Pilwon Hur, Kenneth Chao, and Victor Christian Paredes Cauna, Unification of Bipedal Robotic Walking using Quadratic Program-based Control Lyapunov Function: Applications to Regulation of ZMP and Angular Momentum, In Dan Zhang (Ed.) Adaptive Control for Robotic Manipulators CRC Press/Taylor & Francis Group, 2017, ISBN 9781498764872 [pdf] [link]
Pilwon Hur, Understanding the human postural control system: Mathematical Methods to Quantify the Human Postural Control System and the Applications, LAMBERT Academic Publishing, 2012, ISBN: 978-3-8484-8495-9 [pdf] [link]