SpaceOps 2016 Conference 2016
DOI: 10.2514/6.2016-2601
|View full text |Cite
|
Sign up to set email alerts
|

Estimator for Spacecraft Mass Property and Momentum Actuator Alignment under Influence of External Torque

Abstract: This paper presents an estimation scheme of mass property and momentum actuator alignment of the rigid-body spacecraft with considering external torque. In many previous researches, it is assumed that external torque acts on a spacecraft is negligible. This assumption makes it feasible to build an estimator based on constant angular momentum vector of rigid-body spacecraft in inertial frame. However, the influence of external torque increases dramatically in low orbit Earth observation mission because of gravi… Show more

Help me understand this report

Search citation statements

Order By: Relevance

Paper Sections

Select...
3
2

Citation Types

0
7
0

Year Published

2018
2018
2018
2018

Publication Types

Select...
2

Relationship

0
2

Authors

Journals

citations
Cited by 2 publications
(7 citation statements)
references
References 7 publications
0
7
0
Order By: Relevance
“…The feedforward controller converts the desired trajectories to the corresponding torque inputs for the system actuators. This is achieved by using the non-linear dynamics of the system as described as T= [Φ] {Θ} [6,7] in Eqs. (3) to (5) showcasing the coupling of cross terms and is the matrix representation of the system dynamics which propagates the commanded trajectory as a torque command in the corresponding moment in time.…”
Section: Feed Forward Controlmentioning
confidence: 99%
See 3 more Smart Citations
“…The feedforward controller converts the desired trajectories to the corresponding torque inputs for the system actuators. This is achieved by using the non-linear dynamics of the system as described as T= [Φ] {Θ} [6,7] in Eqs. (3) to (5) showcasing the coupling of cross terms and is the matrix representation of the system dynamics which propagates the commanded trajectory as a torque command in the corresponding moment in time.…”
Section: Feed Forward Controlmentioning
confidence: 99%
“…Equation (3) represents the original feed-forward control equation presented by Slotine [8], Fossen [9], Sands [10], Byeon [6], and Lavretski [11] for control in an idealized system. In this instance the "adaptation" is gained by using an internal feedback loop using a PD control scheme from error between the commanded d ω  and ω d .…”
Section: Pd Adaptationmentioning
confidence: 99%
See 2 more Smart Citations
“…The feedforward controller converts the desired trajectories to the corresponding torque inputs for the system actuators. This is achieved by using the non-linear dynamics of the system as described as T= [Φ] {Θ} [6,7] in Eqs. 3to 5showcasing the coupling of cross terms and is the matrix representation of the system dynamics which propagates the commanded trajectory as a torque command in the corresponding moment in time.…”
Section: Feed Forward Controlmentioning
confidence: 99%