JP2012197038A - Two-wheel electric motor vehicle - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a two-wheel electric motor vehicle capable of a proper speed increase or speed decrease and capable of stable travel corresponding to an intention of a rider by the rotational direction (the forward direction or the backward direction) of a foot pedaling means, wherein electric motors for driving are controlled by efficiently converting a rotational frequency (a rotating speed) of the foot pedaling means into a control signal for improving easiness-to-ride.SOLUTION: This two-wheel electric motor vehicle 1 includes: the electric motors M1 and M2 for driving at least any one of a front wheel 2 and a rear wheel 3; a driving control means 13 for controlling the electric motors M1 and M2 for driving; and the foot pedaling means 11 for performing foot pedaling operation by the rider. The driving control means 13 is constituted so as to control the electric motors M1 and M2 for driving at a speed corresponding to the rotating speed of the foot pedaling means 11. The two-wheel electric motor vehicle 1 includes a power generation means 50 for outputting electric power W different in polarity according to the rotational direction of the foot pedaling means 11.

Description

  The present invention relates to a two-wheeled electric vehicle that includes a front wheel and a rear wheel one by one, and at least one of the front wheel and the rear wheel is electrically driven.

  2. Description of the Related Art Conventionally, there has been provided a two-wheeled electric vehicle that includes one front wheel and one rear wheel, and at least one of the front wheel and the rear wheel is driven by an electric motor.

  Such a two-wheeled electric vehicle is provided with accelerator means for the driver to control the front and rear wheels, as in a general two-wheeled vehicle, and the driving state of the front and rear wheels can be adjusted by the accelerator work. Yes. In this type of two-wheeled electric vehicle, there is one provided with a footing means operated by a driver as an accelerator means (see, for example, Patent Document 1).

  This type of two-wheeled electric vehicle detects the number of rotations (rotational speed) of the footing means when the driver foot-operates the footing means (when the foot is stepped on the pedal), and a control signal as an electric signal The power generation means for converting the power to the electric motor is provided, and the electric motor is driven and controlled in accordance with the control signal output by the power generation means.

  Further, the two-wheeled electric vehicle having the above-described configuration is configured to travel by performing drive control of the electric motor according to the rotation direction of the footing means, and by rotating the footing means in one direction (forward direction). Control is performed to accelerate the drive of the electric motor, and control is performed to stop the drive of the electric motor by rotating the footing means in the opposite direction (backward direction).

JP 2001-63678 A

  By the way, a two-wheeled electric vehicle using a footing means as an accelerator means can be driven by operating the footing means so that the driver drives the bicycle. Although it is possible, there is a problem that the speed of the two-wheeled electric vehicle is excessively increased when the rotation speed (rotational speed) of the footing means is too high. In addition, when the driver is not used to riding a bicycle or when the force to operate the footing means is weak, the driver rotates the footing means to rotate the speed of the footing means (rotational speed). There is a limit to increasing the speed. Therefore, in order to drive this type of two-wheeled electric vehicle at a certain speed, it is necessary to efficiently convert the rotational speed (rotational speed) of the footing means into a control signal to drive and control the electric motor.

  Therefore, in view of such circumstances, the present invention improves the ease of driving, efficiently converts the number of rotations (rotational speed) of the footing means into a control signal, and drives and controls the electric motor. It is an object of the present invention to provide a two-wheeled electric vehicle that can increase or decrease speed according to the driver's intention according to the rotation direction of the footing means and can perform stable running.

  A two-wheeled electric vehicle according to the present invention includes an electric motor for driving at least one of a front wheel and a rear wheel, a drive control means for controlling the drive of the electric motor, and a pedal for a driver to perform a stepping operation. In a two-wheeled electric vehicle configured to control the drive of the electric motor in accordance with the rotation speed of the footing means. Power generation means for outputting different voltages depending on the rotation speed, a speed increasing device for increasing the rotation speed of the footing means to output to the power generation means, and detecting the rotation speed of the front wheel or the rear wheel Speed detection means for outputting a speed signal as an electric signal, and the drive control means calculates the power output from the power generation means as a command speed and outputs the command speed from the speed detection means. Control to drive the electric motor so that the speed signal is the same as the command speed, and stop the electric motor when the power output from the power generation means has a reverse polarity. It is characterized by controlling as follows. Here, “power having different polarities” means that the direction of the current of the power output from the power generation means differs depending on the rotation direction of the footing means.

  Since there is a limit for the driver to step on the foot and rotate the footing means to increase the rotation speed (rotational speed) of the footing means, the maximum value of the electric power output from the power generation means is accordingly set. There is also a limitation, and the difference between the maximum value and the minimum value of the power becomes small. Thus, if the difference between the maximum value and the minimum value of the power output from the power generation means is small, it becomes difficult to control the electric motor in accordance with the difference. Since the speed increasing device for increasing the rotation speed of the means and outputting it to the power generation means is provided, the amount of power per one rotation of the footing means output from the power generation means increases, and the rotation speed of the footing means ( Even when the rotation speed is small, the power generation means can be rotated at high speed. For this reason, it is possible to improve the ease of driving, efficiently convert the rotation speed (rotation speed) of the footing means into a control signal, and drive and control the electric motor. Even if it exists, an electric motor can obtain sufficient electric power from a power generation means, and control of an electric motor becomes easy.

  Further, the power generation means outputs electric power having different polarities to the drive control means, and the drive control means switches between driving and stopping of the electric motor according to the polarity of the electric power output by the power generation means. That is, when the footing means is rotated forward, the electric motor is controlled to be driven, and when the footing means is rotated backward, the electric motor is controlled to stop. This makes it possible to operate a two-wheeled electric vehicle with the same feeling as a bicycle.

  Further, the two-wheeled electric vehicle having the above configuration calculates the electric power output from the power generation means as a command speed, and compares the speed signal output from the speed detection means with the same speed signal as the command speed. Since the electric motor is controlled to drive and the electric motor is controlled to stop when the electric power output from the power generation means has a reverse polarity, the vehicle speed is controlled according to the rotation speed of the footing means. Therefore, if it is fast, it can be fast and if it is slow, it can run slowly, and it is possible to run a two-wheeled electric vehicle with the same feeling as driving a bicycle.

  As another aspect of the present invention, it is preferable that a drive switch for driving the electric motor is provided in addition to the footing means. When the drive switch is in the ON state, the drive control means causes the electric motor to output the torque required at the start by driving the drive switch, and drives the front wheels or the rear wheels. Therefore, since the torque required for starting can be obtained simply by operating the drive switch, stable running can be performed during starting. As a result, it is possible to suppress wobbling when starting. In addition, when starting up a two-wheeled electric vehicle on a hill, you can place your feet on the ground to support the vehicle, and after the vehicle starts to move, you can put your foot on the footing means. It becomes easy.

  As described above, according to the two-wheeled electric vehicle of the present invention, the ease of driving is improved, and the rotational speed (rotational speed) of the footing means is efficiently converted into a control signal to drive and control the electric motor. Thus, it is possible to achieve an excellent effect that it is possible to appropriately increase or decrease the speed according to the driver's intention according to the rotation direction of the footing means, and to perform stable traveling.

1 is a perspective view of a two-wheeled electric vehicle according to an embodiment of the present invention. The side view of the two-wheeled electric vehicle which concerns on the embodiment is shown. The front view of the two-wheeled electric vehicle which concerns on the embodiment is shown. The schematic block diagram of the control system of the two-wheeled electric vehicle which concerns on the embodiment is shown.

  Hereinafter, a two-wheeled electric vehicle according to an embodiment of the present invention will be described with reference to the accompanying drawings.

  The two-wheeled electric vehicle according to this embodiment includes a front wheel 2 and a rear wheel 3 one by one as shown in FIGS. 1 and 2. In the present embodiment, the two-wheeled electric vehicle 1 further includes a pair of auxiliary wheels 70 that can move up and down on both sides of the rear wheel 3. The two-wheeled electric vehicle 1 includes an electric motor M1, M2 for driving at least one of the front wheel 2 and the rear wheel 3, and a drive control means 13 for driving and controlling the electric motor M1, M2. And a driving control means 13 configured to drive-control the electric motors M1 and M2 in accordance with the number of rotations (rotational speed) of the footing means 11. . The two-wheeled electric vehicle 1 is configured to steer the front wheel 2 by operating a handle (a handlebar 6 described later).

  More specifically, the two-wheeled electric vehicle 1 according to the present embodiment has a vehicle body frame to which a seat portion 40 on which a driver is seated is attached and a footrest means 11 on which the seated driver performs a footstep operation is attached. 4, a front fork 5 rotatably attached about an axis extending in the vertical direction with respect to the front portion of the vehicle body frame 4, a handle bar 6 connected to the upper end side of the front fork 5, and the front fork A front wheel 2 attached to be rotatable about an axis extending in a direction perpendicular to the vertical direction (hereinafter referred to as a horizontal direction) with respect to a lower end portion of the vehicle 5, and an axis extending in the horizontal direction with respect to the rear portion of the body frame 4. A swing arm 7 which is swingably mounted in a vertical direction as a fulcrum, a rear suspension 8 suspended on the body frame 4 and the swing arm 7, and the slide And a rear wheel 3 rotatably mounted in about an axis extending transversely to Nguamu 7.

  The two-wheeled electric vehicle 1 according to the present embodiment includes the pair of auxiliary wheels 70 and 70 as described above, and each auxiliary wheel 70 and 70 is attached to the swing arm 7 so as to be swingable in the vertical direction. The auxiliary arm 71 is supported. The auxiliary arm 71 is configured to be rotatable about a rotation axis substantially parallel to the rotation axis of the swing arm 7. The auxiliary wheels 70 are configured to be rotatable around an axis extending in the lateral direction with respect to the auxiliary arm 71.

  In the two-wheeled electric vehicle 1, as shown in FIG. 3, an independent suspension device (hereinafter referred to as an auxiliary suspension) 72 is interposed between the auxiliary arm 71 and the swing arm 7. Each of them is pushed downward by the urging force of the auxiliary suspension 72 to come into contact with the road surface, and moves up and down according to the undulation of the road surface.

  As a result, the two-wheeled electric vehicle 1 according to the present embodiment is prevented from falling after being smoothly turned. In the two-wheeled electric vehicle 1 according to the present embodiment, the pair of auxiliary wheels 70 and 70 are arranged on both sides of the rear wheel 3 so that there are three rear wheels 3 (see FIG. 1). Here, the rear wheel 3 means a wheel that is driven, and the auxiliary wheels 70 and 70 that are rotatable are not included in the rear wheel 3.

  In the two-wheeled electric vehicle 1 according to the present embodiment, a battery box 9 that houses a battery is disposed above the rear wheel 3, and the front wheel 2 and the rear wheel 3 are driven above the front fork 5 (front wheel 2). A control box 10 containing a drive control means (control board) 13 for controlling the control is arranged. The battery box 9 is supported by the vehicle body frame 4, and the control box 10 is supported by the front fork 5.

  As shown in FIGS. 1 and 2, the two-wheeled electric vehicle 1 according to the present embodiment includes in-wheel motors as electric motors M <b> 1 and M <b> 2 that are driven by receiving power supplied from a battery. That is, in-wheel motors M1 and M2 for rotating the front wheel 2 and the rear wheel 3 are incorporated at the center of rotation. The electric motors M1 and M2 may be either DC motors or AC motors as long as they can be controlled and driven by power supply from a battery (DC power supply). If the output is taken into consideration, the motor efficiency is high and the output is high. An output permanent magnet type synchronous motor is preferably employed.

  In the two-wheeled electric vehicle 1 according to the present embodiment, brake means (for example, a drum brake) is incorporated in each of the front wheel 2 and the rear wheel 3, and a brake lever (not shown) attached to the handle bar 6 is provided. It can be braked by pulling. The two-wheeled electric vehicle 1 is provided with a parking brake lever (not shown), and a brake means for the front wheel 2 or the rear wheel 3 (rear wheel 3 in the present embodiment) by operating the parking brake lever. Functions so that the rotation of the front wheel 2 or the rear wheel 3 (rear wheel 3 in the present embodiment) can be restricted during parking.

  The two-wheeled electric vehicle 1 according to the present embodiment includes a footing means 11 as an accelerator means for a driver to control the front wheels 2 and the rear wheels 3. The footing means 11 includes a rotating shaft 21 rotatably supported in a manner penetrating the body frame 4 in the lateral direction, cranks 22 and 22 provided at both ends of the rotating shaft 21, and the crank 22 , 22 are provided with foot pedals 23, 23 rotatably provided at the respective tips. In the present embodiment, the direction in which the foot pedals 23 and 23 (cranks 22 and 22) are rotated in one circumferential direction (front wheel 2 side) of the rotating shaft 21 is referred to as a positive direction, and the other direction (rear wheel). The direction in which the foot pedals 23, 23 (cranks 22, 22) are rotated to the third side) is referred to as a reverse direction.

  The cranks 22, 22 are rotated in the circumferential direction of the rotary shaft 21 by the driver stepping on the pedal pedals 23, 23 with his / her feet, so that the direction of the arrow A in FIG. Or, it is configured to rotate in the direction of arrow B (reverse direction) in FIG.

  Further, the footing means 11 includes a power generation means 50 that outputs electric power having different polarities depending on the rotation direction (forward direction or reverse direction) of the foot pedals 23, 23 (cranks 22, 22). The “electric power having different polarities” means that the direction of the electric current output from the power generation means 50 differs depending on the rotation direction of the footing means 11. Therefore, “outputting electric power having different polarities” means that the power generation means 50 outputs electric power W having a different current direction depending on the rotation direction of the pedal pedals 23 and 23 (cranks 22 and 22).

  In the present embodiment, the footing means 11 includes a speed increaser 51 that increases the rotational speed (rotational speed) of the foot pedals 23, 23 (cranks 22, 22) and outputs the speed to the power generation means 50. Specifically, the speed increaser 51 includes a pulley having a large diameter (not shown) provided on the rotating shaft 21 of the footing means 11 and a pulley having a small diameter provided on the power generation means (not shown). Are connected by a belt (not shown) to increase the speed. When the foot pedals 23 and 23 (cranks 22 and 22) are rotated in the circumferential direction of the rotary shaft 21 in the direction indicated by the arrow A in FIG. The number of rotations (rotational speed) of (cranks 22 and 22) is increased and output to the power generation means 50, and the electric power per rotation of the foot pedals 23 and 23 (cranks 22 and 22) output from the power generation means 50 Try to increase the amount.

  Further, the step-up gear 51 is configured such that when the foot pedals 23 and 23 (cranks 22 and 22) are rotated in the direction of the arrow B in FIG. , 23 (cranks 22, 22) are rotated in the reverse direction (rotational speed) and output to the power generation means 50, and one rotation of the foot pedal 23 (cranks 22, 22) output from the power generation means 50 The amount of power per unit is increased.

  The two-wheeled electric vehicle 1 according to the present embodiment includes speed detection means 52 that detects the number of rotations (rotation speed) of the wheels (front wheels 2 and rear wheels 3) and outputs a speed signal as an electric signal. .

  Sensors can be employed as the speed detection means 52, and a speed sensor is employed in the present embodiment. Further, in the present embodiment, the speed detection means 52 is fixed to the front fork 5, and the number of rotations of the wheels (front wheels 2 and rear wheels 3) that rotate in conjunction with the operation of the foot pedals 23 and 23 ( Rotational speed) is detected, and a signal relating to the detected rotational speed (rotational speed) of the wheels (front wheel 2, rear wheel 3) is output to the drive control means 13 as a speed signal.

  The drive control means 13 switches between acceleration and deceleration of the electric motors M1 and M2 according to the polarity of the electric power output from the power generation means 50 according to the rotation direction of the foot pedals 23 and 23 (cranks 22 and 22), and outputs the same. The rotational speeds of the electric motors M1, M2 are controlled according to the voltage at.

  In other words, the drive control means 13 receives power (voltage) from the power generation means 50 so as to drive the electric motors M1 and M2 in a state where the foot pedals 23 and 23 (cranks 22 and 22) are rotated in one direction (forward direction). ) Is input, the electric motors M1 and M2 are controlled, and the electric motors M1 and M2 are stopped when the foot pedals 23 and 23 (cranks 22 and 22) are rotated in the other direction (reverse direction). Electric power (voltage) is input from the power generation means 50 to control the electric motors M1 and M2.

  More specifically, as shown in FIG. 4, the drive control means 13 of the present embodiment has a polarity output from the power generation means 50 in accordance with the rotation direction of the foot pedals 23 and 23 (cranks 22 and 22). The driving force control circuit 14 sets the driving state of the electric motors M1 and M2 based on the different electric power W and the speed signal S output from the speed detecting means 52. The drive control means 13 includes a motor rotation control circuit 15 that is a driver for driving the electric motors M1 and M2 in the drive state set by the drive force control circuit 14.

  In the present embodiment, the power generation means 50 is a commutator-type DC generator including a permanent magnet, and in the positive direction rotation, a positive voltage substantially proportional to the number of rotations is applied to the driving force control circuit 14 as a voltage signal. In the reverse rotation, a negative voltage approximately proportional to the rotation speed is output to the driving force control circuit 14 as a voltage signal. The driving force control circuit 14 is supplied with a voltage signal from the power generation means 50 and a speed signal S (pulse signal whose number of pulses increases in proportion to the speed) S output from the speed detection means 52. The driving force control circuit 14 calculates the voltage signal output from the power generation means 50 as a command speed.

  In this embodiment, for example, when the rotational speed of the pedals 23 and 23 (cranks 22 and 22) is 60 revolutions per minute, the command speed is approximately proportional to the rotational speed on the basis that the command speed is 20 km / h. To decide. Since the output voltage from the power generation means 50 is input to the driving force control circuit 14 as a voltage signal having a magnitude substantially proportional to the rotational speed (rotation speed), the driving force control circuit 14 is connected to the pedals 23, 23 (crank 22, The output voltage from the power generation means 50 when 22) is 60 rpm is converted as a command speed of 20 km / h.

  The driving force control circuit 14 reduces the command speed in proportion to the voltage when the output voltage from the power generation means 50 is smaller than this voltage, and sets the voltage when the output voltage from the power generation means 50 is larger than this voltage. Increase command speed proportionally. The driving force control circuit 14 compares the command speed thus converted with the speed indicated by the speed signal S output from the speed detection means 52. When the speed signal is smaller than the command speed, the motor output Is output to the motor rotation control circuit 15, and when the speed signal is larger than the command speed, the control voltage C that instructs to decrease the motor output is output to the motor rotation control circuit 15. 15 is output. Thus, the driving force control circuit 14 controls the electric motors M1 and M2 to be driven so that the speed signal S becomes the same as the command speed. In addition, the drive control unit 14 controls the electric motors M1 and M2 to stop when the electric power output from the power generation unit 50 has a reverse polarity.

  If the electric motors M1 and M2 are controlled as described above, the command speed increases as the number of rotations of the pedal pedals 23 and 23 (cranks 22 and 22) increases, so that the speed may be excessively increased. Therefore, when the output voltage from the power generation means 50 is equal to or higher than a preset voltage, it is determined that the output voltage is a preset voltage. In this way, a command speed that is higher than a predetermined speed is not output, and an upper limit speed can be provided for the two-wheeled electric vehicle 1. In the present embodiment, for example, when the output voltage from the power generation means 50 is equal to or higher than the voltage corresponding to 20 km / h, if the two-wheeled electric vehicle 1 is running on a bicycle, if all are treated as the same as the voltage corresponding to 20 km / h, It is possible to be able to produce only about the speed of. Thus, by setting an upper limit on the maximum speed when the two-wheeled electric vehicle 1 travels, excessive speed is prevented and safer travel is possible.

  The two-wheeled electric vehicle 1 according to the present embodiment includes a drive switch 24 for driving the electric motors M1 and M2 in addition to the footing means 11 (see FIG. 1). In the present embodiment, the drive switch 24 is provided as a push button switch protruding from the right side portion of the handle bar 6. The drive switch 24 is connected to the drive force control circuit 14, and when the drive switch 24 is operated, the drive force control circuit 14 outputs a control voltage C that outputs the torque of the electric motors M <b> 1 and M <b> 2 necessary for starting. Output to the rotation control circuit 15.

  In the two-wheeled electric vehicle 1 according to the present embodiment, when the vehicle is started under the control of the drive switch 24, first, the drive switch 24 is operated to be in the ON state. As a result, the two-wheeled electric vehicle 1 gradually accelerates to a speed of 6 km / h, and travels at a constant speed of 6 km / h when the speed reaches 6 km / h. This control is performed by the driving force control circuit 14 in response to a signal input from the driving switch 24. That is, as described above, the drive switch 24 outputs an ON / OFF signal to the driving force control circuit 14, and the driving force control circuit 14 receives the control voltage C and outputs the control voltage C to the motor rotation control circuit. 15 to output the speed control. By doing in this way, even if the foot pedals 23 and 23 (cranks 22 and 22) are erroneously rotated forward, the two-wheeled electric vehicle 1 starts unless the drive switch 24 is turned on. There is nothing. Further, when the two-wheeled electric vehicle 1 is started on a slope, the vehicle can be supported by putting its feet on the ground, and after the vehicle starts moving, the feet can be separated from the ground and placed on the footing means. There is no wobbling at the beginning, and it is easy to start and run on a slope.

  In the present embodiment, after the two-wheeled electric vehicle 1 starts moving by operating the drive switch 24, the foot pedals 23 and 23 (cranks 22 and 22) are rotated in the forward direction so that the speed control by the drive switch 24 can be performed. The speed control is performed by the foot pedals 23 and 23 (cranks 22 and 22). When the traveling of the two-wheeled electric vehicle 1 reaches a prescribed speed or prescribed time, the driving of the electric motors M1, M2 may be switched to the control by the pedal pedals 23, 23 (cranks 22, 22).

  In the two-wheeled electric vehicle 1 according to the present embodiment, the footing means 11 includes a speed increaser 51 that increases the rotational speed associated with the driver's footing operation and outputs it to the power generation means 50. By increasing the amount of power per one rotation of the footing means 11 output from the means 50, the power generation means 50 can be rotated at a high speed even if the speed of the footing means 11 is low. For this reason, even when the power generation means 50 is downsized, the electric motors M1 and M2 can obtain sufficient power from the power generation means 50, and the electric motors M1 and M2 can be easily controlled.

  Further, the two-wheeled electric vehicle 1 according to the present embodiment includes the drive switch 24 for driving the electric motors M1 and M2 in addition to the footing means 11, so that it is necessary at the time of starting only by operating the drive switch 24. Torque can be obtained, and stable running can be performed when starting. As a result, it is possible to suppress wobbling when starting. In addition, when starting the two-wheeled electric vehicle 1 on a slope, it is possible to place the foot on the ground to support the vehicle, and to place the foot on the footing means after the vehicle starts moving. Will also be easier.

  The two-wheeled electric vehicle of the present invention is not limited to the above-described embodiment, and various modifications are of course made without departing from the scope of the present invention.

  In the above-described embodiment, the electric motors M1 and M2 are controlled by the single motor rotation control circuit 15. However, the present invention is not limited to this. For example, the electric motors M1 and M2 are connected to the electric motors M1 and M2, respectively. You may control by a motor rotation control circuit.

  In the above embodiment, the drive switch 24 for driving the electric motors M1 and M2 is provided in addition to the footing means 11. However, the present invention is not limited to this, and the drive switch 24 may not be provided. Further, in the above-described embodiment, when the drive switch 24 is provided, the drive switch 24 is a push button switch. However, the drive switch 24 only needs to be able to be switched ON / OFF. The drive switch 24 is preferably operated by hand, but may be operated by a foot other than the hand, for example.

  In the above embodiment, the two-wheeled electric vehicle 1 includes the front wheel 2 and the rear wheel 3 and the pair of auxiliary wheels 70 and 70 that can move up and down on both sides of the rear wheel 3. 70 and 70 may not be provided, and at least one of the front wheel 2 and the rear wheel 3 may be configured to be driven by the electric motors M1 and M2 according to the rotational speed of the pedal 23.

DESCRIPTION OF SYMBOLS 1 ... Two-wheeled electric vehicle, 2 ... Front wheel, 3 ... Rear wheel, 4 ... Body frame, 5 ... Front fork, 6 ... Handlebar, 7 ... Swing arm, 8 ... Rear suspension, 9 ... Battery box, 10 ... Control box, DESCRIPTION OF SYMBOLS 11 ... Footing means, 13 ... Drive control means, 14 ... Driving force control circuit, 15 ... Motor rotation control circuit, 21 ... Rotating shaft, 22 ... Crank, 23 ... Foot pedal, 24 ... Drive switch, 40 ... Seat part , 50 ... power generation means, 51 ... speed increaser, 52 ... speed detection means, 70 ... auxiliary wheel, 71 ... auxiliary arm, 72 ... auxiliary suspension, M1, M2 ... electric motor

Claims (2)

  An electric motor for driving at least one of the front wheel and the rear wheel, a drive control means for driving and controlling the electric motor, and a footing means for the driver to perform a footing operation, the drive control means However, in a two-wheeled electric vehicle configured to drive and control the electric motor according to the rotational speed of the footing means, the electric power having different polarity is output depending on the rotational direction of the footing means and the voltage is different depending on the rotational speed. Power generation means for outputting the speed, a speed increasing device for increasing the rotation speed of the footing means and outputting to the power generation means, and detecting the rotation speed of the front wheel or the rear wheel and outputting a speed signal as an electric signal Speed detection means, the drive control means calculates the electric power output from the power generation means as a command speed, compared with the speed signal output from the speed detection means, Control is performed to drive the electric motor so that the degree signal is the same as the command speed, and control is performed to stop the electric motor when the power output from the power generation means has a reverse polarity. Two-wheeled electric vehicle.   The two-wheeled electric vehicle according to claim 1, further comprising a drive switch for driving the electric motor in addition to the footing means.

Images