Authors: Maram Mounika, Rakshitha L, Ramya R, Ramya Shree D, Dr Manasa P
Abstract: Inertial Navigation Systems (INS) are mission- critical subsystems in naval platforms, providing continuous nav- igation information independent of Global Navigation Satellite Systems (GNSS). In contested or GNSS-denied environments, the reliability of INS data directly impacts navigation accuracy, weapon control, and overall mission effectiveness. This paper presents the design and implementation of a real-time INS monitoring platform developed for Indian Naval shipboard appli- cations. The proposed system acquires high-speed navigation data from dual Ring Laser Gyro (RLG) based INS units operating at 10 Hz and 100 Hz through RS-422 interfaces. Using industrial- grade USB-to-serial hardware and a LabVIEW-based software framework, the system performs real-time data acquisition, frame validation, parameter extraction, visualization, logging, and replay. Experimental results demonstrate reliable, lossless data capture and synchronized monitoring of heading, roll, and pitch from forward and aft INS units, validating the effectiveness of the platform for onboard monitoring, testing, and post-mission analysis.
