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Battery Energy Storage System (BESS) and Battery Management System (BMS) for Grid-Scale Applications

- Matthew T. Lawder, Bharatkumar Suthar, +6 authors Venkat R. Subramanian
- Proceedings of the IEEE
- 2014

The current electric grid is an inefficient system that wastes significant amounts of the electricity it produces because there is a disconnect between the amount of energy consumers require and theâ€¦ (More)

In this paper, a simple transformation of coordinates is proposed that facilitates the efficient simulation of the non-isothermal lithium-ion pseudo 2-D battery model. The transformed model is thenâ€¦ (More)

Approximate models are developed, based on second, fourth, and sixth order polynomials, that describe the concentration profile of an electrochemically active species in a spherical electrodeâ€¦ (More)

- Bharatkumar Suthar, Venkatasailanathan Ramadesigan, +4 authors Venkat R. Subramanian
- 2013 American Control Conference
- 2013

First-principles models that incorporate all of the key physics that affect the internal states of a lithium-ion battery are in the form of coupled nonlinear PDEs. While these models are veryâ€¦ (More)

Elliptic partial differential equations (PDEs) are frequently used to model a variety of engineering phenomena, such as steady-state heat conduction in a solid, or reaction-diffusion type problems.â€¦ (More)

- Bharatkumar Suthar, Venkatasailanathan Ramadesigan, Sumitava De, Richard D. Braatz, Venkat R. Subramanian
- Physical chemistry chemical physics : PCCP
- 2014

The cost and safety related issues of lithium-ion batteries require intelligent charging profiles that can efficiently utilize the battery. This paper illustrates the application of dynamicâ€¦ (More)

Recent interest in lithium-ion batteries for electric and hybrid vehicles, satellite, defense, and military applications has increased the demand on the computational efficiency of lithium-ionâ€¦ (More)

- Ravi N. Methekar, Paul W. C. Northrop, Kejia Chen, Richard D. Braatz, Venkat R. Subramanian
- Proceedings of the 2011 American Controlâ€¦
- 2011

The properties and chemical composition of the solid-electrolyte-interface (SEI) layer have been a subject of intense research due to their importance in the safety, capacity fade, and cycle life ofâ€¦ (More)

- Ravi N. Methekar, Venkatasailanathan Ramadesigan, J. Carl Pirkle, Venkat R. Subramanian
- Computers & Chemical Engineering
- 2011

Estimation of consistent initial conditions is very crucial for the successful solution of differentialâ€“algebraic equation (DAE) systems that arise in many fields of science and engineering. In thisâ€¦ (More)

- Matthew T. Lawder, Venkatasailanathan Ramadesigan, Bharatkumar Suthar, Venkat R. Subramanian
- Computers & Chemical Engineering
- 2015

Nonlinear differential-algebraic equations (DAE) are typically solved using implicit stiff solvers based on backward difference formula or RADAU formula, requiring a Newton-Raphson approach for theâ€¦ (More)