摘要:
A runway traction estimation and reporting method and computer readable medium is provided. Upon detection of a landing event, a runway traction estimation and reporting method provides for various measurements and calculations to estimate the traction of the runway and create a traction map of the runway. A computer readable medium may contain instructions for a runway traction estimation and reporting processor directing the processor to perform various measurements and calculations to estimate the traction of the runway. The processor may communicate with a ground station or with other aircraft to produce collaborative results.
摘要:
What is described is a system for determining a force applied to an outer disc of an aircraft brake by an actuator motor. The system includes a current sensor coupled to the actuator motor and configured to detect a detected amount of current applied to the actuator motor. The system also includes a controller coupled to the current sensor. The controller is configured to determine an estimated current. The controller is also configured to receive the detected amount of current. The controller is also configured to determine an adjusted current based on the detected amount of current and the estimated current. The controller is also configured to determine an estimate of the force applied to the outer disc based on the adjusted current.
摘要:
The present disclosure provides systems and methods related to determining observed applied brake force of an aircraft braking system. In various embodiments, a system for calculating observed applied force comprises a current sensor in communication with a controller, a position sensor in communication with the controller and configured to measure a rotational speed of a motor shaft, and a tangible, non-transitory memory configured to communicate with the controller. In various embodiments, the tangible, non-transitory memory may have instructions stored thereon that, in response to execution by the controller, cause the controller to perform operations comprising receiving, by the controller, a motor current from the current sensor at a first time, calculating, by the controller, a first electromagnetic torque, calculating, by the controller, a first flywheel angular velocity, receiving, by the controller, a motor shaft angular velocity from the position sensor at a second time, subtracting, by the controller, the first flywheel angular velocity and the motor shaft angular velocity received at the second time to obtain a first angular velocity difference, calculating, by the controller, a first observed disturbance torque, and calculating, by the controller, a first observed applied force.
摘要:
What is described is a system for determining a force applied to an outer disc of an aircraft brake by an actuator motor. The system includes a current sensor coupled to the actuator motor and configured to detect an amount of current applied to the actuator motor. The system also includes a controller coupled to the current sensor. The controller is configured to determine an estimate of the force applied to the outer disc based on the detected amount of current and predetermined input parameters.
摘要:
The present disclosure provides systems and methods related to determining observed applied brake force of an aircraft braking system. In various embodiments, a system for calculating observed applied force comprises a current sensor in communication with a controller, a position sensor in communication with the controller and configured to measure a rotational speed of a motor shaft, and a tangible, non-transitory memory configured to communicate with the controller. In various embodiments, the tangible, non-transitory memory may have instructions stored thereon that, in response to execution by the controller, cause the controller to perform operations comprising receiving, by the controller, a motor current from the current sensor at a first time, calculating, by the controller, a first electromagnetic torque, calculating, by the controller, a first flywheel angular velocity, receiving, by the controller, a motor shaft angular velocity from the position sensor at a second time, subtracting, by the controller, the first flywheel angular velocity and the motor shaft angular velocity received at the second time to obtain a first angular velocity difference, calculating, by the controller, a first observed disturbance torque, and calculating, by the controller, a first observed applied force.
摘要:
A runway traction estimation and reporting method and computer readable medium is provided. Upon detection of a landing event, a runway traction estimation and reporting method provides for various measurements and calculations to estimate the traction of the runway and create a traction map of the runway. A computer readable medium may contain instructions for a runway traction estimation and reporting processor directing the processor to perform various measurements and calculations to estimate the traction of the runway. The processor may communicate with a ground station or with other aircraft to produce collaborative results.
摘要:
Systems and methods for a tire/runway friction property estimation method based on measured wheel speed, calculated acceleration, wheel reference and tire normal force estimation are disclosed. Based on the resulting estimations, a map and/or function of position for the friction properties may be formed and transmitted to external systems after an aircraft stop is completed.