Extremum Seeking Control Systems
Extremum Seeking Control Systems is a research topic within Control and Systems Engineering. Science Explorer counts 7.1k research works in it since 1951. 20.7% of them reached the world's top 10% most cited for their field and year.
This cluster of papers focuses on extremum seeking control, a method for optimizing the performance of dynamic systems by iteratively adjusting control inputs to seek the extremum of a cost function. The papers cover various aspects such as stability analysis, adaptive control, stochastic optimization, and applications in fields like wind energy, bioreactors, and autonomous vehicles.
- Extremum Seeking
- Nonlinear Control
- Adaptive Control
- Stochastic Optimization
- Dynamic Systems
- Feedback Control
- Parameter Estimation
- Real-time Optimization
- Multivariable Control
- Source Seeking
- Research works
- 7.1k fractional, since 1951
- In the world top 10%
- 1.5k per year above
- Top-10% rate
- 20.7% share of its works in the world top 10%
- Growth, 2013–17 → 2018–22
- +21% the tick is no change
Which countries lead Extremum Seeking Control Systems research?
By volume, China and the United States publish the most (344 and 113 works in 2022–2025).
How concentrated that is
The same countries as shares of everything the list above accounts for. A node where two countries do two thirds of the work and one spread evenly across twelve read alike as a ranking and not at all alike here.
Shares of the rows listed above, not of the whole node.
Which institutions lead Extremum Seeking Control Systems research?
By volume in 2022–2025, University of California San Diego publishes the most Extremum Seeking Control Systems research, followed by Harbin Institute of Technology and Beihang University.
By volume, 2022–2025
- 1 University of California San DiegoUnited States 16 works
- 2 Harbin Institute of TechnologyChina 15 works
- 3 Beihang UniversityChina 10 works
- 4 Northwestern Polytechnical UniversityChina 9 works
- 5 Universidade do Estado do Rio de JaneiroBrazil 9 works
- 6 Beijing Institute of TechnologyChina 9 works
- 7 Northeastern UniversityChina 8 works
- 8 Nanjing University of Science and TechnologyChina 7 works
- 9 Shanghai Jiao Tong UniversityChina 7 works
- 10 V. A. Trapeznikov Institute of Control SciencesRussia 7 works
Who are the leading researchers in Extremum Seeking Control Systems?
The most-cited researchers publishing on Extremum Seeking Control Systems include Frank L. Lewis, Manfred Morari and Lihua Xie.
- 1 Frank L. Lewis United States 3.8k citations
- 2 Manfred Morari Switzerland 3.4k citations
- 3 Lihua Xie Singapore 3.2k citations
- 4 Miroslav Krstić United States 3.1k citations
- 5 A. Stephen Morse United States 2.9k citations
- 6 P.V. Kokotović United States 2.6k citations
- 7 YangQuan Chen United States 2.4k citations
Ranked by citations received across their whole record, among researchers with at least three works on this topic.
Where is Extremum Seeking Control Systems research done?
The largest centres of Extremum Seeking Control Systems research in 2022–2025 are Beijing (China), Nanjing (China), Moscow (Russia) and Shanghai (China). Among places with at least 20 works in it, it is an unusually large share of all research in Nanjing and Xi'an.
Largest cities, 2022–2025
- 1 Beijing China 65 works
- 2 Nanjing China 28 works
- 3 Moscow Russia 24 works
- 4 Shanghai China 23 works
- 5 Xi'an China 20 works
- 6 Harbin China 19 works
- 7 San Diego United States 17 works
- 8 Saint Petersburg Russia 16 works
- 9 Rio de Janeiro Brazil 14 works
- 10 Chengdu China 14 works
Where it is the local speciality
- NanjingCN · 27.9 works2.4×
- Xi'anCN · 20.3 works2.2×
Location quotient: how much more of its research is in Extremum Seeking Control Systems than the world average.
Where is the best place to study Extremum Seeking Control Systems?
Among universities, judged by research, University of California San Diego, Northwestern Polytechnical University and Harbin Institute of Technology score highest, combining excellence, specialisation, size, growth and international reach. Research strength is one signal when choosing where to study; it does not measure teaching.
One dot per university in the table below. The upper left is the interesting corner: small places doing unusually strong work.
| # | University | Score | Top 10% | Specialisation | Works | Growth |
|---|---|---|---|---|---|---|
| 1 | University of California San DiegoUnited States | 56.0 | 5.9% | 16.0× | 16 | -22.4% |
| 2 | Northwestern Polytechnical UniversityChina | 54.0 | 32.6% | 6.9× | 9 | +178.4% |
| 3 | Harbin Institute of TechnologyChina | 52.2 | 14.4% | 8.0× | 16 | +128.4% |
| 4 | Northeastern UniversityChina | 45.0 | 29.0% | 7.9× | 8 | +100.8% |
| 5 | Universidade do Estado do Rio de JaneiroBrazil | 43.1 | 5.0% | 16.8× | 9 | +198.8% |
| 6 | Beihang UniversityChina | 41.5 | 22.8% | 7.6× | 10 | +74.4% |
| 7 | Beijing Institute of TechnologyChina | 21.6 | 21.1% | 6.3× | 9 | -9.3% |
Universities only. Score blends excellence (30%), specialisation (25%), size (20%), growth (15%) and international reach (10%), 2015–2022; growth compares 2010–14 with 2015–19.
Is Extremum Seeking Control Systems research growing?
Output in 2018–2022 was 21% higher than in 2013–2017, peaking in 2020. The fastest-growing topics are Extremum Seeking Control Systems.
The same series as a ribbon — one cell per year, darker for more. The line above answers how much; this answers when.
Which topics inside it are moving
Growth and decline on one axis around a shared zero. Two lists side by side hide the thing that matters: whether the growth dwarfs the decline, or the other way round.