RussianPatents.com
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Software programmable positional electric drive with improved characteristics based on inertial converter with elastic shafting. RU patent 2464696. |
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FIELD: electricity. SUBSTANCE: 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. EFFECT: increased efficiency of a speed circuit four times, a position circuit - eight times, which will make it possible to improve accuracy of positioning of a mechanism actuator when realising specified diagrams of movement. 1 dwg
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Software-controlled positioned electric drive with improved characteristics based on inertial converter with ideal shaft line / 2455749 Software- controlled position electric drive contains a command device for generation of the electric drive displacement diagrams, the position circuit filter represented by an aperiodic unit, a position controller represented by a periodic unit, a position corrector represented by a positional proportional differential unit, the rotation rate circuit filter represented by a bipositional proportional differential unit, a rotation rate controller represented by a proportional integral unit, a rotation rate corrector represented by a positional proportional differential unit, the current circuit filter represented by a bipositional proportional differential unit, a current controller represented by a proportional integral bi-integral unit, a current corrector represented by a positional integral bi-integral unit, an inertial converter, a DC electric motor, the mechanism actuator, a current sensor, a speed sensor, a position sensor. |
Device for automatic control of electromechanical system with viscoelastic kinematic link / 2446552 Device for automatic control of an electromechanical system with viscoelastic kinematic link comprises a thyristor converter, a current sensor, an intensity setter, a summator, an integrator, the first and second speed sensors, a summing amplifier, a non-linear and liner elements of a current cutoff circuit, an integral-differential link, three amplifiers. Besides, a proportional link is introduced in it, being connected to an inlet of the summator and having a transfer function where K5 is an integrator amplification ratio; τ1 is a time constant of the integral-differential link. |
Lifting equipment electric drive / 2432664 Standard micro positioning programme-controlled electric drive incorporates standard controller. In compliance with this invention, new circuit components are incorporated therewith, that is, actuator position circuit filter, actuator rpm circuit corrector, motor position pickup, first double inertial - proportionally - double differential unit, first algebraic adder, double inertial-proportional unit, second double inertial - proportionally - double differential unit, second algebraic adder, double inertial-differential unit, double inertial unit, as well as third algebraic adder of second aperiodic unit and second inertial-differential unit, to allow producing transfer functions of current adjustment, rpm and actuator position adjustment. |
Synchronous-cophased electric drive / 2422978 In a synchronous-cophased electric drive, a generator of additional pulses is equipped with a non-linear element with an insensitivity area, which makes it possible to increase electric drive efficiency in a phasing mode in the area of low frequency rotation by reduction of phasing cycle duration, and in the area of high rotation frequencies - due to absence of accumulation in cycles of a velocity error phasing. The circuit realisation of a unit for detection of a phase mismatch arranged as specified in the application materials makes it possible to increase its efficiency and accordingly efficiency of an electric drive in the phasing mode due to continuous detection of an angle mismatch as pulses of master frequency and pulses of feedback frequency. |
Software programmable position electric drive with elastic shaft line / 2417511 Software programmable position electric drive with elastic shaft line comprises a controller, which generates diagrams of the electric drive displacement, a filter of position control circuit, a position controller, a filter of rotation frequency control circuit, a corrector of frequency rotation control circuit, an algebraic summator of rotation frequency control circuit, a rotation frequency controller, a filter of current control circuit, a current control circuit corrector, an algebraic summator of current control circuit, a current controller, an inertialess converter, a DC motor, connected by an elastic shaft line with an actuator of a mechanism, a current sensor, a sensor of electric motor rotation frequency, a sensor of indirect measurement of the first derivative of elastic torque, two feedback correctors, a sensor of mechanism actuator rotation frequency, a sensor of mechanism actuator position. Specified elements are arranged and connected to each other as it is specified in application papers. |
Direct current motor control device / 2375810 Device refers to electric engineering and can be used to control direct current motor predominantly when fed from low-voltage source. Device contains electric power supply, switching-on unit, bridge inerter, five current sensors, input filter, four drivers, direct current motor, two temperature transmitters, three switch-rectifier units, regeneration unit, switching control unit, high-voltage filter, capacitive storage, power switch, voltage sensor, bridge inverter control unit (BICU) and low-voltage inverter control unit (LVICU). |
Micro-positioning software programmable electrical drive with elastic drive shafting / 2350009 Invention may be used in industrial plants to displace actuator mechanism along optimal by fast-action diagram, i.e. in possible minimum time. The device consists of an AC electrical drive, inertia-free converter, elastic drive-shafting, actuator, controller, electrical drive position regulator, filter, electrical drive rotation frequency regulator, current regulator, current sensor, motor rotation frequency regulator, actuator rotation frequency sensor, actuator position sensor, inertial-differential pulley 1, algebraic adder, aperiodic unit 2, inertial-differential pulley 2. In addition, the inertial-differential pulley 3, aperiodic unit 3 and algebraic adder 2 are introduced in the drive. |
Semiconductor converter of vehicle fed from ac mains / 2281599 The semiconductor converter of a vehicle fed from the AC power mains has a bridge rectifier connected to the leads of the secondary winding of the traction transformer, whose primary winding is connected to the power supply mains. The load - the smoothing reactor, windings of the armature and excitation of the traction motor - is connected to the rectifier output. The smoothing reactor is made with two magnet-coupled windings - the main and auxiliary ones, the main winding of the smoothing reactor is series-connected to the traction motor. The capacitor, buffer valve and the switching unit are series-connected and connected to the rectifier output. The shunting diode is connected in parallel with the capacitor, and the series-connected charging diode and the auxiliary winding of the smoothing reactor are also connected in parallel with the capacitor. |
Adaptive control system / 2461037 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. |
Adaptive tracking system for objects with delay on state, control and of neutral type / 2460111 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. |
Adaptive system for controlling and stabilising physical quantities / 2457529 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. |
Manipulator drive / 2454696 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. |
Manipulator drive / 2454695 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. |
Manipulator electric drive / 2453893 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. |
Articulator's electro drive / 2453892 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. |
Apparatus for generating programmed control signals / 2453891 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. |
Adaptive control system for dynamic objects with periodic coefficients and lag / 2450301 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. |
Self-adjusting electric drive / 2450300 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. |
Rotor electromechanical suspension control system / 2460909 Every control system channel incorporates rotor position transducer 1, inertial regulator 3, proportional controller 3, differentiator 4, PD controller 5, power transducer 6, two electromagnets 7 and 8, proportional link 9, module separation unit 10, setting unit 11, adder 12 and divider 13. |
Software-controlled positioned electric drive with improved characteristics based on inertial converter with ideal shaft line / 2455749 Software- controlled position electric drive contains a command device for generation of the electric drive displacement diagrams, the position circuit filter represented by an aperiodic unit, a position controller represented by a periodic unit, a position corrector represented by a positional proportional differential unit, the rotation rate circuit filter represented by a bipositional proportional differential unit, a rotation rate controller represented by a proportional integral unit, a rotation rate corrector represented by a positional proportional differential unit, the current circuit filter represented by a bipositional proportional differential unit, a current controller represented by a proportional integral bi-integral unit, a current corrector represented by a positional integral bi-integral unit, an inertial converter, a DC electric motor, the mechanism actuator, a current sensor, a speed sensor, a position sensor. |
Control / 2427868 Control includes the first and the second adder, the first and the second amplifier, differentiating link and relay element. Peculiar feature of the control consists in introduction of relay element to known proportional-differential control. At that, input of differentiating link is connected directly to control feedback input, and output is connected through amplifier to negative output of the second adder. |
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