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Study on Soft-Sensing Model of Tower Crane Load Moment Based on Functional Link Neural Network

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2 Author(s)
Quanmin Guo ; Sch. of Electron. Inf. Eng., Xi''an Technol. Univ., Xi''an, China ; Yongfeng Jia

In soft-sensing of tower crane load moment, the nonlinear relation between the load moment and the horizontal displacement of moment limiter is indicated by analysis of working principle of elastic steel plate type load moment limiter. This paper proposes a soft-sensing model based on functional link neural network (FLNN) with the horizontal displacement of moment limiter as input and the load moment as output. By adding some high-order terms, the model applies the single-layer network to realize the network supervised learning. The method has advantages of nonlinear approach ability and independent on accurate mathematical model, it can improve network learning speed and simplify the network structure, and provides a new way for On-line measurement of tower crane load moment. The implementation process of Monitor System of Load Moment based on FLNN about tower crane QTZ5012 is presented, the experimental research show that the maximum relative error of simulation curves is reduced to 2.02% and can satisfy the National standard GB5144-94.

Published in:

Intelligent Computation Technology and Automation (ICICTA), 2010 International Conference on  (Volume:3 )

Date of Conference:

11-12 May 2010

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