Illustrated Blog on Embedded Software Architecture
Each battery(bank) has properties such as voltage and maximum load amperage and It also behaves differently (in our context of energy harvesting) depending on its state of charge (empty, half, full). To charge a battery efficiently and safely the (average) voltage and (average) load current must be measured, filtered and checked continuously. First thing a […]
Switching power between battery and dump load is an important functionality of a charge controller. Switching fast by means of PWM allows for efficient battery charging: the battery (bank) is charged with an appropriate algorithm (bulk, absorption, float, pulse) while unnecessary energy is diverted to a dump load. Since relays are not well-suited for fast PWM switching, […]
Introduction The core of our charge controller (PMD2) is essentially two switchable mosfet channels: one channel to load a battery (bank) and another channel to divert abundant energy to a dump load. Both channels can be switched on/off by software controlled PWM, and by configuring different PWM duty cycle ratios, we should be able: to […]
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Kris Bellemans is a software engineer employed at Sioux Embedded Systems, Belgium. He is passionate about low-level programming, embedded Linux and technology and science in general and has 4 years of experience in the field of software engineering. For more information, check his LinkedIn profile.
Patrice's professional tag cloud: anything mobile, software design, explorer, Enterprise Architecture, Agile Coach.
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Luc has more than twenty years of experience in embedded systems and real-time behavior. He is specialized in Operating Systems and interactions between hardware an software. Besides owning his company Luperco, he performs research on real-time scheduling at the Vrije Universiteit Brussel (VUB).
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