Optimal-efficiency constant-speed control of nonlinear variable reluctance motor drives. - David A. Torrey (1988)

Practical application of backstepping nonlinear current control to a switched-reluctance motor. - Muthana T. Alrifai; Joe H. Chow; David A. Torrey (ACC, 2000)

Switched reluctance generators and their control. - David A. Torrey (IEEE Trans. Ind. Electron., 2002)