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WO/2001/093039A1 |
A control system for calculating control commands for actuators in an aircraft, wherein the control commands are calculated by computers distributed in the craft in dependence on input signals containing parameters that serve as the basi...
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WO/2001/092972A2 |
A method and apparatus are provided for controlling a dynamic device having multi-inputs and operating in an environment having multiple operating parameters. A method of designing flight control laws using multi-input, multi-output feed...
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WO/2001/084252A1 |
A multiplexing control system has a common process input/output unit for distributing process signals from sensors for measuring the same state variable of a process to digital controllers. One process input/output unit for inputting/out...
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WO/2001/082442A1 |
A digital instrumentation system has a power supply means (36) which supplies power to at least one instrument (3) located in a hazardous area (5). Also located in the hazardous area (5) is power limiting means (27) for limiting the powe...
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WO/2001/081820A1 |
The invention relates to a modular safety switchgear system for switching actuators (21) on and safely off, comprising at least one input module (18) for safely evaluating a safety device (20) and for generating an output signal, and at ...
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WO/2001/077764A2 |
The present invention relates to a wireless home automation system having a controller for controlling a broad variety of functions via two ways communication with a plurality of devices. More specifically, the invention relates to syste...
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WO/2001/078307A2 |
The present invention relates to a wireless home automation system having a controller for controlling a broad variety of functions via two ways communication with a plurality of devices. More specifically, the invention relates to a new...
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WO/2001/075532A1 |
The invention relates to a safety switching unit for switching on and safely switching off an electrical consumer according to a switching event of a safety detector (50). The inventive safety switching unit comprises at least one switch...
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WO/2001/075533A1 |
A first processing unit monitors and controls the function of a first electronic control system, whilst a second processing unit monitors and controls the function of a second electronic control system. One or both of the processing unit...
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WO/2001/071916A1 |
The present invention relates to a programmable safety system intended to be used for safety functions, in which a fault in a control circuit does not lead to a safety function being disabled, which system comprises monitoring functions ...
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WO/2001/066926A1 |
The invention relates to a device for reliably generating signals which comprises a control means (10) to which a control signal (12) is fed. The control means (10) generates, according to the control signal (12), a drive signal (13, 14)...
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WO/2001/061615A1 |
A system and computer-implemented method for monitoring and controlling a process and machines is disclosed. The method comprises storing process attribute information of objects in a plurality of databases (301-303), receiving process m...
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WO/2001/057647A1 |
A control-by-wire control system comprising a plurality of control device(s) (16a-16d), each control device is responsive to, and configured to receive a control signal. Also included in the control-by-wire control system is a plurality ...
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WO/2001/053946A2 |
Upon performing redundant calculations with a plurality of computing units (P¿1?; P¿M?) of a multiprocessor system, a sequence of input values (w¿1?; w¿N?) is sequentially stored in a storage (M¿1?; M¿N?). Overwriting of input valu...
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WO/2001/053897A1 |
The invention relates to a method for preventing malfunctions in a signal processing system according to which a sequence of initial values (w) are read-in by an arithmetic unit (P1; P2; P3). An additional separate trend value logic unit...
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WO/2001/048570A1 |
The invention relates to a circuit arrangement (90) for the safe shutdown of an installation (22), in particular a machine installation. Said circuit arrangement comprises a signalling device (14) which generates an output signal (46a, 4...
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WO/2001/048571A1 |
An apparatus and method is disclosed for detecting, identifying, and classifying faults occuring in sensors measuring a process. A variety of process models can be used such as first principles models, dynamic multivariable predictive co...
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WO/2001/044881A1 |
Methods and systems for fail-safe process execution, monitoring and output control for critical systems operating on an open bus architecture with multiple, independent partitions on a single processor is presented. The control system st...
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WO/2001/044778A1 |
A safety redundant drive by wire system (10) includes a plurality of first control members (12) to which control signals may be communicated and a plurality of device controllers (16) adapted to deliver control signals to a respective fi...
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WO/2001/041153A1 |
A component actuation circuit for an engineered safety features actuation system (ESFAS) includes a plurality of coincidence logic contacts, and a plurality of parallel-connected ESFAS component relays. Each of the coincidence logic cont...
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WO/2001/040882A1 |
A control system incorporates components that automatically switch information sources in response to actual or potential degradation of information generated by them. Thus, a control system has first (10A) and second (10B) control compo...
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WO/2001/037058A1 |
The invention relates to an automation device (AG) comprising a task-oriented user program whose memory contents (M) are to be transmitted to a redundant automation device (AG') without interrupting operation. After the conventional tran...
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WO/2001/035174A1 |
A method for adaptively scheduling maintenance of a sensor (14) infers the need for maintenance of that sensor on the basis of an error signal indicative of a difference between a measurement signal generated by that sensor and an indepe...
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WO/2001/035432A1 |
A fail-safe, fault-tolerant switching system for a critical device includes a first pair of terminals for connection to a power source; a first network including a first fuse device, first switching device and third switching device conn...
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WO/2001/020410A1 |
A production facility control system having a mechanical movable part, the safety of which is easily evaluated. A safety-related circuit part (1) and a safety-unrelated circuit part (2) are separated from each other in a circuit way. The...
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WO/2001/014940A1 |
The invention relates to a device (10) for controlling safety-critical processes (28, 30, 32), comprising at least one protected control unit (12, 14) for controlling the safety-critical process (28, 30, 32) and at least two protected si...
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WO/2001/011468A1 |
A multiprocessor system is disclosed that employs an apparatus and method for caging a redundant component to allow testing of the redundant component without interfering with normal system operation. In one embodiment the multiprocessor...
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WO/2001/009468A1 |
A power window switch circuit, even if soaked, prevents windows from opening or closing unintentionally. A DOWN switch (128) and an UP switch (129) each include a first fixed contact (DN1, UP1) connected with a power supply, a second fix...
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WO/2001/006332A1 |
According to the inventive method for configuring the sensor, the sensor (1.1 1s) continuously compares sensor data (SD) detected in the sensor mode to ensure that they correspond with characteristic, stored, predetermined sensor data (S...
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WO/2001/004710A1 |
The invention relates to a module (12) for controlling a drive (11), especially in a system (10) which can jeopardize the safety of the public, comprising a terminal connection (18) for connecting to a control system (31) for operational...
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WO/2001/001213A1 |
Process device diagnostic is provided for diagnosing the condition of a process by receiving a process variable sensor signal (146). The process variable sensor (138) senses vibration noise signals (132) carried in a process fluid of the...
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WO/2001/001364A2 |
The aim of the invention is to provide a device with which the series-connected units of a control and data transmission system can be switched on in an operationally reliable manner. To this end, the invention provides a device which co...
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WO/2000/079353A1 |
The invention relates to a control system (10) for controlling security-critical processes (28, 30). The control system (10) has a first control unit (14; 14, 54) for controlling a security-critical process (28, 30) and at least one sign...
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WO/2000/079352A2 |
The invention relates to a security-related automation system and a method for operating said system. In order to produce a security-related bus automation system which involves a minimum amount of hardware redundancy and which can be ad...
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WO/2000/072100A1 |
The invention relates to a system for controlling a controller which is installed in a motor vehicle and which is equipped with an electric control motor (4). Using the example of an electronic steering system comprising an electromotive...
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WO/2000/070415A1 |
A method and apparatus for control to determine the presence of a sensor or jumper on a single input channel to a micro-controller. The control process includes utilisation of a lag filter equation that allow the input channel to be util...
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WO/2000/067080A1 |
The invention relates to a controller or engine controller, comprising two control channels (20, 20'), each channel having at least two processor units (22, 24 or 22', 24'). Said controller is developed in such a way, that one processor ...
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WO/2000/063608A1 |
A safety lock out switch system for the prevention of an unexpected restart of an electrically powered machine in whose main power circuit it is installed. Therein the power-free status of the power supply output of the system is confirm...
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WO/2000/064026A1 |
A safety lock out switch system for the prevention of an unexpected restart of an electrically powered machine in whose main power circuit it is installed. Therein the power-free status of the power supply output of the system is confirm...
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WO/2000/062135A1 |
Primary and backup controllers for a digital process control system where the digital controllers operate in the synchronous execution mode and the backup controller includes a neural network. Since the backup controller receives its pro...
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WO/2000/059087A1 |
An electric or electronic time tolerance control unit for control devices incorporating two or more parallel or redundant control circuits (10, 20). The time tolerance control unit has an output compare circuit (40) which includes a time...
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WO/2000/054121A1 |
An electronic cut-out preventing electric and/or electrically controlled consumers from undesirable temperature changes, consists of a high interrupting-capacity switch (HICS), connected between the source (S) of electric power and the c...
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WO/2000/052374A1 |
An emergency shutdown system for a process control system includes an emergency shutdown (ESD) valve (12) and an associated valve actuator (18). An emergency shutdown (ESD) controller (46) provides output signals to the ESD valve in the ...
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WO/2000/046087A1 |
The invention relates to a method and device for sensor monitoring, whereby said sensors detect individual management variables or measured variables (A, B, C) relating to a process (32). The inventive method and device are suitable for ...
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WO/2000/044665A2 |
According to the present invention, a fuel control has an electronic primary control for scheduling a flow of fuel to an engine in a primary mode and hydromechanical secondary control for scheduling the flow of fuel to the engine in a ba...
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WO/2000/044974A1 |
The invention relates to a safety device for electrical appliances, in particular electrical heating devices. After the appliance has been in operation for a certain time, a signal is triggered without any interruption in the power suppl...
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WO/2000/037761A1 |
A drive for driving a motor to open/close a window of a vehicle, for example. When the vehicle becomes under water in the sea, lake, or river, the drive prevents a leak current from flowing through a window opening/closing control switch...
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WO/2000/038021A1 |
The invention relates to an automation system which can be scaled with respect to its availability and safety. Said system comprises at least one central processing unit (CPU1) or a plurality of central processing units (CPU1, CPU2) whic...
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WO/2000/036492A2 |
Described herein is a control system for executing application programs and monitoring and controlling control system elements. The control system includes triplicated main processor modules (1) which communicate, via a communication sys...
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WO/2000/033904A1 |
The invention relates to an arrangement in connection with a feedback control system, the arrangement comprising a controllable device (10), a measuring device (7), a controlling device (9) and a user interface by which the controlling d...
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