130 citations · 150 across the 12 of their papers we have counts for
12 papers
A Direct Slip Ratio Estimation Method based on an Intelligent Tire and Machine Learning
Nan Xu, Zepeng Tang, Hassan Askari +2
Accurate estimation of the tire slip ratio is critical for vehicle safety, as it is necessary for vehicle control purposes. In this paper, an intelligent tire system is presented t…
Soft Constrained Autonomous Vehicle Navigation using Gaussian Processes and Instance Segmentation
Bruno H. Groenner Barbosa, Neel P. Bhatt, Amir Khajepour +1
This paper presents a generic feature-based navigation framework for autonomous vehicles using a soft constrained Particle Filter. Selected map features, such as road and landmark…
Modeling, Vibration Control, and Trajectory Tracking of a Kinematically Constrained Planar Hybrid Cable-Driven Parallel Robot
Ronghuai Qi, Amir Khajepour, William W. Melek
This paper presents a kinematically constrained planar hybrid cable-driven parallel robot (HCDPR) for warehousing applications as well as other potential applications such as rehab…
Workspace Analysis and Optimal Design of Cable-Driven Parallel Robots via Auxiliary Counterbalances
Ronghuai Qi, Hamed Jamshidifar, Amir Khajepour
Cable-driven parallel robots (CDPRs) are widely investigated and applied in the worldwide; however, traditional configurations make them to be limited in reaching their maximum wor…
Redundancy Resolution and Disturbance Rejection via Torque Optimization in Hybrid Cable-Driven Robots
Ronghuai Qi, Amir Khajepour, William W. Melek
This paper presents redundancy resolution and disturbance rejection via torque optimization in Hybrid Cable-Driven Robots (HCDRs). To begin with, we initiate a redundant HCDR for n…
Tire Force Estimation in Intelligent Tires Using Machine Learning
Nan Xu, Hassan Askari, Yanjun Huang +2
The concept of intelligent tires has drawn attention of researchers in the areas of autonomous driving, advanced vehicle control, and artificial intelligence. The focus of this pap…
Lateral Force Prediction using Gaussian Process Regression for Intelligent Tire Systems
Bruno Henrique Groenner Barbosa, Nan Xu, Hassan Askari +1
Understanding the dynamic behavior of tires and their interactions with road plays an important role in designing integrated vehicle control strategies. Accordingly, having access…
Generalized Flexible Hybrid Cable-Driven Robot (HCDR): Modeling, Control, and Analysis
Ronghuai Qi, Amir Khajepour, William W. Melek
This paper presents a generalized flexible Hybrid Cable-Driven Robot (HCDR). For the proposed HCDR, the derivation of the equations of motion and proof provide a very effective way…
Efficient electrochemical model for lithium-ion cells
Sepideh Afshar, Kirsten Morris, Amir Khajepour
Lithium-ion batteries are used to store energy in electric vehicles. Physical models based on electro-chemistry accurately predict the cell dynamics, in particular the state of cha…
Cooperative Vehicle Speed Fault Diagnostics and Correction
Mohammad Pirani, Ehsan Hashemi, Amir Khajepour +3
Reliable estimation (or measurement) of vehicle states has always been an active topic of research in the automotive industry and academia. Among the vehicle states, vehicle speed…
A Graph Theoretic Approach to the Robustness of k-Nearest Neighbor Vehicle Platoons
Mohammad Pirani, Ehsan Hashemi, John W. Simpson-Porco +2
We consider a graph theoretic approach to the performance and robustness of a platoon of vehicles, where each vehicle communicates with its -nearest neighbors. In particular, we…
Convergence Rate for the Ordered Upwind Method
Alex Shum, Kirsten Morris, Amir Khajepour
The Ordered Upwind Method (OUM) is used to approximate the viscosity solution of the static Hamilton-Jacobi-Bellman (HJB) with direction-dependent weights on unstructured meshes. T…