PROBLEM TO BE SOLVED: To provide a riding type mowing vehicle that an operator can move by himself or herself in the case of a failure of a controller etc., without increasing in cost much more, and to provide a method of controlling the riding type mowing vehicle.SOLUTION: A riding type mowing vehicle 1 includes: an AC motor driver 32 driving front wheels 11a, 11b as driving wheels an electric cylinder driver 33 driving a rear wheel 12 as a steering wheel a controller 34 controlling the driving quantity of the AC motor driver 32 according to a manipulated variable of a pedal (backward movement accelerator pedal 17 or forward movement accelerator pedal 18), and controlling the driving quantity of the electric cylinder driver 33 according to the manipulated variable of a steering wheel 16 and a switching section 35 switching a connection between the controller 34 and electric cylinder driver 33 to a connection between the pedal (backward movement accelerator pedal 17 or forward movement accelerator pedal 18) and electric cylinder driver 33 when detecting abnormality of the controller 34.COPYRIGHT: (C)2013,JPO&INPIT【課題】大幅なコストの上昇を招くことなく、制御装置の故障等において作業者が自力で車両を移動させることが可能な乗用型芝刈り車両及びその制御方法を提供する。【解決手段】乗用型芝刈り車両1は、駆動輪である前輪11a,11bを駆動するACモータドライバ32と、操舵輪である後輪12を駆動する電動シリンダドライバ33と、ペダル(後進アクセルペダル17又は前進アクセルペダル18)の操作量に応じてACモータドライバ32における駆動量を制御するとともに、ステアリングホイール16の操作量に応じて電動シリンダドライバ33における駆動量を制御する制御装置34と、制御装置34の異常を検出した場合に、制御装置34と電動シリンダドライバ33との接続を、ペダル(後進アクセルペダル17又は前進アクセルペダル18)と電動シリンダドライバ33との接続に切り替える切替部35を備える。【選択図】図2
