Tension Control Method in Coil Area of Strip Processing Line
A tension control and processing line technology, which is applied in the field of strip steel production, can solve problems such as poor quality of strip steel products, strip steel tension oscillation, and affect the processing line, etc., to solve tension oscillation, reduce product quality problems, and ensure normal control Effect
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[0035] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:
[0036] see figure 1 , the strip steel processing line coiling area tension control method of the present invention, comprises the steps:
[0037] 1) The PLC receives and processes the yield strength and thickness parameters of the running strip on the processing line;
[0038] 2) Set the output Q of the coiler torque controller of the PLC according to the aforementioned parameters n :
[0039] Q n =Q n-1 +A*GAIN*(T 0 / T n )*(DEV n +DEV n-1 ) / 2,
[0040] in,
[0041] Q n : is the output (0-1) of the torque controller of the coiler at sampling time n,
[0042] Q n-1 : is the output (0-1) of the coiler torque controller at sampling time n-1,
[0043] T 0 : program scan time (1-15ms),
[0044] T n : integration time (5-15s),
[0045] GAIN: Gain proportional coefficient (9*10 -6 -18*10 -6 ),
[0046] A: Coiler torque controller adj...
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