Abstract: A work vehicle includes a fuel cell module including a fuel cell stack, at least one fuel tank to store fuel to be supplied to the fuel cell stack, a motor connected to the fuel cell module, a travel device drivable by the motor, a power take-off shaft drivable by the motor and to which an implement is connected, and a controller. In response to an operation stop command, the controller is configured or programmed to stop supply of the fuel or the oxidizing gas to the fuel cell module, and then rotate the motor with power from the motor to the travel device halted, thus discharging residual charge in circuitry connected to the motor.

Abstract: An agricultural tractor includes a vehicle frame, and a front housing supported by the vehicle frame. The front housing includes, a fixed housing portion fixed to the vehicle frame, a movable housing portion supported by the vehicle frame or the fixed housing portion and being openable and closeable.

Abstract: A work vehicle includes a fuel cell module including a fuel cell stack, at least one fuel tank to store fuel to be supplied to the fuel cell stack, a motor connected to the fuel cell module, a power take-off shaft drivable by the motor and to which an implement is connectable, and a controller configured or programmed to be operable in various control modes including a normal mode and an output limitation mode in which an upper limit value of electric power supplied from the fuel cell module to the motor is smaller than in the normal mode. In the output limitation mode, the controller is configured or programmed to alter the upper limit value of the electric power supplied to the motor according to at least one of a type of the implement connected to the power take-off shaft and a type of work performed by the implement.

Abstract: A work vehicle includes a fuel cell module including a fuel cell stack, at least one fuel tank to store fuel to be supplied to the fuel cell stack, a sensor to measure a remaining amount of fuel in the at least one fuel tank, a motor connected to the fuel cell module, a power take-off shaft driven by the motor and to which an implement is connected, a display, and a processor configured or programmed to estimate, based on the measured remaining amount of fuel and a type of the implement connected to the power take-off shaft and/or a type of work performed by the implement, at least one of a travelable distance, a travelable area, or a travelable time with the work, and to display an estimation result on the display.

Abstract: A work vehicle includes a fuel cell module including a fuel cell stack and a coolant pump, at least one fuel tank to store fuel to be supplied to the fuel cell stack, a motor connected to the fuel cell module, a vehicle frame supporting the fuel cell module, the at least one fuel tank, and the motor, the vehicle frame rotatably supporting front and rear wheels, and a cooling system to circulate coolant via the coolant pump. The cooling system includes a first radiator positioned on one side of the fuel cell module, and a second radiator positioned on another side of the fuel cell module.

Abstract: A work vehicle includes a fuel cell module including a fuel cell stack, a motor connected to the fuel cell module, a travel device to be driven by the motor, a controller configured or programmed to control the motor, and a positioning system. The controller is configured or programmed to change a manner of stopping the motor when a travel stop command is issued during motor operation, depending on whether a position of the work vehicle identified by the positioning system is within a field or not. The controller is configured or programmed to make a time from when the travel stop command is issued until the motor stops shorter when the position of the work vehicle is within the field than when the position of the work vehicle is outside the field.

Abstract: A work vehicle includes a fuel cell power generation system, an inverter connected to the fuel cell power generation system, a motor connected to the inverter, and a vehicle frame supporting the fuel cell power generation system, the inverter, and the motor, the vehicle frame rotatably supporting left and right front wheels and left and right rear wheels. The vehicle frame includes a transmission case housing a transmission to transmit driving force from the motor to the rear wheels. The inverter is at a side of the transmission case.

Abstract: An agricultural work vehicle includes a fuel cell power generation system, a first voltage conversion circuit to convert a voltage output from the fuel cell power generation system to output a first voltage, and a second voltage conversion circuit to convert the voltage output from the fuel cell power generation system to output a second voltage higher than the first voltage.

Abstract: A work vehicle includes a fuel cell module including a fuel cell stack, at least one fuel tank to store fuel to be supplied to the fuel cell stack, a motor connected to the fuel cell module, a vehicle frame that supports the fuel cell module, the at least one fuel tank, and the motor, the vehicle frame rotatably supporting left and right front wheels and left and right rear wheels, and an electrical circuit module housed in a casing and electrically connected to the fuel cell module and the motor. The electrical circuit module is fixed to either a left side of the vehicle frame, between the left front wheel and the left rear wheel, or a right side of the vehicle frame between the right front wheel and the right rear wheel.

Abstract: A work vehicle includes a driver seat, a fuel cell, at least one fuel tank to store fuel to be supplied to the fuel cell, a motor connected to the fuel cell, a vehicle frame that supports the driver seat, the fuel cell, and the motor, and a mounting frame fixed to the vehicle frame to support the fuel tank, the mounting frame being positioned across the driver seat.

Abstract: A work vehicle includes a fuel cell, and a fuel tank module including fuel tanks to store fuel to be supplied to the fuel cell, a valve system connected to the fuel tanks, and a tank case housing the fuel tanks and the valve system. The fuel tanks include a first fuel tank with a first length in a first direction, and second fuel tank with a second length shorter than the first length in the first direction. The first fuel tank and the second fuel tank are arranged in a second direction perpendicular or substantially perpendicular to the first direction. At least a portion of the valve system is in a space between the second fuel tank and the tank case inside the tank case.

Abstract: A work vehicle includes a driver seat, a fuel cell, at least one fuel tank to store fuel to be supplied to the fuel cell, a motor connected to the fuel cell, a vehicle frame supporting the driver seat, the fuel cell, and the motor, a mounting frame fixed to the vehicle frame to support the at least one fuel tank, the mounting frame extending across the driver seat, and a front housing covering the fuel cell and being openable and closable. The mounting frame does not interfere with the front housing when a position or orientation of the front housing changes from the closed state to the open state.

Abstract: A work vehicle includes a fuel cell, at least one fuel tank to store fuel to be supplied to the fuel cell, a motor connected to the fuel cell, a vehicle frame supporting the fuel cell, the fuel tank, and the motor, the vehicle frame rotatably supporting front and rear wheels, at least one enclosure housing the fuel cell and the fuel tank, and at least one fuel gas sensor inside the enclosure.

Abstract: A work vehicle includes a fuel cell, at least one fuel tank to store fuel to be supplied to the fuel cell, a motor connected to the fuel cell, a vehicle frame that rotatably supports front wheels and rear wheels, and a fueling port connected to the at least one fuel tank via piping. The fueling port is provided at a position higher than an axle of the front wheels.

Abstract: A toner concentration sensing apparatus includes a first acquisition processing portion, a second acquisition processing portion, and a third acquisition processing portion. The first acquisition processing portion acquires a first sensing value corresponding to light reflected by a first region of an image-carrying member where a toner image is not formed. The second acquisition processing portion acquires a second sensing value corresponding to light reflected by a second region of the image-carrying member where a toner image has been formed. The third acquisition processing portion acquires a component ratio of a component in the second sensing value, that corresponds to light reflected by toner adhered onto a surface of the image-carrying member, using a specific calculation formula determined based on a first relational expression based on the first sensing value and a second relational expression not based on the first sensing value, and the second sensing value.

Abstract: An image forming apparatus includes a conveyor that successively conveys a plurality of recording media, a medium detector that detects information about the recording medium conveyed by the conveyor, and a hardware processor, wherein the hardware processor detects the information about the recording medium being conveyed firstly by the conveyor at a first speed by using the media detector, and outputs a conveyance speed of the recording medium determined based on the detected information, and in a case in which the output conveyance speed is different from the first speed, carries out control such that a conveyance speed of at least one of recording media which are conveyed secondly and subsequently by the conveyor and are conveyed later than a recording medium being conveyed firstly is a second speed different from the first speed.

Abstract: To provide a solid-state imaging element capable of further improving reliability. Provided is a solid-state imaging element including at least a first photoelectric conversion section, and a semiconductor substrate in which a second photoelectric conversion section is formed, in this order from a light incidence side, in which the first photoelectric conversion section includes at least a first electrode, a photoelectric conversion layer, a first oxide semiconductor layer, a second oxide semiconductor layer, and a second electrode in this order, and a film density of the first oxide semiconductor layer is higher than a film density of the second oxide semiconductor layer.

Abstract: An image forming apparatus includes a reading device, an identifier, a determiner, and a decider. The reading device reads, from a sheet, information related to the sheet. The identifier identifies a type of the sheet, on a basis of the information related to the sheet. The determiner determines a threshold for quality of an image, on a basis of the information related to the sheet, and the identified type of the sheet. The decider decides the quality of the image formed on the sheet, on a basis of the threshold.

Abstract: An image forming apparatus includes an adjustment processing portion, an acquisition processing portion, and a determination processing portion. Each time an adjustment condition is satisfied during execution of an image forming process, the adjustment processing portion uses toner to adjust one adjustment target selected in accordance with a specific order among a plurality of adjustment targets related to image quality of an output image output by the image forming process. The acquisition processing portion acquires variation amount information related to an amount of variation in a state value related to an image forming portion caused by a start of the image forming process. The determination processing portion determines an adjustment target to be adjusted first after the start of the image forming process by the adjustment processing portion, based on the variation amount information acquired by the acquisition processing portion.

Abstract: In the athletic competition involving jumping such as figure skating, it is desired to measure jumping height and flight distance by calculating a trajectory of a moving object as a target from moving images captured by a monocular camera. Provided is a device, a method and a program to calculate the trajectory of the moving object jumping in three dimensions from information of a plurality of image frames captured by the monocular camera by detecting a specific point of the moving object, calculating an amount of change with respect to three-dimensional positions of the specific point in the consecutive image frames, and calculating the trajectory of the specific point from a positional relation between straight lines having the positions of the specific point and a curved line capable of expressing a parabolic motion passing through a take-off point and a landing point.