Design method of nonlinear controller for pump displacement of in-wheel hydraulic hybrid power system
A technology of a hybrid power system and a design method, which is applied in the design field of a non-linear controller for pump displacement of a wheel hub hydraulic hybrid power system, can solve the influence of the control quality of the hydraulic system, the influence of the dynamic tracking quality of the pump displacement, and the coordinated control of the system. Problems such as complex problems, to achieve the effects of good working condition adaptability and robustness, small sprung mass, and strong practicability
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[0045]Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.
[0046] A method for designing a nonlinear controller for pump displacement of an in-wheel hydraulic hybrid power system will be described below with reference to the accompanying drawings, but the present invention is not limited to these embodiments.
[0047] Reference attached figure 1 , the core idea of the hub hydraulic hybrid system pump displacement nonlinear controller described in the present invention is the Lypunov stability principle, the target pump displacement in the calculation process is determined by the steady-state pu...
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