This paper presents analytical and experimental investigations on the elastodynamic control of a four-bar mechanism system with a flexible coupler link retrofitted with a collocated piezo electric sensor actuator pair using P-Like Fuzzy logic control (FLC). A major advantage of FLC is that the controller can be designed without having a model of the system. The four-bar mechanism will be operated close to its fundamental natural frequency, considered to be the major contributor to the system response. Damping the low frequency vibrations is essential to realize light weight flexible mechanisms for viable industrial applications. The viability of the controller design is assessed by comparing the experimental results with those obtained by simulation.
The objective of this chapter is to provide an overview of existing portable medical devices. The chapter then focuses on portable automated agitation detection. The design and prototyping of a device capable of portable wireless agitation detection is detailed. In addition, the agitation detection algorithm, which uses Support Vector Machines (SVM) based on the measurement of skin conductivity, skin temperature, and inter-beat interval, is described. Experimental results pertaining to the performance of the device and the agitation detection are provided. The chapter concludes with challenges to the development of medical portable devices in general and to agitation detection specifically. Some potential future research directions are highlighted.
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