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This paper reports on the design and control of a novel large-range micro-injector which is used for biological cell micro-injection. The device is actuated by one smart piezoelectric (PZT) actuator. The injector can not only provide the large-range displacement but also a tiny shape that can be assembled under the usual microscope system conveniently. The output of the device is amplified by a bridge-type...
This paper presents the design and analysis of a new large-range micro-gripper which is constructed using flexure hinges. The gripper is actuated by only one piezoelectric stack actuator (PSA) and the output of the grip arm is approximately rectilinear movement, because the displacement of nonworking direction is extremely small. In order to achieve a large gripping range, a dual-stage amplifier is...
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