VISUAL ATTENTION MODEL WITH ADAPTIVE WEIGHTING OF CONSPICUITY MAPS FOR BUILDING DETECTION IN SATELLITE IMAGES

A.-M. Cretu/ P. Payeur

The lack of automation and the limited performance of current image processing techniques pose critical challenges to the efficient and timely use of the large amount of data made available by aerial and space based assets. The imitation of fast adaptation and inference capability of human visual system appears to be a promising research direction for the development of computational algorithms able to deal with large variations in image content, characteristics and scale as those encountered in(..)

DOI: 10.21307/ijssis-2017-505

Published Online: 01-December-2012

A REVIEW ON APPLICATIONS OF OPTICAL TOMOGRAPHY IN INDUSTRIAL PROCESS

M. T. M. Khairi/ S. Ibrahim/ M. A. M. Yunus/ M. Faramarzi

This paper reviews some of the recent applications of optical tomography as a measurement tool for process parameters measurement such as flow concentration profiles, velocity profiles, and mass flow rate. The attentions that have been received by the optical tomography system for the applications of industrial parameters measurement are mainly because of the radiation safe emission of light sources to human or environment, fast response time, non-intrusive technique, and established models of l(..)

DOI: 10.21307/ijssis-2017-506

Published Online: 01-December-2012

LIGHTWEIGHT TRUSTED ID-BASED SIGNCRYPTION SCHEME FOR WIRELESS SENSOR NETWORKS

Zhimin Li/ Xin Xu/ Zexiang Fan

Wireless sensor networks (WSN) are usually deployed in hostile environments, which having a wide variety of malicious attacks. As various applications of WSN have been proposed, security has become one of the big research challenges dan is receiving increasing attention. In order to insure the security of communication in wireless sensor networks, we proposed a new ID-based signcryption scheme using bilinear pairing. Under the computational Diffie-Hellman assumption, the security of the scheme i(..)

DOI: 10.21307/ijssis-2017-507

Published Online: 01-December-2012

ANALYSIS OF LAND USE CHANGE CHARACTERISTICS BASED ON REMOTE SENSING AND GIS IN THE JIUXIANG RIVER WATERSHED

He-Bing Hu/ Hong-Yu Liu/ Jing-Feng Hao/ Jing An

Based on remote sensing and GIS technology, the remote sensing images from 2003 to 2009 were used to the basic data sources, to analyze the characteristics of land-use change in Jiuxiang River watershed. Results showed that watershed land use structure were changed greatly from 2003 to 2009; the proportion of arable land decreased from 34.86% to 19.52%, whereas other types of land use increased. The area of construction land increased most rapidly, from 17.80% to 25.80%.Spatial differentiations (..)

DOI: 10.21307/ijssis-2017-508

Published Online: 01-December-2012

A SMART CURRENT AND VOLTAGE ACQUISITION SYSTEM WITH HIGH ACCURACY FOR EV APPLICATIONS

Dai Haifeng/ Zhang Xiaolong

Energy management is one of the most important tasks of the electric vehicles (EV) and is totally different with the management in the traditional internal combustion vehicles (ICV). To implement a pleasing management, the system should know the working current and terminal voltage of the traction battery systems very accurately. This paper presents a design of a smart current and voltage acquisition system with high accuracy for EV applications. The detailed structure and components, the simula(..)

DOI: 10.21307/ijssis-2017-509

Published Online: 01-December-2012

A MODEL FOR FUZZY DATA CORREALATION OF AIS AND RADAR

Liu Chang/ Cao Ming-zhi/ Han Feng/ Shi Gui-ming/ Liu Ren-jie

With the development of Automatic Identification System (AIS), more and more vessels are equipped with AIS device, which is a new tool for vessel monitoring and marine safety. In this paper, we compared the function of AIS and radar, the traditional tool for Vessel Traffic Service (VTS). And then we discussed the necessity of data fusion of the same target from the two sensors of AIS and radar. According to the characteristic and the difference of tracking performance of AIS and radar we propose(..)

DOI: 10.21307/ijssis-2017-510

Published Online: 01-December-2012

STUDY ON THE CONGESTION CONTROLLER FOR TIMEDELAY NETWORKED CONTROL SYSTEMS WITH EXTERNAL DISTURBANCES

Hua Tong/ Peng Liu

A successive approximation approach (SAA) is developed to obtain a new congestion controller for the singularly perturbed time-delay networked control systems affected by external disturbances. Based on the slow-fast decomposition theory of singular perturbations, the system is first decomposed into a fast non-delay subsystem and a slow time-delay subsystem with disturbances. Then, the perturbation approach is proposed to solve the slow-time scale time-delay optimal control problem, and the feed(..)

DOI: 10.21307/ijssis-2017-511

Published Online: 01-December-2012

AN ENHANCED DYNAMIC TOKEN PROTOCOL FOR UNDERWATER ACOUSTIC SENSOR NETWORKS

Guangyu Fan/ Jian Li/ Wenhong Liu/ Yang Zhao

The properties of underwater acoustic channel are quite different from those of terrestrial wireless sensor networks. There are many challenges to design an efficient media access control (MAC) protocol for underwater acoustic sensor networks (UWASNs). In order to overcome the long propagation delay and low available bandwidth of UWASNs, an enhanced dynamic token protocol (EDTP), is proposed in the paper. It uses token passing queue (TPQ) and TPQ backup method to transfer the token packets dynam(..)

DOI: 10.21307/ijssis-2017-512

Published Online: 01-December-2012

HOME REAL-TIME REMOTE MONITORING SYSTEM BASED ON EMBEDDED LINUX

Huang Feijiang/ Li Zhaofeng/ Lu Xiaochun/ Liu Guangcan/ Sun Liping/ Wang Yingde/ Chen Weibing/ Xiao Xinle

Remote video monitoring is an important way of residential security. Due to some deficiencies of traditional home monitoring system such as high cost, large power consumption and difficult maintenance, this paper designs an economical and practical home real-time remote monitoring system. This system includes hardware design and software design. The hardware analyzes and compares the processor of different architectures to configure the model of microprocessors and the composition of peripheral (..)

DOI: 10.21307/ijssis-2017-513

Published Online: 01-December-2012

NEURAL NETWORK BASED MULTISENSOR FUSION IN A NOVEL PERMANENT MAGNET MULTI-DOF ACTUATOR ORIENTATION DETECTION SYSTEM

Zheng LI

DOI: 10.21307/ijssis-2017-514

Published Online: 01-December-2012

BALLAST FLYING MECHANISM AND SENSITIVITY FACTORS ANALYSIS

G.Q Jing/ Y.D Zhou/ Jian Lin/ J. Zhang

Ballast flying problems obsess the ballasted high speed railway, its microscopic mechanics is less of discovered. In the paper, the railway ballast particle force equilibrium is analyzed through basic mechanics and mathematic formula, and a model is set up to discover the factors and influence. The microscopic ballast flying model is used for ballast bed geometry and ballast shape optimization, and guide the ballast flying countering methods. Results show that ballast flying particle is correlat(..)

DOI: 10.21307/ijssis-2017-515

Published Online: 01-December-2012

PARTICLE FILTER ON NONLINEAR VIBRATION SIGNAL OF BRIDGE STAYED CABLE

Ye Qingwei/ Yuan Debin/ Zhou Yu/ Wang Xiaodong

For the nonlinear vibration signal of stayed cables, a new particle filter algorithm is used in this paper. Firstly, nonlinear dynamic model of the stayed-cable and beam coupling system is dispersed in temporal dimension by using the finite difference method. So the discrete nonlinear vibration equation of any cable element is gotten. And secondly, a state equation of particle filter is fitted by least square algorithm from the discrete nonlinear vibration equation. So the particle filter algori(..)

DOI: 10.21307/ijssis-2017-516

Published Online: 01-December-2012

ON-BOARD LANE DETECTION SYSTEM FOR INTELLIGENT VEHICLE BASED ON MONOCULAR VISION

Xiaodong Miao/ Shunming Li/ Huan Shen

The objective of this research is to develop a monocular vision system that can locate the positions of the road lane in real time. First, Canny approach is used to obtain edge map from the road image acquired from monocular camera mount on vehicle; Second, a matching process is conducted to normalize the candidates of road line; Third, a searching method is used for reinforce potential road lines while degraded those impossible ones; Forth, a linking condition is used to further enhance the con(..)

DOI: 10.21307/ijssis-2017-517

Published Online: 01-December-2012

DRIVING RESISTANCE FACTOR CALCULATING METHOD FOR PARALLEL-SERIAL HEV

Hailong Guo/ Lifu Li

HEV’s energy control strategy cannot be regulated perfectly according to the variable working condition, because the driving resistance is difficult to measure and calculate during the driving process. By taking parallel-serial HEV which power coupling mechanism is planet-gear as research object, analyzed planet-gear power coupling mechanism’s dynamics characteristic and efficiency characteristic, put forward driving resistance factor’s concept and measure-calculating methods. The factor can be (..)

DOI: 10.21307/ijssis-2017-518

Published Online: 01-December-2012

INDUSTRIAL ROBOT CALIBRATION USING A VIRTUAL LINEAR CONSTRAINT

Biqiang Du/ Ning Xi/ Erick Nieves

This paper proposes a systematic method to identify the joint zero offset of industrial robot. Small offset always exist in robot joint, which affect the precision in kinematic equations leading to calculate wrong joint angle values. To solve these problems, the proposed method employs a portable dual Position Sensitive Detector (PSD) device and a focusable laser point (FLP). The portable dual PSD device comprises two fixed PSDs tilted in an angle to reflect the laser line from one PSD to anothe(..)

DOI: 10.21307/ijssis-2017-519

Published Online: 01-December-2012

DECENTRALIZED PI-D CONTROLLER APPLIED TO AN AEROTHERMIC PROCESS

M. Ramzi/ N. Bennis/ M. Haloua/ H. Youlal

The aerothermic process is a pilot scale heating and ventilation system. It is equipped with a heater grid and a centrifugal blower, fully connected through the Humusoft MF624 data acquisition system for real time control. The interaction between its main variables is considered as challenging for mono-variable controllers. An abrupt change in the ventilator speed might cause an undesirable disturbance in the air temperature representing a factor that must be managed to conserve energy. To annul(..)

DOI: 10.21307/ijssis-2017-520

Published Online: 01-December-2012

DEVELOPMENT OF AN ADJUSTABLE GRIPPER FOR ROBOTIC PICKING AND PLACING OPERATION

A. Che Soh/ S.A. Ahmad/ A.J. Ishak/ K. N. Abdul Latif

Adjustable gripper for robotic system that is capable in identifying shape and size of an object is needed in many applications especially for picking and placing operation. This is due to some of the grippers’ design are limited only to one specific shape or size that make picking and placing operation difficult. To hold different size or shape, the user needs to replace gripper which are more time consuming and more expensive. To address this problem, an adjustable gripper for robotic system h(..)

DOI: 10.21307/ijssis-2017-521

Published Online: 01-December-2012

ROBOT-ASSISTED THERAPY: DESIGN, CONTROL AND OPTIMIZATION

Haifa Mehdi/ Olfa Boubaker

To improve the human arm function of disable patients after stroke, we propose in this paper a new design of a robot-assisted therapy. The robotic device must be attached to a human arm and mimics the motion of the shoulder, elbow and wrist joints. The functional training of the stroked upper limb is covered in motion and force via a safe compliant motion. The controller parameters are optimized by the therapist based on the human morphology parameters via an intelligent Control Interface where (..)

DOI: 10.21307/ijssis-2017-522

Published Online: 01-December-2012

DISTRIBUTED TRUST INFERENCE MODEL BASED ON PROBABILITY AND BALANCE THEORY FOR PEER-TO-PEER SYSTEMS

Zhenhua Tan/ Guangming Yang/ Wei Cheng

Researchers have done much around how to measure trust degrees or levels by local and global style in a given distributed network. However, how to infer trust degree for a strange node efficiently in a large-scale distributed environment was little done. This paper focuses on this problem, and proposes a novel trust model based on balance theory and probability theory. We firstly design a simple direct trust model for evidence computing, then construct trust relations network and trust inference(..)

DOI: 10.21307/ijssis-2017-523

Published Online: 01-December-2012

Probabilistic Joint State Estimation of Robot and Non-static Objects for Mobile Manipulation

Kun Qian/ Xudong Ma/ Xian Zhong Dai/ Fang Fang/ Bo Zhou

In this paper, a unified and probabilistic method is proposed for simultaneously localization of a mobile service robot and states estimation of surrounding objects and co-existing people. This method allows intelligent robots to navigate reliably in dynamic environments and provide home-care services based on joint localization results. The algorithm makes use of probabilistic model to represent non-static people and objects states. Moreover, Rao-Blackwellized particle filters (RBPFs) are utili(..)

DOI: 10.21307/ijssis-2017-524

Published Online: 01-December-2012