8.19.2025 Rav Sah presented the paper "Motion control of a propel circuit testbed for the Hybrid Hydraulic-Electric Architecture (HHEA)" at the FPMC track of the ASME IDETC-CIE conference in Anaheim, CA.
6.12.2025 Zihao Chen successfully defended his PhD thesis: "Modeling, Estimation and Control of Wave Energy Converters". Congratulations, Dr. Chen!
6.2025 The U.S. Patent Office issued the patent: P. Y. Li and E. Sand, "Axial Piston Variable Displacement Hydraulic Devices, Such As Hydraulic Motors, And Methods Of Operating Same”, U.S. Patent 12,320,412 B2, (filed 9.7.2023, granted 6.3.2025).
6.2025 Perry Li presented the keynote speech "Combining Digital Hydraulics with Electrification" at the 19th Scandinavian International Conference on Fluid Power (SICFP 25) held at Linköping University, Sweden.
6.2025 Perry Li presented the paper "An Inline Hydro-Mechanical Transmission (i-HMT) with a Rotatable Cam to Improve Efficiency" at the 19th Scandinavian International Conference on Fluid Power (SICFP 25), held at Linköping University, Sweden.
10.2024 Zihao Chen and Perry Li attended the MECC 2024 in Chicago, IL. Zihao presented the paper on the experimental validation of a wave field estimator.
9.2024 Perry Li started his 2-year term as Chair of the ASME Fluid Power Systems and Technology (FPST) Division.
9.2024 Jackson Wills and Perry Li attended the Bath/ASME Symposium on Fluid Power and Motion Control in Bath, UK. Jackson presented the paper on real-time rail selection algorithms and won the Best Presentation award.
8.2024 Zihao Chen, Jackson Wills, and Perry Li attended the UMERC-METS (The University Marine Energy Research Community and the Marine Energy Technology Symposium) conference in Duluth MN. Zihao presented two posters on a panel method for circular domain and on the experimental validation of wave field estimation algorithm, and Jackson made an oral presentation on hydraulic PTO comparison.
10.2023 Perry Li received the prestigious ASME Robert E. Koski Medal for advancements in fluid power at the ASME/Bath Symposium on Fluid Power and Motion Control (FPMC) in Sarasota FL. It is a great honor to follow the footsteps of fluid power luminaries and to receive the award personally from the family of Bob Koski, Founder of Sun Hydraulics.
9.2023 Ravi Sah and Mahmud Ibrahim have joined the research group as PhD students. Welcome, Ravi and Mahmud.
8.2023 Congratulations to Dr. Arpan Chatteejee for receiving his PhD degree. Arpan defended his dissertation - "Precise Motion Control of Hydraulic Hydraulic-Electric Architecture" in May 2023. He is now at Intuitive (previously Intuitive Surgical) in Sunnyvale, CA.
7.2023 Zachary Clark, Jonah Fuhrman, Dani Putra and Jacob Buksa have recently join our research group. Zachary, Jonah and Dani are u/g researchers, and Jacob is the Mechanical Engineer member of the HHEA project. Welcome!
7.1.2023 - Congratulations to Zihao Chen for winning the Sandia National Lab's FOSWEC Digital Twin Control Competition! Zihao designed a controller that captured the largest amount of energy for a Wave Energy Converter model. The prize is the opportunity to attend WEC DESIGN, MODELING, CONTROL, AND TESTING WORKSHOP to be held in Maryland in September 2023.
6.1.2023 - Our group presented two papers at the American Control Conference in San Diego.
H. Tranquillo, J. Sonstegard, K. Kim, C.-B. Kwoen, and P. Y. Li, "Online Learning and Control of An Internal Combustion Engine for UAS Using Simplex Tessellation and Recursive Least Squares", 2023 American Control Conference, San Diego, CA, May 2023.
Z. Chen, J. Wu, L. Shen, and P. Y. Li, "A Kalman Filter Approach to the Estimation and Reconstruction of Ocean Wave Fields", 2023 American Control Conference, San Diego, CA, May 2023.
5.29.2023 - Jack Sonestagard graduated with MSME. Title of his M.S. plan A thesis is "Advancing Engine Control Performance with Adaptive Feedforward Strategies". Jack works at Honeywell Aerospace in Plymouth, MN.