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Chinese Journal of Mechanical Engineering
Figure 1 | Chinese Journal of Mechanical Engineering

Figure 1

From: Force Compensation Control for Electro-Hydraulic Servo System with Pump–Valve Compound Drive via QFT–DTOC

Figure 1

Hydraulic schematic diagram of PCDS force control performance test platform. 1-servo motor; 2-gear pump; 3-pressure sensor; 4-pressure gauge switch; 5-pressure gauge; 6-check valve at pump outlet; 7-stop valve; 8-energy accumulator; 9-filter; 10-servo valve; 11-asymmetric cylinder; 12-check valve; 13-pressurized tank; 14-pressure release check valve; 15-oil replenishment check valve; 16-low pressure filter; 17-oil replenishment pump; 18-oil replenishment motor; 19- cooler; 20-position sensor

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