Matches 201 - 250 out of 267 < 1 2 3 4 5 6 >
Match Document Document Title
4661310 Pulsed multichannel protection system with saturable core magnetic logic units  
The dynamic logic of each channel of a multichannel protection system for a nuclear power plant provides a trip logic path and a global bypass logic path by which pulse signals from a clock source...
4654846 Spacecraft autonomous redundancy control  
The spacecraft system has automatic fault detection and autonomous reconfiguration of redundant hardware and software to correct that fault without ground station intervention. The spacecraft has...
4649484 Avionic control system  
An all-electric powered flight control system for an aircraft incorporating fault-tolerant avionics combined with a redundant power actuation control system utilizing electro-mechanical devices for...
4644137 Circuit for controlling a rice cooker with power interruption control  
A circuit for controlling a rice cooker having at least one heater used for cooking rice comprises, a rice cooking mode setting section capable of selectively setting three or more different rice...
4642753 Domestic electrical appliance  
In a domestic appliance, such as a washing machine, controlled by a solid state processor 1, it is possible for power supply interference to corrupt the program data stored in the processor or even...
4635184 Distributed control with mutual spare switch over capability  
A distributed control system controlling a plurality of energize-to-start, energize-to-stop subprocesses is designed for on-line maintenance. One or more of the process control computers (86)...
4634110 Fault detection and redundancy management system  
A fault detection and redundancy management system for a dual redundancy based network architecture in which the principal control components (master units) are configured and programmed to...
4628508 Computer of processor control systems  
A processor control system for controlling items of hardware includes pairs of processors associated with the hardware items. One processor of each pair operates the process or processes for...
4623883 Automatic communications switch  
An automatic communications switching circuit is used to couple a primary terminal, an alternate terminal, a cluster of secondary terminals and a host system to enable communication and data...
4609984 Automatic baler with manual override of microprocessor controlled functions  
An automatic baling machine for forming round bales and wrapping them with twine is provided with a microprocessor-controlled signal processing circuit for controlling movement of a bidirectional...
4607256 Plant management system  
A plant management system is provided. The system includes one or more digital process control and data acquisition subsystems and a plant control network. Each control subsystem includes a data...
4600870 Dual controller position control system  
A position control system having dual controllers, each capable of operating in either a proportional or a proportional plus integral gain mode, is normally operated with one controller in the...
4594537 Redundant control system for X-wing valve actuators  
The capability of compensating automatically for a failure in an actuator and the associated drive circuit is enhanced by providing a dual channel actuator, each channel having a drive coil and a...
4585164 Portable energy level control system  
A control for interior environmental energy system comprising a portable thermostat comprising a temperature indicator, an electromagnetic pulse transmitter and means to trigger the pulse...
4581701 Monitoring plural process control stations  
A monitoring system for several process control stations includes a redundancy station having a central processing unit and an operating memory to take over the functions of a dropped out process...
4542506 Control system having a self-diagnostic function  
The present invention includes a main control system driving an exciting coil of a component to be driven. The invention also includes a sub-control system that backs up the main control system...
4532594 Multiple microcomputer system with comonitoring/back-up for an automotive vehicle  
An electronic control system for an automotive vehicle including an engine control system for controlling the engine operation using a microcomputer and a vehicle driving information system for...
4523750 Copier/duplicator with finishing apparatus having low staple control features  
A control system for a copier having at least one stapler for inhibiting the start of production by the copier in the event the number of staples is less than the number of copy sets to be stapled...
4521871 Programmable controller with back-up capability  
An active programmable controller services I/O racks which contain circuits that interface with sensing devices and operating devices on a machine being controlled. A back-up programmable...
4473876 Electrohydraulic servovalve safety apparatus  
Safety apparatus for an electrohydraulic servovalve. The safety apparatus includes a digital programmable switch (14) which is programmed to make switching decisions on the basis of whether or not...
4472780 Fly-by-wire lateral control system  
Each wing of an aircraft carries a set of five outboard spoilers, one inboard spoiler, one inboard aileron and one outboard aileron, together constituting the lateral control surfaces for the...
4437154 Device for generating control signals with a primary control unit and an auxiliary control unit  
A device is proposed for generating control signals with a primary and an auxiliary control unit, having an error indication circuit layout and a subsequently disposed switchover device from the...
4432210 Air conditioning control method  
When a plurality of sensors or a circuit, required for air conditioning, are out of order a fail-safe calculation formula is employed to set the desired outlet air temperature for continuing air...
4432048 Multiple digital controller system  
In a multiple digital controller system which comprises a main or first digital controller and at least one stand-by or second digital controller and in which the main digital controller normally...
4426850 Heat pump control having an electronic control module with a bypass system  
An electrical control system for environmental conditioning equipment such as a heat pump is disclosed. An electronic control module in the control system has input and output plugs which may be...
4377000 Automatic fault detection and recovery system which provides stability and continuity of operation in an industrial multiprocessor control  
A multiprocessor computer control system for a process includes at least two central processors and respectively associated input/output systems. Control system faults are detected and a bootstrap...
4363098 Electric command spoiler system  
An aircraft spoiler control system wherein each of a plurality of spoilers is driven by an electrically responsive actuator. Sense signals representative of the aircraft's control wheel rotation,...
4351023 Process control system with improved system security features  
A process control system includes two digital controllers each capable of exercising direct digital control over the process. One of the controllers is selected to be on-control, the other serving...
4298938 Backup control circuit for kidney dialysis machine  
The backup control circuit is used with a main control circuit for a kidney dialysis machine and is operable upon failure of the main control circuit to operate with a predetermined time period to...
4276593 Transfer system for multi-variable control units  
An automatic transfer method and apparatus for a multi-variable control unit having at least two process control units is disclosed which initiates transfer from the selected controller to the...
4266273 System for controlling track-bound vehicles forming a train  
A system is disclosed for controlling vehicles equipped with computer systems from a center of a rapid transit system. If at least two vehicles equipped with computer systems form a train, and the...
4231015 Multiple-processor digital communication system  
A digital communication system is disclosed for communicating among two central consoles and a plurality of local controllers, such as may be used in a radiation and monitoring system and the like....
4217486 Digital flight guidance system  
A digital flight guidance system includes a pair of processors, each with its own memory means and arranged with common input and output means for providing monitored guidance of an aircraft when...
4200226 Parallel multiprocessing system for an industrial plant  
A system for monitoring and control of an industrial installation, such as a chemical plant, having a large number of operating parameters which have to be maintained between well defined limits...
4198678 Vehicle control unit  
A vehicle control unit for a short-distance traffic system is disclosed wherein a plurality of vehicles are controlled from a center. Each vehicle carries at least two on-board computers each of...
4133027 Process control system with backup process controller  
A process control system having a plurality of process controllers each connected to a data highway to receive and send process control data is controlled by a backup director receiving input...
4123794 Multi-computer system  
A multi-computer system is disclosed which is composed of a plurality of interconnected computers, one of which operates as a schedule master for the others. Information stored in a bulk memory...
4118772 Digital controller system  
A digital controller system for controlling the flow of a plurality of processes, each of the processes being provided with a process detector and an actuator, the digital controller system...
4115847 Automatic flight control system with operatively monitored digital computer  
A dual channel, fail-operative automatic flight control system is disclosed in which each channel includes a totally monitored digital computer for operating upon sensor input data to provide...
4074354 Process control system  
A process control system of the type arranged to accept sensing signals from field sensing devices, to digitally process data represented thereby, and to supply control signals to field control...
4059745 Override process control system  
An override process control system for regulating a process with a single final control element, such as a valve, from two or more process variables that are interdependent and must not exceed...
4057715 Wide range system for transferring steam generator and turbine operation between computers in a multiple turbine computer control system  
An electric power plant including a steam generator and a steam turbine is operated by a control system including two redundant digital computers. Switching circuitry is provided for coupling one...
4053747 System for initializing a backup computer in a multiple computer electric power plant and turbine control system to provide turbine and plant operation with reduced time for backup computer availability  
An electric power plant including a steam generator and a steam turbine is operated by a control system including two redundant digital computers. Switching circuitry is provided for coupling one...
4037088 Wide load range system for transferring turbine or plant operation between computers in a multiple computer turbine and power plant control system  
An electric power plant including a steam generator and a steam turbine is operated by a control system including two redundant digital computers. Switching circuitry is provided for coupling one...
4034212 Welding and automation control system  
A computerized welding control system which is capable of controlling a large number of welding heads from a single processor, the processor being the timing instrumentality for the various...
4031372 System for manually or automatically transferring control between computers without power generation disturbance in an electric power plant or steam turbine operated by a multiple computer control system  
An electric power plant including a steam generator and a steam turbine is operated by a control system including two redundant digital computers. Switching circuitry is provided for coupling one...
4029952 Electric power plant having a multiple computer system for redundant control of turbine and steam generator operation  
The electric power plant including a steam generator and a steam turbine is operated by a control system including two redundant digital computers. Switching circuitry is provided for coupling one...
4025762 Reference signal circuit  
In a prime mover control system, control over the prime mover is dependent, in part, upon the validity of a reference signal to the control system. Circuitry is provided between a reference signal...
3978659 Bumpless transfer in shifting control command between the primary and backup control systems of a gas turbine power plant  
A backup control system for a gas turbine power plant having a computer implemented primary control system is disclosed. Bumpless transfer between the two control systems is effected by tracking a...
3931503 System for operating a boiling water reactor steam turbine power plant utilizing dual analog throttle pressure controllers  
A combined digital computer/analog control system for operating a boiling water reactor-steam turbine-power plant wherein one of two analog throttle pressure controllers is used for controlling the...
Matches 201 - 250 out of 267 < 1 2 3 4 5 6 >