HYBRID WORK VEHICLE AND METHOD OF CONTROLLING HYBRID WORK VEHICLE

A hybrid work vehicle includes a traveling device and a control device controlling the traveling device. The traveling device includes a first rotary electric machine, a second rotary electric machine, an internal-combustion engine, a power transmission device transmitting power output from the inte...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: MIYAMOTO, Shunsuke, YOSHIZAWA, Masao, OHKURA, Yasunori
Format: Patent
Sprache:eng ; fre ; ger
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Beschreibung
Zusammenfassung:A hybrid work vehicle includes a traveling device and a control device controlling the traveling device. The traveling device includes a first rotary electric machine, a second rotary electric machine, an internal-combustion engine, a power transmission device transmitting power output from the internal-combustion engine to a vehicle wheel through at least the first rotary electric machine and the second rotary electric machine, a third rotary electric machine applying power to at least one of the first rotary electric machine and the second rotary electric machine, and a braking device braking the vehicle wheel. The control device executes a first control of applying the power of the third rotary electric machine to at least one of the first rotary electric machine and the second rotary electric machine and a second control of canceling the first control when a vehicle speed of the traveling device becomes or exceeds a speed threshold value and continuously applies the power from the third rotary electric machine when a braking force of the braking device is larger than a braking force threshold value during the second control.