Abstract: A method and system for controlling a vehicle to improve vehicle dynamics are provided. The method includes receiving data from a plurality of sensors which monitor vehicle dynamics by monitoring at least wheel and steering movements associated with a vehicle system used in controlling vehicle dynamics by control outputs from a holistic vehicle control system. Then, estimating states of the vehicle from computations of longitudinal and latitudinal velocities, tire slip ratios, clutch torque, axle torque, brake torque, and slip angles derived from the data sensed by the sensors from the wheel and steering movements. Finally, formulating a model of vehicle dynamics by using estimations of vehicle states with a target function to provide analytical data to enable the model of vehicle dynamics to be optimized and for using the data associated with the model which has been optimized to change control outputs to improve in real-time the vehicle dynamics.

Abstract: A system and method for computationally estimating a tire normal force for use in vehicle antilock braking, adaptive cruise control, and traction and stability control by correcting measured accelerations with respect to the estimated road angles. The system and method are operative to measure an acceleration at three points on a sprung mass of the vehicle and estimate a tire normal force of a tire in response to the three acceleration measurements as an input to the vehicle controller.

Abstract: A request to create a set of security policies for an application is received at a graphical user interface. Information identifying a set of source VMs, a set of destination VMs, and a set of target VMs also are received, wherein the target VMs are executing the application and are supported by (a) node(s) in a clustered virtualization environment. A set of inbound rules identifying (a) category(ies) of source VMs permitted to initiate connections with a subset of target VMs and a set of outbound rules identifying (a) category(ies) of destination VMs to which the subset of target VMs are permitted to initiate connections are received at the graphical user interface. Upon receiving a request to apply the security policies, the policies are configured based at least in part on the inbound and outbound rules and a visual representation of the security policies is presented in the graphical user interface.

Abstract: A system and method include receiving, by a search system of a virtual computing system, a search query via a search console, converting the search query into a structured query, and retrieving search results based on the structured query. The system and method further include activating a subset of widgets that satisfy a condition based on the search results and determining a view for each activated widget. Each widget is configured to display a particular type of the search results and the view for each widget is based upon a number of the search results of the particular type that the widget is configured to display. The system and method additionally include displaying the activated widget on the search console according to the view of that widget.

Abstract: A method for providing low speed lateral steering control for a vehicle is disclosed. The method includes receiving sensor data corresponding to a road wheel angle, determining a planned vehicle path of travel, defining a road wheel angle search range based on a maximum road wheel angle rate, determining a steering control goal using the road wheel angle that tracks and measures a difference between a current vehicle path and the planned vehicle path, determining an optimal steering control signal using the road wheel angle and the steering control goal and providing the control signal to a steering controller.

Abstract: A passively Q-switched fiber laser system comprises a pump source and an ring cavity connected with each other. The ring cavity comprises a gain fiber, a directional coupler and a saturable absorber connected in order. The saturable absorber is a quantum-dot polymer composite film, which is fabricated by a simple method comprising steps of: mixing a quantum dot material of lead sulfide (PbS) with a colloidal polymer to form a mixture; and drying the mixture at two different temperatures in two stages respectively. The saturable absorber of the present invention has lower saturating intensity and a plurality of absorption bands comprising 1000 nm to 1100 nm and 1500 nm to 1600 nm. The maximum output power and the maximum pulse energy of the passively Q-switched fiber laser system can be superior to those laser systems using the quantum-dot (QD) polymer composite film as saturable absorber.

Abstract: An apparatus and method of a hardware isolated secure element protecting a plurality of mission critical subsystems are provided. The method includes performing an actuation operation received across an unsecure path that modifies the state of a mission critical subsystem, performing a diagnostic operation received across the unsecure path that requests state information of the mission critical subsystem, storing information used to determine which of the diagnostic operation and the actuation operation received across the unsecure path are performed, and flashing an execution image of an electronic control unit when the execution image of the electronic control unit is received across the unsecure path.

Abstract: An apparatus and method for operating a relational database (DB) are provided. The method includes determining a sensitivity classification for a column of a table in the DB, performing encryption, using a data encryption key (DEK), of sensitive data when writing the sensitive data to the column determined to be sensitive, performing decryption, using the DEK, of the encrypted sensitive data when reading the sensitive data from the column determined to be sensitive, and performing writing to the column and reading from the column of unencrypted non-sensitive data when the column is determined to be non-sensitive.

Abstract: A system and method include receiving, by a navigation and search system of a virtual computing system, a user input via a navigation interface of the navigation and search system. The system and method also include retrieving a page corresponding to the user input, parsing the user input and associating one or more keywords with the user input for obtaining a structured query, including associating the page with the structured query, and displaying the page in the navigation interface. The system and method further include populating the structured query into a search interface of the navigation and search system. Either the user input via the navigation interface or the structured query via the search interface are usable to navigate to the page.

Abstract: An apparatus and method of an attachment device for interfacing with an on-board diagnostic system of a vehicle is provided. The device includes an application processor configured to receive input from a terminal, control processing of the input by the on-board diagnostic system, transmit a result of the processing of the input by the on-board diagnostic system to the terminal, and a secure element interposed in the communication path between the application processor and the on-board diagnostic system, the secure element configured to filter the input of an on-board diagnostic operation that is untrusted.

Abstract: A device includes a body operatively connected to a plurality of wheels, with the plurality of wheels being positioned relative to a banked surface defining a bank angle (?). A suspension system includes at least one suspension sensor configured to provide suspension displacement data. A controller is in communication with the at least one suspension sensor and has a processor and tangible, non-transitory memory on which is recorded instructions. The controller is configured to obtain the suspension displacement data and determine a roll angle (?) based at least partially on the suspension displacement data. The bank angle (?) is determined based at least partially on the roll angle (?), a yaw rate (r), a longitudinal velocity (Vx) and a plurality of predetermined parameters. Operation of the device is controlled based partly on at least one of the roll angle (?) and the bank angle (?).

Abstract: Systems for rendering graphs in browsers. A method embodiment for generating and manipulating a high-performance graph in a browser commences by receiving a set of node descriptions of the graph as well as a set of edge descriptions of the graph. In a first display layer, one or more HTML primitives are assigned to the individual ones of the set of nodes. In a second display layer, one or more non-HTML display graphical elements are assigned to the individual ones of the set of edges. The edges and nodes are sorted into a painting order based on size. The first layer and the second layer are combined into an HTML document that comprises at least some of the HTML primitives that correspond to the nodes as well as at least some of the non-HTML display graphical elements that correspond to the edges of the graph. The browser renders the graph.

Abstract: Methods and system are provided for controlling a vehicle. The methods and systems read sensors and estimate pneumatic trail for a tire of the vehicle based on the sensor readings. The methods and systems determine presence or absence of a tire lateral saturation condition based on a comparison of the estimated pneumatic trail for the tire of the vehicle with a pneumatic trail threshold indicative of a tire lateral saturation condition. When the tire lateral saturation condition is present, the methods and systems determine a control value and use the control value as an input to a vehicle control module. The vehicle control module is responsive to the tire lateral saturation condition based on the control value.

Abstract: A device includes a plurality of tires, a suspension system operatively connected to the plurality of tires, at least one suspension sensor operatively connected to the suspension system and configured to provide suspension data (S), and a controller operatively connected to the at least one suspension sensor and having a processor for executing a method for determining respective tire normal forces (Fzi(t), i=1 . . . n) for one or more of the plurality of tires, based at least partially on the suspension data (S), the respective tire normal forces being operative to adjust operation of the wheeled device. Execution of the instructions by the processor causes the controller to determine a transformation matrix (Ts) based on a plurality of predefined parameters. The controller is configured to obtain the respective tire normal forces (Fzi(t), i==1 . . . n) via the following equation: {tilde over (F)}z=[TS+?S(p)]{tilde over (S)}+Tu?.

Abstract: Methods and systems are provided for detecting faults in a sensor and reconstructing an output signal without use of the faulty sensor. In one embodiment, a method includes: receiving, by a processor, sensor data indicating a measured value from a first sensor; receiving, by a processor, sensor data indicating measured values from a plurality of other sensors; computing, by a processor, virtual values based on a vehicle model and the sensor data from the plurality of other sensors; computing, by a processor, a residual difference between the measured value from the first sensor and the virtual values; detecting, by a processor, whether a fault exists in the first sensor based on the residual difference; and when a fault in the sensor is detected, generating, by a processor, a control value based on the virtual values instead of the measured value.

Abstract: Methods and systems are provided for an improved system and method for validating vehicle lateral velocity estimation. The provided system and method employ an efficient validation algorithm to detect lateral velocity estimation faults. The method and system are robust to road uncertainties and do not require redundant estimations or measurements. The provided system and method offer a technological solution for real time validation of lateral velocity estimation using already existing vehicle sensors, and are independent of (i) road condition information, (ii) wheel torque information, (iii) tire model information, and (iv) tire wear information.

Abstract: A method and system for controlling a vehicle to improve vehicle dynamics are provided. The method includes receiving data from a plurality of sensors which monitor vehicle dynamics by monitoring at least wheel and steering movements associated with a vehicle system used in controlling vehicle dynamics by control outputs from a holistic vehicle control system. Then, estimating states of the vehicle from computations of longitudinal and latitudinal velocities, tire slip ratios, clutch torque, axle torque, brake torque, and slip angles derived from the data sensed by the sensors from the wheel and steering movements. Finally, formulating a model of vehicle dynamics by using estimations of vehicle states with a target function to provide analytical data to enable the model of vehicle dynamics to be optimized and for using the data associated with the model which has been optimized to change control outputs to improve in real-time the vehicle dynamics.

Abstract: A device includes a plurality of tires, a suspension system operatively connected to the plurality of tires, at least one suspension sensor operatively connected to the suspension system and configured to provide suspension data (S), and a controller operatively connected to the at least one suspension sensor and having a processor for executing a method for determining respective tire normal forces (Fzi(t), i=1 . . . n) for one or more of the plurality of tires, based at least partially on the suspension data (S), the respective tire normal forces being operative to adjust operation of the wheeled device. Execution of the instructions by the processor causes the controller to determine a transformation matrix (Ts) based on a plurality of predefined parameters. The controller is configured to obtain the respective tire normal forces (Fzi(t), i==1 . . . n) via the following equation: {tilde over (F)}z=[TS+?S(p)]{tilde over (S)}+Tu?.

Abstract: A method for providing low speed lateral steering control for a vehicle is disclosed. The method includes receiving sensor data corresponding to a road wheel angle, determining a planned vehicle path of travel, defining a road wheel angle search range based on a maximum road wheel angle rate, determining a steering control goal using the road wheel angle that tracks and measures a difference between a current vehicle path and the planned vehicle path, determining an optimal steering control signal using the road wheel angle and the steering control goal and providing the control signal to a steering controller.