Data communication through multiple physical media: applications to munitions

Harbans S. Dhadwal; Jahangir Rastegar; Dake Feng; Philip Kwok

doi:10.1117/12.2177521

13 May 2015 Data communication through multiple physical media: applications to munitions

Harbans S. Dhadwal, Jahangir Rastegar, Dake Feng, Philip Kwok

Proceedings Volume 9491, Sensors for Extreme Harsh Environments II; 94910K (2015) https://doi.org/10.1117/12.2177521
Event: SPIE Sensing Technology + Applications, 2015, Baltimore, MD, United States

Abstract

Electronic systems comprising of subassemblies, distributed across different physical media, require seamless communication between processors and sensors embedded in the disparate volumes. For example, smart munitions systems embed sensors and other key control electronics, throughout the structure, in vastly different physical media. In addition to the obvious space constraints, these structures are subjected to high G forces during launch. Thus, communications through wire harnesses becomes cumbersome, make assembly process and testing difficult, and challenging to make survive high G firing. Here we focus on an approach that takes advantage of the partial optical transparency of epoxy material commonly used in potting electronic components in munitions, as well as the wave guiding that is possible through the body of the munitions wall which is made from composite materials. Experimental results show that a wireless optical link, connecting various parts of the distributed system, is possible at near IR frequencies. Data can be rapidly parsed between a processor, sensors and actuators. We present experimental data for a commercial epoxy system, which is used to embed a number of IrDA devices inside the cone of 120 mm mortar shell. IrDA devices using the FIR data rates establish point-to-point communication through various media, representative of the environment inside the 120 mm mortar cone.

Citation Download Citation

Harbans S. Dhadwal, Jahangir Rastegar, Dake Feng, and Philip Kwok "Data communication through multiple physical media: applications to munitions", Proc. SPIE 9491, Sensors for Extreme Harsh Environments II, 94910K (13 May 2015); https://doi.org/10.1117/12.2177521

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available