John E. A. Bertram

Control System Analysis and Design Via the “Second Method” of Lyapunov: I—Continuous-Time Systems

R. E. Kalman, John E. A. Bertram · Journal of Basic Engineering · 1960 · 782 citations

Natural Sciences, Mathematics, Systems Engineering +17

A collisional model of the energetic cost of support work qualitatively explains leg sequencing in walking and galloping, pseudo-elastic leg behavior in running and the walk-to-run transition

Andy Ruina, John E. A. Bertram, Manoj Srinivasan · Journal of Theoretical Biology · 2005 · 447 citations

Education, Kinesiology, Biomechanics +16

Multiple Walking Speed–frequency Relations are Predicted by Constrained Optimization

John E. A. Bertram, Andy Ruina · Journal of Theoretical Biology · 2001 · 380 citations

Natural Sciences, Mechanical Engineering, Optimization +9

Control System Analysis and Design Via the “Second Method” of Lyapunov: II—Discrete-Time Systems

R. E. Kalman, John E. A. Bertram · Journal of Basic Engineering · 1960 · 337 citations

Natural Sciences, Mathematics, Systems Engineering +17

Unweathered Wood Biochar Impact on Nitrous Oxide Emissions from a Bovine‐Urine‐Amended Pasture Soil

Timothy J. Clough, John E. A. Bertram, Jessica Louise Ray et al. · Soil Science Society of America Journal · 2010 · 281 citations · Full text

Agriculture, Agronomy, Soil Sciences +17