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Threats Identification in Healthcare Information systems using Genetic Algorithm and Coz Regression

Threats Identification in Healthcare Information Systems usi...

引用

The Fifth International Conference on Information Assurance and Security(第五届信息保障与安全国际会议)

作者： Rabiah Ahmad Ganthan Narayana Samy Nuzulha Khilwani Ibrahim Peter A.Bath Zuraini Ismail Centre for Advanced Software Engineering (CASE) Faculty of Computer Science and Information Systems Department of Computer Systems and Communications Faculty of Computer Science and Information System Department of Information Studies University of Sheffield UK Department of Science College of Science and Technology Universiti Teknologi Malaysia (UTM) Malaysia

ISBN: (纸本)9781424451012

Threats to information security for healthcare information system increased tremendously. There are various factors contribute to information security threats, many researchers focused only to certain factors which interest them (e.g., virus attack). Certain factors which may be important remain unexplored. In addition, lack of tools and technologies directed to limited number of threats traced in healthcare system. Thus it introduces bias in threat analysis. This study explored the use of biological computational termed Genetic Algorithm (GAs) combined with Cox regression (CoRGA) in identifying a potential threat for healthcare system. The results show that variable described “misused of e-mail” is the major information security threats for healthcare system. Results were compared with manual analysis using the same data, and it is shows that GAs not just introducing new threats for healthcare system but it was similar with others threats proposed by previous researches.

关键词： Healthcare Information systems (HIS) Risk Analysis Threats Information Security Genetic Algorithm and Coz Regression

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Impedance model force control using neural networks for a desktop NC machine tool

Impedance model force control using neural networks for a de...

引用

IEEE International Symposium on Industrial Electronics (ISIE)

作者： Fusaomi Nagata Takanori Mizobuchi Shintaro Tani Keigo Watanabe Tetsuo Hase Zenku Haga Maki K. Habib Department of Electronics and Computer Science Tokyo University of Science Sanyo-Onoda Yamaguchi Japan Research and Development Center Meiho Company Limited Nogata Japan Department of Advanced Systems Control Engineering Graduate School of Science and Engineering Saga University Saga Japan Mechanical Engineering Department School of Sciences and Engineering American University Cairo Cairo Egypt

In manufacturing industries of metallics molds, various NC machine tools are used. We have already proposed a desktop NC machine tool with compliance control capability to automatically cope with the finishing process of LED lens molds. The NC machine tool has an ability to control the polishing force acting between an abrasive tool and workpiece. The force control method is called impedance model force control. The most important gain is the desired damping of the impedance model. Ideally, the desired damping is calculated from the critical damping condition in consideration of the effective stiffness in force control system. However, one of the serious problems is that the effective stiffness of the NC machine tool has undesirable nonlinearity. The nonlinearity gives bad influences to the force control stability. In this paper, a fine tuning method of the desired damping is considered by using neural networks. The neural networks acquire the nonlinearity of effective stiffness. It has been observed that the desired damping generated from the learned neural networks allows the NC machine tool to achieve a stable finishing result.

关键词： Impedance Force control Neural networks Computer numerical control Damping Automatic control Finishing Manufacturing industries Light emitting diodes Lenses

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A study of the effect of the femoral head diameter on prosthetic hip joint dislocation using a hip-joint motion simulator

A study of the effect of the femoral head diameter on prosth...

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Annual International Conference of the IEEE engineering in Medicine and Biology Society (EMBC)

作者： Kazuo Kiguchi Toru Horie Akira Yamashita Masaru Ueno Tsuneyuki Kobayashi Masaaki Mawatari Takao Hotokebuchi Department of Advanced Systems Control Engineering Saga University Saga Japan Research Department Japan Medical Materials Corporation Yodogawa Osaka Japan Faculty of Medicine Saga University Saga Japan

Prosthetic hip joint dislocation phenomenon is generated by the hip joint simulator and the effect of the femoral head diameter is studied under the same condition which is similar to the condition in daily activities. Impedance control is applied to control the hip joint motion and the joint contact force simultaneously in order to take into account the constraint caused by surrounding tendons, muscles, and a joint capsule of the hip joint. The experimental results show that the hip joint dislocation phenomenon is generated by the simulator and the obtained results about the effect of the femoral head size agree with those of the other research.

关键词： Prosthetics Hip Force control Motion control control engineering Impedance Tendons Muscles Head Performance evaluation

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Effect of variable base on perceiving gender kansei of 3D-shape

Effect of variable base on perceiving gender kansei of 3D-sh...

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2009 International Conference on Biometrics and Kansei engineering, ICBAKE 2009

作者： Rajapakse, R.P.C. Janaka Jayasinghe, Harinda Tokuyama, Yoshimasa Miyata, Kazunori Marasinghe, Ashu Center for Hyper Media Research Faculty of Engineering Tokyo Polytechnic University 1583 Iiyama Atsugi Kanagawa 243-0297 Japan Japan Advanced Institute of Science and Technology School of Knowledge Science 1-1 Asahidai Nomi Ishikawa 923-1292 Japan Department of Management and Information Systems Nagaoka University of Technology 1603-1 Kamitomioka Nagaoka Niigata 940-2188 Japan

ISBN: (纸本)9780769536927

the appearance of a product has led to a trend for a consumer to purchase a product. Some products have shapes or parts that don't fulfill the consumer's desires and needs. This mean that often, choice of a consumer is inspired by the shape of a product. Therefore, It might be interesting to study on perception of shape in terms of semantic associations. the aim of this study is to investigate people's perception on gender of 3D-shape in terms of semantic association such as "feminine" or "masculine". in this paper we observed the effect of variable base on perceiving gender kansei of 3D-shapes. To assess base-variance of 3D-shape, we examined whether convexity and concavity of base in the context of sharp and curved forms. Results of our psychophysical experiment will be very important and helpful in the kansei-driven design. © 2009 IEEE.

关键词： Semantics

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Automatic interpretation of hyperventilation-induced electroencephalogram fitting to visual inspection

Automatic interpretation of hyperventilation-induced electro...

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ICROS-SICE International Joint Conference 2009, ICCAS-SICE 2009

作者： Zhang, Xiu Wang, Xingyu Sugi, Takenao Ikeda, Akio Nagamine, Takashi Shibasaki, Hiroshi Nakamura, Masatoshi Department of Automation East China University of Science and Technology Shanghai China Department of Electrical and Electronic Engineering Saga University Saga Japan Department of Neurology Graduate School of Medicine Kyoto University Kyoto Japan Department of System Neuroscience Sapporo Medical University Hokkai-do Japan Takeda General Hospital Kyoto Japan Research Institute of Systems Control Institute for Advanced Research and Education Saga University Saga Japan

ISBN: (纸本)9784907764333

Quantitative analysis and detection of abnormalities for electroencephalogram (EEG) recordings during evoked activities are essential for clinical diagnosis on neurological disorders. However, the process of interpreting EEG is time consuming and requires experienced electroencephalographers (EEGers). In this study, a method of automatic EEG interpretation during hyperventilation was proposed. The purpose is to provide a quantitative interpretation of EEG which is able to conform to EEGers' visual inspection. The final integrated results of automatic interpretation were compared with EEGers' evaluation, and showed high consistence. © 2009 SICE.

关键词： Electroencephalography

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Feature extraction of light sleep state in polysomnogram by use of conditional probability

Feature extraction of light sleep state in polysomnogram by ...

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SICE Annual Conference

作者： Hiroaki Yoshiyama Takenao Sugi Rei Wang Shuichiro Shirakawa Masatoshi Nakamura Department of Electrical and Electronic Engineering Saga University Saga Japan Department of Automation East China University of Science and Technology Shanghai China Department of Advanced Systems Control Engineering Saga University Saga Japan National Center of Neurology and Psychiatry Tokyo Japan

Human sleep stages wring whole night are usually classified into six stages based on polysommnographic (PSG) record. Sleep state of human light sleep changes gradually and continuously. In this study, automatic judgment of light sleep state in PSG record was developed. Parameters for characterizing the PSG were calculated from the periodogram and the discriminant function was constructed by using conditional probability. Estimated value of wake full level was gradually decreased according to the stage charged from W to S1. In contrast, changing the sleep state from S1 to S2 increased estimated value of sleep level accordingly.

关键词： Feature extraction Sleep

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Optimization of maintenance for power system equipment using a predictive health model

Optimization of maintenance for power system equipment using...

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Power Tech Conference

作者： G. Bajracharya T. Koltunowicz R. R. Negenborn Z. Papp D. Djairam B. De Schutter J. J. Smit Faculty of Electrical Engineering Mathematics and Computer Science Department High-voltage Components and Power Systems Delft University of Technnology Delft Netherlands Delft Center of Systems and Control Delft University of Technnology Delft Netherlands TNO Science and Industry Delft Netherlands Faculty of Electrical Engineering Mathematics and Computer Science Department High-voltage Components and Power Systems Transport Technology Department Delft University of Technnology Delft Netherlands

In this paper, a model-predictive control based framework is proposed for modeling and optimization of the health state of power system equipment. In the framework, a predictive health model is proposed that predicts the health state of the equipment based on its usage and maintenance actions. Based on the health state, the failure rate of the equipment can be estimated. We propose to use this predictive health model to predict the effects of different maintenance actions. The effects of maintenance actions over a future time window are evaluated by a cost function. The maintenance actions are optimized using this cost function. The proposed framework is applied in the optimization of the loading of transformers based on the thermal degradation of the paper insulation.

关键词： Power system modeling Predictive models Aging Cost function Marine technology Power transformer insulation Predictive maintenance Power system management Investments Power system reliability

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Simple adaptive dynamical control of vehicles driven by omnidirectional wheels

Simple adaptive dynamical control of vehicles driven by omni...

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IEEE 7th International Conference on Computational Cybernetics, ICCC 2009

作者： Tar, J.K. Rudas, I.J. Nagy, I. Kozlowski, K.R. Tenreiro Machado, J.A. Telematics and Communications Informatics Knowledge Centre Budapest Tech. H-1034 Budapest Hungary John Von Neumann Faculty of Informatics Budapest Tech. H-1034 Budapest Hungary Bánki Dońat Faculty of Mechanical and Safety Engineering Budapest Tech. Bécsiút 96/B H-1034 Budapest Hungary Control and Systems Engineering Computing Science and Management Poznań University of Technology Piotrowo 3a 60-965 Poznań Poland Department of Electrotechnical Engineering Institute of Engineering of Porto Rua Dr. Antonio Bernardino de Almeida 4200-072 Porto Portugal

ISBN: (纸本)9781424453115

Precise control of Automatic Guided Vehicles (AGVs) navigating between the aisles of manufacturing systems by the use of local markers is an important task. On the basis of the geometric model of the workspace and the vehicles and that of the sensor uncertainties precise trajectories were recently generated along which the vehicle safely can move. In order to achieve precise trajectory tracking the effects of the system's dynamical uncertainties (modeling errors and possible external perturbations) have to be compensated. In the present paper a simple, Fixed point transformations based adaptive control is proposed for this purpose. The proposed method is tested via simulation for a vehicle of triangular shape, driven by three omnidirectional wheels. The method is also able to monitor and evade the conditions that may lead to turning over the vehicle. ©2009IEEE.

关键词： Uncertainty analysis

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Orthogonal-type robot with a CAD/CAM-based position/force controller

Orthogonal-type robot with a CAD/CAM-based position/force co...

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IEEE Symposium on Computational Intelligence in control and Automation, CICA

作者： Fusaomi Nagata Shintaro Tani Takanori Mizobuchi Tetsuo Hase Zenku Haga Masaaki Omoto Keigo Watanabe Department of Electronics and Computer Science Tokyo University of Science Yamaguchi Japan Research and Development Center Meiho Company Limited Nogata Japan R&D Center Meiho Co. Ltd. Nogata Department of Advanced Systems Control Engineering Graduate School of Science and Engineering Saga University Saga Japan

In this paper, a new desktop orthogonal-type robot with a CAD/CAM-based position/force controller is presented for finishing small metallic molds with curved surface. The robot consists of a three-axis robot whose single one has a high position accuracy of 1 mum, which means that it can perform higher resolutions of position and force, compared to general industrial robots. A thin wood stick tool with a ball-end tip is attached to the z-axis through a force sensor. The control system of the robot is comprised of a force feedback loop, position feedback loop and position feedforward loop. The force feedback loop controls the polishing force consisting of tool contact force and kinetic friction forces. The position feedback loop controls the position in pick feed direction. Further, the position feedforward loop leads the tool tip along a spiral path. We first evaluate the backlash that causes inaccuracy in position at the tip of the abrasive tool, by simply measuring the position and force. Next, a surface following control experiment along a lens mold is conducted, in which the mold has axis-symmetric concave areas. Finally, a LED lens mold is further finished by using the proposed system in order to demonstrate the performance and promise.

关键词： Force control Service robots Force sensors Force feedback Robot sensing systems Feedback loop Force measurement Lenses Surface finishing Electrical equipment industry

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Managing Malware in Higher Learning Institutions

Managing Malware in Higher Learning Institutions

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International Conference on Computer and Electrical engineering, ICCEE

作者： Zuraini Ismail Christine Simfukwe Department of Science College of Science & Technology International Campus Universiti Teknologi Malaysia Kuala Lumpur Malaysia Centre of Advanced Software Engineering Faculty of Computer Science and Information Systems International Campus Universiti Teknologi Malaysia Kuala Lumpur Malaysia

"Malware" is an umbrella term that describes a variety of Internet-borne threats, including viruses, spyware,Trojan horses, spam, bots and more. This sophisticated and evolving security threat puts all businesses at risk, no matter how big or small. Malware creates unique challenges to higher learning institutions (HLI) in protecting their information assets. This is largely due to the fact that HLI information technology (IT) departments must balance between enabling a highly collaborative, non-restrictive environment and ensuring the confidentiality, integrity, and availability of data and computing resources. HLIs can proactively defend the network to reduce the risks associated with this threat by assessing the vulnerabilities and threats present in their networks and implementing appropriate multilayer security. A multilayer approach involves applying countermeasures at every layer of the computer network, from the perimeter routers and firewalls to users' personal computers in order to increase network security. The goal of this study is to propose a framework for network security protection against malware to increase the level of protection using non technical countermeasures.

关键词： Protection Nonhomogeneous media Internet Computer viruses Horses Information security Information technology Collaboration Availability Data security

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