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Design, analysis and passive balance...

Lakehead University (Canada).

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Design, analysis and passive balance control of a 7-DOF biped robot.

Record Type:	Language materials, printed : Monograph/item
Title/Author:	Design, analysis and passive balance control of a 7-DOF biped robot./
Author:	Li, Wenguang.
Description:	114 p.
Notes:	Source: Masters Abstracts International, Volume: 46-02, page: 1128.
Contained By:	Masters Abstracts International46-02.
Subject:	Engineering, Robotics. -
Online resource:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR31830
ISBN:	9780494318300

Design, analysis and passive balance control of a 7-DOF biped robot.
Li, Wenguang.

Design, analysis and passive balance control of a 7-DOF biped robot. - 114 p.

Source: Masters Abstracts International, Volume: 46-02, page: 1128.

Thesis (M.Sc.Eng.)--Lakehead University (Canada), 2007.

A 7-DOF biped is designed and built for experiments. Each joint has its own independent microcontroller-based control system. PD controllers are used to control the biped joints.

ISBN: 9780494318300Subjects--Topical Terms:

1018454
Engineering, Robotics.

Design, analysis and passive balance control of a 7-DOF biped robot.
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020 $a 9780494318300
035 $a (UMI)AAIMR31830
035 $a AAIMR31830
040 $a UMI $c UMI
100 1 $a Li, Wenguang. $3 1018783
245 1 0 $a Design, analysis and passive balance control of a 7-DOF biped robot.
300 $a 114 p.
500 $a Source: Masters Abstracts International, Volume: 46-02, page: 1128.
502 $a Thesis (M.Sc.Eng.)--Lakehead University (Canada), 2007.
520 $a A 7-DOF biped is designed and built for experiments. Each joint has its own independent microcontroller-based control system. PD controllers are used to control the biped joints.
520 $a Key Words: Biped, cubic Hermite interpolation, zero moment point, trajectory tracking, setpoint sampling time, control sampling time, PID, microcontroller
520 $a The setpoint sampling method and sampling rate for trajectory tracking control are investigated by studying sinusoidal curve tracking on a single link robot arm. Two control sampling time selection methods are introduced for digital controllers.
520 $a Biped robots have many advantages than traditional wheeled or tracked robots. They have better mobility in rough terrain and can travel on discontinuous path. The legs can also provide an active suspension that decouples the path of the trunk from the paths of the feet. Furthermore, the legs are able to step over considerably bigger obstacles compared to wheeled robots. However, it is difficult to maintain the balance of biped robots because they can easily tip over or slide down. To be able to walk stably, it is necessary for the robot to walk through a proper trajectory, which is the goal of this research.
520 $a In this research, a complete 7-DOF biped walking trajectory is planned based on human walking trajectory by cubic Hermite interpolation method. The kinematics and dynamic model of the biped are derived by Denavit-Hartenberg (D-H) representation and Euler-Lagrange motion equations, respectively. The zero moment point of the robot is simulated to check the stability of the walking trajectory.
520 $a Simulations are performed for the walking trajectory and zero moment point. Simulation results show that the walking trajectory is stable for the 7-DOF biped. Experiment results indicate that the sampling time is proper and the PID controller works well in both setpoint control and trajectory tracking. The experiment for the marching in place shows the trajectory is stable and the biped can balance during the marching process.
590 $a School code: 1099.
650 4 $a Engineering, Robotics. $3 1018454
690 $a 0771
710 2 $a Lakehead University (Canada). $3 1018578
773 0 $t Masters Abstracts International $g 46-02.
790 $a 1099
791 $a M.Sc.Eng.
792 $a 2007
856 4 0 $u http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=MR31830