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117results about How to "Lower application threshold" patented technology

Robot shaft hole assembly system and method based on teaching learning

The invention discloses a robot shaft hole assembly system and method based on teaching learning. The system comprises a mechanical arm, a six-dimensional force/torque sensor, a passive flexible RCC device and a PC upper computer, wherein the mechanical arm is a multi-axis mechanical arm, the six-dimensional force/torque sensor is arranged at the tail end of the mechanical arm, the passive flexible RCC device is arranged on the six-dimensional force/torque sensor, the passive flexible RCC device is provided with a clamping tool used for clamping a to-be-assembled component, and the PC upper computer can achieve real-time communication with the mechanical arm and six-dimensional force/torque sensor. Firstly, a manual teaching recorder completes the assembly of task data, an assembly skill model is trained by adopting a learning algorithm, then under a control command of the PC upper computer, the mechanical arm carries a pin component to perform shaft hole assembly, and a control systemestablished by the PC upper computer is based on an ROS platform. The robot shaft hole assembly system and method based on teaching learning have the advantages that a flexible behavior of a person when an assembly task is completed is imitated by combining teaching learning, so that the automatic flexible assembly operation of a robot is achieved, and the operation requirements can be met well.
Owner:武汉库柏特科技有限公司

Mobile-network-based system for remotely controlling turning on and turning off of home appliances by cell phone

The invention relates to a mobile-network-based system for remotely controlling turning on and turning off of home appliances by the cell phone, belonging to the technical field of remote control; wherein, on one hand, a on-off controller controls opening and closing of electric power source of home appliances to realize turning on and turning off thereof according to serial port information, on the other hand, the on-off controller reads opening and closing state of electric power source of the home appliances and reports the state information to a control server by the serial ports; a client cell phone or a client computer operates Web browser and checks the on-off state of the home appliances by the browser and sends http format on-off control command to the control server; the control server operates a Web browser which reflects the on-off state of the home appliances read from the serial ports and receives the control command sent from the client browser and transforms and sends the command to the on-off controller. The invention dispenses with complex control components, instead, the cell phone is connected to the system control server by a wireless mobile network and the computer by the internet, thus realizing monitoring of the home appliances anytime and anywhere.
Owner:SHANGHAI JIAO TONG UNIV

Cloud-based blockchain dynamic networking system and cloud-based block chain dynamic networking method

The invention discloses a cloud-based blockchain dynamic networking system and method, and the method specifically comprises the steps of enabling a BaaS management platform to store the information of trusted nodes, and provide a query service of a trusted node list for the outside; querying a local trusted node list through a BaaS platform, and setting a networking request instruction accordingto the returned trusted node list; executing a container creation instruction, and deploying the blockchain node into the container to form a new node; sending a node authentication request to the newnode, and sending an encryption authentication mode and trusted node network information in a request message; after receiving the authentication request, the new node performs node authentication, and sends signature information and network information to the trusted node in a message form; adding a new node to the trusted node to send node adding success information to the new node; sending a node adding instruction to the new node, and adding credible node information to send node adding success information to the credible node after the new node receives the request; and after receiving the node adding success message, enabling the trusted node to start data synchronization.
Owner:INDUSTRIAL AND COMMERCIAL BANK OF CHINA

System and method for X-ray optical grating contrast imaging

The invention relates to a system and a method for X-ray grating contrast imaging. The system comprises an X-ray launching device, a first absorption grating, a second absorption, a detecting unit, a data processing unit and an imaging unit, wherein the X-ray launching device is used for launching X-ray beams to a detected article; the first absorption grating and the second absorption grating are positioned in the launching direction of the X-ray beams, and the X-ray refracted by the detected article forms X-ray signals with different intensity by the first absorption grating and the second absorption grating; the detecting unit is used for receiving the X-ray signals with changeable intensity and converting the X-ray signals into electric signals; and the data processing unit is used for processing and extracting the refraction angle information in the electric signals and calculating the pixel information through the refraction angle information; the imaging unit is used for constructing the image of the article. In addition, a rotating structure can also be utilized to rotate the article to realize a CT imaging mode so as to obtain refraction angles in a plurality of projection directions and the corresponding images and calculate the refraction index tomography image of the detected article by CT reconstruction algorithm. The system and the method adopt the common X-ray machine and the grating above a period of ten micron magnitude to realize the contrast imaging of a decimeter magnitude like viewing field.
Owner:NUCTECH CO LTD +1

Lightweight lumbar auxiliary rehabilitation exoskeleton robot

The invention provides a lightweight lumbar auxiliary rehabilitation exoskeleton robot. The lightweight lumbar auxiliary rehabilitation exoskeleton robot comprises a back spinal traction mechanism, aspinal lumbar bionic mechanism, a spinal lumbar driving mechanism, an intelligent adjustable elastic waistband, an abdominal fixing supporting mechanism, a spinal rehabilitation exoskeleton leg fixingmechanism, a back supporting mechanism, a spinal exoskeleton handheld terminal and a driving control box, wherein the spinal lumbar driving mechanism moves along the back supporting mechanism under the control of the driving control box to cause the bionic deformation of the spinal lumbar bionic mechanism, thereby driving a wearer to achieve traction exercise training of the lumbar front and rearflexion and extension; the back spinal traction mechanism moves up and down under the control of the driving control box, so that the effect is achieved that human body load above the lumbar vertebrae is transmitted to the spinal exoskeleton leg fixing mechanism through the back supporting mechanism and the abdominal fixing supporting mechanism, and the wearer achieves the rehabilitation trainingof the vertical lumbar traction. The lightweight lumbar auxiliary rehabilitation exoskeleton robot adopts integrated design, has a smaller volume, improves the load-to-weight ratio, and achieves intelligent wearable and multi-pose rehabilitation training.
Owner:BEIJING RES INST OF PRECISE MECHATRONICS CONTROLS

Medical artificial intelligence public training platform

The invention relates to a medical artificial intelligence public training platform. The platform comprises a data acquisition module, a data analysis system and a disease database, wherein the data analysis system is used for calling a prediction model matched with a feature field of medical data in an automatic field comparison mode, or automatically establishing the prediction model when the matched prediction model does not exist, then inputting features of the medical data into the prediction model, and outputting disease types or morbidity probability by the prediction model; wherein theprocess of automatically establishing the prediction model is the process of continuously adjusting parameters of the algorithm model by taking the characteristics of the medical data as the input ofthe algorithm model and the corresponding disease type or disease probability is taken as the theoretical output of the algorithm model. According to the medical artificial intelligence public training platform, the time for data preparation and data modeling is greatly shortened, and the dependence of the modeling process on statistics families and IT experts is reduced; and the medical artificial intelligence public training platform can be suitable for modeling, diagnosis and prediction of numerous medical big data business scenes.
Owner:上海华东电信研究院

Semantic Web service composite automatic validation method and system

The invention provides a semantic Web service composite automatic validation method and a semantic Web service composite automatic validation system. According to the method, the Web service of OWL-S description is converted into one atomic process automaton, and the atomic process automaton is combined into composite process automation; the redundancy concurrence and the asynchronous migration of the composite process automation are eliminated to obtain an optimized model; according to compatibility requirements limited by users, the acceptable location set of the composite process automation is determined; according to the validity requirements limited by the users, a logic formula CSV is determined; the optimized model is converted into modeling language of UPPAAL, and the acceptable location set and the logic formula CSV are expressed into a CTL formula; a composition service model described by the modeling language and the CTL formula are input into UPPAAL for validation; the description on the combination process and the atomic process in the OWL-S process is more concrete and complete, the composite operation can be taken without differences, the logic formula and the expression are supported, the description capability is higher, and the validation efficiency is improved.
Owner:FUJIAN UNIV OF TECH

Real-time cutter wear prediction method based on wavelet packet decomposition and deep learning

The invention belongs to the related technical field of cutter state monitoring. The invention discloses a real-time cutter wear prediction method based on wavelet packet decomposition and deep learning. The method comprises the following steps of: (1), synchronously acquiring related sensor signals in a workpiece machining process, selecting stable signal sections as signal sections to be analyzed, and expanding a signal sample to be analyzed to increase the sample size; carrying out wavelet packet decomposition transformation on the to-be-analyzed signal to obtain a plurality of wavelet packet coefficient two-dimensional matrixes; (2), correspondingly taking the wavelet packet coefficient two-dimensional matrix as the input of a feature extraction CNN model block, splicing the one-dimensional feature matrix output by each feature extraction CNN model block into a longer one-dimensional matrix, performing feature fusion, and establishing a two-layer full-connection network, thereby obtaining a convolutional neural network model; and (3), inputting to-be-analyzed signal data into a convolutional neural network model so as to predict the abrasion loss of the cutter in real time. Thecost can be reduced, and the applicability is high.
Owner:HUAZHONG UNIV OF SCI & TECH

Sudden death preventing artificial intelligence life monitoring and cardiopulmonary resuscitation mobile phone and method

The invention discloses a sudden death preventing artificial intelligence life monitoring and cardiopulmonary resuscitation mobile phone, the mobile phone comprises an intelligent mobile phone, an inertia measurement unit, a high-sensitivity microphone, a front camera, a fixing strip, a life monitoring client side and an artificial intelligence server. The fixing strip is used for fixing the mobile phone at a chest position and adhered at the middle of the back of the mobile phone, five millimeters at right side is a strong adhesive region, and the other areas are weak adhesive regions, and inuse, the weak adhesive regions are lifted up and placed under the heel of hand. The life monitoring client side is used for receiving environment sound received by a microphone or the high-sensitivity microphone when a user is sleeping, recognizing apnea of the user and making a call to an emergency contact to seek help. The life monitoring client side is used for guiding rescue people to performcardiopulmonary resuscitation when the user is in apnea and no professional medical personnel exists in the field. The life monitoring client side is used for uploading actions of the rescue people taken by the front camera to an artificial intelligence server to judge whether the actions are correct and give guidance.
Owner:ANHUI PROVINCIAL HOSPITAL

Coating composition of colorful material, colorful material and preparation method of colorful material

The invention discloses a coating composition of a colorful material, the colorful material and a preparation method of the colorful material. The preparation method of the colorful material comprises the following steps of 1) coating a base material with a coating composition A through wire rods, enabling nanospheres to pass through periodically arranged gaps among the wire rods during coating by utilizing the periodically arranged gaps, and after drying and volatilizing a solvent thoroughly, enabling the nanospheres to form a regular and periodically arranged morphology on the surface of the polymer base material; and 2) coating the base material with a coating composition B, drying and volatilizing the solvent completely, attaching the solvent to the coating surface of the obtained coating composition A, and carrying out ultraviolet curing to obtain the colorful material. According to the preparation method of the colorful material, ultraviolet curing is adopted, the production efficiency is high, equipment is simple, a nanosphere coating layer can be selectively transferred to any ideal target base material, and the prepared colorful material has excellent practicability while the colorful effect and various mechanical property effects are guaranteed.
Owner:苏州奥美材料科技有限公司

Anti-interference antenna of satellite system

The present invention relates to an anti-interference antenna of a satellite system. The anti-interference antenna comprises an antenna array, a plurality of zero intermediate frequency demodulation devices, a baseband processing device and a zero intermediate frequency modulation device. The antenna array comprises a plurality of antenna array elements, each antenna array element is connected with one zero intermediate frequency demodulation device separately, and each zero intermediate frequency demodulation device is connected with the zero intermediate frequency modulation device via the baseband processing device separately. The antenna arrays elements receive the satellite communication signals emitted by a satellite communication system, the zero intermediate frequency demodulation devices demodulate the satellite communication signals to obtain the baseband demodulation signals, the baseband processing device carries out the amplitude phase correction on the baseband demodulation signals to obtain the amplitude phase correction signals, carries out the DC offset compensation on the amplitude phase correction signals to obtain the compensation signals and carries out the interference inhibition processing on the compensation signals to obtain the anti-interference baseband signals, and the zero intermediate frequency modulation device modulates the anti-interference baseband signals to obtain and output the anti-interference output signals.
Owner:GUANGZHOU HAIGE COMM GRP INC
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