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Method and apparatus for controlling converter in fuel cell vehicle

一种燃料电池车、变换器的技术，应用在电池/燃料电池控制装置、燃料电池、动力系统燃料电池等方向，能够解决控制量分辨率和水平精度劣化、系统动态性质劣化等问题，达到克服控制精度和动态性质的任何劣化、改善分辨率和精确程度、稳定化控制的效果

Active Publication Date: 2014-06-18
HYUNDAI MOTOR CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the maximum value of the triangular wave is limited, the amount of control provided, the resolution of the overall control and the horizontal accuracy are also degraded
Furthermore, the dynamic properties of the system degrade

Method used

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  • Method and apparatus for controlling converter in fuel cell vehicle
  • Method and apparatus for controlling converter in fuel cell vehicle
  • Method and apparatus for controlling converter in fuel cell vehicle

Examples

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Embodiment Construction

[0022] In the following detailed description, by way of illustration only, there are shown and described certain embodiments of the invention. Those skilled in the art would realize that the described embodiments can be modified in various ways without departing from the spirit or scope of the present invention. Accordingly, the drawings and descriptions should be regarded as illustrative and not as binding. Throughout the specification, the same reference numerals refer to similar parts.

[0023] Throughout the specification, unless expressly stated otherwise, the word "comprise" and variations thereof such as "comprising" or "comprises" shall be understood to include stated elements but not to exclude any other elements.

[0024] It will be understood that the term "vehicle" or "vehicular" or other similar terms as used herein includes motor vehicles in general, such as including sport utility vehicles (SUVs), buses, vans, various commercial vehicles passenger cars, ships ...

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PUM

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Abstract

The invention provides a method and apparatus for controlling a converter in a fuel cell vehicle. The apparatus comprises a first amplifier, which is configured to take the power control value controlled by the converter power as the reference value and generates a current reference signal based on the reference value; a current sensor, which is configured to detect the current of the output terminal of the converter; a current controller, which is configured to compare the current reference signal with the detected current of the output terminal so as to finally output the final reference signal; a triangular wave generator, which is configured to generate triangular waves; a second amplifier, which is configured to amplify the generated triangular waves; and a comparing unit, which is configured to compared the amplified triangular wave signals with the final reference signal so as to output the pulse wave signal for controlling the converter.

Description

technical field [0001] The present invention relates to the control of inverters, and more particularly to apparatus and methods for controlling high capacity inverters used in fuel cell vehicles. Background technique [0002] Fuel cells convert chemical energy generated by oxidation of fuel into electrical energy. Although both fuel cells and batteries utilize chemical cells that carry out redox reactions, in batteries the cell reactions are generated in a closed system whereas in fuel cells fuel and oxidant (reactants) are supplied continuously from outside the system and then When the reaction occurs, it will be continuously removed out of the system again. In recent years, fuel cells have been commercialized, and since the reaction product of fuel cells is pure water, research related to water as an energy source for environmentally friendly vehicles has been actively conducted. [0003] In order to efficiently use energy, fuel cell vehicles utilize a hybrid system wit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02M3/00B60L11/18H02M1/00
CPCG05F1/462H02M3/156B60L2210/10H01M8/04917H01M8/04567H01M2250/20B60L58/40Y02T10/72Y02T90/40Y02T10/70Y02E60/50H02M1/0025H02M1/0009H02M3/155H02M1/32H02M3/33507B60L1/12
Inventor 金志泰闵丙昊李在文姜昊成
Owner HYUNDAI MOTOR CO LTD
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