The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 21, 2024
Filed:
Apr. 01, 2022
Denso Corporation, Kariya, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Jtekt Corporation, Kariya, JP;
Takuya Maegawa, Kariya, JP;
Hiroki Tomizawa, Kariya, JP;
Hiroyasu Otake, Kariya, JP;
Yuuta Kajisawa, Okazaki, JP;
Yuji Fujita, Okazaki, JP;
Tokuaki Hibino, Toyota, JP;
Yosuke Yamashita, Nagoya, JP;
Atsushi Satou, Miyoshi, JP;
Masaharu Yamashita, Toyota, JP;
DENSO CORPORATION, Kariya, JP;
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
JTEKT CORPORATION, Kariya, JP;
Abstract
A main power supply having a large capacity and a backup power supply having a small capacity are switchable by a power supply switching determination unit in a system. A motor control device drives a motor by the main power supply or the backup power supply. A drive control unit outputs a drive signal, calculated by feedback control of the current detection value with respect to the current command value, to an inverter circuit. When the power supply switching determination unit switches from the main power supply to the backup power supply, the drive control unit moves from a normal control using the main power supply to a backup control that restricts an electric power consumption and prevents the backup power supply from stopping.