FORMULATION OF THE TIME-VARYING FUNCTION OF MOMENTARY ENERGY INPUT TO A SINGLE-DEGREE-OF-FREEDOM SYSTEM USING FOURIER SERIES

2021 ◽  
Vol 21 (3) ◽  
pp. 3_28-3_47
Author(s):  
Kenji FUJII ◽  
Hideto KANNO ◽  
Tetsuya NISHIDA
Keyword(s):  
Fourier Series ◽  
Energy Input ◽  
Degree Of Freedom ◽  
Time Varying ◽  
Single Degree Of Freedom ◽  
Single Degree

Resonance Classification in a Cubic System

1971 ◽  
Vol 38 (3) ◽  
pp. 585-590 ◽  
Author(s):  
D. J. Ness
Keyword(s):  
Stability Analysis ◽  
Parametric Excitation ◽  
Degree Of Freedom ◽  
Time Varying ◽  
Single Degree Of Freedom ◽  
Weakly Nonlinear ◽  
Single Degree ◽  
Resonance Phenomena ◽  
Cubic System

A weakly nonlinear, single-degree-of-freedom cubic system subject simultaneously to a time-varying force and parametric excitation is considered. The various types of resonance phenomena exhibited by the system are classified and a detailed stability analysis is presented for one case of particular interest.

Kinematic comparison of single degree-of-freedom robotic gait trainers

2021 ◽  
Vol 159 ◽  
pp. 104258
Author(s):  
Jeonghwan Lee ◽  
Lailu Li ◽  
Sung Yul Shin ◽  
Ashish D. Deshpande ◽  
James Sulzer
Keyword(s):  
Degree Of Freedom ◽  
Single Degree Of Freedom ◽  
Single Degree ◽  
Robotic Gait
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