A wireless landing gear monitoring system for an aircraft. The monitoring
system includes a radio frequency (RF) wireless hubcap transceiver
powered by a rechargeable battery combined with a super-capacitor, all
mounted to an inside surface of a wheel hubcap of the aircraft.
Additionally, the system includes a permanent magnet generator (PMG)
mounted to the inside surface of the hubcap that charges the battery when
the wheel is rotating. The hubcap transceiver communicates with at least
one distant, or remote, transceiver inside the aircraft, a tire pressure
sensor mounted to a wheel rim, and a Hall-effect wheel speed transducer
mounted to the hubcap. The tire pressure sensor uses an extremely low
power RF transmitter to communicate with the hubcap transceiver, which
then sends wheel speed and tire pressure data to the distant transceiver.