State observer for synchronous motors
Abstract
A state observer driven by measurements of phase voltages and currents for estimating the angular orientation of a rotor of a synchronous motor such as a variable reluctance motor (VRM). Phase voltages and currents are detected and serve as inputs to a state observer. The state observer includes a mathematical model of the electromechanical operation of the synchronous motor. The characteristics of the state observer are selected so that the observer estimates converge to the actual rotor angular orientation and velocity, winding phase flux linkages or currents.
 Inventors:

 Waltham, MA
 Issue Date:
 Research Org.:
 AEROSPACE CORP
 OSTI Identifier:
 869205
 Patent Number(s):
 5296793
 Application Number:
 06/927,532
 Assignee:
 Massachusetts Institute of Technology (Cambridge, MA)
 DOE Contract Number:
 AC0880CS50101
 Resource Type:
 Patent
 Country of Publication:
 United States
 Language:
 English
 Subject:
 observer; synchronous; motors; driven; measurements; phase; voltages; currents; estimating; angular; orientation; rotor; motor; variable; reluctance; vrm; detected; serve; inputs; mathematical; model; electromechanical; operation; characteristics; selected; estimates; converge; velocity; winding; flux; linkages; synchronous motor; mathematical model; angular orientation; phase voltages; /318/
Citation Formats
Lang, Jeffrey H. State observer for synchronous motors. United States: N. p., 1994.
Web.
Lang, Jeffrey H. State observer for synchronous motors. United States.
Lang, Jeffrey H. Tue .
"State observer for synchronous motors". United States. https://www.osti.gov/servlets/purl/869205.
@article{osti_869205,
title = {State observer for synchronous motors},
author = {Lang, Jeffrey H},
abstractNote = {A state observer driven by measurements of phase voltages and currents for estimating the angular orientation of a rotor of a synchronous motor such as a variable reluctance motor (VRM). Phase voltages and currents are detected and serve as inputs to a state observer. The state observer includes a mathematical model of the electromechanical operation of the synchronous motor. The characteristics of the state observer are selected so that the observer estimates converge to the actual rotor angular orientation and velocity, winding phase flux linkages or currents.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1994},
month = {3}
}
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