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1. 发明公开

EP4166403A1 SMART BRAKE SYSTEM AND METHOD 审中-公开
公开(公告)号：EP4166403A1
公开(公告)日：2023-04-19
申请号：EP21202677.7
申请日：2021-10-14
申请人： Hitachi, Ltd.
发明人： OHAZULIKE, Anthony
IPC分类号： B60T17/22 , F16D66/00
摘要： A smart brake system for adjusting a brake clamping force to be applied to brake pads of a vehicle brake in which the brake pads rub against a rotor to slow the vehicle. The system comprises: an interface for receiving vehicle operation data measured by vehicle sensors, a memory device for storing data about a previous brake event, data about a current brake event, and a temperature prediction model, and a controller operatively connected to the interface and the memory device. The controller is configured: to estimate the current temperature of the rotor using the temperature prediction model, and to adjust the brake clamping force applied to the brake pads to compensate for the estimated current temperature. The vehicle operation data include current ambient temperature, current brake clamping force and current vehicle speed. The data about a current brake event include the elapsed time since the current brake event started. The data about a previous brake event include the elapsed time since the previous brake event finished and the duration of the previous brake event. The controller is configured to estimate the current temperature of the rotor from the vehicle operation data, the data about a previous brake event, and the data about a current brake event using the temperature prediction model.

2. 发明公开

EP4383019A1 VIRTUAL SENSOR 审中-实审
公开(公告)号：EP4383019A1
公开(公告)日：2024-06-12
申请号：EP22212252.5
申请日：2022-12-08
申请人： Hitachi, Ltd.
发明人： OHAZULIKE, Anthony
IPC分类号： G05B13/02
CPC分类号： G05B13/0265
摘要： A device 1 for determining values of parameters related to a machine, the device 1 comprising an input interface for receiving input data; one or more sets 2 of determination units 3, wherein each set 2 includes a plurality of determination units 3 and each determination unit 3 within one set 2 is configured to determine a value of a predetermined parameter for a target point based on the received input data, and wherein one or more determination units 3 from one set 2 are combined into a subset 5 of determination units 3 and each subset 5 is configured to determine a value of the predetermined parameter for a target point associated to the subset 5; and an output interface for outputting a value determined by the subset 5.

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