Abstract
In this article a procedure is presented for the analytical synthesis of optimal vibration isolation for a hand-arm system subjected to stochastic excitation. A general approach is discussed for a selected vibration isolation criterion. The general procedure is illustrated by analytical examples for different hand-arm systems described by their driving-point impedances. The influence of particular forms of excitation and the structure of the vibroisolated hand-arm systems on the resultant vibration isolation is then discussed. Some numerical examples illustrating the procedure have also been included.
Highlights
The hand-ann system (HAS) is one of the most important biomechanical structures of the human body
The medical approach concerns such symptoms of the influence of vibration on the HAS as Reynauld's syndrome, perturbation in the vascular and nervous systems, elasticity, and forces developed by muscles, strength of bones, smooth functioning of articulations and joints, and peripheral neurological disorders and many other
Medical approaches usually result in general recommendations concerning vibration isolation of the HAS
Summary
The hand-ann system (HAS) is one of the most important biomechanical structures of the human body. Vibrating tools in manufacturing processes, mining, and other branches of industry where hands and fingers grasp or push vibrating objects are the principal causes of hand injuries due to severe vibration. A wide range of vibrating objects can bring about such magnitudes of acceleration, which jointly with the exposure time produce observable injurious effects. The three principal approaches to the problem of the influence of vibration on the human body may be specified as medical, engineering, and interdisciplinary. The medical approach concerns such symptoms of the influence of vibration on the HAS as Reynauld's syndrome, perturbation in the vascular and nervous systems, elasticity, and forces developed by muscles, strength of bones, smooth functioning of articulations and joints, and peripheral neurological disorders and many other. Medical approaches usually result in general recommendations concerning vibration isolation of the HAS
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