Huang et al 2025c - Revision history

Scipediacontent: Scipediacontent moved page Review 495691047189 to Huang et al 2025c

2025-10-29T10:32:37Z

Scipediacontent moved page Review 495691047189 to Huang et al 2025c

Scipediacontent at 10:31, 29 October 2025

2025-10-29T10:31:00Z

Scipediacontent at 10:30, 29 October 2025

2025-10-29T10:30:13Z

JSanchez: JSanchez moved page Draft Sanchez Pinedo 726313992 to Review 495691047189

2025-10-29T09:23:49Z

JSanchez moved page Draft Sanchez Pinedo 726313992 to Review 495691047189

JSanchez: Created page with " == Abstract ==
Modern electro-optical pods incorporate multi-spectral sensors for reconnaissance, target acquisition, and laser designation, where sub-milliradian optical..."

2025-10-29T09:23:47Z

Created page with " == Abstract == <p>Modern electro-optical pods incorporate multi-spectral sensors for reconnaissance, target acquisition, and laser designation, where sub-milliradian optical..."

New page

== Abstract ==

<p>Modern electro-optical pods incorporate multi-spectral sensors for reconnaissance, target acquisition, and laser designation, where sub-milliradian optical axis stability and inter-sensor parallelism are critical for mission success. This paper establishes a unified theoretical framework combining rigid-body kinematics and deformable body mechanics to develop a physics-based stability metric through screw theory formulation, expressing the optical axis dynamics as ˙O= [ω]</p>

== Document ==
<pdf>Media:Draft_Sanchez Pinedo_726313992-2901-document.pdf</pdf>

@@ Line 9: / Line 9: @@
 physics-based stability metric through screw theory formulation, expressing
 the optical axis dynamics as ˙O = [ω]×O+v, with thermo-mechanical
-constraints �[ω]×O� < �ω, �v� < �v for engineering implementation. A
+constraints [ω]×O < ω, v < v for engineering implementation. A
 novel computational geometry method evaluates multi-sensor alignment
 errors by solving Ei = si − (si · ˆO)
 ˆO
-+ JT�T + Jgg, where JT and Jg
++ JTT + Jgg, where JT and Jg
 represent thermal and gravitational Jacobians. The rigid-flexible coupling
 model with multi-point constraints (MPC) reveals thermal dominance
@@ Line 28: / Line 28: @@
 “experimental discussion” or “prospect” section, and clarify the research
 plan for actual environment testing. The framework provides design
-guidelines for optimal sensor placement minimizing �JT�
+guidelines for optimal sensor placement minimizing JT
 F, temperaturedependent
 calibration protocols, and 0.1 mrad allocable margin for manufacturing
@@ Line 38: / Line 38: @@
 optical systems and physics-informed error budgeting separating thermal,
 mechanical, and alignment components.</p>
 == Document ==
 <pdf>Media:Draft_Sanchez Pinedo_726313992-2901-document.pdf</pdf>

← Older revision		Revision as of 10:30, 29 October 2025
Line 2:		Line 2:
	== Abstract ==		== Abstract ==

−	<p>Modern electro-optical pods ~~incorporate multi~~-spectral sensors for reconnaissance, target acquisition, and laser designation, where sub-milliradian optical axis stability and inter-sensor parallelism are critical for mission success. This paper establishes a unified theoretical framework combining rigid-body kinematics and deformable body mechanics to develop a physics-based stability metric through screw theory formulation, expressing the optical axis dynamics as ˙O= [~~ω~~]</p>	+	<p>Modern electro-optical pods incorporatemulti-spectral sensors for reconnaissance,
		+	target acquisition, and laser designation, where sub-milliradian
		+	optical axis stability and inter-sensor parallelism are critical for mission
		+	success. This paper establishes a unified theoretical framework combining
		+	rigid-body kinematics and deformable body mechanics to develop a
		+	physics-based stability metric through screw theory formulation, expressing
		+	the optical axis dynamics as ˙O = [ω]×O+v, with thermo-mechanical
		+	constraints �[ω]×O� < �ω, �v� < �v for engineering implementation. A
		+	novel computational geometry method evaluates multi-sensor alignment
		+	errors by solving Ei = si − (si · ˆO)
		+	ˆO
		+	+ JT�T + Jgg, where JT and Jg
		+	represent thermal and gravitational Jacobians. The rigid-flexible coupling
		+	model with multi-point constraints (MPC) reveals thermal dominance
		+	(0.49 mrad IR sensor pitch displacement at 60◦C, 272× gravitational
		+	effect), material sensitivity (CTE mismatch contributing 68% of TV sensor’s
		+	azimuthal error), and cross-axis coupling (19% LD error amplification
		+	under thermal gradients). However, due to the limitations of current
		+	experimental conditions, the experimental validation ismainly carried out
		+	in controlled environments. The current experimental validation shows
		+	<5% deviation between predicted andmeasured parallelismerrors across
		+	−20◦C to 60◦C. In the future, we will supplement the evaluation of the
		+	robustness of the control method through existing simulation verifications
		+	(such as adding vibration and temperature disturbance models) in the
		+	“experimental discussion” or “prospect” section, and clarify the research
		+	plan for actual environment testing. The framework provides design
		+	guidelines for optimal sensor placement minimizing �JT�
		+	F, temperaturedependent
		+	calibration protocols, and 0.1 mrad allocable margin for manufacturing
		+	tolerances. This methodology advances electro-optical system
		+	engineering fromempirical tuning tomodel-driven optimization, demonstrating
		+	0.12 mrad (3σ) stability in field tests under ISO 9022 environmental
		+	stress profiles, with key innovations including the first integration
		+	of Lie algebra kinematics with FEM-based deformation analysis for
		+	optical systems and physics-informed error budgeting separating thermal,
		+	mechanical, and alignment components.</p>

← Older revision	Revision as of 10:32, 29 October 2025
(No difference)