The invention relates to the technical field of EMB systems, in particular to a braking torque estimation method, device and equipment, a storage medium and a program product.The method comprises the steps that the current disc temperature of a brake disc is obtained, and a current reference friction coefficient temperature vector is obtained according to the current disc temperature; a wheel end reference friction coefficient disturbance vector generated during last braking is obtained, and a friction plate estimated friction coefficient is obtained according to the current reference friction coefficient temperature vector and the wheel end reference friction coefficient disturbance vector generated during last braking; and estimating the braking torque according to the estimated friction coefficient of the friction plate. Therefore, the friction coefficient is estimated by dynamically correcting the friction coefficient disturbance vector through the preset model and the filtering threshold value, the problems of inaccurate braking torque estimation, reference load data interference in the braking process, feedback control delay and the like are solved, the braking performance of an EMB system is remarkably improved, and the stability of a vehicle in the running process is improved.
本申请涉及EMB系统技术领域,特别涉及一种制动力矩估算方法、装置、设备、存储介质及程序产品,其中,方法包括:获取制动盘的当前盘温,并根据当前盘温得到当前参考摩擦系数温度向量;获取上一次制动时产生的轮端参考摩擦系数扰动向量,并根据当前参考摩擦系数温度向量和上一次制动时产生的轮端参考摩擦系数扰动向量得到摩擦片预估摩擦系数;根据摩擦片预估摩擦系数估算制动力矩。由此,通过预设模型和滤波阈值动态校正摩擦系数扰动向量进行摩擦系数估算,解决了制动力矩估算不准确、制动过程中参考载荷数据干扰、反馈控制延迟等问题,显著提升了EMB系统的制动性能,提高车辆行驶过程中的稳定性。
Braking torque estimation method, device, equipment, storage medium and program product
制动力矩估算方法、装置、设备、存储介质及程序产品
08.04.2025
Patent
Elektronische Ressource
Chinesisch
IPC: | B60T Bremsanlagen für Fahrzeuge oder Teile davon , VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF |
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