Methods, apparatus, systems and articles of manufacture are disclosed for automatic calibration of electronic trailer brake gain. An example apparatus includes a trailer brake gain calibration module programmed to compare a calculated trailer brake torque to at least one of a first or second threshold, adjust a gain value based upon satisfaction of at least one of the first or second threshold, and apply a pressure to a trailer brake based on the gain value.

Methods and apparatus for automatic calibration of electronic trailer brake gain

A magneto-elastically-based active force sensor, used with a tow coupling between a towed and a towing vehicle or a coupling between a vehicle body and a suspension of the vehicle, which outputs a signal useful for determining forces acting on the coupling. The outputted force information may be provided by processor-enabled embedded software algorithms that take inputs from the force sensor and other sensors, may be used by one or more vehicle systems during operating of the vehicle, such as engine, braking, stability, safety, and informational systems. The force sensor includes directionally-sensitive magnetic field sensing elements inside the sensor, and shielding may be used around the sensors to reduce the influence of external magnetic fields on the sensing elements. The force sensor may be used with different tow and vehicle weight sensing coupling devices installed on different types of automobile cars and trucks.

Towing systems and methods using magnetic field sensing

Methods and apparatus to determine vehicle weight information based on ride height are disclosed herein. An example apparatus includes a weight calculator to determine a relationship between ride height information and weight of a vehicle and a compensation calculator to adjust the relationship based on compensation factors and calculate vehicle weight information for the vehicle based on the adjusted relationship, the compensation factors based on vehicle sensor data. The example apparatus further includes a calculation adjustor to adjust the vehicle weight information calculation of the weight calculator or the compensation calculator based on driver behavior.

Methods and apparatus to determine vehicle weight information based on ride height

A system is disclosed for sequentially illuminating segments of vehicle LED arrays of tail lights, when running lights are “on”, in response to incremental changes in vehicle speed. In response to rapid vehicle deceleration above a predetermined threshold, the system cyclically moves a darkened segment across an illuminated array of LED brake lights with or without the operator applying the brakes.

System and method for signaling vehicle speed and rapid deceleration utilizing tail lights

Methods and apparatus are disclosed herein that determine a vehicle backup position for launching and loading a boat using trailer hitch load. An example apparatus includes a data analyzer to determine, based on a trailer hitch load of a vehicle coupled to a trailer, a vehicle backup position for launching the boat at which a boat coupled to the trailer is floating on a body of water and an instruction generator to instruct a braking system of the vehicle to stop the vehicle at the vehicle backup position for launching the boat.

Methods and apparatus to determine a vehicle backup position for launching or loading a boat using trailer hitch load

Indicator apparatus and related methods for use with vehicles are disclosed. An example apparatus includes a controller configured to determine a load imparted on a hitch via a sensor. The hitch is to be coupled between a vehicle and a trailer. The controller is also configured to compare the load to a threshold load. The threshold load is based on a weight of the trailer. The controller is also configured to control an exterior light of the vehicle based on the comparison to visually indicate a load status of the trailer.

Indicator apparatus and related methods for use with vehicles

Methods, apparatus, systems and articles of manufacture are disclosed for automatically calibrating electronic trailer brake gain. An example apparatus includes a trailer brake gain calibrator programmed to modulate a trailer brake gain value based upon a derivative of a trailer hitch force and apply a pressure to a brake of a trailer based on the gain value.

Methods and apparatus to automatically calibrate electronic trailer brake gain

The invention provides methods and apparatus to modify vehicle function based on loading conditions. Methods, apparatus, systems and articles of manufacture are disclosed to modify vehicle function based on loading conditions. An example apparatus includes a vehicle load condition manager programmed to modify a feature of a vehicle when a load condition of the vehicle satisfies a threshold, wherein at least one of the feature or the threshold is based upon a profile of a user of the vehicle.

Methods and apparatus to modify vehicle function based on loading conditions

The disclosure provides methods and apparatus for a single pin load sensor coupled to a hitch receiver. Methods, apparatus, systems and articles of manufacture are disclosed to facilitate a single pinload sensor coupled to a hitch receiver, the sensor being used for measuring one or more loads on the hitch receiver. An example apparatus includes a load sensing pin coupled to a hitch receiver of avehicle, the load sensing pin disposed in a cavity of a crossbar that is to couple the hitch receiver to the vehicle, wherein the load sensing pin is to measure a load transferred from the hitch receiver to the crossbar.

Methods and apparatus for a single pin load sensor coupled to a hitch receiver

Methods and apparatus to compensate for body roll in vehicle weight calculations are disclosed. An example method includes receiving sensor data from sensors of a vehicle, determining a weight of the vehicle and determining a body roll of the vehicle. The example method further includes comparing the body roll to a threshold and, if the body roll satisfies the threshold, adjusting the determined weight of the vehicle based on the determined body roll and properties of a suspension system of the vehicle.

Methods and apparatus to compensate for body roll in vehicle weight calculations

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