Fig 1.
Global EV ownership.
Fig 2.
Schematic diagram of lithium battery pole plate rolling mill system.
Fig 3.
"ARM+DSP" basic architecture.
Fig 4.
"ARM+DSP" system division.
Fig 5.
SPI communication mode.
Fig 6.
SPI Mode 0 timing diagram.
Fig 7.
Structure diagram of correction system.
Fig 8.
Corrective flow diagram.
Fig 9.
Tension closed-loop control flow chart.
Table 1.
Fuzzy theory and quantitative factors of rectifying deviation.
Fig 10.
Affiliation function of polar slice correction bias e.
Table 2.
Fuzzy control rules table of ΔKP、ΔKI and ΔKD for deviation correction.
Fig 11.
Fuzzy PID correction simulation model.
Fig 12.
Small interference signal simulation.
Fig 13.
Large interference signal simulation.
Table 3.
Fuzzy theory and quantitative factors of unwinding tension.
Fig 14.
Affiliation function of unwinding tension deviation bias e.
Table 4.
Fuzzy control rules table of ΔKP、ΔKI and ΔKD for unwinding tension.
Fig 15.
Fuzzy PID tension simulation model.
Fig 16.
Interference signal simulation.
Fig 17.
Hardware architecture block diagram.
Fig 18.
Deflection drive circuit.
Fig 19.
Tension detection circuit.
Fig 20.
Program engineering block diagram.
Fig 21.
SPI communication simulation waveform.
Fig 22.
Tension control testing experiment.
Fig 23.
(a) ARM deflection control curve, (b) "ARM+DSP" deflection control curve.
Table 5.
Comparison Table of unwinding tension error.
Fig 24.
(a) ARM deflection control curve, (b) "ARM+DSP" deflection control curve.
Table 6.
Comparison table of unwinding and deviation correction errors.