OTN Airbus SAS

The invention relates to a safety device (10) for an equipment (18) containing potentially flammable and/or potentially explosive media, such as for example a fuel cell (42). The safety device (10) comprises a housing (12) with an internal chamber (20) for encapsulating the equipment. In order to improve the safety device (10) for use on vehicles, especially aircraft, the safety device (10) further comprises a flexible membrane (53) separating a gas-tight volume (55) from the chamber (20) wherein the gas-tight volume (55) is filled during operation with a filling gas (56) differing from the media. In preferred embodiments, the flexible membrane (53) is provided in form of a balloon (54) filled with the filling gas (56) and located within the chamber (20), especially in a top portion (84) of the chamber (20).

The invention relates to a computer-implemented method for managing network communication between interconnected network devices (12, 12a, 12b, 12c) in a network system (10).

Proposed is a method and an apparatus (100) for compressing a neural network. The processing circuitry (110) is configured to receive a neural network comprising a set of parameters being in at least one floating-point number format of a first precision. Further, the processing circuitry (110) is configured to apply at least one mathematical model on the neural network to determine errors introduced by using arithmetic of a second precision lower than the first precision and propagation through network layers of the neural network due to using the arithmetic of the second precision instead of the first precision. The processing circuitry (110) is further configured to apply a solver to an optimization problem formulated based on the errors determined by the at least one mathematical model to determine a set of optimized parameters. Further, the processing circuitry (110) is configured to compress the neural network based on the set of optimized parameters to output a compressed neural network.

A protection arrangement (10), an energy storage device (2), in particular an electrochemical battery for an apparatus (1), and an apparatus (1), in particular, a vehicle, such as an aircraft, are provided, wherein for protecting the energy storage device (2), such as an electrochemical battery in the event of a technical failure (F) of at least one energy storage unit (20) of the energy storage device (2), the protecting arrangement (10) comprises a discharging circuit (13) with a switching device (15) configured to reduce an electrical charging level of the at least one energy storage unit (20) by electrically closing the discharging circuit (13) upon detection of the technical failure (F).

A method (200) for manufacturing an electrolyte-supported fuel cell structure (100) is provided. The method (200) includes providing (210) a continuous electrolyte layer (110) with a first side (111) and a second side (112), coating (221) the first side (111) with an anode material (121) to form a continuous anode layer (120), and coating (222) the second side (112) with a cathode material (131) to form a continuous cathode layer (130). Portions of the anode layer (120) and cathode layer (130) are removed (231, 232) via laser ablation, creating separated anode and cathode sections. Through holes (113) are created (240) in the electrolyte layer (110) coinciding with areas where the anode or cathode layers have been removed. Conductive material (160) is arranged in the through holes to connect anode and cathode sections, thereby forming a serial connection between corresponding fuel cell segments.

A method (200) for manufacturing a fuel cell structure (100) is provided. The method (200) comprises providing (210) a continuous support layer (110) with a first and second side (111, 112), depositing (220) a continuous first electrode layer (120) of a first electrode material (121) onto the first side (111), removing (230) portions (124) of the first electrode layer (120), leaving individual sections (122, 123) side-by-side, depositing (240) a continuous electrolyte layer (140) above the first electrode layer (120), removing (250) portions (144) of the electrolyte layer (140) coincident with the removed first electrode sections (122, 123), depositing (260) a continuous second electrode layer (130), removing (270) portions (134) of the second electrode layer (130) coincident with the removed sections of the previous layers (120, 140), and depositing (280) an electrically conductive material (150) within the created cavities, electrically interconnecting in series adjacent sections of the first and second electrode layers (120, 130) via the conductive material (150).

A method, control program (11), computer-readable data carrier (12), control unit (24), communication system (1) and a corresponding apparatus (7) are provided, configuring a network structure (N) of a communication system (1) for providing a data connection (C) to transfer a data object (D) between a sender (A) and at least one receiver (B), in particular a vehicle (1), such as an aircraft, via at least one routing path (R) provided by network nodes (O) of the network structure (N), the method comprising the steps of assigning a global number (k) of network nodes (O) of the network structure (N) to a global domain (K) being controlled by a global controller (H); providing a global model of the global domain (K) based on routing parameters representing routing capabilities associated to the network nodes (O) assigned to the global domain (K); assigning a local number (I) of respective network nodes (O) assigned to the global domain (K) as subsets of the global number (k) to at least two local domains (L) each being controlled by a respective local controller (J); and providing respective local models of the local domains (L) based on routing parameters representing routing capabilities associated to the network nodes (O) assigned to each of the local domains (L); wherein the global controller (H) interacts with the local controllers (J) to identify at least one of the network nodes (O) which according to the global model and/or the local models provides routing capabilities allowing the at least one network node (O) to serve as a local proxy (P) enabling to place the data object (D) along the at least one routing path (R) such that it can be provided to the receiver (B) from the local proxy (P).

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Zusammenfassung wird geladen …

In order to enhance performance of power electronics such as a power switch or a power module, the invention provides a Monitoring method for monitoring a cooling system (18) of a power electronic semiconductor device (14) that includes the cooling system (18) and at least one semiconductor die (20) including a power switching element (22), comprising:a) measuring a first temperature (T1) by means of a temperature sensor (42) of the power electronic semiconductor device (14) wherein the temperature sensor (42) is arranged in a distance to the at least one semiconductor die (20),b) measuring an actual junction temperature of the at least one semiconductor die (20) as a second temperature (T2), andc) comparing the first and second temperatures (T1, T2) for determining a health status of the cooling system (18).