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Conference Program of WCICA 2012

Conference Program of WCICA 2012

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<strong>WCICA</strong> <strong>2012</strong><br />

Book <strong>of</strong> Abstracts: Saturday Sessions<br />

◮ SaA04-4 14:30–14:50<br />

An evacuation algorithm for large buildings, pp.2497–2502<br />

Wang, Xingxuan<br />

Liu, Huan<br />

Fudan Univ.<br />

Fudan Univ.<br />

Evacuation in an emergency is always an important issue for large<br />

buildings. The purpose <strong>of</strong> evacuation is to evacuate people in the shortest<br />

possible time from a dangerous area to a safe place. In order to<br />

complete the evacuation mission effectively, an effective algorithm is<br />

needed. The proposed evacuation algorithm in this paper made a reasonable<br />

model for the building and then starting from a single evacuee,<br />

using recursive methods to get an optimal evacuation plan. This algorithm<br />

overcomes the limitation <strong>of</strong> fast flow control algorithm which can’<br />

t be applied in a multi-SN situation. Besides, because <strong>of</strong> the low complexity<br />

<strong>of</strong> the algorithm, it can be used in real-time environments.<br />

◮ SaA04-5 14:50–15:10<br />

A Gradient Information Based Real Time Pricing Mechanism for Microgrid<br />

in Energy Intensive Enterprise, pp.2473–2478<br />

Wang, Zhaojie<br />

Gao, Feng<br />

Zhai, Qiaozhu<br />

Wu, Jiang<br />

Guan, Xiaohong<br />

Zhang, Hao<br />

Liu, Kun<br />

Pan, Li<br />

Dong, Mingyu<br />

xi’an jiaotong Univ.<br />

Xi’an Jiaotong Uni<br />

Sys. engineering Inst.<br />

Xi’an Jiaotong Univ.<br />

Xi’an Jiao Tong Univ.<br />

xian jiaotong Univ.<br />

xian jiaotong Univ.<br />

Corporate Tech., Siemens Ltd<br />

Corporate Tech., Siemens Ltd<br />

In energy intensive enterprises (EIE) with self generation power plant,<br />

real time electricity cost is affected by dynamic change <strong>of</strong> its power<br />

consumption and generation. Centralized power demand control is<br />

usually hard to be used in EIE due to complex constraints <strong>of</strong> production<br />

process. A rational price signal which is able to lead end users to reduce<br />

power during peak hours or shift load from peak hours to <strong>of</strong>f-peak<br />

hours is valuable. A dynamic pricing mechanism in microgrid for EIE<br />

is researched in this paper, aiming at reducing total electricity cost <strong>of</strong><br />

EIE. By typical case study, some reference ideas about dynamic pricing<br />

problem for EIE microgrid are presented.<br />

◮ SaA04-6 15:10–15:30<br />

Online Strategy for Scheduling A Hydroelectric Station, pp.2479–2484<br />

Ru, Hai<br />

Gao, Feng<br />

Guan, Xiaohong<br />

Zheng, Fei Feng<br />

Xi’an Jiaotong Univ.<br />

Xi’an Jiaotong Uni<br />

Xi’an Jiao Tong Univ.<br />

Xi’an Jiaotong Univ.<br />

The scheduling problem <strong>of</strong> reservoir hydroelectric station during the<br />

flood season caused major concern in academia and industry many<br />

years. Due to the uncertainty <strong>of</strong> flood, the schedule strategy should<br />

guarantee the enough flood prevention capacity <strong>of</strong> hydroelectric, meanwhile,<br />

a certain water head should also be kept in order to guarantee<br />

the power generation efficiency. Therefore, it’s a challenging to design<br />

the strategy <strong>of</strong> optimal scheduling for hydroelectric in flood season.<br />

This paper in response to this objective, online algorithm will be<br />

applied here to analysis optimal strategy, which manages the reservoir<br />

scheduling in terms <strong>of</strong> online strategy and competitive analysis. Then<br />

the evidence from Ankang reservoir are collected to test the competitive<br />

ratio <strong>of</strong> online strategy. The result and model <strong>of</strong> the study in this<br />

paper have guiding significance and reference value to decision makers<br />

facing the similar situation.<br />

SaA05 13:30–15:30 Room 203E<br />

Control Engineering (I)<br />

Chair: Hua, Changchun<br />

Co-Chair: Wang, Fei<br />

yanshan Univ.<br />

Jilin Univ.<br />

◮ SaA05-1 13:30–13:50<br />

PD Control for Teleoperation System with Delayed and Quantized Communication<br />

Channel, pp.2318–2323<br />

Yang, Xian<br />

Hua, Changchun<br />

Inst. <strong>of</strong> Electrical Engineering, Yanshan Univ.<br />

yanshan Univ.<br />

Yan, Jing<br />

Guan, Xinping<br />

Yanshan Univ.<br />

Shanghai Jiao Tong Univ.<br />

This paper is concerned with the problem <strong>of</strong> teleoperation systems over<br />

networks. As is well known, quantization and time delay are unavoidable<br />

in computer network communications. Compared with previous<br />

work, we consider both <strong>of</strong> them when analyzing such systems. The<br />

controller used in this paper is proportional-derivative(PD) controller,<br />

but the output signals <strong>of</strong> master and slave systems are quantized before<br />

being communicated. New criteria are presented to show that the<br />

controller can stabilize the master-slave system under variable time delay<br />

and quantization. Finally, simulations are given to demonstrate the<br />

effectiveness <strong>of</strong> our results.<br />

◮ SaA05-2 13:50–14:10<br />

LQR Control for a Self-balancing Unicycle robot, pp.1424–1429<br />

Gong, Daoxiong<br />

Pan, Qi<br />

Zuo, Guoyu<br />

Deng, Wenbo<br />

Beijing Univ. <strong>of</strong> Tech.<br />

Beijing Univ. <strong>of</strong> Tech.<br />

beijing Univ. <strong>of</strong> Tech.<br />

Beijing Univ. <strong>of</strong> Tech.<br />

A self-balancing unicycle robot, which has a wheel for balancing and<br />

movement in the longitudinal plane (pitch angle) as well as a flywheel<br />

for balancing in the lateral plane (roll angle), is studied in this paper.<br />

The non-linear dynamic equations <strong>of</strong> the unicycle robot on a slope are<br />

analyzed using the Lagrangian dynamic formulation, then a linear model<br />

<strong>of</strong> the robot is derived at the equilibrium point, and 3 linear quadratic<br />

regulators (LQR) are designed to control the robot on slopes with the<br />

angle <strong>of</strong> inclination varying from -11°to 11°. Simulation results validated<br />

that the unicycle robot can achieve good performance both on<br />

level plane and on slope.<br />

◮ SaA05-3 14:10–14:30<br />

Modeling and Control for an In-plane Morphing Wing, pp.1430–1435<br />

Shi, Rongqi<br />

Song, Jianmei<br />

Beijing Inst. <strong>of</strong> Tech.<br />

Beijing Inst. <strong>of</strong> Tech.<br />

System modeling and controller design for an in-plane morphing wing,<br />

which is proposed by NextGen Aeronautics, Inc., are investigated in the<br />

present paper. The model <strong>of</strong> the morphing wing is developed based on<br />

Lagrange method. The elastic forces <strong>of</strong> the skin and the aerodynamic<br />

load acting on the leading edge are both taken into account. The generalized<br />

forces are obtained by virtual work principle. Since the morphing<br />

wing is a strongly coupled, over-actuated and nonlinear system with<br />

multi-input and multi-output, the control system design includes a control<br />

allocator, a dynamic inversion controller and two PID controllers.<br />

The control allocator is designed base on pseudo inverse method; the<br />

dynamic inversion controller is applied to make the original system decoupled<br />

into two independent linear systems by proper nonlinear feedback<br />

transformation; two classical PID controllers are adopted for the<br />

linearlized systems. The correctness <strong>of</strong> the model is verified by ADAMS<br />

simulation and the effectiveness <strong>of</strong> the control system is tested by Matlab.<br />

The results indicate that, integrating Lagrange equation, pseudo<br />

inverse control allocation, dynamic inversion control and classical PID<br />

method, is an effective way to solve problems <strong>of</strong> modeling and control<br />

for morphing wings.<br />

◮ SaA05-4 14:30–14:50<br />

Dynamics Modeling and Real-time Fault-tolerant Control <strong>of</strong> A Rotor<br />

Aerial Robot, pp.1144–1149<br />

Hou, Xuyang<br />

Ruan, Xiaogang<br />

Beijing Univ. <strong>of</strong> Tech.<br />

Beijing Univ. <strong>of</strong> Tech.<br />

The present micro aerial vehicle (MAV) is lack <strong>of</strong> maneuverability and<br />

security when operates in the restricted environment. To solve such<br />

problem, a rotor powered disk-type autonomous aircraft–Micro Aerial<br />

Robot(MAR) was designed, which adopts built-in blades and redundant<br />

actuators structure to enhance vehicle’s safety and robustness<br />

,and adopts the inner and outer two rotor systems and disk-type airframe<br />

structure, which help the MAR has better aerodynamic characters<br />

and maneuverability compared to the common MAV. The six degrees<br />

<strong>of</strong> freedom (6 DOF) dynamic model was built using the Newton<br />

151

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