Honda Motor Co., Ltd.

Hisao Haga

Yuji Yasui

Eiji Hashimoto

Norio Suzuki

Katsuji Wada

Koichi Nakajima

Hideki Matsunaga

Nobuhiro Komatsu

Masafumi Sakota

Naohiro Sato

Tomoko Morita

Tadashi Umeda

A power supply system includes: a prediction unit that, based on required power, generated power, and a current SOC of a power storage device, predicts a predicted SOC that is an SOC of the power storage device obtained after a predetermined time; a correction power amount determination unit that determines a correction power amount used for reducing a deviation between the predicted SOC and a target SOC to be achieved; a target generated power correction unit that determines corrected target generated power by correcting target generated power with the correction power amount, the target generated power being the generated power determined in accordance with the required power; and a control unit that can control a power generation device based on the corrected target generated power.

Power supply system and moving object

A flying object control device includes: a determination unit that determines, based on a remaining capacity of a battery, whether or not to restrict supply of surplus electric power to the battery, the surplus electric power being a surplus of electric power generated by a generator; and a control unit that, when the determination unit determines to restrict the supply of the surplus electric power to the battery, causes the surplus electric power to be consumed by a motor by increasing a rotor rotational speed that is a rotational speed of a rotor, and adjusts a steering angle of an elevator to restrict ascent of a fuselage caused by an increase in the rotor rotational speed.

Flying object control device, flying object control method, and non-transitory computer-readable storage medium storing program

A power supply device includes a power generator, a drive source, a plurality of power supply lines, a plurality of batteries, a current value calculation part, a demanded battery power calculation part, and a power summation part. The current value calculation partcalculates the C-rates CR, CR, CRand CRof the batteries based on the charge levels of the batteries. The demanded battery power calculation partcalculates a demanded power P or Q of the batteries based on the calculated C-rates CR, CR, CRand CRand the capacities of the batteries. The power summation partsums the demanded power P or Q of the batteries and power demanded by electrical loads. The control unitcontrols the drive source such that the power generator generates power calculated by the power summation part

Power supply device

The flying object control deviceincludes a generator, a drive source, a battery, an electric motor, a battery status determination unit, and a state-of-charge control unit. The battery status determination unitdetermines a first amount of charge power, which is a current state of charge of the battery. After a flying object starts cruising, the state-of-charge control unitcalculates a second amount of charge power, which is a state of charge of the batteryrequired for takeoff during the next flight, based on flight plansandof the flying object, predicts timing of supplying electric power from the generatorto the batterybased on the first amount of charge power and the second amount of charge power, and starts power supply from the generatorto the batteryat this timing.

Flying object control device for switching power supply based on flight plan and battery status

An exhaust gas purification device () for a gas turbine engine () comprises a catalyst chamber () defined in an exhaust gas passage (), a reduction agent container () containing a solid material that releases a reduction agent gas effective for NOx reduction when heated, a heating device () for heating the solid material contained in the reduction agent container, and a reduction agent gas supply passage () for supplying the reduction agent gas released from the solid material into the catalyst chamber.

Exhaust gas purification device for gas turbine engine

A control device () of a flying object includes a generator (), a driving source (), a battery (), an electric motor (), a rotor blade (), a battery status determination part (), a variable pitch mechanism (), and a pitch change control part (). The electric motor () is driven by electric power supplied from at least one of the generator () and the battery (). The rotor blade () is driven by the electric motor (). The battery status determination part () determines a state of charge of the battery (). The variable pitch mechanism () changes a pitch of the rotor blade (). The pitch change control part () determines whether the pitch of the rotor blade () is changed based on a charging rate of the battery determined by the battery status determination part ().

Control device of flying object

An exhaust purification system for an internal combustion engine is provided that can maintain the NOx purification rate of a selective reduction catalyst at near the maximum thereof. The exhaust purification system is provided with an oxidation catalyst and CSF provided in the exhaust plumbing of the engine, a selective reduction catalyst that is provided in the exhaust plumbing on the downstream side of oxidation catalyst and CSF, and selectively reduces NOx in the exhaust, and a NOsensor that detects NOin the exhaust inside of the exhaust plumbing on the downstream side of the selective reduction catalyst. An ECU executes NO-NOx ratio decrease processing to cause the NO-NOx ratio corresponding to the ratio of NOto NOx in the exhaust flowing into the selective reduction catalyst to decrease, in a case of a detection value Vnofrom the NOsensor being greater than a predetermined value Vno_th.

Exhaust purification system for internal combustion engine

An exhaust purification system for an internal combustion engine is provided that can steadily maintain a NOx purification rate of a selective reduction catalyst to be high without allowing the fuel economy or marketability to deteriorate. The exhaust purification system includes a NO&#x2014;NOx ratio adjustment mechanism that causes a NO&#x2014;NOx ratio to change; and a NO&#x2014;NOx ratio perturbation controller that executes NO&#x2014;NOx ratio perturbation control so that a NObalance of the selective reduction catalyst in a predetermined time period, with NOadsorption being positive and NOrelease being negative, is 0. Herein, NO&#x2014;NOx ratio perturbation control is defined as control that alternately executes NOincrease control to cause the NO&#x2014;NOx ratio to be greater than a reference value near 0.5, and NOdecrease control to cause the NO&#x2014;NOx ratio to be less than the reference value.

An EGR control apparatus for an internal combustion engine, which is capable of properly controlling an inert gas amount of two types of EGR gas supplied to cylinders of the engine via two paths different from each other, thereby making it possible to ensure a stable combustion state, reduced exhaust emissions, and improve operability. The EGR control apparatus includes low-pressure and high-pressure EGR devices, and an ECU. The ECU controls the low-pressure and high-pressure EGR gas amounts according to engine speed and demanded torque, and when a combination of engine speed and demanded torque is in a predetermined region, the low-pressure and high-pressure EGR gas amounts are controlled such that inert gas in low-pressure EGR gas exceeds in amount inert gas in high-pressure EGR gas, and the former more exceeds the latter as engine speed is higher or demanded torque is larger.

EGR control apparatus for internal combustion engine

A control system for a plant e.g. as a non-linear system, which is capable of properly suppressing interaction occurring between a plurality of control inputs and a plurality of controlled variables, thereby making it possible to properly control the controlled variables and easily design the control system. In the control system, each of a plurality of interaction suppression parameters for correcting the control inputs, respectively, such that the interaction is suppressed is calculated using a neural network constructed by using, out of the plurality of control inputs, a control input other than a control input corrected by a calculated interaction suppression parameter, as an input, and the interaction suppression parameter as an output.

Control system for plant

An EGR control apparatus for an internal combustion engine, which is capable of accurately controlling an inert gas amount and an inert gas ratio of two types of EGR gas supplied to cylinders of the engine via two paths different from each other, thereby making it possible to ensure a stable combustion state and reduced exhaust emissions. The EGR control apparatus includes a low-pressure EGR device, a high-pressure EGR device, and an ECU. The ECU calculates a target low-pressure opening, calculates an estimated value of an in-cylinder low-pressure inert gas flow rate, which is the estimated value of an inert gas amount included in low-pressure EGR gas supplied to the cylinders via an intake passage, calculates a target high-pressure opening using the estimated value, and controls low-pressure and high-pressure EGR control valves, using the target low-pressure opening and the target high-pressure opening.

In a control device for an internal combustion engine provided with a NOX catalytic converter in an exhaust passage thereof, the progress of sulfur purging is computed from the consumption of reducing agent contained in the exhaust gas in the NOX catalytic converter. This computation may be based on the air fuel ratio of exhaust gas upstream of the NOX catalytic converter and the estimated consumption of the reducing agent contained in the exhaust gas or on the difference between the air fuel ratios of exhaust gas upstream and downstream of the NOX catalytic converter. In either case, the accuracy can be improved by taking into account the space velocity of the exhaust gas.

Sulfur purge control device for an internal combustion engine

Provided is a control device for an internal combustion engine that can execute a sulfur purge in a favorable manner under all conditions without complicating the control action or the engine structure. The process comprises detecting a temperature of the NOx catalytic converter, detecting an exhaust air fuel ratio in the catalytic converter, computing a target exhaust air fuel ratio according to a detected temperature of the NOx catalytic converter, and controlling a fuel injection valve so as to make an actual exhaust fuel ratio agree with the target exhaust air fuel ratio. If the temperature of the NOx catalytic converter is not high enough to enable a sulfur purge, a temperature increase control is executed to increase the temperature of the NOx catalytic converter by suitably changing various engine parameters.

An exhaust gas purifying device for an internal combustion engine, comprises: a first catalyst (TWC, example) having a reducing capability; a second catalyst (LNC, example) provided downstream of the first catalyst, the second catalyst is adapted to trap NOx in a lean condition of air fuel ratio of an exhaust gas and reduce the trapped NOx in a rich condition of air fuel ratio of the exhaust gas; and an exhaust air fuel ratio control means for controlling an exhaust air fuel ratio to decrease the NOx in the first and second catalysts, wherein the exhaust air fuel ratio control means conducts NOx decreasing control suitable for the first catalyst when the second catalyst is in an inactive state and the first catalyst is in an active state, and wherein the exhaust air fuel ratio control means conducts NOx decreasing control suitable for the second catalyst after the second catalyst is activated.

Exhaust gas purifying device for an internal combustion engine

An exhaust gas purifying apparatus for an internal combustion engine having a NOx removing device provided in an exhaust system of the engine and at least one fuel injector for injecting fuel into a combustion chamber of the engine. A temperature of the NOx removing device is detected and a regeneration process, which removes sulfur oxide accumulated in the NOx removing device, is performed. The regeneration process is performed by performing at least one post injection after performing a main injection by the at least one fuel injector to raise a temperature of the NOx removing device or by increasing a main injection amount of fuel to raise the temperature of the NOx removing device without performing the post injection. The exhaust gases are then controlled to flow into the NOx removing device in the reducing state.

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Saitama-ken, Japan

Hisao Haga