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Self-adjusted control system for neutral-type delayed-control equipment |
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IPC classes for russian patent Self-adjusted control system for neutral-type delayed-control equipment (RU 2246123):
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The invention relates to automatic control systems and can be used in the systems of control objects, the parameters of which are unknown constant or slowly time-varying values
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The invention relates to automatic control systems and can be used for linear dynamic management objects with a wide range of unknown, constant or slowly time-varying parameters
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The invention relates to automatic control systems, particularly to systems for controlling the position of the inertial objects
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The invention relates to automatic control and can be used to control bridge Converter with PWM and LC filter in the continuous part with a given shape of the curve of the output parameter (voltage or current)
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The invention relates to automatic control, and is intended for controlled bridge converters with double-sided PWM and LC filter in the continuous part
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The invention relates to automatic control systems and can be used in the systems of control objects, the parameters of which are unknown constant or time-varying values
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The invention relates to automatic control systems and can be used in the systems of control objects, the parameters of which are unknown constant or time-varying values
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The invention relates to the technical Cybernetics and can be used in the systems of control objects, the parameters of which are unknown constant or slowly time-varying values
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The invention relates to automatic control, namely the implementation of the three-position controllers with adaptive average position, and can be used for automation of industrial objects and objects of household appliances for automatic control in them or other technological units
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The invention relates to robotics, and is used to create a system of speed control of an underwater robot
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Proposed system that can be used for pieces of equipment whose parameters are unknown variables or those slowly varying with time has piece of equipment under control, three factor specifying units, five adders, eight multipliers, five integrators, three delay units, and differentiating unit.
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Device has control subject, two execution blocks, output coordinate sensor, sensor for value of coordinate adjusting action, delay block, control block, low frequency filter, adder, three comparison blocks, no-delay object model, two extrapolation blocks, output coordinate set-point device, object state parameters sensors block, object state set-point devices parameters block, robust filter, object state estimation block, threshold elements block, controlling parametric actions generator.
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System has control subject, coefficients setting block, two adding blocks, two multipliers and coefficient setting block.
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Invention relates to methods of control and overload and failure protection of boom load-lifting cranes. According to proposed method, first and second threshold levels are set for at least one parameter characterizing load, geometry or operating conditions of device. Provision is made for checking said parameter in operation and comparing its value with first threshold level, forming of device control signal if parameter exceeds first threshold level, comparing parameter with second threshold level and forming signal to prohibit operation of device or its component part if second threshold level is exceeded. Moreover, rate of parameter changing is revealed, and first threshold level is set depending on rate of change of said parameter or reduced inertia moment or reduced mass of moving device or its component part.
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System has set-point device, first adder, adjusting means, first object model, first delay element, second object model, adjustment block, processed product movement indicator, first quantizer, compensation adjusting means, second adder, multiplier, extrapolator, comparison element, second quantizer, second delay element, first, second, third and fourth keys.
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Device has controlling trigger, random pulses generators block, AND element, timer, random pulses generators group, second AND element, two OR elements, two counters and delay line.
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Device additionally has second block for forming controlling signal and second block for forming sweeping signal. This provides in tracking inverter with one-side two-pole broad-pulse modulation the realization of control law with two control signal respectively for forming of output signal of positive and negative polarity with preservation of modulation type and proper order of commutation in pulse elements block during change of support signal sign.
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System can be used for controlling objects with parameters to be time-dependent values with constant period of change. System has object to be controlled, coefficient setting unit, two adders and two multipliers, delay unit.
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Device has controlling neuron network, efficiency coefficient block, teaching neuron network, block for self-teaching rules of controlling neuron network, block for storing system operation history.
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Method for controlling chemical technological process includes current control over signal, connected to technological equipment positioned downstream relatively to chemical reactor, to determine transfer processes occurring there, while current control of signal includes periodic current control of signal of scanning line position from device, which carries information relatively to nominal operation parameters of process and following periodic observation of signal for detection of one or more transfer processes in aforementioned technological equipment above or below scanning line, which arced to alternation of material quality, received during chemical production process, then connection between change of product quality and detected transfer processes is determined, process parameter adjustment, connected to technological equipment positioned upstream, in response to change of quality of product. Also presented is method for controlling production of polyolefin in process of polyolefin production, for which reactor is utilized for polymerization of polyolefin.
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FIELD: engineering cybernetics. SUBSTANCE: proposed system that can be used for pieces of equipment whose parameters are unknown variables or those slowly varying with time has piece of equipment under control, three factor specifying units, five adders, eight multipliers, five integrators, three delay units, and differentiating unit. EFFECT: ability of stabilizing self-adjusted system used for delayed-control neutral-type equipment. 1 cl, 1 dwg
The invention relates to the technical Cybernetics and can be used in the systems of control objects, the parameters of which are unknown constant or slowly varying in time value. The closest technical solution to the present invention is a self-tuning control system, containing the first block of the task of the coefficients, the first adder, the first multiplier, the first integrator, the second multiplier, a second adder, the object of regulation, the first unit delay, a third multiplier, a second integrator, a fourth multiplier, the second block set coefficients, third and fourth adders, the differentiation block, the second block of delay, the fifth multiplier, the third integrator and the sixth multiplier. The signals from the outputs of a controlled act simultaneously to corresponding inputs of the first and second blocks of job factors. The signals from the outputs of the first block of the task of the coefficients are received at the respective inputs of the first adder. The signals from the outputs of the second block set coefficients are received at the respective inputs of the fourth adder. The output signal of the first adder is fed to the input of the first unit delay to the first input of the first multiplier and the second input of the second multiplier and the third adder. The output signal of the fourth adder will occupait to the input of the differentiation block. The output signal of the differentiation block is fed to the input of the second unit delay and to the first input of the third adder. The output signal of the third adder is fed to the second inputs of the first, third and fifth multipliers. The output signal of the first multiplier is fed to the input of the first integrator. The output signal of the first integrator to the input of the second multiplier. The output signal of the second multiplier is fed to the first input of the second adder. In the first block lag is the delay of the signal at time The disadvantage of this system if the object lag management, is the instability of the equilibrium position. The aim of the invention is the provision of asymptotic stability of the equilibrium position of the system in the presence of the object lag management. This object is achieved in that in a system containing two units of job factors, two unit delay, four adder, three integrator, six multipliers, block differentiation, the object of the regulation; the outputs of a controlled simultaneously connected to respective inputs of the first and second block set coefficients whose outputs are connected to respective inputs of the first and fourth adders, the output of the first adder connected to the first input of the first multiplier to the second input of the second multiplier to the input of the first unit delay and to the second input of the third adder, the output of the first multiplier is connected to the input of the first integrator, the output of the first integrator connected to the first input of the second multiplier, the output of the second multiplier connected to the first input of the second adder, the output of the first unit delay bound is an first input of the third multiplier and the second input of the fourth multiplier, the second input of the third multiplier connected to the output of the third adder, the output of the third multiplier connected to the input of the second integrator, the output of the second integrator is connected to the first input of the fourth multiplier, a fourth multiplier connected to the second input of the second adder, the output of the fourth adder connected to the input of the differentiation block, the output of which is connected to the input of the second unit delay, the output of the second unit delay associated with the first input of the fifth multiplier and a second input of the sixth multiplier, a second input of the fifth multiplier connected to the output of the third adder, the output of the fifth multiplier connected to the input of the third integrator, and the output of the third integrator connected with the first the entrance of the sixth multiplier, the output of the sixth multiplier is connected to the third input of the second adder, entered the fifth adder, the fourth integrator, the third block set coefficients, the third unit delay, the seventh multiplier, the fifth integrator, the eighth multiplier, and the entrance of the third unit delay connected to the output of the second adder, the output of the third unit delay associated with the input object of regulation, with the second input of the fifth adder with a first input of the seventh multiplier and a second input of the eighth multiplier, a first input of the fifth adder connected to the output of the second sum is ora, the second input of the fifth adder connected to the output of the third unit delay, and the third input of the fifth adder is connected with the output of the third block set coefficients, the output of the fifth adder connected to the input of the fourth integrator, the output of the fourth integrator is connected to the input of the third block of the job factors and to the first input of the third adder, the second input of the seventh multiplier associated with the output of the third adder, the output of the seventh multiplier connected to the input of the fifth integrator, the output of the fifth integrator connected to the first input of the eighth multiplier, the output of the eighth multiplier connected to the fourth input of the second adder. The drawing shows a block diagram of the system. The system contains the first block of the task of the coefficients 1, the first adder 2, the first multiplier 3, the first integrator 4, the second multiplier 5, the second adder 6, the object of regulation 7, the first block lag 8, the third multiplier 9, the second integrator 10, a fourth multiplier 11, the second block set 12 coefficients, the third adder 13, the fourth adder 14, the differentiation block 15, the second block lag 16, the fifth multiplier 17, the third integrator 18, the sixth multiplier 19, the fifth adder 20, the fourth integrator 21, the third block set coefficients 22, the third block lag 23, the seventh multiplier 24, the fifth integrator 25, the eighth Omnitel is 26. The object of the regulation is described by the equation where x∈Rnthe state vector of the object of regulation, τ1>0, τ2>0, τ3>0 is a known constant delay, y∈Rm- the output vector of the measured coordinates, u is a scalar control action, ϕ(s) - the initial vector function, A, D, G, L, b - matrix and the vector of dimensions (n×n), (n×n), (n×n), (m×n), (n×l), respectively, depends on the vector of unknown parameters ξ(t)∈Ξ, Ξ - known set of possible values of the vector ξ(t). The object is connected to the controller where χ1that χ2that χ3that χ4- custom settings of the controller, g1, g2- numeric vectors chosen from the following conditions: gallizioli polynomial g
Using the criterion of giperustoichivost Popova, it is possible to show that the implemented algorithm tuning of controller parameters where α>0, β>0, γ>0, λ>0, z is the output of the additional circuit whose dynamics is described by the equation where a0>0 is a number ensures asymptotic stability of the system. The system operates as follows. The signals from the outputs of the object of regulation 7 arrive simultaneously on the corresponding inputs of the first 1 and the second 12 block set coefficients. In the first block 1 job factors is the multiplication of the signal yiby a factor of g1i. The signals from the outputs of the first block 1 job factors act to corresponding inputs of the first adder 2 are formed. Signal The proposed system has more functionality, as it can work with objects of neutral type with time-delay control. This device can be implemented industrially, on the basis of standard elementary base. Self-tuning control system for objects of neutral type with time-delay control, containing the first block of the job factors, connected in series to the first adder, the first multiplier, the first integrator, the second multiplier, a second adder, connected in series, the first unit delay, a third multiplier, a second integrator and a fourth multiplier, connected in series, the second block set coefficients, the fourth adder, the differentiation block, the second block of delay, the fifth multiplier, the third is the integration of the ATOR, the sixth multiplier, the outputs of the object of regulation is connected to the corresponding inputs of the first and second blocks of job factors, the outputs of the first block of the task of the factors connected to respective inputs of the first adder, the output connected to the second input of the second multiplier, the second input of the third adder and the input of the first unit delay, the output of which is connected to a second input of the fourth multiplier is connected the output to the second input of the second adder, the outputs of the second unit job factors connected to respective inputs of the fourth adder, the output of the third adder connected to the second inputs of the first, third and fifth multipliers, the output of the second unit delay is connected to a second input of the sixth multiplier whose output is connected to the third input of the second adder, characterized in that the system entered the fifth adder, the fourth integrator, the third block set coefficients, the third block lag, connected in series seventh multiplier, the fifth integrator and eighth multiplier, a first input of the fifth adder is connected with the output of the second adder input of the third unit delay connected to the output of the second adder, the output of the third unit delay connected to the second input of the fifth adder to the first input of the seventh multiplier, what about the second input of the eighth multiplier and to the input of the object of regulation, the second input of the seventh multiplier associated with the output of the third adder, the output of the seventh multiplier is connected to the fifth input of the integrator, the output of which is connected to the first input of the eighth multiplier, the output of the eighth multiplier is connected to the fourth input of the second adder, the output of the fifth adder is connected with the fourth integrator, the output of which is connected to the input of the third block of the job factors and to the first input of the third adder, the output of the third unit job factors connected with the third input of the fifth adder.
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