基于单压力传感器的摩托车轮缸压力控制研究OA

With the advancement of motorcycle electronic safety technology,stability control for emergency braking during cornering becomes a research focus.We address instability caused by steering torque from ground friction during curve braking.We propose a closed-loop wheel cylinder pressure control method that requires only a single pressure sensor.Firstly,a logic-threshold-based anti-lock braking system controller is designed.It employs a variable-slope pressure increase strategy and uses the pressure-volume characteristic curve of the wheel cylinder for precise pressure regulation.Secondly,to overcome the limitation of having only a front-axle pressure sensor,a master cylinder pressure estimation method based on wheel cylinder pressure feedback is introduced.A co-simulation platform is built using AMESim,Simulink,and BikeSim.Real-vehicle tests are conducted on typical road surfaces,including high-adhesion,low-adhesion and transitioning conditions.The results demonstrate that the proposed strategy enables fast and stable tracking of target wheel cylinder pressure.In experiments,the tracking error of the wheel cylinder pressure is consistently less than±0.85 MPa.During braking tests on step-type road surfaces transitioning from low to high adhesion,the slip ratio is maintained within a stable range of －1.58%to 24.94%,and the braking process remained smooth.This provides an effective technical solution for enhancing the braking safety of motorcycles in cornering scenarios.