Because of the development of electro-hydraulic servo technology,^1–3 multiple hydraulic valves have been widely used to drive an actuator in parallel, and scholars have achieved favorable results by using this method in some engineering applications.

中文翻译：

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电液伺服系统双阀并行预测控制

由于电液伺服技术的发展，^1~3个液压阀并联驱动一个执行机构已得到广泛应用，学者们在一些工程应用中采用这种方法取得了良好的效果。