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TESLA Model 3

We used a hub dynamometer to measure the output characteristics for each drive mode and the maximum output for each State of Charge (SOC). We also obtained an efficiency map of the power unit (drive shaft output/battery power).

Using a hub dynamo, we investigated the behavior of the system when maintaining maximum output, specifically how it behaves until output limitations are reached, and how it behaves when it runs out of power.

Using a hub dynamometer, we measured the drive shaft output characteristics in response to accelerator pedal opening for each drive mode. We also measured the deceleration characteristics when tipping out, as well as the deceleration and regenerative power for each State of Charge (SOC), including a full charge. Furthermore, we investigated the regenerative characteristics (regenerative power and mechanical brake behavior) when the brake pedal was operated.

To investigate the vibration of the motor and inverter during steady-state and transient operation in the low-to-high speed range, a 3-axis accelerometer was installed, and measurements and analyses were performed.

1/2-inch microphones were installed on each of the six sides of the power unit, including the motor and inverter, and measurements and analyses were performed during steady-state and transient operation in the low-speed to high-speed range.

To investigate the vibrations transmitted from the power unit to the vehicle body, we used a 3-axis accelerometer to measure and analyze vibrations on both the unit and body sides of the power unit mount.

1/2-inch microphones were installed in the driver's and passenger's seats inside the vehicle, and noise levels were measured and analyzed during steady and transient driving at low to high speeds.

We measured and analyzed the vibrations of the steering column and the driver's seat when driving on a harsh road surface.

To investigate vibrations transmitted from the tires while driving, we measured and analyzed vibrations from the steering knuckle and suspension towers, among other components.

We installed a noise meter on an ISO-certified road surface in a location compliant with the Road Transport Vehicle Act and measured the noise level when a vehicle's horn was activated.

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最終更新日:2024/09/11