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Mapping arbitrary mathematical functions and dynamical systems to neuromorphic VLSI circuits for spike-based neural computation

机译:将任意数学函数和动力学系统映射到神经形态VLSI电路以进行基于峰值的神经计算

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Brain-inspired, spike-based computation in electronic systems is being investigated for developing alternative, non-conventional computing technologies. The Neural Engineering Framework provides a method for programming these devices to implement computation. In this paper we apply this approach to perform arbitrary mathematical computation using a mixed signal analog/digital neuromorphic multi-neuron VLSI chip. This is achieved by means of a network of spiking neurons with multiple weighted connections. The synaptic weights are stored in a 4-bit on-chip programmable SRAM block. We propose a parallel event-based method for calibrating appropriately the synaptic weights and demonstrate the method by encoding and decoding arbitrary mathematical functions, and by implementing dynamical systems via recurrent connections.
机译:目前正在研究以大脑为灵感的电子系统中基于峰值的计算,以开发替代的非常规计算技术。神经工程框架提供了一种对这些设备进行编程以实现计算的方法。在本文中,我们将这种方法用于使用混合信号模拟/数字神经形态多神经元VLSI芯片执行任意数学计算。这是通过具有多个加权连接的尖峰神经元网络来实现的。突触权重存储在一个4位片上可编程SRAM块中。我们提出了一种基于事件的并行方法,用于适当地校准突触权重,并通过编码和解码任意数学函数,以及通过循环连接实现动态系统来演示该方法。

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