Motor drive controller and electric power-assisted vehicle

A controller for driving a motor in a motor driven vehicle, provided with: a detection part, a control coefficient computing part, and a control part. The control coefficient computing part identifies, as a first vehicle speed, the speed of the vehicle when the detection part detects a start signal...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ASANUMA KAZUO, SHIRAKAWA HIROKAZU, HOSAKA YASUO, KAWAGOE KUNIAKI
Format:	Patent
Sprache:	eng
Schlagworte:	CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TOTRANSPORTATION CYCLES ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES PERFORMING OPERATIONS POWERED PROPULSION OF SLEDGES OR RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE TRANSMISSIONS SPECIALLY ADAPTED FOR SUCH VEHICLES TRANSPORTING VEHICLES IN GENERAL
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Beschreibung
Zusammenfassung:	A controller for driving a motor in a motor driven vehicle, provided with: a detection part, a control coefficient computing part, and a control part. The control coefficient computing part identifies, as a first vehicle speed, the speed of the vehicle when the detection part detects a start signal for regeneration control, the control coefficient computing part assigning a prescribed value to a control coefficient that determines a value of a control parameter that controls the motor relative to a target value of the control parameter. The target value is a value of the control parameter at which the motor achieves a desired power generation efficiency, and the control coefficient computing part increases the control coefficient if a current vehicle speed becomes faster than the first vehicle speed, and decreases the control coefficient if the current vehicle speed becomes slower than the first vehicle speed.