A robust exponential integrator method for generic nonlinear circuit simulation

Chen，Quan

10.1109/DAC18072.2020.9218556

2020-07-01

0738-100X

978-1-7281-5802-0

Proceedings - Design Automation Conference

2020-July

1-6

20-24 July 2020

San Francisco, CA, USA

In this paper, we aim to address two long-lasting issues in large scale transient circuit simulation using the exponential integrator (EI) method. First is the numerical instability caused by the singularity in the differential-algebraic equation system. Our proposed solution is a systematic, algebraic and sparsity preserving regularization technique to eliminate the unstable modes in the system to be solved. Next, we devise a generic scheme to apply Newton-Raphson iterations in the EI framework for enhanced nonlinearity handling capability. With the two techniques, we wish to elevate the robustness and performance of EI and make it a competitive alternative to the existing SPICE-type simulators in practical usage.

Nonlinear circuits Integrated circuit modeling Linear systems Jacobian matrices Transient analysis Mathematical model Linear circuits

第一 ; 通讯

英语

EI

20204409414278

Differential equations ; Timing circuits ; Algebra ; Computer aided design

Electric Network Analysis:703.1.1 ; Pulse Circuits:713.4 ; Computer Applications:723.5 ; Algebra:921.1 ; Calculus:921.2

2-s2.0-85093963938

Scopus

Southern University of Science and Technology,Engineering Research Center of Integrated Circuits for Next-Generation Communications,Ministry of Education,School of Microelectronics,Shen Zhen,China

Chen，Quan. A robust exponential integrator method for generic nonlinear circuit simulation[C],2020:1-6.