Patents
Sitemap › H02 - Generation, conversion, or distribution of electric power › H02P - Control or regulation of electric motors, generators, or dynamo-electric converters; Controlling transformers or reactors or choke coils › H02P 21 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation
Patents for H02P 21 - Arrangements or methods for the control of electric machines by vector control, e.g. by control of field orientation (7,114)
06/1987
06/25/1987DE3536483A1 Circuit arrangement for highly dynamic control of a multi-phase asynchronous machine
06/16/1987US4673858 Power converter for AC load
06/09/1987US4672287 Induction motor digital control system
06/09/1987US4671389 Speed control apparatus for an elevator
06/02/1987US4670698 Adaptive induction motor controller
04/1987
04/28/1987US4661755 Stepping motor control apparatus
04/22/1987EP0218729A1 Method of controlling a three-phase induction motor
03/1987
03/18/1987EP0214301A1 System for controlling torque of induction motor
03/18/1987EP0126779B1 Ac motor control system
03/11/1987CN85106848A Method of controlling the converter drive type inductive motor
02/1987
02/26/1987WO1987001250A1 Method of controlling a three-phase induction motor
02/12/1987DE3528887A1 Method and device for approximately determining the field angle of a rotary field machine
02/12/1987DE3528409A1 Method and device for monitoring the load state of a rotating mechanism which is driven by a field-oriented rotating-field machine
01/1987
01/08/1987DE3523665A1 Method for controlling an asynchronous machine
12/1986
12/16/1986US4629961 Method and apparatus for stabilizing the locus of a vector formed by integration
12/16/1986US4629958 Synchronous motor control system
12/09/1986US4628475 Pulse width modulation pulse generator
12/09/1986US4628240 Synchronous motor control system
12/02/1986US4626762 AC motor control system
12/02/1986US4626761 Method and apparatus for determining the flux vector of a rotating field machine
11/1986
11/26/1986EP0202603A2 Cross coupled current regulator
11/25/1986US4625159 Control apparatus for elevator
11/18/1986US4623042 Elevator control apparatus
10/1986
10/23/1986WO1986006227A1 Method of controlling a three-phase induction motor
10/22/1986EP0198372A2 Method and arrangement to control an induction motor
09/1986
09/09/1986US4611159 AC motor control system
08/1986
08/28/1986WO1986005043A1 System for controlling torque of induction motor
08/27/1986EP0191870A1 System for digitally controlling an induction motor
07/1986
07/15/1986US4600088 Apparatus for controlling elevators
07/08/1986CA1207379A1 Induction motor controller
06/1986
06/03/1986US4593240 Method and apparatus for determining the flux vector of a rotating-field machine from the stator current and the stator voltage, and the application thereof
05/1986
05/27/1986CA1205223A1 Control apparatus for elevator
04/1986
04/30/1986EP0179356A2 Method and device for controlling of a rotating field machine
04/29/1986US4585985 Method of real time operating point identification and pole adjustment for an induction motor drive system
03/1986
03/26/1986EP0175154A2 Method of controlling inverter-driven induction motor
03/25/1986CA1202364A1 Digital generation of 3 phase pwm waveforms for variable speed control of induction motor
03/13/1986WO1986001654A1 System for digitally controlling an induction motor
02/1986
02/25/1986US4573002 Servomotor control system
02/19/1986EP0171617A1 Method and device to operate an indirect converter with limitation of the surge current
02/05/1986EP0170368A1 Speed control apparatus for a synchronous motor
01/1986
01/28/1986US4567419 Control apparatus for elevator
12/1985
12/31/1985US4562396 Phase-locked loop control of an induction motor drive
12/18/1985EP0165020A2 Power converter for AC load
12/17/1985US4559485 Control systems for AC induction motors
12/17/1985CA1198156A1 Procedure and arrangement for regulating an asynchronous motor powered by fast electrical controllers
12/11/1985EP0163947A1 Stepping motor control apparatus
12/10/1985US4558269 Induction motor drive apparatus
11/1985
11/26/1985US4555755 AC Current control system
11/21/1985EP0161616A2 Method and device for stabilizing the local curve of a vector formed by integration
11/21/1985EP0161615A2 Method and device for defining the flux vector of a rotating field machine
10/1985
10/15/1985US4547719 Synchronous motor drive apparatus
09/1985
09/10/1985CA1193318A1 Terminal voltage limit regulator for a load commutated inverter
08/1985
08/27/1985CA1192608A1 Apparatus for the control of a salient-pole machine
08/20/1985CA1192256A1 Control systems for ac induction motors
08/07/1985EP0150472A2 Control system for improving induction motor transient response by excitation angle control
08/06/1985CA1191546A1 Noise reduction means for a dynamic stabilizer for synchonous machines having torsional oscillations and method
07/1985
07/30/1985US4532464 Control apparatus for induction motor
06/1985
06/18/1985US4524310 Method and apparatus of controlling induction motors
05/1985
05/29/1985EP0142563A1 System of controlling synchronous motor
05/07/1985CA1186727A1 Device for the field-oriented operation of a converter-fed asynchronous machine
05/02/1985EP0139006A1 System for controlling synchronous motor
04/1985
04/16/1985US4511978 Device for determining a parameter signal for a voltage-fed load
04/09/1985US4510430 Vector control method and system for an induction motor
04/02/1985US4509003 Vector control method and system for an induction motor
03/1985
03/05/1985US4503376 Control method for induction motors
03/05/1985US4503375 Method for controlling induction motor and apparatus therefor
02/1985
02/26/1985US4502005 Method and apparatus for determining the angle between the air-gap flux vector and the stator current vector of an asynchronous machine fed from an intermediate current-link frequency converter
02/18/1985EP0118544A4 Improved induction motor controller.
02/12/1985US4499414 AC Motor control method
02/12/1985US4499413 Method and apparatus for the control of synchronous motors
01/1985
01/29/1985CA1181800A1 Rotating field machine drive
12/1984
12/27/1984CA1180049A Motor control system
12/18/1984US4489261 Method and means for feeding electric energy to a portable power tool
12/18/1984CA1179775A1 Apparatus for determining the rotor angle of a synchronous machine
12/05/1984EP0127158A1 Method and apparatus to derive the flux vector of an induction machine from the stator current and the stator voltage, and application thereof
12/05/1984EP0126779A1 Ac motor control system
12/05/1984EP0126778A1 Servomotor control system
11/1984
11/20/1984US4484129 Speed control apparatus for polyphase induction motors
11/20/1984US4484128 Vector control system for AC motor drives
11/20/1984US4484126 Induction motor controller
11/06/1984US4481601 Method and circuitry for approximating the magnitude of a vector
10/1984
10/30/1984US4480301 Method and apparatus for controlling a pulsed frequency converter
10/23/1984US4479082 Motor control system
10/17/1984EP0121792A2 Vector control method and system for an induction motor
10/16/1984US4477763 Method of controlling inverter and system therefor
10/16/1984US4477762 Servomotor control method and apparatus therefor
10/10/1984EP0049241B1 Method and apparatus for controlling an ac induction motor
10/03/1984EP0120365A1 Method and device for controlling a variable speed asynchronous motor fed by a current converter
09/1984
09/26/1984EP0119583A1 AC current control system
09/19/1984EP0118544A1 Improved induction motor controller
09/13/1984WO1984003596A1 Method of controlling synchronous motor
09/05/1984EP0117514A2 Method for controlling induction motor and apparatus therefor
09/04/1984US4470000 Apparatus and method for simulating the machine flux of a rotating field machine
07/1984
07/24/1984US4461988 Apparatus for controlling an electrical vehicle drive system
07/17/1984US4460860 Method and apparatus for increasing the maximum speed of rotation of a synchronous machine with a given excitation field strength and terminal voltage
07/10/1984US4459534 Method for controlling induction motor and apparatus therefor
07/05/1984WO1984002619A1 System for controlling synchronous motor
07/03/1984US4458193 Method and apparatus for controlling an AC induction motor
07/03/1984US4458192 A.C. Motor drive apparatus
06/1984
06/26/1984US4456868 Method and apparatus for controlling AC motors
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