Design and stability analysis of the gear-type mobile mechanism with a single actuator

被引:0
作者
Kan Shi
Jianglong Tang
Jiachao Liu
Liang Yuan
机构
[1] Shandong University of Science and Technology,College of Mechanical and Electronic Engineering
[2] Beijing University of Chemical Technology,College of Information Science and Technology
来源
Scientific Reports | / 14卷
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摘要
Gear mechanism transmits the motion and power of parallel axes, intersecting axes and staggered axes, which has been widely employed in production and life. Gear-type mobile mechanism is a type of robot that can achieve motion through gear transmission. Due to its unique motion mode, it can handle various tasks in certain unconventional environments, such as particularly steep surfaces. Cylindrical gear, bevel gear and non-cylindrical gear are taken as the main parts of the mechanism to form a novel research series, respectively. The models of gear-type mobile mechanism are established in this paper, and the degrees of freedom of the mechanism are briefly calculated based on the screw theory. Simultaneously, the influence of centroid trajectory on motion stability is discussed to solve the possible problem that opposite rotation occur during the movement. Furthermore, the trajectory model of zero moment point is calculated considering the motion of the gear-type mobile mechanism. After that, the simulation and experimental analysis of its motion capability show that the gear-type mobile mechanism has excellent characteristics in stability, flexibility and continuity.
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