Scientists from Perm National Research Polytechnic University (PNRPU) have developed a new hardware and software complex that increases diagnostic reliability by 80% compared to existing analogues.
The development is based on the use of two microcontrollers — Raspberry Pi 4 and Arduino Nano, which share tasks. The first is responsible for processing the video stream from the camera, collecting data from sensors and communicating with the operator, while the second specializes in controlling the motor system. This separation of functions reduces the load on each component and minimizes the likelihood of failures. An additional advantage was the use of a more powerful 43 Ampere driver, which allows the use of high-performance motors without the risk of overload.
Systems with one or two controllers for controlling in-pipe robots already exist, but they have their drawbacks. Firstly, the parts for them are usually made to order, which increases the cost of equipment and complicates the manufacturing process. Secondly, it often happens that one of the components fails — in this case, the entire system is turned off after it. In addition, they usually use rather weak motor control drivers — with a maximum power of 5 Amps, which is not enough for all motors. As a result, the time of uninterrupted operation of the robot is reduced, it may not have time to inspect all sections of the pipeline and identify all defects.
During testing, the system demonstrated impressive results. The average time between failures was 10.87 hours, which is almost twice as high as that of analogues using only one controller. In addition, the failure rate decreased by 80.5%.
The control system was tested on a robot prototype in laboratory conditions. It successfully overcame sections of pipelines with complex geometry: two consecutive 90° bends and a transition to a straight section. As experiments have shown, our system experiences 80.5% fewer failures than a similar complex that has only a Raspberry Pi connected to drivers — this configuration is most often used in robotic devices. At maximum load modes, the average uptime of our system was 10.87 hours, while the existing one was only 6.02 hours.
Another advantage is the availability of components. Unlike many specialized solutions, parts for this system can be purchased on the open market, which simplifies its implementation and maintenance. In addition, according to scientists, instead of foreign controllers, you can use domestic analogues — Repka Pi and Smar Uno.
The technology has already attracted the attention of major industrial companies, including «Gazpromneft — Lubricants», «Bashkir Distribution Thermal Networks» and «T Plus».
Read more materials on the topic:
Personal robot trainer for runners created by DSTU engineers
Technology is taking revenge: a delivery robot threw off a rider near a business center in Moscow
Now on home
Герой России Гарнаев: никто из профессионалов о возобновлении производства на КАЗ всерьёз не говорит
Система отслеживает спутники на высотах до 50 000 км и ведёт за ними наблюдение
The armored vehicle is equipped with a KamAZ-740.35-400 diesel engine with a power of 400 hp.
Constant improvements in avionics, weapons and tactical capabilities will make the aircraft a flexible response to future challenges
The exterior of the KamAZ-54901 features fairings on the cab and chassis for fuel economy
Fighters are in demand both domestically and abroad
Tyazhpromexport and Venezuela Agree on Plant Revival
The company not only completed the state order, but also quickly mastered the production of AK-12K for special forces
Experts have developed a photogrammetric complex with a resolution of less than 1 cm
