Academic literature on the topic 'Inchworm'

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Journal articles on the topic "Inchworm"

1

Chiang, Y. H., S. L. Tsai, S. R. Tee, et al. "Inchworm bipedal nanowalker." Nanoscale 10, no. 19 (2018): 9199–211. http://dx.doi.org/10.1039/c7nr09724g.

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2

Wells, William. "An inchworm unwinds." Genome Biology 1 (2000): spotlight—20000526–02. http://dx.doi.org/10.1186/gb-spotlight-20000526-02.

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3

Kloub, Hussam. "Initially Clamped Piezoelectric Inchworm Linear Motor Design Based on Force Amplification Mechanisms for Miniaturized and Large Force Actuation Applications." Proceedings 64, no. 1 (2020): 12. http://dx.doi.org/10.3390/iecat2020-08517.

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In this paper, a novel monolithic structural design of a piezoelectric (PZT) inchworm motor utilizing three force amplification mode (FAM) mechanisms is presented as an approach to overcome the design challenges of common PZT inchworm motors. A mechanical system model based on Simulink software was developed for a proposed inchworm motor design. The dynamic response of the motor was simulated at the moment of releasing the pre-stressed mechanism. The results showed a backlash response due to the mass acceleration of the mechanisms.
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4

Huang, Hu, Lu Fu, Hong Wei Zhao, and Cheng Li Shi. "Finite Element Simulations of an Inchworm Type Piezo-Driven Rotary Actuator." Advanced Materials Research 945-949 (June 2014): 1396–99. http://dx.doi.org/10.4028/www.scientific.net/amr.945-949.1396.

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The inchworm-driven actuator is an important type of piezo-driven actuators, which has high loading capacity, large motion range and high motion accuracy but involves complex structures, control and motion processes. In this paper, an inchworm type piezo-driven rotary actuator was introduced. Static and modal analyses of key units of the rotary actuator such as the clamping unit and the driving unit were carried out by finite element simulations to ensure that key units of the rotary actuator have enough strength and good dynamic characteristics. These simulation results will be helpful to imp
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5

Yao, Jianjun, Shuang Gao, Guilin Jiang, Thomas L. Hill, Han Yu, and Dong Shao. "Screw theory based motion analysis for an inchworm-like climbing robot." Robotica 33, no. 08 (2014): 1704–17. http://dx.doi.org/10.1017/s0263574714001003.

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SUMMARYTo obtain better performance on unstructured environments, such as in agriculture, forestry, and high-altitude operations, more and more researchers and engineers incline to study classes of biologically inspired robots. Since the natural inchworm can move well in various types of terrain, inchworm-like robots can exhibit excellent mobility. This paper describes a novel inchworm-type robot with simple structure developed for the application for climbing on trees or poles with a certain range of diameters. Modularization is adopted in the robot configuration. The robot is a serial mechan
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6

Liu, Qingyou, Yonghua Chen, Tao Ren, and Ying Wei. "Optimized inchworm motion planning for a novel in-pipe robot." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 228, no. 7 (2013): 1248–58. http://dx.doi.org/10.1177/0954406213502409.

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Modern society is fueled by very comprehensive grids of gas and liquid supply pipelines. The frequent inspection and maintenance of such pipeline grids is not a trivial task. It has been demonstrated that such task is best performed by using in-pipe robots. In this paper, a novel inchworm robot design and its optimized motion planning are presented. The proposed design uses a helical drive for both gripping and locomotion of the robot. The extension and retraction between inchworm segments are facilitated by conic springs as they can store strain energy. The proposed inchworm robot can also be
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7

Liu, Guojun, Yanyan Zhang, Jianfang Liu, et al. "An Unconventional Inchworm Actuator Based on PZT/ERFs Control Technology." Applied Bionics and Biomechanics 2016 (2016): 1–9. http://dx.doi.org/10.1155/2016/2804543.

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An unconventional inchworm actuator for precision positioning based on piezoelectric (PZT) actuation and electrorheological fluids (ERFs) control technology is presented. The actuator consists of actuation unit (PZT stack pump), fluid control unit (ERFs valve), and execution unit (hydraulic actuator). In view of smaller deformation of PZT stack, a new structure is designed for actuation unit, which integrates the advantages of two modes (namely, diaphragm type and piston type) of the volume changing of pump chamber. In order to improve the static shear yield strength of ERFs, a composite ERFs
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8

Roy, Rupam Gupta, and Dibyendu Ghoshal. "Grey Wolf Optimization-Based Second Order Sliding Mode Control for Inchworm Robot." Robotica 38, no. 9 (2019): 1539–57. http://dx.doi.org/10.1017/s0263574719001620.

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SUMMARYThe flexible motion of the inchworm makes the locomotion mechanism as the prominent one than other limbless animals. Recently, the application of engineering greatly assists the inchworm locomotion to be applicable in the robotic mechanism. Due to the outstanding robustness, sliding mode control (SMC) has been validated as a robust control strategy for diverse types of systems. Even though the SMC techniques have made numerous achievements in several fields, some systems cannot be comfortably accepted as the general SMC approaches. Accordingly, this paper develops the Grey Wolf-Second o
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9

Ishikura, Michihisa, Kazuhito Wakana, Eijiro Takeuchi, Masashi Konyo, and Satoshi Tadokoro. "Design and Running Performance Evaluation of Inchworm Drive with Frictional Anisotropy for Active Scope Camera." Journal of Robotics and Mechatronics 24, no. 3 (2012): 517–30. http://dx.doi.org/10.20965/jrm.2012.p0517.

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This paper reports upon the design and evaluation of an inchworm drive based on frictional anisotropy for an Active Scope Camera (ASC), which is a snake-like rescue robot used in disaster-affected areas. The conventional ASC is mounted on a ciliary vibration drive and can search under rubble. It has been found, however, that there are some situations in which the vibration drive performs weakly, such as on soft or rough road surfaces. In this paper, the authors propose an inchworm drive with an ASC. The inchworm drive developed in this research shows a running performance that resolves some of
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10

Ohnishi, Kazumasa, Mikio Umeda, Minoru Kurosawa, and Sadayuki Ueha. "Rotary inchworm-type piezoelectric actuator." IEEJ Transactions on Industry Applications 110, no. 1 (1990): 51–58. http://dx.doi.org/10.1541/ieejias.110.51.

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