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Iterative Youla-Kucera Loop Shaping For Precision Motion Control
This paper presents a numerically robust approach to multi-band disturbance rejection using an iterative Youla-Kucera parameterization …
Xiaohai Hu
,
Jason Laks
,
Guoxiao Guo
,
Xu Chen
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Learning to Detect Slip through Tactile Estimation of the Contact Force Field and its Entropy Properties
Slip detection during object grasping and manipulation plays a vital role in object handling. Visual feedback can help devise a …
Xiaohai Hu
,
Aparajit Venkatesh
,
Yusen Wan
,
Guiliang Zheng
,
Neel Anand Jawale
,
Navneet Kaur
,
Xu Chen
,
Paul Birkmeyer
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Agile Surface Inspection Framework for Aerospace Components Using Unsupervised Machine Learning
Quality Control is an important step in manufacturing machined parts, especially complex, customized parts for safety critical systems …
Arun Nandagopal
,
Abhishek Kulkarni
,
Colin Acton
,
Krithika Manohar
,
Xu Chen
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Learned Slip-Detection-Severity Framework using Tactile Deformation Field Feedback for Robotic Manipulation
Safely handling objects and avoiding slippage are fundamental challenges in robotic manipulation, yet traditional techniques often …
Neel Anand Jawale
,
Navneet Kaur
,
Elizabeth Amy Santoso
,
Xiaohai Hu
,
Xu Chen
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DOI
Optimal Loop Shaping and Disturbance Rejection Beyond the Nyquist Frequency using a Forward Model Disturbance Observer and Convex Optimization Based Filter Design
Loop shaping based on the disturbance observer (DOB) offers great flexibility in designing a control system’s closed-loop …
Thomas Chu
,
Xiaohai Hu
,
Xu Chen
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DOI
State-Space System Identification beyond the Nyquist Frequency with Collaborative Non-Uniform Sensing Data
In a multirate sampled-data system encompassing a continuous-time process and multiple output samplers with different sampling periods, …
Xiaohai Hu
,
Thomas Chu
,
Xu Chen
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DOI
Understanding and Controlling the Sensitivity of Event Cameras in Responding to Static Objects
Event cameras are sensors that asynchronously measure the brightness change of each pixel with a microsecond-level time resolution. …
Qiyao Gao
,
Xiaoyang Sun
,
Zhitao Yu
,
Xu Chen
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Least Squares Solution for System Identification with Non-uniform Data under a Coprime Collaborative Sensing Scheme
This paper presents a least squares formulation and a closed-form solution for identifying dynamical systems using non-uniform data …
Jinhua Ouyang
,
Xu Chen
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DOI
Control-oriented Modeling and Learning of Fast 3-Dimensional Laser-material Interaction from 2-Dimensional Images
In this paper, we propose a hybrid convolutional neural network (CNN) architecture that can identify the melt pool width (MPW) and melt …
John Shim
,
Xu Chen
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A Mass-Transfer Based Approach to Model and Predict Volatile Organic Compound Emission from Selective Laser Sintering
Released during 3-dimensional (3D) printing polymeric parts and many other industrial processes, the volatile organic compounds (VOCs) …
Feifei Yang
,
Xu Chen
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DOI
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