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International Conference on Fuzzy Systems and Knowledge Discovery (FSKD)

作者： ZhiBang Yang Xu Zhou Yifu Zeng Fei Zeng Yantao Zhou Science and Technology on Communication Information Security Control Laboratory Jiaxing Zhejiang China College of Information Science and Engineering Hunan University Changsha Hunan China College of Electrical and Information Engineering Hunan University Changsha Hunan China

ISBN: (纸本)9781509040940

The skyline query is a most useful tool to find out attractive products. However, it does little to help select the product combinations with the maximum discount rate. Motivated by this, we identify an interesting problem, a most preferential skyline product (MPSP) combination discovering problem, which is NP-hard, for the first time in the literature. This problem aims to report all skyline product combinations having the maximum discount rate. Since the exact algorithm for the MPSP is not scalable to large or high-dimensional datasets, we design an incremental greedy algorithm. The experiment results demonstrate the efficiency and effectiveness of the proposed algorithm.

关键词： Algorithm design and analysis Indexes Pipelines Heuristic algorithms Complexity theory Greedy algorithms Partitioning algorithms

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Coordination control of dual-arm robot based on modeled predictive control

Coordination control of dual-arm robot based on modeled pred...

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IEEE International Conference on Real-time Computing and Robotics (RCAR)

作者： Ming Jiang Ming-Qu Fan Ai-Min Li Xue-Wen Rong Hui Kong Rui Song College of Electronic Communication and Physics Shandong University of Science and Technology Qingdao China College of Electrical Engineering and Automation Shandong University of Science and Technology Jinan China Shandong University of Science and Technology Qingdao Shandong CN School of Control Science and Engineering Shandong University Jinan China

ISBN: (纸本)9781467389600

This paper presents a master-slave force hybrid coordinated motion control method which is based on the model predictive control (MPC) algorithm. In the paper, the kinematics model of the dual 6-DOF arms is build. Six axis force sensors are installed at the ends of the two arms, the master arm adopts the position control method and the based on the model predictive control algorithm DMC theory force/position hybrid control method is adopted in the slave arm. According to the kinematic model of the dual-arms, the end pose and joint angle rule conversion library is established, and the motion prediction model of the manipulator also is established. By using these models, the slave arm can acquire the position and direction of the master arm synchronously, and the current end position of the master arm is also used as the reference input value of the end position of the slave arm. The rotation operation sequence of the joint angle rule conversion library predicted model and end pose apply to the joint motor, drive the end of the robot arm to move to the target position. After doing these we could synchronously realize position tracking. In our experiment the current position tracking could be realized through the simulation analysis of six degree of freedom dual arm robot.

关键词： Handheld computers Decision support systems Conferences Real-time systems Robots

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Research on lactose concentration detection device based on the optical rotation method

Research on lactose concentration detection device based on ...

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2015 Fifth International Conference on Instrumentation and measurement,Computer,communication and control (IMCCC2015)(第五届仪器测量、计算机通信与控制国际会议)

作者： Zhen Zhou Li Liang Kangkang Guo Zehong Lv College of Measure-Control Technology and Communication Engineering Harbin University of Science and Technology Harbin China

ISBN: (纸本)9781467377249

At present,the process of detecting the sample of the lactose detection method is very complicated due to the strict operation condition,long operation time and expensive *** the nature of lactose that can rotate the plane of polarization of plane-polarized,a lactose concentration detecting device is *** device consists of an experiment platform,a photoelectric receiving and converting module,a data processing module,and a LCD ***,polarizer,detector tube,analyzer and photocell are placed on the experiment *** test results show that the performance of the detection device is stable and the error is less than 10% through multiple measure on different solutions at different *** advantage of the device is mainly manifested in its low cost,compact structure,light weight,small volume,fast response speed,and the convenient operation.

关键词： lactose Optical rotation concentration detection

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Research on the test system for electrical parameters of relay based on STM32

Research on the test system for electrical parameters of rel...

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2015 Fifth International Conference on Instrumentation and measurement,Computer,communication and control (IMCCC2015)(第五届仪器测量、计算机通信与控制国际会议)

作者： Zhen Zhou Zehong Lv Kangkang Guo Li Liang College of Measure-Control Technology and Communication Engineering Harbin University of Science and Technology Harbin China

ISBN: (纸本)9781467377249

The current test system for electrical parameters of relay, mainly with the 51 series MCU as the central processing unit, peripheral components are various, running speed is limited, and judging the failure of relay only rely on testing the contact resistance exceeds the standard or not, testing parameter is single. Foreign technology on research and development of test system for relay's electrical parameters is mature, but the cost is higher. Thus, in this paper, we study a kind of test system for relay's electrical parameters with STM32 MCU as the central processing unit, which can realize to test the relay's electrical parameters such as coil resistance, contact resistance, suction voltage, release voltage, suction time, release time, arc time and so on. This paper mainly discusses the design principle and hardware structure, finally obtained test data by the experiment, the data show that the test system has the advantages of fast running, stable performance, simple design, and has a certain market value.

关键词： STM32 relay electrical parameter test system

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Integrated navigation for pedestrian with building heading algorithm and inertial measurement unit

Integrated navigation for pedestrian with building heading a...

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International Conference on control, Automation and Information Sciences (ICCAIS)

作者： Yingbo Cai Qian Sun Ya Zhang Chunzhu Yu Hongmei Bai School of Electrical Engineering and Automation Harbin Institute of Technology Harbin China College of Information and Communication Engineering Harbin Engineering University Harbin China Beijing Aerospace Automatic Control Research Institute Beijing China College of Automation Harbin Engineering University Harbin China

ISBN: (纸本)9781509006519

To improve the positioning accuracy in indoor environments, we use the Inertial Navigation System (INS) algorithm to perform the pedestrian tracking, and the measurements consist of two parts: the velocity error and the heading error. The velocity error can be gotten from the navigation result. Meanwhile, we get the heading error in two ways. First, taking the magnetometer as the heading resource, the magnetic perturbations can be eliminated through a new ellipsoid fitting based calibration algorithm. Furthermore, the building heading algorithm(BHA) is also adopted to aid the Inertial measurement Unit (IMU), the corresponding building heading can be derived based on the motion path. Finally, the Kalman filter (KF) is utilized to fuse the data in order to compensate the sensor error and navigation solution through a 15-dimentional state vector. As a result, some field trials were taken to prove the validity of the proposed algorithm. By contrast the result of Magnetometer (MAG)/BHA/INS and the Zero Velocity update (ZUPT) algorithms, we proved that the algorithm of MAG/BHA aiding INS can effectively improve the indoor positioning accuracy which shows better performance.

关键词： Navigation Magnetometers Buildings Micromechanical devices Calibration Automation Conferences

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The adaptive EEMD denoising method based on normalized index optimizationfor near infrared spectra

International Journal of Signal Processing, Image Processing...

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International Journal of Signal Processing, Image Processing and Pattern Recognition 2016年第2期9卷 211-224页

作者： Liang, Tong Xiaoyu, Zhao Lijuan, Sha Hongbo, Shao Ming, Zhao Communication and Electronic engineering Institute Qiqihar University Qiqihar China College of Information Technology Heilongjiang Bayi Agriculture University Communication and Electronic engineering Institute Qiqihar University Qiqihar China Computer and Control engineering Institute Qiqihar University Qiqihar China Chemistry and Chemical Engineering Qiqihar University Qiqihar China

Firstly, modes overlapping occurs easily between Near Infrared spectral high frequency signal and noise, so the Ensemble Empirical Mode Decomposition(EEMD)method was used to remove the noise. According to the approximate completeness of Near Infrared spectrum, an EEMD denoising method based on normalized index optimization. This method views the global optimal point of normalized denoising index as stop condition, and completes itself adaptively with no parameters setting during the decomposion. It can be concluded by Near Infrared spectrum denoising data that this method improves the denoising accuracy and decreases the difficulty in operation in an easy and efficient way. © 2016 SERSC.

关键词： Empirical mode decomposition

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An improved multi-cell resource allocation scheme based on graph theory

An improved multi-cell resource allocation scheme based on g...

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2015 International Conference on Information and communications Technologies, ICT 2015

作者： Li, Y.B. Dong, G. Liu, D.D. College of Information and Communication Engineering Harbin Engineering University Harbin150001 China Heilongjiang University of Science and Technology College of Electrical and Control Engineering China

ISBN: (纸本)9781849199940

A low-complexity multi-cell orthogonal frequency-division multiple access (OFDMA) downlink channel-assignment method that uses a graphic framework is proposed in this paper. Our aim is to solve the problem of low signal-tointerference-plus-noise ratio (SINR) for the users in the edge cell. A frequency reuse factor of 1 is adopted in cell deployment to ensure maximum spectrum efficiency. Our solution consists of two phases: 1) Inter-cell interference (ICI) is mapped to the minimum graph colouring problem and is solved by greedy algorithm. 2) Channel assignment is accomplished by adopting cost scaling algorithm based on weighted bipartite matching method. Simulation results show that our proposed scheme provides better performance to celledge users than the MAX-SNR algorithm. We emphasize the fairness in resource allocation, maximizing the system throughput at the same time.

关键词： Frequency division multiple access

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Dynamics of quantum Fisher information in a two-level system coupled to multiple bosonic reservoirs

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Chinese Physics B 2015年第11期24卷 255-259页

作者：王国友郭有能曾可 College of Science Hunan University of Technology Key Laboratory of Low-dimensional Quantum Structures and Quantum Control of Ministry of Education and Department of PhysicsHunan Normal University Department of Electronic and Communication Engineering Changsha University

We consider the optimal parameter estimation for a two-level system coupled to multiple bosonic reservoirs. By using quantum Fisher information （QFI）, we investigate the effect of the Markovian reservoirs＇ number N on QFI in both weak and strong coupling regimes for a two-level system surrounded by N zero-temperature reservoirs of field modes initially in the vacua. The results show that the dynamics of QFI non-monotonically decays to zero with revival oscillations at some time in the weak coupling regime depending on the reservoirs＇ parameters. Furthermore, we also present the relations between the QFI flow, the flows of energy and information, and the sign of the decay rate to gain insight into the physical processes characterizing the dynamics.

关键词： quantum Fisher information parameter estimation decay rate

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The simulation of RS codes and QC-LDPC codes concatenated in COFDM system

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International Journal of Hybrid Information technology 2015年第7期8卷 345-356页

作者： Zhang, Zhongmin Liu, Xin Kong, Xiushan College of Information and Communication Engineering Harbin Engineering University HarbinHeilongjiang China College of Measure-control Technology and Communication Engineering Harbin University of Science and Technology HarbinHeilongjiang China

In OFDM system, error correction coding is essential to ensure the effective and reliable transmission in channels of various types of data. This paper mainly focus on cascading coding of RS codes, interweaving and QC-LDPC codes, using this encoding with OFDM system to construct new COFDM system. The paper also research about the structure of COFDM system and the performance of the concatenated code. Using Matlab to simulate the result from several aspects such as encoding, length of code, bit rate, decoding mode and different channels. The result has shown the promotion of the new concatenated coding in COFDM system compared with the traditional coding system. © 2015 SERSC.

关键词： Concatenated codes

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Coordinated beamforming user scheduling based on Differential Evolution

Coordinated beamforming user scheduling based on Differentia...

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2015 International Conference on Information and communications Technologies, ICT 2015

作者： Li, Y.B. Liu, H.T. Liang, Z. Liu, D.D. College of Information and Communication Engineering Harbin Engineering University Harbin150001 China Heilongjiang University of Science and Technology College of Electrical and Control Engineering Harbin150001 China

ISBN: (纸本)9781849199940

In Coordinated Beamforming system, user scheduling should take all users in coordinated cells into account, and optimal user set could be selected based on the traditional scheduling criterions. As the large amount of active users in coordinated cells, the exhaustive search is too complex to accomplish. As a result, user scheduling is done in each cell in real system. However, user scheduling in each cell could not make the most of multi-user gain. A modified proportional fairness algorithm based on Differential Evolution is studied here, which considers all the active users. The algorithm selects the optimal user set based on proportional fairness factor by Differential Evolution algorithm with its excellent optimizing performance. Simulation result shows that the algorithm could achieve favorable system performance in sum rate and user fairness.

关键词： Cells

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