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651results about How to "Convenience needs" patented technology

Deep learning-based question classification model training method and apparatus, and question classification method and apparatus

The invention discloses a deep learning-based question classification model training method and apparatus, and a question classification method and apparatus. The question classification model training method comprises the steps of extracting feature information samples in question text samples, and generating corresponding first eigenvector samples; performing spatial transformation on the first eigenvector samples to obtain second eigenvector samples; inputting the second eigenvector samples to a plurality of convolutional layers and a plurality of pooling layers in a multilayer convolutional neural network, and by superposing convolution operation and pooling operation, obtaining first fusion eigenvector samples; inputting the first fusion eigenvector samples to a full connection layer in the multilayer convolutional neural network to obtain global eigenvector samples; and training a Softmax classifier according to the global eigenvector samples to obtain a question classification model. The method can avoid a large amount of overheads of manual design of features; and through the question classification model, a more accurate classification result can be obtained, so that locating of standard question and answer is improved.
Owner:BEIJING UNIV OF POSTS & TELECOMM

Software-defined network (SDN) based multi-mode data interaction system and method for intelligent production line

The invention discloses a software-defined network (SDN) based multi-mode data interaction system and method for an intelligent production line. The system comprises an equipment layer, a conversion layer, a network layer, and a server layer, wherein the equipment layer comprises underlying equipment, sensors and data acquisition nodes, and is used to acquire equipment operation information and carry out data summarization; the conversion layer comprises distributed intelligent gateways, and is used for data format conversion and interaction with the network layer; the network layer is erectedthrough an SDN, and is used for dynamic configuration of a conversion protocol of the conversion layer and data transmission path optimization; and the server layer stores different protocol conversion installation packages through establishment of a database, and is used for storage of acquired data and access of user services. The system disclosed by the invention has the advantages that an equipment control plane and a data plane are decoupled based on the SDN, so that network traffics can be flexibly controlled; and a wired network is mixed with a wireless network, so that a data acquisition network system is more flexible and convenient, and is more applicable to the current production line situation.
Owner:SOUTH CHINA UNIV OF TECH

Fitness bike trainer control system realizing stepless control by Android/IOS mobile terminal APP

The invention provides a fitness bike trainer control system realizing stepless control by an Android/IOS mobile terminal APP. The fitness bike trainer control system comprises a display module, an Android/IOS mobile terminal APP master control module, a live-action video module, an information storage module, a Bluetooth module, a fitness trainer master control module, a resistance module and a sensor module. A user uses the Android/IOS mobile terminal APP in a mobile phone to steplessly control the fitness bike trainer; the fitness trainer receives resistance gear information from the Android/IOS mobile terminal APP, PWM output current percentage of the fitness trainer is controlled through combination with a PID fuzzy control algorithm so as to control the magnetic field of an electromagnet of the fitness trainer, the magnetic field of the electromagnet and the magnetic field of a permanent magnet jointly brake an aluminum plate, user riding resistance is generated, and a riding speed is fed back to the Android/IOS mobile terminal APP. The Android/IOS mobile terminal APP can set and store identities and motion information of multiple users, can perform training effect comparison, can display real-time data information about user riding and has a live-action video training function, thereby being capable of meeting fitness requirements of different users.
Owner:YIWU SCI & TECH INST CO LTD OF ZHEJIANG UNIV OF TECH

Household-type rehabilitation training robot for lower extremity exoskeleton

The invention discloses a household-type rehabilitation training robot for lower extremity exoskeleton. The robot is mostly composed of two sets of exoskeleton training devices with the same structure. The exoskeleton training devices are fixed on a frame and height-adjustable and arranged in the form of bilateral symmetry. The exoskeleton training devices comprise hip fixing rods, hip joint parts, thigh parts, knee joint parts and calf parts. The thigh parts and the calf parts are length-adjustable. Hip joints and knee joints are driven by mutually-independent driving devices such that the two sets of exoskeleton training devices do not interfere with each other. The exoskeleton training devices cannot only coordinate motions but also carry out rehabilitation training on unilateral limbs. Therefore, adaptability and practicability of the robot are improved. The household-type rehabilitation training robot for lower extremity exoskeleton has the following beneficial effects: the robot is simple in structure, low in cost and small in size and convenient to use and suitable for users to carry out rehabilitation training at home; according to body parameters of users, the size and relative position of the robot are adjusted; the personalized need of a user for rehabilitation training is met; and the recovery effect is good.
Owner:TIANJIN UNIV
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