Review of hybrid aerial underwater vehicle: Cross-domain mobility and transitions control

Recently, there has been growing interest in developing hybrid aerial vehicles (HAUV) capable of operating in air and water and performing continuous and uninterrupted high-quality observation and sampling. This paper provides a detailed literature review of existing HAUVs characterizing their designs, and describes the current state of the art in methodologies to enable cross-domain mobility of HAUVs. The Control system is identified as the core and crucial component to ensure repeated smooth air-water transitions for HAUV. The complete dynamic model and cross-domain motion control of HAUV under the complex sea state with wind and wave interferences have received much attention from the research community. This paper presents a review of the leading research works focusing on these technologies. In this survey paper, we introduce a systematic categorization of the HAUV platform designs and discusses their cross-domain mobility and characteristics. We also present a review of recent developments in the transition control of HAUV and the growth of related research. Finally, the paper discusses the key observations and highlights challenges that need to be addressed in developing HAUV with persistent autonomy.