Is the vehicle controller on the electric vehicle owned by the vehicle manufacturer?

It is generally developed by other companies. In fact, a car is often produced by different companies that provide different accessories and finally assembled by one company.

Vehicle management system (VMS), that is, powertrain controller. It is the core control component of the whole vehicle. It collects the signals of accelerator pedal, brake pedal and other components, makes corresponding judgments, controls the actions of lower-level component controllers, and drives the vehicle controller to collect the driver's driving signals and vehicle status.

The network information is managed, scheduled, analyzed and calculated through CAN bus, and the corresponding energy management is carried out according to the different configurations of vehicle types, so as to realize the functions of vehicle drive control, energy optimization control, brake feedback control and network management.