Abstract: An electrical emulator system includes an emulator assembly comprising an emulator circuit board for emulating a component forming part of a modeled electrical system. The emulator circuit board includes an inverter mounted to the emulator circuit board, a set of input terminals electrically connected to the inverter, a set of output terminals electrically connected to the inverter and a processor electrically connected to the inverter and configured to control the inverter so as to provide emulation of a component of the modeled electrical system. A docking station includes a set of docking terminals for emulated line power. The docking station comprises guides to receive the emulator circuit board and align the set of input terminals and the set of output terminals to selected docking terminals of the set of docking terminals.

Abstract: A current testing device including a housing assembly, an electrical assembly and a circuit board assembly is disclosed herein. The housing assembly includes a housing that encloses the electrical assembly. The electrical assembly includes a battery, a microprocessor, a display, a keypad, a power button, an electrical port, and test cables. The microprocessor permits the user to simulate a fuse. The microprocessor has a memory in which a predetermined catalogue of fuses characteristics is stored. The user connects the test cables to a circuit board where the fuse is blown. The keypad allows the user to type the simulation characteristics while the display shows the results of the simulation.

Abstract: A mechatronic training and simulation system and method of detecting and resolving complex control system errors in automation-driven process that replicates a scaled factory. The system provides student work stations that allow students to monitor, analyze and repair an automation-driven process. The automation-driven process includes at least one scaled model factory station simulator such as: a robot station, a warehouse station, a furnace processing station, and error checking color sorting station. A problem interjecting device to introduce errors to the automation-driven process through discrete I/O interfacing to interrupt process flow by breaking inputs and breaking outputs. Students at the student work stations, independently or concurrently, analyze and repair interruptions in automation-driven process through use of interface software and electrical measurement instruments.

Abstract: Provided herein is a bone repair composition that is composed of periosteum containing an angiogenic growth factor(s), cancellous bone chips containing viable osteogenic cells, and, optionally, demineralized bone matrix (DBM) chips. Also provided herein are articles of manufacture and methods of use thereof to treat bone defects.

Abstract: An apparatus and method for providing cyber-crisis response training based on augmented reality. The method for providing cyber-crisis response training based on augmented reality, performed by the apparatus for providing cyber-crisis response training based on augmented reality, includes setting a type of cyber-crisis response training, providing one or more trainee terminals with a cyber-crisis response training environment corresponding to the set type of cyber-crisis response training, receiving a response to the cyber-crisis response training environment from the trainee terminal, generating facility situation information based on state information of a target facility for which the cyber-crisis response training is being conducted and on training situation information corresponding to the cyber-crisis response training environment and the response, and outputting the facility situation information using an augmented-reality image corresponding to the target facility.

Abstract: A system and method for providing student performance alerts in an online learning environment is provided. An online learning environment is monitored. A score for a test taken by a student at a first time is received. One or more previous scores for previous tests taken by the student at previous times are obtained. The score is compared with one or more of the previous scores to determine a difference between the score and the one or more previous scores. A change threshold is applied to the difference and the difference is determined to be significant when the difference is outside the threshold. An alert for the significant difference is transmitted to one or more recipients associated with the student.

Abstract: A method and system for maintaining an item of equipment supports the provision of predictive maintenance in a manner which eliminates or reduces downtime of the equipment. The method includes tracking performance data on the equipment or a particular component of the equipment. At least one required maintenance activity is predicted based upon the performance data with respect to a defined performance standard. Performance of the required maintenance activity is scheduled at a defined respective time based upon the prediction.

Abstract: A method of providing a software application to different network clients from a server including maintaining one or more sets of state data, each set of state data describing the state of an instance of an application, each instance of an application corresponding to one or more network clients, updating the sets of state data in accordance with applications running on one or more computers connected to the server via a local area network and for at least one of the sets of state data generating an interface based on the set of state data and transmitting the generated interface to the corresponding network client(s).

Abstract: A self-contained training device for simulated personnel entry, exit and rescue in confined space scenarios. The device features an enclosed tank mounted on a truck trailer. The tank has at least one top portal and at least one side portal for entry and exit. An enclosed pipe is situated within the tank and has separate points of entry and exit. The top of the tank features a walkway and handrail.

Abstract: A method and system for maintaining an item of equipment supports the provision of predictive maintenance in a manner which eliminates or reduces downtime of the equipment. The method includes tracking performance data on the equipment or a particular component of the equipment. At least one required maintenance activity is predicted based upon the performance data with respect to a defined performance standard. Performance of the required maintenance activity is scheduled at a defined respective time based upon the prediction.

Abstract: A method of simulating the effects of one or more explosive events utilizes a mapping of graphically-valued dots to describe the explosive event at detonation at a plurality of (x,y) positions. A degradation rule is applied to the mapping of dots at each of times tn, for n=1 to N, to yield corresponding mappings of degraded value dots. The degradation rule specifies how the mapping of dots at detonation changes with time. The mapping at detonation and mappings of the degraded value dots are then simultaneously displayed in (x,y) registration with one another.

Abstract: A hydraulic demonstration apparatus is disclosed having a hydraulic system including a reservoir, an inlet line and an outlet line. A valve at the inlet line is included for introducing air so as to create aeration in the hydraulic system. A restricting valve is provided at the inlet line for creating cavitation in the hydraulic system. A hydraulic pump is provided having a clear cover for observing the effects of aeration and cavitation inside the pump. A flow meter having a clear housing is provided for observing the air in the system and the reduction of pump efficiency caused by aeration. The demonstration apparatus can be mounted on a movable cart.

Abstract: The invention features an engine operation simulation system for training maintenance and service personnel to diagnose and repair engines. The engine operating simulation system utilizes an actual electronic control unit for controlling an engine. A processor is provided to perform an simulation of engine operating parameters. The processor interfaces with the engine electronic control unit. A mechanism is provided for generating inputs and is connected to the processor and to the engine electronic control unit to provide parameters that represent engine operating characteristics. The parameters are applied to the engine electronic control unit. The input generating mechanism provides a plurality of simulated input signals that monitor the engine operation. There is also provided a mechanism for simulating a malfunction in the engine so that the processor can alter the desired operating parameters.

Abstract: An apparatus for simulating a multimode meter having a pair of test leads, a function switch, and a range select switch is provided. The simulated multimeter apparatus is fed by digital display data signals and provides a numeric display representative of a number corresponding to digital data display signals. Further, the simulated multimeter apparatus is fed by a plurality of switch signals which correspond to predetermined locations of the function and range select switches and fed by an input data stream corresponding to simulated electrical parameter values, related to the values of the functions switch and the range switch, for converting the input data stream into the digital display data signals.

Abstract: An educational device for teaching humanistic values to a child is in the form of a toy manufactured with at least one recognizable abused condition or defect. The toy is packaged and marketed with repair apparatus enabling a child to permanently substantially eliminate the abused condition and effective upon completion of the repair to leave permanent visual reminder of the original abused condition.

Abstract: The invention is directed to a fault triggering component for life-sustaining systems such as ventilating apparatus and anesthesia apparatus. The fault triggering unit is adapted so as to be connectable to or exchangeable with one of the standard plug-in components of the system. The fault triggering unit includes at least one remote-controllable drive member and this drive member is connected to a movable triggering component which triggers at least one fault with its movement. A circuit arrangement for assembling a training program for a ventilating apparatus having a lung simulator is also disclosed.

Abstract: A training or servicing kit comprises a portable electronic simulation of an apparatus, the simulation including manually operable means to sense and/or control parameters of the simulation, and a computer with associated software serving in use to lead an operator through a training or servicing programme in dependence upon the values of parameters determined by the operator by means of the manually operable means.

Abstract: Instructional apparatus for training automotive service technicians in the skills required for isolating, identifying and repairing malfunctions in sophisticated automotive electronic systems uses a group of electronic circuit modules wherein each module simulates at least a portion of an automotive electronic circuit and one or more modules may be connected to form more complex circuits. One or more jumper wires associated with each of the modules may be altered by an instructor to create at least one fault condition representative of an electrical malfunction in the circuit associated with the module.

Abstract: An interactive and programmable tone generator with scenarios is disclosed nd described as a training device. Sounds are recorded as they are heard in their actual environment. The recording then can be combined with a coded track that triggers a graphics demonstration previously prepared from notations taken during the recordings that describe the actual environment that corresponds to the respective sound. Also, selections can be taken from the recording that present a best example of a sound to be learned, looped for repetition, and then rerecorded digitally onto micro-floppy diskettes. When played-back the diskettes provide challenging interactive training for the novice and expert alike in a variety of available modes using both computer generated graphics and sounds reconverted from digital storage.

Abstract: The changeable modular training system disclosed in U.S. Pat. No. 4,623,312 is extended to include an energy management microprocessing unit, i.e. CPU, a keyboard, a video screen, a remote sensor, and a microprocessing interface unit, to create an energy management microprocessing training system. These added components are formed in the same size modules and/or are interconnected, where needed, by the same electrical connectors and the same peg and slot supports as used in the changeable modular training system. This energy management microprocessing training system is used when students are taught how to program, operate, install, service, and troubleshoot mechanical and electronic control systems in a classroom, when using simulated control systems.

Abstract: A pelvimetry phantom is assembled from components permitting replication of all of the pure and mixed pelvic types.

Abstract: A computer controlled training simulator for a thermal power plant includes a switching device for selecting interactive or independent operation of a boiler simulation section, a turbine simulation section and a generator simulator section. In the interactive mode, the boiler, turbine and generator sections operate as corresponding sections of a single power plant for training operators of the respective sections. In the independent mode, the individual sections are operated as the corresponding sections of three separate power plants so that training of operators of each section can proceed without delays associated with functions of the other two sections.

Abstract: A module for use in a training system assembly which includes a power base is multi-sided and includes mechanical-electrical feet on one side for jacking the module into the power base or into a second module. Detent spring latches are disposed on another side of the module for receiving the feet of a second module atop the first module. The module is hollow and an electrical component is mounted therein. The component is an electrical connection with the feet and the detent spring latches. A display is on a third side of the module and the rear of the module includes a fault selector switch which causes the component to be in either an operating configuration or a fault configuration.

Abstract: A simulator can simulate a multi-stage industrial plant that is controllable by a digital control and digital programmer for affecting plant operation. The simulator has a plurality of indicators mounted on a console for producing indications in response to display signals applied to the indicators. Also, a plurality of manually operated controls are mounted on the console for allowing production of manual signals. The simulator also has a computer coupled to the indicators for providing to them their display signals. The computer is also coupled to the manually operable controls for receiving their manual signals. The computer can respond to the manual signals of predetermined ones of the manually operable controls to provide a programmed array of processed values sized to simulate parameters existing during operation of the industrial plant. Given ones of this array of values are applied to specified ones of the indicators for providing their indication.

Abstract: A simulation system for a fossil fuel power plant simulator. The simulation system includes first, second, and third displaying means for respectively displaying selected simulated flame characteristics within the furnace, emission density images from the smokestack, and water/steam levels as indicated by a steam drum level indicator of the power plant. A computer correlates the images displayed on the first, second, and third displaying means such that a change in the operating level of the power plant causes corresponding changes in the simulated flame characteristics, emission density images, and water/steam level.

Abstract: A simulated nuclear energy power plant system with visible internal working components comprising a reactor adapted to contain a liquid with heating elements submerged in the liquid and capable of heating the liquid to an elevated temperature, a steam generator containing water and a heat exchanger means to receive the liquid at an elevated temperature, transform the water to steam, and return the spent liquid to the reactor; a steam turbine receiving high energy steam to drive the turbine and discharging low energy steam to a condenser where the low energy steam is condensed to water which is returned to the steam generator; an electric generator driven by the turbine; indicating means to identify the physical status of the reactor and its contents; and manual and automatic controls to selectively establish normal or abnormal operating conditions in the reactor, steam generator, pressurizer, turbine, electric generator, condenser, and pumps; and to be selectively adjusted to bring the reactor to acceptable o

Abstract: A simulator and signal processing system for interactive simulation or signal processing of models of complex dynamic systems includes a range of basic hardware processor modules, each of which simulates or signal processes a system element corresponding e.g. to the symbols of System Dynamics. The hardware processor modules are placed in sockets arranged in regular rows and columns on an electronic planning board to form a flow diagram structure of the dynamic system to be simulated or signal processed. The electronic planning board comprises power lines for energizing the hardware processor modules and a high bandwidth local bus structure which transfer information signals between neighoring modules placed on the electronic planning board. The simulator and signal processing system permits a constant low simulation or signal processing time irrespective of the size or complexity of the model to be simulated or signal processed.

Abstract: The training aid described herein is used to train operators of equipment, generally heavy mobile equipment, and comprises a briefcase-sized unit having a connector cable within releasably connects to the control systems and indicators on the vehicle, which have been modified in several ways. The control unit in the briefcase is capable of either simulating one or more abnormal conditions in the equipment by overriding normal readings such as on indicators, meters or alarms, or additionally actual abnormal conditions can be created in the equipment by degrading brakes, the retarder system, hydraulic steering mechanism, or actually killing the engine or the propulsive power of the unit.

Abstract: A maintenance training system capable of precisely simulating both the inner and the outward functions of original electronic equipment is realized by utilizing a programmable waveform generator, a microcomputer and interfacing input/output circuits in a modular design that can be adapted to use with virtually any desired electronic system maintenance trainer. The system provides genuine waveform generation and display in a real time maintenance trainer with positive input/output control through line replacable unit read/write modules. The programmable waveform generator develops analog waveforms from digital control and picture data received from the micro-computer. The analog outputs of the programmable waveform generator drive the maintenance trainer's external meters, displays and oscilloscope and can be programmed to simulate point by point circuit tracing of the original electronic equipment.

Abstract: This disclosure illustrates and describes a system that permits a student to receive hands-on maintenance training of electronic systems without interfering with the operation of the electronic system. The students are taught how to repair and maintain the electronic system by trying to locate defective simulated components that may be used to drive and control the electronic system. The simulated components are controlled by a computer and they will only malfunction when an instructor enters an instruction into the computer which causes that particular electronic component to be defective.

Abstract: A simulated open circuit on high current electrical lines is generated, such that high currents, including transient currents, do not interact with and adversely effect the low current digital computer electronics which control the simulation. A bi-directional triode thyristor in its non-conducting state is triggered to enter its conducting state allowing current to flow through the thyristor and to trip a circuit breaker connected to the output of the thyristor. The tripping allows the thyristor to reset itself to its non-conducting state and to be ready for any new triggering signal.

Abstract: Biological agents such as secretory cells are encapsulated in a hydrophilic gel made of agarose or collagen-agarose and gelatin sponge-agarose combinations. In a preferred embodiment, semi-solid beads are formed from a suspension containing collagen, agarose and secretory cells such as pancreatic islets, the collagen is polymerized to form solid, agarose-collagen beads and the solid beads are coated with agarose. Coating is preferably by rolling the solid beads in about 5-10% agarose, contacting the rolled beads with mineral oil and washing oil from the beads. Beads containing secretory cells can be transplanted into a mammal to treat a condition caused by impaired secretory cell function.