Page 51: of Marine Technology Magazine (July 2018)

Riptide Autonomous

Solutions

Plymouth, MA www.RiptideAS.com

President & CEO: Jeffrey M. Smith

Rowe Technologies

Riptide is developing and ? elding game changing UUV ca-

Poway, CA pabilities as a major market disruptor, developing a ? exible, www.rowetechinc.com extensible architecture, designed to provide signi? cantly bet-

President & CEO: Dan Rowe ter ef? ciencies and longer endurances at a lower price point..

Rowe Technologies is an oceanographic and hydrographic

Since last year’s award for the micro-UUV, Riptide has re- acoustic sensor company that is dedicated to research and de- leased multiple new sizes of vehicles and just announced ex- tended depth options. Riptide is a small business dedicated velopment. With an engineering workforce staff of more than to advancing Autonomous Underwater Vehicles (AUVs) and 85% of company personnel, Rowe’s highly technical employ- ees account for over 250 years of acoustic sensor experience their usage. Riptide’s modular architecture permits custom-

Rowe Technologies Inc. (Rowe Tech) was founded in 2009 ization to meet speci? c end-user operational requirements. Its extensible architecture provides for drop-in future upgrades by Fran Rowe, the originator of the Acoustic Doppler Cur- rent Pro? ler (ADCP) and founder of Teledyne RDI. Rowe and planned product improvements, or can support the lowest

Tech is an oceanographic and hydrographic sensor company logistics, turn-key operations out of the box. Riptide devel- that designs and manufactures industry leading Acoustic Dop- oped and ? elded its ? rst sonobuoy-sized class of man-portable pler Current Pro? lers (ADCPs) and Doppler Velocity Logs

AUV, known as the Micro-UUV, and started product deliv- eries in 2016. Riptide successfully developed this platform (DVLs). The ADCP transmits a 4-8 beam sound signal [ping] of a speci? c frequency and measures the Doppler-return fre- coupling the latest low-power electronics, superior hydrody- namics, and state of the art manufacturing processes to ? eld quency that is re? ected from particles in the water column. this lowest cost, yet highly capable, next generation AUV This translates into a velocity relative to the re? ection point, either a water layer or the bottom. An ADCP measures current platform. Since delivering Micro-UUVs for almost two years (nearly 100 UUVs in total), in 2017 Riptide scaled this base pro? les in the water column at discrete cells selected by the user and call also measure directional waves and wave energy. platform up into 1 Man-Portable (1MP – 7.5” Diameter) and 2

Man-Portable (2MP – 9.375” Diameter) AUV platforms that A DVL tracks the sea? oor or river bottom, and additionally, provides a current pro? le to the bottom. This tracking allows leverage the same proven hydrodynamic and electronics ca- calculation of underwater positions using an Inertial Naviga- pabilities. Depending on the energy solution, Riptide vehicles tion System [INS]. These systems enable accurate underwater can transit 1000 nmi or more. The standard operational depth navigation for submarines, autonomous and remotely operated rating of the micro-UUV is 300m, but Riptide is in the process of ? elding a 1500m rated variant of the 1MP and intends to vehicles. All Rowe Tech products have dual functionality and can function as an ADCP or as a DVL. demonstrate a 6000m rated micro-UUV by mid-2018.

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