The application of computer-aided test (CAT) provides a brilliant future for characteristic test of electro-hydraulic proportional directional control valves and the technology of virtual instrument brings CAT into a new developing stage.

• 计算机辅助测试(CAT)技术的兴起和应用,为电液比例方向阀性能测试开辟了良好的发展前景。 虚拟仪器技术的出现,使液压 CAT 技术进入一个崭新的发展阶段。