Eliahu Ibrahim Jury (May 23, 1923 – September 20, 2020) was an Iraqi-born American engineer. He received his Doctor of Engineering Science degree from

Columbia University Columbia University (also known as Columbia, and officially as Columbia University in the City of New York) is a private research university in New York City. Established in 1754 as King's College on the grounds of Trinity Church in Manhatt ...

New York City New York, often called New York City or NYC, is the List of United States cities by population, most populous city in the United States. With a 2020 population of 8,804,190 distributed over , New York City is also the L ...

in 1953. He was professor of

electrical engineering Electrical engineering is an engineering discipline concerned with the study, design, and application of equipment, devices, and systems which use electricity, electronics, and electromagnetism. It emerged as an identifiable occupation in the l ...

at the

University of California, Berkeley The University of California, Berkeley (UC Berkeley, Berkeley, Cal, or California) is a public land-grant research university in Berkeley, California. Established in 1868 as the University of California, it is the state's first land-grant u ...

, and the

University of Miami The University of Miami (UM, UMiami, Miami, U of M, and The U) is a private research university in Coral Gables, Florida. , the university enrolled 19,096 students in 12 colleges and schools across nearly 350 academic majors and programs, incl ...

. He developed the advanced Z-transform, used in

digital control Digital control is a branch of control theory that uses digital computers to act as system controllers. Depending on the requirements, a digital control system can take the form of a microcontroller to an ASIC to a standard desktop computer. ...

systems and

signal processing Signal processing is an electrical engineering subfield that focuses on analyzing, modifying and synthesizing ''signals'', such as audio signal processing, sound, image processing, images, and scientific measurements. Signal processing techniq ...

. He was the creator of the

Jury stability criterion In signal processing and control theory, the Jury stability criterion is a method of determining the stability of a linear discrete time system by analysis of the coefficients of its characteristic polynomial. It is the discrete time analogue of the ...

, which is named after him. He was a Life Fellow of the

IEEE The Institute of Electrical and Electronics Engineers (IEEE) is a 501(c)(3) professional association for electronic engineering and electrical engineering (and associated disciplines) with its corporate office in New York City and its operation ...

and received the

Rufus Oldenburger Medal The Rufus Oldenburger Medal is an award given by the American Society of Mechanical Engineers recognizing significant contributions and outstanding achievements in the field of automatic control. It was established in 1968 in the honor of Rufus ...

from the

ASME The American Society of Mechanical Engineers (ASME) is an American professional association that, in its own words, "promotes the art, science, and practice of multidisciplinary engineering and allied sciences around the globe" via "continuing ...

, the First Education Award of IEEE Circuits and Systems Society, and the IEEE Millennium Medal. In 1993 he received the AACC's

Richard E. Bellman Control Heritage Award The Richard E. Bellman Control Heritage Award is an annual award (since 1979) given by the American Automatic Control Council (AACC) for achievements in control theory, named after the applied mathematician Richard E. Bellman. The award is given fo ...

Bibliography

*''Theory and Application of the z-Transform Method'',

John Wiley and Sons John Wiley & Sons, Inc., commonly known as Wiley (), is an American multinational publishing company founded in 1807 that focuses on academic publishing and instructional materials. The company produces books, journals, and encyclopedias, in p ...

, 1964. *''Inners and stability of dynamic systems'', John Wiley & Sons, 1974

References

1923 births 2020 deaths 21st-century American engineers Academics from Baghdad Iraqi emigrants to the United States Columbia School of Engineering and Applied Science alumni Control theorists Iraqi engineers People of Iraqi-Jewish descent Richard E. Bellman Control Heritage Award recipients UC Berkeley College of Engineering faculty University of Miami faculty {{US-engineer-stub