Abstract: Embodiments of the present disclosure provide a method, an apparatus, a device, and a medium for determining an angle of yaw, relating to a field of automatic driving. The method includes: obtaining, during a vehicle being driving straightly on a straight road, data of each obstacle in an environment located by the vehicle, the data of each obstacle being detected by a millimeter wave radar sensor located in the vehicle, at least one metal obstacle being provided on the straight road; recognizing the metal obstacle based on the data of each obstacle, and obtaining a metal obstacle line by fitting positions of the metal obstacle at different time points; and determining an angle between the metal obstacle line and a direction of a vehicle body as an angle of yaw between the millimeter wave radar sensor and the vehicle body.

Abstract: Devices and methods are provided where switches associated with a magnetic field sensor are used to provide error information. In particular, a device is provided that includes a magnetic field sensor, a plurality of switches associated with the magnetic field sensor, and a control circuit configured to control the plurality of switches and to provide at least one signal indicative of a fault based on operation of the switches.

Abstract: The invention relates to an apparatus for compensating diagonal pull in cranes having at least one boom, having a boom drive for adjusting an angle and/or a length of the boom and/or for traveling a trolley, and having a control/regulation apparatus for controlling/regulating the boom drive. The invention is further directed to a crane having a corresponding apparatus.

Abstract: A radar device for detecting a distance between vehicles by the transmission and reception of survey waves is mounted in a vehicle as an object detection means for detecting an object. A cruise control apparatus includes a trajectory calculation means for calculating a moving locus of a preceding vehicle traveling in front of an own vehicle on the basis of the detection result of the radar device, a route prediction means for calculating a predicted route of the vehicle on the basis of the moving locus of the preceding vehicle calculated by the trajectory calculation means, an axial deviation detection means for detecting the axial deviation of the radar device, and an invalidation processing means for invalidating the predicted route calculated by the route prediction means when it is detected that the axial deviation detection means has detected axial deviation of the radar device.

Abstract: Method and apparatus are disclosed for status tests of wireless communication nodes of vehicles. An example vehicle includes communication nodes including a first node and a second node. The first node is to send a first of test signals to and receive a second of the test signals from the second node. The example vehicle also includes a controller to determine signal strengths of the test signals and at least partially disable passive entry passive start responsive to determining one or more of the communication nodes is impaired based upon the signal strengths.

Abstract: A diagnostic method for a particulate filter in an exhaust line of an internal combustion engine is presented. The exhaust gas stream downstream of the particulate filter is monitored by a downstream soot sensor having a characteristic sensor cycle; and the accumulation of soot at an upstream soot sensor is monitored over a respective sensor cycle of the downstream soot sensor. The particulate filter operating status is decided on the basis of the information of the downstream and upstream soot sensors. The amount of accumulated soot is determined based on the sensor cycles of the upstream soot sensor, and may be expressed as a soot loading level or as a number of sensor cycles. The efficiency of the particulate filter may be determined from the respective number of sensor cycles of the soot sensors.

Abstract: A method of determining vehicle acceleration information includes obtaining a plurality of movement measurements from a mobile device in a vehicle, and determining a plurality of gravity vectors, each of the plurality of gravity vectors associated with at least two of the plurality of movement measurements. The method further includes removing a movement measurement from the plurality of movement measurements using the plurality of gravity vectors to provide a set of remaining movement measurements. An acceleration measurement for the vehicle is determined using the remaining movement measurements.

Abstract: A system and method for controlling an internal combustion engine and electrical inverter system for powering a load, including controlling the operation of a spark-ignited internal combustion engine prime mover used in generation of electrical power by way of a generator. A microprocessor (e.g., DSP) controlled circuit taking engine speed input from an engine speed signal is used to control the operation of the internal combustion engine prime mover so that it is preferably operated substantially at wide open throttle.

Abstract: A camera calibration system of a vehicle includes a camera disposed at a vehicle and having a field of view exterior of the vehicle. The camera is operable to capture image data. An image processor operable to process image data captured by the camera. The camera calibration system is operable to generate camera calibration parameters utilizing a bundle adjustment algorithm. Responsive to image processing of captured image data during movement of the vehicle along an arbitrary path, and responsive to the bundle adjustment algorithm, the camera calibration system is operable to calibrate the camera. The bundle adjustment algorithm may iteratively refine calibration parameters starting from a known initial estimation.

Abstract: A method of controlling creep torque in a motor driven vehicle is disclosed herein. In this method, a downhill gradient of a road is calculated. A filter time constant is calculated using the downhill gradient, a predetermined basic creep torque, a set speed and a compensation coefficient of the predetermined basic creep torque corresponding to the set speed. At a variable control step, the calculated filter time constant is applied to a filter, the predetermined basic creep torque is input to the filter, and a motor is controlled based on a torque value output from the filter as a request torque.

Abstract: A transmission control system and method for controlling the level of creep torque supplied by a powertrain. The transmission control system having a controller configured to receive output signals from any one of a driver interface device sensor, a grade sensor, and a brake pedal sensor. Based on the output signals, the level of necessary creep torque and be determined and supplied, reducing unnecessary fuel consumption.

Abstract: In one aspect, a digital engine control system for an aircraft engine is provided. The control system includes a selection unit, the selection unit including a monitoring module configured to determine a measurement of the speed of rotation of the engine from the output signal from one or more protection sensors and to compare the or each speed measurement determined by the selection unit with speed measurements supplied by electronic control units to determine an operating state of each electronic control unit.

Abstract: A fault diagnostic system of a vehicle includes an error module, a proportional integral (PI) module, and a fault module. The error module determines an error based on a difference between a sample of a signal generated by an exhaust gas oxygen sensor and a target value of the sample. The PI module determines a proportional correction based on the error, determines an integral correction based on the error, and determines a fueling correction based on the proportional and integral corrections. The fault module selectively diagnoses a fault based on the integral correction and the fueling correction.

Abstract: A passive entry passive start (PEPS) vehicle security system configured to activate a vehicle function when an activation signal is received. The system includes a nomadic device configured to detect a change of a magnetic field relative to the nomadic device, and emit an activation signal only if the change corresponds to walking by an operator carrying the nomadic device.

Abstract: The present invention provides a technique for controlling creep torque to prevent a vehicle from rolling backward on an upward slope. In particular, a gradient of a road is calculated in real time from a detection value of a sensor and vehicle acceleration. A maximum creep torque for preventing roll-back caused by gravity according to the gradient is calculated using the gradient and vehicle information. A first creep torque reference is calculated based on the maximum creep torque and the vehicle speed. A second creep torque reference is calculated based on the maximum creep torque and the vehicle acceleration. A torque command value according to an operation state of a brake is calculated based on the first creep torque reference value and the second creep torque reference value and the gradient. In response, a torque output of a driving motor is controlled according to the calculated torque command value.

Abstract: An emission deterioration notifying device includes a low fuel pressure determining unit, an emission deterioration notifying unit, and an electric control unit. The determining unit determines whether supply pressure of fuel supplied to an injector is in a low fuel pressure state, in which the supply pressure is lower than a predetermined threshold value. The notifying unit notifies that exhaust emission is deteriorating beyond its allowable range when it is determined that the supply pressure is in the low fuel pressure state. The control unit allows notification by the notifying unit at a time of injection control at which injection of fuel from the injector is allowed, and the control unit prohibits notification by the notifying unit or reduces the threshold value at a time of injection stop control at which injection of fuel from the injector is stopped.

Abstract: Vehicle operations data is received from a plurality of data capturing devices installed at a plurality of transport vehicles. The vehicle operations data is representative of sensor output captured by the data capturing devices. Data sets are processed to obtain different vehicle safety metrics defined by the different types of sensors. An indication of non-conformance can be output when a compared vehicle safety metric does not conform to a threshold. Vehicle safety metrics can be combined into a combined representation of a categorical aspect of vehicle safety, which can be dynamically updated whenever a metric is added or removed. Combined representations can be filtered or grouped according to a reporting criterion to generate reports for drivers, units, company divisions, and the like. Vehicle operations data can be converted from multiple different formats used by different data sources to a common format used for processing metrics and combined representations.

Abstract: A method for assisting in maintenance of a motor vehicle having a drive motor, an drive energy storage device, and a filling level measuring device. A request for a maintenance process is identified by a self-monitoring device with the maintenance request being transmitted as a maintenance indication to a driver by an information device. The maintenance indication is transmitted to the driver as a function of a switch-off filling level present when the vehicle drive motor is switched off and detected by the filling level measuring device. The maintenance indication is transmitted when the switch-off filling level is lower than a preset filling level threshold value or when a filling level difference between a switch-on filling level, present when the vehicle drive motor is subsequently switched on again and detected by the filling level measuring device, and the preceding switch-off filling level indicates a positive filling level value.

Abstract: Methods and systems for detecting a refueling event for diagnostics are disclosed. In one example approach a method comprises discontinuing leak diagnostics in response to a temperature change in a fuel vapor canister coupled to a fuel tank in an emission control system while the leak diagnostics are being performed in the emission control system.

Abstract: A system for detecting and diagnosing a faultive state of an airplane engine, including: at least one vibration sensor attached to an airplane; a reference model database construction unit; and a fault detection and diagnosis unit which estimates a parameter of a model, obtains a test variable and a numerator coefficient value difference of a transfer function between the models, and the covariance of parameter estimation error, and diagnoses the faultive state and the faultive cause of the airplane engine. Accordingly, the present invention can determine the faultive state and the detective cause of the airplane engine using the vibration data of the airplane engine.

Abstract: A vehicle system and method that can determine object sensor misalignment while a host vehicle is being driven, and can do so without requiring multiple sensors with overlapping fields-of-view. In an exemplary embodiment where the host vehicle is traveling in generally a straight line, the present method uses an object sensor to track the path of a stationary object as it moves through the sensor's field-of-view and compares the sensed object path to an expected object pat*h. If the sensed and expected paths of the stationary object deviate by more than some amount, then the method determines that the object sensor is skewed or otherwise misaligned.

Abstract: According to one embodiment, there is provided a vehicle controller including: a sudden change judgment section that judges whether a change rate of a detected yaw rate is equal to or more than a predetermined value; a normative yaw rate calculator that calculates a normative yaw rate based on a steering angle amount; and a correction section that performs a correction for making a detected lateral acceleration close to a value to be detected at a gravity center of a vehicle, by using: the detected yaw rate when the sudden change judgment section judges that the change rate of the detected yaw rate is less than the predetermined value; and the normative yaw rate instead of the detected yaw rate when the sudden change judgment section judges that the change rate of the detected yaw rate is equal to or more than the predetermined value.

Abstract: Embodiments provide systems and methods for using a feedback correction factor to determine whether a motor vehicle should be placed in a judging or non-judging mode regarding the on-board diagnostic system. If the feedback correction factor is within a predetermined range, the vehicle is placed in a judging mode. If the feedback correction factor is outside a predetermined range, the vehicle is placed in a non-judging mode. Methods and systems for using an engine oil temperature to determine whether a motor vehicle should be placed in a judging or non-judging mode regarding the on-board diagnostic system are disclosed. If an engine oil temperature, or predicted engine oil temperature, is below a predetermined temperature, the motor vehicle is placed in a non-judging mode. If an engine oil temperature, or predicted engine oil temperature, is above a predetermined temperature, the motor vehicle is placed in a judging mode.

Abstract: In a method for monitoring the dynamics of gas sensors of an internal combustion engine, which gas sensors exhibit a low-pass behavior as a function of geometry, measurement principle, aging, or contamination, a dynamics diagnosis is carried out, upon a change in the gas state variable to be measured, on the basis of a comparison between a modeled and a measured signal. The parameters of the low-pass behavior are determined in direction-dependent fashion by minimizing direction-dependent error signals created by high-pass filtering and logical combination with direction-dependent saturation characteristic curves, the direction-dependent error signals being calculated by comparing the modeled and the measured signal for a rising and a falling signal component.

Abstract: Methods and systems for producing data describing states of a plurality of targets using a processor in a system having at least one onboard sensor. The method includes obtaining data from at least one onboard sensor and performing a first data fusion process on the obtained onboard sensor data to produce onboard sensor fused data. Data is also obtained from at least one off-board sensor, and a second, different data fusion process is performed on the obtained off-board sensor data and the onboard sensor fused data to produce target state data.

Abstract: A dynamic load estimation system is provided including: a vehicle load bearing tire; at least one tire sensor mounted to the tire, the sensor operable to measure a tire deformation of the one tire and generate a raw load-indicating signal conveying measured deformation data; road roughness estimation means for determining a road roughness estimation; filtering means for filtering the measured deformation data by the road roughness estimation; and load estimation means for estimating an estimated load on the one tire from filtered measured deformation data. A road profile estimate is fused with the static load estimate in order to obtain an instantaneous tire load estimate.

Abstract: A method calibrates an inertial-sensor device installed in an arbitrary position on board a vehicle and adapted to detect at least one entity indicative of vehicle dynamics along at least one direction of a local reference-coordinate system. The method includes steps of: acquiring by the inertial-sensor device at predetermined measuring times real-measured data indicative of the vehicle dynamics in the local reference-coordinate system; acquiring by a calibrating detector different from the inertial-sensor device, at sampling times coinciding with the measuring times, reference-measured data indicative of the vehicle dynamics in a vehicle-coordinate system; and generating a coordinate-transformation matrix adapted to correlate the entity measured in the local reference-coordinate system with a corresponding entity in the vehicle-coordinate system. Also, a sensor system of dynamics of the vehicle is able to be installed on board in an arbitrary position.

Abstract: A diagnostic method and system is described for diagnosing an operating condition of a conductive particulate matter sensor. The sensor has a substrate with electrical resistance that varies with temperature and two electrodes on the substrate adapted to collect particulate matter between the electrodes, thereby establishing an electrically conductive path through collected particulate matter between the electrodes that can be detected by measuring electrical resistance between the electrodes, Relect. The diagnosis is performed by heating the substrate in the area between the electrodes and using the resistance between the electrodes to determine detecting whether contamination is present on the surface of the sensor. Heat may be maintained on the sensor to attempt to burn off a detected contaminant, and a subsequent resistance reading may be used to determine if the contaminant was successfully burned off.

Abstract: A starting system for an internal combustion engine includes a starter motor and a battery. A method for evaluating the starting system includes detecting a fault associated with the starter motor when a minimum starting system voltage during a cranking event is greater than a threshold minimum starting system voltage determined in relation to an engine acceleration parameter, and detecting a fault associated with the battery when the engine acceleration parameter is less than a minimum threshold for the engine acceleration parameter.

Abstract: A method and apparatus diagnoses a correct operation of a phase or star point isolation relay in an electric power steering system of the kind including a motor drive circuit and at least one phase isolation relay which connects a part of the drive circuit to a phase of the motor. The relay is opened during shutdown to isolate the motor phase from the part of the drive circuit and is normally closed during operation of the motor to connect the phase to the part of the drive circuit.

Abstract: A method for operating a vehicle having a fuel system that may include unwanted water is described. The method includes, adjusting an operating parameter in response to a relative amount of high and low readings from a water-in-fuel sensor coupled in the fuel system.

Abstract: A method for wear control of vehicle tires, includes: detecting deformation of an inner surface of a first tire by means of a first sensor; determining a first level of wear of the first tire; detecting a deformation of an inner surface of a second tire by means of a second sensor; determining a second level of wear of the second tire; comparing the first and second levels of wear with each other; and generating a notification signal representative of the comparison. Also disclosed is a system for wear control of vehicle tires, a method of determining the wear of a tire and a system for determining the wear of a tire.

Abstract: A work machine with a boom that can be derricked, includes: a first derricking angle detector that detects a derricking angle of the boom at a base end of the boom; a second derricking angle detector that detects a derricking angle of the boom at a front end of the boom; a first flexible volume acquisition part that acquires a flexible volume of the boom based on a detected angle by the first derricking angle detector and a detected angle by the second derricking angle detector; a second flexible volume acquisition part that acquires a flexible volume of the boom based on the detected angle by the first derricking angle detector; and a switching part that switches between acquisition of the flexible volume of the boom by the first flexible volume acquisition part and acquisition of the flexible volume of the boom by the second flexible volume acquisition part.

Abstract: Disclosed herein is a system and method of acquiring the bias of a yaw rate sensor for a vehicle. The method includes matching, by a processor, map information based on global positioning system (GPS) information and vehicle speed information and determining a curvature of a road. The method further includes calculating, by the processor, a map based yaw degree based on the curvature of the road using steering angle information and the vehicle speed information. Additionally, the method includes acquiring, by the processor, the bias of the yaw rate sensor by comparing a measured value of the yaw rate sensor with the map based yaw degree.

Abstract: A method and a system that diagnose failure of an oil pressure sensor that senses or detects an operating oil pressure in a target device (e.g., a hydraulic clutch) using oil pressure. The method includes a controller that is configured to store an ignition off time that an ignition is turned off and detect an ignition on time that the ignition is turned on after the ignition has been turned off. In addition, the controller is configured to calculate an elapsed time from the ignition off time to the ignition on time and determine whether the elapsed time is equal to or greater than a predetermined time. When the elapsed time is equal to or greater than the predetermined time the controller is configured to diagnose oil pressure sensor failure and when the elapsed time is less than the predetermined time, stop diagnosing failure of the oil pressure sensor.

Abstract: A controller for indicating whether a previously-detected, acceleration-sensor malfunction no longer exists. The controller includes an electronic memory and an electronic processing unit connected to the electronic memory. The electronic processing module includes a malfunction monitoring module, a failure handling module, and a signal checking module. The signal checking module performs a signal check after the malfunction monitoring module generates the fault signal. The signal check includes executing a signal check function with a longitudinal acceleration signal. Also disclosed is a vehicle including the controller, and a method executed by the controller.

Abstract: A system for performing diagnostic checks on a data message transmitted from a sensor and received by a receiver includes a receiver clock tick counter, a prescaler counter, a calibration pulse detector, a nibble counter, and a calculator. The system receives first and second data messages transmitted from the sensor. Pulse widths of first and second calibration pulses of the first and second data messages, respectively, and lengths of the first and second data messages are measured using the receiver clock tick, prescaler, and nibble counters based on a compensated receiver clock signal. Thereafter, the pulse widths of the first and second calibration pulses and the lengths of the first and second data messages are compared using the calculator to perform the diagnostic checks.

Abstract: A system, apparatus and method provide a means for testing operation of a vehicle brake system. More particularly, a brake controller for controlling operation of the brake system includes a signal generator that can generate data indicative of wheel speed. Based on a user command, the controller uses either actual wheel speed data or simulated wheel speed data as inputs for controlling brake operation. The controller also includes logic for exercising various braking functions so as to enable maintenance personal to determine operational systems of the brake system.

Abstract: A diagnostic apparatus for diagnosing a drive motor of a vehicle includes a start-up abnormality detection section to detect coil temperature, coil resistance or insulation resistance of a motor coil during a non-traveling time in which electric power supply is applied and to determine occurrence of abnormality in the motor coil when the coil temperature is greater than a threshold value or the coil resistance or insulation resistance is greater than a threshold value, and a travel abnormality detection section to detect coil temperature, rotation number of the motor, a motor applied voltage and a motor current during traveling of the vehicle and to determine occurrence of abnormality in the motor coil when the coil temperature is greater than a threshold value or the relation between the motor applied voltage and the motor current relative to the rotation number fails to fall within a predetermined range.

Abstract: Temperature compensation for ultrasonic sensors can have a significant error that is highly undesirable because temperature of ultrasonic sensors and the temperature of the medium through which they sense objects affect signal strength calibrations (e.g., echo thresholds) applied when detecting an object. In order to increase the detection capabilities and reported distance of an object, ultrasonic sensors need to adjust their detection criteria and distance calculations as the temperature of air surrounding a vehicle (i.e., outside air temperature) changes and also as the temperature of the sensor changes. Embodiments of the inventive subject matter provide for a simple, effective and consistent approach for determining a temperature upon which such detection criteria and distance calculation adjustments can be based.

Abstract: A method and control module for determining a sensor error includes a time-based diagnostic module generating a time-based diagnostic for a sensor and an event-based diagnostic module generating an event-based diagnostic for the sensor. A synchronizing module synchronizes the time-based diagnostic and the event-based diagnostic to obtain a diagnostic result. A fault indicator module generates a fault signal in response to the diagnostic result.

Abstract: A control system for a construction machine includes at least one sensor and at least one controller, wherein a serial connection exists between the sensor and the controller, and wherein at least one sensor and/or controller are of the two-channel or multi-channel type. Furthermore, this invention relates to a method for operating such control system for a construction machine.

Abstract: A method of detecting filling of a hydraulic cylinder and incipient full engagement of a hydraulically operated clutch of a vehicular transmission utilizes a pressure sensor disposed in a hydraulic line to the clutch cylinder which provides a signal that the hydraulic pressure has dropped as the clutch cylinder begins to fill and also that the pressure has returned to a substantially normal level. The pressure sensor may be a continuously variable output device such as an analog sensor, pulse width modulation (PWM) sensor, a similar device or, less desirably, a two state sensor. An iterative algorithm utilizes data from the sensor and a timer to determine when clutch fill is complete.

Abstract: A method for operating a longitudinal driver assist system of an automobile, in particular an ACC system, wherein environmental data of the automobile are evaluated with respect to travel in a longitudinal convoy with at least three automobiles which include the automobile and at least two additional automobiles, which are driving immediately behind one another and each have an active longitudinal driver assist system. A convoy value is formed, and at least one operating parameter of the driver assist system is adapted depending on the convoy value.

Abstract: A system for measuring fatigue of a component of an aircraft subject to mechanical stresses includes: a plurality of stress sensors mounted on the component, each sensor being configured to detect a predetermined mechanical stress threshold and to deliver a data signal representative of exceeding of the threshold; and a mechanism for recording the data and the sensors configured to detect different stress thresholds so as to make it possible to calculate, on the basis of the data recorded by the system, an estimation of fatigue of the component due to the mechanical stresses. It is thus possible to optimize overhaul of the components.

Abstract: A fail-to-neutral diagnostic technique for a transmission that includes a variator may include monitoring a state of a pressure differential valve fluidly coupled to a high side pressure applied to at least one actuator coupled to at least one corresponding roller of the variator and also fluidly coupled to a low side pressure applied to the at least one actuator, determining from the state of the pressure differential valve a variator torque sign corresponding to whether torque transferred by the at least one roller is positive or negative, determining an expected variator torque sign based on current operating conditions of the transmission, and commanding the transmission to a true neutral condition if the determined variator torque sign is different from the expected variator torque sign.

Abstract: A system for filtering and interpreting real-time sensory data from an electrical system is disclosed. The system includes a data acquisition component, a power analytics server and a client terminal. The data acquisition component acquires real-time data output from the electrical system. The power analytics server is comprised of a virtual system modeling engine, an analytics engine, and a decision engine. The virtual system modeling engine generates predicted data output for the electrical system. The analytics engine monitors real-time data output and predicted data output of the electrical system. The decision engine compares the real-time data output against the predicted data output to filter out and interpret indicia of electrical system health and performance. The client terminal is communicatively connected to the power analytics server and configured to display the filtered and interpreted indicia.

Abstract: A method and a device are described for scanning the surrounding environment of a vehicle. When the vehicle falls below a first boundary speed a timer is triggered whose state is incremented until the vehicle exceeds a boundary speed, a check of the unobstructed view of the scanning device being carried out upon expiration of the time period recorded by the state of the timer and in which the state of the counter is incremented.

Abstract: In view of the matter that an abnormality occurred in an operating portion of a control system comes out in an early stage as a result of the control, while it takes a time for an abnormality occurred in the generation of a controlling amount for controlling the operation of an operating portion to come out, in ceasing the control when an abnormality has occurred in the control system the controlling amount is decreased at a higher speed when the abnormality of the controlling amount was judged than a speed at which the operation of the operating device is decreased when the abnormality of the operating device was judged.

Abstract: a work machine with a boom that can be derricked, includes: a first derricking angle detector that detects a derricking angle of the boom at a base end of the boom; a second derricking angle detector that detects a derricking angle of the boom at a front end of the boom; a first flexible volume acquisition part that acquires a flexible volume of the boom based on a detected angle by the first derricking angle detector and a detected angle by the second derricking angle detector; a second flexible volume acquisition part that acquires a flexible volume of the boom based on the detected angle by the first derricking angle detector; and a switching part that switches between acquisition of the flexible volume of the boom by the first flexible volume acquisition part and acquisition of the flexible volume of the boom by the second flexible volume acquisition part.