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The yarn break detection system of ring spinning based on tunnel magnetoresistance effect is proposed in the paper. The TMR element is used to detect the anomaly signal caused by rotating traveler. The signal reflects the rotation speed of traveler and the yarn break is monitored by speed measurement. The yarn break sensor, section detection module, machine monitoring module are designed and implemented...
Based on the investigation on the application situation about IT in the SMEs of Ningbo, the main problems about the informatization of the fastener manufacturing companies in Ningbo were systematically analyzed, which indicated that the government's guidance is essentially necessary. Then the conclusions were drawn on the principles and suggestions that the local government ought to follow in the...
The mechanism of accident prevention is similar to the hazard immunological recognition of the biological immune system. In a word, an enterprise (or industry park) is like an organism and the safety management system is similar to the biological immune system. Thus, safety management measures are the accident immune factors, which identify and manage the hazardous factors so as to avoid accidents...
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