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This paper presents the mechanical design and control system design of an electromagnetic actuator-based microdisplacement module. The microdisplacement module composed of a symmetrical leaf-spring parallelogram mechanism and an electromagnetic actuator. The characteristics of the mechanism in terms of stiffness and natural frequencies are derived and verified. Both leakage flux and core inductance...
In recent years, biological micromanipulations emerge as a promising application in the micro/nano technology. Manual manipulation tends to have disadvantages of low success rate and low repeatability. In order to perform the robotic biomanipulations, a novel flexure-based Yθ large-workspace micromanipulator with differential lever displacement amplifier (DLDA) is proposed in this paper. After a series...
In recent years, piezo-actuated micro/nano positioning stages emerge as a significant tool in the nanotechnology. However, the shortcomings of small positioning stroke and hysteresis of piezoelectric actuators have constrained their further development and applications. In this paper, a novel piezo-actuated hydraulic displacement amplifier (PHDA) based on Pascal's law and area differential principle...
In recent years, robotic bio-manipulation emerges as a hot research topic in the micro/nano technology. In these applications, biological cell microinjection is a focus since it is a critical process for the further biological research such as genetic engineering and pharmacology research. This study aims to develop a novel robotic biomanipulation system combining with the micro-fluidic chip technology...
This paper addresses the problem of multiple Unmanned Aerial Vehicles (UAVs) cooperative searching for several moving targets with a hybrid method, which is named VFRH. This method is a combination of the virtual force method and the receding horizon method. Its main idea is that the virtual force method is used to help the receding horizon method improve searching efficiencies and reduce the computational...
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