Title:
WORK VEHICLE
Document Type and Number:
WIPO Patent Application WO/2019/234987
Kind Code:
A1
Abstract:
In a wheel loader (1) according to the present embodiment, a support section (42) rotatably supports a joystick lever (51). A base plate (71) is rotatably supported by the support section (42). A biasing section (44) biases the joystick (51) toward a predetermined position with respect to the base plate (71). A position adjustment section (45) adjusts the rotation angle of the base plate (71) with respect to the support section (42). An absolute lever angle sensor (26) detects a detected value θi_detect for the lever angle of the joystick lever (51) with respect to the support section (42). A motor drive control unit (110) controls the position adjustment section (45) on the basis of a detected value θs_detect for a vehicle body frame angle. A steering control unit (120) controls steering cylinders (21, 22) on the basis of the difference between the detected value θs_detect for the vehicle body frame angle and a detected value θic_detect for a converted lever angle corresponding to the detected value θi_detect for the lever angle.
Inventors:
TERANISHI YUICHI (JP)
Application Number:
PCT/JP2019/006263
Publication Date:
December 12, 2019
Filing Date:
February 20, 2019
Export Citation:
Assignee:
KOMATSU MFG CO LTD (JP)
International Classes:
B62D6/00; B62D1/12; B62D5/06; B62D5/28; B62D12/02; B62D101/00; B62D113/00; B62D115/00
Foreign References:
| JP2017081479A | 2017-05-18 | |||
| JP2018083504A | 2018-05-31 | |||
| JP2006001547A | 2006-01-05 | |||
| JP2006168515A | 2006-06-29 | |||
| JP2002160642A | 2002-06-04 |
Other References:
See also references of EP 3705380A4
Attorney, Agent or Firm:
SHINJYU GLOBAL IP (JP)
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