NZ758963B2 - Electrostatic discharge mitigation for a first spacecraft operating in proximity to a second spacecraft and related methods - Google Patents

Electrostatic discharge mitigation for a first spacecraft operating in proximity to a second spacecraft and related methods Download PDF

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Publication number
NZ758963B2
NZ758963B2 NZ758963A NZ75896318A NZ758963B2 NZ 758963 B2 NZ758963 B2 NZ 758963B2 NZ 758963 A NZ758963 A NZ 758963A NZ 75896318 A NZ75896318 A NZ 75896318A NZ 758963 B2 NZ758963 B2 NZ 758963B2
Authority
NZ
New Zealand
Prior art keywords
spacecraft
electrostatic discharge
space
space vehicle
compliant members
Prior art date
Application number
NZ758963A
Other versions
NZ758963A (en
Inventor
Burton Christina Agathon
Dewey Edwin Cochran
Ronald Lynn Graham
Gregg A Herbert
William A Llorens
Matthew Alan Michel
Original Assignee
Northrop Grumman Systems Corporation
Filing date
Publication date
Priority claimed from US15/829,758 external-priority patent/US10850871B2/en
Application filed by Northrop Grumman Systems Corporation filed Critical Northrop Grumman Systems Corporation
Publication of NZ758963A publication Critical patent/NZ758963A/en
Publication of NZ758963B2 publication Critical patent/NZ758963B2/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00—Cosmonautic vehicles
    • B64G1/10—Artificial satellites; Systems of such satellites; Interplanetary vehicles
    • B64G1/1078—Maintenance satellites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00—Cosmonautic vehicles
    • B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
    • B64G1/40—Arrangements or adaptations of propulsion systems
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00—Cosmonautic vehicles
    • B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
    • B64G1/40—Arrangements or adaptations of propulsion systems
    • B64G1/405—Ion or plasma engines
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00—Cosmonautic vehicles
    • B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
    • B64G1/52—Protection, safety or emergency devices; Survival aids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B64—AIRCRAFT; AVIATION; COSMONAUTICS
    • B64G—COSMONAUTICS; VEHICLES OR EQUIPMENT THEREFOR
    • B64G1/00—Cosmonautic vehicles
    • B64G1/22—Parts of, or equipment specially adapted for fitting in or to, cosmonautic vehicles
    • B64G1/64—Systems for coupling or separating cosmonautic vehicles or parts thereof, e.g. docking arrangements
    • B64G1/646—Docking or rendezvous systems

Abstract

system for mitigating electrostatic discharge between a first (10) and a second (11) space vehicle. The system has a propulsion mechanism (17, 18) for maneuvering the first space vehicle (10) in space, a capture mechanism (23) positioned on the first space vehicle (10) for at least temporarily joining the first (10) and second (11) space vehicle, and a mechanism (20) for passively mitigating electrostatic discharge coupled to the first space vehicle (10). The mechanism for passively mitigating electrostatic discharge has one or more resistors (27) and one or more electrically conductive compliant members (26) electrically connected to the one or more resistors. The compliant members are configured such that when the first (10) and second (11) space vehicles are joining, one of the compliant members provides a first physical contact between the space vehicles. Spacecraft in orbit often possess different electrical potentials. When two spacecraft approach each other during docking, a significant risk arises that an electrostatic discharge could occur between the two spacecraft, leading to damage of electrical systems. The invention discloses an improved system and method for mitigating electrostatic discharge between spacecraft.

Claims (1)

1.CLAIM This application claims the benefit of the filing date of United States Provisional Patent Application Serial Number
NZ758963A 2018-02-12 Electrostatic discharge mitigation for a first spacecraft operating in proximity to a second spacecraft and related methods NZ758963B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201762484969P 2017-04-13 2017-04-13
US15/829,758 US10850871B2 (en) 2017-04-13 2017-12-01 Electrostatic discharge mitigation for a first spacecraft operating in proximity to a second spacecraft
PCT/US2018/017852 WO2018190943A1 (en) 2017-04-13 2018-02-12 Electrostatic discharge mitigation for a first spacecraft operating in proximity to a second spacecraft and related methods

Publications (2)

Publication Number Publication Date
NZ758963A NZ758963A (en) 2023-11-24
NZ758963B2 true NZ758963B2 (en) 2024-02-27

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