Identification of Dynamic Ankle Stiffness during Time-Varying Conditions Diego L. Guarin Feb 1, 2017 Joint Stiffnes PDF Joint Stiffness System Identification Diego L. Guarin Assistant Professor Biomedical Engineering My research interests include computational neuroscience, human motor disorders, and application of artificial intelligence to health care. Related Estimation of time-varying, intrinsic and reflex dynamic joint stiffness during movement. Application to the ankle joint Parametric methods for identification of time-invariant and time-varying joint stiffness models Time-varying identification of ankle dynamic joint stiffness during movement with constant muscle activation Identification of a parametric, discrete-time model of ankle stiffness Identification of a time-varying, box-jenkins model of intrinsic joint compliance