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Passive walking emerges autonomously on a slight slope without an external input of energy. It is known that the walking motion on a steep slope evolves into a chaotic motion. In this paper a biped model for walking and running is presented, and a strategy is proposed to expand the range of...
To cope with the increasing high precision requirement in many applications of ball-screw-driven stages, system dynamic behaviour under friction force should be carefully investigated, especially in the presliding friction regime. Presliding friction has many special characteristics such as...
This paper describes the identification of nonlinear dynamic systems with a Gaussian process (GP) prior model. This model is an example of the use of a probabilistic non-parametric modelling approach. GPs are flexible models capable of modelling complex nonlinear systems. Also, an attractive...
Power systems are capable of exhibiting complex dynamics. Sometimes critical ones are, e.g. nonlinear incidents like collapse and swing phenomena. Many efforts are made by researchers and operators in order to prevent and dominate these undesirable effects. It is well known that parameter...
This paper deals with the stabilizing effect of diffusion on a prey – predator system where the prey population is infected by a microparasite. The predator functional response is a concave-type function. Conditions for the local as well as global stability of the model without diffusion are...
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