Research Article

Cylinder Position Servo Control Based on Fuzzy PID

Table 4

Experimental instruments.

NameModelSpecificationBrand

Main cylinderCA2WL40-500  mm, range: 500 mmSMC
Flow proportional valveMPYE-5-1/8-010BMax flow: 700 L/min, response: 3 ms, lag: 0.3%Festo
Pressure proportional valveMPPE-5-1/8-010BMax flow: 820 L/min, response: 3 ms, lag: 0.3%Festo
Displacement transducerMTS-500Range: 500 mm, resolution: 5 us, repeatability: ±0.001% FSMTS
Pressure transducerJYB-KO-HVGAccuracy: 0.25% FS, range: 0-1 Mpa, response: 30 ms, nonlinearity: ±0.2% FS, repeatability: ±0.1% FSKunlun Coast
Force transducerBK-1Range: 1500 N, accuracy: 0.05% FS, nonlinearity: 0.05% FS, repeatability: 0.05% FSKunlun Coast