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Sensor-Fusion Neuroprosthetic Arm

Background and Motivation

Conventional processors, like CPUs and GPUs, are efficient in processing dense, synchronously delivered data structures, not sparse, asynchronous event streams. Throughput is maintained by keeping the instruction and data pipelines as full as possible, even at the cost of executing redundant computations on unchanging data [Ref].

Recently, a new generation of natively event-based neuromorphic processors has appeared that can operate on sensor event streams directly [Ref.]. These many-core systems instantiate large populations of spiking neurons in massively parallel, low-power hardware, and inherit all of the advantages of event-based sensors, such as efficient, data-driven resource consumption[ Ref.].

Processing latency can be as fast as the event propagation time through the longest chain of neurons, so a neural network running on these systems can react to a stimulus in tens of milliseconds, fast enough to identify quick motions like hand gestures in real-time.

Brain-Computer Interfaces (BCI) are emerging devices that enable users to interact with computers by means of brain-activity only, this activity is generally measured by EEG sensors. BCI has various application, such as in the field of multimedia, virtual reality or video games. BCI also has other applications, such as for paralysed people, where it can be the only means of communication with the external world.

From another hand, the neuromorphic computing paradigm promises to drastically improve critical computational tasks' efficiency, such as decision-making and perception. Unlike the typical artificial neural networks (ANNs) where neurons fire at each propagation cycle, the neurons in a neuromorphic neural networks model, named spiking neural network (SNNs), fire only when a membrane potential reaches a specific value. Spiking neurons are only activated when sufficient signals are integrated from other neurons, which leads to sparse neural activities at the network level.

Research Goal

The goal of this thesis is to Study of EMG Signal Processing and Classification Algorithm Towards the Development of Adaptive Anthropomorphic Robot Arm.

Research Schedule

DateTask
Oct 1 ~ Oct 30, 2020Complete running of ODIN for MNIST and Hand-gesture dataset
Oct 1 ~ Feb 28, 2021Survey of BCI, neuromorphic system and algorithms
Dec 1, 2020First draft submission deadline for ETLTC 2021
Feb 28, 2021Final draft submission deadline for ETLTC 2021
Mar 1 ~ Apr 30, 2021Propose new EMG and force classification algorithms
May 1 ~ June 30, 2021Implement new EMG and force classification algorithms
July 1 ~ Aug 31, 2021Evaluate new EMG and force classification algorithms
Sept 1 ~ Oct 31, 2021Create dataset
Nov 1 ~ Dec 31, 2021Integrate the developed algorithm with neuromorphic chip
Jan 1 ~ Feb 1, 2022Test the integrated neuromorphic chip for the dataset
Feb 2 ~ Mar 31, 2022Evaluate integrated neuromorphic chip
Apr 1 ~ Jul 31, 2022Write and submit a conference paper and journal paper
Aug 1 ~ Nov 30, 2022Study of different algorithms
Dec 1 ~ Dec 31, 2022Develop new signal processing algorithm
Jan 1 ~ Feb 1, 2023Write and submit a paper
Feb 2 ~ Feb 28, 2023Develop new classification and force algorithm
Mar 1 ~ Apr 30, 2023Integrate developed new algorithms with neuromorphic chip toward a neuromorphic arm
May 1 ~ May 31, 2023Evaluate the integrated neuromorphic chip
June 1 ~ July 31, 2023Write and submit a journal paper
Schedule last Updated on: October/16/2020

References


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