Motor drive control device and operation method thereof
US-9496814-B2 · Nov 15, 2016 · US
Motor drive controller and method for operating the same
US9178462B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-9178462-B2 |
| Application number | US-201314087237-A |
| Country | US |
| Kind code | B2 |
| Filing date | Nov 22, 2013 |
| Priority date | Jan 23, 2013 |
| Publication date | Nov 3, 2015 |
| Grant date | Nov 3, 2015 |
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Abstract
Official abstract text for this publication.
A motor driver controller including a difference control section; a driver output section; a drive current detection amplifier; and a load short-circuit detection circuit. A motor and sensing resistor is coupled in series and coupled to an output terminal of the driver output section. The difference control section generates a drive voltage command signal in response to a drive current command value and a drive current detection signal. The driver output section drives the motor and sensing resistor, in response to the drive voltage command signal, and a drive current detection amplifier generates a signal fed to the difference control section, in response to a drive current of the sensing resistor. The load short-circuit detection circuit detects an abnormal oscillation waveform signal caused by a short-circuit state between the both ends of the motor.
First claim
Opening claim text (preview).
What is claimed is: 1. A motor drive controller, comprising: a difference control section; a driver output section; a drive current detection amplifier; and a load short-circuit detection circuit, wherein a motor and sensing resistor coupled in series can be coupled to an output terminal of the driver output section, wherein the difference control section generates a drive voltage command signal in response to a drive current command value and a drive current detection signal,…
Assignees
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Classifications
- H02P25/028Primary
Electricity · mapped topic
- H02P25/034Primary
Electricity · mapped topic
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Frequently asked questions
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- What does patent US9178462B2 cover?
- A motor driver controller including a difference control section; a driver output section; a drive current detection amplifier; and a load short-circuit detection circuit. A motor and sensing resistor is coupled in series and coupled to an output terminal of the driver output section. The difference control section generates a drive voltage command signal in response to a drive current command …
- Who is the assignee on this patent?
- Renesas Electronics Corp
- What technology area does this patent fall under?
- Primary CPC classification H02P25/028. Mapped technology areas include Electricity.
- When was this patent published?
- Publication date Tue Nov 03 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).