Coordinated control method for vehicle-mounted air conditioner and regenerative braking
A technology for regenerative braking and vehicle air conditioning, applied in control devices, electric braking systems, battery/fuel cell control devices, etc. The effect of reducing vehicle operating costs, alleviating mileage anxiety, and improving battery energy efficiency
Active Publication Date: 2021-07-23
CHONGQING UNIV
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Problems solved by technology
However, the current vehicle air conditioning control technology does not integrate regenerative braking energy for coordinated control, nor does it evaluate its impact on battery aging
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[0088] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.
[0089] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...
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The invention relates to a coordinated control method for a vehicle-mounted air conditioner and regenerative braking, which belongs to the field of vehicle-mounted control. The method comprises the following steps of S1, constructing a control-oriented compartment heat model, S2, conducting compartment heat management based on regenerative braking, and S3, conducting carriage heat management fused with vehicle speed planning. The S1 comprises the following substeps of S11, electric vehicle heat and power circulation based on regenerative braking, and S12, construction of a dynamic model of the air conditioning system. An air blower in the compartment ensures ventilation of the compartment, and ambient air flow is controlled by a recirculation valve; the evaporator absorbs heat in the vehicle, and the heat is dissipated to the external environment through the condenser; the compressor keeps the refrigerant flowing between the evaporator and the condenser; and the regenerative braking energy is used for driving a vehicle-mounted air conditioner and charging a battery. The energy consumption of the vehicle is reduced, and the service life of the battery is prolonged.
Description
technical field [0001] The invention belongs to the field of vehicle control, and relates to a method for coordinated control of a vehicle air conditioner and regenerative braking. Background technique [0002] Pure electric vehicles are considered to be the most potential technology for decarbonization in the transportation sector and have developed rapidly in recent years. However, the development of electric vehicles is still limited by the current battery technology, including the disadvantages of low energy density, short service life and long charging time. The present invention is dedicated to reducing battery aging to prolong its service life. [0003] How to prolong the service life of power batteries to meet the needs of practical applications has become a common problem in academia and industry. For example, Tesla proposes to slow down battery aging by changing vehicle driving methods and charging habits, but it still cannot meet the demand for long service life...
Claims
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IPC IPC(8): B60H1/00B60L7/10B60L58/10
CPCB60H1/0073B60L7/10B60L58/10B60L2240/42B60L2240/54Y02T10/70
Inventor 张永志童琅
Owner CHONGQING UNIV