The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 03, 2026
Filed:
Feb. 12, 2024
Bae Systems Information and Electronic Systems Integration Inc., Nashua, NH (US);
Clifford D. Caseley, Hudson, NH (US);
David B. Jordan, Hollis, NH (US);
James L. Kingston, Temple, NH (US);
BAE Systems Information and Electronic Systems Integration Inc., Nashua, NH (US);
Abstract
An apparatus for causing a motor to rapidly reorient a rotatable element calculates a desired rotation rate ƒ(θ) as a function of an orientation error θ, and calculates a current Ithat, if applied to the motor, will accelerate and then regulate the rotation rate {dot over (θ)} equal to ƒ(θ). Simultaneously, a maximum current Iis calculated that will not exceed an applicable power limit Por motor current limit. The lesser of Iand Iis applied to the motor. For large rotations, Iis applied during acceleration until {dot over (θ)}=ƒ(θ), and then Iis applied during deceleration. Multiple elements can be simultaneously rotated by apportioning Pamong the elements as they are rotated. The allocated Pcan be larger for elements that require larger rotations, and can be varied during the slew time. The rotatable element can be a gimbal pointer mirror or a Risley prism element.