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| Number | Title | Issue Date |
| 6141634 | AC power line network simulator In an illustrative embodiment, the AC power line network simulator includes an enclosure for containing elements of the system. An AC coupling network coupled to the network simulator implements the functions relating to a particular simulation. A distrib... | 10/31/2000 |
| 6134513 | Method and apparatus for simulating large, hierarchical microelectronic resistor circuits A computer implemented method for simulating a resistive circuit, including a plurality of macro circuits that are arranged hierarchically. The method includes the steps of reading a netlist description of the resistive circuit and recursively traversing ... | 10/17/2000 |
| 6096089 | Power simulation system, power simulation method and computer-readable recording medium for recording power simulation program A power simulation system comprises a tracing unit for receiving an instruction sequence of an object program and generating trace information of the object program, a stall information detecting unit for receiving the trace information generated by the t... | 08/01/2000 |
| 6094527 | Method and apparatus for estimating IC power consumption A method and an apparatus are provided for estimating electric power consumption of integrated circuits from the values of power consumption by basic cells and mega cells. Power consumption is estimated based on logic simulation results and power consumpt... | 07/25/2000 |
| 6090151 | Electronic device parameter estimator and method therefor A process (20) and design tool (62) are presented for the accurate prediction of design parameters (42) for components (38) of an integrated circuit (22) during the early stages of the design of that integrated circuit (22). These predicted design paramet... | 07/18/2000 |
| 6072932 | Method and apparatus for connectorizing fiber optic cable A method for connectorizing fiber optic cables includes arranging a plurality of connectorized optical fiber jumpers having first and second opposed ends, such that the first end of each jumper is in parallel alignment with respect to the first end of eac... | 06/06/2000 |
| 6066177 | Method and apparatus for calculating delay for logic circuit and method of calculating delay data for delay library In a delay-power-source-coefficient determining step, a drain saturation current in a P-channel MOSFET is calculated on the basis of specified operating power-source voltage data and of saturation-current parameters such as the mobility of carriers and th... | 05/23/2000 |
| 6063130 | Circuit simulation method In a circuit simulation method, circuit information of an electronic circuit to be simulated is inputted, and whether or not a linear circuit element circuit included in the electronic circuit is passive, is discriminated. For this discrimination, an indu... | 05/16/2000 |
| 6056782 | Synchronous machine simulator and synchronous machine simulation method A synchronous machine simulator and a method of simulation convert real three-phase instantaneous voltage values into spiral vectors and calculate a positive-sequence component current based on the conversion results, to obtain real instantaneous values o... | 05/02/2000 |
| 6038381 | Method and system for determining a signal that controls the application of operands to a circuit-implemented function for power savings A computer-implemented process for determining a signal function for use in controlling the application of signal operands to a circuit-implemented function for the purpose of power reduction. The present invention receives a netlist represented as a grap... | 03/14/2000 |
| 6012835 | Apparatus and method of powerline surveying, designing in 3D and maintenance An apparatus for powerline designing and maintenance provides assistance for the initial design of overhead powerlines and their maintenance. The apparatus includes a device for measuring the initial ground profile along a proposed route, and for defining... | 01/11/2000 |
| 5963734 | Method and apparatus for configuring an intelligent electronic device for use in supervisory control and data acquisition system verification Method and apparatus for performing point to point verification of devices in a SCADA system are provided. An intelligent electronic device (IED), having two modes of operation--normal and simulation--provides simulated IED data to a SCADA device on comma... | 10/05/1999 |
| 5953238 | Method for generating control system setpoints with implicit dependencies A method for modeling linear control systems that are asymptotically stable provided that any initial deviation is within a definite bound is described. The method includes the steps of generating a parametric model of the quasi steady state system, gener... | 09/14/1999 |
| 5933345 | Method and apparatus for dynamic and steady state modeling over a desired path between two end points A method for providing independent static and dynamic models in a prediction, control and optimization environment utilizes an independent static model and an independent dynamic model. The static model is a rigorous predictive model that is trained over ... | 08/03/1999 |
| 5920727 | Timer-controlled computer system shutdown and startup A system for managing power levels for a general purpose computer having a standby and a full-power mode of operation provides apparatus and a method for monitoring times of user input and control routines for using the times of user input to calculate op... | 07/06/1999 |
| 5903476 | Three-dimensional power modeling table having dual output capacitance indices A system and method for modeling power consumed by a logic cell in a estimation process over an integrated circuit, represented by logic cells and connections between cells, using a three dimensional power modeling table (3-D power table). The 3-D power t... | 05/11/1999 |
| 5889685 | Method and apparatus for automatically characterizing short circuit current and power consumption in a digital circuit Short-circuit current and power consumption for an integrated circuit may be calculated by measuring short-circuit current for various cells within an integrated circuit using a Verilog™ logic level model of the cell. Each cell within an integrated circ... | 03/30/1999 |
| 5828576 | Power monitor apparatus and method with object oriented structure An object oriented architecture is used within individual monitoring units. The monitoring devices include circuitry which receives an electrical signal and generates at least one digital signal representing the electrical signal. Objects within such indi... | 10/27/1998 |
| 5815416 | Method of measuring energy consumption in a circuit simulator In a computer implemented circuit simulator, a method is provided for measuring energy consumption of a circuit under test during a measurement interval. The method comprises a series of computer implemented steps. A supply voltage is applied to the circu... | 09/29/1998 |
| 5812422 | Computer software for optimizing energy efficiency of a lighting system for a target energy consumption level A method for optimizing the energy efficiency of a lighting system including a plurality of light sources, which includes the steps of defining a set of parameters for the lighting system, and using a linear programming technique, taking into account the ... | 09/22/1998 |
| 5808896 | Method and system for creating a netlist allowing current measurement through a sub-circuit A system and method for manipulating a netlist, at the time that the netlist is being created, to permit measurement of current flow through a net, or combination of nets, of a sub-circuit during a subsequent simulation process, the manipulation of the ne... | 09/15/1998 |
| 5798939 | System for optimizing power network design reliability A computer workstation-based interactive tool for assessing the reliability of power systems is disclosed. This tool can be used to determine the effect on the reliability of both substations and bulk generation and transmission systems of system addition... | 08/25/1998 |
| 5796638 | Methods, apparatus and computer program products for synthesizing integrated circuits with electrostatic discharge capability and connecting ground rules faults therein A method, apparatus and computer program product for synthesizing and correcting ESD and EOS ground rules faults in integrated circuits generates a representation of a first functional circuit element (e.g., logic gate) connected to a representation of a ... | 08/18/1998 |
| 5796982 | Switching regulator, an information processing apparatus and a control method for the same An information processing device, such as a notebook computer, having a plurality of subsystems requiring power input, is provided with a switching regulator for supplying power to these various subsystems. The switching regulator is controlled by a feedb... | 08/18/1998 |
| 5666297 | Plant simulation and optimization software apparatus and method using dual execution models A software system simulates and optimizes a processing plant design. The software system includes a plurality of equipment models for simulating each piece of equipment in the processing plant design. A sequential modular simulation routine executes the e... | 09/09/1997 |
| 5634039 | Method and management system for controlling, monitoring and regulating complex industrial processes in particular, such as in a nuclear power plant A method is provided for controlling, monitoring and regulating processes in industrial plants, especially complex industrial processes, such as plant management in failure mode situations in a nuclear power plant. Robots provided as a computation program... | 05/27/1997 |
| 5619433 | Real-time analysis of power plant thermohydraulic phenomena A method and computer tool apparatus for determining the final state parameters of a power plant thermohydraulic system in which the thermohydraulic system is represented as a plurality of nodes having a flow regime map monitoring the thermodynamic system... | 04/08/1997 |
| 5604892 | Method for modeling a physical system of elements using a relational database An information model based on a physical system, such as the physical equipment in a power system. An object-oriented information model provides a generic power system model that may be applied to any of several specific applications. In the invention, ph... | 02/18/1997 |
| 5566085 | Stability transfer limit calculation in a power transmission network A transient or voltage stability transfer limit is calculated for a power network having at least two independent AC generators supplying a common load via separate AC transmission lines having at least one bus. Steady state values for variable characteri... | 10/15/1996 |
| 5557556 | Power plant simulation for waterborne vessel computer-assisted design and evaluation The present invention generally relates to the computer-assisted design of omplex systems and, more particularly, to the design and analysis of waterborne vessels, especially with respect to specific fuel consumption performance of the vessel engines. The ... | 09/17/1996 |
| 5349541 | Method and apparatus utilizing neural networks to predict a specified signal value within a multi-element system A method and apparatus for predicting a signal value for a target element within a multi-element system is disclosed. The method includes modeling the multi-element system by defining fundamental physical relationships between the target element and other... | 09/20/1994 |
| 5347466 | Method and apparatus for power plant simulation and optimization A system for simulating and optimizing a powerhouse, designed to furnish electrical power to a process plant, incorporates a plurality of units for simulating operation of the individual components of the powerhouse, and for calculating the cost of operat... | 09/13/1994 |
| 5317525 | Electric power system simulator An electric power system simulator comprising first calculator which calculates a generator dynamic characteristic, second calculator which calculates a load dynamic characteristic and third calculator which calculates power transmission condition of an e... | 05/31/1994 |
| 5262960 | Expert electrical power simulator A simulator (100) of an electrical power generating system in accordance with the invention includes a programmed electrical power system simulator (104) specifying at least one simulated electrical power generating element (200) for generating electrical... | 11/16/1993 |
| 5077685 | Method and apparatus for supporting the operation under radioactive rays Radioactivity exposure amount of workcraftmen is obtained through simulation by using an operation processor when the workcraftmen carry out work operation within an area under controlled radioactivity. The movement of the workcraftmen carrying out work o... | 12/31/1991 |
| 4977529 | Training simulator for a nuclear power plant A training simulator for the full-scope real-time dynamic operation of a nuclear power plant utilizes apparatus that includes control consoles having manual and automatic devices for operating simulated plant components and indicating devices for monitori... | 12/11/1990 |
| 4699753 | Reactor refueling machine simulator The responses of a nuclear reactor refueling machine to commands from a detachable control console are simulated to allow operation of the console for testing and operator training with the console removed from the machine. A simulator, which is connected... | 10/13/1987 |
| 4472804 | Method and means for reliability and maintainability analysis A failure simulation system utilizing fast failing units whereby system availability and reliability analysis can be completed in highly compressed periods of time. Each fast failing unit includes a random pulse generator and a variable failure rate pulse... | 09/18/1984 |
| 4064392 | Engineered safeguards systems and method in nuclear power plant training simulator A method and system for simulating the dynamic real-time operation of a nuclear power plant wherein a plurality of remote control devices provide input data to a digital computer to calculate physical values corresponding to plant operation to operate ind... | 12/20/1977 |
| 4042830 | Solid state programmable dynamic load simulator An improved system and technique for testing power source characteristics simulating dynamic load power demand requirements using pulsating current waves. A plurality of load devices are connected in parallel across the output of a selected power source ... | 08/16/1977 |
