P. P. Unru

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This article presents the results of marine trials carried out in the framework of the project of the development of hydro acoustical communication system for AUV (Autonomous Underwater Vehicle) and ASV (Autonomous Surface Vehicle) group control and navigation. Specificity of the application imposes special requirements on the developing Underwater Acoustic(More)
This paper is devoted for designing and investigation of some algorithms for direct sequence spread spectrum (DSSS) signal processing with time-shift keying for underwater communication. The results of marine experiments for developed system performance evaluation in shallow sea (depth ∼ 20–30 m) on distances up to 10 km on frequency of 12 kHz(More)
This paper is devoted to the collective control and group navigation based on hydroacoustic communication intended for marine autonomous robotic complex (MARC) including autonomous underwater vehicle (AUV) and autonomous surface vehicle (ASV). The structures of control and navigation systems are considered and some results of the systems operation in the(More)
Newest achievements in underwater acoustic communications (UAC) open fresh possibilities for designing of more and more complex and larger scale underwater acoustics networks (UAN), which consist of bottom, moored and surface stations; autonomous underwater and surface vehicles (AUV and ASV); remotely controlled and manned vehicles. The process of UAN(More)
The paper is devoted to the analysis of the accuracy of measuring the distance between underwater vehicles using underwater acoustic modems in natural conditions and aimed to increasing the performance of autonomous underwater vehicles (AUV) onboard navigation systems. The results of the experimental research conducted as sea under-ice trials are presented.(More)
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