BAA or Broad Agency Announcement
A notice from the Government that requests scientific or research proposals from private firms concerning certain areas of interest to the Government. The proposals submitted by private firms may lead to contracts.
Bogie
A railroad car or locomotive undercarriage.
Commutate
Reverse the direction of an alternating current each half cycle to yield a unidirectional current.
Consist
The composition (number and specific identity) of individual units of a train.
Cryogenics
The science of low temperature phenomena.
Cryostat
A device for maintaining constant low temperature.
DOE
Department of Energy
DOT
Department of Transportation.
EDS
electrodynamic suspension.
EMS
electromagnetic suspension.
Emsland
Test site of the
TR07 in Germany.
ES
Extensive sharing of right of way.
externalities
public benefits.
FHWA
Federal Highway Administration.
fiber
A polymer based alternative to ferrous reinforcement of concrete and reinforced other materials - plastic.
FRA
Federal Railroad Administration.
FRP
Fiber Reinforced Plastic
FY
Fiscal Year.
GMSA
Government Maglev System Assessment.
guideway
A riding surface (including support structure) that physically guides vehicles specially designed to travel on it.
H-bridge
A four arm, alternating current bridge, the balance of which varies with electrical frequency.
headway
The interval between the passing of the front ends of successive vehicles moving in the same direction along the same lane, track, or other guideway.