Battery discharge aware energy feasibility analysis

It is observed that pulsed discharge currents allow to drain the battery with a higher specific power. Thus they improve the batteries durability and discharge performance. The question is how can the allowed discharge of a battery be modeled. Embedded real-time systems often rely on batteries. For these systems it is necessary to prove both, real-time feasibility and the constraint to not exceed the allowed discharge currents. This paper presents a unified approach for both objectives using the flexible model of event streams, because it allows both to model a complex alloweddischarge curve and the real-time requirements for complex task stimuli. We present the model and the calculation of the allowed and requested discharge curves. Together with the known eventstream based real-time feasibility analysis this allows a unified analysis of both aspects of the system. This work enables the modeling of complex discharge requirements of batteries for real-time systems. Categories and ...

• Type: Conference
• Year: 2006
• Where: CODES
• Authors: Henrik Lipskoch, Karsten Albers, Frank Slomka
• Keywords: CODES 2006, Discharge Currents, Hardware-Software Codesign, Real-time, Real-time Feasibility