Unmanned Systems Technology 028 | ecoSUB Robotics AUVs I ECUs focus I Space vehicles insight I AMZ Driverless gotthard I InterDrone 2019 report I ATI WAM 167-BB I Video systems focus I Aerdron HL4 Herculift

3 October/November 2019 | Contents Unmanned Systems Technology | October/November 2019 04 Intro We cast our repor ting net wide in this issue, with coverage of systems operating everywhere from under the seas to in space 06 Platform one: Mission-critical info Scania’s new driverless truck dispenses with an operator’s cab, details of a world first for autonomous shipping, GNSS receiver for tricky environments unveiled, and much more 20 In conversation: Geoff Douglass The ASVs development manager at SeaRobotics explains his user-focused philosophy of engineering 24 Dossier: ecoSUB Robotics AUVs Market trends were the prime driver behind developing the co re technology for this trio of craft. Here are the results 36 Focus: Engine control units How ECU designers are upping their game to meet the growing demands on unmanned system sensors and engine components 46 Insight: Unmanned space vehicles We look at how missions to Earth’s neighbours are providing a rich vein of development advances 54 Digest: AMZ Driverless gotthard Details of what has made this Formula Student autonomous electric racecar a championship-winner 60 Show report: InterDrone 2019 The pick of the latest crop of new unmanned systems an d technologies from this, the fifth expo of its kind 64 Dossier: Apple Tree Innovation WAM-167BB This two-stroke diesel stands out from the crowd in having an inverted engine block, giving it certain advantages for UAV applications. So how does it operate? 76 In conversation: Matt Dunlevy The founder and CEO of UAS survey provider SkySkope s tells us what drove him to set up the company and offer its particular combination of services 82 Focus: Video systems While video compression technology is evo lving to allow the bandwidth for high-definition footage to be further reduced, challenges such as satcom latency remain 92 Digest: Aerdron HL4 Herculift We report on the development of this quadcopter, which has been designed to be used in various sectors as a multi-role aerial testbed for heavy payloads 98 PS: Nuclear-powered spacecraft As the nuclear option for space travel comes back on the agen da, we consider the thermal and electric versions being proposed 76 06 24 20 54