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Traction control system in a vehicle, vehicle including traction control system, and traction control method

Tue, 05 Jan 2016 08:00:00 EST

A traction control system in vehicle comprises a detector for detecting a monitored value which changes according to a degree of a drive wheel slip; a condition determiner for determining whether or not the monitored value meets a control start condition and whether or not the monitored value meets a control termination condition; and a controller for executing traction control to reduce a driving power of the drive wheel during a period of time from when the condition determiner determines that the monitored value meets the control start condition until the condition determiner determines that the monitored value meets the control termination condition; the condition determiner being configured to set at least the control start condition variably based on a slip determination factor which changes according to a vehicle state and such that the control start condition changes more greatly according to the vehicle state than the control termination condition.



Vehicle event recorder systems and networks having integrated cellular wireless communications systems

Tue, 01 Dec 2015 08:00:00 EST

Vehicle event recorder systems are arranged to be in constant communication with remote servers and administrators via mobile wireless cellular networks. Vehicle event recorders equipped with video cameras capture video and other data records of important events relating to vehicle use. These data are then transmitted over special communications networks having very high coverage space but limited bandwidth. A vehicle may be operated over very large region while maintaining continuous communications connections with a remote fixed server. As such, systems of these inventions may be characterized as including a mobile unit having: a video camera; a microprocessor; memory; an event trigger; and mobile wireless transceivers, and a fixed network portion including: mobile wireless cellular network, a protocol translation gateway, the Internet and an application-specific server.



Control device for hybrid vehicle

Tue, 01 Dec 2015 08:00:00 EST

A control device for a hybrid vehicle includes a portion determining whether an engine torque is necessary, a portion controlling a motor to make a motor torque be a target torque, an engine rotation speed control portion controlling an engine output shaft to rotate at a target engine rotation speed for sudden start/reacceleration while the clutch being disengaged after starting the engine and before an actual rotation speed of the engine output shaft exceeds a reference target engine rotation speed in a case where the engine torque is necessary, a control portion engaging the clutch after the actual rotation speed exceeds the reference target engine rotation speed, and a portion controlling the engine so that the engine torque is assumed to be a target torque by canceling the control by the engine rotation speed control portion after the actual rotation speed exceeds the reference target engine rotation speed.



Vehicle notification sound emitting apparatus

Tue, 10 Nov 2015 08:00:00 EST

A vehicle notification sound emitting apparatus is basically provided with a first sound emitting device, a second sound emitting device and a notification sound control device. The first sound emitting device emits a first intermittent notification sound inside a cabin interior of a vehicle. The second sound emitting device emits a second intermittent notification sound outside of the cabin interior of the vehicle. The notification sound control device operates the first and second sound emitting devices to separately emit the first and second intermittent notification sounds in at least a partially overlapping pattern in response to occurrence of a vehicle condition to convey a same type of vehicle information to both inside and outside of the cabin interior of the vehicle. The notification sound control device includes a cabin interior-exterior notification sound synchronizing section that is configured to synchronize the first and second intermittent notification sounds.



Method of monitoring an engine coolant system of a vehicle

Tue, 06 Oct 2015 08:00:00 EDT

A method of monitoring an engine coolant system includes modeling the total energy stored within an engine coolant. If an actual temperature of the engine coolant is below a minimum target temperature, the modeled total energy stored within the energy coolant is compared to a maximum stored energy limit to determine if sufficient energy exists within the engine coolant to heat the engine coolant to a temperature equal to or greater than the minimum target temperature. The engine coolant system fails the diagnostic check when the modeled total energy stored within the energy coolant is greater than the maximum stored energy limit, and the minimum target temperature has not been reached.



Vehicle control apparatus

Tue, 29 Sep 2015 08:00:00 EDT

Disclosed is a vehicle control apparatus which can prevent the deterioration of drivability. The ECU can set a control accelerator opening degree to be converted when a control permission condition is established. The control accelerator opening degree is equal to or larger than an accelerator lower limit which is larger than an idle determination value for determining an automatic stopping of an engine by an eco-run. The control accelerator opening degree thus set can prevent the drivability from being deteriorated without the automatic stopping of the engine being caused even if the accelerator opening degree is converted to reduce the torque of the engine with the establishment of the control permission condition.



Control device and control method for electric powered vehicle

Tue, 22 Sep 2015 08:00:00 EDT

In an electric powered vehicle in which vehicle driving force for reverse running is produced by a traction motor, vehicle driving force is set by a product of a base value set at least based on an accelerator opening and an amplification factor. The amplification factor is set at k1=1.0 during reverse running (V1.0 at the start of reverse running (V≧0) depending on the vehicular speed. The vehicle driving force at the start of reverse running can thereby be made larger than the vehicle driving force after the start of reverse running at the same accelerator opening.



Parking assist system and parking assist method

Tue, 01 Sep 2015 08:00:00 EDT

A parking assist system includes: an actuator that drives a back door of a vehicle; an opening degree control unit that controls an opening degree of the back door by controlling the actuator; a storage device that stores an allowable opening degree of the back door at a park position of the vehicle in association with the park position; and a position information acquisition unit that acquires position information of the vehicle. When a position of the vehicle corresponds to the park position stored in the storage device, the opening degree control unit limits the opening degree of the back door on the basis of the allowable opening degree of the back door, stored in the storage device in association with the park position.



Map-assisted sensor-based positioning of mobile devices

Tue, 25 Aug 2015 08:00:00 EDT

Various methods, apparatuses and/or articles of manufacture are provided which may be implemented to estimate a trajectory of a mobile device within an indoor environment. In some embodiments, the trajectory may be estimated without the use of any signal-based positioning information. For example, a mobile device may estimate such a trajectory based, at least in part, on one or more sensor measurements obtained at the mobile device, and further affect the estimated trajectory based, at least in part, on one or more objects identified in an electronic map of the indoor environment.



Control system and method for hybrid vehicle

Tue, 04 Aug 2015 08:00:00 EDT

The present invention relates to a control system and a method for a hybrid vehicle which may optimally control the operating point of a vehicle. A control method for a hybrid vehicle includes detecting driving requests and a state of charge (SOC) of a battery when the vehicle is driving in HEV mode, determining a motor operating point and an engine operating point when the battery is in low SOC state, and compensating the motor operating point and the engine operating point by applying a climbing degree of the vehicle and the atmospheric pressure.



Power steering device

Tue, 28 Jul 2015 08:00:00 EDT

A power steering device is mounted on a vehicle and includes a variable transmission ratio mechanism, a torque applying unit, and an applied friction torque changing unit. The torque applying unit sets an applied friction torque applied to the steering wheel and performs a control of applying the applied friction torque to the steering wheel. The applied friction torque changing unit changes the applied friction torque based on the transmission ratio of the variable transmission ratio mechanism.



Method and apparatus for mapping buildings

Tue, 21 Jul 2015 08:00:00 EDT

An apparatus and method for determining an Absolute Location of an indoor stationary object, the method comprising: receiving a distance between an indoor stationary object and one or more predetermined spots; determining a location of stationary object relative to one of the predetermined spots; receiving an Absolute Location of one of the predetermined spots; determining an Absolute Location of the stationary object; and storing the Absolute Location of the stationary object with description information of the stationary object.



Path information providing server, method of providing path information, and terminal

Tue, 21 Jul 2015 08:00:00 EDT

Provided are an apparatus and method of providing path information based on a status of a path and/or a purpose of the use of the path. A path information providing server collects environmental information from a sensing device. The path information providing server receives a path information request including a departure and a destination from a terminal device, and provides path information generated by mapping environmental data to a searched path.



Vehicle travel control device

Tue, 23 Jun 2015 08:00:00 EDT

A vehicle travel control device can accurately determine a driver's intention to adjust the vehicle speed. After applying attention attracting reaction force corresponding to outside circumstances and the like to an accelerator pedal through a reaction force application mechanism, a reaction force control unit outputs intention determining reaction force that is used to determine the driver's intention to adjust the vehicle speed and is smaller than the attention attracting reaction force, and determines the intention to adjust the vehicle speed on the basis of the accelerator pedal operation amount of the driver while the intention determining reaction force is being applied to the accelerator pedal through the reaction force application mechanism.



Vehicle control device

Tue, 16 Jun 2015 08:00:00 EDT

A vehicle control device capable of more appropriately carrying out travel control of an own vehicle carried out while acquiring travel information of a leading vehicle by an inter-vehicle communication is provided. Provided is a vehicle control device for carrying out vehicle control of acquiring inter-vehicle communication information of a leading vehicle travelling in front of an own vehicle, and controlling a travel state of the own vehicle based on the acquired inter-vehicle communication information of the leading vehicle, wherein control of the inter-vehicle communication is changed according to a parameter at the time of the vehicle control.



Battery charge/discharge control device, battery charge/discharge control method, and hybrid working machine with battery charge/discharge control device

Tue, 02 Jun 2015 08:00:00 EDT

A battery charge/discharge control device which performs battery charge/discharge control in a working machine with a battery capable of storing electric energy generated by a generator motor coupled to an engine and driving the generator motor or at least one of other electric actuators by the stored electric energy and a controller which controls a distribution of the electric energy among the battery, the generator motor, and the electric actuator, wherein the controller performs the charge/discharge control in which the electric energy of the battery is discharged when the engine is driven and recharging to the battery is permitted on a condition that a state in which an engine speed is equal to or lower than a predetermined engine speed is maintained for a predetermined time after the battery is completely discharged.



Large scale demand responsive transit framework

Tue, 26 May 2015 08:00:00 EDT

Described herein is a descriptive framework to facilitate large scale demand responsive transit. In accordance with one aspect of the framework, one or more trip requests from one or more commuter devices are received. A trip request indicates at least one start location and at least one end location. In addition, vehicle information is received from one or more available vehicles. The vehicle information indicates at least one current location of a vehicle. An adaptive route for the vehicle may be planned based on the one or more trip requests and the vehicle information. Update information of the adaptive route may be communicated to the vehicle and the one or more commuter devices.



Routing applications for navigation

Tue, 26 May 2015 08:00:00 EDT

Some embodiments provide a mapping application that provides routing information to third-party applications on a device. The mapping application receives route data that includes first and second locations. Based on the route data, the mapping application provides a set of routing applications that provide navigation information. The mapping application receives a selection of a routing application in the set of routing applications. The mapping application passes the route data to the selected routing application in order for the routing application to provide navigation information.



Method and apparatus for performing quick search of path display terminal

Tue, 26 May 2015 08:00:00 EDT

A method and apparatus for performing a quick search of a path display terminal are provided. The quick search device of a path display terminal comprises: a vehicle position display unit for displaying a position of a vehicle on a map generated based on map data; a quick search display unit for displaying a quick search area for inputting a search word in a portion of the map; a search unit for searching for a destination corresponding to the search word; and a path display unit for generating and displaying a path from the vehicle position to the destination.



Navigation system and methods for generating enhanced search results

Tue, 26 May 2015 08:00:00 EDT

A navigation system and various methods of using the system are described herein. Search query results are refined by the system and are prioritized based at least in part upon sub-search categories selected during the searching process. Sub-searches can be represented by graphical icons displayed on the user interface.



Navigation system with fuzzy routing mechanism and method of operation thereof

Tue, 26 May 2015 08:00:00 EDT

A method of operation of a navigation system includes: receiving an origin and a destination; receiving a route keyword for routing between the origin and the destination; identifying a via point matching the route keyword; calculating a keyword group locale based on the via point within a group distance threshold from a keyword group center; and calculating a travel route from the origin to the destination traversing the keyword group locale for displaying on a device.



Systems and methods for tracking location of movable target object

Tue, 26 May 2015 08:00:00 EDT

An automated process uses a local positioning system to acquire location (i.e., position and orientation) data for one or more movable target objects. In cases where the target objects have the capability to move under computer control, this automated process can use the measured location data to control the position and orientation of such target objects. The system leverages the measurement and image capture capability of the local positioning system, and integrates controllable marker lights, image processing, and coordinate transformation computation to provide tracking information for vehicle location control. The resulting system enables position and orientation tracking of objects in a reference coordinate system.



Transporting residue of vehicle position data via wireless network

Tue, 26 May 2015 08:00:00 EDT

The invention relates to compressed data transmission in wireless data communication. Disclosed are methods and apparatuses for transporting residue of vehicle position data via a wireless network. A disclosed method for transporting residue of vehicle position data via a wireless network, includes the steps of: receiving data for updating residue encoding schema from a monitoring server; constructing a residue encoding schema based on the data, thereby producing a constructed residue encoding schema; and storing the constructed residue encoding schema such that the constructed residue encoding schema will become the current residue encoding schema; where: the constructed residue encoding schema is constructed such that each residue of the constructed residue encoding schema corresponds to a code; and the constructed residue encoding schema is constructed such that a residue having a relatively high probability of occurrence corresponds to a code of relatively short length.



Trajectory planning

Tue, 26 May 2015 08:00:00 EDT

A method and apparatus for determining a trajectory for a vehicle are disclosed, wherein, the method includes: identifying a starting position (p0) and a desired terminal position (P) for the vehicle; linearly approximating dynamics of the vehicle; and using the starting position (p0), desired terminal position (P), and linear approximation, determining the trajectory for the vehicle. The linear approximation can be constrained by requirements (e.g., specifications) that: (i) an acceleration applied to the vehicle at a point on the trajectory is relatively large when the acceleration acts in a direction that is substantially perpendicular to the velocity of the vehicle; and (ii) an acceleration applied to the vehicle at a point on the trajectory is relatively small when the acceleration acts in a direction that is substantially parallel to the velocity of the vehicle. The vehicle may have a curvature limit.



Method for car navigating using traffic signal data

Tue, 26 May 2015 08:00:00 EDT

There is a provided a method for car navigating using traffic signal data. The method for car navigating is characterized of providing an optimized route for the earliest arrival to destinations by using signal system data of one or more traffic signals existing on a certain route.



Navigation guidance system

Tue, 26 May 2015 08:00:00 EDT

A navigation system may calculate a route to a destination and output guidance information with an output device to guide a user of the navigation system along the calculated route. If it is determined that a navigation device has left the calculated route, the navigation system may prompt the user asking whether output of guidance information should be suspended. If the output of guidance information should be suspended, the navigation system may suspend the output of guidance information and calculate a new route to the destination while the output of guidance information is suspended. The navigation system may calculate an estimated arrival time at the destination based on the calculated new route and output the estimated arrival time while the output of guidance information is suspended.



Navigation system and navigation method of route planning using variations of mechanical energy

Tue, 26 May 2015 08:00:00 EDT

A navigation system having a central device which uses a link shape compression unit to compress information of altitude changes of a road link obtained from a three-dimensional road map, and calculates a geometry parameter based on variation of energy of a vehicle travelling on the road link. An on-board terminal device estimates the vehicle's average travelling pattern by using a travel-pattern-estimation unit based on the geometry parameter calculated by the central device, a link-travelling time estimated from statistically-stored traffic information, and a link length. The on-board terminal device further calculates fuel consumption of the vehicle travelling on each road link based on the estimated travelling pattern and parameters of the vehicle by using a fuel-consumption calculation unit, and then, searches a fuel-efficient route by using the fuel consumption as a link cost. The on-board terminal device has a vehicle-type selector for selecting a type of the vehicle.



Predictive natural guidance

Tue, 26 May 2015 08:00:00 EDT

In one embodiment, a navigation system provides predictive natural guidance utilizing a mobile landmark based on location data. The location data may be a schedule. A controller receives data of a schedule of a mobile landmark. The location data could be collected in real time or estimated. The mobile landmark may be a vehicle or a celestial body. The controller correlates a route from an origin location to a destination location and the location of the mobile landmark. The controller generates a message based on the correlation. The message is output during presentation of the route and references the mobile landmark.



Map display device

Tue, 26 May 2015 08:00:00 EDT

A map display device includes: current location calculating unit for calculating a current location; specific region dedicated database for storing map data permitted only inside a specific region; specific region permitted database for storing data for displaying the inside of the specific region outside the specific region; outside-specific-region database for storing map data of the outside of the specific region available both inside and outside the specific region; controller for generating display data for displaying a map of the outside of the specific region using map data from the outside-specific-region database, and generating display data for displaying an image of a permitted map attribute to the inside of the specific region using the data from the permitted database, when the current location is outside the specific region; and display unit for displaying an image of the map or the permitted map attribute based on the display data.



System and method for automated updating of map information

Tue, 26 May 2015 08:00:00 EDT

Traffic information readings corresponding to a vehicle are received, the readings including at least a location. The traffic information readings are compared to information already within a map database, and are used to derive additional map information augmenting or correcting that already within the database, the additional map information subsequently being stored in the database. Additional information that is derived includes the presence of stop signs and traffic lights at intersections, the legality of turns at certain times of day, and the connectedness or non-connectedness of road segments.



Map display device and navigation device

Tue, 26 May 2015 08:00:00 EDT

According to a map display device, from current location information acquired by a current location acquiring unit 6 and boundary coordinate information in time zone information acquired by a time zone information acquiring unit 22, it is determined whether or not a vehicle 9 is located within a set area which is provided in the range of a predetermined distance from a boundary of a time zone to which a current location of the vehicle 9 belongs, and if it is determined that the vehicle 9 is located within the set area, a display unit 3 displays distinctively the time zone to which the current location of the vehicle 9 belongs and a time zone which is adjacent to the corresponding time zone through the set area.



Method for displaying suitability of future waypoint locations

Tue, 26 May 2015 08:00:00 EDT

A method for illustrating an aircraft flight plan comprising at least one waypoint on a flight display of a flight deck of an aircraft, where the method may include displaying on the flight display of the flight deck some type of display indicia that indicates the suitability of locations for future waypoints.



Navigation system acquisition and use of cellular coverage map data

Tue, 26 May 2015 08:00:00 EDT

A mobile device can obtain wireless network signal strength map data that indicates, for various nearby geographical regions, the wireless network signal strength in each such region. A mobile device can transmit that data to a vehicular navigation system responsible for automatically selecting a high-quality route of vehicular travel between a specified source and destination. The system can take the wireless network signal map data into account when selecting that route. When selecting from among multiple different routes of vehicular travel between a specified source and destination, the system may employ an algorithm that considers wireless network signal strengths along those routes, in addition to the other factors. Consequently, the system can select a longer route having better signal strength over a shorter route having worse signal strength. The system can present the selected route within a set of suggested routes, potentially along with reasons for each route's suggestion.



Range marker for a navigation system

Tue, 26 May 2015 08:00:00 EDT

Devices, methods and systems are disclosed herein to describe a range marker for a navigation system. The range marker may delineate a bounded area within a navigation map that a vehicle may travel based on the amount of fuel remaining. As the fuel continues to decrease during operation of the vehicle, the range marker may become smaller and smaller indicating a shrinking range since the fuel remaining decreases, thereby allowing the driver to easily identify which gas stations may be within a range of the vehicle (based on a current vehicle fuel level) and which gas stations might not be within the range of the vehicle.



Navigation systems and associated methods

Tue, 26 May 2015 08:00:00 EDT

Navigation systems and associated methods for providing navigation services are provided. Information associated with a desired route for a vehicle, such as a route between a current location and a desired destination, may be determined. Additionally, contextual information associated with the vehicle may be identified. Based upon the desired route and the contextual information, a direction may be generated for presentation to one or more users, and the generated direction may be output for presentation.



Apparatus for estimating travel path of a vehicle

Tue, 26 May 2015 08:00:00 EDT

An apparatus for estimating a travel path of a vehicle is mounted on the vehicle; and includes: an object detection device that detects an object lying ahead of the vehicle; a stationary object detection device that determines whether a detected object is a stationary object; a device that calculates an approximate straight line indicating a path of the stationary object from the temporal positional data for the stationary object projected on two-dimensional coordinates using a vehicle position as a starting point; a device that calculates a orthogonal line which passes through a midpoint in the temporal positional data for the stationary object and goes straight with respect to the approximate straight line on the two-dimensional coordinates; and a device that calculates a vehicle turning radius from an intersection point where the orthogonal line intersects with a x axis.



Collision avoidance system for rail line vehicles

Tue, 26 May 2015 08:00:00 EDT

A collision avoidance system (CAS) is described that includes one or more sensor technologies, including, for example, an Ultra Wideband (UWB) sensing technology. The collision avoidance system is designed to reliably track the location and speed of vehicles and the distance between vehicles over a wide variety of track and terrain. The collision avoidance system may utilize information from a variety of sensor technologies to determine whether one or more vehicles violate speed and/or separation criteria, and may generate a warning.



Object sensing (pedestrian avoidance/accident avoidance)

Tue, 26 May 2015 08:00:00 EDT

Methods and systems for a complete vehicle ecosystem are provided. Specifically, systems that when taken alone, or together, provide an individual or group of individuals with an intuitive and comfortable vehicular environment. The present disclosure builds on integrating existing technology with new devices, methods, and systems to provide a complete vehicle ecosystem.



Method for governing a speed of an autonomous vehicle

Tue, 26 May 2015 08:00:00 EDT

A method of adjusting a speed of a mobile machine is provided. Image data of a location is collected where currently generated sensor data and previously generated sensor data indicate a discontinuity in sensor data. The image data is analyzed to determine if a non-motion blur score for the image data is above a threshold value. Then, a speed of the mobile machine is adjusted based on a determination that the non-motion blur score is above the threshold value.



Dive computer incorporating stored dive site information

Tue, 26 May 2015 08:00:00 EDT

Dive computers in accordance with embodiments of the invention are disclosed that store information concerning a dive site. The stored information can be accessed during the dive to provide information concerning such things as points of interest and/or hazards. One embodiment of the invention includes a processor, memory connected to the processor, a pressure transducer connected to the processor and configured to measure depth, and a display connected to the processor. In addition, the memory contains factual information concerning a dive site, and the processor is configured to display at least a portion of the stored factual information concerning the dive site via the display.



Data mining in a digital map database to identify blind intersections along roads and enabling precautionary actions in a vehicle

Tue, 26 May 2015 08:00:00 EDT

Disclosed is a feature for a vehicle that enables taking precautionary actions in response to conditions on the road network around or ahead of the vehicle, in particular, a blind intersection along a section of road. A database that represents the road network is used to determine locations where a blind intersection is located along a section of road. Then, precautionary action data is added to the database to indicate a location at which a precautionary action is to be taken about the blind intersection located along the section of road. A precautionary action system installed in a vehicle uses this database, or a database derived therefrom, in combination with a positioning system to determine when the vehicle is at a location that corresponds to the location of a precautionary action. When the vehicle is at such a location, a precautionary action is taken by a vehicle system as the vehicle is approaching a blind intersection.



Method, apparatus and computer program for determining the location of a user in an area

Tue, 26 May 2015 08:00:00 EDT

Apparatus for orientating a user in a space wherein the space comprises a plurality of zones of which only certain zones constitute functional zones wherein each functional zone includes a first type device containing information relating to the position of the zone in the space and wherein the first type device is reactive to the presence of a second type device associated with the user to provide the user with the information to determine the orientation of the user in the space. A method of orientating the user within the space and guiding the user toward one or more features in the space is also disclosed.



Device and process for vehicle driving evaluation

Tue, 26 May 2015 08:00:00 EDT

Device (10) for vehicle driving evaluation comprising: A means (11) to obtain at least one physical parameter whereby it possible at any time to determine the value of the speed and instantaneous acceleration of a traveling vehicle;A calculation and comparison unit (12) whereby it is possible, from said physical parameter, to calculate an effective parameter that depends on said instantaneous acceleration and to compare said effective parameter with a reference parameter;A driving evaluation unit (13), whereby it is possible to generate a vehicle driving energy score by measuring the variance between said effective parameter and said reference parameter. Corresponding vehicle driving evaluation process.



Remotely controlled vehicle control system

Tue, 26 May 2015 08:00:00 EDT

A system for controlling a plurality of vehicles can include at least one communications bus and a plurality of RFID detection tags that can be fixed to the communications bus equidistant from each other to define a plurality of RFID regions. Each vehicle within an RFID region can further include an RFID reader for receiving information from, and transmitting information to, the RFID tags. As the vehicle enters the RFID region for a particular RFID tag, the position of the vehicle (within the RFID region) can be communicated to the communications bus. A traffic control unit can be connected to the communications bus, and monitor can be in communication with a plurality of remotely controlled traffic control assets, such as stop signs, yield signs, traffic cones. After receiving position information on the vehicle, the monitor can selectively activate the traffic devices remotely to control vehicle traffic flow.



Engine restart control device

Tue, 26 May 2015 08:00:00 EDT

There is provided an engine restart control device. A controller is configured to stop an engine which is adapted to generate a driving force for running a vehicle when a predetermined stop condition is met and configured to restart the engine when a predetermined restart condition is met after stopping the engine. A steering torque detector is configured to detect a steering torque of a steering wheel which is adapted to be operated by a driver. The controller includes an origin torque setting unit configured to set the steering torque detected by the steering torque detector when the predetermined stop condition is met and the engine is stopped as an origin torque. The controller restarts the engine when the steering torque detected by the steering torque detector exceeds a predetermined threshold with reference to the origin torque set by the origin torque setting unit.



Method and system for pre-ignition control

Tue, 26 May 2015 08:00:00 EDT

Methods and systems are provided for reducing late burn induced cylinder pre-ignition events. Forced entry of residuals from a late burning cylinder into a neighboring cylinder may be detected based on engine block vibrations sensed in a window during an open exhaust valve of the late burning cylinder. In response to the entry of residuals, a pre-ignition mitigating action, such as fuel enrichment or deactivation, is performed in the neighboring cylinder.



Air-fuel ratio variation abnormality detecting device and air-fuel ratio variation abnormality detecting method

Tue, 26 May 2015 08:00:00 EDT

In an engine having a plurality of cylinders in which a plurality of fuel injection valves are provided respectively, fuel is injected at a predetermined injection ratio, and an abnormality of air-fuel ratio variation is detected. If a fuel injection amount of at least one of the plurality of the fuel injection valves is smaller than a predetermined reference value, the fuel injection amount is increased so as to become equal to or larger than the reference value.



Method for operating an internal combustion engine

Tue, 26 May 2015 08:00:00 EDT

A method for operating an internal combustion engine in which a speed-based feature of the internal combustion engine, which is correlated with an indicated mean effective pressure of the fuel, is determined during the warm-up of the internal combustion engine and an ideal fuel quantity, which is to be injected into at least one combustion chamber of the internal combustion engine during the warm-up, is ascertained therefrom.



Idle stop control device

Tue, 26 May 2015 08:00:00 EDT

Disclosed is an idle stop control device capable of relieving reaction force (kickback) of a handle occurring at idle stop controlled by the control of the idle stop control device. Specifically, an EPSECU (20) detects the rotational speed of an electric motor by detecting the rotational angle (θm) of the electric motor using a resolver (22), and at the same time, detects the steering torque using a torque sensor (23). Subsequently, the EPSECU determines whether or not the rotational speed of the electric motor and the steering torque are inside an idle stop transition area (P) by referring to a table (28) stored in a memory (27) in advance. When either or both of the rotational speed of the electric motor and the steering torque are outside the idle stop transition area (P), a signal requesting the prohibition of idle stop transition is output to an idle stop control device (10) via a cable (15). Upon receiving the signal requesting the prohibition of idle stop transition, the idle stop control device (10) prohibits the control of transition to idle stop even when conditions for idle stop are met.



Methods and systems for model-based control of gas turbines

Tue, 26 May 2015 08:00:00 EDT

Embodiments of systems and methods for tuning a turbine are provided. In one embodiment, a method may include receiving at least one of a measured operating parameter or a modeled operating parameter of a turbine during operation; and tuning the turbine during operation. The turbine may be tuned during operation by applying the measured operating parameter or modeled operating parameter or parameters to at least one operational boundary model, applying the measured operating parameter or modeled operating parameter or parameters to at least one scheduling algorithm, comparing the output of the operational boundary model or models to the output of the scheduling algorithm or algorithms to determine at least one error term, and closing loop on the one error term or terms by adjusting at least one turbine control effector during operation of the turbine.