Jieqiong Lin

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The joint flexibility is an important issue in the conceptual design of car bodies. In the paper, semi-rigid connection is used to represent the compliant behavior of multi-branch flexible joints. The simplified joint model is established based on rigid beams and semi-rigid connection. And we adopt compliance method to solve the parameters of the model.(More)
Accurately modeling the dynamic behaviors of fast tool servo (FTS) is one of the key issues in the ultraprecision positioning of the cutting tool. Herein, a quasiphysics intelligent model (QPIM) integrating a linear physics model (LPM) and a radial basis function (RBF) based neural model (NM) is developed to accurately describe the dynamic behaviors of a(More)
This article focuses on the nonlinear Wiener system identification of three-dimensional elliptical vibration cutting. The developed three-dimensional elliptical vibration cutting device is actuated by four piezoelectric stacks, which have hysteresis nonlinear characteristics. Our research proposes an improved memetic algorithm in order to identify the(More)
Since one single node in a wireless sensor network (WSN) is quite power-limited, many of existing researches focus on abating the redundancy of transmission to achieve the goal of energy saving. However, they are mostly highly dependent on physical networks and routing, which will result in the excessive rawness of data, the great imbalance of energy(More)
Preliminary communication There are currently no appropriate methods to find CNC system software defects and eliminate hidden dangers. In order to improve CNC system reliability, the architecture expansion-based fault location method in CNC system software was proposed in this paper. The failure of CNC system software was 619 analysed, the expansion method(More)
A novel three-dimensional (3D) elliptical vibration turning device which is on the basis of the leaf-spring-flexure-hinges-based (LSFH-based) double parallel four-bar linkages (DPFLMs) has been proposed. In order to evaluate the performance of the developed 3D elliptical vibration cutting generator (EVCG), the off-line tests were carried out to investigate(More)
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