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Electric bicycle and control pattern selecting method of electric vehicle

A technology of electric vehicles and graphics, applied in the direction of electric vehicles, DC motor speed/torque control, control systems, etc., can solve the problems of not being able to obtain N-T characteristics, difficult to obtain driving performance, etc.

Inactive Publication Date: 2006-10-04
YAMAHA MOTOR CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The electric bicycles described in the above documents cannot obtain N-T characteristics corresponding to the power supply voltage, so it is difficult to obtain stable driving performance

Method used

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  • Electric bicycle and control pattern selecting method of electric vehicle
  • Electric bicycle and control pattern selecting method of electric vehicle
  • Electric bicycle and control pattern selecting method of electric vehicle

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0021] Hereinafter, embodiments of the present invention will be described with reference to the drawings.

[0022] figure 1 It is a side view of an electric bicycle applicable to the present invention.

[0023] figure 1 The electric bicycle 1 shown has a front fork stem 2 on the front upper part of the vehicle body, and a steering shaft (not shown) is inserted into the front fork stem 2 so as to be rotatable. Furthermore, a handlebar 3 is attached to the upper end of the steering shaft. And handlebar 4 is installed at both ends of handlebar 3, the right side (not shown) figure 1 The handle 4 on the inner side of the handle 4 constitutes a rotatable throttle (throttle generally refers to a device for adjusting the amount of fuel supplied, here and later borrowing its saying, refers to a device for regulating current) handle (hereinafter referred to as throttle 4A).

[0024] The top of a pair of left and right front forks 5 is installed on the bottom of the front fork stand...

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PUM

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Abstract

Provided is a motor driven vehicle capable of effecting a constant running performance when the power source voltage is a predetermined value or greater. An electric motorcycle (1) comprises a battery (14), an electric motor (28) for driving wheels through the battery (14), and an electric motor control unit (30) for driving the electric motor, and when the voltage of the battery (14) is a predetermined value or greater, the electric motor control unit (30) controls the electric motor (28) such that rotational speed-torque characteristics that the electric motor (28) has are maintained when the voltage of the battery (14) is at the predetermined value.

Description

technical field [0001] The invention relates to an electric vehicle capable of obtaining a certain running performance when the power supply voltage is greater than or equal to a specified value, and a method for selecting control graphic data of the electric vehicle. Background technique [0002] For example, Japanese Patent Laid-Open No. 6-133408 describes the technology related to the conventional electric bicycle. [0003] The electric bicycles described in the above documents cannot obtain N-T characteristics corresponding to the power supply voltage, so it is difficult to obtain stable running performance. Contents of the invention [0004] Therefore, an object of the present invention is to provide an electric vehicle capable of obtaining a certain running performance when the power supply voltage is equal to or higher than a predetermined value. [0005] In order to solve the above-mentioned existing problems, the present invention of claim 1 uses an electric vehi...

Claims

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Application Information

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IPC IPC(8): H02P7/00
CPCY02T10/644Y02T10/645Y02T10/7005
Inventor 小野朋宽寺田润史黑泽敦八木启明佐佐木孝视
Owner YAMAHA MOTOR CO LTD