A brake control system to be installed on a railroad car, the system including: a brake command unit that outputs a first brake command by a first communication method and outputs a second brake command by a second communication method, the first brake command indicating details of control of a brake, the second brake command restricting details of control of the brake; and a brake control unit that acquires the first brake command by the first communication method via a train control and monitoring system, acquires the second brake command by the second communication method, and controls the brake based on the first brake command and the second brake command.

A brake control system to be installed on a railroad car, the system including: a brake command unit that outputs a first brake command by a first communication method and outputs a second brake command by a second communication method, the first brake command indicating details of control of a brake, the second brake command restricting details of control of the brake; and a brake control unit that acquires the first brake command by the first communication method via a train control and monitoring system, acquires the second brake command by the second communication method, and controls the brake based on the first brake command and the second brake command.

A braking system includes a frame, an actuator coupled to the frame, a rotating joint coupled to the actuator and the frame, an arm coupled to the rotating joint, a brake pad having a connector, the connector pivotably coupled to the arm, and a torsion spring positioned at the connector to bias the brake pad relative to the arm.

A braking system includes a frame, an actuator coupled to the frame, a rotating joint coupled to the actuator and the frame, an arm coupled to the rotating joint, a brake pad having a connector, the connector pivotably coupled to the arm, and a torsion spring positioned at the connector to bias the brake pad relative to the arm.

A braking system includes a frame, a linear actuator coupled to the frame, a rotating joint coupled to linear actuator and the frame, a force applicator coupled to the rotating joint, and a friction mat coupled to the force applicator. The first linear actuator is operable to cause the rotating joint to rotate relative to the frame and the force applicator is operable to vary a distance between the friction mat and the rotating joint.

A braking system includes a frame, a linear actuator coupled to the frame, a rotating joint coupled to linear actuator and the frame, a force applicator coupled to the rotating joint, and a friction mat coupled to the force applicator. The first linear actuator is operable to cause the rotating joint to rotate relative to the frame and the force applicator is operable to vary a distance between the friction mat and the rotating joint.

An ECP overlay system for a UIC-type distributor valve includes a manifold body having a pipe bracket face configured to engage a face of a pipe bracket of a brake system, a valve face configured to engage a face of a UIC-type distributor valve of a brake system, and an electric manifold face. The system further including an electric manifold assembly engaged with the electric manifold face of the manifold body, with the electric manifold assembly having a pneumatic mode where the electric manifold assembly is configured to allow pneumatic-only control of a brake cylinder of brake system and an ECP mode where the electric manifold assembly is configured to allow electronic control of a brake cylinder of a rbrake system.

An ECP overlay system for a UIC-type distributor valve includes a manifold body having a pipe bracket face configured to engage a face of a pipe bracket of a brake system, a valve face configured to engage a face of a UIC-type distributor valve of a brake system, and an electric manifold face. The system further including an electric manifold assembly engaged with the electric manifold face of the manifold body, with the electric manifold assembly having a pneumatic mode where the electric manifold assembly is configured to allow pneumatic-only control of a brake cylinder of brake system and an ECP mode where the electric manifold assembly is configured to allow electronic control of a brake cylinder of a rbrake system.

An ECP overlay system for a W-type triple valve includes a manifold body having a pipe bracket face configured to engage a face of a pipe bracket of a vehicle brake system, a valve face configured to engage a face of a W-type triple valve of a vehicle brake system, and an electric manifold face. The system also includes an electric manifold assembly engaged with the electric manifold face of the manifold body, with the electric manifold assembly having a pneumatic mode here the electric manifold assembly is configured to allow pneumatic-only control of a brake cylinder of vehicle brake system and an ECP mode where the electric manifold assembly is configured to allow electronic control of a brake cylinder of a vehicle brake system.

A brake controller includes: a necessary braking force calculator to calculate a necessary braking force that is a braking force generated by a mechanical brake apparatus in order to obtain a deceleration indicated by a brake command; an initial speed acquirer to acquires an initial speed; a target pressing force calculator to calculate a target pressing force that is a force for pressing a brake shoe against a wheel in order to obtain the necessary braking force; and a target pressure calculator to calculate a target pressure indicating a pressure of a fluid inside the brake cylinder that is necessary for obtaining the target pressing force and perform feedback control to adjust the target pressure based on a feedback signal acquired from a pressure sensor.