Analysis of Tremor During Grasp Using Ultrasound Imaging: Preliminary Study. - Ashwin Iyer; Zhiyu Sheng; Qiang Zhang 028; Kang Kim; Nitin Sharma 001 (BioRob, 2020)

Volitional Contractility Assessment of Plantar Flexors by Using Non-invasive Neuromuscular Measurements. - Qiang Zhang 028; Ashwin Iyer; Kang Kim; Nitin Sharma 001 (BioRob, 2020)

Ultrasound Echogenicity-based Assessment of Muscle Fatigue During Functional Electrical Stimulation. - Qiang Zhang 028; Ashwin Iyer; Krysten Lambeth; Kang Kim; Nitin Sharma 001 (EMBC, 2021)

Evaluation of Non-Invasive Ankle Joint Effort Prediction Methods for Use in Neurorehabilitation Using Electromyography and Ultrasound Imaging. - Qiang Zhang 028; Ashwin Iyer; Kang Kim; Nitin Sharma 001 (IEEE Trans. Biomed. Eng., 2021)

An Online Actor-Critic Identifier with Sampled Fatigue Measurements for Optimal Adaptive Control of FES and an Electric motor. - Ashwin Iyer; Mayank Singh 013; Qiang Zhang 028; Ziyue Sun; Nitin Sharma 001 (CCTA, 2022)

Ultrasound Echogenicity as an Indicator of Muscle Fatigue during Functional Electrical Stimulation. - Qiang Zhang 028; Ashwin Iyer; Krysten Lambeth; Kang Kim; Nitin Sharma 001 (Sensors, 2022)

Cooperative Control of a Hybrid Exoskeleton Using Optimal Time Varying Impedance Parameters During Stair Ascent. - Ashwin Iyer; Mayank Singh 013; Nitin Sharma 001 (ACC, 2023)

Koopman-based Data-driven Model Predictive Control of Limb Tremor Dynamics with Online Model Updating: A Theoretical Modeling and Simulation Approach. - Xiangming Xue; Ashwin Iyer; Nitin Sharma 001 (ACC, 2023)

Nonlinear System Identification of Tremors Dynamics: A Data-driven Approximation Using Koopman Operator Theory. - Xiangming Xue; Ashwin Iyer; Daniel Roque; Nitin Sharma 001 (NER, 2023)

Continuous Switching Control of an Input-Delayed Antagonistic Muscle Pair During Functional Electrical Stimulation. - Ziyue Sun; Tianyi Qiu; Ashwin Iyer; Brad E. Dicianno; Nitin Sharma 001 (IEEE Trans. Control. Syst. Technol., 2023)

Ultrasound Imaging-Based Closed-Loop Control of Functional Electrical Stimulation for Drop Foot Correction. - Qiang Zhang 028; Krysten Lambeth; Ashwin Iyer; Ziyue Sun; Nitin Sharma 001 (IEEE Trans. Control. Syst. Technol., 2023)

Quantifying Functional Electrical Stimulation-Induced Fatigue via Ultrasound for Hybrid Neuroprosthesis-Based Walking. - Krysten Lambeth; Ashwin Iyer; Nitin Sharma 001 (BioRob, 2024)

Dynamic Active Subspaces for Model Predictive Allocation in Over-Actuated Systems. - Mayank Singh 013; Krysten Lambeth; Ashwin Iyer; Nitin Sharma 001 (IEEE Control. Syst. Lett., 2024)

Real-Time Ultrasound Imaging of a Human Muscle to Optimize Shared Control in a Hybrid Exoskeleton. - Ashwin Iyer; Ziyue Sun; Krysten Lambeth; Mayank Singh 013; Christine Cleveland; Nitin Sharma 001 (IEEE Trans. Robotics, 2024)

Ultrasound Imaging Triggered Tremor Suppression With Personalized Afferent Stimulation Frequency. - Ashwin Iyer; Xiangming Xue; Vidisha Ganesh; Xiaoning Jiang; Caterina M. Gallippi; Daniel Roque; Nitin Sharma 001 (IEEE Trans. Biomed. Eng., 2025)