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408 results on '"Wang, Dongyun"'

158. Accelerated simulated annealing algorithm for IMC scheduling

Author

Wang Dongyun and Ling Delin

Subjects
Artificial neural network, Computer science, Computation, Production control, Simulated annealing, Adaptive simulated annealing, Simulation, Scheduling (computing)
Abstract

An accelerated simulated annealing is discussed to solve the neural network energy function of IMC schedule. Simulation results are given. It is shown that the method described is more cost effective than conventional optimal computation.

Published
2002

159. Research on the Vertical Magnetic Drift in Fiber Optical Gyroscope

Author

王冬云 Wang Dongyun, 黄腾超 Huang Teng-chao, 张登伟 Zhang Deng-wei, 刘承 Liu Cheng, 舒晓武 Shu xiao-wu, 董丹丹 Dong Dandan, 张彩妮 Zhang Cai-ni, and 陈侃 Chen Kan

Subjects
Physics, Optics, law, business.industry, Ring laser gyroscope, Gyroscope, Fibre optic gyroscope, Electrical and Electronic Engineering, business, Atomic and Molecular Physics, and Optics, Fiber optical gyroscope, Electronic, Optical and Magnetic Materials, law.invention
Published
2014

178. N-H···X(X = F, Cl, Br, and I) hydrogen bonding in aromatic amide derivatives in crystal structures

Author

Wang JiLiang, Li Zhanting, Zhang Danwei, and Wang DongYun

Subjects
Halogen bond, Stereochemistry, Chemistry, Hydrogen bond, General Chemical Engineering, Intermolecular force, General Chemistry, Crystal structure, Biochemistry, Electronegativity, chemistry.chemical_compound, Crystallography, Intramolecular force, Amide, Halogen, Materials Chemistry
Abstract

Intramolecular N-H···X(X = F, Cl, Br, and I) hydrogen bonding patterns of aromatic amides in the solid state are summarized. It is revealed that the key for the formation of this kind of weak intramolecular hydrogen bonding in X-ray crystal structures is to suppress the competition of strong intermolecular N-H```O=C hydrogen bonding of the amide unit. For amides with identical backbones, the bonding capacity of halogen atoms as hydrogen bonding acceptors is in the order of F>Cl>Br>I, which is in accordance with their electronegativity strength. Generally, the five-membered hydrogen bonding is easier to form than the six-membered one.

Published
2012

199. Development and design of CO2 concentration measurement device based on MSP430.

Author

Dan, Yongping, Jiang, Qun, Wang, Dongyun, Wen, Shengjun, and Liu, Huiqin

Abstract

In this paper, a device is developed and designed to measure CO2 concentration in fuel cell system for evaluating the generating power efficiency and the environmental quality. Also, it can be used to measure the temperature and humidity of the generating system at the same time. For the device, MSP430 based design scheme is presented to measure the signals from CO2 sensor, temperature sensor and humidity sensor, and send the processed data to show using LED. Moreover, power supply circuit, sound and light alarm circuit and two relay output circuits are included in the device. When the CO2 concentration exceeds a setting value, the sound and light alarm will be started to execute the alarms. Finally, the effectiveness of the developed and designed device is shown by using experimental results. [ABSTRACT FROM PUBLISHER]

Published
2012

200. Model output following control for an aluminum plate cooling process with a Peltier device.

Author

Wen, Shengjun, Zhang, Guotao, Dan, Yongping, Wang, Dongyun, and Deng, Mingcong

Abstract

In this paper, model output following control based on command generator tracker is considered to realize the control for an aluminum plate cooling process with a Peltier device. The aluminum plate cooling process with a Peltier device is divided into two parts, that is, one part has the Peltier device and another part has not. The models of the two parts are established respectively, where the heat conduction between the two parts is considered as an inertia delay element in this paper. In order to achieve the satisfactory tracking performance for the process with the delay, the method of model output following control based on command generator tracker is presented in this paper. It is not necessary that the order of the reference model is the same as the actual system. However, instead of the order requirement, the plant must be almost strictly positive real, where the robust parallel compensator is designed to transform the augmented plant into almost strictly positive real. The effectiveness of the proposed methods is demonstrated by the simulation. [ABSTRACT FROM PUBLISHER]

Published
2012

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