Satellite storage battery electric quantity estimation method and system based on complementary filter
A complementary filter and battery technology, applied in the field of satellite power supply, can solve problems such as large amount of calculation, unsuitable for complex algorithms, limited satellite computing resources, etc., to improve estimation accuracy, facilitate spacecraft energy security management, and improve satellite power. The effect of estimating accuracy
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[0053]The present invention will be described in detail below with reference to the specific embodiments. The following examples will help to further understand the present invention in any form of technicrat, it will be further understood by those skilled in the art. It should be noted that several variations and improvements can be made without departing from the concept of the present invention without departing from the present invention. These are all of the scope of protection of the present invention.
[0054]Such asfigure 1 The schematic block diagram of the complementary filter is shown.
[0055]In response to the presence of a cumulative error problem for satellite security, the present invention utilizes an open circuit voltage method to estimate the battery power Q.EkLast moment, power Qk-1Difference ΔQkCorrect charge current Ik, Re-use the PI corrected charge and discharge current ITkIntegral operation Get high-precision power estimation Qk.
[0056]The high frequency section of...
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