Sharp, responsive acceleration in sync with the driver’s intentions
Honda’s innovative hybrid system, e:HEV, delivers an exhilarating drive and Direct Acceleration is one technology underlying this performance. In addition to the benefits of an electric motor that can generate maximum torque right from when the vehicle starts moving, high-precision control of electricity generation by the engine produces acceleration that feels as if it comes straight from the foot upon the accelerator pedal. Direct Acceleration provides satisfying acceleration that synchronizes with the driver’s intentions in ordinary driving scenarios, such as when starting from a standstill at an intersection or when merging or overtaking on an expressway.
Improved acceleration response with early activation of engine power generation harnessing battery output
The e:HEV hybrid system is equipped with two motors, a traction motor and a generator motor. When a large driving torque is required, such as when starting from standstill or accelerating, the traction motor is driven by a combination of electrical power generated by the engine and electricity stored in the battery. Direct Acceleration estimates the driving circumstances from data, such as vehicle speed and the degree of accelerator application, and controls engine speed, motor torque, and other parameters with high precision. Making use of battery output, electricity generation by the engine is activated early to respond to the driver’s acceleration intent. Improving the engine power generation response gives rise to a powerful acceleration G-force from the moment the accelerator pedal is pressed.
Acceleration G-force with Direct Acceleration
Output characteristics during acceleration starting in EV drive mode
