Quotables
"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7363200 | Apparatus and method for isolating noise effects in a signal A matrix includes samples associated with a first signal and samples associated with a second signal. The second signal includes a first portion associated with the first signal and a second portion associated with at least one disturbance, such as white noise or co... | 04/22/2008 |
| 7319910 | Method and device for controlling a movement of a movable machine element of a machine tool or production machine A method and device for controlling a movement of a movable machine element of a machine tool or production machine with at least two drive axles are disclosed. At least one mechanical characteristic frequency is determined for each drive axle of the machine, and th... | 01/15/2008 |
| 7260451 | Air conditioner management system and converter unit therefor A converter unit connected to a monitor apparatus for monitoring and controlling a plurality of air conditioners, including: PAC transmission software for transmitting a setting data from the monitor apparatus regarding a running start/stop state, a running node, an... | 08/21/2007 |
| 7209938 | Kalman filter with adaptive measurement variance estimator A Kalman filtering technique employing an adaptive measurement variance estimator is disclosed. The Kalman filtering technique includes a signal filtering mechanism, the signal filtering mechanism futher includes a Kalman filter and a variance estimator. The varianc... | 04/24/2007 |
| 7193799 | Apparatus and method of removing resonance frequency in system An apparatus and a method to remove a resonance frequency of a system in which an unnecessary resonance frequency occurs in a head stack assembly (HSA) having a head for reading/writing data. The HSA is identified and filtered to prevent mechanical damage caused by ... | 03/20/2007 |
| 7158840 | Tuning control parameters of vibration reduction and motion control systems for fabrication equipment and robotic systems A method and apparatus is disclosed for acquiring and processing parameters used to adjust and tune a controller used, for example, to govern and compensate for motion, including vibrations and disturbances, in a physical system, such as a piece of manufacturing equ... | 01/02/2007 |
| 7150841 | Injection molding machine and method of controlling the injection molding machine An injection molding machine comprises a pre-pressure addition means 2 adding a pre-pressure B acting in the opposite direction of a molding material pressure A received by a screw 1 to a detection means 3 and/or the screw 1, the detectio... | 12/19/2006 |
| 7142930 | Disturbance estimated type control system, gas compressor control system and method of designing a disturbance estimated type control system A disturbance estimated-type control system has a control object based on a mathematical model having of one of a state equation and a transfer function and prepared by system identification technology. A disturbance estimating device is based on an expansion system... | 11/28/2006 |
| 7130716 | System of path planning for robotic manipulators based on maximum acceleration and finite jerk constraints A system for wafer handling employing a complex numerical method for calculating a path of wafer travel that controls wafer acceleration and jerk, and results in maximum safe speed of wafer movement from a first point to a second point. Motion is begun along a strai... | 10/31/2006 |
| 7114394 | Vibration test system and method for structures A vibration test system for structures comprises a vibration exciter that vibrates a real model portion, a load meter that measures a load, and a computer that receives a numerical model representing a numerical model portion. The computer includes a block that calc... | 10/03/2006 |
| 7107108 | Controller and method of controlling an apparatus using predictive filters In the field of electronic or computerised control apparatuses, known methods of compensating for disturbance signals rely on less than ideal analytical or empirical models. There is provided a controller (200) or method of controlling which observes and lear... | 09/12/2006 |
| 7092793 | Method and system for installation and control of a utility device A system and method is disclosed for configuring and administering control over operations of a utility device. The utility device is described herein as being a warewash machine, but other utility devices are contemplated. A warewash controller administers control ... | 08/15/2006 |
| 7088828 | Methods and apparatus for providing privacy for a user of an audio electronic device The invention is directed to techniques for suppressing the voice of a user of an audio electronic device, such as a mobile phone, from being heard by an unintended listener. In one arrangement, the invention includes an input microphone, an electronics module, and ... | 08/08/2006 |
| 7044314 | Nonlinear active control of dynamical systems A control system for reducing cargo pendulation. The control system calculates a correction factor and adds the correction factor for the operator input motions in addition to the motion of the platform in order to provide a reference position of the suspension poin... | 05/16/2006 |
| 7039476 | Control system with filtered dead zone A method of operating a control device having a setpoint value, an error signal, and a control output is disclosed. The error signal is representative of a difference between a controlled variable and the setpoint value, the control output operable to affect the con... | 05/02/2006 |
| 7024254 | Method for controlling a discrete system A system and method for controlling a controlled parameter that affects a target parameter of a target zone is disclosed. The method comprises providing a feedback control loop having a switching controller, a controlled device, and an averaging device. The controll... | 04/04/2006 |
| 7013832 | Arrangement for damping of structural resonance A hull (11) has mounted thereon a number of accelerometers (20) arranged to provide a data signal corresponding to movement or vibration of the hull (11) to which each is fixed. The hull (11) and/or a thrust block (18) has mounted ... | 03/21/2006 |
| 6970750 | Model-free adaptation of a process controller An adaptive process controller drives a process variable to be substantially equivalent to a set point and adapts the controller gain, the controller reset, and/or the controller rate, based on model free adaptation. The adaptive controller combines a controller gai... | 11/29/2005 |
| 6961796 | Extendable bus interface A bus interface circuit arrangement and method. In various embodiments, a bus interface circuit arrangement interfaces with a bus functioning in accordance with a bus protocol. The bus interface circuit arrangement includes a bus interface circuit having a port arra... | 11/01/2005 |
| 6959219 | Control apparatus having a limit cycle auto-tuning function A control apparatus includes a manipulated variable output unit, calculation unit, first lower limit setting unit, first upper limit setting unit, second lower limit setting unit, second upper limit setting unit, and controlling element. The manipulated variable out... | 10/25/2005 |
| 6957109 | Distributed control system and filtering method used in the distributed control system In a distributed control system in which a plurality of nodes are connected to a transmission line, each node controlling components connected to this node and transmitting a message to other nodes, a message sent by each node includes at least two message-sending c... | 10/18/2005 |
| 6950741 | Plant controller for frequency-shaping response-designating control having a filtering function A plant controller controls a plant modeled in a discrete-time system. The controller uses a frequency-shaping response-designating control algorithm having a filtering function to cause a difference between output of the plant and a target value to converge. Thus, ... | 09/27/2005 |
| 6934647 | Efficient sampling of digital waveforms for eye diagram analysis Method and apparatus for determining at least one characteristic of a digital data signal. The method includes identifying at least one region of a waveform such as an Eye Diagram that contains information for determining at least one characteristic of interest of t... | 08/23/2005 |
| 6920378 | Command generation combining input shaping and smooth baseline functions One preferred embodiment of the invention provides systems and methods for controlling a physical system by generating an input to the physical system that does not excite unwanted dynamics. Briefly described, one embodiment of the system among others, can be broadl... | 07/19/2005 |
| 6912433 | Determining a next tool state based on fault detection information A method and apparatus are provided for determining a next tool state based on fault detection information. The method comprises receiving operational data associated with processing of a workpiece by a processing tool, determining at least a portion of noise associ... | 06/28/2005 |
| 6901300 | Adaptation of advanced process control blocks in response to variable process delay An advanced control block that implements multiple-input/multiple-output control, such as model predictive control, within a process control system uses a compensation block or algorithm and a single control model based on a single process model to provide advanced ... | 05/31/2005 |
| 6898214 | Technique for monitoring SONET signal A technique for performance-monitoring of a standard SONET signal involves first converting the optical signal to an electrical signal, removing in the framing signal time slot the framing signal for leaving only the framing signal noise in such time slot, and separ... | 05/24/2005 |
| 6895287 | Control method and control apparatus In a control method, the first controlled variable is made to coincide with a predetermined controlled variable set point. A relation variable representing the relationship between second controlled variables which are designated in advance from measured second cont... | 05/17/2005 |
| 6892101 | Feedback control method and feedback control apparatus According to a feedback control method, the response process of set point tracking control is divided into three, tracking, convergence, and stabilization phases. The phase is switched to the tracking phase at set point change start time as the tracking phase start ... | 05/10/2005 |
| 6856111 | Method and device for controlling angular speed of an electromechanical drive train with little damping Method and device for controlling the angular speed of an electromechanical drive train with little damping. The control of the speed of the load driven in rotation by an electromechanical drive train with little damping, possibly having transmission nonlinearities ... | 02/15/2005 |
| 6782297 | Methods and apparatus for data smoothing A method and apparatus for smoothing data comprises adjusting data according to a first smoothing technique and selectively adjusting the data according to a second smoothing technique. The method and apparatus applies a first smoothing technique to a selected datum... | 08/24/2004 |
| 6757569 | Filtering process for stable and accurate estimation A filtering process is adapted for eliminating the need of prediscretizing a continuous-time differential model into a discrete-time difference model. It provides a universal robust solution to the most general formulation, in the sense that the system dynamics are ... | 06/29/2004 |
| 6725100 | Automatic load adjustment The subject of the invention is a process for adjusting a processing unit, whereby at least one set value is varied from a starting value to a final value. In this case, the target value of a correcting value is set based on the starting value and the final value of... | 04/20/2004 |
| 6721609 | Integrated optimal model predictive control in a process control system A model predictive controller having a set of inputs adapted to receive process output signals and further having a set of outputs adapted to supply process input signals to process control devices is configured to perform integrated optimal model predictive control... | 04/13/2004 |
| 6708069 | Distributed control system and filtering method used in the distributed control system In a distributed control system in which a plurality of nodes are connected to a transmission line, each node controlling components connected to this node and transmitting a message to other nodes, a message sent by each node includes at least two message-sending c... | 03/16/2004 |
| 6697682 | Adaptive control apparatus and shaking table A shaking table having: a feedback controller for generating a drive signal for actuators so that an inputted second command signal is agreed with a response signal indicating a vibration state of the table; an adaptive filter having variable filter coeff... | 02/24/2004 |
| 6684112 | Robust model-free adaptive control A Robust Model-Free Adaptive controller is disclosed for effectively controlling simple to complex systems including industrial processes, equipment, facilities, devices, engines, robots, vehicles, and appliances. Without the need of re-designing a contro... | 01/27/2004 |
| 6681139 | Distributed control system and filtering method used in the distributed control system In a distributed control system with a plurality of nodes connected to a transmission line, each node controlling components and transmitting a message to other nodes, a message includes at least two message-sending condition-identifying portions, one of ... | 01/20/2004 |
| 6658326 | Noise reduction system and method A noise reduction system reduces noise associated with an input signal provided to a control system, while substantially minimizing the adverse affect on the responsiveness and stability of the control system. The noise reduction system includes a process... | 12/02/2003 |
| 6631300 | Nonlinear active control of dynamical systems A control system for reducing cargo pendulation. The control system calculates a correction factor and adds the correction factor for the operator input motions in addition to the motion of the platform in order to provide a reference position of the susp... | 10/07/2003 |
