View source for 18436595. WIPER CONTROLLER simplified abstract (DENSO CORPORATION)

=WIPER CONTROLLER=


==Organization Name==

[[:Category:DENSO CORPORATION|DENSO CORPORATION]]


[[Category:DENSO CORPORATION]]

==Inventor(s)==

[[:Category:HIROTO Osakabe of Kariya-city (JP)|HIROTO Osakabe of Kariya-city (JP)]][[Category:HIROTO Osakabe of Kariya-city (JP)]]

[[:Category:RYUMA Mito of Kariya-city (JP)|RYUMA Mito of Kariya-city (JP)]][[Category:RYUMA Mito of Kariya-city (JP)]]

==WIPER CONTROLLER - A simplified explanation of the abstract==


This abstract first appeared for US patent application 18436595 titled 'WIPER CONTROLLER

==Simplified Explanation==
The patent application describes a wiper controller that uses vector control to limit the q-axis current of a motor to zero in response to an overvoltage condition in the power supply.

* The wiper controller includes a driver with a three-phase bridge circuit and a controller.
* The controller switches the switching elements of the bridge circuit to control the motor's electrical conduction through vector control.
* The controller limits the q-axis current to zero when the power supply's voltage exceeds a preset overvoltage determination value.

==Key Features and Innovation==
* Three-phase bridge circuit driver for wiper control.
* Vector control to limit q-axis current to zero.
* Overvoltage protection feature.

==Potential Applications==
The technology can be used in automotive wiper systems, industrial machinery, and other applications requiring precise motor control and overvoltage protection.

==Problems Solved==
* Prevents motor damage due to overvoltage conditions.
* Ensures smooth and controlled operation of wiper systems.

==Benefits==
* Enhanced motor protection.
* Improved performance and reliability of wiper systems.
* Energy efficiency through precise motor control.

==Commercial Applications==
* Automotive industry for wiper systems.
* Industrial machinery for precise motor control.
* Consumer electronics for efficient motor operation.

==Questions about Wiper Controller==
===How does the wiper controller prevent motor damage during overvoltage conditions?===
The wiper controller limits the q-axis current to zero when the power supply voltage exceeds a preset overvoltage determination value, protecting the motor from damage.

===What are the potential applications of the wiper controller technology beyond automotive use?===
The technology can be applied in various industries requiring precise motor control and overvoltage protection, such as industrial machinery and consumer electronics.


==Original Abstract Submitted==

A wiper controller includes a driver and a controller. The driver includes a three-phase bridge circuit having switching elements connecting a positive electrode and a negative electrode of a direct current power supply to terminals of a motor. The controller switches the switching elements between an on-state and an off-state. The controller controls electrical conduction of the motor through vector control by switching the switching elements between the on-state and the off-state to limit a value of a q-axis current to zero, in response to that a detection voltage value of the direct current power supply exceeds a preset overvoltage determination value.



[[Category:H02P21/16]]
[[Category:B60S1/08]]
[[Category:H02P21/22]]
[[Category:CPC_H02P21/16]]