Guoliang Zhai

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A novel spatial parallel manipulator with two-translational and one-rotational degrees of freedom is represented in this paper. The mobility of the mechanism is analyzed and computed by use of the screw theory. The direct and the inverse analytical position solutions are derived and the veloctiy analysis are addressed. Since the Jacobian matrix, mapping the(More)
In a variety of agricultural activities, such as irrigation scheduling and nutrient management, soil water content is regarded as an essential parameter. Either power supply or long-distance cable is hardly available within field scale. For the necessity of monitoring soil water dynamics at field scale, this study presents a wireless soil moisture sensor(More)
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