AUTOMATIC TRAVEL VEHICLE AND AUTOMATIC TRAVEL VEHICLE MANAGEMENT SYSTEM

• Main Authors: MORIKAWA AKIHIKO, IRIE MASAO
• Format: Patent
• Language: English; Japanese
• Published: 28.09.2023
• Subjects: ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; PERFORMING OPERATIONS; TRANSPORTING; VEHICLES IN GENERAL

To provide an electric vehicle and electric vehicle monitoring system capable of accurately estimating residual capacity of a battery.SOLUTION: An automatic travel vehicle comprises: a battery; an electric motor which drives wheels; a control section which receives supply of current from the battery, supplies drive current to the electric motor according to an instruction of a superior device, and receives a feed back signal including information representing a speed and torque of the electric motor from the electric motor; and a calculation section which calculates a first power consumption amount of the electric motor from the torque, the speed and drive time of the electric motor and a residual amount of the battery from the first power consumption amount and rated capacity of the battery.SELECTED DRAWING: Figure 2 【課題】バッテリ残量をより高い精度で推定できる電動車両及び電動車両の監視システムを提供する。【解決手段】本自動走行車は、バッテリと、車輪を駆動する電動機と、上記バッテリから電流の供給を受けて、上位装置からの指令に応じた駆動電流を上記電動機に供給するとともに、上記電動機の速度及び上記電動機のトルクを示す情報を含むフィードバック信号を上記電動機から受ける制御部と、上記電動機のトルク、上記電動機の速度及び上記電動機の駆動時間から上記電動機の第１電力消費量を算出し、上記第１電力消費量と上記バッテリの定格容量とから上記バッテリの残容量を算出する算出部と、を備える。【選択図】図２