IEEE Transactions on Very Large Scale Integration (VLSI) Systems
A predictive system shutdown method for energy saving of event-driven computation
ICCAD '97 Proceedings of the 1997 IEEE/ACM international conference on Computer-aided design
Voltage scheduling problem for dynamically variable voltage processors
ISLPED '98 Proceedings of the 1998 international symposium on Low power electronics and design
Low-power task scheduling for multiple devices
CODES '00 Proceedings of the eighth international workshop on Hardware/software codesign
Dynamic power management using adaptive learning tree
ICCAD '99 Proceedings of the 1999 IEEE/ACM international conference on Computer-aided design
A survey of design techniques for system-level dynamic power management
IEEE Transactions on Very Large Scale Integration (VLSI) Systems - Special section on low-power electronics and design
Dynamic voltage scaling and power management for portable systems
Proceedings of the 38th annual Design Automation Conference
Requester-aware power reduction
ISSS '00 Proceedings of the 13th international symposium on System synthesis
Dynamic Power Management: Design Techniques and CAD Tools
Dynamic Power Management: Design Techniques and CAD Tools
Power Aware Design Methodologies
Power Aware Design Methodologies
Leakage aware dynamic voltage scaling for real-time embedded systems
Proceedings of the 41st annual Design Automation Conference
Off-chip latency-driven dynamic voltage and frequency scaling for an MPEG decoding
Proceedings of the 41st annual Design Automation Conference
Proceedings of the 2003 IEEE/ACM international conference on Computer-aided design
Extending the lifetime of fuel cell based hybrid systems
Proceedings of the 43rd annual Design Automation Conference
High-level power management of embedded systems with application-specific energy cost functions
Proceedings of the 43rd annual Design Automation Conference
Everlast: long-life, supercapacitor-operated wireless sensor node
Proceedings of the 2006 international symposium on Low power electronics and design
Maximizing the lifetime of embedded systems powered by fuel cell-battery hybrids
Proceedings of the 2006 international symposium on Low power electronics and design
Dynamic power management with hybrid power sources
Proceedings of the 44th annual Design Automation Conference
Energy management of DVS-DPM enabled embedded systems powered by fuel cell-battery hybrid source
ISLPED '07 Proceedings of the 2007 international symposium on Low power electronics and design
Dynamic frequency scaling with buffer insertion for mixed workloads
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Battery-aware power management based on Markovian decision processes
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
On-chip hybrid power supply system for wireless sensor nodes
Proceedings of the 16th Asia and South Pacific Design Automation Conference
Smart power unit with ultra low power radio trigger capabilities for wireless sensor networks
DATE '12 Proceedings of the Conference on Design, Automation and Test in Europe
| Hi-index | 0.00 |
This article presents our work on the development of a fuel cell (FC) and battery hybrid (FC-Bh) system for use in portable microelectronic systems. We describe the design and control of the hybrid system, as well as a dynamic power management (DPM)-based energy management policy that extends its operational lifetime. The FC is of the proton exchange membrane (PEM) type, operates at room temperature, and has an energy density which is 4--6 times that of a Li-ion battery. The FC cannot respond to sudden changes in the load, and so a system powered solely by the FC is not economical. An FC-Bh power source, on the other hand, can provide the high energy density of the FC and the high power density of a battery. In this work we first describe the prototype FC-Bh system that we have built. Such a prototype helps to characterize the performance of a hybrid power source, and also helps explore new energy management strategies for embedded systems powered by hybrid sources. Next we describe a Matlab/Simulink-based FC-Bh system simulator which serves as an alternate experimental platform and that enables quick evaluation of system-level control policies. Finally, we present an optimization framework that explicitly considers the characteristics of the FC-Bh system and is aimed at minimizing the fuel consumption. This optimization framework is applied on top of a prediction-based DPM policy and is used to derive a new fuel-efficient DPM scheme. The proposed scheme demonstrates up to 32% system lifetime extension compared to a competing scheme when run on a real trace-based MPEG encoding example.