astronomy

Vadim Utkin

Vadim Utkin is a astronomy topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Vadim Utkin rather than just read about it. In short: Vadim Ivanovich Utkin (Russian: Вадим Иванович Уткин; 30 October 1937 – 18 September 2022) was a Russian-American control theorist, electrical engineer and a professor of Electrical Engineering and Mechanical Engineering at the Ohio State University. He is best known for being one of the originators of Sliding Mode Control and Variable Structure Systems, which have become fundamental concepts in the field of nonline…

Key takeaways

Vadim Utkin belongs to astronomy; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect Vadim Utkin to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of Vadim Utkin from memory before moving on to harder problems.

Reference excerpt

Vadim Ivanovich Utkin (Russian: Вадим Иванович Уткин; 30 October 1937 – 18 September 2022) was a Russian-American control theorist, electrical engineer and a professor of Electrical Engineering and Mechanical Engineering at the Ohio State University. He is best known for being one of the originators of Sliding Mode Control and Variable Structure Systems, which have become fundamental concepts in the field of nonlinear control (e.g. robust control).

Biography Utkin was born in Moscow, Soviet Union. He was with the Institute of Control Sciences from 1960 to 1994, where he served as its Head of Discontinuous Control Systems Laboratory from 1973 to 1994. He joined the Ohio State University in 1994 as the Ford Chair of Electromechanical Systems, and was the first professor to hold this distinction until 2002. He was an IEEE Fellow, and he has been the recipient of awards such as the Lenin Prize and the Humboldt Prize. He also holds honorary doctorates from the University of Sarajevo and Rovira and Vergil University.

Selected works Sliding Modes and their Applications in Variable Structure Systems. Mir, Moscow, 1978. Sliding Modes in Control and Optimization, Springer Verlag, 1992. Sliding Mode Control in Electro-Mechanical Systems, Taylor & Frencis. 1st edition 1999, 2nd edition 2009.

References

Worked examples

Example 1 — a first encounter with Vadim Utkin

Start with the simplest possible case. Write down what Vadim Utkin claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In astronomy, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Vadim Utkin before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Vadim Utkin ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Vadim Utkin

In research: Vadim Utkin appears in astronomy research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses Vadim Utkin in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: Vadim Utkin is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1937 births, 2022 deaths, Control theorists, so understanding it makes those chapters shorter.
In everyday life: Look for Vadim Utkin outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Vadim Utkin in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Vadim Utkin means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain Vadim Utkin out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Vadim Utkin in simple terms?

Why does Vadim Utkin matter?

Because it connects several astronomy ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Vadim Utkin?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Vadim Utkin.