Analysis and design of I/O based variable structure adaptive control. - Liu Hsu; Aldayr Dantas de Araújo; Ramon R. Costa (IEEE Trans. Autom. Control., 1994)

Passive Arm Based Dynamic Positioning System for Remotely Operated Underwater Vehicles. - Liu Hsu; Ramon R. Costa; Fernando C. Lizarralde; José Paulo Vilela Soares da Cunha (ICRA, 1999)

Stable adaptive visual servoing for moving targets. - Liu Hsu; Ramon R. Costa; Paulo L. S. Aquino (ACC, 2000)

Dynamic positioning of remotely operated underwater vehicles. - Liu Hsu; Ramon R. Costa; Fernando C. Lizarralde; José Paulo Vilela Soares da Cunha (IEEE Robotics Autom. Mag., 2000)

Model-reference sliding mode control of uncertain multivariable systems. - Liu Hsu; José Paulo Vilela Soares da Cunha; Ramon R. Costa (CDC, 2001)

Multivariable MRAC using high frequency gain matrix factorization. - Alvaro K. Imai; Ramon R. Costa; Liu Hsu; Gang Tao; Petar V. Kokotovic (CDC, 2001)

Adaptive backstepping control design for MIMO plants using factorization. - Ramon R. Costa; Liu Hsu; Alvaro K. Imai; Gang Tao (ACC, 2002)

Design of first order approximation filters applied to sliding mode control. - José Paulo Vilela Soares da Cunha; Ramon R. Costa; Liu Hsu (CDC, 2003)

Multivariable adaptive control with transient overparametrization. - Liu Hsu; Ramon R. Costa; Alvaro K. Imai (CDC, 2003)

Variable structure model reference adaptive control for systems with unknown high frequency gain. - Lin Yan; Liu Hsu; Ramon R. Costa; Fernando C. Lizarralde (CDC, 2003)

Lyapunov-based adaptive control of MIMO systems. - Ramon R. Costa; Liu Hsu; Alvaro K. Imai; Petar V. Kokotovic (Autom., 2003)

Output-feedback model-reference sliding mode control of uncertain multivariable systems. - José Paulo Vilela Soares da Cunha; Liu Hsu; Ramon R. Costa; Fernando C. Lizarralde (IEEE Trans. Autom. Control., 2003)

Multivariable adaptive control using high-frequency gain matrix factorization. - Alvaro K. Imai; Ramon R. Costa; Liu Hsu; Gang Tao; Petar V. Kokotovic (IEEE Trans. Autom. Control., 2004)

Global tracking sliding mode control for uncertain nonlinear systems based on variable high gain observer. - Alessandro Jacoud Peixoto; Liu Hsu; Ramon R. Costa; Fernando C. Lizarralde (CDC, 2007)

Lyapunov/Passivity-Based Adaptive Control of Relative Degree Two MIMO Systems With an Application to Visual Servoing. - Liu Hsu; Ramon R. Costa; Fernando C. Lizarralde (IEEE Trans. Autom. Control., 2007)

A variable structure model reference robust control without a prior knowledge of high frequency gain sign. - Lin Yan; Liu Hsu; Ramon R. Costa; Fernando C. Lizarralde (Autom., 2008)

Design of First-Order Approximation Filters for Sliding-Mode Control of Uncertain Systems. - José Paulo Vilela Soares da Cunha; Ramon R. Costa; Liu Hsu (IEEE Trans. Ind. Electron., 2008)

Peaking free variable structure control of uncertain linear systems based on a high-gain observer. - José Paulo Vilela Soares da Cunha; Ramon R. Costa; Fernando C. Lizarralde; Liu Hsu (Autom., 2009)

Binary MIMO MRAC using a passifying multiplier - A smooth transition to sliding mode control. - Ivanko Yanque; Eduardo V. L. Nunes; Ramon R. Costa; Liu Hsu (ACC, 2012)

Kinematic control of robot manipulators using filtered inverse. - Lucas V. Vargas; Antonio C. Leite; Ramon R. Costa (MED, 2013)

Adaptive visual servoing scheme free of image velocity measurement for uncertain robot manipulators. - Fernando C. Lizarralde; Antonio C. Leite; Liu Hsu; Ramon R. Costa (Autom., 2013)

State of charge estimation and battery balancing control. - Andre Abido Figueiro; Alessandro Jacoud Peixoto; Ramon R. Costa (CDC, 2015)

Singularity and joint limits avoidance for parallel mechanisms using the Filtered Inverse method. - Antonio C. Leite; Ramon R. Costa (ACC, 2016)

Amplitude and mean value force control for fatigue testing machines operating at low frequency. - Diego Pereira-Dias; Alessandro Jacoud Peixoto; Alessandro S. de Lima; Ramon R. Costa; Oscar R. Mattos (ACC, 2016)

High precision trajectory planning on freeform surfaces for robotic manipulators. - Renan S. Freitas; Eduardo E. M. Soares; Ramon R. Costa; Breno B. Carvalho (IROS, 2017)

Super-Twisting Control with Quaternion Feedback for a 3-DoF Inertial Stabilization Platform. - Matheus F. Reis; Joao C. Monteiro; Ramon R. Costa; Antonio C. Leite (CDC, 2018)

Passivity-based Cascade Hybrid Pose/Force Robot Control. - Rodolpho Ribeiro; Liu Hsu; Ramon R. Costa; Fernando C. Lizarralde (CASE, 2019)

A Tale of Two Doses: Model Identification and Optimal Vaccination for COVID-19. - Raphael Chinchilla; Guosong Yang; Murat K. Erdal; Ramon R. Costa; João P. Hespanha 001 (CDC, 2021)

Body attitude regulator applied to ground robots with active flippers. - Filipe Augusto Santos Rocha; Gustavo Medeiros Freitas; Ramon R. Costa (ICAR, 2021)

Forecasting COVID-19 cases based on a parameter-varying stochastic SIR model. - João P. Hespanha 001; Raphael Chinchilla; Ramon R. Costa; Murat K. Erdal; Guosong Yang (Annu. Rev. Control., 2021)

Output-feedback binary adaptive control of MIMO systems using monitoring function. - Renato Borba Teixeira; Tiago Roux Oliveira; Ramon R. Costa; Liu Hsu (J. Frankl. Inst., 2021)

ROSI: A Robotic System for Harsh Outdoor Industrial Inspection - System Design and Applications. - Filipe A. S. Rocha; Gabriel Garcia; Raphael F. S. Pereira; Henrique D. Faria; Thales H. Silva; Ricardo Halfeld R. Andrade; Evelyn S. Barbosa; André Almeida; Emanuel Cruz; Wagner Andrade; Wenderson Gustavo Serrantola; Luiz Moura; et al. (J. Intell. Robotic Syst., 2021)

Model-reference adaptive control with high-order parameter tuners. - Ramon R. Costa (ACC, 2022)

Cooperative-PHD Tracking Based on Distributed Sensors for Naval Surveillance Area. - Kleberson Meireles de Lima; Ramon Romankevicius Costa (Sensors, 2022)

Body Posture Controller for Actively Articulated Tracked Vehicles Moving Over Rough and Unknown Terrains. - Filipe Rocha; André Cid; Mário Delunardo; Renato P. Junior; Nilton S. Thiago Neto; Luiz Barros; Jacó Domingues; Gustavo Pessin; Gustavo Medeiros Freitas; Ramon R. Costa (IROS, 2023)

High-Gain Functional Observer Based Output-Feedback Sliding-Mode Control with Chattering Avoidance*. - Liu Hsu; José Paulo V. S. Cunha; Tiago Roux Oliveira; Eduardo V. L. Nunes; Alessandro Jacoud Peixoto; Fernando C. Lizarralde; Ramon R. Costa (VSS, 2024)

Least-squares model-reference adaptive control with high-order parameter tuners. - Ramon R. Costa (Autom., 2024)

Arbitrarily Fast Tracking Multivariable Least-squares MRAC. - Liu Hsu; Ramon R. Costa; Fernando C. Lizarralde; Alessandro Jacoud Peixoto (CoRR, 2024)

Nyquist criterion for chattering avoidance and global stability in observer-based sliding-mode control with parasitics. - Liu Hsu; José Paulo V. S. Cunha; Ramon R. Costa; Fernando C. Lizarralde; Eduardo Vieira Leão Nunes; Tiago Roux Oliveira; Alessandro Jacoud Peixoto (J. Frankl. Inst., 2024)

NeoSLAM: Long-Term SLAM Using Computational Models of the Brain. - Carlos Alexandre Pontes Pizzino; Ramon Romankevicius Costa; Daniel Mitchell; Patrícia Amâncio Vargas (Sensors, 2024)