Transit vehicle start-up propulsion motor control apparatus and method
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Mar 17, 1987
Grant Date -
N/A
app pub date -
Aug 1, 1985
filing date -
Aug 1, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Current regulation is provided for the propulsion motor of a vehicle operative with a track signal block control signal having a known frequency characteristic, by modulation of a selected group of potential output ON pulses from a chopper apparatus coupled with the motor and in relation to the program cycle time of a control microprocessor such that the resulting harmonic sidebands are positioned to minimize electromagnetic interference with that control signal.
First Claim
Family
International Classification(s)
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully