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Adaptive gradient descent algorithm for networked control systems using redundant rule

Lixin Lv, Jian Zhang
2021 IEEE Access  
To estimate the parameters and time-delay simultaneously, a redundant rule based method is introduced to transform the system into an augmented model.  ...  INDEX TERMS Networked control system, gradient descent, redundant rule method, adaptive method, time-delayed model.  ...  CONCLUSION This paper presents a redundant rule based adaptive gradient descent algorithm for a NCS with time-delay.  ... 
doi:10.1109/access.2021.3064869 fatcat:tdg2uwf7hbhuxnigfpgcfrm2oa

Page 6659 of Mathematical Reviews Vol. , Issue 2004h [page]

2004 Mathematical Reviews  
This paper is based on redundancy of truly important information for device fault tolerance, and introduces a new decision rule on the information.  ...  Summary: “Time delayed-feedback control is an efficient method for stabilizing unstable periodic orbits of chaotic systems.  ... 

Biased compensation recursive least squares-based threshold algorithm for time-delay rational models via redundant rule

Jing Chen, Quan Min Zhu, Juan Li, Yan Jun Liu
2017 Nonlinear dynamics  
This paper develops a biased compensation recursive least squares based threshold (BCRLS-TH) algorithm for a time-delay rational model.  ...  The time-delay rational model is first transformed into an augmented model by using the redundant rule, and then a RLS algorithm is proposed to estimate the parameters of the augmented model.  ...  Chen et al proposed a recursive least squares based redundant parameter method for time-delay systems, in which the time-delay is unknown [26] .  ... 
doi:10.1007/s11071-017-3910-6 fatcat:63gcpokllzbo3mlgkbe3yxbh7i

Fuzzy Logic Based Hardware Faulty Node Detection And Redundancy Mechanism For Wireless Sensor Networks

real time systems.  ...  The proposed fuzzy knowledge based faulty node detection and redundancy approach (FNDRA) is presented to identify the faulty nodes and provide the management method for nodes reusability.  ...  Node Decision Based on the Hardware condition using Fuzzy logic Based on the membership functions 27 fuzzy rules were developed for a node decisions shown inTable.1.  ... 
doi:10.35940/ijitee.a8074.1110120 fatcat:koengg5zevafjgjrpoyg6hd7hi

Fuzzy Identification and Delay Compensation based on the Force/Position Control Scheme of the 5-DOF Redundantly Actuated Parallel Robot

Shuhuan Wen, Haiyang Yu, Baowei Zhang, Yongsheng Zhao, H. K. Lam, Guiqian Qin, Hongrui Wang
2016 International Journal of Fuzzy Systems  
A proportional-integral force controller is presented based on the structure to obtain an optimal solution under the model identification.  ...  This paper presents a fuzzy identification method for the dynamic model of the 6PUS-UPU redundantly actuated parallel robot.  ...  the time delay in the system.  ... 
doi:10.1007/s40815-016-0144-6 fatcat:de5v6q4hgjelxofgumdrak5dla

Fault Detection and Isolation of an Aircraft Turbojet Engine Using a Multi-Sensor Network and Multiple Model Approach

2014 Acta Polytechnica Hungarica  
Continuous progress in diagnostics brings new possibilities in the implementation of progressive methods instead of traditional based on the use of hardware redundancy.  ...  The article deals with the design of the diagnostic and backup system, which uses a voting method and analytical redundancy representing computational models using experimental identification methods (  ...  Acknowledgement This work was supported by KEGA under Grant No. 014TUKE-4/2015 -"Digitalization, virtualization and testing of a small turbojet engine and its elements using stands for modern applied lecturing  ... 
doi:10.12700/aph.15.1.2018.2.10 fatcat:ch2ftcu6lbdyvg3zcttmutae4m

Enhancing the Autonomy of Teleoperated Redundant Manipulators Through Fusion of Intelligent Control Modules

D. P. Thrishantha Nanayakkara, Kazuo Kiguchi, Tsukasa Murakami, Keigo Watanabe, Kiyotaka Izumi
2002 Journal of Robotics and Mechatronics  
This paper presents a method for redundancy resolution of an industrial manipulator in a teleoperated force control task.  ...  The proposed method relies on two modules of an intelligent controller on the slave side.  ...  One other disadvantage of conventional methods is the computational burden to deal with time delay.  ... 
doi:10.20965/jrm.2002.p0278 fatcat:aagars2xkrgrjm6iun3nk6xxme

Design of a New Compact and Regular 8 x 8 Multiplier Using Redundant Binary Number Representation

Mi Lu
The estimation of the delay time of a 32 x 32 multiplier is about 70ns using a 1µm design rule and double layer metal wiring.  ...  A modified redundant-to-binary converter has also been proposed, which results in a reduction of the delay time and size of the multiplier. The multiplier adopts a hybrid V-L adder tree structure.  ...  In a redundant binary number system, the carry propagation length is limited to one bit position.  ... 
doi:10.6084/m9.figshare.13661072.v1 fatcat:dcd56skcarhpnl5k7bogzud4ea

From Model, Signal to Knowledge: A Data-Driven Perspective of Fault Detection and Diagnosis

Xuewu Dai, Zhiwei Gao
2013 IEEE Transactions on Industrial Informatics  
Zhiwei Gao (SM'08) received the B.Eng. degree in Electric Engineering and Automation, and the M.Eng. and  ...  adaptive signal processing, state estimation and its applications to condition monitoring of aero engines and wind generators, wireless communication, wireless sensor networks and wireless networked control systems  ...  The representative work of model-based FDD includes parameter identification method, observer-based method and parity space method.  ... 
doi:10.1109/tii.2013.2243743 fatcat:kph6f6kysnabtpyvgtm5w563ra


O. Tymochko, V. Larin, A. Liuti, A. Abdalla
2020 Системи управління навігації та зв'язку Збірник наукових праць  
Therefore, the possibility of upgrading coding methods for P-frames is considered on preliminary blocks' type identification with the subsequent formation of block code structures.  ...  For a typical low complexity video sequence, the weight of each P-frame in the stream is approximately three times smaller than the I-frame weight.  ...  Basing on the analysis of known compression methods, it can be concluded that there is a need to use methods for processing images in the computer systems without quality loss.  ... 
doi:10.26906/sunz.2020.4.069 fatcat:c73u3fs665dsfn7radqjduiiri

Method for Extracting Knowledge of Train Rescheduling from Data of Operation Records

Shunichi TANAKA, Satoshi KATO, Takashi SAKAGUCHI, Tomoharu TAKIMOTO
2021 Quarterly Report of RTRI  
Although we have developed computational methods for generating train rescheduling plans, incorporating the knowledge of experienced dispatchers into the method remains an unresolved issue.  ...  In our previous research, we proposed a method for extracting knowhow as a set of association rules from past dispatcher decision data and to reflect it in train rescheduling algorithms using mathematical  ...  such as total delay time.  ... 
doi:10.2219/rtriqr.62.4_269 fatcat:lwzlelnxbrhifh3qbsi2wwctnu

Optimizing system monitoring configurations for non-actionable alerts

Liang Tang, Tao Li, F. Pinel, L. Shwartz, G. Grabarnik
2012 2012 IEEE Network Operations and Management Symposium  
Our proposed method defines monitoring conditions and the optimal corresponding delay times based on an off-line analysis of historical alerts and the matching incident tickets.  ...  These conditions and delay times are propagated as configurations into run-time monitoring systems.  ...  ACKNOWLEDGMENT The work is supported in part by NSF grants IIS-0546280 and HRD-0833093. The authors are indebted to Mr. E. Goldberg for editorial assistance.  ... 
doi:10.1109/noms.2012.6211880 dblp:conf/noms/TangLPSG12 fatcat:koeil6c7zbev3mdxrhgvpv2okq

Fault diagnosis for space-borne fiber-optic gyroscopes using a hybrid method

Zhengguo Yuan, Ningfang Song, Xiong Pan
2020 IEEE Access  
For the FDI issue of satellite attitude sensors, researchers have proposed many methods based on analytical redundancy.  ...  Different from the abrupt step fault, slow-growing fault has a certain detection delay which is 2s in this case. Based on the diagnosis rules, we confirm that gyro-s is failed.  ... 
doi:10.1109/access.2020.3033465 fatcat:ekqqaw2gkffozgcsubg3fkvi6u

Soft Error Mitigation Through Selective Addition of Functionally Redundant Wires

S. Almukhaizim, Y. Makris
2008 IEEE Transactions on Reliability  
The proposed method exploits the existence of logic implications in a design, and is based on selective addition of pertinent functionally redundant wires to the circuit.  ...  We discuss three methods for identifying candidate functionally redundant wires, and we outline the necessary conditions for adding them to the circuit.  ...  In an effort to reduce the incurred cost, several methods that utilize existing test & debug system resources to implement time redundancy-based soft error mitigation have been recently proposed [20]  ... 
doi:10.1109/tr.2008.916877 fatcat:3ao6nopr7ffyflxiqbm537w35y

Object Identification for Task-Oriented Communication with Industrial Robots

Adam Rogowski, Piotr Skrobek
2020 Sensors  
This paper presents the results of our research in this field. A novel method for contour identification, based on flexible editable contour templates (FECT), has been developed.  ...  Therefore, the rules for shape classification should be individually formulated by the users for each application.  ...  .doc, Research data S3: research data 3.doc, Research data S4: research data 4.doc Conflicts of Interest: The authors declare no conflict of interest.  ... 
doi:10.3390/s20061773 pmid:32210131 fatcat:etnhk3cu6jbq7fmas5nr6fcus4
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