Honda Giken Kogyo Kabushiki Kaisha

Honda Motor Co., Ltd.

Honda Giken Kogyo K.k.

Teruo Wakashiro

Atsushi Matsubara

Shinichi Kitajima

Hideyuki Takahashi

Shigetaka Kuroda

Yasuo Nakamoto

Kazutomo Sawamura

Atsushi Izumiura

Kazumi Yamazaki

Hideyuki Oki

Takeshi Hara

Kan Nakaune

Kohei Hanada

Kenji Nakano

Hironao Fukuchi

Koichi Hidano

Tomoyuki Kawakami

Takeaki Nakajima

Toshinari Shinohara

Manabu Niki

Takahiro Yonekura

Masanobu Asakawa

Minoru Suzuki

Asao Ukai

Takashi Kiyomiya

Tomohiro Nishi

Youichi Iwata

Kouichi Hidano

Yuichi Shimasaki

Takashi Iwamoto

Hiroshi Kitagawa

Masaaki Horiuchi

Shigeo Hidai

Fumihiko Konno

Makoto Kishida

Yutaka Tamagawa

Masakazu Kitamoto

Morio Kayano

Tetsuya Hasebe

Naohisa Morishita

Katsuhiro Kumagai

Fumio Hosoda

Hideo Moriwaki

Yoshihiko Kobayashi

Toshikatsu Takanohashi

Atsushi Shibutani

Hiroaki Muramatsu

Tomoharu Kamo

Sachito Fujimoto

Naoto Sen

Takahiro Eguchi

Toshiyuki Sato

Kojiro Tsutsumi

Takahiro Sasaki

Hiroshi Maruyama

Kazunori Watanabe

Hiroyuki Makino

Toshikazu Oketani

Masaaki Yamaguchi

Hiroshi Ohno

Kazuhiro Hara

Yoshiharu Abe

Hiroaki Mihara

Toshitaka Hachiro

Shoichi Hokazono

Keisuke Uchida

Masashi Uchiyama

Toshikatu Takanohashi

Toshikastu Takanohashi

Kazuya Ozono

Osamu Kimura

Koichiro Ozawa

A drive control apparatus for a hybrid vehicle which has an engine selectively set in one of a normal fuel-consumption operation mode and a low fuel-consumption operation mode for obtaining a lower fuel consumption; a generator selectively used for one of being driven by the engine and assisting driving of the engine; a motor for generating a driving force of the vehicle by electric power supplied by the generator or a battery device; and a clutch between the generator and wheels of the vehicle. The drive control apparatus has a control part for performing a low fuel-consumption driving assistance mode when the engine is set in the low fuel-consumption operation mode. In the low fuel-consumption driving assistance mode, the clutch is connected, and driving of the vehicle is assisted using one of the generator and the motor, which is selected in accordance with an operation state of the vehicle.

Drive control apparatus for hybrid vehicle

A running control apparatus for a vehicle controls a state of running using a driving source for generating a driving force of the vehicle. The apparatus includes an accelerator pedal measuring device for measuring a degree of depression of an accelerator pedal of the vehicle; and a vehicle speed measuring device for measuring a vehicle speed of the vehicle. A driving-force maintenance mode for maintaining the driving force or a vehicle-speed maintenance mode for maintaining the vehicle speed is executed based on the measured degree of depression of the accelerator pedal and the measured vehicle speed. The apparatus may include an inter-vehicle distance measuring device for measuring an inter-vehicle distance between the present vehicle and a vehicle ahead thereof. An inter-vehicle-distance maintenance mode is also provided so as to maintain the inter-vehicle distance based on the measured degree of depression of the accelerator pedal and the measured inter-vehicle distance.

Running control apparatus for vehicle

A controller in the electric vehicle is provided in which data which are criteria to determine a magnitude of degradation tendency of a high-voltage secondary cell are stored in a ROM in a high-voltage battery electrical controller. When it is detected that an ignition switch is turned off, the magnitude of the degradation tendency is determined depending on a temperature of the high-voltage secondary cell and a state of charge value based on the data. When it is determined that the degradation tendency is large, the battery fan and the air conditioner are operated so that the state of charge value and the temperature decrease. Next, while repeating determination of the magnitude of the degradation tendency, when it is determined that the degradation tendency is small, the operation of the battery fan and the air conditioner is stopped. Therefore, the state of charge value is prevented from decreasing more than necessary.

Battery temperature controller for electric vehicle

A control device for a motor-driven vehicle, the control device includes: a zone determining unit that determines at least a normal use zone, a discharge zone, an over-discharge zone, a charge zone, and an over-charge zone; and a control unit controlling the motor by stipulating the charge and discharge power of the storage unit for each zone that is determined by the zone determining unit, setting the normal use zone to be in a predetermined range that includes a remaining capacity at which the discharge output according to the remaining capacity of the storage unit and the charge input according to the remaining capacity of the storage unit are equivalent, and making the discharge output and the charge input in the normal use zone to be a predetermined value regardless of the remaining capacity of the storage unit in the zone.

Control device for motor-driven vehicle

An object is to improve fuel consumption efficiency. Accordingly, a fuel gradual addition delay time when starting (engine water temperature) TMKSTDLYT which changes in a decreasing trend with an increase in the engine water temperature is set (step S). A fuel gradual addition delay time when starting (state of charge)TMKSTDLYQ which changes in an increasing trend with an increase in the state of charge QBAT is set (step Sand S). A fuel gradual addition delay time when starting (vehicle speed) TMKSTDLYV which changes in a decreasing trend with an increase in vehicle speed VP is set (step Sand S). Then the greatest value of; the fuel gradual addition delay time when starting (engine water temperature)TMKSTDLYT, the fuel gradual addition delay time when starting (state of charge)TMKSTDLYQ, and the fuel gradual addition delay time when starting (vehicle speed) TMKSTDLYV is set as a fuel gradual addition delay time when starting TMKSTDLY (step S).

Control apparatus for hybrid vehicle

An air conditioning device for a vehicle having a regenerative section improves efficiency of regeneration. The air conditioning device comprises a compressor () connected to an output shaft () of an engine () via an electromagnetic clutch (), a motor-generator () for electrically recovering kinetic energy of the vehicle () during deceleration, a battery () for storing energy regenerated by the motor-generator (), and a motor-driven compressor (). When the vehicle () is in a deceleration state, the compressor () is disconnected from the engine () by disengaging the electromagnetic clutch (), and air conditioning is performed by the motor-driven compressor ().

Air conditioning device for vehicle

A failure detection device for a vehicle having a deceleration deactivatable engine, by which failure detection, performed primarily by monitoring the oil pressure of operation oil, is ensured. The failure detection device is provided for a vehicle having a deceleration deactivatable engine in which it is possible to deactivate at least one cylinder by closing both of intake and exhaust valves thereof by applying the oil pressure of operation oil to a passage for deactivation execution via an actuator, and also it is possible to cancel the closed state of both of the intake and exhaust valves by applying the oil pressure of the operation oil to a passage for deactivation cancellation. The failure detection device includes an oil pressure condition judgement section (steps Sand S) which determines whether the oil pressure of the operation oil measured by a POIL sensor satisfies threshold conditions, and an abnormality judgement section (steps Sand S) which determines that abnormality exists when it is determined, by the oil pressure condition judgement section, that the oil pressure of the operation oil does not satisfy the threshold conditions.

Trouble detector of vehicle having deceleration idling-cylinder engine

An FI/AT/MGECU, in a cylinders deactivation operating state during cruise control where the vehicle speed follows a predetermined target speed, regulates renewal on an addition side of a power plant required torque final value TQPPRQF, and in a case where a flag value of a torque hold flag F_CCKTQS showing to hold the power plant required torque final value TQPPRQF to a predetermined torque value related to a cylinder deactivation upper limit torque TQACS is a '1' (YES side in step S), when the vehicle speed VP is decreased less than a value obtained by subtracting from a set vehicle speed VC which is the target vehicle speed during cruise control, a predetermined vehicle speed #&#x394;V (for example, #&#x394;V=3 km/h or the like) (YES side in step S), the internal-combustion engine E is switched from a cylinders deactivation operation to an all cylinders operation. The fuel consumption efficiency is thus improved while keeping occupants in the vehicle from feeling discomfort with respect to travelling behavior.

A motor charge-discharge torque limit correction coefficient for during cylinder deactivation enlargement assistance, which changes with an increasing trend according to an increase in a regeneration/assistance integrated residual amount which is an integrated value of the energy amount obtained during deceleration regeneration of vehicle, that is a correction coefficient which corrects to decrease an energy management discharge torque limit which is an upper limit value of motor torque set according to for example, an energy state in high voltage electrical equipment and an operating state of the vehicle, when assisting the output from the internal-combustion engine by the motor, is calculated. A value obtained by correcting the energy management discharge torque limit is set to an energy management discharge torque limit for cylinder deactivation enlargement assistance, and a cylinder deactivation upper limit ENG torque is added so as to calculate a cylinder deactivation upper limit torque.

A control device for a hybrid vehicle having an engine and a motor as driving sources for the vehicle, and when decelerating, the control device stops the fuel supply to the engine and generates energy by regenerative braking. The engine is a cylinder pause-type engine which is capable of switching between the all-cylinder driving state in which all of cylinders are operating, and a cylinder paused driving state in which all of the cylinders are paused, and the control device of the hybrid vehicle comprises a cylinder pause state determination device for determining whether the engine is in the all cylinder driving state or in a cylinder paused driving state and a regeneration amount supplementing device for supplementing the regeneration energy by the motor by use of the increment of the regeneration energy obtained during the cylinder pausing operation than that obtained during all cylinder driving state.

Controller of hybrid vehicle

A control device for a hybrid vehicle which enables an appropriate electrical control based on the usable electrical energy stored in the battery device. In this control device, in step Sin which it is determined whether the value of an energy storage zone B flag F_ ESZONEB is '1'. When the result of the determination is 'Yes', the operation proceeds to step SIn step in step Sthe WOT assist amount lowest coefficient KQBWOASTL, which increases as the use-permission zone PECAPFIB of the state of charge SOC increases, is retrieved from a table. In step in step Sthe WOT assist amount coefficient,KQBWOAST, which increases from the lowest table value KQBWOASTL to a predetermined highest value as the state of charge SOC increases, is retrieved from a table, and a value obtained by multiplying the WOT assist command WOTAST and the WOT assist amount coefficient KQBWOAST retrieved from the table is newly set as the WOT assist command WOTAST.

Control device for hybrid vehicle

A control device for a hybrid vehicle, the hybrid vehicle comprising an engine and a motor as power sources, the control device including: a battery device sending energy to and receiving energy from the motor, a temperature sensor for measuring the temperature of the battery device; a control section which is adapted to execute a warming control operation for the battery device when the temperature of the battery device is low; and a determination section for determining whether a cylinder deactivation operation is permitted for the engine depending on the running state of the engine. The control section executes a vibration control operation for the engine by operating the motor so as to reduce vibration of the engine when it is determined by the determination section that the partial cylinder deactivation operation is permitted for the engine, and to perform the warming control operation for the battery device by executing a vibration control operation for the engine.

A control device for a hybrid vehicle which enables an improvement in fuel consumption by means of a cylinder deactivation operation while maintaining brake performance. The hybrid vehicle has an engine (E) and a motor (M) for outputting power for driving the vehicle, wherein a regenerative brake is used during deceleration traveling of the vehicle in accordance with a deceleration state thereof, and the engine (E) includes at least one deactivatable cylinder which is deactivatable during deceleration traveling of the vehicle. The control device comprises: a deactivation determining section for determining whether the deactivatable cylinder is allowed to be deactivated in accordance with a traveling state of the vehicle; a deactivation cancellation determining section for canceling cylinder deactivation during deactivation operation; an intake pressure sensor (S); a master vac negative pressure sensor (S); and a control valve () for opening/closing a secondary air passage () for providing auxiliary air into the intake passage (), wherein the control valve () is closed when the intake pressure is a negative value lower than a predetermined threshold during deceleration traveling of the vehicle.

A control apparatus for a hybrid vehicle for generating an appropriate amount of regeneration energy during deceleration. A control apparatus for a hybrid vehicle including an engine and electric motor for driving the hybrid vehicle wherein the engine comprises cylinders capable of deactivated operations and the motor executes regenerative braking when the vehicle is decelerating. The control apparatus of the present invention includes a cylinder deactivation determination device for determining whether or not the vehicle speed is appropriate for executing the cylinder deactivated operation, a regeneration amount calculating device for detecting whether the vehicle state is appropriate for regeneration and calculates the amount of regeneration; and further includes a compensation amount calculating device that compensates the amount of regeneration based on an all cylinder deactivated operation and the engine rotation speed.

Growing community of inventors

Shioya-gun, Japan

Teruo Wakashiro