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Apparatus and method for controlling a converter

A converter and controller technology, applied in the direction of control device, power consumption device, battery/fuel cell control device, etc.

Active Publication Date: 2019-06-14
HYUNDAI MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, the SOC generated by the sensor is 80~100%, and the durability cycle life is 100%, but actually, the SOC is 70~100%, and the durability cycle life is only 90%

Method used

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  • Apparatus and method for controlling a converter
  • Apparatus and method for controlling a converter
  • Apparatus and method for controlling a converter

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Embodiment approach

[0053] According to an exemplary embodiment of the present invention, by additionally correcting the battery state information generated by the sensor under a ready condition, the accuracy of the battery state information can be improved by approximately ±3 to 5%. Further, it is possible to reduce the load of the low voltage converter in the sections of parking, acceleration and constant speed running and increase the energy recovery in the section of deceleration running. Additionally, durability performance can be enhanced by improving the accuracy of battery charge levels for more precise control of how much is charged or discharged.

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Abstract

The present invention provides an apparatus and method for controlling a converter. The device includes a battery and a sensor configured to sense the battery to generate sensor battery status information. The converter controller is configured to acquire the sensor battery state information and the vehicle state information received from the vehicle controller to calculate corrected battery state information based on whether a correction execution condition with respect to the sensor battery state information is satisfied. In addition, the converter controller uses the corrected battery state information and the sensor battery state information to calculate an error correction value, and uses the error correction value to calculate actual battery state information. The converter is then configured to power the battery based on the sensor battery status information or the actual battery status information.

Description

[0001] Cross References to Related Applications [0002] This application claims the benefit of priority from Korean Patent Application No. 10-2014-0127395 filed on September 24, 2014, the entire contents of which are incorporated herein by reference. technical field [0003] The present invention relates to a technique of calculating battery information, and more particularly, to an apparatus and method for controlling a converter to improve the accuracy of battery state information about an auxiliary battery using detailed conditions of a specific correction value while a vehicle is running. Background technique [0004] Vehicles using internal combustion engines use gasoline or heavy oil as main fuel, which causes pollution such as air pollution. Therefore, in recent years, in order to reduce such pollution, environmentally friendly vehicles have been developed. An eco-friendly or environment-friendly vehicle is a type of vehicle that uses a battery engine operated by e...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L53/20B60L58/12B60L58/16
CPCB60L2240/545B60L2240/547B60L2240/549B60L2260/44G01R31/367G01R31/392G01R31/3835B60L58/12H02J7/0048H02J2310/48Y02T10/70Y02T10/7072Y02T90/14Y02E60/10H02J7/005G01R31/387G01R31/382G01R31/374B60L50/60H01M10/48B60L53/24B60L3/0046B60L58/16B60L2210/10B60Y2200/91B60Y2200/92
Inventor 金成泰柳昌烈
Owner HYUNDAI MOTOR CO LTD
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