Method and device for calculating mileage
A calculation method and a cruising mileage technology, which are applied in the field of cruising mileage calculation methods and devices, and can solve problems such as inaccurate cruising range, lack of real-time performance, and no consideration of the current driving state of the vehicle.
Active Publication Date: 2020-11-03
BEIJING JINGWEI HIRAIN TECH CO INC
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Problems solved by technology
The current driving state of the vehicle will affect the size of the cruising range, but the existing technology does not consider the current driving state of the vehicle, and thus the estimated cruising range is inaccurate and not real-time
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[0075] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0076] The embodiment of the present invention provides a calculation method of cruising range, which can be applied to the control system of automobiles, refer to figure 1 , the calculation method of mileage may include:
[0077] S11. Calculate the remaining energy of the battery of the electric vehicle at the current moment according to the acquired rated power data of the electric vehicle, the state of charge data at the current moment, and the battery heal...
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The invention provides a calculation method and device for the endurance mileage. The method comprises the steps that according to the obtained rated electric quantity data of an electric car, the charge status data of the current moment and battery health status data, the battery residual energy of the electric car at the current moment is calculated; energy dissipation data and trip mileage dataof the electric car are calculated; according to the energy dissipation data and the trip mileage data, the real-time average energy dissipation of the electric car is calculated; according to the battery residual energy and the real-time average energy dissipation, the endurance mileage of the electric car is obtained through calculation. When the endurance mileage of the electric car is calculated, the real-time average energy dissipation of the electric car is adopted, the real-time average energy dissipation can reflect the current running status of the car, and then the estimated endurance mileage is more accurate.
Description
technical field [0001] The invention relates to the field of electric vehicles, and more specifically, to a calculation method and device for cruising range. Background technique [0002] With the continuous development of advanced technologies in the automotive field, pure electric vehicles have become a research and development hotspot for major domestic and international manufacturers. For pure electric vehicles, the estimation of cruising range is one of the key points of electronic control technology. [0003] In the prior art, the method for calculating the cruising range is to estimate the average energy consumption according to the historical energy consumption value, and use the average energy consumption to calculate the cruising range. The current driving state of the vehicle will affect the size of the cruising range, but the existing technology does not consider the current driving state of the vehicle, and thus the estimated cruising range is inaccurate and not...
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IPC IPC(8): B60L58/10
CPCB60L2260/52B60L2260/54Y02T10/70
Inventor 周立岩许笑天
Owner BEIJING JINGWEI HIRAIN TECH CO INC