United Safety Acquires Allsalt Maritime
/PRNewswire/ -- United Safety, a global manufacturer of safety and survivability technology solutions, announced the acquisition of Allsalt Maritime closing on...
Source: prnewswire.com
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"A semi-active variable equivalent stiffness and inertance device imple" by Donghong Ning, Haiping Du et al.
Abstract Semi-active devices have been widely investigated and applied due to their advantages in control systems. However, for satisfying complicated applications, some semi-active devices need to be capable of controlling multiple mechanical properties, which is hard to implement with a mechanical network considering the space limitation. In this paper, a semi-active variable equivalent stiffness and inertance (VESI) device is developed by an electrical network and an electromagnetic device instead of a mechanical system. Due to that the inerter and spring can store energy, the dynamic cont...
Source: uow.edu.au