17 results about "Analog computer" patented technology

A computer-implemented method of simulating a propagation of a malware through a set of computer systems, the method comprising: identifying a simulated computer system infected with a simulated malware; determining a first signature of the simulated malware; determining that a mutation condition for the simulated malware has been met; and in response to determining that the mutation period has been met, changing the first signature of the simulated malware to a second signature.

An operator learning model generator is provided for training a smoothed operator learning model for predicting airflow dynamics in a room used by a controller connected to a heating, ventilation, and air conditioning (HVAC) system. The operator learning model generator includes an interface circuit configured to receive a training dataset via a network connected to a simulation computer, wherein the training dataset includes un-trajectories of airflow in the room for various time series of control actions applied to the HVAC system; a memory configured to store the smoothed operator learning model including an autoencoder and a neural ordinary differential equation, the training dataset, and training instructions for the smoothed operator learning model; and a processor configured to train the smoothed operator learning model stored in the memory, wherein the training instructions include jerk regularization that constrains smoothness of dynamics predicted by the smoothed operator learning model.

The invention discloses an image seeker tracking performance test method based on a simulated moving target, which comprises the following steps of: generating a simulated target and a moving track through a target simulation computer, projecting the simulated target and the moving track to a curtain, and tracking the simulated target on the curtain by an image seeker to realize the tracking speed precision and the maximum tracking speed test; then the size of the target under the tracking distance is obtained through calculation, the target simulation computer generates a simulation target and a motion trail and projects the simulation target and the motion trail to the curtain, the image seeker tracks the simulation target on the curtain through the reflective collimator, and tracking distance testing is achieved. A dynamic simulation target is provided for image seeker tracking, meanwhile, external field environment factors such as target definition, light intensity and target shielding are introduced, and the method has the advantages that the testing method is simple, the testing environment is easy to build, and online tracking debugging and synchronous testing are facilitated.

A switchless computer mouse comprising: a keyplate operable to be depressed over a range of motion; a conductive element coupled to the keyplate; a sensor configured separate from the conductive element; a haptic element; and one or more processors operable to: control the sensor to detect a position of the conductive element over the keyplate range of motion; and control the haptic element to generate a haptic feedback when the sensor detects that the position of the conductive element corresponds to a preset threshold position within the range of motion.

The invention discloses a flight-engine coupling-based propulsion system simulation architecture, relates to the technical field of aircraft simulation, and is used for solving the technical problem of dynamic response mismatch of a flight control system and an engine in an existing simulation platform. The flight-launch coupling-based propulsion system simulation architecture comprises a propulsion terminal module, a flight management computer module, an engine simulation computer and a pilot cockpit system, the propulsion terminal module is provided with a sequential logic and state management mechanism and is used for simulating an execution unit response process and a fly-by-wire accelerator process when the aircraft is started; the flight management computer module is used for carrying out automatic control and resolving functions and carrying out automatic accelerator resolving, accelerator mode switching and flight launching instruction management; the engine simulation computer is used for performing dynamic simulation tasks of an engine control system and engine performance; and the pilot cockpit system is used for receiving pilot operation input and displaying state feedback of the simulation architecture.

This application provides a dental simulation workbench training system and method based on spatial computing technology, for solving problems that prior simulator only supports single-player use, only trains based on an oral model, lacks full-process doctor-patient communication. A virtual-real fusion head-mounted display acquires positioning data of physical objects in real space. A situation observation server arranges virtual entities and generates a scene file. A simulation computer generates a mixed-reality treatment scenario, a virtual patient, and dental instruments from the scene file, allowing a complete patient journey, from entry to the end of treatment, to be replicated. Force sensation information is generated, and both poses of a force tool and a virtual tool are controlled to match with a pose of a force feedback tool. A user wears the head-mounted display to perform treatment. Multiple people are supported to watch the treatment of the same dental simulation workbench through a network.

A method to debug instruction execution errors in a simulated computer system is provided. The method includes generating two separate simulations of the same system and causing a code including a set of instructions to execute on the two separate simulations. The computer implemented method further includes performing an efficient trace operation starting from a start instruction to an end instruction of the set of instructions on the two separate simulations. When trace operation is performed, an instruction execution deviation is identified between the code executed in the two separate simulations by comparing checksum values at a reporting frequency, determining that the comparison of the checksum values indicates a mismatch, and using instruction count and the reporting frequency to capture at least one instruction leading up to the instruction execution deviation.

A polyhedral reduced-order model (ROM) generator is provided for use by an optimization controller in a heating, ventilation, and air conditioning system. The physical model generator includes: interface circuitry for receiving a training dataset via a network connected to an analog computer; a memory for storing the polyhedral ROM for predicting the dynamics of airflow in a room, the training dataset, and instructions for calculating parameters of the polyhedral ROM; and a processor for calculating the parameters of the polyhedral ROM. The computation includes computing a global projection operation from a higher-dimensional state to a reduced-order state, computing a global lifting operation from the reduced-order state to a higher-dimensional state, constructing a local reduced-order model of the reduced-order state dynamics for each physical parameter value in the training dataset, and generating the polyhedral ROM by combining a weighted average of the local reduced-order model with the projection and lifting between the reduced-order state and the full state.

A compact flight simulation system uses a flight simulation platform having a base and a simulator cabin positioned above the base. A plurality of actuators is connected between the base and a side of the simulator cabin in a location on the side of the simulator cabin substantially corresponding to a center of mass of the simulator cabin. The simulation system has a simulation computer receiving flight control signals from the simulator cabin and outputting a simulated flight state to an actuation controller, wherein the actuation controller controls movement of the plurality of actuators. The compact flight simulation system provides a motion platform design with maximal range within a constrained space, a motion cueing optimized motion envelope, and dynamic characteristics.

A method and system for executing external software code with a computer application. The method includes generating test data inputs based on values of interest in the external software code; generating simulations, including simulation parameters based on the values of interest in the external software code, to emulate the behavior of the computer application; executing the external software code in test iterations, using the test data inputs and simulations, in a sandbox environment isolated from a production environment; monitoring a line coverage of the external software code during the execution of the external software code; determining whether the line coverage of the external software code meets the predetermined completion threshold value; and in response to determining that the line coverage of the code meets the predetermined completion threshold value, verifying the external software code for use with the computer application in the production environment, and executing the external software code.

A switchless computer mouse comprising: a keyplate operable to be depressed over a range of motion; a conductive element coupled to the keyplate; a sensor configured separate from the conductive element; a haptic element; and one or more processors operable to: control the sensor to detect a position of the conductive element over the keyplate range of motion; and control the haptic element to generate a haptic feedback when the sensor detects that the position of the conductive element corresponds to a preset threshold position within the range of motion.

The invention relates to a system having a sensor simulation computer for calculating model data, an ESI unit for generating sensor raw data, and a switching device, the sensor simulation computer having a first connector (5) and a second connector (6), two lines (7) being connected to the first connector and four lines (7) being connected to the second connector, the ESI unit has a receiver (8) to which four lines (7) are connected, a switching device is connected between the first connector and the receiver and between the second connector and the receiver, and the switching device is designed and controllable in such a way that two lines (7) connected to the first connector and two lines (7) connected to the second connector can be connected to the four lines (7) connected to the receiver, or the four lines (7) connected to the second connector can be connected to the four lines (7) connected to the receiver. In this way, a system is provided that can accommodate various requirements in a simple manner.

A system comprising a sensor simulation computer for calculating model data, an ESI unit for generating raw sensor data and a switching device. The sensor simulation computer has a first DisplayPort connector and a second DisplayPort connector. Two DisplayPort lines are connected to the first DisplayPort connector and four DisplayPort lines are connected to the second DisplayPort connector. The ESI unit has a DisplayPort receiver to which four DisplayPort lines are connected. The switching device is interposed between the first and second DisplayPort connectors and the DisplayPort receiver. The switching device can be configured such that either the two DisplayPort lines connected to the first DisplayPort connector and two DisplayPort lines connected to the second DisplayPort connector are connectable to the four DisplayPort lines connected to the DisplayPort receiver, or the four DisplayPort lines connected to the second DisplayPort connector are connectable to the four DisplayPort lines connected to the DisplayPort receiver.

This invention provides a simulation analysis and calculation method for the preheating of lubricating oil during the start-up of a reciprocating piston compressor. The method includes the heating efficiency of the lubricating oil, the heat dissipation power of components, and the heating power of components. Using CFD software, considering the effects of ambient temperature, thermal radiation, forced air convection, and heat conduction, it simulates the average surface temperature and body temperature of the compressor body, and calculates the total power required for heating the lubricating oil. It can accurately simulate the heating of the compressor body and its heat loss under different ambient temperatures, and accurately calculate the heater power required to heat the lubricating oil to a predetermined temperature within a predetermined time, as well as the impact of different ambient temperatures on the total heater power. This provides a reference for selecting the power of the lubricating oil heater.

A compact flight simulation system uses a flight simulation platform having a base and a simulator cabin positioned above the base. A plurality of actuators is connected between the base and a side of the simulator cabin in a location on the side of the simulator cabin substantially corresponding to a center of mass of the simulator cabin. The simulation system has a simulation computer receiving flight control signals from the simulator cabin and outputting a simulated flight state to an actuation controller, wherein the actuation controller controls movement of the plurality of actuators. The compact flight simulation system provides a motion platform design with maximal range within a constrained space, a motion cueing optimized motion envelope, and dynamic characteristics.

A computer mouse comprising a keyplate; a first conductive element coupled to the keyplate; a second conductive element coupled to the keyplate; a first sensor element configured to detect a first magnetic field generated by the first conductive element and generate first sensor data; a second sensor element configured to detect a second magnetic field generated by the second conductive element and generate second sensor data; and one or more processors configured to: determine a position of the keyplate based on the first sensor data; and mitigate interference by a third ambient magnetic field via common mode rejection based on a difference value of the first sensor data and the second sensor data.

The purpose of the present disclosure is to verify the function of a locator system. A locator system simulator (101) comprises: a computer (10) that generates a travel scenario in which a vehicle travels on a virtual road; and a real-time simulator (20) that simulates, in real-time, travel of the vehicle along the travel scenario. The computer (10) comprises a travel scenario generation unit (14) that generates a travel scenario on the basis of map data (12) and travel condition data (13). The real-time simulator (20) is provided with a model for simulating, in real time, the travel of the vehicle, and when a travel scenario is input into a model, the real-time simulator (20) acquires, as an output of the model, a position estimation signal that is a signal necessary for a locator ECU (30) to estimate the position of the vehicle, and inputs the position estimation signal into the locator ECU (30).