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Dive into the research topics where Defeng Liu is active.

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Featured researches published by Defeng Liu.


international conference on measuring technology and mechatronics automation | 2009

Modeling and Simulation of Multi-legged Walking Machine Prototype

Gang Wang; Lixun Zhang; Dongliang Chen; Defeng Liu; Xi Chen

In this paper, a scheme of multi-legged walking machine is put forward accordingly. The mechanical design of the legs and freedom arrangement of the eight legs have been assembled according to the bionics. Based on biologically inspired, we set freedom by abstracting walking leg structure of a crab. Also this design proved that the robot can overturn itself when it was overturned by surf or by other things. In this paper, single leg trajectory planning problem is discussed deeply through presenting the trajectory planning algorithm of polynomial approximation and the kinematics and dynamics of multi-legged robot is simulated using ADAMS.


Archive | 2007

Modular mechanical crab

Liquan Wang; Baofeng Li; Dongliang Chen; Huifeng Deng; Defeng Liu; Gang Wang


Archive | 2009

Reversible and amphibious multi-legged robot with variable postures

Liquan Wang; Defeng Liu; Dongliang Chen; Gang Wang; Lin Li; Xingke Mu; Xi Chen; Lei Wu


Archive | 2008

Amphibious mechanical crab step control device and control method

Dongliang Chen; Liquan Wang; Baofeng Ji; Huifeng Deng; Defeng Liu; Gang Wang


Archive | 2008

Robot joint based on harmonic wave speed reducer

Gang Wang; Baofeng Ji; Dongliang Chen; Defeng Liu; Huifeng Deng; Liquan Wang; Xi Chen


Archive | 2009

Multi-foot robot bionic elastic driving joint module

Dongliang Chen; Lin Li; Liquan Wang; Bo Yin; Xingke Mu; Defeng Liu; Gang Wang; Xi Chen; Lei Wu


Archive | 2008

Two-in-series elastic driver

Liquan Wang; Hongwen Ma; Bo Yin; Yang Song; Gang Wang; Dongliang Chen; Defeng Liu; Xingke Mu; Lin Li; Xi Chen


Archive | 2010

Home long-distance management device

Shoubo Jia; Hui Song; Dongliang Chen; Baofeng Li; Dongsheng Yang; Huifeng Deng; Defeng Liu


Archive | 2007

No-deceleration obstacle acrossing mechanism

Dongliang Chen; Liquan Wang; Defeng Liu; Wenming Wang; Baofeng Ji; Yunjiu She; Hui Song; Shoubo Jia; Huifeng Deng


Archive | 2010

Multi-foot robot pressure-spring limitation type elastic driving joint module

Xingke Mu; Xi Chen; Liquan Wang; Lin Li; Dongliang Chen; Bo Yin; Defeng Liu; Lei Wu; Gang Wang

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Dongliang Chen

Harbin Engineering University

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Gang Wang

Harbin Engineering University

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Liquan Wang

Harbin Engineering University

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Lixun Zhang

Harbin Engineering University

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