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Optimization of the control scheme for human extremity exoskeleton

Xiaorong Guan, Yang Li, Cheng Xu, Zhong Li
2016 Journal of Vibroengineering  
So, at last the fuzzy self-adaptive PI controller was proposed to solve this problem.  ...  One kind traditional PI (Proportion Integration) control scheme was proposed to be applied to human extremity exoskeleton (HEE, for short) in our previous works, and the simulation study and experimental  ...  Acknowledgements The work reported in this paper is funded by the National Natural Science Foundation of China (No. 51575279).  ... 
doi:10.21595/jve.2016.17397 fatcat:h6xed4u33bfo7mfw6vmc7onymi

Self-adaptive systems: A survey of current approaches, research challenges and applications

Frank D. Macías-Escrivá, Rodolfo Haber, Raul del Toro, Vicente Hernandez
2013 Expert systems with applications  
The topic of system adaptivity has been widely studied since the mid-60s and, over the past decade, several application areas and technologies relating to self-adaptivity have assumed greater importance  ...  Finally, the main bottlenecks for the effective application of self-adaptive technology, as well as a set of key research issues on this topic, are precisely identified, in order to overcome current constraints  ...  Acknowledgement This work was supported by the European Commission in the ARTEMIS JTI 295372 ''Design, Monitoring and Operation of Adaptive Networked Embedded Systems (DEMANES)''.  ... 
doi:10.1016/j.eswa.2013.07.033 fatcat:2gz76hptsfcd7cd2ztd3htaew4

A New Organization Model for Self-Organizing Multi-Agent Systems Based on Self-Adaptation Features

Amin Rahmanzadeh
2014 International Journal of Intelligent Information Systems  
In this paper we propose our model of organization, which implements Self-Adaptation features using Self-Organization and can improve extracted problems of existing models.  ...  A very good solution would be using agents in implementing and controlling these systems. Multi-Agent Systems are good examples of using agents for system control and implementation.  ...  In other words, proposing a Self-Adaptive model for Self-Organizing organizations would be the key to control emergence.  ... 
doi:10.11648/j.ijiis.s.2014030601.13 fatcat:iokrvukjlnhybjrk3mrxlxcbri

Application Strategy of Intelligent Technology in Electronic Engineering Automation Control

Haijun Huang, Qiulai Du
2017 DEStech Transactions on Social Science Education and Human Science  
This paper proposes the application strategy of the intelligent technology in electronic engineering automation control.  ...  calculation, the artificial intelligence is also different from most of the computer science as because it is more of an emphasis on the perception, reasoning, and behavior, and future applications of  ...  have been model reference adaptive control method, self-correction method and other control method combined with adaptive control method, and successfully applied in more and more practical systems proved  ... 
doi:10.12783/dtssehs/ssme2017/12978 fatcat:kwqmzgxbc5eavadvv5b4h4nlny

Self-Adaptive Systems in Organic Computing: Strategies for Self-Improvement [article]

Andreas Niederquell
2018 arXiv   pre-print
Diverse adaptivity properties, so-called self-* properties, form the basis of these systems and one of the properties is self-improvement.  ...  Furthermore, four different strategies for self-improvement are presented, following the taxonomy of self-adaptation suggested by Christian Krupitzer et al.  ...  Control Loops (DCL), Organic Controll of Traffic Lights (OTC), and Models@Runtime for Meta Adaptation.  ... 
arXiv:1808.03519v1 fatcat:mmnqpz2qqvcdtarzmdnphcb2wa

The analysis of adaptive reasoning ability reviewed from students' confidence in ethnomathematic-based treffinger learning model

Stevanus Budi Waluya, Annisa Fikriya, Sunarmi Sunarmi
2018 Unnes Journal of Mathematics Education  
The objective of this study was to examine whether ethnomathematics-based Treffinger learning model was good to improve students' adaptive reasoning ability and to describe the adaptive reasoning ability  ...  Eventually, the result showed that: (1) Ethnomathematics-based Treffinger learning model has good quality in improving students' adaptive reasoning ability since the planning and the implementation of  ...  model for the control class.  ... 
doi:10.15294/ujme.v7i2.24941 doaj:fa92475110cd426b9ad6983c69e47da8 fatcat:dcr5wzoybjbzpffrq63obmiseq

Developing Self-adaptive Software System: A Case Study

Qingfeng Zhang, Jing Xu, Chao Zhang
2015 International Journal of Database Theory and Application  
To address these challenges, this paper reviews the related research of self-adaptive software system and reports a case study that investigates a selfadaptive concurrency controller for database system  ...  Self-adaptation is recognized as a practical way for a software system to meet QoS requirements.  ...  Acknowledgements This work is supported by Tianjin Science and Technology Committee (No. 12JCZDJC20800).  ... 
doi:10.14257/ijdta.2015.8.4.21 fatcat:kkmuxqovabdcdbe3g26nkoebqi

On the challenges of self-adaptation in systems of systems

Danny Weyns, Jesper Andersson
2013 Proceedings of the First International Workshop on Software Engineering for Systems-of-Systems - SESoS '13  
However, the inherently decentralized nature of SoS raises fundamental challenges to self-adaptation.  ...  This paper presents three architectural styles to realize self-adaptation in SoS, discusses key challenges for each style, and outlines starting points that could help to tackle these challenges.  ...  An example of control-based self-adaptation for highperformance servers is described in [2] . Servers are modeled as difference equations and different types of controllers (e.g.  ... 
doi:10.1145/2489850.2489860 dblp:conf/ecoop/WeynsA13 fatcat:wwsqfzqisrcybor2pt4ai2dyru

Visibility of control in adaptive systems

Hausi Müller, Mauro Pezzè, Mary Shaw
2008 Proceedings of the 2nd international workshop on Ultra-large-scale software-intensive systems - ULSSIS '08  
We argue that adaptability is a characteristic of a solution, not of a problem, and that the feedback loop governing control of adaptability should be explicit in design and analysis and either explicit  ...  ULS systems are particularly likely to require dynamic adaptation because of their decentralized control and the large number of independent stakeholders whose actions are integral to the system's behavior  ...  Acknowledgments This work grew out of discussions at Dagstuhl Seminar 08031 on Software Engineering for Self-Adaptive Systems (13-18 January 2008).  ... 
doi:10.1145/1370700.1370707 dblp:conf/icse/MullerPS08 fatcat:ioyxcxzi45eojne5ilrmcqjqne

Control theory-based foundations of self-controlling software

M.M. Kokar, K. Baclawski, Y.A. Eracar
1999 IEEE Intelligent Systems and their Applications  
Efficiency: The model should minimize the cost of the redundancy necessary for self-adaptability.  ...  The self-controlling software model Our self-controlling software model (see Figure 3 ) combines and generalizes the features of the control models we just described.  ...  On the Web Access http://computer.org/intelligent/ for information about IEEE Intelligent Systems.  ... 
doi:10.1109/5254.769883 fatcat:c6l7d3mc4zb5rd3cqt3whqsl4e

Self-Organizing Adaptive Network-Based Fuzzy Intelligent Controller (SOANFIC)

H. R. Saghir, S. B. Shouraki
2012 International Journal of Machine Learning and Computing  
Self-Organizing controller is a very good tool for providing a system with adaptive abilities. However there are some problems that are drawbacks of this controller.  ...  To overcome these problems we introduce SOANFIC that is a model free controller and solves these problems.  ...  SOANFIC The self-organizing controller is a very useful adaptive tool; however, it has several problems: 1.  ... 
doi:10.7763/ijmlc.2012.v2.254 fatcat:l6lr77ybibd7bigsjhqvslh54e

Self-Tuning Trackers

P. R. Kumar, L. Praly
1987 SIAM Journal of Control and Optimization  
We examine the problem of obtaining adaptive control laws which tune themselves to control laws minimizing the variance of the tracking error between the output of the linear ARMAX system and a specified  ...  For the linear model following problem where the trajectory to be tracked is generated as the output of a linear system, it is enough for the order of sufficient richness to be greater than the degree  ...  The authors would like to thank P. Kokotovic for several stimulating discussions.  ... 
doi:10.1137/0325058 fatcat:6xioqqfo3rdehheibwnnjdi6tu

Selection of Heterogeneous Fuzzy Model Ensembles Using Self-adaptive Genetic Algorithms

Magdalena Smȩtek, Bogdan Trawiński
2011 New generation computing  
To solve the problem three self-adapting genetic algorithms were proposed with different control parameters of mutation, crossover, and selection adjusted during the execution.  ...  The problem of model selection to compose a heterogeneous bagging ensemble was addressed in the paper.  ...  The self-adaptive crossover is k-point one so is different from the crossover of GA, SAMC, and SAMCT.  ... 
doi:10.1007/s00354-010-0305-3 fatcat:dn4okgjaorfj5c5uzkztpzylwa

SELF-X: THE CONTROL WITHIN

R. Sanz, I. López, J. Bermejo, R. Chinchilla, R.P. Conde
2005 IFAC Proceedings Volumes  
control systems designs to a scale that would match the complexity of modern models of human self-awareness and consciousness.  ...  From partial plant representations like those employed in classic model-based adaptive controllers to more encompassing plant+controller mixed models, the internal model principle is pushing software-intensive  ...  , and self-adapting.  ... 
doi:10.3182/20050703-6-cz-1902.01071 fatcat:u35bc4qsl5hl5mf2uea6u2bkge

Modelling and Simulation on Shearer Self-adaptive Memory Cutting

Xu Zhi-peng, Wang Zhong-bin
2012 Procedia Engineering  
According to the complicated geological condition in our country, this paper built a shearer self-adaptive memory cutting model based on fuzzy control theory.  ...  The simulation results show that the model can realize the shearer memory cutting and discriminate the abnormal state, then adjust the drawing speed and drum height self-adaptively which can satisfy the  ...  In order to solve this problem, the author put forward a shearer self-adaptive memory cutting model based on fuzzy control theory, which contains the position model, attitude model and the fuzzy control  ... 
doi:10.1016/j.proeng.2012.04.198 fatcat:rsvkpqctevdorfw33qldes4bli
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