Method and apparatus for predicting average energy consumption of an electric vehicle

A device for predicting average energy consumption of an electric vehicle, comprising a processor, a communication interface, a memory, and a communication bus,

• wherein the processor, the communication interface, and the memory communicate through the communication bus;
• and the communication interface is an interface of a communication module;
• the memory is configured to store program codes and transmit the program codes to the processor;
• and
• the processor is configured to invoke instructions of the program codes in the memory to:
• acquire a real-time voltage and a real-time current of a battery pack of the electric vehicle in real time when the electric vehicle is traveling;
• determine actual energy consumption of a traveled mileage segment of the electric vehicle at a current moment based on the real-time voltage and the real-time current, wherein the traveled mileage segment comprises a plurality of unit mileage segments before the current moment;
• determine initial average energy consumption of the electric vehicle at the current moment based on actual energy consumption values of the unit mileage segments of the traveled mileage segment;
• acquire target average energy consumption and an average energy consumption adjustment parameter of the electric vehicle, wherein the target average energy consumption is obtained by:
• acquiring total energy of the battery pack and maximum mileage corresponding to the battery pack;
• and determining the target average energy consumption based on a ratio of the total energy to the maximum mileage;
• determine actual average energy consumption of the electric vehicle at the current moment based on the initial average energy consumption, the target average energy consumption and the average energy consumption adjustment parameter;
• output a current energy consumption to a user in the electric vehicle based on the actual average energy consumption;
• and
• wherein the processor is configured to invoke the instructions of the program codes in the memory to:
• adjust the initial average energy consumption based on the average energy consumption adjustment parameter and determine the adjusted initial average energy consumption as the actual average energy consumption of the electric vehicle at the current moment, in a case that an absolute value of a difference between the initial average energy consumption and the target average energy consumption is greater than or equal to a first threshold;
• and
• determine the target average energy consumption as the actual average energy consumption of the electric vehicle at the current moment, in a case that the absolute value of the difference between the initial average energy consumption and the target average energy consumption is smaller than the first threshold.

A non-transitory computer readable storage medium, configured to store a computer program, wherein the computer program, when being executed by a processor, causes the processor to:

• acquire a real-time voltage and a real-time current of a battery pack of the electric vehicle in real time when the electric vehicle is traveling;
• determine actual energy consumption of a traveled mileage segment of the electric vehicle at a current moment based on the real-time voltage and the real-time current, wherein the traveled mileage segment comprises a plurality of unit mileage segments before the current moment;
• determine initial average energy consumption of the electric vehicle at the current moment based on actual energy consumption values of the unit mileage segments of the traveled mileage segment;
• acquire target average energy consumption and an average energy consumption adjustment parameter of the electric vehicle, wherein the target average energy consumption is obtained by:
• acquiring total energy of the battery pack and maximum mileage corresponding to the battery pack;
• and determining the target average energy consumption based on a ratio of the total energy to the maximum mileage;
• determine actual average energy consumption of the electric vehicle at the current moment based on the initial average energy consumption, the target average energy consumption and the average energy consumption adjustment parameter;
• output a current energy consumption to a user in the electric vehicle based on the actual average energy consumption;
• and
• wherein the processor is configured to invoke the instructions of the program codes in the memory to:
• adjust the initial average energy consumption based on the average energy consumption adjustment parameter and determine the adjusted initial average energy consumption as the actual average energy consumption of the electric vehicle at the current moment, in a case that an absolute value of a difference between the initial average energy consumption and the target average energy consumption is greater than or equal to a first threshold;
• and
• determine the target average energy consumption as the actual average energy consumption of the electric vehicle at the current moment, in a case that the absolute value of the difference between the initial average energy consumption and the target average energy consumption is smaller than the first threshold.