Abstract: A joint method includes a groove formation step of removing part of a first projection and part of the second projection to form a groove region between the first projection and the second projection, a first welding step of joining a first member and a second member to each other by butt welding, and a second welding step of filling the groove region by buildup welding. The groove formation step forms a first inclined surface in the first projection facing the groove region to be gradually distant from a joint position joined with the second projection so as to be closer to an outer surface of the first projection, and forms a second inclined surface in the second projection facing the groove region to be gradually distant from the joint position joined with the first projection so as to be closer to an outer surface of the second projection.

Abstract: A vehicle surrounding display apparatus comprises a display control means for displaying images, each of which corresponding to each of a plurality of display modes on a display screen. The display control means, when at a first mode, generates a first bird's-eye view image of a vehicle and a first surrounding region thereof seen from a bird's-eye view to display this image in a first display area with a fixed size on the display screen and generates a first another image to display this image in a second display area with a fixed size on the display screen, and when at a second mode, generates a second bird's-eye view image of a vehicle and a second surrounding region thereof wider than the first surrounding region to display this image in the first display area and generates a second another image to display this image in the second display area.

Abstract: A vehicle surrounding display apparatus comprises a display control means for displaying images, each of which corresponding to each of a plurality of display modes on a display screen. The display control means, when at a first mode, generates a first bird's-eye view image of a vehicle and a first surrounding region thereof seen from a bird's-eye view to display this image in a first display area with a fixed size on the display screen and generates a first another image to display this image in a second display area with a fixed size on the display screen, and when at a second mode, generates a second bird's-eye view image of a vehicle and a second surrounding region thereof wider than the first surrounding region to display this image in the first display area and generates a second another image to display this image in the second display area.

Abstract: When starting automatic pulling-in control, an electronic control unit calculates a temperature increase amount ?Ti of a motor caused by the execution of the automatic pulling-in control and a temperature increase amount ?To of the motor caused by the execution of automatic pulling-out control. Based on the current temperature of the motor, the temperature increase amount ?Ti, and the temperature increase amount ?To, the electronic control unit obtains a predicted temperature of the motor of a case in which the automatic pulling-out control is executed subsequent to the automatic pulling-in control. When the predicted temperature is lower than an allowable upper limit, starting of the automatic pulling-in control is permitted. When the predicted temperature is higher than or equal to the allowable upper limit, starting of the automatic pulling-in control is prohibited.

Abstract: When performing automatic control of a steering device that assists a host vehicle to be pulled into or out of a parking space, an electronic control unit performs the following procedure. When there is, as a path for pulling the vehicle into or out of the parking space, a path in which a predicted temperature of the steering device for when the automatic control is performed to move the vehicle along the path would be lower than an allowable upper limit value, the electronic control unit starts the automatic control to move the vehicle along the path. In contrast, when there is no path in which the predicted temperature is lower than the allowable upper limit value, the electronic control unit prohibits the automatic control.

Abstract: When starting automatic pulling-in control, an electronic control unit calculates a temperature increase amount ?Ti of a motor caused by the execution of the automatic pulling-in control and a temperature increase amount ?To of the motor caused by the execution of automatic pulling-out control. Based on the current temperature of the motor, the temperature increase amount ?Ti, and the temperature increase amount ?To, the electronic control unit obtains a predicted temperature of the motor of a case in which the automatic pulling-out control is executed subsequent to the automatic pulling-in control. When the predicted temperature is lower than an allowable upper limit, starting of the automatic pulling-in control is permitted. When the predicted temperature is higher than or equal to the allowable upper limit, starting of the automatic pulling-in control is prohibited.

Abstract: An electronic control unit assists parking of a host vehicle into a parking space. Ultrasonic sensors detect the shape of the side edge of a road and the presence of an obstacle at the road edge. The electronic control unit sets one corner of the obstacle positioned on the side opposite to the road side edge as an originating corner, sets an imaginary line that follows the shape of the road side edge and extends from the originating corner, and recognizes the space between the imaginary line and the road side edge as a parking space. The electronic control unit then determines whether the vehicle can be parked in the recognized parking space.

Abstract: A parking assist device assists entry or exit of a vehicle with respect to a parking space through an automatic control of a steering device. The parking assist device includes: a calculator that obtains, to perform the automatic control of the steering device, a path for allowing the vehicle to enter or exit the parking space based on the parking space, calculates an amount of temperature rise of the steering device at the execution of the automatic control for allowing the vehicle to move along the obtained path, and calculates a predicted temperature of the steering device at the execution of the automatic control by adding the calculated amount of temperature rise to a current value of the temperature of the steering device; and a controller that inhibits the execution of the automatic control when the predicted temperature is equal to or higher than a determination value.

Abstract: A parking assistance device includes an obstacle detection unit configured to detect an obstacle around a vehicle, a parking point detection unit configured to detect a parking target point where the vehicle can be parked based on the result of the obstacle detection, and a parking assistance control unit configured to guide the vehicle from a parking start point to the parking target point according to a guidance route based on the result of the obstacle detection and the result of the parking target point detection in a case where a traveling of the vehicle is detected during a period of time from a time when the vehicle reaches the parking start point to a time when a shift range is changed, the parking assistance control unit does not execute the guidance of the vehicle.

Abstract: A parking assist device assists entry or exit of a vehicle with respect to a parking space through an automatic control of a steering device. The parking assist device includes: a calculator that obtains, to perform the automatic control of the steering device, a path for allowing the vehicle to enter or exit the parking space based on the parking space, calculates an amount of temperature rise of the steering device at the execution of the automatic control for allowing the vehicle to move along the obtained path, and calculates a predicted temperature of the steering device at the execution of the automatic control by adding the calculated amount of temperature rise to a current value of the temperature of the steering device; and a controller that inhibits the execution of the automatic control when the predicted temperature is equal to or higher than a determination value.