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"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.
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| Number | Title | Issue Date |
| 7725201 | Feedback control device In a feedback control apparatus comprising a controller, a control object to be controlled by the controller, and an observer for inputting a control output from the control object and an output of the controller and setting an output of a control object model to be... | 05/25/2010 |
| 7418302 | Floating deadband control A method of controlling an input device is disclosed. A deadband is generated about a first position when the input device is at the first position. The input device is moved from the first position to one or more additional positions. The deadband width is varied b... | 08/26/2008 |
| 7372220 | Extrusion plant with synchronized drive units, and method of synchronization of drive units In a method for synchronizing drive units, a target value of the speed of each drive unit of a plurality of drive units speed is computed by determining the product of a maximum speed of the drive unit, a unit-dependent normalized ratio value of the drive unit, and ... | 05/13/2008 |
| 7363132 | Method and system for controlling steering deadband in a mobile machine Embodiments of the present invention recite a method and system for controlling steering dead band in a mobile machine. In one embodiment, a first dead band value for actuating a steering mechanism in a first direction is determined. Then, a second dead band value f... | 04/22/2008 |
| 7245975 | Skew compensation A system and method for generating master and slave reference signals is disclosed, wherein at least one axis of the plurality of axes is a master section and at least one axis of the plurality of axes is a slave section, said slave section being a slave of said mas... | 07/17/2007 |
| 7194321 | Modular multi-axis motion control and driving system and method thereof A modular multi-axis motion control and driving system includes a control board having a DSP and Flash ROM; a plurality of driver boards connected to the control board though a bus, each board including a FPGA device and a plurality of MOSFET power amplifiers; a com... | 03/20/2007 |
| 7174474 | Distributed autonomous control system for multi-axis motion control A distributed multi-axis motion control system comprises a multicast communications network having several node components. Each of the node components includes a clock and an actuator. The actuators are part of a motor system and a pattern profile table of the moto... | 02/06/2007 |
| 7173395 | Inverter unit grounding method and inverter unit A circuit system that includes a sensor circuit for a sensor that detects the state of a motor is provided in an inverter unit for driving the motor. A 0V of the circuit system is connected with a shield braid of a shielded cable that connects the sensor circuit and... | 02/06/2007 |
| 7142931 | Control system with controlled 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... | 11/28/2006 |
| 7143301 | System for motion control, method of using the system for motion control, and computer readable instructions for use with the system for motion control A motion control system and method that includes a central controller configured to generate first and second demand control signals to be used to define actuation motion of respective first and second actuators. The central controller is in communication with first... | 11/28/2006 |
| 7139621 | Floating deadband control A control system having a floating deadband control includes an input device moveable from a first position to a second position. In addition, the control system includes a controller configured to automatically generate a first electronically defined deadband about... | 11/21/2006 |
| 7092771 | Industrial control and monitoring method and system A technique is provided for integrating human machine interfaces with control and monitoring systems. Control and monitoring systems may be integrated into a human machine interface to enable access to various systems including networked and programmable electrical ... | 08/15/2006 |
| 7050866 | Dynamic controller for controlling a system A method for providing independent static and dynamic models in a prediction, control and optimization environment utilizes an independent static model (20) and an independent dynamic model (22). The static model (20) is a rigorous predictive mo... | 05/23/2006 |
| 7047138 | Zero dead time architecture and method for flow cytometer A method and apparatus for providing a zero dead time for flow analyzers, flow cytometers, and other measurement devices. A circular buffer is used to store data from a flow analyzer in a plurality of data storage areas, until it is convenient to implement more time... | 05/16/2006 |
| 7039471 | Method and device for calculating the steady-state time point of a controller A device for calculating the steady state behavior of a controller includes an amount generating unit for generating the amount of deviation of the regulator, a first threshold value calculation unit that detects whether the amount of deviation of the regulator has ... | 05/02/2006 |
| 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 |
| 7024257 | System for motion control, method of using the system for motion control, and computer-readable instructions for use with the system for motion control A motion control system and method that includes a central controller configured to generate first and second demand control signals to be used to define actuation motion of respective first and second actuators. The central controller is in communication with first... | 04/04/2006 |
| 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 |
| 7016743 | Model-free adaptive control of quality variables A Model-Free Adaptive Quality Variable control system is disclosed for effectively controlling quality variables on-line in closed-loop fashion. It is able to automatically control quality variables under the conditions where there are significant varying time delay... | 03/21/2006 |
| 6978186 | Modular functional block for an electronic control system An electronic control system, such as a field oriented control system, is provided, including a device to be controlled; an application control arrangement including a plurality of functional blocks configured to perform a cascaded computation, the application contr... | 12/20/2005 |
| 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 |
| 6946104 | Chemical hydride hydrogen generation system and an energy system incorporating the same A chemical hydride hydrogen generation system and an energy system incorporating the same are provided. The hydrogen generation system comprises: a storage tank for storing a chemical hydride solution; a reactor containing a catalyst; a pump for supplying the chemic... | 09/20/2005 |
| 6936081 | Chemical hydride hydrogen reactor and generation system A system and reactor stack for generating hydrogen from a hydride solution in presence of a catalyst. The reactor stack includes a number of reactor plates and separator plates alternate with one another, to define reaction chambers alternating with coolant chambers... | 08/30/2005 |
| 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 |
| 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 |
| 6745084 | Valve positioner system A valve positioner system that includes one or more unique control methods and devices, including several routines to facilitate the continuous maintenance, calibration and adjustment requirements of the valve. The positioner system may utilize pressure and position... | 06/01/2004 |
| 6738677 | Method and apparatus for modeling dynamic and steady-state processes for prediction, control and optimization A method for providing independent static and dynamic models in a prediction, control and optimization environment utilizes an independent static model (20) and an independent dynamic model (22). The static model (20) is a rigorous predictive mo... | 05/18/2004 |
| 6684115 | Model-free adaptive control of quality variables A Model-Free Adaptive Quality Variable control system is disclosed for effectively controlling quality variables on-line in closed-loop fashion. It is able to automatically control quality variables under the conditions where there are significant varying... | 01/27/2004 |
| 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 |
| 6658357 | Zero dead time architecture and method for flow cytometer A method and apparatus for providing a zero dead time for flow analyzers, flow cytometers, and other measurement devices. A circular buffer is used to store data from a flow analyzer in a plurality of data storage areas, until it is convenient to implemen... | 12/02/2003 |
| 6591149 | Method for prescribing a ramp by a clock-pulse-controlled quantity In a method for prescribing an essentially linear ramp with a prescribable slope by a quantity, and which is clock-pulse-controlled and which describes the ramp by an increment per clock interval, the ramp is described by a number of regular increments an... | 07/08/2003 |
| 6564141 | Engine delay compensation An engine with transport delay represented by a delay period is controlled with a controller in the feed-forward path and a compensator in a negative inner feedback loop around the controller. The controller generates a control signal so as to control the... | 05/13/2003 |
| 6411904 | Zero dead time architecture for flow cytometer A method and apparatus for providing a zero dead time for flow analyzers, flow cytometers, and other measurement devices. A circular buffer is used to store data from a flow analyzer in a plurality of data storage areas, until it is convenient to implemen... | 06/25/2002 |
| 6216050 | Actuator control apparatus and magnetic disk unit An actuator control system and a magnetic disk device having a hybrid control system. The actuator control system includes an LPF that can be processed by the hardware architecture of a HDD that does not include a state estimator. The actuator control sys... | 04/10/2001 |
| 6185468 | Decoupling controller for use with a process having two input variables and two output variables A decoupling controller for use with a process such as paper-making having two input variables such as stock flow and steam pressure and two output variables such as moisture and basis weight. Decoupling is accomplished by the use of linked internal model... | 02/06/2001 |
| 6157888 | Input smoothing method and apparatus for an electronic throttle control system A method and apparatus for smoothing a throttle plate position command prior to being used by a closed loop throttle control unit. The method sequentially indexes through a lookup table storing a series of values of a smoothing function at routine time in... | 12/05/2000 |
| 6081751 | System and method for closed loop autotuning of PID controllers A system and method for automatically tuning a PID controller resident within a PID control loop. The PID control loop includes a PID controller and a process. The process supplies a process variable which is compared to the loop input. The result of the ... | 06/27/2000 |
| 6038488 | Catheter simulation device A device for tracking the translational and rotational displacement of an object having two degrees of freedom using a single point of contact with the object. The device is particularly useful in a catheter simulation device for surgery and interventiona... | 03/14/2000 |
| 5944256 | Air conditioner for vehicle A vehicular air conditioner comprises a controller, a solar sensor and a room temperature sensor. The controller includes a correcting section where a detected solar intensity and/or a detected room temperature is corrected by a first-order lag filtering ... | 08/31/1999 |
