P.A. Janakiraman

Papers

Total Citations

H-Index

About

P.A. Janakiraman’s research centers on signal processing and sensor systems for robotics, with a particular focus on ultrasonic ranging and localization. Their most notable contribution is the development of a sliding discrete Fourier transform (SDFT)-based ultrasonic ranger, introduced in a 2008 paper that has garnered 3 citations. This work proposes an innovative approach to extracting low-frequency sinusoidal envelopes from modulated ultrasonic signals using continuous wave methods, enhancing the accuracy of distance measurement for mobile robots. By leveraging phase shifts between infrared and ultrasonic signals, Janakiraman’s design improves obstacle detection and navigation in autonomous systems. Though a niche contribution, this work demonstrates a practical fusion of digital signal processing and sensor fusion, offering a computationally efficient alternative to traditional time-of-flight methods. Janakiraman’s research underscores the importance of real-time, low-cost sensing in robotics, making it a valuable reference for engineers developing compact ranging systems. Their focus on sliding DFT techniques highlights a commitment to advancing sensor reliability in constrained environments, with implications for both academic research and applied robotics.