Practical-Optimal Control of a drum boiler Power Plant

Multivariable robust optimal PID controller design for a non-minimum phase boiler system using loop transfer recovery technique

“…Definition 1. The Geometric Subspace 1 2 (3, 4, 5) for the system # (6,7,8) is the maximal subspace of 9 : which is (; + <=) invariant and contained in >? @(A) such that the eigenvalue of (B + CD) are in right half E plane for some F.…”

“…Various controllers have been proposed for boiler or boiler-turbine systems, e.g., inverse Nyquist array method [7], LQG method [8], LQG/LTR method [9], ,mixedsensitivity approach [10], loop-shaping approach [11], internal-model-control (IMC) method [12], predicative control method [13] and fuzzy auto-regressive moving average [14].…”

Robust optimal controller design for a non-minimum phase boiler system with a saturable actuator

“…Various controllers have been proposed for boiler or boilerturbine systems, e.g., inverse Nyquist array method [8], LQG method [9], LQG/LTR method [10], ,mixed-sensitivity approach [11], loop-shaping approach [12], internal-modelcontrol (IMC) method [13], predicative control method [14] and fuzzy auto-regressive moving average [15]. In addition, [16] provides a gain-scheduled ℓ -optimal controller for boilerturbine dynamics with actuator saturation.…”

Takagi-Sugeno Fuzzy Coordinated Control System with Original Plant Fuzzy State Observer for a Power Unit

“…In fact, the need for simultaneous control of the strongly interacting variables of the boiler-turbine system makes the boilerturbine control an ideal application for multivariable control (Kwon et al, 1989). Direct application of the multivariable control theories in the boiler-turbine system had been reported in some literatures, e.g., Cori et al (1984) and Johansson et al (1984). Nether less, these controller systems hold true in limited range, the performance of which will lapse if the range is gone beyond.…”