Matches 1 - 10 out of 10


Match Document Document Title
US20090085508 MOTOR CONTROLLER, CONTROL SYSTEM, AND CONTROL METHOD  
A motor controller includes a reference signal generator; an A/D converter performing A/D conversion of the cosine and the sine signals outputted from a resolver; a first amplitude calculator...
US20080284366 APPARATUS AND MEHTODS FOR DIAGNOSING MOTOR-RESOLVER SYSTEM FAULTS  
Apparatus and methods are provided for diagnosing faults in multiple, associated motor-resolver systems. One apparatus includes a swapping circuit coupling a first resolver to a first or second...
US20050046296 Electric motor and steering system using the same  
An electric motor is disclosed wherein a positive magnetic pole winding and a negative magnetic winding for each of plural phases in each of two systems are wound respectively around two teeth...
US20080278106 APPARATUS, SYSTEM, AND METHOD FOR SIMULATING OUTPUTS OF A RESOLVER TO TEST MOTOR-RESOLVER SYSTEMS  
An apparatus, system, and method are provided for simulating outputs of a resolver. One apparatus includes an adjustable sine waveform generator for simulating first and second sine wave signals,...
US20070262743 Linking Mechanism Of Interlock Members For Robot  
A linking interlock mechanism in a biped robot is provided that prevents the reduction gears in the servo device from being damaged due to an external impulsive force. A servo horn is fit to the...
US20080129241 Methods for Electric Vehicle Motor Control and Rotor Position Detection Fault-Tolerant Processing  
This invention provides methods for electric vehicle motor control and rotor position detection and fault-tolerant processing. The rotor position signal sampled by the system is compared with the...
US20100066347 Position sensor  
A resolver the resolver comprising an excitation coil for receiving an excitation signal formed by amplitude modulation of a high-frequency signal and a detection coil for outputting a detection...
US20080106229 Apparatus and method for detecting rotation angle of rotating body  
The rotation angle detection apparatus for detecting a rotation angle of a rotating body on the basis of a resolver signal outputted from a resolver mounted on the rotating body includes a first...
US20080272717 METHOD AND APPARATUS TO DETERMINE ROTATIONAL POSITION OF AN ELECTRICAL MACHINE  
A control system and method to determine position of a rotor relative to a stator for a synchronous multipole electrical machine is presented, including one for application on a fuel/electric...
US20160226508 Semiconductor Device  
In a semiconductor device, a sine wave signal is input to a first input part and a cosine wave signal is input to a second input part. A multiplexer alternately selects one of the sine wave signal...

Matches 1 - 10 out of 10