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Nidec Servo Corporation patents


Recent patent applications related to Nidec Servo Corporation. Nidec Servo Corporation is listed as an Agent/Assignee. Note: Nidec Servo Corporation may have other listings under different names/spellings. We're not affiliated with Nidec Servo Corporation, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nidec Servo Corporation-related inventors


Motor drive control device and motor control method

A motor drive control device includes a sensorless drive processing unit and a rotation state determining unit, and outputs drive signals to a three-phase voltage type inverter that supplies drive current to a sensorless motor. The sensorless drive processing unit of the motor drive control device performs sensorless drive processing by closed-loop speed control, based on voltage applied to shunt resistance of the inverter. ... Nidec Servo Corporation

Motor

A motor includes a rotor including a shaft arranged along a central axis extending in one direction; and a stator arranged radially outside of the rotor. The stator includes a stator core including an annular core back portion arranged to surround the rotor, and a plurality of tooth portions arranged to extend radially inward from the core back portion; and coils each of which is wound around a separate one of the tooth portions. ... Nidec Servo Corporation

Motor apparatus

A motor apparatus includes: an inverter arranged to drive a motor with a voltage outputted from a driving element; a rectifier circuit arranged to rectify alternating-current power to generate direct-current power to be applied to the driving element; a measuring section arranged to measure a voltage of the direct-current power; and a control circuit arranged to control the inverter in accordance with a result of a measurement by the measuring section; wherein the control circuit is arranged to vary an amplitude value of a drive signal to be applied to a base or gate of the driving element in a complementary manner in relation to a fluctuation in the voltage of the direct-current power.. . ... Nidec Servo Corporation








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