Title:
RIDING LAWN MOWER AND CONTROL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/180951
Kind Code:
A1
Abstract:
The present invention makes it possible to obtain driving operability suitable for when a ground surface being traveled on is lawn and when the ground surface is other than lawn, respectively. This riding lawn mower is provided with: motors 12, 12 for driving drive wheels (rear wheels 14, 14) provided on a body 11; a slip ratio calculation unit 60 for calculating a slip ratio λ during traveling; a friction coefficient calculation unit 62 for calculating a friction coefficient μ of a ground surface during traveling; a determination unit 64 for determining, on the basis of the relationship between the slip ratio λ and the friction coefficient μ, whether the ground surface being traveled on is lawn or not; and a drive control unit 66 for controlling the motors 12, 12 on the basis of the determination result obtained by the determination unit 64.
Inventors:
KANEKO RUNA (JP)
KURIYAGAWA KOJI (JP)
KURIYAGAWA KOJI (JP)
Application Number:
PCT/JP2018/011850
Publication Date:
September 26, 2019
Filing Date:
March 23, 2018
Export Citation:
Assignee:
HONDA MOTOR CO LTD (JP)
International Classes:
B60L15/20
Domestic Patent References:
| WO2015079553A1 | 2015-06-04 | |||
| WO2015162812A1 | 2015-10-29 |
Foreign References:
| JP2012075254A | 2012-04-12 | |||
| JP2004350475A | 2004-12-09 | |||
| JPH02203047A | 1990-08-13 | |||
| JP2002152905A | 2002-05-24 | |||
| JPH11254986A | 1999-09-21 | |||
| JP2004166543A | 2004-06-17 | |||
| JP2014044533A | 2014-03-13 | |||
| JP2003095145A | 2003-04-03 |
Other References:
See also references of EP 3770001A4
Attorney, Agent or Firm:
KUSHIBUCHI & ASSOCIATES (JP)
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