Dynamics and Control of Displaced Periodic Orbits Using Solar-Sail Propulsion

2006 ◽  
Vol 29 (3) ◽  
pp. 527-537 ◽  
Author(s):  
John Bookless ◽  
Colin McInnes
Keyword(s):  
Periodic Orbits ◽  
Solar Sail ◽  
Dynamics And Control ◽  
And Control

scholarly journals Dynamics and Switching Control of a Class of Underactuated Mechanical Systems with Variant Constraints

2019 ◽  
Vol 9 (20) ◽  
pp. 4235
Author(s):  
Tingting Su ◽  
Xu Liang ◽  
Guangping He ◽  
Taoming Jia ◽  
Quanliang Zhao ◽  
...  
Keyword(s):  
Periodic Orbits ◽  
Nonholonomic Systems ◽  
Switching Control ◽  
Underactuated Mechanical Systems ◽  
Modeling And Control ◽  
Constraint Systems ◽  
Hopping Robot ◽  
Real World Applications ◽  
Dynamics And Control ◽  
And Control

Locomotion systems with variant constraints are familiar in real world applications, but the dynamics and control issues of variant constraint systems have not been sufficiently discussed to date. From the viewpoint of Lagrange–d’Alembert equations with additional variable constraints, this paper investigates the modeling approaches of a class of hybrid dynamical systems (HDS) with instantaneously variant constraints and the switching control techniques of stabilizing the HDS to given periodic orbits. It is shown that under certain conditions there possibly exist zero impact periodic orbits in the HDS, and the HDS can be stabilized to the period-one orbits by a linear controller with only partial state feedback, even though the HDS are generally underactuated nonholonomic systems. As an example, a one-legged planar hopping robot is employed to demonstrate the main results of modeling and control of a class of HDS.

Attitude Dynamics and Control for a Solar Sail with Individually Controllable Elements

2019 ◽  
Vol 42 (7) ◽  
pp. 1622-1629
Author(s):  
Tong Luo ◽  
Chuang Yao ◽  
Ming Xu ◽  
Qingyu Qu
Keyword(s):  
Solar Sail ◽  
Attitude Dynamics ◽  
Dynamics And Control ◽  
And Control
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