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The original version of this article unfortunately contained two mistakes. In p.406 and p.408, the titles of Figs. 2 and 3 were missing, which are given below:
Fig. 2 Schematic diagram of the pump model (a) and single piston chamber model (b). Vp is the velocity of the piston (Fig. 2a is reprinted from (Ye et al., 2014), Copyright 2014, with permission from ASME).
Fig. 3 Test rig used to measure the flow ripple of axial piston pumps (Reprinted from (Ye et al., 2014), Copyright 2014, with permission from ASME).
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The online version of the original article can be found under http://dx.doi.org/10.1631/jzus.A1400309
The online version of the original article can be found at http://dx.doi.org/10.1631/jzus.A1400309.
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Xu, B., Ye, Sg. & Zhang, Jh. Erratum to: Effects of index angle on flow ripple of a tandem axial piston pump. J. Zhejiang Univ. Sci. A 16, 680 (2015). https://doi.org/10.1631/jzus.A14e0309
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DOI: https://doi.org/10.1631/jzus.A14e0309