A novel ergodic sequential logic olfactory bulb model towards hardware-efficient electronic nose

In this study, a novel ergodic sequential logic (ESL) olfactory bulb model is presented. It is shown that the presented model can reproduce periodic and chaotic oscillations of the olfactory bulb. In addition, the ESL olfactory bulb model is implemented by a field programmable gate array and it is demonstrated that the presented model is much more hardware-efficient (i.e., consumes much less circuit elements and much lower power) than an ordinary differential equation ODE olfactory bulb model. Furthermore, the potential applications of the ESL olfactory bulb model for implantable prosthetic devices and olfactory system simulators are discussed.Clinical Relevance-The presented ESL olfactory bulb model would be useful to develop an implantable prosthetic device for the olfactory system and a hardware-based accelerator for large-scale olfactory system simulation.