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    • 4. 发明公开
    • METHOD FOR CONTROLLING OPERATION OF AN AGRICULTURAL SYSTEM AND AGRICULTURAL SYSTEM
    • EP3420787A1
    • 2019-01-02
    • EP17179108.0
    • 2017-06-30
    • Kverneland Group Les Landes Genusson S.A.S.
    • Pasquier, GaetanPoulard, Janny
    • A01B63/112A01B63/14A01B67/00
    • The present disclosure refers to a method for controlling operation of an agricultural system, comprising a tractor; an implement (100) hitched through a draw bar (10) to the tractor, the implement (100) having working tools configured to engage with a ground and / or an agricultural product in operation while the tractor is drawing the implement (100) over a field; and a control system, comprising a control unit (2, 7) and a sensor arrangement (1.1, ..., 1.n) connected to the control unit (2, 7) through a control bus (5), wherein the control unit (2, 7) is configured to determine a draft force applied to the implement (100) through the draw bar (10) from measurement signals detected by the sensor arrangement (1.1, ..., 1.n); the method comprising: providing a first draft force threshold (43) in the control unit (2, 7); providing a second draft force threshold (44) in the control unit (2, 7), the second draft force threshold (44) being assigned a draft force which is higher than a draft force assigned to the first draft force threshold (43); operating the implement (100) in a normal mode of operation in which the working tools engage with the ground and / or the agricultural product while the tractor is drawing the implement (100) over the field; determining, by the control unit (2, 7), that a present first draft force derived from first measurement signals detected by the sensor arrangement (1.1, ..., 1.n) is higher than the first draft force threshold (43); in response to the determining, providing a warning signal in the control unit (2, 7), and outputting the warning signal to a user through an output device (3) connected to the control unit (2, 7); determining, by the control unit (2, 7), that a present second draft force derived from second measurement signals detected by the sensor arrangement (1.1, ..., 1.n) is higher than the second draft force threshold (44); and in response to the determining, providing a switch control signal in the control unit (2, 7); outputting the switch control signal to an implement control unit (7); and in response to the switch control signal, switching operation of the implement (100) into a field transport mode of operation in which the working tools are disengaged from the ground and / or the agricultural product by lifting up the working tools while the tractor is drawing the implement (100) over the field. Further, an agricultural system is provided.