Abstract: Systems and methods for monitoring the integrity of a convoy of vehicles are described. The convoy can include a first vehicle and at least one second vehicle connected to the first vehicle. In one example, the system can include a communication line and a power supply line each arranged to be installed in the first vehicle and in the at least one second vehicle. The system can further include a control circuit arranged to verify whether the communication line is interrupted and verify whether the power supply line is interrupted. From the verifications, the control circuit may determine that both the communication line and the power supply line are interrupted and further determine that the second vehicle has disconnected from the first vehicle.

Abstract: Systems and methods for monitoring the integrity of a convoy of vehicles are described. The convoy can include a first vehicle and at least one second vehicle connected to the first vehicle. In one example, the system can include a communication line and a power supply line each arranged to be installed in the first vehicle and in the at least one second vehicle. The system can further include a control circuit arranged to verify whether the communication line is interrupted and verify whether the power supply line is interrupted. From the verifications, the control circuit may determine that both the communication line and the power supply line are interrupted and further determine that the second vehicle has disconnected from the first vehicle.

Abstract: A braking control system for a vehicle system includes a first control circuit configured to, responsive to receiving an emergency braking request signal indicative of a request for the application of an emergency braking force having an emergency braking force target value, control an electrodynamic braking system of the vehicle system for the generation of an emergency electrodynamic braking force, and to receive an electrodynamic braking force signal indicative of an electrodynamic braking force value applied by the electrodynamic braking system, and, responsive to when the electrodynamic braking force signal indicates an electrodynamic braking force value less than the emergency braking force target value, control activation of a pneumatic braking system of the vehicle system to generate an additional pneumatic braking force configured to compensate for the difference in braking force between the emergency braking force target value and the electrodynamic braking force value.

Abstract: An electromechanical actuator (200) for a braking system of a vehicle (V), particularly a railway vehicle, is described, characterized in that it includes a first control means (202) arranged to receive from a speed sensor means (204, 204?), associated with a wheel (w) of the vehicle, a speed signal having a value indicative of an angular speed of the wheel (w) of the vehicle. A braking system and a vehicle are also described.

Abstract: A braking system (200) is described for at least one vehicle (V), particularly at least one railway vehicle, comprising control means arranged to: a) determine a real instantaneous deceleration value of the vehicle during the actuation of braking means (202); b) determine a real friction value between braking means and at least one wheel or at least one disc, as a function of at least said real instantaneous deceleration value, a test mass value of the vehicle and a value of an actuation signal; c) replace a predetermined expected friction value stored in the storage medium (210, 210?) with the determined real friction value. Further described is a system for calibrating a braking system of at least one vehicle, and a process for calibrating a braking system of at least one vehicle (V), and vehicles.

Abstract: A supervising device for monitoring the operation of an anti-slip device is described; the supervising device is arranged to: acquire estimated instantaneous linear speeds associated with axles controlled by the anti-slip device; compare the estimated instantaneous linear speeds with a linear reference speed; monitor the state of the pressures to the brake cylinders; determine whether the anti-slip device is working correctly, depending on predetermined trends of each of the estimated instantaneous linear speeds associated with the axles in the slipping phase, with respect to the reference linear speed, in association with each of the pressures to the brake cylinders associated with the axles adjust the preloaded time value in at least one of the timing devices when the supervising device determines that the anti-slip device is not working correctly.

Abstract: A system is described for determining remaining life of at least one component arranged to be installed on a vehicle, particularly a railway vehicle, comprising a control means arranged for measuring, from when the at least one component has been installed in the vehicle, a usage data of the at least one component; receiving or including predetermined end-of-life data indicative of the expected end-of-life of the component; and determining a remaining life value of the component based on the difference between the predetermined end-of-life data and the measured usage data.

Abstract: An activation system is described which controls the activation of at least one control means installed in a vehicle including a braking system including a main brake pipe containing a fluid. The control means to assumes a resting state in which it consumes a first value of electrical energy and an active state in which it consumes a second value of electrical energy, greater than the first value of electrical energy. The activation system measures the pressure value of the fluid within the main brake pipe and generate an activation signal when the pressure value of the fluid within said main brake pipe is equal to or less than a first predetermined threshold value. The control means receives the activation signal and switches from the resting state to the active state when the control means is in the resting state and receives the activation signal.

Abstract: A monitoring system is described for a plurality of homogeneous devices, of at least one railway vehicle, wherein a functional state of each device is represented by a respective value of at least one operating quantity common to the devices. The monitoring system comprises: a control means which acquires, in a succession of acquisition instants, values of the operating quantity; each value is representative of the functional state of a respective device in an acquisition instant; diagnostic means which receive the values acquired in an acquisition instant and detect an operating anomaly or a maintenance request from at least one device as a function of a comparison, for each acquisition instant, of the values received with a range of reference values comprising a reference value determined as a function of at least two values acquired in an acquisition instant.

Abstract: A recognition system of a position of a mechatronic braking control device associated with a railway vehicle along a train is described. The recognition system includes a sustaining and fixing support installed on the railway vehicle, an identifying binary coding of the position along the train, and a mechatronic braking control device adapted to be fixed to the sustaining and fixing support and including an optical reading device arranged to detect the identifying binary coding. The mechatronic braking control device determines the position along the train according to the binary coding that is read by the optical reading device.

Abstract: A method is described for controlling pneumatic pressure by actuating a charge and a discharge valve that vary the pressure, comprising, providing a matrix wherein each cell indicates a time for opening the charge or discharge valve; if the initial pressure value in the volume is less than the target pressure value to be reached, opening the charge valve, decreasing the value of the opening time indicated in the selected cell if the pressure value in the volume exceeds the target pressure value and possibly increasing the value of the time indicated in the selected cell; if the initial pressure value in the volume is greater than the target pressure value, opening the one discharge valve for the time indicated in a selected cell and possibly increasing the time value indicated in the selected cell and possibly decreasing the time value indicated in the selected cell.

Abstract: An electromechanical service and emergency braking actuator for a railway vehicle is described, comprising a safety unit arranged to regulate a first emergency braking control signal so as to indicate to first emergency braking energy release means to release the energy stored in first emergency braking energy storage means when an emergency braking request signal indicates a request for an emergency braking and a first electrical signal of actual braking force does not indicate, within a predetermined maximum delay time, a force value coinciding with a further emergency braking force value calculated by said safety unit or a force value that does not fall, within a predetermined maximum delay time, in a predetermined tolerance range including the additional emergency braking force value calculated by said safety unit. Electromechanical braking systems are also described.

Abstract: A monitoring method of a compressor for a railway braking system is described, the railway braking system comprising an air generation and treatment module AGTU which includes a compressor, a main tank arranged to supply a main pipe adapted to distribute compressed air to at least one braking subsystem which comprises an auxiliary tank arranged to supply a braking control system; the monitoring process being characterized in that it comprises the steps of: monitoring a behavior of at least one pressure value measured downstream of the main tank or measured at the outlet of the auxiliary tank; deriving the use and/or state of health of the compressor exclusively on the basis of the time behavior of the measured pressure value.

Abstract: A system that includes a first control unit having one or more processors. The one or more processors may operate a first traction control unit and a first braking device of a first vehicle of a vehicle system based on an operator input command signal. The system also includes a second control unit in communication with the first control unit and having one or more processors configured to operate a second traction device and a second braking device of a second vehicle of the vehicle system based on at least one operational objective of the vehicle system.

Abstract: A manufacturing method of a railway braking device is described comprising a main body arranged to receive at least partially: at least two different pneumatic or electro-pneumatic elements; and channels connecting the at least two pneumatic or electro-pneumatic elements; the manufacturing method comprising the step of: constructing said main body of the railway braking device through additive manufacturing of a monolithic block provided with at least two seats for said at least two pneumatic or electro-pneumatic elements and said channels; a railway braking device is further described constructed by means of a manufacturing method of a railway braking device.

Abstract: A piston is described for the compression of a pneumatic fluid in a compression chamber of a cylinder comprising: a cylindrically shaped piston body, adapted to be arranged slidably within said cylinder, and having a side wall and a top wall; along a circumferential perimeter of said side wall of the piston body a seat being defined; and a sealing assembly accommodated in said seat, and adapted to ensure the fluid-tightness along said circumferential perimeter; the sealing assembly comprising a plurality of sealing elements, having shapes complementary to one another, and configured so that the wear of a sealing element along said circumferential perimeter corresponds to a sliding in the radially outer direction of the adjacent sealing element.

Abstract: Various embodiments of a braking system for at least one bogie or railway vehicle comprising an emergency braking control unit made according to a first safety integrity level and a service braking control unit made according to a second safety integrity level lower than said first safety integrity level are described; the braking system carrying out at least one additional braking function at the same safety integrity level as the emergency braking control unit.

Abstract: An electro-pneumatic service and emergency braking control system is described, comprising: a switching device arranged to allow the connection of a first group of control and feedback signals from an emergency braking control module to an electro-pneumatic emergency braking module when a monitoring device determines the correct operation of the emergency braking control module and to allow the connection of a third group of control and feedback signals from the service braking control module to the electro-pneumatic emergency braking module when the monitoring device determines the incorrect operation of the emergency braking control module.

Abstract: A method is described for detecting a braking action of a railway vehicle (RV) comprising monitoring the load transfer to a first axle of the railway vehicle (RV) from a second axle following the first axle according to the direction of travel (d) and, if the load transfer exceeds a predetermined threshold, determining that the railway vehicle (RV) is braking. An emergency braking method is also described comprising detecting an emergency braking request, activating an electrodynamic braking system to decelerate the railway vehicle when the emergency braking request is detected, applying the method to detect a braking action of a railway vehicle and, if so, determining that the electrodynamic braking system is operating correctly and using the electrodynamic braking system to fulfill at least partially the emergency braking request.

Abstract: A rotational monitoring system of at least one axle designed to identify at least one axle controlled by it having an estimated instantaneous linear speed lower than a predetermined instantaneous linear limit speed, and remove the braking force to one or more wheels of the axle identified to have an estimated instantaneous linear speed lower than the predetermined instantaneous linear limit speed, by canceling a pressure to brake cylinders associated with the at least one axle identified to have an estimated instantaneous linear speed lower than the predetermined instantaneous linear limit speed. The cancellation of a pressure is obtained by acting on an electro-pneumatic valve designed to perform a Remote Release function associated with the pneumatic circuits generating braking pressure for the brake cylinders and adapted to cancel a residual braking pressure.