Songwei Zeng

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This paper presents a hybrid control strategy, combining Radial Basis Function (RBF) network with conventional proportional, integral, and derivative (PID) controllers, for the greenhouse climate control. A model of nonlinear conservation laws of enthalpy and matter between numerous system variables affecting the greenhouse climate is formulated. RBF(More)
This contribution evaluates robustness of duplexing in VDSL transmission, which to a first-order is independent of transmission technque. The concept of robustness is defined and applied to frequency-selective (and possibly time varying) transmission effects like bridged-taps, mobile radio noise, and real (not frequency-averaged) crosstalk coupling. Optimum(More)
The traditional tuning scheme of proportional, integral, and derivative (PID) controller parameters usually lay more emphasis on control performances than economic profits. As a result, the corresponding control performance is improved, but such case may lead to high production costs. In this paper, a new tuning methodology for multiple PID controllers from(More)
Noble gases seem to have no significant effect on the anesthetic targets due to their simple, spherical shape. However, xenon has strong narcotic efficacy and can be used clinically, while other noble gases cannot. The mechanism remains unclear. Here, we performed molecular dynamics simulations on phospholipid bilayers with four kinds of noble gases to(More)
HaiGen Hu, LiHong Xu, Juan Chen, Songwei Zeng 1, School of Information Engineering, Zhejiang Agriculture & Forestry University, Lin'an City, 311300, Zhejiang Province, PR China 2, Dept. of Control Science and Engineering, Tongji University,Shanghai, 200092, PR China Dept. of Syndey Institute of Language and Commerce, Shanghai University, Shanghai, 201800 ,(More)
Recent experiments have reported that the fragment of viral protein R (Vpr), Vpr13-33, can assemble and change its conformation after adsorbed on graphene oxide (GO) and then reduce its cytotoxicity. This discovery is of great importance, since the mutation of Vpr13-33 can decrease the viral replication, viral load and delay the disease progression.(More)
In this paper, we present a novel technique integrating logic simulation and Boolean satisfiablity (SAT) for verifying the designs with black boxes, and generalize this technique to improve the accuracy of design error diagnosis. This technique uses intelligent set of vectors instead of randomly generated vectors for logic simulation during black box(More)
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