Proportional-integral-derivative (PID) is the most common industrial technology for closed-loop control. A proportional-integral-derivative (PID) controller can be used to control temperature, ...
Proceedings of the National Academy of Sciences of the United States of America, Vol. 93, No. 23 (Nov. 12, 1996), pp. 12953-12958 (6 pages) The Ising problem consists in finding the analytical ...