Class / Patent application number | Description | Number of patent applications / Date published |
701072000 | During cornering or turning of vehicle | 37 |
20090018741 | DEVICE OPERABLE TO CONTROL TURNING OF VEHICLE - A device operable to control a turning of a vehicle, includes: a motion controller operable to: control a first adjuster so as to increase the drive force applied to at least one of front wheels and rear wheels situated in an inner side of the turning, and control a second adjuster so as to increase the braking force applied to at least one of the front wheels and the rear wheels situated in an outer side of the turning; and control the first adjuster so as to increase the drive force applied to at least one of the front wheels and the rear wheels situated in an outer side of the turning, and control the second adjuster so as to increase the braking force applied to at least one of the front wheels and the rear wheels situated in an inner side of the turning. | 01-15-2009 |
20090018742 | DEVICE OPERABLE TO CONTROL TURNING OF VEHICLE - A device operable to control a turning of a vehicle, includes: a motion controller operable to: control a first adjuster so as to increase a drive force applied to at least one of front wheels and rear wheels situated in an inner side of the turning, and control a second adjuster so as to increase the braking force applied to at least one of the front wheels and the rear wheels situated in an outer side of the turning; and control the first adjuster so as to increase the drive force applied to at least one of the front wheels and the rear wheels situated in an outer side of the turning, and control the second adjuster so as to increase the braking force applied to at least one of the front wheels and the rear wheels situated in an inner side of the turning. | 01-15-2009 |
20090088939 | Method and apparatus for identification of wheels of a vehicle and a vehicle comprising same - A method of determining the location information of a plurality of wheels mounted on a vehicle by obtaining a relationship between the lateral location of a wheel and the polarity of a transverse acceleration transmitted by an accelerometer of a wheel in response to a lateral turn of the vehicle in a direction of a lateral side of the vehicle and determining the lateral location of a wheel with reference to the polarity of the transverse acceleration signal transmitted by the accelerometer of the wheel upon the vehicle undergoing a lateral turn. | 04-02-2009 |
20090157275 | VEHICLE BEHAVIOR CONTROL SYSTEM - A slip angle differential value calculation unit | 06-18-2009 |
20090187323 | METHOD FOR IMPROVING THE OVERTURNING BEHAVIOR OF VEHICLES WITH THE AID OF REAR AXLE INTERVENTION - A method for improving the overturn behavior of vehicles in which in an imminent or predictably expected overturn risk at least the rear wheel on the outside of the curve is braked, in an imminent or predictably expected overturn risk the rear wheel on the outside of the curve being braked using a braking force which is a function of the transverse acceleration. | 07-23-2009 |
20090222185 | Method and system for controlling states of travel of a land craft - Method and system for controlling driving conditions of a land vehicle, with which, if understeering and oversteering driving conditions exist at the same time, measures for generating braking forces and/or driving forces which counteract the understeering driving condition, and measures for controlling braking forces and/or driving forces which counteract the oversteering driving condition are carried out at the same time. | 09-03-2009 |
20090248268 | DRIVE FORCE TRANSMISSION APPARATUS, CONTROL METHOD OF DRIVE FORCE TRANSMISSION APPARATUS, AND LIMITED SLIP DIFFERENTIAL - When determining that a vehicle is not skidding, the ECU carries out tight corner control if vehicle speed is smaller than the upper limit value of the vehicle speed range corresponding to the starting state of the vehicle and the steering wheel turning angle of a steering wheel is greater than or equal to the minimum value of the steering wheel turning angle at which the tight corner braking phenomenon may occur. When determining that the vehicle is skidding, the ECU inhibits the tight corner control even if the vehicle speed is smaller than the upper limit value and the steering wheel turning angle is greater than or equal to the minimum value of the steering wheel turning angle at which the tight corner braking phenomenon may occur. | 10-01-2009 |
20090326776 | System And Method For Correcting Brake Knockback In A Vehicle - A system and method for correcting brake knockback in a vehicle disk brake system. Brake knockback can occur when a vehicle is driven through an aggressive turn or in other environments that exert a significant amount of lateral force on the vehicle's wheels. This can cause the rotors to deflect and push brake pistons into retracted positions, where they remain even after the vehicle exits the turn. According to one embodiment, the present method first estimates or predicts brake knockback by using lateral acceleration readings from the vehicle and a brake knockback model, and then corrects brake knockback by generating command signals for a hydraulic pump. | 12-31-2009 |
20100030443 | CONTROL DEVICE FOR VEHICULAR DIFFERENTIAL LIMITING APPARATUS - A control device for a vehicular differential limiting apparatus is provided, for applying differential limiting torques to a left drive wheel and a right drive wheel of a vehicle during startup and running thereof with favorably suppressing occurrence of deflection of the vehicle. The control device for the vehicular differential limiting apparatus comprises differential limiting torque calculating portion | 02-04-2010 |
20100138128 | MOTORIZED WHEELCHAIR - A motorized wheelchair includes left and right drive wheels, left and right motors, rate-of-turn sensor, first and second speed sensors, and controller arranged to combine signals from the sensors in a manner that detects drift. Alternatively, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, and controller arranged to combine signals from the sensors in a manner that compensates for voltage offset errors. In another arrangement, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, input device, and controller arranged to combine signals from the sensors and input device in a manner that controls the motors using an integrated turn rate error. Several methods for controlling each wheelchair configuration are also provided. These methods process signals associated with desired, expected, or actual turn rate to determine if the wheelchair is off course. | 06-03-2010 |
20100332098 | VEHICLE MOTION CONTROL DEVICE - The vehicle motion control device performs anti-lateral overturn control for increasing a brake force to be generated at a front inside wheel of a vehicle in order to cause skidding at the front inside wheel when a condition for increasing a brake force to be generated at an outside wheel is satisfied, wherein the condition is that the vehicle motion control device is in the anti-lateral overturn mode and the vehicle is turning. | 12-30-2010 |
20110054757 | SYSTEM FOR ENHANCING CORNERING PERFORMANCE OF A VEHICLE CONTROLLED BY A SAFETY SYSTEM - A system for controlling a vehicle having a brake assembly for exerting braking force on at least one wheel on the basis of a number of control parameters is provided. The system has a safety system configured to generate the control parameters as a function of a control quantity associated with the braking force to be exerted on the at least one wheel; and a vehicle handling enhancement system configured to: calculate a reference vehicle yaw acceleration on the basis of at least the longitudinal speed of the vehicle and the steer angle of the vehicle; and adjust the control quantity to zero the difference between the actual yaw acceleration and the reference vehicle yaw acceleration. | 03-03-2011 |
20110077834 | VEHICLE MOTION CONTROL DEVICE - A vehicle motion control device is provided. The vehicle motion control device includes a steering angle deviation calculating unit which calculates a steering angle deviation of the vehicle, a frictional coefficient calculating unit which calculates each of road surface frictional coefficients for a traveling road surface of four wheels; and a pressure increasing and reducing controlling unit which performs a split control including applying a pressure increasing limitation of a pressure increasing control in an anti-skid control to a front wheel at a side of the traveling road surface having higher road surface frictional coefficient between the right and left wheels based on an absolute value of the steering angle deviation such that a pressure increasing gradient in the pressure increasing control is smaller as the absolute value is larger. | 03-31-2011 |
20120109484 | VEHICLE MOTION CONTROL SYSTEM - A vehicle motion control system which is to be installed on a vehicle having a single front wheel, a right wheel and a left wheel. The control system includes: (a) a front-wheel steering device configured to steer the front wheel; (b) a braking device configured to apply a braking force to each of the wheels; and (c) a controlling device including a braking-force controlling portion configured to control the braking force that is to be applied to each of the wheels. The braking-force controlling portion includes a slip-management controlling portion configured, when the vehicle is to be braked in a direction-change situation that there is a change of a heading direction of the vehicle due to slip of at least one of the right and left wheels and/or when the vehicle is to be braked in a direction-change risk situation that there is a risk of the change of the heading direction of the vehicle, to execute a slip managing control, such that a magnitude of the braking force applied to the front wheel varies depending on a direction of turning of the front wheel. | 05-03-2012 |
20120109485 | VEHICLE CONTROL SYSTEM, AND OPERATON DEVICE - A vehicle control device capable of obtaining the sufficient effect of vehicle control is provided. A vehicle control device | 05-03-2012 |
20120173111 | VEHICLE BEHAVIOR CONTROL DEVICE - To improve vehicle stability by starting control based on quicker detection of the possibility that a vehicle state will reach an unstable region. It is detected that a vehicle is in a pre-skid state that is the state prior to when the vehicle reaches an unstable region where skid occurs, and brake force is generated in a rear wheel at an outside of a turn when the pre-skid state is detected. As a result of generating this brake force, load applied to the wheels at the outside of the turn increases and lateral force of the vehicle increases. Thus, it is possible to make it more difficult for skid of the vehicle to occur, and so it is possible to inhibit, in advance, gentle deterioration in vehicle behavior such as slow spin. Accordingly, the possibility that a vehicle state has reached an unstable region can be detected earlier. | 07-05-2012 |
20120253625 | Vehicle - A vehicle including a respective brake for each driven, ground-engaging member that is operable under the control of driven member brake commands generated in a controller, a ground-engaging, steerable member that defines a steering angle, a sensor for generating a steering angle signal that is indicative of the steering angle, a sensor for generating a vehicle speed signal, and a sensor for generating a respective driven member speed signal. The controller is capable of generating driven member brake commands based on steering angle and vehicle speed signals together with a driven member slip estimation signal that is generated from the driven member speed signals. | 10-04-2012 |
20120303235 | VEHICLE SURGE AND SPARK TIMING CONTROL - A method is described for operating an engine of a vehicle, the engine having a combustion chamber. The method may include controlling a stability of the vehicle in response to a vehicle acceleration; and adjusting spark timing in the combustion chamber of the engine in response to a knock indication, and further adjusting spark timing in response to the vehicle acceleration to reduce surge. | 11-29-2012 |
20120310503 | method for stabilizing a vehicle in a driving situation in which the vehicle is simultaneously braked and steered - A method is described for stabilizing a vehicle during a braking maneuver, in which the vehicle is steered at the same time. In order to bring the vehicle back again into a controlled state as rapidly as possible, the driving state is monitored with respect to a driving situation in which the wheel slip of the front wheels is greater than a specified threshold value, and besides that, a steering requirement is present. If such a driving situation has been detected, the brake pressure is first reduced at a first front wheel and after that at a second front wheel on the other side of the vehicle, until the wheel start-up pressure is reached. Because of that, the first wheel starts up substantially faster than in response to a simultaneous pressure reduction. | 12-06-2012 |
20120316744 | VEHICLE CONTROL SYSTEM - A vehicle control system configured to stabilize a behavior of a vehicle during turning by correcting a driving force or a braking force. The vehicle control system comprises a lateral acceleration detecting means detecting longitudinal acceleration acting in an axle direction of the vehicle Ve (step S | 12-13-2012 |
20120316745 | TURNING CONTROL DEVICE FOR VEHICLE - A turning control device for a vehicle includes: a first standard yaw rate calculation unit that calculates a first standard yaw rate on the basis of detection signals of the lateral acceleration detection unit and the vehicle speed detection unit, a correction unit that corrects the first standard yaw rate, in an increasing direction on the basis of detection signals of a steering amount detection unit and the vehicle speed detection unit, and calculates a second standard yaw rate, a braking force control amount calculation unit that calculates a yaw rate deviation that is a deviation between the second standard yaw rate and an actual yaw rate, which is detected by the yaw rate detection unit, and determines a braking force control amount so as to cancel out the yaw rate deviation, and a braking control unit that controls the braking force on the basis of the braking force control amount determined by the braking force control amount calculation unit. | 12-13-2012 |
20120323458 | TURNING CONTROL DEVICE FOR VEHICLE - A turning control device for a vehicle which generates a yaw moment in the body of a vehicle includes: a steering wheel turning amount detection device which detects a steering wheel turning amount of the vehicle; a vehicle speed detection device which detects a vehicle speed of the vehicle; a feedforward control amount calculation unit which calculates a feedforward control amount based on at least the steering wheel turning amount; a braking force control amount calculation unit which determines a braking force control amount based on the feedforward control amount; a braking control device which controls the braking force based on the braking force control amount; and a steering direction determination device which determines whether a steering direction is an incremental steering direction or a returning-steering direction. The feedforward control amount calculation unit includes a feedforward control amount correction unit which corrects the feedforward control amount. | 12-20-2012 |
20120330526 | TURNING CONTROL DEVICE FOR VEHICLE - A turning control device for a vehicle includes: a first braking force control amount calculation unit that determines a first braking force control amount on the basis of detection signals of a steering amount detection unit and a detection unit, a second braking force control amount calculation unit that calculates a yaw rate deviation between a standard yaw rate and an actual yaw rate detected by the yaw rate detection unit and determines a second braking force control amount so as to cancel out the yaw rate deviation, and a braking control unit that controls the braking force on the basis of a total braking force control amount acquired by either adding or multiplying the first braking force control amount and the second braking force control amount. | 12-27-2012 |
20130060441 | SYSTEMS AND METHODS FOR IMPROVED AIRCRAFT BRAKING - Systems and methods disclosed herein may be useful for braking systems for use in, for example, an aircraft. A method is disclosed comprising determining, at a brake controller, an aircraft reference speed for an aircraft having a first wheel and a second wheel, identifying, at the brake controller, a state comprising the first wheel having a different rotational velocity than the second wheel, wherein the difference in rotational velocity sums to about zero, calculating, at the brake controller, a compensation factor for at least one of the first wheel and the second wheel, and adjusting, at the brake controller, a locked wheel trigger velocity in accordance with the compensation factor. | 03-07-2013 |
20130080015 | MOTORIZED WHEELCHAIR - A motorized wheelchair includes left and right drive wheels, left and right motors, rate-of-turn sensor, first and second speed sensors, and controller arranged to combine signals from the sensors in a manner that detects drift. Alternatively, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, and controller arranged to combine signals from the sensors in a manner that compensates for voltage offset errors. In another arrangement, the motorized wheelchair includes left and right drive wheels, left and right motors, first and second rate-of-turn sensors, input device, and controller arranged to combine signals from the sensors and input device in a manner that controls the motors using an integrated turn rate error. Several methods for controlling each wheelchair configuration are also provided. These methods process signals associated with desired, expected, or actual turn rate to determine if the wheelchair is off course. | 03-28-2013 |
20130103279 | VEHICLE BRAKE HYDRAULIC PRESSURE CONTROL APPARATUS AND ROAD SURFACE FRICTION COEFFICIENT ESTIMATING DEVICE - One embodiment provides a vehicle brake hydraulic controller including: an antilock braking controlling module configured to perform an antilock braking control in which a brake hydraulic pressure applied to wheel brakes is reduced under the condition that a slip-related amount has reached a pressure reduction threshold value; and a turning judging module configured to judge whether a vehicle is turning based on a steering angle, wherein, when the antilock braking control is performed and in the case that the turning judging module judges that the vehicle is turning, the antilock braking controlling module performs a turning pressure reduction control so as to: change the pressure reduction threshold values to be more easily reached by the slip-related amount than at the time of straight running; and change the pressure reduction amounts to be larger than that at the time of straight running. | 04-25-2013 |
20130184955 | VEHICLE BRAKE HYDRAULIC PRESSURE CONTROL APPARATUS - A vehicle brake hydraulic pressure control apparatus includes a hydraulic pressure adjusting unit, a split road determining section, a differential pressure control section, and a hydraulic pressure adjusting and driving section. The hydraulic pressure adjusting unit individually adjusts brake fluid pressures acting on wheel brakes for wheels. The split road determining section determines whether road surfaces which the wheels are in contact with constitute a split road. In a state where the split road determining section determines during execution of antilock braking control that the road surfaces constitute the split road, the differential pressure control section determines command pressures for the wheel brakes so that differential pressures between the brake fluid pressures of the right and left wheel brakes are equal to or less than a permissible differential pressure. The hydraulic pressure adjusting and driving section controls the hydraulic pressure adjusting unit based on the determined command pressures. | 07-18-2013 |
20130245908 | STABILITY CONTROL METHOD AND SYSTEM FOR USE WHEN DRIVING ON A LOW-MU SURFACE - A system and a method for assisting a driver of a vehicle to turn the vehicle when driving during low-mu surface conditions. The vehicle has a steering system, a plurality of wheels and a brake system allowing individual braking of the respective wheels of the vehicle. The system comprises a controller arranged to detect if the vehicle accelerates after the brakes of the vehicle have been applied, and detect a driver command to turn the vehicle in either direction. If both detections are positive the controller is further arranged to release the brake force on a side of the vehicle opposite to the detected turning command direction. | 09-19-2013 |
20130261922 | VEHICLE BRAKE CONTROLLER AND VEHICLE BRAKE CONTROL METHOD - A vehicle brake controller is capable of executing limit control when a driver is performing a brake pedal operation during turning of a vehicle, to limit an increase in a braking force applied to an inner wheel that is a wheel positioned on the inner side of the turn. The vehicle brake controller is configured to start the limit control when a wheel state value that becomes greater as deceleration of the inner wheel becomes greater exceeds a start determination value that is set to a value greater than zero. | 10-03-2013 |
20130282253 | BRAKE SYSTEM AND BRAKE CONTROL METHOD - It is an object of the present invention to control unstable behavior of a vehicle body that arises when braking during turning. | 10-24-2013 |
20140142831 | BRAKING FORCE CONTROL SYSTEM FOR VEHICLE - In a braking force control system for a vehicle having a braking system capable of controlling braking force of each of right and left front wheels and right and left rear wheels independently of one another, when anti-skid control starts being performed on one of the front wheels while the vehicle is running on a road having different coefficients of friction on the left side and right side thereof, increase of the braking force of the other front wheel laterally opposite to the above-indicated one front wheel is suppressed, and increase of the braking force of at least one of the right and left rear wheels is suppressed. | 05-22-2014 |
20140365097 | YAW MOMENT CONTROL DEVICE FOR VEHICLE - A vehicle yaw moment control device is basically provided with a steering state detection sensor and a controller. The steering state detection sensor is configured to detect a steered angle speed and a steered angle acceleration of a vehicle. The controller includes a brake force control part that is programmed to calculate a yaw moment controlled variable that is applied to the vehicle based on a signal detected by the steering state detection sensor and applying a brake force difference to left and right vehicle wheels in accordance with the yaw moment controlled variable. The brake force control part is further programmed to output a command to apply a predetermined brake force to a vehicle wheel to which brake force had not been applied upon determining a decrease in the steered angle speed. | 12-11-2014 |
20150112568 | VEHICLE BRAKING FORCE CONTROL APPARATUS - It is determined whether or not there is a “wheel to be subject to the vehicle stability control, in which a braking force is decreased with respect to a braking force corresponding to the pressing force of the brake pad due to fade or the like” (reduced braking force wheel) during vehicle stability control. When there is a reduced braking force wheel, a “wheel with a highest order of priority determined in advance for wheels for which a braking force needs to be generated in order to enhance the travel stability in the vehicle stability control” (first braking force allocated wheel) is identified among wheels excluding the reduced braking force wheel, and the pressing force of the brake pad of the first braking force allocated wheel is increased based on a lack of the braking force in the reduced braking force wheel. | 04-23-2015 |
20150112569 | LONGITUDINAL FORCE CONTROL APPARATUS AND SADDLED VEHICLE HAVING THE SAME - Provided is a longitudinal force control apparatus. A lateral acceleration acquisition section acquires a lateral acceleration along a right-left direction acting on a vehicle. A bank angle acquisition circuit acquires a bank angle of the vehicle. A longitudinal force controller may decrease an absolute value of a longitudinal force at least with respect to a driving wheel of the vehicle based on the acquired lateral acceleration and the bank angle when it is determined that a calculated lateral-skid acceleration is equal to or greater than a predetermined threshold. The longitudinal force is a sum of forces along a front-rear direction acting on the driving wheel. | 04-23-2015 |
20150331005 | Sensor Device for Speed Measurement on a Wheel of a Vehicle, Brake System for a Vehicle and Vehicle Therewith, and Use of the Sensor Device for Speed Measurement on a Wheel of a Vehicle - A sensor device for speed measurement on a wheel of a vehicle includes a sensor carrier with an integrated sensor to sense the rotation of a pole wheel that rotates along with the wheel. The sensor device has a clamping mechanism integrated into the sensor carrier by which the sensor carrier can be displaceably clamped into a holding opening in the region of the wheel and/or in any orientation with respect to rotations about the longitudinal axis of the sensor carrier. The sensor arrangement can be mounted with less effort and more cost-efficiently than with the current international standard of combining a clamping bush and subsequently mounted rod sensor. Spring-loaded clamps can be fastened as terminal blocks in longitudinal grooves in the sensor, and the spring-loaded elements thereof can protrude over the circumference of the sensor prior to mounting. | 11-19-2015 |
20160114794 | VEHICLE TRAVEL CONTROL DEVICE - A vehicle travel control device 1 includes a length acquisition unit 11 that is configured to acquire a length of a curve based on map information around a vehicle X, a determination unit 12 that is configured to determine a necessity of deceleration control of the vehicle X in the curve based on the acquired length of the curve, and a control unit 13 that is configured to execute the deceleration control of the vehicle X in a case where it is determined by the determination unit 12 that the deceleration control of the vehicle X in the curve is necessary. The determination unit 12 determines that the deceleration control of the vehicle X is unnecessary in a case where the length of the curve acquired by the length acquisition unit 11 is smaller than the threshold value. | 04-28-2016 |
20160375883 | METHOD OF DECREASING BRAKING DISTANCE - A system and a method of operating an antilock braking system in a vehicle. The system and method include an electronic control unit that monitors an angle sensor to determine whether the vehicle is moving straight. The electronic control unit also monitors a plurality of images produced from a vehicle camera orientated towards a road surface. The electronic control unit determines a type of road surface and whether the road surface is slippery based on these images. The electronic control unit operates the antilock braking system in a plurality of modes depending on information received about the road surface and the angle sensor. | 12-29-2016 |