Dr. Seshagiri Rao Ambati

Associate Professor

Department of Chemical Engineering

National Institute of Technology, Warangal - 506004, Telangana, INDIA

: seshagiri@nitw.ac.in

: 0870 2462633

Interests: Process Control; Reinforcement Learning; Process Dynamics; Wastewater Treatment; Hybrid Energy Systems.

Personal Web:

https://sites.google.com/view/seshagirirao

 Work experience:
  • Assistant Professor, National Institute of Technology, Tiruchirappalli, Sep 8, 2006 - Nov 19, 2013
  • Associate Professor, National Institute of Technology, Warangal since Nov 20, 2013
Research experience:
  • Visiting researcher to Systems and Control Group, Max-Planck Institute for Dynamics of Complex Technical Systems, Magdeburg, Germany, 2007.
  • Visiting researcher to Environmental Systems Engineering and Management Lab, Kyung Hee University, South Korea, 2009.
  • Visiting researcher to BIOMATH Department, Ghent University, Belgium, 2013.
  • Visiting researcher to School of Chemical Engineering, Purdue University, USA, 2017.
  • Visiting researcher to Process Dynamics and Operations Group, Technical University of Dortmund, Germany, 2019.
Education:
  • Ph. D. - Indian Institute of Technology Madras, Chennai 600 036, India (February 2007)
  • M. Tech. - Indian Institute of Technology - Banaras Hindu University, Varanasi, India (2003)
  • B. Tech. - Jawaharlal Nehru Technological University, Hyderabad, India (2000)
Research interests:
  • Process Control – PID Design, Model Predictive Control, Unstable Systems, Control Loop Performance Assessment, Machine Learning
  • Process Dynamics – Nonlinear Dynamics and Analysis, Bifurcation
  • Wastewater Treatment – Optimization, Monitoring and Control of Biological Wastewater Treatment Plants
  • Hybrid Energy Systems - Optimization and Control
 
Editorial Activities/As a Member:
 
  • Associate Editor, Chemical Product and Process Modeling (June 2021 - )

  • Review Editor, Frontiers in Control Engineering Journal (2020 - )

  • Member of IFAC TC 2.1 Control Design (2020 - )

  • Executive member, Advanced Control and Dynamic Optimization (ACODS) Society (2020 - )


Course Taught Previously

 

  • System Identification - 1st Semester M.Tech
  • Advanced Process Control - 2nd Semester M.Tech
  • State Estimation Techniques - 2nd Semester M.Tech (Process Control)
  • Process Control Lab - 2 for 1st Semester M.Tech (Process Control)
  • Process Dynamics and Control - 7th Semester B.Tech
  • Systems and Control Engineering - 1st Semester M.Tech. (Process Control)
  • Process Control Lab - 1 for 1st Semester M.Tech (Process Control)
  • Computer Control of Process Plants - 2nd M.Tech (Chemical Engineering)
  • Seminar - 8th Semester B.Tech
  • Seminar - 2nd Semester M.Tech
  • Instrumentation and Process Control Laboratory - 7th Semester B.Tech.
  • Mathematical Methods in Chemical Engineering  - 8th Semester B.Tech.  
  • Chemical Process Optimization - 8th Semester B.Tech.
 

Publications

Book Chapters: 7

 

  1. Sheik Abdul Gaffar, S. Murali Mohan and A. Seshagiri Rao*, Fuzzy Logic Control of Active Sludge based Wastewater Treatment Plants, Chapter in the book 'Soft computing techniques in solid waste and wastewater management', Accepted, January 2021, Elsevier.

  2. Thulasya Naik B, Ravi Kumar J and Seshagiri Rao Ambati, Real-time implementation of PID controller for cylindrical tank system using short-range wireless communication, chapter in the book Modeling, Simulation and Intelligent Computing (Edited by Goel et al.), Springer Nature, Lecture Notes in Electrical Engineering, Volume-659, Pages: 430-443, 2020, DOI: https://doi.org/10.1007/978-981-15-4775-1.

  3. E. Chandra Mohan Goud, A. Seshagiri Rao* and M. Chidambaram, Simple PID controller design for Non-minimum Phase FOPTD and SOPTD processes, Intelligent Algorithms for Analysis and Control of Dynamical Systems” chapter in the book Intelligent Algorithms for Analysis and Control of Dynamical Systems, (Editors: Kumar, Rajesh, Singh, V. P., Mathur, Akhilesh) Springer, 2020.

  4. G. Maruthi Prasad, A. Adithya and A. Seshagiri Rao*, Design of multi model fractional controllers for non-linear systems: An experimental investigation, chapter in the book Computer Aided Chemical Engineering, Anton A. Kiss, Edwin Zondervan, Richard Lakerveld, Leyla Özkan (Eds.), Elsevier, Volume 46, 2019.

  5. R. Ranganayakulu, G. Uday Bhaskar Babu and A. Seshagiri Rao, Design of Fractional Filter Fractional Order Proportional Integral Derivative (FFFOPID) controller for higher order systems, chapter in the book Emerging Trends in Engineering, Science and Technology for Society, Energy and Environment, CRC Press, edited by Rajesh Vanchipura and K.S. Jiji, 2018.

  6. R. Saravanane, Vivek V. Ranade, Vinay M. Bhandari and A. Seshagiri Rao, Urban wastewater treatment for recycle and reuse in industrial applications – Indian scenario, chapter in the book Industrial Wastewater Treatment, Recycling and Reuse, Elsevier, Edited by Vinay M. Bhandari and Vivek V. Ranade, 2014.

  7. A. Seshagiri Rao and M. Chidambaram, PID control of unstable and integrating processes, chapter in the book PID control in third millennium: lessons learned and new approaches, Editors: R. Valanova and A. Visioli, Springer, 2012.

 

Papers Published in Peer Reviewed Journals:   

Given below are the list of selected published papers. The details of citations can be seen in Google scholar and Scopus.
Google Scholar: http://scholar.google.co.in/citations?user=tZimxSsAAAAJ&hl=en
Scopus: https://www.scopus.com/authid/detail.uri?authorId=26633317300
  1. S. S. Tejaswini, Soniya Panjwani, Uday Bhaskar Babu Gara and Seshagiri Rao Ambati*, Multi-objective Optimization based Controller Design for Improved Wastewater Treatment Plant Operation, Environmental Technology & Innovation, Vol 23, August 2021 (SCI, Scopus, Web of Science, Impact  Factor: 5.3).
  2. Sheik Abdul Gaffar, Murali Mohan Seepana and Seshagiri Rao*, Supervisory Control Configurations Design for Nitrogen and Phosphorous Removal in Wastewater Treatment Plants, Water Environmental Research, Accepted, January 2021 (SCI, Scopus, Web of Science, Impact  Factor: 1.369). 
  3. Sheik Abdul Gaffar, MVS Raghu Kumar, Murali Mohan Seepana and Seshagiri Rao*, Design of control strategies for nutrient removal in biological wastewater treatment plants, Environmental Science and Pollution Research, 28, 12092-12106, 2021 (SCI, Web of Science, Impact Factor: 3.2).
  4. Ediga Chandramohan Goud, Seshagiri Rao and M. Chidambaram*, Simple Model Reduction Technique for Transfer Function Models, Asia-Pacific Journal of Chemical Engineering, Accepted, 2021 (Scopus, Web of Science, Impact Factor: 1.03).
  5. Suresh Kumar Chiluka, Seshagiri Rao Ambati, Muralimohan Seepana, Uday Bhaskar Babu Gara*, A Novel Robust Virtual Reference Feedback Tuning Approach for Minimum and Non-Minimum Phase Systems, ISA Transactions, Accepted, January 2021 (SCI, Scopus, Web of Science, Impact Factor: 4.343)
  6. S. S. Tejaswini, G. Uday Bhaskar Babu, A. Seshagiri Rao*, Design and evaluation of advanced automatic control strategies in a total nitrogen removal activated sludge plant, Water and Environment Journal, 35(2), 791-806, 2021 (SCI, Scopus, Web of Science, Impact Factor: 1.426).                                                           
  7. Anil Bhaskaran and A. Seshagiri Rao*, Enhanced Predictive Control Strategy for Parallel Cascade Unstable Time Delay Processes, Chemical Engineering Communications, Accepted, September 2020. (SCI, Scopus, Web of Science, Impact Factor: 1.802).                     
  8. E. S. S. Tejaswini, Soniya Panjwani and A. Seshagiri Rao*, Design of Hierarchical Control Strategies for Biological Wastewater Treatment Plants to Reduce Operational Costs, Chemical Engineering Research and Design, 161, 197-205, 2020. 
  9. Anil Bhaskaran and A. Seshagiri Rao*, Predictive control of unstable time delay series cascade processes with measurement noise, ISA Transactions, 99, 403-416,2020 (SCI, Impact Factor: 4.343).                                                                                                                       
  10. G. Maruthi Prasad and A. Seshagiri Rao*, Evaluation of Gap metric based multi model controller schemes for non-linear systems: An experimental study, ISA Transactions, 94, 246-254, 2019 (SCI, Impact Factor: 4.343).                                                                                       
  11. K. Ghousiya Begum, A. Seshagiri Rao* and T. K. Radhakrishnan, Performance assessment of control loops involving unstable systems for set-point tracking and disturbance rejection, Journal of the Taiwan Institute of Chemical Engineers, 85, 1 – 17, 2018, (SCI Impact Factor: 4.217).                                                                                         
  12. K. Ghousiya Begum, A. Seshagiri Rao* and T. K. Radhakrishnan, Optimal controller synthesis for second order time delay systems with atleast one RHP pole,  ISA Transactions, 73, 181 – 188, 2018, (SCI, Impact Factor: 4.3).                                                                                                                                      
  13. B. Vivekanandan and A. Seshagiri Rao*, Estimation of yield, growth rate, decay rate and half-saturation coefficients of ASM1 model parameters, International Journal of Environmental Research, 11(4), 415 - 423, 2017 (SCIE, Impact Factor: 0.927).                                                                                               
  14. K. Ghousiya Begum, A. Seshagiri Rao* and T. K. Radhakrishnan, Enhanced IMC based PID controller design for non-minimum phase (NMP) integrating processes with time delays,  ISA Transactions, 68, 223-234, 2017, (SCI, Impact Factor: 3.394).                                                                                           
  15. B. Vivekanandan, A. Seshagiri Rao* and R. Saravananae, Enhanced control of activated sludge process using pre-determined set points, International Journal of Environmental Science and Technology, 14(3), 487-496, 2017 (SCI, Impact Factor: 2.34).                                                                                   
  16. Purushottama Rao Dasari, Lavanya Alladi, A. Seshagiri Rao*, ChangKyoo Yoo, Enhanced design of cascade control systems for unstable processes with time delay, Journal of Process Control, 45, 43-54, 2016  (SCI, Impact Factor: 2.216).                                                                                                                                          
  17. K. Ghousiya Begum, A. Seshagiri Rao* and T. K. Radhakrishnan, Maximum sensitivity based analytical tuning rules for PID controllers for unstable dead time processes,  Chemical Engineering Research and Design, 109, 593-606, 2016, (SCI, Impact Factor: 2.348).                                                                                        
  18. S. Uma and A. Seshagiri Rao*, Enhanced modified Smith predictor design for second order non-minimum phase unstable processes, International Journal of Systems Science, 47(4), 966-981, 2016 (SCIE, Impact Factor: 2.1).
  19. B. Vanavil, K. Krishna Chaitanya and A. Seshagiri Rao*, Improved PID controller design for unstable time delay processes based on direct synthesis and maximum sensitivity, International Journal of Systems Science, 46(8), 1349-1366, 2015, (SCIE, Impact Factor: 2.1).                                           
  20. B. Vanavil, M. P. Harikumar and A. Seshagiri Rao*, Bifurcation analysis of two continuous bioreactors operated in series with recycle, Chemical Engineering Research and Design, 92, 2123-2130, 2014, (SCI, Impact Factor: 2.348).                                                                                                                    
  21. B. Vanavil, M. Perumalsamy  and A. Seshagiri Rao*, Studies on the effects of bioprocess parameters and kinetics of rhamnolipid production by p.aeruginosa nitt6l, Chemical and Biochemical Engineering Quarterly, 28(3), 2014, (SCIE, Impact Factor: 0.91).                                                                          
  22. B. Vanavil, A. V. N. L. Anusha, M. Perumalsamy and A. Seshagiri Rao*, Enhanced design of PID controller with lead-lag filter for unstable first order and integrating time delay processes, Chemical Engineering Communications, 201(11), 1468-1496, 2014 (SCI, Impact Factor: 1.1).                                                                                                            
  23. J. Lim, M. Kim, M. Kim, T. Oh, O. Kang, B. Min, A. Seshagiri Rao, ChangKyoo Yoo, A systematic model calibration methodology based on multiple errors minimization method for the optimal parameter estimation of ASM1, Korean Journal of Chemical Engineering, 29(3), 291-303, 2012, (SCIE, Impact Factor: 1.166).  
  24. S. Uma, A. Seshagiri Rao*, J. Kim, ChangKyoo Yoo, Modified Smith predictor based parallel cascade control strategy for non-self regulating time delay processes, Journal of Chemical Engineering of Japan, 44(8), 596-607, 2011, (SCI, Impact Factor: 0.6).      
  25. S. Uma, M. Chidambaram and A. Seshagiri Rao*, Set-point weighted modified Smith predictor for non-minimum phase integrating processes, Chemical Engineering Research & Design, 88, 592-601, 2010, (SCI, Impact Factor: 2.348).                                                                                                            
  26. S. Uma, M. Chidambaram, A. Seshagiri Rao* and ChangKyoo Yoo, Enhanced control of integrating cascade processes with time delays, Chemical Engineering Science, 65, 1065-1075, 2010, (SCI, Impact Factor: 2.337).  
  27. Han Kim, A. Seshagiri Rao* and ChangKyoo Yoo, Dual optimization strategy for optimal N and P removal in a biological waste water treatment plant, Industrial & Engineering Chemistry Research, 48, 6363-6371, 2009, (SCI, Impact Factor: 2.587).                                                                                       
  28. S. Uma, M. Chidambaram and A. Seshagiri Rao*, Enhanced control of unstable cascade processes with time delays using modified Smith predictor, Industrial & Engineering Chemistry Research, 48(6), 3098-3111, 2009, (SCI, Impact Factor: 2.587).                                                                                  
  29. A. Seshagiri Rao*, S. Seethaladevi, S. Uma and M. Chidambaram, Enhancing the performance of parallel cascade control using Smith predictor, ISA Transactions, 48, 220-227, 2009, (SCI, Impact Factor: 2.984).                                                                                                                                      
  30. A. Seshagiri Rao, V. S. R. Rao and M. Chidambaram, Direct synthesis based controller design for integrating processes with time delay, Journal of the Franklin Institute, 346(1), 38-56, 2009, (SCI, Impact Factor: 2.395).    
  31. A. Seshagiri Rao and M. Chidambaram, Analytical design of modified Smith predictor in a two-degree-of-freedom control scheme for second order unstable processes with time delay, ISA Transactions, 47, 407-419, 2008, (SCI, Impact Factor: 2.984).  
  32. A. Seshagiri Rao, V. S. R. Rao and M. Chidambaram, Delay compensated controllers for Two-Input-Two-Output (TITO) multivariable processes, Asia-Pacific Journal of Chemical Engineering, 2, 510-516, 2007, (Impact Factor: 0.789).                                                                                                   
  33. A. Seshagiri Rao, V. S. R. Rao and M. Chidambaram, Simple analytical designs of modified Smith predictor with improved performance for unstable first order plus time delay (FOPTD) processes, Industrial & Engineering Chemistry Research, 46(13), 4561-4571, 2007, (SCI, Impact Factor: 2.587).                      
  34. A. Seshagiri Rao, V. S. R. Rao and M. Chidambaram, Set point weighted modified Smith predictor for integrating and double integrating processes with time delay, ISA Transactions, 46(1), 59-71, 2007, (SCI, Impact Factor: 2.984).                                                                                                                         
  35. A. Seshagiri Rao and M. Chidambaram, Control of unstable processes with two RHP poles, a zero and time delay, Asia-Pacific Journal of Chemical Engineering, 1 (1-2), 63-69, 2007, (Impact Factor: 0.789).                                                                                                
  36. A. Seshagiri Rao and M. Chidambaram, Enhanced two-degree-of-freedom control strategy for second order unstable processes with time delay, Industrial & Engineering Chemistry Research, 45(10), 3604-3614, 2006, (SCI, Impact Factor: 2.587).                                                                                               
  37. A. Seshagiri Rao and M. Chidambaram, Smith delay compensator for multi variable non-square systems with multiple time delays, Computers & Chemical Engineering, 30, 1243-1255, 2006, (SCI, Impact Factor: 2.784).                                                                                                                                               
  38. A. Seshagiri Rao and M. Chidambaram, Enhanced smith predictor for unstable processes with time delay, Industrial & Engineering Chemistry Research, 44(22), 8291– 8299, 2005, (SCI, Impact Factor: 2.587)

PHDs Supervised

Awarded:

  1. S. Uma: Controller structure selection and synthesis for time delay processes (Awarded in May 2011)
  2. B. Vanavil : Control and optimization of biological processes with application to bio-surfactants ((Awarded in March 2014, Co-superviser: Dr. M. Perumalsamy)
  3. B. Vivekanandan : Studies on applications of process systems engineering tools for biological wastewater treatment process, (Awarded in February 2017)
  4. Purushottama Rao Dasari : Analytical design of control strategies for unstable time delay processes (Defense held on October 15, 2019)
  5. G. Maruthi Prasad : Multi model controller design for nonlinear systems (Awarded, August 2021)
  6. Ediga Chandramohan Goud : Enhanced controller design for SISO and MIMO processes with time delay, (Awarded, September 3, 2021)

On-going:

  1. Indranil Dey - Estimation and filtering in water-energy-food nexus (JRF, on-going since May 2021)
  2. Amol Shukla - Modeling and Control of Sequencing Batch Reactor (SBR) based wastewater treatment plants (JRF, on-going since September 2021)
  3. E. S. S. Tejaswini – Design of control strategies for activated sludge based wastewater treatment plants for improved operability (On-going since December 2017)
  4. A. Adithya – Fractional controller design for unstable systems (On-going since August 2017)
  5. Radhika Gandu : Modelling, simulation and control of heat integrated batch distillation columns (as a co-supervisor, ongoing since July 2016)
  6. Sheik Abdul Gaffar  - Development of control strategies for improved nutrient removal in biological wastewater treatment plants (as a co-supervisor, ongoing since July 2016)

Workshops/Conferences

 

 Conferences Organized:

International Conference on New Frontiers in Chemical, Energy and Environmental Engineering (INCEEE) during March 20-21, 2015. Coordinators: K. Anand Kishore, S. Srinath and A. Seshagiri Rao

Workshops organized:

  1. A. Seshagiri Rao and G. Uday Bhaskar Babu, GIAN Course on Modeling and Control of Wastewater Treatment Plants, to conduct on April 23 – 27, 2018 (Foreign Expert: Prof. Ingmar Nopens, Ghent University, Belgium)                                                                                                                  
  2. A. Seshagiri Rao and G. Uday Bhaskar Babu, Process Automation and Control, July 9 - 13, 2018 (Continuing Education Program under TEQIP-III)                                                                                                
  3. A. Seshagiri Rao and G. Uday Bhaskar Babu, GIAN Course on Advanced Process Control, December 12 - 17, 2016 (Experts: Prof. Zoltan Nagy, School of Chemical Engineering, Purdue University, USA; Dr. Niket Kaisare, Dept. of Chemical Engineering, IIT Madras, India)    
  4. A. Seshagiri Rao and P. V. Suresh, GIAN Course on Crystallization Systems Engineering, September 5 - 9, 2016 (Experts: Prof. Zoltan Nagy, School of Chemical Engineering, Purdue University, USA; Prof. Ravindra Gudi, Dept. of Chemical Engineering, IIT Bombay, India)      
  5. A. Seshagiri Rao and G. Uday Bhaskar Babu, Advanced Process Control, March 7 - 11, 2016 (Short term training program on self-financed basis)                                                                                    
  6. A. Seshagiri Rao, S. Srinath and K. Anand Kishore, Membrane Technology for Wastewater and Water Treatment, March 19, 2015                                                                                                                         
  7. A. Seshagiri Rao and G. Uday Bhaskar Babu, Trends in Process Control, July 3-4, 2014                        
  8. A. Seshagiri Rao and A. Arunagiri, gPROMS: process modeling and simulation tool, April 1-2, 2013                                                                                                                                                
  9. A. Seshagiri Rao and A. Arunagiri, Advanced tools for wastewater treatment, Indo-European workshop with speakers and participants from Belgium, Spain and Turkey, January 28-29, 2013                                    
  10. A. Seshagiri Rao and K. N. Sheeba, Chemical process simulation using MATLAB, January 9-13, 2012                                                                                                                                    
  11. A. Seshagiri Rao and A. Arunagiri, Advanced Chemical Process Design, October 20, 2008                        
  12. A. Seshagiri Rao and M. Chidambaram, Identification and control of unstable systems, July 5, 2008 (Invited IFAC 2008 Pre-congress workshop, Seoul, Korea).                                                
  13. A. Seshagiri Rao and M. Chidambaram, Process Identification and Control, MHRD-AICTE sponsored two weeks summer school, June 16-28, 2008.                                                                                    
  14. A. Seshagiri Rao and A. Arunagiri, Process optimization (in collaboration with Prof. Pu Li, Technical University of Ilmenau, Germany), April 25-26, 2008                                                                        
  15. A. Seshagiri Rao and K. Murugesan, Nonlinear control systems, February 21, 2008                                    
  16. A. Seshagiri Rao and M. Chidambaram, Control of unstable processes, December 19-20, 2006

Projects

 On-going Projects:

  1. Duo-India grant to visit The Autonomous University of Barcelona (UAB), Spain and work on Machine learning based control for wastewater treatment plants, Euro 3000, 2021.

  2. Low cost innovative technology for water quality monitoring and water resources management for urban and rural water systems in India (LOTUS), Indo-European project under HORIZON-2020, 2019-2024.

  3. Development of Advanced Automatic Control based Wastewater Treatment Process towards Sustainable Water-Energy-Food Nexus, DST Funding under Water Technology Initiative (WTI) scheme, Rs. 67.48 Lakhs, 2021 - 2024.

Completed Projects:

1. Advanced control of chemical processes involving time delays, funded by DST under fast track scheme for young scientists, Rs. 18 Lakhs, 2010-2013.

2. Advanced modeling, control and decision support tools for flexible and optimal water treatment plants, Indo-European networking project funded by New INDIGO - DST (www.newindigo-atwat.com), with partners from NCL, Pune (India), PEC, Pondicherry (India), University of Gent (Belgium), University of Girona (Spain), Catalan Water Agency (Spain), Euro 1,00,000, 2012-2014.

3. NMEICT-MHRD sponsored Pedagogy project for development of course modules for Instrumentation & Process Control, 2013-2014. (Principal developer: Prof. T. K. Radhakrishnan, NIT Trichy)

4. MHRD sponsored RSG grant worth Rs. 4.5 Lakhs for the project Advanced modeling and control of biological waste water treatment plants, 2014-2015.

5. Advanced control of wastewater treatment plants for improved effluent quality, cost reduction and effluent violations removal, SERB-Extra Mural Research Funding, Rs. 40.4 Lakhs, 2017-2020.

6. Nonlinear model predictive control of wastewater treatment plants, Indian National Science Academy (INSA)-German Research Foundation (DFG) funding under Bilateral Exchange Programme 2019, INR and Euro 5250, 2019.

 

Awards and Honors

 

  • Indian National Academy of Engineering (INAE) Young Engineer Award under the age of 35 years in the year 2014
  • Indian Institute of Chemical Engineers (IIChE) Amar Dye-Chem Award for Excellence in Research and Development (under the age of 35 years) for 2014
  • Best teacher award from NIT, Tiruchirappalli for the year 2009-2010
  • Specialist Group Member [Instrumentation, Control and Automation (ICA)] of International Water Association (IWA)
  • Invited visiting researcher to Kyung Hee University, South Korea, 2009
  • Invited workshop organizer at IFAC world congress, South Korea, 2008
  • Member (Life) of Indian Institute of Chemical Engineers (IIChE), 2008
  • Member of American Institute of Chemical Engineers (AIChE), 2016
  • Member of IEEE, 2016
  • Member of International Water Association (IWA)

Additional Responsibility

 

Administrative Positions:

  • Faculty In-charge - Centre for Automation and Instrumentation (CAI): December 2018 – Till date
  • Faculty In-charge – Film Club: August 2019 – September 2021
  • Faculty In-charge – Mentors Club: August 2018 – May 2019
  • Associate Dean (Students Welfare): March 2016 – May 2018
  • Associate Dean (Academic - UG) : October 2012 - October 2013