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4 results on '"Jin-Qin Lu"'

2. A parameter optimization method for electronic circuit design using stochastic model function

Author

Takehiko Adachi and Jin Qin Lu

Subjects
Continuous optimization, Mathematical optimization, Circuit design, Function (mathematics), Integrated circuit, Electronic circuit design, law.invention, Vector optimization, Control theory, law, Stochastic optimization, Electrical and Electronic Engineering, Constant (mathematics), Mathematics
Abstract

This paper presents an optimization procedure using the stochastic model function, aiming at the application to the optimization of the circuit constant in the integrated circuit. The optimization of the circuit constant is formulated as a minimization problem for the objective function derived from the circuit response under the specified condition. In the method presented in this paper, the model function is constructed which approximates well the objective function, and the objective function is minimized by minimizing the model function. The features of the method are that the algorithm is simple, the number of evaluations of the objective function is small, the result depends less on the initial value, and the minimum of the objective function can be determined with a high accuracy. The method is evaluated using the standard test function, and it is verified that all minimum values of the objective function can be determined with a high accuracy with fewer number of calculations of the objective function. The optimization procedure is applied to two circuit examples: the analog control circuit and the inverter chain. The result is satisfactory and the usefulness of the presented optimization procedure in the circuit design is demonstrated.

Published
1992

3. A Discussion on Start-Up Time of Crystal Oscillators

Author

Sigehiko Onishi, Jin-Qin Lu, and Yasuo Tsuzuki

Subjects
Physics, business.industry, Start up time, Electrical engineering, Electronic engineering, Electrical and Electronic Engineering, business, Crystal oscillator
Published
1991

4. A Parameter Optimization Method for Electronic Circuit Design Using Stochastic Model Function.

Author

Jin-Qin Lu and Adachi, Takehiko

Subjects
*INTEGRATED circuits, *MATHEMATICAL optimization, *ELECTRONICS, *TELECOMMUNICATION
Abstract

This paper presents an optimization procedure using tile stochastic model function, aiming at the application to the optimization of the circuit constant in the integrated circuit. The optimization of the circuit constant is formulated as a minimization problem for the objective function derived from the circuit response under the specified condition. In the method presented in this paper, the model function is constructed which approximates well the objective function, and the objective function is minimized by minimizing the model function. The features of the method are that the algorithm is simple, the number of evaluations of the objective function is small, the result depends less on the initial value, and the minimum of the objective function can be determined with a high accuracy. The method is evaluated using the standard test function, and it is verified that all minimum values of the objective function can be determined with n high accuracy with fewer number of calculations of the objective function. The optimization procedure is applied to two circuit examples: the analog control circuit and the inverter chain. The result is satisfactory and the usefulness of the presented optimization procedure in the circuit design is demonstrated. [ABSTRACT FROM AUTHOR]

Published
1992
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