Flight Control and Communication for Autonomous Drone Navigation – An Interview with ModalAI CEO Chad Sweet


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modal ai robotic perception logoChad Candy is the Co-Founder and CEO of ModalAI, a San Diego based mostly supplier of AI-powered computing platforms for autonomous drones and robots that talk by way of 4G and 5G mobile networks. ModalAI was spun out of wi-fi know-how supplier Qualcomm in 2018. Previous to founding MondalAI, Candy was Senior Director of Engineering in Qualcomm’s Robotics R&D Group. He additionally held numerous engineering positions throughout his 20 years at Qualcomm, with 15 patents granted throughout that point. In February, Candy was elected to the Board of Administrators of The Dronecode Basis, a vendor-neutral basis for open supply drone initiatives.

In April 2020, ModalAI launched VOXL Flight, a improvement platform for GPS-denied autonomous drone localization and navigation, together with pc imaginative and prescient for AI-powered object recognition, depth sensing and impediment avoidance. The SWaP-C (dimension, weight, energy consumption, and value) optimized VOXL Flight incorporates a Qualcomm Snapdragon SoC and PX4 flight controller on a single board, and might assist as much as 4 picture sensors for simultaneous 4k video seize, streaming and machine imaginative and prescient processing. An LTE Add-on is accessible that plugs in to the VOXL’s board to board connector enabling command and management for operations past visible line of sight (BVLOS). ModalAI’s VOXL Flight was a 2021 RBR50 Robotics Innovation Award honoree.

Chad Candy was not too long ago interviewed by Oliver McClintock for My Pricey Drone. That interview is reprinted beneath, with minor modifications. The unique interview may be discovered HERE.

Oliver McClintock – Welcome Chad Candy, inform us on your self and your backstory?

Chad Candy – After an extended profession in R&D engineering at Qualcomm in San Diego, in June 2018, Donald Hutson and I spun out the robotics R&D mission right into a separate firm, ModalAI. I’m enthusiastic about pushing the boundaries of the most recent applied sciences, particularly autonomous autos. Robots excite me because the advances are so tangible. You make a change, and the outcomes are instantly seen.

After receiving my Bachelor of Engineering in pc engineering at Vanderbilt College in 1998, I began at Qualcomm Inc. There I in the end led world robotics R&D at Qualcomm Analysis engaged on a number of autonomous robotics product launches, together with Sony Aibo, Hover Digicam, Snapdragon Flight, and Ecovacs DJ35. Beforehand to that, I led efforts in pc imaginative and prescient and wi-fi communications. In whole, I’m named on 15 patents.

Chad Sweet InterviewOliver McClintock – How did you get going within the robotic and drone markets?

Chad Candy – At Qualcomm, I used to be an early chief within the pc imaginative and prescient efforts, a few of which developed into Vuforia and FastCV. I had the chance to work on a novel, neuromorphic method to robotics, and I jumped on it. Autonomous robotics may be thought-about pc imaginative and prescient, so it was thrilling to method some older issues in a brand new atmosphere.

That neuromorphic mission transitioned to bringing Snapdragon to the robotics market. We shortly noticed client drones as a rising market and addressed the market with Snapdragon Flight, the smallest high-performance computing platform for drones on the time.

Oliver McClintock – Inform us about your ModalAI firm, what’s it, and what motivated you to launch it?

Chad Candy – ModalAI builds on the R&D we have been doing at Qualcomm. We’re making the smallest, most superior flight management and communication techniques for drones. ModalAI continues to advance the know-how we developed at Qualcomm by commercializing extra AI software program and . We’ve got closely invested within the open-source communities Dronecode and ROS. ModalAI’s objective is to make our platform as open as doable in order that builders can combine their novel purposes on the platform as effectively as doable.

ModalAI left Qualcomm with a SWaP-C optimized, market-ready product, now known as VOXL. Constructed upon greater than six years of R&D, VOXL leverages the smartphone atmosphere to make a machine vision-based, highly-integrated, autonomous navigation platform. The platform gives autonomy and communications for indoor and outside floor and aerial robots. The mixing offered by VOXL permits UAVs which can be properly underneath 300g in whole weight to navigate autonomously.

Working with the Division of Protection’s Protection Innovation Unit (DIU), ModalAI has additionally developed a hand-held, non-public LTE community known as ModalLink. ModalLink communicates with a number of UAS, robots, and smartphones utilizing the DOD’s 1800MHz spectrum.

VOXL Flight fuses the flexibleness and ease of use of an open-source flight controller with the sophistication of the state-of-the-art smartphone electronics ecosystem.

Oliver McClintock – Inform us on Flight platform you manufacture and design for autonomous UAV navigation?

Chad Candy – VOXL Flight (Determine 1) is the primary open-development platform for autonomous drone navigation that fuses a companion pc with a flight controller on one PCB for GPS-denied, autonomous PX4 drones, and robots.

It combines ModalAI’s VOXL and Flight Core know-how to get gear within the air shortly with much less programming and set up time. The platform can also be compliant with the Nationwide Protection Authorization Act of 2020 as ModalAI designs and manufactures all of its printed circuit board installations in Southern California.

VOXL Flight fuses the flexibleness and ease of use of an open-source flight controller with the sophistication of the state-of-the-art smartphone electronics ecosystem. VOXL Flight has a Qualcomm Snapdragon multi-core processor on board for autonomous navigation, in addition to an MCU to run the PX4 flight controller.

The tight coupling of the 2 reduces cabling, value, dimension, and weight in addition to different complexities, permitting simpler integration into new drones. VOXL Flight helps a number of add-ons for communications comparable to 4G LTE for business enterprise purposes and Microhard pDDL for army and industrial purposes.

VOXL Flight is a platform others can use to construct new purposes on, however it additionally comes with many plug-and-play instruments. The gadget ships with GPS denied navigation, video streaming, stereo depth maps, and assist for QGroundControl.

Developer instruments comparable to OpenCV, Docker, and TensorFlow Lite for deep studying AI can be found at https://code.modalai.com.

ModalAI VOXL Flight

Determine 1: ModalAI’s VOXL Flight combines a strong autonomy pc and PX4 flight controller on a single board.

Oliver McClintock – Who’re most of your clients, or your commonest initiatives sorts?

Chad Candy – A broad vary of economic and army clients use ModalAI platforms to construct completely different varieties of drones. Some clients need Unmanned Aerial Methods (UAS) for indoor navigation to conduct inspections. Others are on the lookout for past visible line of sight command and management for business supply purposes or retaining personnel out of hurt’s method.

Our specialty is working with clients to improve their current platforms with VOXL to get their drones outfitted with autonomous navigation and within the air shortly. ModalAI has concerned with over a dozen clients to advance the platform developed at Qualcomm or commercialize the VOXL platform.

For the reason that yr 2018, we’ve been cooperating with the DIU (Division of Protection’s Protection Innovation Unit) on structure to Group 1 UAS (Unmanned Plane Methods). Group 1 UAS primarily weigh beneath 20 lbs, function beneath 1200 above the bottom stage at speeds beneath 250 knots.

ModalAI designed a flight controller to the DIU relying on its VOXL system that makes use of AI (Synthetic Intelligence) to function autonomously, plan mission paths, and keep away from obstacles – all linked by 4G LTE know-how. Additionally, we developed a floor station with 4G/LTE, now known as ModalLink, which permits troops to handle a number of UAS on the sphere. Such applied sciences allow light-weight, small, however superior UAS with long-range, safe communications.

Tools included with VOXL permits armed forces for mapping the ecosystem, different individuals, and drones whereas in a mission, and dynamically keep away from obstructions. Not like GPS-exclusive gadgets that may encounter sign drop off due to misplaced or weak satellite tv for pc hyperlinks, a VOXL-based drone provides armed troops with pc vision-centered navigation; thus, they will deploy their UAS wherever.

A typical distant management can’t attain greater than 1 to 2 kilometers. Leveraging mobile know-how permits communication so far as the cell community will take you.

Oliver McClintock – When Uber Eats examined its preliminary meals supply efficiently from a drone, VOXL by ModalAI was on-board.

Chad Candy – Hooked up to the craft, VOXL utilized 4G connectivity to correspond between the Uber Elevate Cloud Providers and drone, a proprietary, dynamic airspace administration system which guides and tracks drone journeys to take-off, hover, and independently land.

VOXL equipped command & management of the quadcopter and assisted in plane’s autonomous navigation and air visitors screening by ADS-B (Computerized Dependent Surveillance-Broadcast). Additionally, it mapped the Uber Eats drone’s progress, in order that the pilot-in-command can see the plane over a digital map on a regular basis.

Oliver McClintock – What sort of applied sciences goes into making VOXL Flight pilot drones Past Visible Line of Sight?

Chad Sweet Interview Chad Candy – A very powerful know-how is mobile communication. The mobile community works as properly within the air because it does on the bottom. A typical distant management can’t attain greater than 1 to 2 kilometers. Leveraging mobile know-how permits communication so far as the cell community will take you.

Mobile connectivity additionally permits higher positioning with Actual-Time Kinematic (RTK) GPS. The RTK correction info may be discovered on the web. For the reason that drone is now linked, it might probably entry that info.

Oliver McClintock – For a drone maker that’s simply starting to combine VOXL Flight to their gadgets, how could they go round getting began?

Chad Candy – The quickest path is to purchase a ModalAI reference drone, such because the VOXL m500. Builders can use the VOXL m500 to start out constructing proper out of the field, but it’s not meant to compete with a client drone. If you happen to’re snug making a drone by yourself, the VOXL Flight Deck is able to mount, or the VOXL Flight printed circuit board (PCB) is accessible for buy by itself.

Oliver McClintock – What are a number of the most artistic methods you have got seen drones getting used?

Chad Candy – I’ve all the time actually appreciated the swarm drone work coming from the College of Pennsylvania. We labored with them rather a lot at Qualcomm. Their swarming drone techniques with out GPS are cool. Teams are utilizing different strategies to make use of drones in live performance as properly, which is enjoyable. I’m all the time impressed with small, indoor, and autonomous.

Oliver McClintock – What are your views on the way forward for autonomous drones?

Chad Candy – Our objective is to allow anybody to manage a number of drones simply and to perform a compelling job, shortly, safely, and simply in any atmosphere. Social distancing is a sizzling matter, and autonomous autos, basically, are a good way to restrict pointless interactions. I anticipate to see the tempo of deployment speed up within the subsequent few years as the advantages of saving time, lives, and cash turns into extra obvious.

Oliver McClintock – What are a couple of of the advantages of deploying drones within the protection and safety industries?

Chad Candy – Essentially the most impactful benefit of utilizing drones for safety and protection is getting surveillance information shortly with no need to ship an individual into hurt’s method – distant eyes within the sky. Within the long-term, drones will likely be used to carry out real-time evaluation utilizing a wide range of visible and environmental sensors in a extra automated method. Drones will even increase communication techniques, particularly in a disaster.

Essentially the most thrilling drone applied sciences allow smaller, smarter, and safer drones. In the course of the coming years, drones will transition from a loud nuisance to a helpful, safe software for a lot of duties.

Oliver McClintock – What advances in drone techniques you’re enthusiastic about?

Chad Candy – Essentially the most thrilling drone applied sciences allow smaller, smarter, and safer drones. In the course of the coming years, drones will transition from a loud nuisance to a helpful, safe software for a lot of duties. These enhancements will turn out to be particularly significant for indoor purposes.

Oliver McClintock – VOXL Flight is compliant with every federal acts of america. Wonderful! How did you deal with that?

Chad Candy – Sadly, a variety of the manufacturing for this sophisticated know-how has moved abroad. We’ve got a TON of expertise within the firm to deal with this downside. Many people labored at Qualcomm for greater than twenty years, so we have been ready to make use of that have to construct our know-how within the U.S.

Chad Sweet InterviewOliver McClintock – When you find yourself not working, the place can we discover out you?

Chad Candy – My hobbies are operating, snowboarding, and enjoying with my three boys. We’re a really busy household, and there’s all the time one thing happening!

Oliver McClintock – Is there the rest which we’ve not coated that you’d like to share?

Chad Candy – As I discussed, my group and I are enthusiastic about autonomous robots. For autonomous drones and robots to succeed in the tipping level for business use, the trade might want to conform and standardize making drones is easier, sooner, and extra inexpensive.

ModalAI is seeking to fill that hole. Our area of interest is designing full-stack know-how and driving all of it the best way to the applying layer. All of the is accessible on-line for buy affordably on our web site. And the group may be very devoted to supporting the technical documentation in an open and public discussion board.

Oliver McClintockOliver McClintock is the creator of MyDearDrone, a free group to study all the things from information, critiques, guides and rather more about drones and know-how.



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