Computer aided synthesis method for the configuration of the mechanical arm of face-shovel hydraulic excavator based on contracted graph and open loop kinematic …

J Ding, X Li, H Ding, W Yang - Mechanism and Machine Theory, 2024 - Elsevier
The design of the mechanical arm (MA) is one of the main factors that determine the
performance of a face-shovel hydraulic excavator. In this paper, a new design method for the …

A global approach for the redefinition of higher-order flexibility and rigidity

G Nawratil - arXiv preprint arXiv:2405.15447, 2024 - arxiv.org
The famous example of the double-Watt mechanism given by Connelly and Servatius raises
some problems concerning the classical definitions of higher-order flexibility and rigidity …