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FPV Drone, remote control car, VR glasses–the "Science and Technology Exposition" in primary and middle schools is more interesting

"Science and Technology Green Future" as the theme of Guangzhou Huangpu District Primary and secondary school science and Technology Exposition March 28 in Guangzhou Second Sino-Soviet Experimental School (referred to as "the Second Sino-Soviet Yuan School") held. Aerial filming Guangzhou Huangpu District the second Science and Technology exposition of primary and secondary schools.

Xinhua Hair Wooggare Photo Launching ceremony, deputy director of the Huangpu District Bureau of Education Xu Weimin said that today's world of science and technology, artificial intelligence, "Internet +" and other new technology applications are changing our lives, Chinese manufacturing accelerated to "China-made".

Science and Technology competition in the final analysis is the talent competition, hope that through the government, enterprises, schools work together to innovate cooperation, so that the flower of scientific and technological innovation in the whole district of primary and secondary school bloom Guangzhou Second Middle School principal Zhang Xianlong was interviewed.

Xinhua Penson Photo "If the current knowledge of mankind is likened to a circle, the larger the known circle, the unknown outside the circle is large enough to be broad enough." Guangzhou Second Middle School principal Zhang Xianlong to encourage students to maintain a sense of curiosity and awe in science.

He believes that the current science and technology Exposition is to learn and carry out the party's 19 spirit "into the campus" vivid practice, through the school-enterprise freewing RC airplane work together, to achieve universal scientific knowledge, advocating scientific methods, the dissemination of scientific values, promote the scientific spirit of the purpose.

The reporter found that the impact of this activity than the previous session of a wider, the participation of teachers and students is no longer limited to the two middle school students in Su Yuan, covering to Huangpu District major primary and secondary schools in the school teachers and students representatives, exhibitors from the eight from 2017 to 10 this year, the charm of the science and Technology Fair is out of the campus, radiation across the region. Guan Chujun operates four-axis aircraft.

Xinhua Hair Penson Photo The scene, rich in "intelligent" elements of the crossing machine, remote control cars, VR glasses, 3D printing pen to become the most eye-catching technology products. Guan Chujun, the first student of the Sino-Soviet school, took part in the Science and Technology Exposition, saying that he was most interested in flying through unmanned aerial vehicles.

He experienced in the scene hand gestures control of four-axis aircraft, hover, flying and other operating skills attracted many students praise the eyes. Jigsaw: Liang display 3D printed works.

Xinhua Lu Ying Photo

Liang, 9, patiently took a 3D print pen to draw on the paper, and, in less than 10 minutes, she was happy to get a 3D-printed model of the glasses.

Was named 2018 Campus "Science and Technology small talent" Li Ye had won the first prize of Guangdong Province Astronomical Olympiad, he was interviewed by reporters, in the hope of looking at the stars of scientific knowledge, but also need to understand the content of RC airplane each lesson, down-to-earth, do not let the future of scientific dreams leave regret.

The second China-Soviet school teacher Wang Jianping said, the school students participate in scientific and technological innovation activities also contribute to the improvement of students ' performance, 2017, the school entrance examination made a historic breakthrough, the campus average of 15 points of super high protection line, advance batch rate of 99.65%, Pugau rate of 100%. The initiation ceremony took a photo of the guests.

Xinhua Penson Photo

The event by the Huangpu District Bureau of Education and Huangpu District Science and technology industry business and Information Technology Bureau hosted, Guangzhou the Second Sino-Soviet experimental school contractors.

The second Science and Technology Exposition of Guangzhou Huangpu District primary and secondary school The second Science and Technology Exposition of Guangzhou Huangpu District.

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FLY 2018 China PVR Drone Racing at Shang.China

March 31, 2018, the PFV Drone race operation Pioneer Team X-fly in Shanghai Xintiandi Langham Hotel held a warm and chic conference, called "2018 Beyond the illusion, X-fly cross-country racing national opening season," also for the upcoming April, the first race in Shaanxi province to preheat early. The competition is highly valued by the local municipal party committee and Municipal ZF leaders, and it is listed as an important outreach activity in the 2018. Prior to this, X-fly has been for this site outdoor events in Shaanxi landed by the Air Force approved by the National first unmanned aircraft racing airspace use approval, in the safe flight to do enough protection.

Press conference began, X-fly CEO Mr. Chen Yu brought "beyond the fantasy" keynote speech, in the course of the speech reviewed X-fly from the start-up to the wings gradually plump this way from the dots.

After the CEO shared his journey, Mr. Rambo, the local ZF representative, introduced the historic and cultural city, and said that local ZF was happy to work with young competition organizations to promote the spirit of athletic sports and would give x-fly the necessary support to carry out the competition. Then the event Director Mr. Wu Yuping and technical director Liyaojun, respectively, introduced the x-fly2018 Cross Machine racing Tournament system and the X-League official machine, and for the cross machine enthusiasts and factory representatives on-site solution puzzle. The Conference also invited South Korea's top racing team Kdra star flying Hand McK, bringing a very exciting speed and passion of the flight through the aircraft performance.

In recent years, the charm of the cause of the UAV has gradually become more and more popular. In the state of good policy and market demand expansion of the situation, all kinds of sports events came into being, as the Sports + technology perfect fusion products, the first crossing machine movement. X-fly co-founder Zhouque, National professional sports manager Fang Mengya, the unmanned aerial network Supervisor Juyanpo, senior HR director Zhu Tianyi, the "Competition IP challenges and the future" launched a lively discussion, Zhouque said X-fly has always been concerned about the development of the personal shaping of the flying machine , this year X-fly will be the league IP and personal long-term development of the flying hand, through the league platform for the flying hand to provide the opportunity to display, so that the flying hand through their own charm and flow for the movement through the motor racing. Fang Mengya and Mr Juyanpo also expressed their optimism about the good prospects of the speed-racing drone, and hoped that in the future, the X-fly would be implemented in cooperation with resource sharing.

Then Mr. Chen Yu, founder of X-fly Drone Racing, the Korean Drone Racing Association president James, the dry abundant war team leader Xiao Hengzhi, the domestic well-known crosses the aircraft team SP Captain "pony elder brother" Dengxiang to "the Global Unmanned Aircraft Racing Club present situation and the future" launches the intense discussion, the discussion core is from the long-term view, Cultural sports as a track, with the support of ZF, will certainly be chased by capital, in the process, how to seize the time to run a more commercial value of the club, the community to feed the industry to become worthy of every practitioner to think about the problem.

The round table ended with the most anticipated scene of the whole event--the initiation ceremony, Mr. Chen Yu, founder of the X-fly drone race, Ms. Zhouque of X-fly Drone Racing, president of the Shanghai Aviation Vehicle Model Association, Mr. Gu Chen, the famous American UAV team rotor riot professional manager Chad, the National professional sports manager Fang Mengya, and so on with the hand placed on the big screen, with the large screen of light flow collection, announced the X-FLY2018 National Crossing Machine Racing Tournament officially launched.

2018 China x-fly2018 Beyond the illusion of the national opening season, this will be a series of standard airspace approved, local ZF, well-known flying hands, senior media to participate in the high standard, high standards of the cross machine competition, I wish the full year of competition to achieve a successful conclusion.

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Installing the Intel Realsense D435 depth camera on a Jetson TX2

Here's a quick technical post for anyone attempting to harness the capabilities of a Realsense D435 camera on a Jetson TX2.  For me, this is about getting usable depth perception on a UAV, but it has proved more problematic than I originally anticipated.

The Intel Realsense D435 depthcam is small enough to mount on a UAV and promises enough range for object detection and avoidance at reasonable velocities.  My intention is to couple it with the machine learning capabilities of the Jetson TX2 to improve autonomous flight decision making.

The problem is that the Intel Realsense SDK2 does not apparently support the ARM processor of the Jetson TX2, as I write.  This post links to my blog article which aims to provide some simple installation instructions that now work for me, but took a long time to find out!

(Full blog article link is https://mikeisted.wordpress.com/2018/04/09/intel-realsense-d435-on-jetson-tx2/)

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MAAXX Europe 2018 DroneJam MasterClass

Last year I entered the MAAXX Europe Autonomous Drone Racing competition with my 'Groundhog' hexacopter, after which I published the code and other information.  This seemed to be of help to those flying with similar companion-computer based systems.  This year I ran a 'DroneJam Masterclass' for students wishing to make a start in autonomous drone coding and once again, I am releasing all the code and a blog of the event itself.

The Competition

In common with last year, the competition is to build a drone to autonomously navigate around a circuit, marked out by a red line.  However, the event was altogether bigger this year with three flight arenas, many activities organised by sponsors, FPV racing and even a full two-seat glider flight simulator.  It was great to see this event continue to build on last years’ strengths and to become more popular still.  Its has also attracted international attention with one team coming all the way from Moscow (more of them in my blog!).

The Masterclass

The idea was to produce a competitive drone equipped with camera, optical flow, Pixhawk flight control unit and enough code to get drone-coding newbies off the ground, so to speak.  The code was to be implemented in Python on a Raspberry Pi companion computer.  So it wasn’t particularly expected that the students would compete in the main competition, more that they would learn from a real world experience.  Who would have known that our newbie team would come 2nd?

Code, Configuration etc.

I have documented all the code on GitHub and put together a full blog with links at https://mikeisted.wordpress.com/2018/04/05/maaxx-europe-2018-dronejam-coding-masterclass/

I hope it is of interest!

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World’s First Graffiti Drone (Part 2)

The Graffiti Drone is a truly unique project by Tsuru Robotics, implemented in association with Interactive Lab. It was the world's first painter drone, with complete automatic control. Misha Most, the artist, drew on a computer - that prefigured drone's trajectory. After that, the drone painted the surfaces with spray paint.
In the last publication, we explained certain technical aspects of graffiti drone. This time we’ll talk about electronics.

The unique real-time location system was specifically designed for this project, with the help of which, the drone moved with incredible precision - up to 0,19 inches.

Cameras monitored machine's movement through LED markers that were fastened to it and transmitted the data on drone's location to our server.

The special software was written - a path planner, based on the Unity3D engine - software that programs, simulates, and then tells the drone where it is supposed to be at the given moment.

The server combined two types of data and transmitted it to drone. Then the drone would calculate the specific actions it would have to take to move to the designated spot. To transmit the data on the drone, we used a specific radio channel. A special circuit board was developed, that combined two radio modules: a standard WiFi and the other - that operated on the same frequency and ensured that the data for the real-time locating went uninterrupted.

Why not transmit the data via the regular WIFI? It doesn’t work that way – regular WIFI would cause arbitrary delays, which are unacceptable. We use regular WIFI to transmit the telemetry, where delays are not crucial.
So, the drone had received the data from the server. The word received, however, does not accurately reflect what happens. The data are sent to the drone 60 times per second – that’s why the delays are unacceptable. There’s a microcomputer on the drone, it’s called an autopilot, and it has a software, which, among other things, controls the drone automatically.

How does the control system operate? We should say up front, that even receiving external data 60 times per second - isn’t quite enough for it! To operate efficiently it needs more data, and it needs it more often. Luckily the system collects the data on its own, using the onboard sensors like –a gyroscope, a compass, an accelerometer (measures acceleration), and a pressure sensor (measures altitude). It collects the data 1000 times per second.

Having received the information from the sensors, the microcomputer combines it with the data from the server and determines its own location. It does that 1000 times per second!
But why isn’t it enough to have just one external real-time location system? The explanation comes from the American movies. Let’s imagine the police officer pulls you over, assuming that you are drunk. He then asks you to walk a straight line. You can see the line (the real-time location system works), but you keep staggering (the alcohol impairs your vestibular system) The outcome – you’ve been busted. Well, the onboard sensors are the vestibular system of the drone. You can imagine, by analogy, what would happen if these sensors were absent.

But let us come back to our “sober” drone. The software reconciles the current and the target position and then issues the command to the engines to move to the designated spot. Of course, it’s not that easy. Because in order to move from point A to point B, the drone has to perform a massive number of coordinated actions – to lean, to hit the gas, to move (while keeping the altitude), to hit the brakes without reaching the point, and to stop precisely at the point B. With all that, the software issues the commands 400 times per second.

And so, moving from point A to point B, the graffiti drone paints picture by picture. It paints completely on its own.

For all collaborations and more information http://tsuru.su  and http://https://www.instagram.com/tsuru_robotics/

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