A multi-drive wheel integrated control system and method for an electric vehicle

Abstract

A multi-drive wheel integrated control system -for an electric vehicle includes an integrated control circuit, a voltage detection circuit, a current detection circuit, a temperature sensor, a torquesensor, a rotational speed sensor, a horizontal sensor and a tire pressure sensor; a voltage detection circuit, a current detection circuit, a temperature sensor, a torque sensor, a rotational speed sensor and a tire pressure sensor constitute a working group; the number of the horizontal sensor is two, and each two horizontal sensors constitute a detection group; The control method includes fivesteps: equipment assembly, programming communication program, data collection, data operation and vehicle running state adjustment. On the one hand, the invention can effectively realize the comprehensive and effective detection of the running data of each traction wheel in the running process of the electric vehicle, on the other hand, the traction force, the rotational speed and the torque of each traction wheel of the electric vehicle can be adjusted integrally with the detection data, so as to ensure that the running states of each traction wheel are kept consistent-.

Description

technical field [0001] The invention relates to an electric vehicle multi-drive wheel integrated control system and method, belonging to the technical field of electric vehicles. Background technique [0002] In order to improve the power performance of electric vehicles, it is often necessary to equip electric vehicles with two or more driving wheels for traction. However, in actual operation, it is found that when the number of traction wheels of electric vehicles The traction wheel is equipped with an independent driving motor, but due to the performance difference of the driving motor, the friction between the tire and the road surface, the resistance difference and the wear difference of the tire transmission system during the operation of the vehicle, the actual output of each traction wheel during the operation of the vehicle is caused. There are certain differences in traction force, speed and torque. On the one hand, it is easy to cause the traction wheel with slow ...

AI Technical Summary

Problems solved by technology

[0002] In order to improve the power performance of electric vehicles, it is often necessary to equip electric vehicles with two or more driving wheels for traction. However, in actual operation, it is found that when the number of traction wheels of electric vehicles The traction wheel is equipped with an independent driving motor, but due to the performance difference of the driving motor, the friction between the tire and the road surface, the resistance difference and the wear difference of the tire transmission system during the operation of the vehicle, the actual output of each traction wheel during the operation of the vehicle is caused. There are certain differences in traction force, speed and torque. On the one hand, it is easy to cause the traction wheel with slow speed and small torque to become the load of the traction wheel with high speed and high torque, which seriously affects the improvement of the overall power performance of electric vehicles. It will increase the useless work of the vehicle, increase the energy consumption of electric vehicles, and reduce the battery life. On the other hand, it will also cause the traction wheels with slow speed and small torque to passively run with the traction wheels with high speed block torque, resulting in low speed and small torque. The wear of the traction wheel and the driving motor related to the traction wheel increases, and even causes equipment damage in severe cases, which seriously affects the driving safety of electric vehicles. Or the hazard is particularly serious when the drive motor is open-phase and short-circuited, and there is currently no effective solution for this problem. car use needs

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