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38results about How to "Good interaction" patented technology

High-power double-wire pulse MIG welding low-frequency modulation type double-pulse control system

InactiveCN105269117AImprove welding efficiencyEasy to achieve one-time forming weldingWelding accessoriesHuman–machine interfaceAlternating current
The invention discloses a high-power double-wire pulse MIG welding low-frequency modulation type double-pulse control system. The system comprises a main engine power supply for supplying current to a front wire and cooperatively controlling the whole system, and a slave engine power supply for supplying current to a back wire, wherein a main engine and the slave engine power supply are connected through a CAN bus; the main engine power supply and the slave engine power supply respectively comprise two main circuits and control circuits; one ends of the two main circuits are connected with three-phase alternating current, and the other ends are connected with an electric arc load after parallel connection; the main circuits comprise power conversion modules; and the control circuits comprise human-computer interface modules, DSP digital cooperation control modules, high-frequency driving modules and voltage current detecting modules. The system can realize synchronous, alternating and random three types of low-frequency modulation type double pulses, and uses two ways of low-frequency modulation type double pulses of main and slave engines for acting on high-power double arcs and double-wire molten drops and causing the molten pool resonance to improve the welding process stability, to optimize the welding line structure and to improve the welding line forming quality.
Owner:SOUTH CHINA UNIV OF TECH

Emotion monitoring system for pets

InactiveCN103405238AGood interactionReal-time mastery of emotionsPsychotechnic devicesMicrophoneSpeech recognition
The invention discloses an emotion monitoring system for pets. The emotion monitoring system comprises an annular necklace arranged at the neck of the pet and a server erected on the network, and is characterized in that a main board is arranged in the necklace. The main board is provided with a microphone, a wireless communication module and a storage battery; the microphone is used for acquiring voice of the pet; the wireless communication module is in wireless communication with the server and is used for sending the voice of the pet to the server; the storage battery is used for supplying power to the main board; the server comprises an emotion analysis module and is used for judging the emotion of the pet according to the volume, type, tone and frequency of the pet voice. The microphone is arranged on the necklace of the pet for acquiring the voice of the pet, and the voice is transmitted to the remote server. The emotion analysis module is arranged on the server so as to analyze the emotion variation of the pet in a manner of artificial recognition, particular program recognition and the like, and the emotion variation is fed back to an intelligent mobile phone of a master, so that the master can grasp the emotion of the pet immediately, and good interaction between people and animals can be realized.
Owner:苏州跨界软件科技有限公司

Substation monitoring system

The invention relates to a substation monitoring system, which comprises a first zone and a second zone; the first zone and the second zone are connected through a data bus, and the data bus is provided with a firewall located between the first zone and the second zone; the first zone comprises a relay protection device, a measuring and control device, an alternating current/direct current monitoring system, an integration monitoring platform and a telecontrol machine; the relay protection device, the measuring and control device, the alternating current/direct current monitoring system, the integration monitoring platform and the telecontrol machine are respectively and electrically connected with the data bus located in the first zone; the second zone comprises an online monitoring module and a comprehensive processing unit; the online monitoring module and the comprehensive processing unit are respectively and electrically connected with the data bus located in the second zone. The substation monitoring system disclosed by the invention has the advantages that the safety performance is higher, reasonable integration of equipment in a substation is realized, management is convenient, the structure is simple, and the economic efficiency is higher.
Owner:CHINA ENERGY ENG GRP GUANGDONG ELECTRIC POWER DESIGN INST CO LTD

Intelligent teaching interaction system for colleges and universities

The invention discloses an intelligent teaching interaction system for colleges and universities, and belongs to the field of teaching interaction. The intelligent teaching interaction system for colleges and universities comprises student desks and a platform desk, and further comprises a first combined screen, a second combined screen, a display screen, a first processor, a second processor, projection curtains and a movable lifting device, wherein the first combined screen is hung on a wall; the second combined screen is hung on the wall and is used in combination with the first combined screen; the display screen, the first processor and the second processor are arranged on the platform desk; the projection curtains are arranged on the student desks in a lifting manner; and the movablelifting device is arranged on the top wall of a classroom in a sliding manner. For the intelligent teaching interaction system for colleges and universities, through the first combined screen and thesecond combined screen, the interaction and communication state between a teacher and students is displayed in front of the platform, so that the listening and watching of the other students are facilitated, the teaching effect is good, meanwhile, the projection curtains are arranged on the student desks in the classroom, the movable lifting device carries out movable picture recording for realizing interactive intelligent teaching, so that the communication and interaction among the different students can be realized, and the teaching effect is good.
Owner:TAISHAN MEDICAL UNIV

Preparation method of alumina short fibers

The invention provides a preparation method of alumina short fibers. The preparation method includes the following steps that (a) after poly aluminum chloride sol and silica sol are mixed, and hydrolyzing and first distillation concentrating are carried out sequentially to obtain a silicon aluminum composite spinning solution; then a spinning aid is added for second distillation concentration, andthen viscosity control is carried out to obtain a spinning solution with a room temperature viscosity of 1500MPa.s-2200MPa.s; (b) the spinning solution obtained in the step (a) is subjected to spinning to obtain precursor fibers; and (c) the precursor fibers obtained in the step (b) are heated to obtain a fiber grey cotton, and finally squeezing is carried out to obtain the alumina short fibers.Compared with the prior art, the preparation method first uses a specific formula to obtain the spinning solution suitable for a spinning process, and then specific process steps and conditions are combined to achieve better interaction; and the obtained alumina short fibers are short in fibers and easy to disperse, the problems of fiber stranding, adhesion and fiber curling during the spinning process are not prone to occurring, and meanwhile, the thickness deviation on the two sides of the obtained grey cotton is small and the uniformity is good.
Owner:山东鲁阳浩特高技术纤维有限公司

Remote measurement and control system platform and use method thereof

The invention provides a remote measurement and control system platform and a use method thereof. The remote measurement and control system platform remotely controls experiment and collects operation data in real time through a network. Operation images of object circuits are collected by a mobile camera; and all data images and data are transmitted to a remote control end, and a controller makes control instruction feedback. In the system platform, a lower computer platform is mainly used for realizing acquisition and expansion of analog signals and digital signals, transformation and switching of a power supply, processing of channel switching signals, movement control of the camera and image acquisition; and an upper computer takes a virtual instrument as a core, finishes processing of the collected data and sending of a control instruction, and finally, through web publishing, can utilize a browser to log in a remote client to carry out human-computer interaction, and carry out control, monitoring and observation on controlled objects. The remote measurement and control system platform can be embedded in a MATLAB program conveniently for data processing, and meanwhile, has a better interaction effect through graphic language, and realizes remote measurement and control within the coverage range of an internet.
Owner:DALIAN UNIV OF TECH
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