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  • 1
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    Optimal control of first order distributed systems (1972)
    In:  CASI
    Details
    Publication Date: 2019-06-27
    Description: The problem of characterizing optimal controls for a class of distributed-parameter systems is considered. The system dynamics are characterized mathematically by a finite number of coupled partial differential equations involving first-order time and space derivatives of the state variables, which are constrained at the boundary by a finite number of algebraic relations. Multiple control inputs, extending over the entire spatial region occupied by the system ("distributed controls') are to be designed so that the response of the system is optimal. A major example involving boundary control of an unstable low-density plasma is developed from physical laws.
    Keywords: ELECTRONICS
    Type: NASA-CR-127799 , ESL-R-482
    Format: application/pdf
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  • 2
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    Optimal limited state variable feedback controllers for linear systems. (1971)
    In:  Other Sources
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    Publication Date: 2019-06-27
    Description: Optimized static and dynamic linear system compensator designs with a priori fixed dimensions are discussed. Expressions are derived to determine the parameters of these designs, including the fixed-gain output feedback, the time-varying output feedback, and time-invariant compensation. A relevant deterministic off-line optimization problem is formulated, and the properties of a solution to the problem are analyzed. A unified design philosophy for limited state-variable control problems of essentially deterministic systems is developed. The philosophy incorporates design constraints, a careful selection of performance criteria, and interpretation of the results.
    Keywords: ELECTRONICS
    Type: AD-738770 , AFOSR-72-0510TR , IEEE Transactions on Automatic Control; AC-16; Dec. 197
    Format: text
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  • 3
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    A minimum principle for smooth first-order distributed systems (1974)
    In:  Other Sources
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    Publication Date: 2019-06-27
    Description: Consideration of the problem of characterizing optimal controls for a class of distributed parameter systems. The system dynamics are characterized mathematically by a finite number of coupled partial differential equations involving first-order time and space derivatives of the state variables. Boundary conditions on the state are in the form of a finite number of algebraic relations between the state and boundary control variables. A few directions are outlined in which the results obtained may be extended further.
    Keywords: ELECTRONICS
    Type: IEEE Transactions on Automatic Control; AC-19; Apr. 197
    Format: text
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  • 4
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    On the design of optimal constrained dynamic compensators for linear constant systems (1970)
    In:  Other Sources
    Details
    Publication Date: 2019-06-27
    Description: Optimal fixed dimensionality dynamic compensator design for linear time-invariant closed-loop system based on quadratic cost and gain criteria
    Keywords: ELECTRONICS
    Type: ; ADEMIE DES SCIENCES
    Format: text
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