Kubota Patente

An automatic travel assistance system (100) is provided to assist a working vehicle (1) in performing automatic travel. The working vehicle (1) includes a traveling device (5) and a working device (2) to perform work. The automatic travel assistance system (100) includes an input interface (13a, 32, 13b, 13c, 13d) to receive input of vehicle information, and area information. The automatic travel assistance system includes an information processor (11) configured to, based on the vehicle information and the area information, perform a first collision prediction and a second collision prediction that the vehicle body (3) or the working device (2) will collide with the obstacle (Q1, Q2), and plan a travel route (L3) for the working vehicle (1) such that the collision of the traveling device (5), the vehicle body (3), and the working device (2) attached to the vehicle body (3) with the obstacle (Q1, Q2) is avoided.

Provided are a prediction system for predicting occurrence of a positioning abnormality and a method for predicting occurrence of positioning abnormality. A prediction system according to an aspect of the present disclosure includes a plurality of base stations configured to receive base station reception information from a satellite, a first calculation unit configured to derive base station error information for each of the base stations on the basis of the base station reception information for each of the base stations and base station coordinates for each of the base stations, a storage unit configured to store a variation characteristic indicating a relationship between a first change amount, which is a change amount of the base station error information accompanied by a lapse of time, and occurrence of a positioning abnormality at a predetermined position, and a second calculation unit configured to derive predicted abnormality information for predicting occurrence of the positioning abnormality on the basis of the base station error information and the variation characteristic.

A service system (S) includes a generator (54) configured or programmed to generate an access token (AT) through encryption calculation using identification information (e.g., ECU serial number) of at least one to-be-serviced unit (e.g., ECU (20d)) and identification information (e.g., service tool serial number) of a service tool (100), the at least one to-be-serviced unit (DT) being a selected at least one of a plurality of electronic control units (21) provided in or on a vehicle (working vehicle (1)), the service tool (100) being configured or programmed to diagnostically check and/or reprogram the at least one to-be-serviced unit (DT). The service tool (100) is configured or programmed to acquire the access token (AT) and output the acquired access token (AT) to the at least one to-be-serviced unit (DT) to obtain authentication.

A work vehicle (1) includes a vehicle body (2), a front guard (30) attached to a front portion of the vehicle body, and a front loader (12) that is attached to the front portion of the vehicle body and can be raised or lowered. The front guard has a lower frame (31) attached to the vehicle body and an upper frame (41) that is attached to the lower frame (31) so as to be swingable around a shaft oriented in a vehicle width direction and a posture of which can be changed between a standing posture and a forward leaning posture by swinging with respect to the lower frame, and the upper frame has a vertical part (42) that extends upward, an upper portion of the vertical part is formed with an upper curved portion (42a) that is curved backward as it goes upward, and the upper curved portion has a first upper region (42a1) that is located on a movement trajectory of a part of the front loader when the front loader is lowered while the upper frame is located in the forward leaning posture and a second upper region (42a2) that is curved forward as it goes downward from the first upper region.

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A work vehicle (1) includes a vehicle body (2), a front guard (30) attached to a front portion of the vehicle body, and a front loader (12) that is attached to the front portion of the vehicle body and can be raised or lowered. The front guard has a lower frame (31) attached to the vehicle body and an upper frame (41) that is attached to the lower frame (31) so as to be swingable around a shaft oriented in a vehicle width direction and a posture of which can be changed between a standing posture and a forward leaning posture by swinging with respect to the lower frame, and the upper frame has a vertical part (42) that extends upward, an upper portion of the vertical part is formed with an upper curved portion (42a) that is curved backward as it goes upward, and the upper curved portion has a first upper region (42a1) that is located on a movement trajectory of a part of the front loader when the front loader is lowered while the upper frame is located in the forward leaning posture and a second upper region (42a2) that is curved forward as it goes downward from the first upper region.

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A vehicle (10) includes a first battery housing (600) to house a plurality of first battery modules (61), a second battery housing (70) to house a plurality of second battery modules (71), and an air cooling system to cool the plurality of first battery modules and the plurality of second battery modules. The air cooling system includes a compressor (362), a condenser (531), a first evaporator coil (3551L) that includes a first side at which warm air is received and a second side at which cool air exits after having passed through the first evaporator coil, and a second evaporator coil (3551R) that includes a first side at which warm air is received and a second side at which cool air exits after having passed through the second evaporator coil.

A work vehicle includes a vehicle body, front wheels (1) provided at front portions of the vehicle body, rear wheels (2) provided at rear portions of the vehicle body and a counter weight (20) attached to more front side than an axle of the front wheels (1) or more rear side than an axle of the rear wheels. The counter weight (20) includes a main body portion (21) to be attached to the vehicle body and a retention portion (22) to which a fastening member is to be retained.

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