Title:
ELECTRIC WORK VEHICLE
Document Type and Number:
Japanese Patent JP2019115097
Kind Code:
A
Abstract:
To provide a steering wheel type electric work vehicle which has a simple motor control system and can perform quick turning travel.SOLUTION: An electric work vehicle includes: a left driving wheel and a right driving wheel which are supported by a vehicle body; a left motor for driving the left driving wheel and a right motor for driving the right driving wheel; a steering wheel; an accelerator operating tool; a turning command calculation section 52 which calculates a turning command on the basis of a steering operation amount of the steering wheel; a turning torque calculation section 551 which calculates turning torque on the basis of the turning command; a vehicle speed command calculation section 53 which calculates a vehicle speed command on the basis of the accelerator operation amount of the accelerator operating tool; a vehicle speed torque calculation section 552 which calculates vehicle speed torque on the basis of the vehicle speed command; and a speed command calculation section 56 which calculates a left motor speed command and a right motor speed command on the basis of the turning torque and the vehicle speed torque.SELECTED DRAWING: Figure 5
Inventors:
KAMIMURA KATSUHIKO
ITO HIROKAZU
ITO HIROKAZU
Application Number:
JP2017244804A
Publication Date:
July 11, 2019
Filing Date:
December 21, 2017
Export Citation:
Assignee:
KUBOTA KK
International Classes:
A01B69/00; B60L15/20; B60K7/00; B60K26/02; B60L9/18; B62D11/04
Domestic Patent References:
| JP2011115006A | 2011-06-09 | |||
| JP2009144757A | 2009-07-02 | |||
| JP2015024745A | 2015-02-05 | |||
| JP2011234451A | 2011-11-17 |
Foreign References:
| WO2014162830A1 | 2014-10-09 | |||
| US20100138128A1 | 2010-06-03 |
Attorney, Agent or Firm:
Patent business corporation r&c