Journal of Vibroengineering

Công bố khoa học tiêu biểu

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A rail-borne piezoelectric transducer for energy harvesting of railway vibration
Journal of Vibroengineering - Tập 18 Số 7 - Trang 4647-4663 - 2016
Mingyuan Gao, P. Wang, Yalei Cao, R. Chen, C. Liu
This paper investigates design, modelling, and test issues related to piezoelectric energy transducer. The model analyzes a rail-borne “seismic” energy harvester that is designed to generate electrical energy from local variations in rail acceleration. The energy harvester analyzed in this model consists of a piezoelectric PZT film clamped at one end to the rail with a tip mass mounted on ...... hiện toàn bộ
Research on intelligent fault diagnosis of mechanical equipment based on sparse deep neural networks
Journal of Vibroengineering - Tập 19 Số 4 - Trang 2439-2455 - 2017
Feiwei Qin, Bai Jing, Wenqiang Yuan
In the big data background, the accuracy of fault diagnosis and recognition has been difficult to be improved. The deep neural network was used to recognize the diagnosis rate of the bearing with four kinds of conditions and compared with traditional BP neural network, genetic neural network and particle swarm neural network. Results showed that the diagnosis accuracy and convergence rate ...... hiện toàn bộ
Controlling quarter car suspension system by proportional derivative and positive position feedback controllers with time delay
Journal of Vibroengineering - Tập 19 Số 7 - Trang 5374-5387 - 2017
H. M. Abdelhafez, Osama M. Omara
The active car suspension system is presented here to suppress the vibration of the car by applying proportional derivative (PD) and positive position feedback (PPF) controllers with time delay. The control signal output of the controller is applied electrically to the magneto-rheological (MR) damper or Electrical-rheological (ER) damper which is attached parallel to the passive components...... hiện toàn bộ
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