Configuration Optimization for End-Point Stabilization of Redundant Manipulators With Base Flexibility

Author(s):  
Michael LiBretto ◽  
Yong K. Cho ◽  
Yong Han Ahn ◽  
Chang Soo Han ◽  
Jun Ueda

Abstract Publisher’s Note: This paper was selected for publication in ASME Letters in Dynamic Systems and Control. https://www.asmedigitalcollection.asme.org/lettersdynsys/article/doi/10.1115/1.4046684/1081845/Configuration-Optimization-for-End-Point

2020 ◽  
Vol 1 (2) ◽  
Author(s):  
Michael LiBretto ◽  
Yong Han Ahn ◽  
Chang Soo Han ◽  
Yong K. Cho ◽  
Jun Ueda

Abstract This paper presents a method to determine an optimal configuration of a teleoperated excavator to minimize the induced undercarriage oscillation for robust end-point stabilization. Treating the excavator as a kinematically redundant system, where non-unique combinations of the undercarriage position and arm posture can locate the end-point at the same reference. A specific configuration can be chosen to not excite undercarriage oscillation with simple end-point error feedback control without model-based or measurement-based vibration suppression. Robust stability measures based on normalized coprime factorization as well as modal decomposition solve the redundancy of the kinematics. An advantage of this approach is that the control engineer can proceed as if the excavator arm is fixed to rigid ground, which is practically not the case, and apply simple traditional Jacobian-based end-point control.


2021 ◽  
pp. 403-475
Author(s):  
Kostas Triantafyllopoulos

Author(s):  
Chi Jin ◽  
Anson Maitland ◽  
John McPhee

Abstract Publisher’s Note: This paper was selected for publication in ASME Letters in Dynamic Systems and Control. https://www.asmedigitalcollection.asme.org/lettersdynsys/article/doi/10.1115/1.4046395/1074688/Hierarchical-Nonlinear-Moving-Horizon-Estimation


Author(s):  
Michael T. Benson ◽  
Harish Sathishchandra ◽  
Garrett M. Clayton ◽  
Sean B. Andersson

Abstract Publisher’s Note: This paper was selected for publication in ASME Letters in Dynamic Systems and Control. https://www.asmedigitalcollection.asme.org/lettersdynsys/article/doi/10.1115/1.4046574/1075674/Compressive-Sensing-Based-Reconstruction-of


Author(s):  
Jihun Han ◽  
Dominik Karbowski ◽  
Namdoo Kim ◽  
Aymeric Rousseau

Abstract Publisher’s Note: This paper was selected for publication in ASME Letters in Dynamic Systems and Control. https://www.asmedigitalcollection.asme.org/lettersdynsys/article/doi/10.1115/1.4046575/1075675/Human-Driver-Modeling-Based-on-Analytical-Optimal


Author(s):  
Matilde D’Arpino ◽  
Massimo Cancian

Abstract Publisher’s Note: This paper was selected for publication in ASME Letters in Dynamic Systems and Control. https://www.asmedigitalcollection.asme.org/lettersdynsys/article/doi/10.1115/1.4046579/1075680/Lifetime-Optimization-for-a-Grid-Friendly-DC-Fast


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