| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 61 | Vehicle | US15112893 | 2016-02-19 | US09694819B2 | 2017-07-04 | Tomokazu Honda; Hitoshi Sasaki |
| A vehicle is equipped with a rotational velocity acquisition unit that acquires a rotational velocity of a rotary electric machine that imparts a steering force or a steering additive force to a steering system. A drive control device controls a left and right driving force difference by a driving device on the basis of a rotational velocity of the rotary electric machine. | ||||||
| 62 | MAINTENANCE VEHICLE | US15342239 | 2016-11-03 | US20170120922A1 | 2017-05-04 | Axel Schaedler; Jimmy N. Eavenson, Sr.; Peter J. Buchanan |
| A maintenance vehicle having a frame supported by a pair of traction wheels and at least one steered wheel. The maintenance vehicle also includes a steering assembly having a pair of control levers for directly controlling a pair of transmissions that drive the traction wheels, a pair of sensors for measuring a characteristic of each transmission, the sensors being operatively connected to a system controller which generates an output signal to a steering controller for independently controlling the steering of the steered wheel(s). | ||||||
| 63 | Vehicle Control Systems and Methods | US15181164 | 2016-06-13 | US20170072990A1 | 2017-03-16 | Richard Ruebusch; Timothy M. Obrzut; Hans Hauser; Axel Schaedler |
| Systems and methods for controlling the speed and direction of vehicles such as tractors. | ||||||
| 64 | Multi-Mode Steering Control For A Vehicle | US15227342 | 2016-08-03 | US20160339952A1 | 2016-11-24 | Thomas D. Bebernes; Thomas A. Nichols; David V. Rotole; Walter C. Wright |
| A steering system and method is described for a vehicle having steerable front and rear wheels, and a steering input device for receiving manual steering input. Front and rear hydraulic steering devices may be coupled, respectively, to the front and rear wheels. Front and rear valve assemblies may be configured, respectively, to steer the front and rear wheels. In a manual steering mode, the front valve assembly may be disabled with respect to the front steering device, and the front hydraulic steering device may steer the front wheels based upon the manual steering input. In a rear steering assist mode, a rear steering command may be determined based upon the manual steering input, and the rear wheels steered based upon the rear steering command. In an automated steering mode, the front and rear wheels may be automatically steered based upon a target path of travel for the vehicle. | ||||||
| 65 | Computer Program and Method for Controlling a Drive System of an Agricultural Vehicle | US15102052 | 2014-12-05 | US20160304116A1 | 2016-10-20 | Emmanuel Regis Magisson; Robert A. Matousek |
| A computer program and method for controlling a drive system of a harvester or other agricultural vehicle. The computer program calculates an inner motor displacement reduction of an inner motor of the drive system and a pump displacement reduction of a variable displacement pump of the drive system. By reducing the pump displacement in addition to the inner motor displacement, a speed of the harvester is maintained while turning. | ||||||
| 66 | Multi-mode steering control for a vehicle | US14455716 | 2014-08-08 | US09439341B2 | 2016-09-13 | Thomas D. Bebernes; Thomas A. Nichols; David V. Rotole; Walter C. Wright |
| A steering system and method is described for a vehicle having steerable front and rear wheels, and a steering input device for receiving manual steering input. Front and rear hydraulic steering devices may be coupled, respectively, to the front and rear wheels. Front and rear valve assemblies may be configured, respectively, to steer the front and rear wheels. In a manual steering mode, the front valve assembly may be disabled with respect to the front steering device, and the front hydraulic steering device may steer the front wheels based upon the manual steering input. In a rear steering assist mode, a rear steering command may be determined based upon the manual steering input, and the rear wheels steered based upon the rear steering command. In an automated steering mode, the front and rear wheels may be automatically steered based upon a target path of travel for the vehicle. | ||||||
| 67 | Charge pressure circuit arrangement for steering control for a vehicle | US14455734 | 2014-08-08 | US09421999B2 | 2016-08-23 | David V. Rotole; Thomas D. Bebernes; Thomas A. Nichols; Kyle R. Teach |
| A steering system is described for a vehicle having steerable wheels. A hydraulic charge pressure circuit may be configured to provide charge pressure to one or more hydraulic components of the vehicle, and a hydraulic drive pressure circuit may be configured to provide working pressure to one or more other hydraulic components of the vehicle. Hydraulic machines may rotate front wheels in order to drive the vehicle, and a front valve assembly may control steering of the front wheels by controlling the hydraulic machines. The hydraulic machines may be driven to rotate the front wheels by the working pressure from the hydraulic drive pressure circuit, and the front valve assembly may control the front hydraulic machines to steer the agricultural vehicle by controlling flow of hydraulic fluid from the hydraulic charge pressure circuit through the front valve assembly. | ||||||
| 68 | Automated re-centering of steering system | US14455746 | 2014-08-08 | US09380737B2 | 2016-07-05 | Thomas D. Bebernes; Benjamin C. Potter |
| A steering system and method are described for a vehicle having steerable wheels. A steering device may be coupled to one or more of the wheels. A parked state of the vehicle and a present orientation of the hydraulic steering device may be determined. The present orientation of the steering device may be compared with a neutral orientation of the steering device. Based upon a determined parked state of the vehicle and the comparing of the present and neutral orientations of the steering device, the steering device may be moved from the present orientation toward the neutral orientation. | ||||||
| 69 | Vehicle control systems and methods | US13934104 | 2013-07-02 | US09365236B2 | 2016-06-14 | Richard Ruebusch; Tim Obrzut; Hans Hauser; Axel Schaedler |
| Systems and methods for controlling the speed and direction of vehicles such as tractors. | ||||||
| 70 | Configuration of a two-track tractor | US14249662 | 2014-04-10 | US09359021B2 | 2016-06-07 | David C. Janzen; Ronald L. Satzler |
| An agricultural tractor includes a pair of track assemblies including rubber treads with track bars, a front wheel assembly and a controller. The track assemblies are interconnected by respective front and rear axles extending substantially perpendicular to a direction of travel. The controller automatically controls a load imposed on the front wheel assembly in order to control the load imposed at the front axle of the track assemblies to minimize rubber tread wear. | ||||||
| 71 | AUTOMATED RE-CENTERING OF STEERING SYSTEM | US14455746 | 2014-08-08 | US20160039453A1 | 2016-02-11 | Thomas D. Bebernes; Benjamin C. Potter |
| A steering system and method are described for a vehicle having steerable wheels. A steering device may be coupled to one or more of the wheels. A parked state of the vehicle and a present orientation of the hydraulic steering device may be determined. The present orientation of the steering device may be compared with a neutral orientation of the steering device. Based upon a determined parked state of the vehicle and the comparing of the present and neutral orientations of the steering device, the steering device may be moved from the present orientation toward the neutral orientation. | ||||||
| 72 | MULTI-MODE STEERING CONTROL FOR A VEHICLE | US14455716 | 2014-08-08 | US20160037707A1 | 2016-02-11 | Thomas D. Bebernes; Thomas A. Nichols; David V. Rotole; Walter C. Wright |
| A steering system and method is described for a vehicle having steerable front and rear wheels, and a steering input device for receiving manual steering input. Front and rear hydraulic steering devices may be coupled, respectively, to the front and rear wheels. Front and rear valve assemblies may be configured, respectively, to steer the front and rear wheels. In a manual steering mode, the front valve assembly may be disabled with respect to the front steering device, and the front hydraulic steering device may steer the front wheels based upon the manual steering input. In a rear steering assist mode, a rear steering command may be determined based upon the manual steering input, and the rear wheels steered based upon the rear steering command. In an automated steering mode, the front and rear wheels may be automatically steered based upon a target path of travel for the vehicle. | ||||||
| 73 | SELF-PROPELLED HARVESTING MACHINE | US14680168 | 2015-04-07 | US20150289437A1 | 2015-10-15 | Jan Philipp Behra; Markus Loeneke; Stephan Bleischwitz |
| A self-propelled harvesting machine includes a front harvesting attachment, a ground drive with first and second drive shafts offset relative to the front harvesting attachment, first and second track roller units to which first and second drive shafts are drivably connected and which extend on both sides of the harvesting machine and a rear axle having rear wheels that are steered via a steering mechanism provided in a rear region of the harvesting machine. The first and second drive shafts are driven by separate first and second hydraulic motors of a hydrostatic transmission. A displacement volume of each of the first and second hydraulic motors is changed depending on a steering movement transferred from the steering mechanism to the rear wheels, realizing an additional moment about a vertical axis of the harvesting machine simultaneously with the steering of the rear wheels. | ||||||
| 74 | Control system for a lawnmower vehicle having a plurality of electric motors | US13338464 | 2011-12-28 | US08657041B2 | 2014-02-25 | Norihiro Ishii; Kengo Sasahara; Kazunari Koga; Jun Matsuura; Tomoyuki Ebihara; Katsumoto Mizukawa |
| A control system for a lawnmower vehicle having a plurality of electric motors may include at least one controller for controlling operation of the drive wheel electric motor in response to an operation amount of at least one operator. The controller may control operation of a driver for driving a mower-related electric motor to cause the mower-related electric motor to activate or stop. | ||||||
| 75 | Systems and methods for steering and calibration of vehicle steering controls for riding mowers and other vehicles | US13657235 | 2012-10-22 | US08620527B2 | 2013-12-31 | Terence Wade Stone; Robert Gordon Lankin |
| According to one aspect, a vehicle control system. The control system includes a steering control coupled to at least one steerable wheel, the steering control having a first position, a second position and a plurality of positions therebetween. The control system also includes a steering sensor coupled to the steering control and configured to generate steering sensor signals based upon the position of the steering control. The control system also includes a control module coupled to the steering sensor, the control module configured to (i) record a first steering sensor signal value when the steering control is in the first position; (ii) record a second steering sensor signal value when the steering control is in the second position; and (iii) determine a current position of the steering control by comparing the first and second steering sensor signal values with a current steering sensor signal value. | ||||||
| 76 | Steering assist for a rear caster wheel on a work machine | US11957800 | 2007-12-17 | US08496256B2 | 2013-07-30 | Thomas Daryl Bebernes; Eric Ryan Lang; David Vincent Rotole; Timothy K. Dreger |
| A work machine includes a frame, at least one drive wheel carried by the frame, at least one caster wheel assembly carried by the frame, and at least one turn assist arrangement. Each turn assist arrangement is coupled between the frame and a corresponding caster wheel assembly. Each turn assist arrangement is configured to bias the corresponding caster wheel assembly during an operator commanded turn, and to be overridden by forces applied by the ground to the caster wheel assembly. | ||||||
| 77 | Vehicle control systems and methods | US13051711 | 2011-03-18 | US08474841B2 | 2013-07-02 | Richard Ruebusch; Tim Obrzut; Hans Hauser; Axel Schaedler |
| Systems and methods for controlling the speed and direction of vehicles such as tractors. | ||||||
| 78 | Swather Tractor with Rear Wheel Active Steering | US13554396 | 2012-07-20 | US20130075169A1 | 2013-03-28 | Philip J. Otto |
| A swather tractor has a pair of driven ground wheels at one end where a header is supported and a pair of steerable wheels at the other end for supporting the tractor. The driven ground wheels are hydraulically driven so that an operator controlled steering control is arranged to control a differential in rate of supply of hydraulic fluid to control a relative speed of rotation of the driven wheels and thus a turning direction of the tractor. The steerable wheels have a steering system that is operable in response to the steering control to positively steer the steerable wheels and there is provided an arrangement to deactivate the steering system at large turns so that the steerable wheels are free to castor. | ||||||
| 79 | Vehicle | US13394512 | 2010-09-09 | US20120253625A1 | 2012-10-04 | Francesco Canuto; Riccardo Morselli; Claudio Fonti |
| 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. | ||||||
| 80 | Vehicle steering system | US12755898 | 2010-04-07 | US08267219B2 | 2012-09-18 | Norio Yamazaki |
| In a steering system for a vehicle incorporated with a rear drive electric motor (5) for driving a pair of rear wheels (3rl, 3rr) that can function as a regenerative brake for the rear wheels, a steering torque control unit (38) reduces a steering assist torque provided by the power steering assist unit (21) when the rear drive electric motor is providing a regenerative braking. When the rear wheels are braked by a regenerative braking action without substantially applying a brake to the front wheel, the vehicle may acquire a temporal oversteer tendency. However, by increasing the effort required to steer the front wheels, such a tendency can be canceled or compensated, and the vehicle operator is enabled to control the vehicle without experiencing any unfamiliar feeling or discomfort. The effort required to steer the front wheels can be increased by decreasing the assist steering torque or providing a reactive steering torque at such a time. | ||||||
QQ群二维码
意见反馈
意见反馈