Abstract: A system includes a transformer rectifier unit (TRU) including a backfeed sense module. A contactor is operatively connected to the TRU for selectively supplying DC power to a DC bus from the TRU with the contactor closed and isolating the DC bus from the TRU with the contactor opened. A contactor driver is operatively connected to receive a signal from the backfeed sense module and to control opening and closing of the contactor based on the signal. The contactor driver is configured to open the contactor upon receipt of the signal indicative of backfeed detected in the TRU.

Abstract: A closing mechanism controller includes contactor operating logic that generates a software or firmware based closing mechanism command signal. The controller also includes hardware interlock circuitry that generates an interlock signal, the hardware interlock circuity being configured to compare an interlock signal to the software based closing mechanism command signal and to provide an enable signal to the closing mechanism when the interlock signal matches the closing mechanism command signal.

Abstract: A composition including a poloxamer gel, wherein the poloxamer gel is a combination of poloxamer 407 and poloxamer 188, wherein the composition further include preserved water and wherein the composition does not contain pharmaceutical agents and radioactive compounds. A composition including a poloxamer gel, wherein the poloxamer gel is a combination of poloxamer 407 and poloxamer 188; wherein the composition further includes preserved water; wherein the composition is formed from poloxamer gel components having a mean size of at most 0.5 mm; and wherein the composition is a gel at temperatures ranging from 25.5° C. to 28.9° C. and a solid at temperatures ranging from 30° C. to 36° C.

Abstract: A system includes a first AC bus configured to supply power from a first generator. A first generator line contactor (GLC) selectively connects the first AC bus to the first generator. A second AC bus is configured to supply power from a second generator. A second GLC selectively connecting the second AC bus to the second generator. An auxiliary generator line contactor (ALC) is connected to selectively supply power to the first and second AC buses from an auxiliary generator. A first bus tie contactor (BTC) electrically connects between the first GLC and the ALC. A second BTC electrically connects between the ALC and the second GLC. A ram air turbine (RAT) automatic deployment controller is operatively connected to automatically deploy a RAT based on the combined status of the first GLC, the second GLC, the ALC, the first BTC, and the second BTC.

Abstract: Described herein are systems, methods, media, and devices for generating a satellite program for contacting satellites. In some embodiments, data including one or more targets for accessing a satellite constellation is obtained. Based on the data, a set of representations may be generated and candidate satellite constellation access programs may be determined based on the set of representations. For each program, a first score may be computed for each target to obtain a first set of scores, and a second score may be computed for each first score of the first set of scores to obtain a second set of scores. A satellite constellation access program may be selected from the candidate satellite access programs based on the second set of second scores.

Abstract: Systems for a cascaded multiple feedback generator controller are provided. Aspects include a direct current (DC) power supply comprising a generator and a rectifier circuit connected to a load, a first voltage sensing device coupled to a first point of regulation, a second voltage sensing device coupled to a second point of regulation, a generator controller configured to receive a first voltage signal from the first voltage sensing device, receive a second voltage signal from the second voltage sensing device, determine an adjustment for the generator, the adjustment comprising a transient performance response and a voltage droop response, wherein the transient performance response is determined based on the first voltage signal, and wherein the voltage droop response is determined based on the second voltage signal, and operate the generator based on the adjustment for the generator.

Abstract: An engine system for an aircraft comprising a propulsor configured to drive the aircraft, a thermal combustion engine configured to drive the propulsor, an electric motor connected to the thermal combustion engine and configured to drive the propulsor, a power converter configured to apply a torque to the electric motor and generate electric energy from the torque applied to the electric motor, and an engine controller, the engine controller being configured to determine a current power output of the thermal combustion engine, determine an optimum power output of the thermal combustion engine based on current operating conditions, and vary the torque applied to the electric motor so as to vary a load on the thermal combustion engine, wherein the torque may be varied by an amount required to vary the power output of the thermal combustion engine to the determined optimum power output.

Abstract: A sanitation device is disclosed. The sanitation device includes a housing, one or more reflective panels, one or more bulb assemblies, and an access door. The one or more reflective panels and the access door define a chamber. The one or more bulb assemblies are positioned within the chamber.

Abstract: A power distribution controller includes a solid state power controller (SSPC), a power system, and a backup power system. The SSPC is configured to selectively deliver a first power from a first power source to at least one electrical load. The power system is in signal communication with the at least one SSPC. The backup power system includes a first output in signal communication with the SSPC and a second output in signal communication with the power system.

Abstract: A system includes a first AC bus configured to supply power from a first AC power source. A second AC bus is configured to supply power from a second AC power source. A first transformer rectifier unit (TRU) connects a first DC bus to the first AC bus through a first TRU contactor (TRUC). A second TRU connects a second DC bus to the second AC bus through a second TRUC. A first voltage sensor is connected to sense voltage of the first DC bus. A second voltage sensor is connected to sense voltage of the second DC bus. A ram air turbine (RAT) automatic deployment controller is operatively connected to the first voltage sensor and to the second voltage sensor to automatically deploy a RAT based on the combined status of the first voltage sensor and the second voltage sensor.

Abstract: A restraint apparatus operable by a user for restraining a limb of a person to a restraining point including a cuff having a first end and a second end. The cuff is operable between an open configuration and a closed configuration. The cuff is secured around the limb of the person in the closed configuration and the first end and the second end are separated from each other in the open configuration. At least one tether is attached to the cuff. The tether includes a coupler to couple the cuff to the restraining point when the cuff is in the closed configuration. The cuff is wearable by a least a portion of a hand of the user in the open configuration.

Abstract: A battery charging system for a hybrid electric powerplant can be configured to determine a maximum available charging power available from windmilling and/or excess thermal engine power available, and to use up to the maximum available charging power and/or the excess thermal engine power available to charge a battery. In certain embodiments, a control module can be configured to determine the maximum available charging power available from windmilling.

Abstract: Described herein are solid state 17?-ethynylandrost-5-ene-3?,7?,17?-triol including amorphous and crystalline forms and specific polymorphic forms thereof, and use of solid state 17?-ethynylandrost-5-ene-3?,7?,17?-triol in treating numerous diseases and disorders, including hyperglycemic conditions, such as type 2 diabetes and metabolic syndrome, autoimmune conditions, such as rheumatoid arthritis, ulcerative colitis and type 1 diabetes, among other inflammation related conditions, and neurodegenerative conditions in subjects or human patients.

Abstract: A control system for an electric motor powered by a battery can be configured to receive an input power or torque command corresponding to a commanded power or torque. The control system can be configured to determine if the battery is capable of supplying and/or permitted to supply the commanded power or torque over a time period based on a state of charge (SOC) of the battery. The control system can be configured such that if the battery is capable of supplying and/or permitted to supply the commanded power or torque over the time period, the control system outputs the input power or torque command, and such that if the battery is not capable of supplying and/or not permitted to supply the commanded power or torque over the time period, the control system outputs an available maximum power or torque command corresponding to an available maximum power or torque over the time period that is less than the commanded power or torque.

Abstract: A control system for an electric motor powered by a battery can be configured to receive an input instantaneous power or torque command corresponding to a commanded instantaneous power or torque. The control system can be configured to determine if the battery is capable of supplying and/or permitted to supply the commanded instantaneous power or torque based on a state of charge (SOC) of the battery. The control system can be configured such that if the battery is capable of supplying and/or permitted to supply the commanded instantaneous power or torque, the control system outputs the input instantaneous power or torque command, and such that if the battery is not capable of supplying and/or not permitted to supply the commanded instantaneous power or torque, the control system outputs an available maximum instantaneous power or torque command corresponding to an available maximum instantaneous power or torque that is less than the commanded instantaneous power or torque.

Abstract: A patient support apparatus for removably retaining differently-sized portable electronic devices. The patient support apparatus comprises a base, a litter with a patient support deck for supporting the patient, and a side rail. The side rail is coupled to the litter and arranged for movement relative to the base. The side rail includes a caddy comprising a back, a first brace, and a second brace spaced from the first brace. The first brace extends laterally from the back and defines a first bottom support region. The second brace extends laterally from the back and defines a second bottom support region converging toward the first bottom support region to arrange the first and second bottom support regions to provide differing points of contact for retaining differently-sized portable electronic devices.