Abstract: A mobile charging apparatus is provided. The apparatus comprises a battery for charging a work machine; a movement unit that causes the mobile charging apparatus to autonomously move; and a controller that executes a program to perform control such that the movement unit moves the mobile charging apparatus to a predetermined position to wait for the work machine.

Abstract: An autonomous control system and method for a vessel are provided. The autonomous control system includes a route setting unit, setting a route to a destination; a disturbance data acquisition unit, acquiring disturbance data from sources other than the vessel; an autonomous control unit, performing a control of the vessel based on the route set by the route setting unit and corrects the control of the vessel based on the disturbance data acquired by the disturbance data acquisition unit.

Abstract: An automatic berthing system and method for a vessel are provided. The automatic berthing system comprises a controller, controlling the vessel; an input part, receiving an input to perform the automatic berthing mode; at least one peripheral sensor, detecting position information and speed information of another vessel other than the vessel to determine whether a wake caused by the another vessel has influence on the vessel. The controller performs an automatic berthing control when the input to perform the automatic berthing mode is received until the vessel reaches a berthing position, and the controller stops the automatic berthing control when the another vessel is located within a predetermined distance from the vessel based on the position information.

Abstract: A mobile charging apparatus is provided. The apparatus comprises a battery for charging a work machine; a movement unit that causes the mobile charging apparatus to autonomously move; and a controller that executes a program to perform control such that the movement unit moves the mobile charging apparatus to a predetermined position to wait for the work machine.

Abstract: An information processing apparatus with a DC-DC converter, comprising: a calculation unit configured to calculate an impedance of a mobile battery attached to the information processing apparatus; and a control unit configured to control continuation or stop of a boost operation of the DC-DC converter on a basis of the impedance, wherein the control unit performs control to continue the boost operation of the DC-DC converter when the impedance is less than a threshold, and performs control to continue the boost operation by limiting some of functions of the information processing apparatus when the impedance is equal to or more than the threshold and less than a second threshold.

Abstract: A control circuit includes a first mode for thinning out pulses of a drive signal according to an input current, a hybrid mode combining pulse width control that controls a pulse width of the drive signal and intermittent control that thins out pulses of the drive signal, and a second mode for thinning out the pulses according to an output voltage. The control circuit selects the second mode when a duty ratio of the drive signal is a predetermined threshold or less, selects the hybrid mode when the duty ratio of the drive signal exceeds the predetermined threshold and the input voltage is a predetermined specified value or more, and selects the first mode when the duty ratio of the drive signal exceeds the predetermined threshold and the input voltage is less than the predetermined specified value.

Abstract: A method includes calculating power consumption of a DC-DC converter, controlling the DC-DC converter so that an output direct current voltage output from the DC-DC converter becomes higher than a target voltage preset in the DC-DC converter when a power consumption is less than first power, and controlling the DC-DC converter so that the output direct current voltage output from the DC-DC converter becomes lower than the target voltage when the power consumption exceeds second power greater than the first power.

Abstract: An information providing system in which a plurality of information collection devices, a server, and a plurality of information reception devices are connected by a network, each of the plurality of information collection devices comprises: a rechargeable battery configured to supply power to drive the information collection device; a monitoring circuit configured to monitor a state of the battery; a sensor configured to detect a state of an environment where the plurality of information collection devices are installed; a memory configured to store first data indicating a history of the state of the battery monitored by the monitoring circuit and second data indicating a state of the environment detected by the sensor; and a transmission unit configured to transmit the first data and the second data stored in the memory via the network based on a request from the server.

Abstract: The present invention provides an assistance system for assisting with battery reuse, comprising: an acquisition unit configured to acquire, from a user of the battery, time information indicating a scheduled sale timing of the battery, and model information indicating a model and a shape of the battery; a selection unit configured to select a plurality of product types in which the battery can be mounted, based on the model information acquired by the acquisition unit; and a notification unit configured to notify the user of a transaction price of the battery at the scheduled sale timing, for each of the plurality of product types selected by the selection unit, based on the time information acquired by the acquisition unit.

Abstract: The present invention provides a management system for managing a battery mounted on a vehicle, comprising: an acquisition unit configured to acquire rank information indicating a product rank set by a user as a reuse destination of the battery; and a notification unit configured to notify the user of restriction item information indicating an item for restricting a function of the vehicle such that a deterioration state of the battery at a predetermined time satisfies a request state of the product rank, based on the rank information acquired by the acquisition unit.

Abstract: A mobile charging apparatus is provided. The apparatus comprises a battery for charging a work machine; a movement unit that causes the mobile charging apparatus to autonomously move; and a controller that executes a program to perform control such that the movement unit moves the mobile charging apparatus to a predetermined position to wait for the work machine.

Abstract: In a charge/discharge system having a battery mounted in an electric vehicle, a charging station that charges the battery, and a connector that connects the battery of the electric vehicle and the charging station through a power line, there are provided a detector that applies a voltage to a terminal connected to the power line of the connector and detects whether the connector connects the battery and the charging station based on change of the applied voltage, and a controller that controls charge/discharge of the battery through the connector based on the state of charge of the battery memorized in a memory when it is detected that the connector connects the battery and the charging station.

Abstract: In a cogeneration apparatus having a power generation unit equipped with a power generator, an internal combustion engine, and a hot water tank connected to the engine through a heat exchanger, there are provided a first pump provided at a flow channel connecting the engine to the heat exchanger and a second pump provided at a second flow channel connecting the heat exchanger to the hot water tank. A temperature of the engine cooling water heated by the engine and a temperature difference between the temperature and a temperature of the engine cooling water cooled by the heat exchanger is determined and based on the determined values, flow rates of the first and second pumps are controlled.

Abstract: In a charge/discharge system having a battery mounted in an electric vehicle, a charging station that charges the battery, and a connector that connects the battery of the electric vehicle and the charging station through a power line, there are provided a detector that applies a voltage to a terminal connected to the power line of the connector and detects whether the connector connects the battery and the charging station based on change of the applied voltage, and a controller that controls charge/discharge of the battery through the connector based on the state of charge of the battery memorized in a memory when it is detected that the connector connects the battery and the charging station.

Abstract: In a cogeneration apparatus having a power generation unit equipped with a power generator, an internal combustion engine, and a hot water tank connected to the engine through a heat exchanger, there are provided a first pump provided at a flow channel connecting the engine to the heat exchanger and a second pump provided at a second flow channel connecting the heat exchanger to the hot water tank. A temperature of the engine cooling water heated by the engine and a temperature difference between the temperature and a temperature of the engine cooling water cooled by the heat exchanger is determined and based on the determined values, flow rates of the first and second pumps are controlled.

Abstract: The present invention provides an engine for model in which the number of parts can be reduced, the engine can be manufactured easily, the engine can be assembled for a short time, and the engine can be manufactured inexpensively. An engine for model in which a crankshaft is rotatably disposed in a crankcase, a piston is fitted in a cylinder body such that the piston can reciprocate, the cylinder body is mounted on an upper portion of the crankcase, the piston is connected to the crankshaft through a con-rod, wherein the cylinder body is integrally formed with a cylinder portion into which the piston is fitted such that the piston can reciprocate, and a heat sink head portion formed in an upper cylinder portion.

Abstract: A catheter adapted to be inserted into a blood vessel is disclosed which comprises a flexible tube-like sheath including a fluid passage therein and a radially expansive and contractive balloon disposed about the peripheral surface of the distal end portion of said sheath and communicating with said fluid passage. The catheter is characterized in that a light guide formed by extrusion for transmitting illumination light to the leading end of the catheter has disposed therein, an image guide for transmitting an image from the distal end of the catheter, and a transparent liquid guide passage opening at the distal end of the catheter, are guide being disposed substantially in parallel with each other within the flexible tube-like sheath whereby the catheter includes the concurrent function of an endoscope.

Abstract: An optical transmission channel for use in such optical devices as a fiberscope or an optical fiber sensor. The optical transmission channel is formed of an optically transmissive material and extends longitudinally with a substantially cylindrical peripheral surface. At least one groove extends parallel to the axis of the channel in the periheral surface and provides an efficient space for receiving another optically transmissive member. In a preferred embodiment, a fiberscope includes a grooved illuminating light transmission channel having an image fiber mounted in one groove and a tube mounted in the other, the tube being provided to carry air between a balloon member at one end and a syringe at the other for contracting and expanding the balloon. By providing the tube and image fiber in grooves in the illuminating light transmission channel, the required cross-sectional area for these elements may be minimized.

Abstract: A fiberscope having a covering tube, an image fiber for transmitting picture images and equipped with an optical system at its tip end for focusing an image of an object to be observed, and light guides for transmitting light and placed along with said image fiber. The image fiber and the light guides are enclosed in said covering tube. A plastic body formed of substantially transparent material and convex shape is provided at front ends of the light guides. Liquid guide passages are also provided between an inner peripheral surface of the covering tube and outer peripheral surfaces of the image fiber and the light guides. Outlet ends of the light guides are arranged in positions substantially symmetrical with respect to an output end of the image fiber, and outlet ends of the liquid guide passages are arranged in positions substantially symmetrical with respect to the outlet end of the image fiber.

Abstract: An optical fiber sensor is composed of an outer portion generally in the form of a tube which constitutes an illumination light transmission path. Inside the tube is formed or inserted an image path for directing image light back to an observation point. A longitudinal hole may be formed beside or surrounding the image path for conducting a fluid to the observed location. The sensor is especially suitable for medical image catheter or endoscopic usage.