An analytical solution for a zero vibration input shaper for systems with Coulomb friction. - Jason Lawrence; William Singhose; Keith Hekman (ACC, 2002)

Input shaping with Coulomb friction compensation on a solder cell machine. - Keith Hekman; William Singhose; Jason Lawrence (ACC, 2004)

Feedback control for suppression of crane payload oscillation using on-off commands. - Keith Hekman; William E. Singhose (ACC, 2006)

Intelligent process modelling using Feed-Forward Neural Networks. - Mohamed H. Gadallah; Khaled Abdel Hamid El-Sayed; Keith Hekman (Int. J. Manuf. Technol. Manag., 2010)

Finite-State Input Shaping. - Khalid L. Sorensen; Keith Hekman; William E. Singhose (IEEE Trans. Control. Syst. Technol., 2010)