About a year ago, it became known that after a 16-year break, regular passenger transportation along the Moscow River would be revived. But this is not just the return of the legendary river tram: river routes will be integrated into the overall system of urban passenger transport, and regular flights for the first time in the world will be carried out by electric river boats all year round. These eco-friendly river trams will be named after Moscow rivers. The name of the first of them - "Sinichka" (in honor of the river flowing through Sokolinaya Gora, Lefortovo and Basmanny) - was chosen by the users of the Active Citizen project.
But behind the romance of river boats, complex and responsible technologies are hidden. Among them is the control of power plants, the power system, electric rudders, etc. To solve this problem, a reliable microcontroller is needed, and the product of the Voronezh Research Institute of Electronic Technology K1921VK01T was chosen for this role in new electric ships.
Based on the ARM Cortex-M4F core, this 32-bit microcontroller is well-suited for controlling electric drives and electric propulsion systems with advanced features and a wide range of interfaces, including nine PWM modules, six of which support high-resolution mode; six capture/compare modules; three analog comparators. The chip also has two CAN 2.0b ports, USB 2.0 Device/Host interfaces with a PHY physical layer, Ethernet 10/100 Mbps, UART, SPI, I 2 C.
The microcontroller operates at a clock frequency of 100 MHz, is equipped with 1 MB Flash memory, 192 KB built-in RAM, and includes twelve dual-channel 12-bit ADCs. A chip is produced in a plastic case of the QFP-208 type.
Due to the wide functionality of the K1921VK01T IS, to solve the tasks assigned to them as part of the control equipment for the power system and electric drives of an electric vessel, it took only two such microcontrollers, which were part of the equipment developed by the St. Petersburg company Russian Electrotechnical Society.
Electric vessels with K1921VK01T microcontrollers on board are already cruising along the Moscow River in a pilot mode. It is expected that traffic on two routes ("Fili - Kyiv railway station" and "Pechatniki - Avtozavodsky bridge") will open this year. Initially, nine such vessels will operate on the routes, capable of carrying up to 80 passengers (they will be equipped with 50 seats and 30 standing places), then the number of vessels is planned to be increased to 21. This project also has good potential for scaling. In particular, there are plans to launch similar electric river trams in Nizhny Novgorod in the future.