Method of preventing over stroke in rear-wheel steering system and linear sensor applied thereto
US-2015367882-A1 · Dec 24, 2015 · US
Motor control device and electric power steering apparatus
US8958951B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8958951-B2 |
| Application number | US-201314140203-A |
| Country | US |
| Kind code | B2 |
| Filing date | Dec 24, 2013 |
| Priority date | Jan 11, 2013 |
| Publication date | Feb 17, 2015 |
| Grant date | Feb 17, 2015 |
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Abstract
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A motor control apparatus includes a plurality of voltage detecting sections configured to each detect a terminal voltage of one of phases of a brushless motor, and a control section configured to control driving of the motor. The control section takes in, via separate signal lines, detection signals of the voltage detecting sections. When the condition that any two of terminal voltage detection values of respective phases obtained from the detection signals of the voltage detecting sections are continuously equal to each other is satisfied, the control section determines that a short circuit has occurred between any of the signal lines.
First claim
Opening claim text (preview).
The invention claimed is: 1. A motor control device comprising: a plurality of voltage detecting sections, each of which is configured to detect a terminal voltage of one of phases of a brushless motor, wherein the brushless motor comprises a plurality of coils and a plurality of terminals, the terminals are respectively connected to the coils, and the terminal voltage is a voltage of one of the terminals; and a control section configured to control driving of the brushless moto…
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Classifications
- B62D5/0487Primary
Operations & Transport · mapped topic
Operations & Transport · mapped topic
- H02P6/12Primary
Electricity · mapped topic
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Frequently asked questions
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- What does patent US8958951B2 cover?
- A motor control apparatus includes a plurality of voltage detecting sections configured to each detect a terminal voltage of one of phases of a brushless motor, and a control section configured to control driving of the motor. The control section takes in, via separate signal lines, detection signals of the voltage detecting sections. When the condition that any two of terminal voltage detectio…
- Who is the assignee on this patent?
- Jtekt Corp
- What technology area does this patent fall under?
- Primary CPC classification B62D5/0487. Mapped technology areas include Operations & Transport.
- When was this patent published?
- Publication date Tue Feb 17 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).