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8180536 |
Automatic transmission control apparatus and method
During control of a shift of a first friction engagement element from an engaged state into a disengaged state and a shift of a second friction engagement element from a disengaged state into an...
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8180549 |
Method for controlling a clutch
A method of controlling a clutch in a motor vehicle and a motor vehicle adapted to perform this method are suggested, in particular resulting in a good starting phase action for supercharged diesel...
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8165772 |
Transmission slip control
A method of managing slip in a transmission that is driven by a prime mover includes determining whether a slip condition of the transmission is present based on a slip value and reducing a torque...
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8150589 |
System and method for managing accumulator effects during engagement of a lockup clutch in a torque converter
A dynamic model that is configured to produce a lockup clutch command as a function of a plurality of torque converter operating parameters is continually solved and the lockup clutch command is...
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8131441 |
System and method for controlling torque based on driver status
In at least one embodiment, a device for controlling an amount of torque generated by a powertrain in a vehicle is provided. The controller is configured to receive a driver status signal...
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8121765 |
System constraints method of controlling operation of an electro-mechanical transmission with two external input torque ranges
A method to control an electro-mechanical transmission mechanically-operatively coupled to an internal combustion engine and first and second electric machines to transmit power to an output member...
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8116951 |
Transmission with substantially identical gear sets for torque load sharing
A transmission has an input member and an output member, first and second intermediate shafts having substantially identical gear sets with gears concentric with and selectively connectable for...
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8099220 |
Method for adapting shift schedule of an automatic transmission based on GPS/map information
A powertrain control includes monitoring map preview information, determining a road gradient factor based upon the map preview information, and adapting a transmission shift schedule based upon...
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8078338 |
System and method for behavior based control of an autonomous vehicle
System and method for behavior based control of an autonomous vehicle. Actuators (e.g., linkages) manipulate input devices (e.g., articulation controls and drive controls, such as a throttle lever,...
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8073602 |
System constraints method of controlling operation of an electro-mechanical transmission with an additional constraint range
A method for controlling an electro-mechanical transmission mechanically coupled to first and second electric machines to transmit power to an output member includes determining motor torque...
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8058834 |
Control device for automatic transmission
A control device for an automatic transmission includes a current detecting unit for detecting motor current. The current detecting unit has a counter for counting variation number of a rotational...
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7987035 |
Method of operating a vehicle and apparatus comprising the same
An engine management system and a method of operating the same within a vehicle. The system uses a plurality of software modules one of which communicates with the vehicle engine to communicate...
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7973500 |
Control apparatus for motor
A normal revolution number calculation unit calculates a normal revolution number of a driving motor generator in every control period, based on a signal from a rotational position sensor. A moving...
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7966116 |
Method for controlling a dual clutch transmission during shift
A method for controlling dual clutch transmission with at least two partial drive trains, each arranged to be coupled with an engine by means of a clutch, in that, a first clutch of an actively...
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7957881 |
Vehicle and method of controlling driving force for the vehicle based on detected slip of the drive wheel
The occurrence or non-occurrence of a certain slip of a drive wheel is detected based on only a motor torque used for driving a vehicle, a brake torque, and a rotation speed of a motor computed...
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7957873 |
Vehicle transmission shift inhibit method and apparatus
A control method is provided including detecting transmission output speed and a forward and reverse shift request, and executing inhibit limits when the detected speed exceeds a predetermined...
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7953534 |
Vehicle integrated-control apparatus and vehicle integrated-control method
The invention relates to a vehicle integrated-control apparatus and method that sets a final control target by coordinating a control target primarily set based on an input of a driver with...
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7937201 |
Method for producing a control instruction adaptable to a brake situation for a transmission device of a motor vehicle power train and corresponding device
A device delivers a torque setpoint signal applicable to the vehicle wheels of a motor vehicle including an automatic transmission. The torque setpoint signal has static and dynamic components that...
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7917275 |
System and method for improved vehicle response during vehicle acceleration conditions
A vehicle control method for a vehicle having an internal combustion engine coupled to a torque converter is described. In one embodiment, the engine air flow and spark are adjusted to control...
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7894969 |
Control apparatus for vehicle and method of controlling vehicle
A control apparatus includes a torque-boost control portion that boosts torque output from the engine, and corrects the operation amount of an adjustment mechanism that adjusts the amount of air...
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7877185 |
Method for producing a control setpoint adapted to a slope and/or load situation for a motor vehicle engine-transmission unit transmission device and corresponding device
A device for controlling an automated transmission of a motor vehicle engine-transmission unit adapted to deliver a torque setpoint signal to be applied to wheels of the motor vehicle including two...
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7853386 |
Control architecture and method for two-dimensional optimization of input speed and input torque in mode for a hybrid powertrain system
There is provided a control system for a powertrain system including an electro-mechanical transmission that is selectively operative in a plurality of fixed gear modes and continuously variable...
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7822524 |
Vehicular drive system
Vehicular drive system which is small-sized and/or improved in its fuel economy. A power distributing mechanism 16, which is provided with a differential-state switching device in the form of a...
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7813858 |
Method and device for controlling the slip of a vehicle clutch
A method for controlling the slip of a vehicle clutch, wherein in the method the difference between a speed signal of the drive-end input shaft of the clutch and a filtered speed signal of a...
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7806790 |
Slippage detection system and method for continuously variable transmissions
A slippage detection system for a continuously variable transmission capable of continuously changing a ratio between a speed of rotation of an input member and a speed of rotation of an output...
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7809485 |
Shift control apparatus and method of continuously variable transmission
A shift control apparatus of a CVT installed in a non-ABS equipped vehicle is arranged to estimate a condition of a transmission ratio of the CVT, to prohibit a shift operation of varying the...
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7801657 |
Stability-enhanced traction and yaw control using electronically controlled limited-slip differential
A control system for a vehicle having first and second wheels is provided that includes a differential apparatus adapted to distribute torque between the first and second wheels and a traction...
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7769520 |
Tractive force map
A method of controlling tractive force of a vehicle comprising determining a tractive force request of a driver of the vehicle, determining an actual tractive force of the vehicle, and modifying...
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7765050 |
Traction control system and method for a vehicle
In one example, a traction control system for a vehicle is shown. The system adjusts a relationship between powertrain output and pedal actuation in response to at least one of road grade and...
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7747371 |
Motor-driven vehicle with transmission
A motor-driven vehicle includes at least an engine, control devices arranged to control a transmission driven by the engine, a first sensor that is arranged to communicate with the control devices,...
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7739013 |
Vehicular electronic control apparatus and method for controlling vehicle
A vehicular electronic control apparatus includes a vehicle control section and a unit control section. The vehicle control section controls a function dependent on a vehicle equipment. The unit...
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7702444 |
Process for operating a vehicle power train during an activated engine start/stop function
A process for operating a power train of a vehicle, during an activated internal combustion engine (2) start/stop function. The power train includes the engine (2), which is started with torque...
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7698041 |
Method for operating a drive unit
A drive unit includes an engine and a transmission having a variable transmission ratio. An instantaneous setpoint power output quantity of the drive unit is determined from an intended power...
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7680576 |
Driving force distribution control device for vehicle
To maintain operating safety by driving force distribution control system when an abnormal state arises and to smoothly transition from a normal state to an abnormal state without sudden changes in...
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7676315 |
Vehicle response during vehicle acceleration conditions
A vehicle control method for transitioning through transmission lash regions is described using a variety of information, such as, for example, gear ratio, clutch slippage, etc. Further, different...
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7672770 |
Deceleration control apparatus for a vehicle
A deceleration control apparatus to achieve the intended level of deceleration performance regardless of whether braking performance is changed by towing an object such as a trailer, and to reduce...
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7584040 |
Method of CVT control in a vehicle for adapting its noise characteristics with permanent and transient modes
The following steps are performed in the control method: determining a mode of operation from amongst a permanent mode and a transient mode, as a function of a set of variables comprising said...
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7580784 |
Method for estimating the longitudinal inclination of a roadway
A method and device for determining a longitudinal inclination variable representing the longitudinal inclination of a roadway, using a sensor “means” present in a motor vehicle, in which a fir...
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7499787 |
Traction control system and method for a vehicle
In one example, A method for controlling a powertrain of a vehicle with wheels, the vehicle having a pedal actuated by a driver, is described. The method may include generating powertrain torque...
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7415872 |
Method and code for determining characteristic of road surface beneath moving vehicle
In a method for characterizing a road surface beneath a moving vehicle whose powertrain includes a torque converter coupling the engine to a driven wheel, a set of successive values for the torque...
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7392126 |
Line pressure control system and method of an automatic transmission
A dynamic characteristic of a hydraulic pressure is significantly enhanced since a line pressure control system. A method employed by the system includes determining whether a vehicle is in a...
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7386382 |
Steering compensated speed override for vehicle drive system
A method of controlling a vehicle drive system is provided for a vehicle having an internal combustion engine, free-wheeling steerable front wheels, driven rear wheels, an infinitely variable...
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7377349 |
Slip control device for vehicle, vehicle mounted with the device, and the method of controlling vehicle slip
Under the condition of a large variation Tm in motor torque demand Tm*, the significant torque change may lead to some vibration of a vehicle to temporarily heighten an angular acceleration. The...
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7369931 |
Gear shift prevention
A method for temporarily preventing automatic gear shifting in a vehicle, comprising the steps of: preventing gear shifting as long as a traction control system indicates that at least one driven...
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7315774 |
Jerk management using multivariable active driveline damping
A multivariable feedback control approach to actively dampen magnitude of jerks in a powertrain system using multiple torque-control devices is offered. To manage jerks, a desired axle torque is...
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7302333 |
Method and arrangement for automated control of a vehicular drive train
Method and arrangement for automated control of a drive train (10) of a land vehicle to be executed when ground conditions exist that impede the initiation or continuation of travel of the vehicle...
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7286922 |
Method of and apparatus for transmitting torque in vehicular power trains
The magnitude of torque which can be transmitted by a bypass clutch between the housing and the turbine of a torque converter between a prime mover, such as an engine, and an automatic transmission...
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7266437 |
Temperature dependent trigger control for a traction control system
A method a operating a traction control system using a traction controller (30) for an automotive vehicle (10) is provided. A slip target is first determined. Then, an operating temperature turning...
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7263424 |
Apparatus and method for controlling driving force supplied to wheels on opposite sides of vehicle
An apparatus for controlling driving forces supplied to left and right wheels of a vehicle, for effectively inhibiting oversteer and understeer states, includes driving force adjusting device for...
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7236871 |
Acceleration limiting for a vehicle
A method and apparatus to control acceleration of a vehicle equipped with an electrically variable transmission and including a regenerative braking system, each are operably connected to a vehicle...
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