[Advances in Intelligent Systems and Computing] Advances in Artificial Intelligence, Software and Systems Engineering Volume 965 (Proceedings of the AHFE 2019 International Conference on Human Factors in Artificial Intelligence and Social Computing, the AHFE International Conference on Human Factors, Software, Service and Systems Engineering, and the AHFE International Conference of Human Factors in Energy, July 24-28, 2019, Washington D.C., USA) || Axonal Delay Controller for Spiking Neural Networks Based on FPGA