Patent attributes
A mobile unit that includes a compressed gas canister, a brake hose coupled to the compressed gas canister, a radar, and a processor and a storage device. The storage device stores instructions that are operable, when executed by the processor, to cause the processor to perform operations of obtaining radar data from the radar, determining, based on the radar data, a distance of the mobile unit to an object, determining that the distance of the mobile unit to the object satisfies a braking criteria, and based on determining that the distance of the mobile unit to the object satisfies the braking criteria, releasing gas from the compressed gas canister through the brake hose coupled to the compressed gas canister and into the brake pipe of a train car.
