Monitoring the brake performance of a brake system of a machine and a control systems for performing such monitoring. The machine's brake system is monitored by detecting a brake engagement for decelerating the machine. When a brake engagement is detected, a parasitic loss decelerating the machine during the brake engagement is determined. The parasitic loss is used to predict deceleration of the machine during the brake engagement Brake performance of the brake system of the machine is processed from the predicted deceleration.

A variable load calculator calculates a variable load command VL based on AS pressure and a predetermined table. A vehicle deceleration calculator calculates vehicle deceleration based on a brake notch command BN and a predetermined table. A required braking force calculator calculates required braking force BL by multiplying a weight indicated by the variable load command VL and the vehicle deceleration . An electric braking controller calculates an electric braking pattern in accordance with the required braking force BL and then transmits the electric braking pattern to an inverter controller. The electric braking controller calculates an electric braking force produced by operation of the electric motor and then transmits to a subtractor as feedback BT the electric braking force adjusted in accordance with a speed of the electric motor. The subtractor transmits to a mechanical brake as a mechanical braking command a result obtained by subtracting the feedback BT from the required braking force BL.

Technical solutions are described to for determining thickness of a vehicle brake rotor. An example method includes providing vehicle parameters that identify operating conditions of a vehicle, and using the vehicle parameters to determine work done by a brake of the vehicle as brake-work. Further, the method includes using the brake work to determine brake rotor temperature, and using the brake rotor temperature to determine brake rotor wear. The method further includes accumulating the brake rotor wear to provide an estimation of the thickness of the vehicle brake rotor.

A system for calculating an internal load of a component includes an acceleration module, a skew matrix module, a center of gravity calculation module, a mass/inertia module, and an internal load module. The acceleration module may obtain a plurality of acceleration measurements associated with a component, where each acceleration measurement is associated with a response point relative to a center of gravity of the component. The skew matrix module may determine a skew matrix based on the response points. The center of gravity calculation module may calculate a center of gravity response for the component based on the plurality of acceleration measurements and the skew matrix. The mass/inertia module may determine a mass/inertia matrix based on measured mass and inertia values associated with the component. The internal load module may calculate an internal load of the component based on the calculated center of gravity response and the mass/inertia matrix.

A train braking control method and device supporting multi-stage deceleration, and a storage medium are provided. The method includes the following steps: calculating an initial value of kinetic energy of a train; calculating work of traction force of the train in a process from an initial position to traction removal; calculating work of gravity force of the train in a process from the initial position to a stop; calculating work of braking force of the train in a process from a braking application position to the stop; calculating maximum allowable kinetic energy of the train among all restriction points from the initial position to a stop point; obtaining kinetic energy of the train according to the following formula, determining whether the kinetic energy of the train exceeds the maximum allowable kinetic energy at the restriction point, if so, triggering emergency braking of the train, or else, operating the train normally.

An industrial vehicle includes a controller. The controller sets a first upper deceleration limit as a set upper deceleration limit, if a first condition is satisfied, to perform first deceleration limiting. The first condition is satisfied when at least one of a high lifting height of the industrial vehicle, a material weight equal to or greater than a threshold, and an empty driver seat is detected. The controller sets a second upper deceleration limit as the set upper deceleration limit, if a second condition is satisfied, to perform second deceleration limiting. The second condition is satisfied when a distance between the industrial vehicle and an obstacle is less than a threshold. The controller performs priority control if the first condition and the second condition are satisfied so that the first upper deceleration limit is set as the set upper deceleration limit in preference to the second upper deceleration limit.

Systems and methods are provided for controlling operation of a trailer brake system associated with an agricultural vehicle-trailer combination, including: determining a trailer brake temperature; comparing the determined trailer brake temperature with one or more temperature thresholds to determine a temperature level condition for the trailer brake; and controlling the trailer brake system in dependence on the determined temperature level condition.

An apparatus of changing deceleration of a braking curve based on a variation in a coefficient of friction may include: a coefficient-of-friction calculating unit calculating a first coefficient of friction between a brake disk and a friction material at a first point in time, and calculating a second coefficient of friction between the brake disk and the friction material at a second point in time at which a preset driving distance has elapsed from the first point in time; a determination unit determining whether there is a change in coefficient of friction between the first coefficient of friction and the second coefficient of friction; and a deceleration changing unit changing deceleration by regenerative braking or deceleration by hydraulic braking from a preset braking curve by an amount of a variation in deceleration according to the variation in coefficient of friction, when there is a variation in coefficient of friction.

A brake test device and method for testing the braking system of a vehicle, to ensure compliance with safety regulations and ensure the braking system is functional, said brake test system including: i. at least one on/off switch; ii. at least one display; iii. at least one on/off status indicator; iv. at least one controller; v. at least one brake sensor; vi. at least one brake status indicator; vii. at least one throttle (or accelerator) sensor; viii. at least one throttle (or accelerator) status indicator; ix. at least one motor torque sensor; x. at least one motor torque status indicator; xi. at least one gear sensor; xii. at least one gear status indicator; xiii. at least one brake test status indicator; xiv. at least one data logging component to log data from a brake test; and xv. at least one communication component to communicate the data from the brake test.

A vehicle and method is provided. The vehicle includes systems and method for limiting the slip of the wheels. In an embodiment, the system holds the brakes based on an acceleration characteristic measured by a sensor. In another embodiment, the system includes a transmission controller that applies an adjustment to limit an amount of clutch slip as the clutch temperature to change in clutch performance to reduce wheel slip. In another embodiment, the system monitors wheel slip signal from a sensor and compares the wheel slip to a target slip value and controls clutch slip of the transmission clutch based to maintain engine output torque during acceleration. In another embodiment, in response to an anticipated vehicle launch event, a drive motor applies a first torque to the input shaft to adjust a gear lash of the differential unit.