Non-orthogonal six-rod satellite communication in motion servo system and control method

US9541913B2 · kind B2 · utility

Assignee

• BEIJING AEROSPACE WANDA HI-TECH LTD. · CN

Inventors

• Junliang Shi · Lo Wu, CN
• Shulun Zhao · Beijing, CN
• Jizhuo Men · Beijing, CN
• Yi Xin · Beijing, CN
• Yuanhang Chen · Beijing, CN
• Ruixin Feng · Beijing, CN
• Yi Xu · Zhenjiang, CN

Key dates

• Filing date: Jun 30, 2014
• Grant date: Jan 10, 2017
• Expiry date: Jun 30, 2034

Classification

• Technology area (CPC G): Physics
• CPC primary: G05B2219/40242
• WIPO field: Control
• WIPO sector: Instruments

Abstract

A non-orthogonal six-rod satellite communication in motion servo system and a control method. The system comprises a measurement feedback unit, a control unit, a drive unit and a servo antenna, wherein the measurement feedback unit further comprises an azimuth angle encoder, a pitch position encoder, a roll position encoder, a polarization angle encoder and a data collection card; the control unit further comprises an ACU, a strapdown inertial measurement unit and a six-axis movement control and drive module; and the drive unit further comprises a linear motor, an azimuth turbine worm, a polarization turbine worm and an electric push rod, wherein the linear motor further comprises a first linear motor and a second linear motor; and the electric push rod further comprises a first electric push rod, a second electric push rod, a third electric push rod and a fourth electric push rod.