The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
This paper presents a novel technique for mapping and exploration using cooperating autonomous underwater vehicles. Rather than using the typical lawnmower sweep pattern to search an entire area, the proposed navigational plan involves guiding the formation directly towards each object of interest in turn, before arriving at a final goal position. This is achieved by the use of traditional artificial...
A tractor beam is a propagation invariant beam that pulls objects towards a light source. Here, an efficient tractor beam with improved stability is generated by illuminating a dielectric metasurface with a Gaussian beam.
The end of fully mechanized caving face is keystone and difficulty on protecting and managing the top. the effect on supporting the end of work face is very importment to mechanical and electrical machine, and very importment to workers' safety. The text analyze the problem of supporting the end at present, and Aiming at these problem, reach and manufact the fully mechanized caving face supporting...
The adaptive robust control (ARC) provides a good output tracking performance. However, the common mathematical model of a linear motor usually neglects some interference terms such as the ripple force. And the common simplified mathematical model of a linear motor may weaken the tracking accuracy performance. So, in this paper, we proposed a novel form based on ARC to achieve a high performance control...
Because of the particularity of its techniques, the remanufacturing parts and ordinary parts are very different from their machining and program method. Due to the CNC software of reconfigurable machine tools is expandable, the parametric CNC programming method is researched. Parametric CNC programming modules is sorted based on typical parts and machining techniques, which is used on CNC system of...
Capsule endoscopy plays a more and more important role in the diagnosis of diseases in gastro-intestinal (GI) tract. However, autonomic movement ability of the capsule endoscopy is needed in clinic urgently because of the defects of the passive capsule endoscope. We design a novel active capsule endoscopy (capsubot) called the “internal force-static friction” capsubot that moves in way of impact....
A capsule robot that moves utilizing the internal force between the shell and the sliding mass and the friction between the shell and the environment is named "internal force-static friction" capsubot. The new driving mode is used in the active gastrointestinal examination robot system, which is a novel and meaningful attempt. In this paper, for the operation mechanism and movement characteristics...
This paper concentrates on the development and evaluation of linear characteristics of a complex flexure hinge with high accuracy and large stiffness. The flexure hinge mechanism is used to clamp the shaft of a micropositioning stage based on the inchworm principle. Six key parameters of the flexure hinge are optimized by using finite element method. Developed flexure hinge has very good effects on...
The article presents a helpful trial on the design of capsule robots' actuators. A harmless, controllable driving mechanism is proved promising both by finite element analysis and by experiments in reality. In brief, the distinct actuator has obvious advantages when applied to practice, and provides an encouraging, effective chance to machinize the capsule robot.
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.