Method for constructing off-line database of advance based on quick search method
A search method and construction method technology, applied in the field of axial force balance control of scroll machines, can solve problems such as large amount of calculation, consumption of computing resources and time, poor rapidity, etc., and achieve the effect of obvious effect and reduce the amount of optimization calculation.
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[0053] Such as figure 1 The shown method for constructing an advance offline database based on the fast search method comprises the following steps:
[0054] S1, constructing the database of "exhaust pressure-average cumulative error in the ascending section-lag angle" of the scroll machine;
[0055] S2, constructing the "tracking frequency-single lead" database of the vortex machine;
[0056] S3, constructing the "tracking frequency-double lead" database of the vortex machine.
[0057] Among them, if it is used for "single lead PID tracking control", only the first two steps can complete the database construction; if it is used for "double lead PID tracking control", it needs to include figure 1 Three steps are shown.
[0058] Such as figure 2 As shown, taking the exhaust pressure of a representative scroll machine as an example, under different exhaust port pressures, a relationship curve of "exhaust port pressure - axial gas separation force - main shaft rotation angle",...
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