Expression of concern
Optimal control of fractional order singular system
Paper Information
Record ID:
42768
Publication Date:
February 26, 2019
Retraction Date:
December 15, 2021
(3.9 years years ago)
Subject:
Broad Categories:
Engineering
Engineering
Specific Fields:
Engineering - Electrical
Engineering - Electrical
Country:
🇮🇳 IndiaArticle Type:
Publisher:
SAGE Publications
Open Access:
Yes
PubMed ID:
Not indexed in PubMed
Retraction PubMed ID:
Not indexed in PubMed
Expression of concern Details
Retraction Reasons:
Nature of Retraction:
Expression of concern
Retraction Notice:
10.1177/00207209211064046Citations (16)
16
Total Citations4
Post-Retraction(25.0%)
12
Pre-Retraction0
Same DayPost-Retraction Citation Analysis
0
Within 30 days
1
Within 1 year
0
After 2+ years
582
Days since retraction (latest)
On optimal control problem subject to fractional order discrete time singular systems
Tirumalasetty Chiranjeevi, Raj Kumar Biswas, Ramesh Devarapalli et al. (5 authors)
Archives of Control Sciences
Open Access
Published: Jul 2023
3 citations
3 citations
582 days after retraction
On LQ optimization problem subject to fractional order irregular singular systems
Muhafzan, Nazra Admi, Yulianti Lyra et al. (5 authors)
Archives of Control Sciences
Open Access
Published: Jul 2023
5 citations
5 citations
582 days after retraction
Modeling and Optimal Control of the Vibration Model of Constrained Buildings Based on Fractional Order Singular Theory Using Orthogonal Polynomials
Vahid Safari Dehnavi, Masoud Shafiee
Unknown Journal
Published: May 2023
510 days after retraction
Adaptive Fuzzy Backstepping Control of Fractional-Order Chaotic System Synchronization Using Event-Triggered Mechanism and Disturbance Observer
Zhiye Bai, Sheng-Gang Li, Heng Liu et al. (4 authors)
Fractal and Fractional
Open Access
Published: Nov 2022
5 citations
5 citations
350 days after retraction
Control of electric machines using flower pollination algorithm based fractional order PID controller
Tirumalasetty Chiranjeevi, Naladi Ram Babu, Ankit Yadav et al. (7 authors)
Global Transitions Proceedings
Open Access
Published: Aug 2021
6 citations
6 citations
125 days before retraction
Maiden application of flower pollination algorithm based tilt integral derivative controller with filter for control of electric machines
Tirumalasetty Chiranjeevi, Naladi Ram Babu, Shashi Kant Pandey et al. (11 authors)
Materials Today Proceedings
Published: Jan 2021
7 citations
7 citations
348 days before retraction
Solving an Optimal Control Problem of Fractional-Order Continuous-Time Singular System with Fixed Final Time by an Approximate Numerical Method
Tirumalasetty Chiranjeevi, Raj Kumar Biswas
Lecture notes in electrical engineering
Published: Jan 2021
2 citations
2 citations
348 days before retraction
Optimal control based on neural observer with known final time for fractional order uncertain non-linear continuous-time systems
Gholamreza Nassajian, Saeed Balochian
Computational and Applied Mathematics
Published: Nov 2020
1 citation
1 citation
383 days before retraction
Numerical simulation of fractional order optimal control problem
Tirumalasetty Chiranjeevi, Raj Kumar Biswas
Journal of Statistics and Management Systems
Published: Aug 2020
2 citations
2 citations
485 days before retraction
Optimal minimal variation control with quality constraint for fed-batch fermentation processes involving multiple feeds
Jinlong Yuan, Lei Wang, Jun Xie et al. (4 authors)
Journal of the Franklin Institute
Published: May 2020
13 citations
13 citations
583 days before retraction
Effect of initialization on optimal control problem of fractional order discrete-time system
Tirumalasetty Chiranjeevi, Raj Kumar Biswas, Naladi Ram Babu
Journal of Interdisciplinary Mathematics
Published: Jan 2020
8 citations
8 citations
713 days before retraction
Numerical Approach to the Fractional Optimal Control Problem of Continuous-Time Singular System
Tirumalasetty Chiranjeevi, Raj Kumar Biswas
Lecture notes in electrical engineering
Published: Jan 2020
7 citations
7 citations
714 days before retraction
Design of TID controller based on firefly algorithm for controlling the speed of a D.C. Motor
Govind Kumar Rajput, Adesh Yadav, Ajay Kumar et al. (7 authors)
E3S Web of Conferences
Open Access
Published: Jan 2020
8 citations
8 citations
714 days before retraction
Linear Quadratic Optimal Control Problem of Fractional Order Continuous – Time Singular System
Tirumalasetty Chiranjeevi, Raj Kumar Biswas
Procedia Computer Science
Open Access
Published: Jan 2020
16 citations
16 citations
714 days before retraction
Computational Method Based on Reflection Operator for Solving a Class of Fractional Optimal Control Problem
Tirumalasetty Chiranjeevi, Raj Kumar Biswas
Procedia Computer Science
Open Access
Published: Jan 2020
10 citations
10 citations
714 days before retraction
Fixed Final Time and Fixed Final State Linear Quadratic Optimal Control Problem of Fractional Order Singular System
Tirumalasetty Chiranjeevi, Raj Kumar Biswas, Shashi Kant Pandey
Algorithms for intelligent systems
Published: Jan 2020
4 citations
4 citations
714 days before retraction
Related Records
This article has multiple records in the database due to different notices:
Record #48875
Nov 01, 2023Quick Stats
Total Citations:
16
Years Since Retraction:
3.9 years
Open Access:
Yes
Last Checked:
Jul 24, 2025