139results about How to "Suppress discomfort" patented technology

An alarm information providing apparatus for a vehicle includes a recognizer that recognizes surrounding circumstances of the vehicle in a plurality of directions, a provider that provides alarm information to a driver according to surrounding information output from the recognizer that recognizes surrounding circumstances, and a receiver that receives an alarm information request so as to control the provider using an instruction from the driver as a trigger and comprises a sensor configured to transmit information specifying a direction to an alarm information output controller without activating a turn signal.

A vehicle includes a power storage unit, a regenerative generator, and an electronic control unit. The regenerative generator is connected to the power storage unit and is configured to perform regenerative power generation. The electronic control unit is configured to perform regeneration amount enlargement control in which positions of stopping and deceleration of the vehicle by input of driver's operations are predicted or set based on route information, regenerative power generation by the regenerative generator is controlled, and a regeneration power amount charged into the power storage unit is enlarged. The electronic control unit is configured to restrict the regeneration amount enlargement control when executing a predetermined vehicle speed adjustment mode by comparison with when the predetermined vehicle speed adjustment mode is not selected, the vehicle running with automatic adjustment of vehicle speed in the predetermined vehicle speed adjustment mode selected by intentional input from the driver.

A drive power control apparatus for a vehicle includes a controller that adjusts the drive power for driving a vehicle to compensate for a parameter that affects the running state of the vehicle. When the vehicle enters a region where the acceleration of the vehicle needs to be changed based on the running environment or when the vehicle is traveling in the region in which the acceleration of the vehicle needs to be changed based on the running environment, the controller makes the amount by which the drive power is adjusted less than the amount by which the drive power is adjusted when the vehicle is traveling in a region other than the region in which the acceleration of the vehicle needs to be changed based on the running environment.

A target pathway generating device is provided with a map information acquisition unit, a curved path determination unit, an obstacle determination unit and a target pathway generating unit. The map information acquisition unit acquires map information. The curved path determination unit determines whether or not a curved path is present on a driving pathway of a vehicle based on the map information. Upon determining that a curved path is present, the obstacle determination unit determines whether or not there is an object to be avoided in the vicinity of the curved path. Upon determining that there is an object to be avoided, the target path generating unit generates a target pathway of the vehicle in order to avoid a predetermined region including the object to be avoided.

An operation line is set on the basis of a shift position and a brake pedal position, from among a plurality of operation lines in which a degree of avoidance of an abnormal noise generation region from a fuel-economy optimal operation line becomes smaller as a degree to which travel of the vehicle is restricted becomes greater. An engine and a motor are controlled by setting a target operation point of the engine using the set operation line, and by setting a torque instruction of the motor.

A brake control apparatus and method that reduces discomfort in a braking feel is provided. The brake control apparatus includes a wheel cylinder pressure control system that controls a hydraulic pressure applied to a wheel cylinder independently of an operation of a brake pedal; and a manual hydraulic pressure source that pressurizes a hydraulic fluid in accordance with the operation amount of the brake pedal. The wheel cylinder pressure control system and the manual hydraulic pressure source are in parallel with each other, and connected to the wheel cylinder. In the case where the wheel cylinder pressure is controlled by the wheel cylinder pressure control system, when the hydraulic pressure in the manual hydraulic pressure source is equal to or higher than the hydraulic pressure in the wheel cylinder, the hydraulic fluid is supplied from the manual hydraulic pressure source to the wheel cylinder.

In a power steering apparatus, a basic-target-rotational-speed setting portion 42 sets a basic target rotational speed Rb of an electric motor 27 on the basis of the vehicle speed and the angular velocity of steering. A temperature-coefficient setting portion 43 sets a temperature coefficient a which becomes smaller with an increase in the temperature. A target-rotational-speed setting portion 44 sets a target rotational speed R of the electric motor 27 on the basis of the formula R=α·Rb. A motor-drive control portion 45 controls a drive circuit 28 so that this target rotational speed R will be attained.

A driving support system according to the present invention is provided with an actuator for steering steered wheels of a vehicle and is used for supporting driving of the vehicle by making use of steering by means of the actuator. The driving support system has an image taking device for taking a forward image ahead the vehicle, a determiner for determining a controlled variable of the actuator on the basis of the forward image acquired by the image taking device, a limiter for limiting the controlled variable when a time change of the controlled variable of the actuator determined by the determiner is off a predetermined range, and a controller for controlling the actuator. The limiter sets a limit value for limiting the time change of the controlled variable of the actuator so that the limit value at a start (or at an end) of the driving support control is different from the limit value in continuation of the driving support control. In this configuration, the limit value to prevent a driver from sensing discomfort is set at the start (or at the end) of the driving support control, while the limit value suitable for the driving support control is set during continuous execution of the driving support control. This permits the system to achieve suppression of the discomfort at the start (or at the end) of the support control and improvement in performance of the support control in continuation of the control together.

A motor control device includes a motor drive circuit and a microcomputer that controls the drive circuit. The microcomputer generates a control signal on the basis of duty command values Du, Dv, and Dw to control the drive circuit. The microcomputer includes a dead time compensation section 87 that corrects the duty command values Du, Dv, and Dw on the basis of dead time compensation values Ddu, Ddv, and Ddw. The dead time compensation section 87 includes a basic compensation value computation section 92 that computes a basic compensation value Dd as a fundamental value of the dead time compensation values Ddu, Ddv, and Ddw, and a filter section 93 that performs a filtering process corresponding to a low-pass filter on the basic compensation value Dd. The dead time compensation section 87 sets the dead time compensation values Ddu, Ddv, and Ddw on the basis of an output value ± from the filter section 93.

An ECT_ECU executes a program including the step of identifying the drive mode, the step of determining whether the engine is in an idling state or not, the step of detecting the speed of an automatic transmission when not in an idling state, the step of detecting an accelerator press-down rate of change, the step of detecting vehicle speed, the step of calculating a target acceleration rate of change of the vehicle based on the drive mode, speed of the automatic transmission, accelerator press-down rate of change, and vehicle speed, and the step of calculating the target acceleration by integrating the calculated target acceleration rate of change with respect to time.

There is provided an electro-optical apparatus which is wearable on a human body, including: a display unit that includes pixels and a drive circuit which drives the pixel; and an case that contains the display unit and includes a contact surface which comes into contact with the human body. The contact surface is arranged to have at least one space from the display unit.

If the battery temperature (TB) of the main battery (10) is equal to or higher than the first temperature (T0) after a hybrid power vehicle is started, the cooling system performs first constant control for driving the cooling fan (40) with a first command value a predetermined duration and also performs the problem detection processing based on an actual rotation rate of the cooling fan (40) during the constant control. In addition, the battery temperature (TB) of the main battery (10) is equal to or higher than the first temperature (T0) during inhibition of the first constant control under a predetermined condition and a noise level within a vehicle interior is equal to or higher than a predetermined value (Lo), the cooling system performs second constant control for driving the cooling fan (40) with a second command value (D3) and performs the problem detection processing based on an actual rotation rate of the cooling fan (40) during the second constant control. And in this way, discomfort of passengers and over-temperature of a secondary battery can be suppressed, and a chance for detection of the cooling fan is fully ensured.

A speed change control device for an automatic transmission according to this invention determines whether or not a request to downshift a gear position of the transmission exists during traveling in a manual speed change mode (S1, S2), and calculates an input shaft rotation speed of the transmission following a downshift based on the downshift request (S4). When it is determined that the calculated rotation speed is higher than a rotation speed limit value (S5), the speed change control device performs a downshift to a gear position at which the input shaft rotation speed of the transmission is lower than the calculated rotation speed (S6, S8).

A control system for a hybrid vehicle configured to reduce frequency of establishing an engine braking force is provided. The control system is configured to operate a first motor as a motor to increase torque of an output member while halting the output shaft of the engine by a brake, and to increase the deceleration torque of the second motor, if a state of charge of the battery is higher than a predetermined threshold level when deceleration of the hybrid vehicle is demanded.

The invention discloses a control method for a turbocharging air circulation valve of an engine. The control method comprises the steps that a first current operating condition of the engine is obtained; the turbocharging air circulation valve is controlled to be opened according to the first current operating condition; a first actual supercharge pressure value change rate of the engine is obtained; the turbocharging air circulation valve is controlled to be closed according to the first actual supercharge pressure value change rate; a first throttle percentage change rate and a first air inlet flow change rate of the engine are obtained; the turbocharging air circulation valve is controlled to be opened according to the first throttle percentage change rate and the first air inlet flow change rate; a second current operating condition of the engine is obtained; and the turbocharging air circulation valve is controlled to be closed according to the second current operating condition. By the adoption of the control method for the turbocharging air circulation valve of the engine, rapid decrement of the output torque of the engine and intermittent discomfort of a whole vehicle caused by surging noise of an air inlet pipeline can be effectively restrained, and the driving comfort of the whole vehicle is greatly optimized. The invention further discloses a control device for the turbocharging air circulation valve of the engine.

Disclosed are: an ophthalmic composition according to a non-conventional novel preparation, which has histamine release inhibitory action; and an ophthalmic composition for a silicone hydrogel contact lens, which is capable of suppressing adsorption of terpenoid to a silicone hydrogel contact lens. Specifically, the ophthalmic composition is prepared using (A) 0.001-2 w / v% of a polymer that has a phosphorylcholine analogous group in a side chain in combination with (B-1) 0.001-0.02 w / v% of menthol. Meanwhile, the ophthalmic composition for a silicone hydrogel contact lens is prepared using (A) a polymer that has a phosphorylcholine analogous group in a side chain in combination with (B-2) terpenoid.

A vehicle engine start control device controls a crank angle such that the crank angle falls within a predetermined crank angle stop range when an engine is automatically stopped, the vehicle engine start control device starting the automatically stopped engine if a predetermined engine start condition is satisfied, the vehicle including an automatic transmission making up a portion of a power transmission path between the engine and drive wheels, and the vehicle engine start control device providing engine rotation resistance control such that rotation resistance of the engine generated due to a change in air pressure in a combustion chamber of the engine is made larger during an automatic stop period of the engine that the engine is automatically stopped and during a change in gear ratio in a shift of the automatic transmission as compared to the time of engine start.

A heat transport device which reduces the startup time of a loop heat pipe, and a projector having a heat transport device are provided. A heat transport device includes a loop heat pipe configured inthe form of a loop, and a control unit configured to control an amount of heat generated by a heat generating part when the loop heat pipe starts up. The loop heat pipe includes an evaporating unit configured to receive heat of a heat generating part as a cooling target and evaporate a hydraulic fluid, a condensing unit configured to radiate heat and condense vapor obtained by evaporation of thehydraulic fluid, a vapor pipe which connects the evaporating unit and the condensing unit to each other, and a liquid pipe which connects the condensing unit and the evaporating unit to each other.

A moving assist apparatus assists a vehicle which includes an internal combustion engine and an electric motor as a driving source to move from a current position to a destination. The moving assist apparatus includes a planning unit configured to, for each section obtained by dividing a traveling route from the current position to the destination, plan one traveling mode from a mode of not maintaining a charge storage amount of a battery and a HV mode of maintaining the charge storage amount of the battery, based on a traveling load associated with the section. The planning unit is configured to replan the traveling mode under a predetermined condition, and when the predetermined condition is satisfied, when a remaining distance of the section on which the vehicle is traveling is less than a threshold a, to replan a current ‘traveling mode to be the traveling mode in priority.

The invention discloses a skincare sterilizing sanitary pad which is composed of three parts, namely, a skin-friendly non-woven fabric surface layer, an absorbing layer and a breathable bottom film layer, wherein the skin-friendly non-woven fabric surface layer is bonded with the edge of the breathable bottom film layer; the absorbing layer is located between the skin-friendly non-woven fabric surface layer and the breathable bottom film layer; and the absorbing layer is prepared according to the following steps: mixing polyvinyl alcohol with distilled water and dissolving in water bath, thereby acquiring a polyvinyl alcohol aqueous solution, and then adding citric acid, alginate, fibrin glue, stannous octoate, chitin fiber, lauryl sodium sulfate and glutaraldehyde, uniformly mixing and then reacting, adding traditional Chinese medicine powder, uniformly stirring and then putting into a grinding tool and curing. The absorbing layer in the skincare sterilizing sanitary pad disclosed by the invention has skincare and sterilizing functions; the non-woven fabric surface layer has excellent breathability, light texture, moisture absorption, heat insulation, softness, abrasive resistance and capability of effectively restraining the skin discomfort of the user; and besides, the breathable bottom film layer is arranged under the absorbing layer, so that the forming of the wet environment is avoided and the practicability is high.

A measuring apparatus includes a case unit that is provided with a detection unit that detects biometric information; a band unit that fixes the case unit to a living body; and a buckle unit that is connected to the band unit to form a ring shape and has an adjustable length.

In a power steering apparatus, a basic-target-rotational-speed setting portion 42 sets a basic target rotational speed Rb of an electric motor 27 on the basis of the vehicle speed and the angular velocity of steering. A temperature-coefficient setting portion 43 sets a temperature coefficient α which becomes smaller with an increase in the temperature. A target-rotational-speed setting portion 44 sets a target rotational speed R of the electric motor 27 on the basis of the formula R=α·Rb. A motor-drive control portion 45 controls a drive circuit 28 so that this target rotational speed R will be attained.

An operation line is set on the basis of a shift position and a brake pedal position, from among a plurality of operation lines in which a degree of avoidance of an abnormal noise generation region from a fuel-economy optimal operation line becomes smaller as a degree to which travel of the vehicle is restricted becomes greater. An engine and a motor are controlled by setting a target operation point of the engine using the set operation line, and by setting a torque instruction of the motor.

An automatic transmission control device of a vehicle performs a gear change operation based on a deceleration of the vehicle. The automatic transmission control device detects the deceleration of the vehicle and an engine rotational speed. The device also stores a peak value of the engine rotation speed during a period in which a vehicle travels with one predetermined gear step, and includes a relationship map showing the relationship between the deceleration and a shift-down rotational speed. The device performs an automatic shift-down when the engine rotational speed is lowered from the peak value by a predetermined rotational speed which is obtained from the map based on the deceleration.

A speed change control device for an automatic transmission according to this invention determines whether or not a request to downshift a gear position of the transmission exists during traveling in a manual speed change mode (S1, S2), and calculates an input shaft rotation speed of the transmission following a downshift based on the downshift request (S4). When it is determined that the calculated rotation speed is higher than a rotation speed limit value (S5), the speed change control device performs a downshift to a gear position at which the input shaft rotation speed of the transmission is lower than the calculated rotation speed (S6, S8).

A drive power control apparatus for a vehicle includes a controller that adjusts the drive power for driving a vehicle to compensate for a parameter that affects the running state of the vehicle. When the vehicle enters a region where the acceleration of the vehicle needs to be changed based on the running environment or when the vehicle is traveling in the region in which the acceleration of the vehicle needs to be changed based on the running environment, the controller makes the amount by which the drive power is adjusted less than the amount by which the drive power is adjusted when the vehicle is traveling in a region other than the region in which the acceleration of the vehicle needs to be changed based on the running environment.

The present invention provides a continuously variable transmission and a shift control method, so as to prevent a shift in a manual mode from giving a sense of incongruity to a driver. In the continuously variable transmission with a variator (20) and a sub-transmission mechanism (30) connected, the shift control unit shifts the sub-transmission mechanism (30) while changing the speed ratio of the variator (20) in response to a change in the speed ratio of the sub-transmission mechanism (30) so that the through speed ratio does not change after the through speed ratio is caused to reach the final through speed ratio by changing only the speed ratio of the variator (20) if the speed ratio corresponding to the shift instruction from the driver is between a first speed ratio and a second speed ratio when the manual mode is selected.