Analysis and design of WHECON - An attitude control concept

Dougherty, H.; Rodden, J.

doi:10.2514/6.1968-461

Cited by 28 publications

(1 citation statement)

References 2 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…2 These systems provide convenient roll offset pointing capability, rapid nutation damping, and, in general, yield better pointing accuracy with less thruster activity than the single-axis (pitch) momentum storage systems derived from WHECON. 3 Twoaxis momentum storage systems are used on the synchronous spacecraft TDRSS and INSAT.…”

Section: Introductionmentioning

confidence: 99%

Magnetic desaturation of a momentum bias system

Lebsock

1983

Journal of Guidance, Control, and Dynamics

View full text Add to dashboard Cite

A simple observer and controller has been formulated for a low bandwidth yaw attitude control loop on a synchronous orbit momentum bias spacecraft. Operation of the system is entirely autonomous, with the only external reference required being a measurement of the spacecraft roll attitude. Low-level torque actuation is provided by a single magnetic coil that is mounted in the spacecraft body at an arbitrary orientation in the roll/yaw plane. This control system design provides much better pointing accuracy and rate stability for a given bias momentum than previous techniques. Simulated performance during a magnetic storm is presented for a Vee-Wheel momentum bias configuration. The properties of the geomagnetic field at synchronous altitude that are pertinent to spacecraft attitude control system design are described in the Appendix.

show abstract

Section: Introductionmentioning

confidence: 99%