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Ph.D. Proposal Oral Exam - Jae Ha Kung
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Title:
Energy-efficient Digital Hardware for System Identification of Integrated Circuit Systems
Committee:
Dr. Mukhopahdyay, Advisor
Dr. Raychowdhury, Chair
Dr. Yalamanchili
Abstract:
The objective of the proposed research is to propose energy-efficient hardware to perform system identification on complex systems, specifically a nonlinear dynamic system. To do this, we first analyze a frequency-domain system identification method of a simple linear thermal system; multi-input and multi-output (MIMO) system. This simple example demonstrates how much system identification is an important problem in engineering domain. Then, we extend the system to be estimated into a nonlinear system, especially image processing (classification) or temporal sequence mapping (power pattern-workload). The system identification of such nonlinear systems can be successfully done by neural networks (feedforward or recurrent). To design energy-efficient neuromorphic hardware, we analyze the impact of hardware-induced error on the performance (accuracy) of several neural networks in either learning or inference. This algorithmic analysis is expanded to demonstrate energy-efficient digital neuromorphic hardware.
Status
- Workflow Status:Published
- Created By:Daniela Staiculescu
- Created:11/25/2015
- Modified By:Fletcher Moore
- Modified:10/07/2016
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