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System comprises a status observer, a coefficient setting unit, a first adder unit, a first multiplier, a second adder unit, a delay unit, series-connected second multiplier and control object, and a third adder unit. |
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Device for programmed control signal generation by spatial movement of dynamic objects Device for programmed control signal generation by spatial movement of dynamic objects includes adders, multiplier and divider units, rooting units, quad units, functional converters, signal setting units, tracking systems, navigation system. |
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Device for programmed control signal generation by spatial movement of dynamic objects Device for programmed control signal generation by spatial movement of dynamic objects includes adders, multiplier and divider units, rooting units, quad units, functional converters, signal setting units, tracking systems, navigation system. |
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Self-tuning electric drive includes serial adders, correction device, amplifier, motor and reduction gear with position sensor installed on its output shaft, quad units, divider and multiplier units, integrators, sinusoidal functional converter, amplitude setter, rooting units, constant signal sources, motor current sensor, rectifiers, speed sensor, selection-storage element, relay element. |
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Invention proposes self-tuning electric drive including serial adders, correction device, amplifier, motor and reduction gear with position sensor installed on its output shaft, quad unit, divider and multiplier units, constant signal source, integrator, sinusoidal functional converter, amplitude setter, rooting unit, relay element. |
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Device for programmed control signal generation by spatial movement of dynamic objects Device for programmed control signal generation by spatial movement of dynamic objects includes adders, integrators, multiplier and divider units, rooting units, quad units, functional converters, signal setting units, tracking systems, navigation system. |
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Automatic adjustment apparatus 1 is configured to receive an input response signal of a control object 4 in a control system 2 with feedback, in front of which there a FF control unit 5. Stepped response to a stepped target value X is obtained in a state where the FF control unit 5 is turned off, and the degree of redundant response to step action α is calculated from the maximum redundant response to the step action, which corresponds to the maximum stepped response and values of the provided stepped target value. The rising time of the stepped response T1 is calculated from the time beginning from the moment when the stepped target value was provided up to the moment when maximum redundant response to the step action is reached. An instruction is transmitted to the FF control unit 5 to output a signal obtained by applying first-order delay of the coefficient (inverse of time constant) log(α/(1+α))/T1 to the input stepped target value X. |
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Automatic adjustment apparatus 1 is configured to receive an input response signal of a control object 4 in a control system 2 with feedback, in front of which there a FF control unit 5. Stepped response to a stepped target value X is obtained in a state where the FF control unit 5 is turned off, and the degree of redundant response to step action α is calculated from the maximum redundant response to the step action, which corresponds to the maximum stepped response and values of the provided stepped target value. The rising time of the stepped response is calculated from the time beginning from the moment when the stepped target value was provided up to the moment when maximum redundant response to the step action was reached. An instruction is transmitted to the FF control unit 5 to output a multi-step signal S, composed a stepped signal of a first step, which is equal to (1-(α/(1+α))1/n), multiplied by the input stepped value X, and the next stepped signal, the increment of which is reduced α/(1+α)1/n times after each expiration of the rising time of the stepped response. |
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Adaptive control system of astatic object with time delays Invention can be used in control systems of astatic objects with time delays, the parameters of which are unknown constant or slowly time-varying magnitudes, and only output signal of the object, not its derivatives, is available for measurement. To do this, the system comprises a controlled object, a setup unit, three integrators, five adder units, one coefficient unit, two multipliers. |
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Device automatically eliminates static error when used in systems for stabilising dynamic objects by scaling the stimulus. An example of specific implementation of the controller is realised on pneumatic elements of a universal system of elements for industrial pneumatic automation (USEPPA). |
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Modified fuzzy rule intelligent controller Device has a control object, an efficiency coefficient unit, a control neural network self-training rule unit, a system operation history unit, a control neural network, a fuzzification unit, a fuzzy output unit and a defuzzification unit. |
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Adaptive terminal control system Adaptive terminal control system further includes series-connected second unit for conversion from the system status function, second unit for calculating the system fundamental matrix, second matrix multiplier, vector adder which is connected by the output to actuating devices and by the second input to the output of an adder accumulator; the input of the second unit for converting to the partial derivative of the system status function is connected to the output of the unit of the free movement model of the control object, the input of the first unit for conversion to the partial derivative of the system status function and the input of the unit for converting to the partial derivative of the target function and series-connected unit of the weighting matrix of the terminal member of the optimised functional and third matrix multiplier, wherein the output of the third matrix multiplier is connected to the second input of the second matrix multiplier, the final state coefficient vector unit of the control object, connected by the output to the second input of the third matrix multiplier, as well as a storage element, a switch and a launch unit, the output of which is connected to the second control input of the switch and the second scalar input of a discrete Kalman filter; the first input of the switch is connected to the output of the storage element, and the output is connected to the scalar input of the unit of the free movement model of the control object and the scalar input of the adder accumulator. |
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Disclosed is an automatic control system, having a control object, a first comparator, inputs of which are connected to an input signal source and the output of the control object and a summation device, the first input of which is connected through a modulus extractor and a first amplifier to the output of the first comparator, the second input is connected to a device for setting a constant transfer ratio, and the output is connected to the first input of a first multiplier, the second input of which is connected to the output of the first comparator, the output of the first multiplier is connected to the positive input of a second comparator, the output of which is connected to the input of the control object. The negative input of the second comparator is connected through a second amplifier to the output of the second multiplier, the first input of which is connected through a differentiator to the output of the control object, and the second input is connected through a rooting device to the output of the summation device. |
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Method of evaluating states of electronic power system Disclosed is a method of evaluating states of an electronic power system (1), having a converter (4), wherein system state vectors x(k) and x(k+1) for each of the discretisation moments k=-N+1,…,0 are varied such that the sum of the vector norm from subtracting the system state vector (k+1) and a first function f(x(k), u(k)) of the system model and the vector norm from subtracting the vector y(k) of the output value and a second function g(x(k), u(k)) of the system model for discretisation moments k=-N+1,…,0 is minimum; the system state vector x(k) at discretisation moment k=0 is then selected. |
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Retarded object adaptive system Retarded object adaptive system, including series-arranged in a closed loop a first subtractor and a second subtractor, a controller and a control object, as well as series-arranged between the output of the controller and the inverting input of the second subtractor a simulator of mathematical description of the control object and a third subtractor, wherein the simulator of mathematical description of the control object contains series-arranged simulator of mathematical description of the minimum-phase part of the control object and simulator of mathematical description of the delay element of the control object, wherein the output of the control object is the output of the system and is connected to the inverting input of the first subtractor, the non-inverting input of which is the input of the system, and the non-inverting input of the third subtractor is connected to the output of the simulator of mathematical description of the minimum-phase part of the control object, which contains an identification unit, wherein the controller contains series-arranged simulator of the desirable mathematical description of an open loop and simulator of mathematical description of the reverse structure of the minimum-phase part of the control object, wherein one input of the identification unit is connected to the output of the control object, and the second input is connected to the output of the simulator of mathematical description of the control object, and its first output is connected to the input of the simulator of mathematical description of the delay element of the control object and the second output is connected to the simulator of mathematical description of the reverse structure of the minimum-phase part of the control object. |
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Gas turbine operation analysis method At least one dynamic pressure signal is measured by means of at least one pressure sensor in or on the turbine compressor, as well as one or more operating parameters of the turbine are measured by means of one or more other sensors under normal operating conditions of the turbine, and/or dynamic pressure signal, as well as one or more other operating parameters, which have been measured under normal operating conditions of the turbine, are read out; at that, dynamic pressure signal is subject to frequency analysis, by means of which one or more parameters of frequency spectrum of pressure signal are determined. Based on one or more measured operating parameters and one or more parameters of frequency spectrum of pressure signal, one or more neutron networks are trained, which have one or more measured operating parameters and one or more parameters of frequency spectrum of pressure signal as input values, and have at least one diagnostics parameter as the output value, which represents the measure of probability for availability of normal operating conditions of the turbine depending on input values. |
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Method of controlling movement of dynamic object on space trajectory Speed of a dynamic object at specific sections of a trajectory via simultaneous adjustment of signals of programmed action in each control channel is set as high as possible, while increasing it until, in the currently most loaded control channel(s) of the dynamic object, the value(s) of the input signal, which is directly proportional to the speed of the dynamic object on the trajectory, moves the corresponding actuating element(s) of the most loaded control channel(s) into a saturation zone and a zone of nonlinearity of characteristics thereof, and while reducing that speed directly proportional to the value of the input signal, whose modulus is greater than a certain maximum allowable value thereof. |
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Proposed method consists in the fact that the time-dependant signal that characterises the ignition current of igniter (14) is compared to upper limit value and lower limit value, and at the same time, the characteristic signal is compared to average value of the specified current, relative to which the ignition current shall randomly oscillate at igniter (14) in operation. |
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Combined robust control system for non-stationary dynamic objects Disclosed is a combined robust control system for non-stationary dynamic objects, having a coefficient unit, first, second and third adder units, a parallel compensator filter, first and second multipliers, a delay unit, a control object whose outputs are connected to corresponding inputs of the coefficient unit; inputs of the adder unit are connected to corresponding outputs of the coefficient unit; the output of the adder unit is connected to the input of the parallel compensator filter, the output of which is connected to both inputs of the first multiplier and the second input of the second multiplier, wherein the output of the first multiplier is connected to the first input of the second adder unit and the first input of the third adder unit; the output of the second adder unit is connected to the second input of the third adder unit and the input of the delay unit, the output of which is connected to the second input of the second adder unit; the first input of the second multiplier is connected to the output of the third adder unit; the output of the second multiplier is connected to the input of the control object. |
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Combined adaptive control system for nonstationary dynamic objects with observer System, having a status observer, a coefficient unit, a first adder unit, a first multiplier, a second adder unit, a delay unit, series-connected second multiplier and adjustment unit, additionally includes an integrator and a third adder unit. |
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Adaptive system for controlling astatic object with delay System includes a control object, a setter, three integrators, four adders, one coefficient unit, two multipliers and one nonlinear element. |
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Automatic voltage controller of synchronous generator Invention may be used both for automation of equipment commissioning process and in a functional mode in devices for control of electric generators in order to get the required value of output parameters, in particular, to control generator excitation in order to weaken hazardous effect of overloads or transition processes, for instance, in case of spontaneous connection, removal or variation of a load. The automatic voltage controller of the synchronous generator comprises a voltage metre, the first summator, a PID controller, the second summator, an amplifier, a generator of initiating pulses, a set point generator, an analog to digital converter, a signal energy calculator, a delay unit, a control parameters calculator, an averaging unit. The control parameters calculator is arranged in the form of a processor device operating in accordance with the logic of ultra-fast annealing. |
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In a software programmable positional electric drive there is a filter of a position control circuit arranged in the form of an aperiodic block, a corrector of a position control circuit, arranged in the form of a positional-proportionate-differential block, a corrector of a rotation frequency control circuit arranged in the form of a positional-proportionate-differential block. |
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Adaptive control system includes a comparison circuit (the first input whereof is connected to the adaptive control system input, the output connected to the control object input via a regulator and a summator (serially connected)), a frequency phase automatic tuning unit (the output whereof is connected to the harmonic generator input as well as (via the computer unit) to the regulator second input, the harmonic generator output connected to the first inputs of the first and the second Fourier filters the first and the second outputs whereof are connected to the corresponding inputs of the amplitude frequency response computer), the starting frequency computation unit (the first input whereof is connected to the (via the fifth key) to the regulation object output, the output (via the third key) connected to the second input of the harmonic generator the first input whereof is joined with the computer unit second input while the output (via the first key) is connected to the summator second input), a step generator (the output whereof is connected to the second input of the starting frequency computation unit as well as (via the fourth key) to the summator third input), the first selective filter (the input whereof is connected to the summator output while the output is connected to the first Fourier filer second input), the second selective filter (the input whereof is connected to the regulation object output while the output is connected to the second Fourier filer second input, the regulation object output connected (via the second key) to the comparison circuit second input. |
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Adaptive tracking system for objects with delay on state, control and of neutral type Invention can be used in tracking systems for objects whose parameters are unknown constants or slowly time-varying quantities. It is assumed that the control object has delay whose values are known. The system comprises a control object, four coefficient units, six adders, six multipliers, four integrators, three delay units and a stimulus unit. |
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Adaptive system for controlling and stabilising physical quantities Adaptive system with feedback has series-connected object, subtractor and controlled amplifier whose control input is connected to the output of an adder. The apparatus also includes the following, connected in series between the output of the subtractor and the input of the adder: an error analyser, a synchronous detector, a nonlinear element, an integrator and a coefficient regulator, as well as a generator whose output is connected to the second inputs of the synchronous detector and the adder, wherein the output of the controlled amplifier is connected to the input of the object and the input of the system is the positive input of the subtractor and the output is the output of the object. |
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Device includes interconnected: adders; amplifiers; electric motor; speed sensors; position sensors; relay element; signal setting mechanisms; weight sensor; quad unit; acceleration sensors; functional generators; multiplier units; at that the following is added: ehe eighth functional generator; the third position sensor; the fourteenth multiplier unit; the fifteenth multiplier unit, the third acceleration sensor; the sixteenth multiplier unit; and corresponding connections. |
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Addition of the ninth functional generator, the sixteenth multiplier unit, the second acceleration sensor, the seventeenth multiplier unit and corresponding links provided complete invariance of the drive under study to all moment impacts applied to it. This allowed to get high quality of control in any modes of its operation. |
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Invention concerns computer engineering. The self-adjusting electric drive of a manipulation robot has adders, multiplier units, amplifiers, an electric motor, a reducing gear, position sensors, velocity sensors, a relay element, a weight sensor, constant signal selectors, function generators and a squaring device. |
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Invention relates to robotronics and may be used for manufacturing articulator's drives. The articulator's electro drive contains: electro motor, reducer, amplifier, pinion gear, relay unit, square, 2 functional transducers, 2 differentiators, 3 signal generators, 10 sensors, 15 summation unit, 20 multiplier units. |
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Apparatus for generating programmed control signals Invention concerns computer engineering. The apparatus for generating programmed control signals has a first signal selector, a first adder, and additionally a nonlinear element, a first integrator, a nonlinear element, a switch, a second signal selector, a divider, a second integrator, a second adder, a navigation system, a first squaring device, a third adder, a second squaring device, a fourth adder, a third squaring, a fifth adder, a first rooting device, a first function generator, a second function generator, a first servo system, a third function generator, a second servo system, a fourth function generator, a third servo system, a fourth squaring device, a sixth adder, a fifth squaring device, a third signal selector and a second rooting device. |
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Adaptive control system for dynamic objects with periodic coefficients and lag System, having a coefficient unit, a first adder unit, a first multiplier, a second adder unit, a delay unit, series-connected second multiplier and control object, also includes a second delay unit, a second coefficient unit, a lag unit, third, fourth and fifth adder units, third and fourth multipliers. |
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Self-adjusting electric drive includes adders, corrector, amplifier, electric motor with gear, position resolver, square-wave generator, dividers, steady signal source, integrator, sine function generator, multipliers, amplitude setter, square-root extractor. |
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Control device for marine electric propulsion system based on fuzzy controller Device consists of comparison element; system mismatch change rate evaluator; fuzzy speed controller on the basis of microcontroller; control system for independent three-phase voltage inverter on the basis of microcontroller; independent three-phase voltage inverter and communication lines between them. |
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Nonfuzzy logic control for process control Nonfuzzy logic control includes fuzzificator with seven inputs, logic output unit with specified membership functions of nonfuzzy terms of variables, to the output of which there supplied are input and output variables, as well as discrete input and output variables of control object, defuzzificator, actuator, control object and feedback sensor. Comparison device is implemented as the part of conventional part of production rules of fuzzy logic output unit. In order to improve the accuracy and quick action, input and output variables of the control are represented with a set of nonfuzzy terms, and additional increase in quick action of the control has been achieved by automatic location by means of ANY-TIME algorithm to the beginning of production system of rules with maximum actuation frequency. Enlargement of control functions of the control has been achieved due to application in antecedents of production rules of discrete input and output variables of control object. Invention provides automatic control of quick-acting processes described verbally and requiring the qualitative control, the time constant of which is less than response time of known logic controls. |
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Neuron network control for calcination process control in shaft-type furnaces Control includes control object, primary data processing unit, data input/output unit, PID-control algorithm implementation unit, system operation history unit, control method selection unit, simulation unit the basis of which is neuron network model of the process; at that, it includes the following: control unit based on neuron network; smart classifier unit. At that, control unit and smart classifier unit together with system operation history unit and simulation unit are combined into multiparameter control unit. |
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Combined adaptive control system for dynamic objects with periodic coefficients In a system that comprises a block of coefficients setting, the first summing block, the first multiplier, an integrator, the second multiplier, a control object, a block of coefficients setting, a parallel compensator filter is added, besides, the inlet of the parallel compensator filter is connected to the outlet of the first summing block, the outlet of the parallel compensator filter is connected to the first and second inlets of the first multiplier and to the second inlet of the second multiplier, the outlet of the first multiplier is connected to the integrator's inlet and to the first inlet of the second summing block, the second inlet of the second summing block is connected to the outlet of the delay block by a value that is equal to the period of control object parameters variation, the outlet of the second summing block is connected to the first inlet of the third summing block and with the inlet of the delay block, the second inlet of the third summing block is connected to the integrator's outlet, the outlet of the third summing block is connected to the first inlet of the second multiplier, the outlet of the second multiplier is connected to the inlet of the control object. |
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Self-adjusting control system for astatic objects with control delay System includes control object, two coefficient setting units, five adders, two multipliers, two integrators, delay unit, linear part of adaptive control, adjusting unit and scanner. |
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Self-adjusting control system for objects with control delay System includes control object, two coefficient setting units, five adders, two multipliers, two integrators, delay unit, adjusting unit and scanner. |
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Intelligent system for controlling complex organised objects Intelligent system for controlling complex organised objects has a control object, two actuating units, two control units, a first unit for measuring the current output coordinate value, a second unit for measuring the current value of internal parameters of the state of the object, two robust filters, a first unit for setting the output coordinate, an object model without delay, a second unit for setting parameters of the state of the object, four comparator units, two adders, a delay unit, a unit for evaluating the state of the object, two extrapolation units, a unit of threshold elements, a unit for generating parametric control input, a parametric input signal inverter, a coincidence circuit, a unit for setting the reference control error and a switch circuit. |
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Control procedure for technical installation cooling Invention refers to procedure for control of technical installation cooling. The technical installation has at least one electrical component, for example, a transformer and a cooling system with at least one cooling element for cooling the electrical component. At least one sensor measures temperature and/or viscosity of cooling medium in the cooling system. There is achieved an optimal control of the cooling system due to control of the electrical component by means of selected profiles of control considering specific data of the electrical component. |
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System of adaptive two-position control Procedure is realised by transmitting control effect of following kind to actuating device: if controlled variable crosses line of assignment top down, then duration of effect of adaptive output control signal transmitted to actuating device is determined with interval of time 1·Tu1, where 1 is coefficient of adaptation, while Tu1 is duration of lower half wave of auto-oscillation mode at two-position control; if controlled variable crosses line of assignment bottom-up, then actuating device is turned on after interval m·Tn3 for pulse of feed forward 1·(1-m)·Tu1, where m is coefficient of ratio of nominal load to actual, Tn3 is current value to upper half wave of auto-oscillation mode at two-position control. |
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Adaptive control system for dynamic objects with periodic factors and observer Proposed system comprises facto setting unit, first adder, first multiplier, second adder, delay unit, second multiplier connected in series with adjustment object, and, additionally, stationary state observer (SO). Note here that adjustment object output is connected to first input of stationary SO with its outputs connected to appropriate inputs of factor setting unit. First adder inputs are connected to appropriate factor setting unit outputs. First adder output is connected to both inputs of first multiplier and its second input is connected with second multiplier input. First input of second adder is connected to first multiplier output, second input being connected with delay unit output. Second adder output is connected to second multiplier first input and delay unit input. Second multiplier output is connected to adjustment object input and second input of stationary SO. |
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Adaptive control system for dynamic objects with periodic coefficients Series filter-compensator is introduced to the system; at that, input of series filter-compensator is connected to output of the first adder unit; output of filter-compensator is connected to the first and the second inputs of the first multiplier, as well as to the second input of the second multiplier; the first input of the second adder unit is connected to output of the first multiplier; the second input is connected to output of delay unit; output of the second adder unit is connected to the first input of the second multiplier and to input of delay unit; and output of the second multiplier is connected to input of control object. |
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Self-adjusting control system for objects with control delay Adaptive system includes the following: delay unit by value τ, the second adder, the second integrator, the third adder; at that, the first input of the second adder is connected to output of the second multiplier; the second input of the second adder is connected to output of the second integrator; the third input of the second adder is connected to output of delay unit; output of the second adder is connected to input of the second integrator the output of which is connected to the first input of the third adder and to the second input of the second adder; the second input of the third adder is connected to output of the first adder; the third input of the third adder is connected to output of the second multiplier; output of the third adder is connected to the second input of the first multiplier, and input of delay unit is connected to output of the second multiplier. |
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Controller, having a PID controller, connected by the output to the input of the control object and the first input of an identifier, the output of the control object is connected to the second input of the identifier, the output of which is connected to the input of a synthesizer, the first output of which is connected to the first input of the PID controller, the second input of the PID controller is connected to the output of an adder, the first input of which is connected to the output of the control object, the second input of the adder is connected to the output of a test signal generator. Included are an I-controller, a control unit and a unit for self-tuning the amplitude of the test signal. The test signal is tuned such that periods of test frequencies are multiples of the sampling period. The output of the PID controller is connected to the first input of the control unit, the output of which is connected to the input of the control object and the first input of the identifier, the second input of the control unit is connected to the output of the I-controller, the input of which is connected to the output of the adder, the third input of the control unit is connected to the second output of the synthesizer, the output of the control object is connected to the fourth input of the control unit and the input of the unit for self-tuning the amplitude of the test signal, the output of which is connected to the input of the test signal generator. |
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Frequency-domain adaptive control system Method is realised by tuning a test signal generator to that its frequency boundaries are close to boundaries of the natural frequency of the object. This enables to significantly cut on the identification time, which ensures stable operation of the system. To this end, the system also includes a unit for setting up parametres of the generator. |
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Programme controlled electric drive with ideal shaft line Programme controlled electric drive with ideal shaft line includes command device shaping movement diagrams of electric drive, position control loop filter made in the form of position unit, position control made in the form of position proportional-differential unit, filter of rotation speed control loop, which is made in the form of biposition proportional unit, adjuster of rotation speed control loop, which is made in the form of biposition differential unit, two algebraic adders, rotation speed control made in the form of position proportional integral differential unit, current control loop made in the form of biposition proportional unit, current control loop adjuster made in the form of biposition differential unit, current control made in the form of proportional integral bi-integral unit, inertia-free transducer, DC motor, actuator of mechanism, current sensor, rotation speed sensor, and position sensor. To electric drive there introduced is filter of position control loop, which is made in the form of position unit, adjuster of rotation speed control loop, which is made in the form of biposition differential unit. Position control is made in the form of position proportional differential unit. Links between the above elements are made as shown in the invention formula. |
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Signal-adaptive control system for dynamic objects with neutral-type delay Invention can be used in systems for controlling objects whose parametres are unknown constants or time-varying quantities. Such systems can be, for example, automated control systems for aircraft, nuclear reactors, hydro-reclamation structures etc. The method is realised owing to change in the delay algorithm by expanding it to a general case - neutral-type delay, more specifically by adding algorithms for setting up control coefficients and a neutral delay unit to the signal-adaptive control system. |
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Energy-saving device of electric power supply (flat, house, lands) with remote control In circuit design there used is oscillator, pulse counter, control assembly with logistor function, non-linear bipole, bipole power amplifier bidirectional thyristor switch, and miniature remote control panel. |
Another patent 2528369.