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This paper presents the development of a newly designed wireless piezoelectric (PZT) sensor platform for distributed active structure health monitoring (such as aircraft wings and bridges). The developed wireless PZT-sensor network features real-time data acquisition with high sampling rate up to 12.5MSPS (sample per second), distributed lamb-wave data processing and energy saving by reducing the...
The fault diagnosis of mechanical system has become research focus recent years. General procedure of fault diagnosis includes monitoring working condition, collecting noise and fault signal, procuring typical fault sample characteristics, and making decision. However, it is hard to select suitable signal and acquire eigenvalue. Vibration intensity is a typical and effective eigenvalue in vibration...
Technology advantages of body sensor networks (BSN) have shown great deal of promises in medical applications. In this paper we introduced a wearable device for biofeedback application based on the BSN platform we had developed. The biofeedback device we have developed includes the heart rate monitoring belt with conductive fabric and the biofeedback device with respiration belt. A wearable respiratory...
Technology advantages of body sensor networks (BSN) have shown great deal of promises in medical applications. In this paper we introduced a wearable device for biofeedback application based on the BSN platform we had developed. The biofeedback device we have developed includes the heart rate monitoring belt with conductive fabric and the biofeedback device with respiration belt. A wearable respiratory...
Water resources of Hunan province are rich. With the rapid development of industries and cities, the water pollution of the Hunan province becomes more and more serious. Analysis the present water quality comprehensive evaluation methods at home and abroad, apply the fuzzy math principle to comprehensive evaluations of the water quality to the major rivers in Hunan Province, and compare with those...
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