A controlling method for controlling an electric vehicle, the controlling method being implemented using an electrical control unit and comprising:
- a) obtaining two wireless signals, each of the wireless signals including a received signal strength indicator (RSSI) and one of acceleration data and angular velocity data, and being received from a main object that is in proximity to the electric vehicle and that is not a part of the electric vehicle, the acceleration data indicating acceleration of the main object, the angular velocity data indicating angular velocity of the main object;
- b) calculating, for each of the wireless signals, a strength of the wireless signal based on the RSSI included in the wireless signal, and, for each of the main objects, calculating an instant distance between the main object and the electric vehicle based on the strength of a corresponding one of the wireless signals, and a relative location of the main object with respect to the electric vehicle based on the one of the acceleration data and the angular velocity data included in the corresponding one of the wireless signals, so as to determine a state of the main objects being in one of a first mode, a second mode, a third mode and a fourth mode, wherein in the first mode, the main objects are coplanar and the instant distances respectively for the main objects are substantially the same, in the second mode, one of the main objects is in a stationary state and another one of the main objects is subjected to a swinging action with respect to an imaginary axis within 90 degrees of a first direction, the imaginary axis is parallel to an up-down direction and extends through the one of the main objects, in the third mode, one of the main objects is in a stationary state and another one of the main objects is moving along the up-down direction and is higher than the one of the main objects in the up-down direction, in the fourth mode, one of the main objects is in a stationary state and another one of the main objects is subjected to a swinging action with respect to the imaginary axis within 90 degrees of a second direction opposite to the first direction;
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- c) generating, based on the instant distance and the relative location for each of the main objects, a controlling command that controls the electric vehicle to implement one of an operation of unlocking the electric vehicle, an operation of locking the electric vehicle, an operation of activating a light component of the electric vehicle, and an operation of activating an electric machine of the electric vehicle.