2008 7th IEEE International Conference on Cybernetic Intelligent Systems最新文献

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Modeling and reasoning intentional changes and their effects in social-technical systems with a goal-oriented approach 用目标导向的方法对社会技术系统中的有意变化及其影响进行建模和推理
2008 7th IEEE International Conference on Cybernetic Intelligent Systems Pub Date : 2008-09-01 DOI: 10.1109/UKRICIS.2008.4798977
Yong Du
{"title":"Modeling and reasoning intentional changes and their effects in social-technical systems with a goal-oriented approach","authors":"Yong Du","doi":"10.1109/UKRICIS.2008.4798977","DOIUrl":"https://doi.org/10.1109/UKRICIS.2008.4798977","url":null,"abstract":"Changes happen either internally of a system or externally in the system environment, in many circumstances triggered by changes of human intentions. Modeling and reasoning human intentional changes is important because misunderstanding of these changes may lead to incorrect adaptations and system failures. It is also a difficult task since human intentions are hard to represent universally and to quantify by numbers or equations. This paper addresses this challenge based on discussions of the basic requirements for modeling and reasoning changes in social-technical systems. A change hierarchy is given to guide the discussion. A goal-oriented approach to modeling and reasoning intentional changes in social-technical systems is proposed by integrating desirable features from two methods. This approach is obtained by investigating the advantages and limitations of system dynamics modeling and the i* framework.","PeriodicalId":311925,"journal":{"name":"2008 7th IEEE International Conference on Cybernetic Intelligent Systems","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129669477","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 1
A hybrid case-based rule-based system used in a content-based image retrieval system 一种用于基于内容的图像检索系统的基于案例的基于规则的混合系统
2008 7th IEEE International Conference on Cybernetic Intelligent Systems Pub Date : 2008-09-01 DOI: 10.1109/UKRICIS.2008.4798971
I. Bradford, C. Evans, R. Winter
{"title":"A hybrid case-based rule-based system used in a content-based image retrieval system","authors":"I. Bradford, C. Evans, R. Winter","doi":"10.1109/UKRICIS.2008.4798971","DOIUrl":"https://doi.org/10.1109/UKRICIS.2008.4798971","url":null,"abstract":"Images are an important resource in the diagnosis of skeletal dysplasias. A proof-of-concept system, X-Ray Specs, has been developed for evaluating and experimenting with content-based image retrieval on radiographs of skeletal dysplasias. Its domain-dependent sub-system uses a hybrid case-base/rule-base as an important part of its image classification and retrieval process. This proved more accurate than other classification/retrieval systems tested in X-Ray Specs. The case-base/rule-base sub-system is flexible and could function in any domain where suitable parameters can be extracted.","PeriodicalId":311925,"journal":{"name":"2008 7th IEEE International Conference on Cybernetic Intelligent Systems","volume":"34 1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128336476","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Implementation of finite state automata using fLIF neurons 利用fLIF神经元实现有限状态自动机
2008 7th IEEE International Conference on Cybernetic Intelligent Systems Pub Date : 2008-09-01 DOI: 10.1109/UKRICIS.2008.4798918
Yulei Fan, C. Huyck
{"title":"Implementation of finite state automata using fLIF neurons","authors":"Yulei Fan, C. Huyck","doi":"10.1109/UKRICIS.2008.4798918","DOIUrl":"https://doi.org/10.1109/UKRICIS.2008.4798918","url":null,"abstract":"This paper presents a novel approach to implementation of finite state automaton (FSA) using fatiguing Leaky Integrate and Fire (fLIF) neurons. This approach uses fLIF neurons because they are a model of biological neurons that closely approximates the basic functions of neurons. FSAs are an important mechanism for processing information. In this paper, the creation and implementation of two FSA models is described; the results show that all input sentences are correctly marked as acceptable or unacceptable.","PeriodicalId":311925,"journal":{"name":"2008 7th IEEE International Conference on Cybernetic Intelligent Systems","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125800107","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
Neural network based adaptive nonlinear model inversion control of a twin rotor system in real time 基于神经网络的双转子系统自适应非线性模型实时反演控制
2008 7th IEEE International Conference on Cybernetic Intelligent Systems Pub Date : 2008-09-01 DOI: 10.1109/UKRICIS.2008.4798952
A. Rahideh, M. Shaheed, A. Bajodah
{"title":"Neural network based adaptive nonlinear model inversion control of a twin rotor system in real time","authors":"A. Rahideh, M. Shaheed, A. Bajodah","doi":"10.1109/UKRICIS.2008.4798952","DOIUrl":"https://doi.org/10.1109/UKRICIS.2008.4798952","url":null,"abstract":"A real time adaptive nonlinear model inversion controller is implemented on a twin rotor multi-input-multi-output system (TRMS) using artificial neural networks. The TRMS is an experimental aerodynamic test bed representing the control challenges of unmanned aerial vehicles. In this study a nonlinear dynamic model of the system is considered and a nonlinear inverse model is used for the pitch channel of the system. The feedback control system and an adaptive neural network element are integrated to compensate the possible model inversion errors. The proposed online learning algorithm updates the weights and biases of the neural network using the error between the setpoint and the real output. Square and sinusoidal reference command signals are used to test the performance of the controller. It is noted that a reasonable tracking response is exhibited in the presence of inversion errors caused by model uncertainty. This paper is the experimental study of the previous work by the same authors in which the proposed method has only been verified by simulation results.","PeriodicalId":311925,"journal":{"name":"2008 7th IEEE International Conference on Cybernetic Intelligent Systems","volume":"195 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114360578","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Cooperative co-evolution for school timetabling problem 学校排课问题的合作协同进化
2008 7th IEEE International Conference on Cybernetic Intelligent Systems Pub Date : 2008-09-01 DOI: 10.1109/UKRICIS.2008.4798942
M. S. Mohammadi, Caro Lucas
{"title":"Cooperative co-evolution for school timetabling problem","authors":"M. S. Mohammadi, Caro Lucas","doi":"10.1109/UKRICIS.2008.4798942","DOIUrl":"https://doi.org/10.1109/UKRICIS.2008.4798942","url":null,"abstract":"We address the automatic school timetabling problem and propose a solution based on co-evolution. A school timetable is a weekly schedule for all the teachers of the school and allocates class periods to teachers according to some constraints. Genetic algorithm has been previously used as a powerful tool for timetabling problems but the intrinsic complexity of these problems and the usually huge number of variables makes it slow and complex. The basic idea of this paper is splitting this complexity into several simple algorithms and cooperatively evolving them. We regard teachers' timetable as various species in the population and aim to evolve them in a way that provide the best fit to the constraints. Our numerical results show that the proposed method is able to solve the school timetabling problem in much less time and with superior performance in comparison with the existing algorithms.","PeriodicalId":311925,"journal":{"name":"2008 7th IEEE International Conference on Cybernetic Intelligent Systems","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127982910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
MLP and Elman recurrent neural network modelling for the TRMS TRMS的MLP和Elman递归神经网络建模
2008 7th IEEE International Conference on Cybernetic Intelligent Systems Pub Date : 2008-09-01 DOI: 10.1109/UKRICIS.2008.4798969
S. Toha, M. O. Tokhi
{"title":"MLP and Elman recurrent neural network modelling for the TRMS","authors":"S. Toha, M. O. Tokhi","doi":"10.1109/UKRICIS.2008.4798969","DOIUrl":"https://doi.org/10.1109/UKRICIS.2008.4798969","url":null,"abstract":"This paper presents a scrutinized investigation on system identification using artificial neural network (ANNs). The main goal for this work is to emphasis the potential benefits of this architecture for real system identification. Among the most prevalent networks are multi-layered perceptron NNs using Levenberg-Marquardt (LM) training algorithm and Elman recurrent NNs. These methods are used for the identification of a twin rotor multi-input multi-output system (TRMS). The TRMS can be perceived as a static test rig for an air vehicle with formidable control challenges. Therefore, an analysis in modeling of nonlinear aerodynamic function is needed and carried out in both time and frequency domains based on observed input and output data. Experimental results are obtained using a laboratory set-up system, confirming the viability and effectiveness of the proposed methodology.","PeriodicalId":311925,"journal":{"name":"2008 7th IEEE International Conference on Cybernetic Intelligent Systems","volume":"138 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127477021","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 33
Optimizing twins decision tree classification, using genetic algorithms 优化双胞胎决策树分类,使用遗传算法
2008 7th IEEE International Conference on Cybernetic Intelligent Systems Pub Date : 2008-09-01 DOI: 10.1109/UKRICIS.2008.4798957
F. Seifi, M. Kangavari, H. Ahmadi, E. Lotfi, S. Imaniyan, S. Lagzian
{"title":"Optimizing twins decision tree classification, using genetic algorithms","authors":"F. Seifi, M. Kangavari, H. Ahmadi, E. Lotfi, S. Imaniyan, S. Lagzian","doi":"10.1109/UKRICIS.2008.4798957","DOIUrl":"https://doi.org/10.1109/UKRICIS.2008.4798957","url":null,"abstract":"Decision tree classification is one of the most practical and effective methods which is used in inductive learning. Many different approaches, which are usually used for decision making and prediction, have been invented to construct decision tree classifiers. These approaches try to optimize parameters such as accuracy, speed of classification, size of constructed trees, learning speed, and the amount of used memory. There is a trade off between these parameters. That is to say that optimization of one may cause obstruction in the other, hence all existing approaches try to establish equilibrium. In this study, considering the effect of the whole data set on class assigning of any data, we propose a new approach to construct not perfectly accurate, but less complex trees in a short time, using small amount of memory. To achieve this purpose, a multi-step process has been used. We trace the training data set twice in any step, from the beginning to the end and vice versa, to extract the class pattern for attribute selection. Using the selected attribute, we make new branches in the tree. After making branches, the selected attribute and some records of training data set are deleted at the end of any step. This process continues alternatively in several steps for remaining data and attributes until the tree is completely constructed. In order to have an optimized tree the parameters which we use in this algorithm are optimized using genetic algorithms. In order to compare this new approach with previous ones we used some known data sets which have been used in different researches. This approach has been compared with others based on the classification accuracy and also the decision tree size. Experimental results show that it is efficient to use this approach particularly in cases of massive data sets, memory restrictions or short learning time.","PeriodicalId":311925,"journal":{"name":"2008 7th IEEE International Conference on Cybernetic Intelligent Systems","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129737055","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Sensor fusion in Robot localization using DS-Evidence Theory with conflict detection using Mahalanobis distance 基于ds证据理论的机器人定位传感器融合与基于马氏距离的冲突检测
2008 7th IEEE International Conference on Cybernetic Intelligent Systems Pub Date : 2008-09-01 DOI: 10.1109/UKRICIS.2008.4798964
S. Soleimanpour, S. S. Ghidary, Kourosh Meshgi
{"title":"Sensor fusion in Robot localization using DS-Evidence Theory with conflict detection using Mahalanobis distance","authors":"S. Soleimanpour, S. S. Ghidary, Kourosh Meshgi","doi":"10.1109/UKRICIS.2008.4798964","DOIUrl":"https://doi.org/10.1109/UKRICIS.2008.4798964","url":null,"abstract":"This article contains a new approach for combining sensory information for sensors with compatible information. Using Dempster-Shafer evidence theory, we show how to combine sensory information by Yager combination rule. We also present a method to distinguish contrasts between robots sensors outputs based on Mahalanobis distance, and find the sensor with irrelevant outputs. Experiments on a robot facilitated with vision and encoder shows that this approach reduces localization error significantly, having better performance than Kalman filter.","PeriodicalId":311925,"journal":{"name":"2008 7th IEEE International Conference on Cybernetic Intelligent Systems","volume":"7 3","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2008-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"120859105","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 7
Eyes extraction from facial images using edge density 基于边缘密度的人脸图像眼睛提取
2008 7th IEEE International Conference on Cybernetic Intelligent Systems Pub Date : 1900-01-01 DOI: 10.1109/UKRICIS.2008.4798958
M. Shafi, P. Chung
{"title":"Eyes extraction from facial images using edge density","authors":"M. Shafi, P. Chung","doi":"10.1109/UKRICIS.2008.4798958","DOIUrl":"https://doi.org/10.1109/UKRICIS.2008.4798958","url":null,"abstract":"This paper proposes a novel method for eyes extraction in facial images using edge density information. The method is based on the observation that irrespective of skin colour, colour variations occur the most in the eye region. In the proposed method, edges are detected in the input facial image. Morphological dilation is applied twice and the holes are filled in the connected regions. This makes the high density edges regions appear as blobs. Certain shapes and geometrical rules are applied to these blobs to extract the eyes. The method was tested using images from the PICS facial images database. The accuracies of the initial blobs extraction and the final eyes extraction were 95% and 72% respectively.","PeriodicalId":311925,"journal":{"name":"2008 7th IEEE International Conference on Cybernetic Intelligent Systems","volume":"358 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124511906","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Fuzzy rule base assessment models: Theoretical analyses and a case study 模糊规则基评价模型:理论分析与案例研究
2008 7th IEEE International Conference on Cybernetic Intelligent Systems Pub Date : 1900-01-01 DOI: 10.1109/UKRICIS.2008.4798968
K. Tay, C. Lim, C. S. Teh
{"title":"Fuzzy rule base assessment models: Theoretical analyses and a case study","authors":"K. Tay, C. Lim, C. S. Teh","doi":"10.1109/UKRICIS.2008.4798968","DOIUrl":"https://doi.org/10.1109/UKRICIS.2008.4798968","url":null,"abstract":"An assessment model is usually a mathematical model that produces a measuring index, in the form of a numerical score to a situation/object, with respect to the subject of measure. To allow a valid and useful comparison among various situations/objects according to their associated numerical scores to be made, two important properties, i.e., the monotone output property and output resolution properties, are essential in fuzzy inference-based assessment problems. In this paper, the conditions for a fuzzy assessment model to fulfill the monotone output property is investigated using a derivative approach. A guideline on how the input membership functions should be tuned is also provided. Besides, the output resolution property is defined as the derivative of the output of the assessment model with respect to the input, whereby the derivative should be greater than a minimum resolution. Based on the derivative, improvements to the output resolution property by refining the fuzzy production rules are suggested. A case study on the Bowles fuzzy RPN model to demonstrate the effectiveness of the properties is also included.","PeriodicalId":311925,"journal":{"name":"2008 7th IEEE International Conference on Cybernetic Intelligent Systems","volume":"98 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122655473","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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