Bendix Commercial Vehicle Systems LLC

United States

Bendix Commercial Vehicle Systems LLC

United States
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Patent
Bendix Commercial Vehicle Systems LLC | Date: 2016-01-12

A system for determining the length of a road train includes controllers on both towing and towed vehicles. Each controller may transmit a vehicle length and GPS coordinates in a specified wireless message format. The towing vehicle controller receives a first wireless message from the towed vehicle controller. The wireless message includes at least one of a speed of the towed vehicle, a length of the towed vehicle and GPS coordinates of the towed vehicle. The towing vehicle controller determines if the towed vehicle transmitting the message is coupled to the towed vehicle and then adds the length of the towed vehicle to the length of the towing vehicle to attain an overall length of the road train in response to the determination that the towed vehicle transmitting the wireless message is coupled to the towing vehicle. The towing vehicle controller then transmits the overall length of the road train.


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2017-07-26

When blending individual vehicle-mounted camera images into a coherent composite image of the vehicle surroundings, objects in the respective images are analyzed to determine the presence of a pedestrian. When the individual images are blended to form the composite image, multiple pedestrian shadow views of the pedestrian are replaced with background pixels to erase the pedestrian, and a semi-symbolic graphical representation of the pedestrian is superimposed at the location of the actual pedestrian in the composite image. The graphical representation is proportional to the pedestrian in the composite image and includes features unique to the pedestrian it represents. The composite image with the graphical representation is then presented to a viewer.


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2017-07-26

When detecting an object of interest, such as a bicyclist passing a truck, two downward looking cameras both capture images of the cyclist and detect the cyclist as a deviation from the flat ground plane. The ground plane is reconstructed using a homography (projection) matrix of each camera and compared. Where the camera images do not agree, the ground is not flat. The cyclist is located as the intersection of the rays extending to either end of the area of disagreement between the images.


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2017-06-28

A compressor head includes an upper part (12), a lower part (14), a baffle (20), and a gasket (16) between the upper part (12) and the lower part (14). The gasket (16) includes an inner perimeter portion between, and substantially delineating, an upper inner mating portion and a lower inner mating portion of the compressor head. The gasket (16) also includes an outer perimeter portion between, and substantially delineating, an upper outer mating portion and a lower outer mating portion of the compressor head. At least a tab (66) extends toward the first volume in the compressor head from the inner perimeter portion. The at least a tab (66) cooperates with an upper ledge and a lower ledge (54) of the compressor head to reduce vibration of the baffle (20) between the upper part (12) and the lower part (14).


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2017-01-11

A method and controller for controlling the purge cycling of an air dryer assembly is disclosed. The controller includes a control output for transmitting a control signal for controlling the air dryer. The controller is capable of initiating an enhanced purge cycle for the air dryer based on a regeneration volume value. The regeneration volume value is based on the accumulated volume of air delivered to the air dryer for a first time or since a prior standard purge cycle.


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2016-10-20

A control device for controlling a brake system of a vehicle comprises a first output for controlling a first solenoid valve; a second output for controlling a valve device; an input for receiving a requested brake pressure; and a port for receiving messages on a databus. The control device is capable of receiving an automatic brake request on the databus; determining a desired brake pressure in response to the automatic brake request; receiving a requested brake pressure in response to a driver actuating a service brake valve; comparing the desired brake pressure to the requested brake pressure; transmitting a control signal to close the first solenoid valve and transmitting a control signal to change the valve device to a first operating position in response to the requested brake pressure being less than the desired brake pressure in order to provide pressure to at least one brake actuator.


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2017-01-11

A system and method of controlling an air dryer system having first and second air dryers (120, 122) configured to receive compressed air from a compressor (112), such as a compressor of a vehicle, including operating the first and second air dryers in a first mode corresponding to a high flow mode wherein the first and second air dryers are connected in parallel with the air compressor, simultaneously receiving air from the compressor; monitoring a condition related to a low compressor output state, and operating the first and second air dryers in a second mode corresponding to a continuous flow mode, alternatively switching the dryers between purge and dry states, when the low compressor output state is detected.


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2017-06-21

When calculating an angle of articulation between two portions of an articulated vehicle such as a tractor-trailer combination, a camera-based articulation angle measuring system comprises camera(s) mounted on the tractor and/or trailer that observe their counterpart and/or features on the other portion of the vehicle. The angles or locations of the counterpart features are measured in the image(s) produced by the camera(s). A geometric model is employed to convert the location and/or angular measurements into a corresponding articulation and/or roll angle for the tractor-trailer combination.


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2017-06-14

A camera system (20) on a vehicle includes an electronic control unit (26), a base sensor (22B), on a first portion (12) of the vehicle (10), and a remote sensor (22R1, R2, R3) on a second portion (14) of the vehicle. The base sensor and the remote sensor commuincate with the electorinic control unit. The electronic control unit associates the remote sensor with the base sensor based on respective signals received from the base sensor and the remote sensor representing respective measurements of a first physical quanitity by the base sensor and the remote sensor.


Patent
Bendix Commercial Vehicle Systems LLC | Date: 2017-06-21

When calculating true inter-camera distance, offset images of a reference object such as a lane marker from at least two cameras coupled to an articulating vehicle are overlaid and shifted until the reference objects in each image are aligned. The distance by which the reference object images are shifted, as well as any rotation required to align the images, is used to calculate the actual distance between the cameras and to compensate for average yaw angle between the cameras when positioning the images for digital stitching to generate a composite surround view image.

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