Toyota Jidosha Kabushiki Kaisha

Kenji Hoshi

Masaaki Sato

Teruaki Haibara

Susumu Hashimoto

Shinichi Mitani

Naoya Kaneko

Daisuke Uchida

Hiroaki Adachi

A carwash device receives vehicle attribute information indicating an attribute of a vehicle that is a car-washing target. The carwash device selects a car-washing mode based on the vehicle attribute information, and the carwash device drives a drive section for washing the vehicle such that the vehicle is washed in the selected car-washing mode.

Carwash device, car-washing method, storage medium stored with car-washing program, and car-washing system

A driving control device including a processor. The processor detects that a vehicle has encroached into an area configured for car-washing by a carwash machine, switches a travel mode of the vehicle to autonomous driving, and controls the vehicle so as to stop at a carwash position for the carwash machine under autonomous driving.

Driving control device, storage medium storing driving control program, and driving control system

A vehicle system includes a regenerative braking device; a battery configured to charge electric power; an internal combustion engine including a fuel injection valve and an oil pressure control device that controls engine oil pressure; and a control device. The control device is configured, where depression of an accelerator pedal is released when the battery is in a non-fully charged state, to execute a fuel cut processing and a regenerative braking processing. On the other hand, the control device is configured, where depression of the accelerator pedal is released when the battery is in a fully charged state, to execute the fuel cut processing and an oil pressure increase processing to control the oil pressure control device such that the engine oil pressure becomes higher than an oil pressure value used when depression of the accelerator pedal is released in the non-fully charged state.

Vehicle system

When it is determined that the igniting environment is out of the desired range, the variable valve mechanism is controlled so that the swirl ratio is increased. When the swirl ratio becomes high, the discharge spark and the initial flame move largely in the flow direction of the swirl flow SW and approach the closest fuel spray. Therefore, the discharge spark and the initial flame are attracted to the closest fuel spray and the initial flame enlarges by involving the closest fuel spray (middle stage of FIG.). Further, the initial flame enlarges further by involving surrounded fuel spray (lower stage of FIG.).

Control device for internal combustion engine

When it is determined that the initial combustion is unstable, the engine speed is forcibly increased. When the engine speed is forcibly increased, fluidity in the cylinder increases. When the fluidity in the cylinder rises, homogeneity of the homogeneous air-fuel mixture is improved. Therefore, it is possible to enlarge the flame kernel. When the flame kernel is enlarged, the initial flame resulting from the flame kernel is also enlarged. Then, the initial flame becomes easy to involve the closest fuel spray thereby the initial combustion can be stabilized.

An intake stroke injection and a compression stroke injection are performed during catalyst warm-up control (upper section in FIG.). During the catalyst warm-up control, a discharge period at an electrode portion is set on a retard side of compression top dead center, and an expansion stroke injection is performed during the discharge period. However, when a distance between a spray contour surface and the electrode portion increases, an additional injection (first injection) is performed in advance of the expansion stroke injection (second injection) (lower section in FIG.). The additional injection is performed at a timing that is on the retard side of compression top dead center and is on an advance side relative to a start timing of the discharge at the electrode portion.

A lift amount variable mechanism is configured to switch a cam for driving an intake valve (drive cam) between two types of intake cams in lift amount (i.e. a large lift cam and a small lift cam). In a first embodiment of this disclosure, the lift amount variable mechanism is controlled by an ECU so that the small lift cam is selected as the drive cam for control that promotes activation of an exhaust gas cleaning catalyst (catalyst warm-up control).

A control apparatus for an internal combustion engine, wherein the internal combustion engine includes a fuel injection valve injecting fuel directly into a cylinder. The control apparatus includes an ECU. The ECU is configured to execute a divided injection control to inject fuel from the fuel injection valve by a plurality of partial lift injections. The ECU is configured to execute a division number reduction control when the value of a spray shape parameter representing spray shape fluctuation is greater than a division number reduction determination value. The division number reduction control is control to reduce the number of partial lift injections in one engine cycle and to lengthen an injection time of each of the partial lift injections.

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Gotemba, Japan

Kenji Hoshi