Modular single-cage barrier rotor double-stator self-excitation synchronous motor and control method thereof

The modularized Longzhang rotor dual-stator self-excitation magnetic-synchro motor and control method

technical field

:

[0001] The invention relates to a synchronous motor, wherein a Single modularized Longzhang rotor dual-stator self-excitation magnetic-synchro motor. The motor capable two of electromotor part, and capable of the operation generator.

Background method

:

[0002] The modularized Longzhang the rotor dual-stator self-excitation magnetic-synchro motor with 2 fixing portion, each stator with 2p for single-phase excitation symmetrical winding and 2q three-phase symmetrical excitation pole winding (2q or three-phase symmetrical excitation winding and 2p for single-phase symmetrical winding excitation magnet); and in the need of 2p_2q than 4, couplings between two sets of winding is realized by the p, =p+q antipode special design rotor; therefore and a motor no need installation brush ring, and realizing mechanical and electrical energy conversion by winding exciting the connection of magnetic field and winding excitation magnetic field, compares the motor is high reliability and maintenance and low cost with a normal synchronous motor. Can be used in a motor rotor structurally comprising a winding type and two ends categories. The winding type a single layer ring type short winding, tooth harmonic skein double-layer winding; Magnetoresistive provided with a tooth slot radial lamination stator pole reluctance motor and axial lamination reluctance motor.

[0003] Winding a rotor structure and is a manufacturing process and a normal motor is similar, the shortcoming and sacrificial rotor winding copper consumption to the stator two sets of windings' couplings full and price, moreover is unsatisfactory to the stator two sets of winding connecting abilities, the dynamic property of motor and compares the poor, and technical capability of tooth harmonic skein double-layer winding is unsatisfactory. The ends of the rotor is in a rotor is any copper consumption, varies to the stator two sets of winding connecting capacity and processing complex degrees. With the tooth slot radial lamination stator pole ends of the rotor is easy process, which is unsatisfactory to the stator two sets of windings' coupling; sourcesAxial lamination reluctance rotor are capability, and manufacturing process complex, applies the difficulty the large stator winding and alternating current motor. In addition, the control system in stator winding and alternating current motor is in a uncertainty parameter variable and disturbing power, a anti-interference capability poor and shortcomings.

invention content

[0004] Invention as follows: The invention claims a Single modularized Longzhang the rotor dual-stator self-excitation magnetic-synchro motor and control method, wherein aims to claims a both the convenient for production process, and a to of the maximization to each of two sets of winding connecting abilities, wherein a high-power density and excellent steady-state and dynamic property novel modularization Single Longzhang rotor dual-stator self-excitation magnetic-synchro structurally motor, simultaneously is greatly improves and an alternative current motor noise-immune dynamic energy.

[0005] technical solution: The invention uses the following technical solution:

[0006] The modularized Longzhang the rotor dual-stator self-excitation magnetic-synchro motor, which comprises the inner stator, a rotor, and a middle DC power supply; the is characterised: aThe motor along the radial direction in sequence from inside to outside of the inner stator and rotor, the outer stator; the inner stator and locating resin shaft and a fixed shaft in the same base; the inner stator and outer on the fixing seat 2p the three-phase symmetrical excitation winding and 2q for single-phase symmetrical winding excitation electrode, the pole number of poles of excitation and winding of excitation winding is further interchangeable, and periphery of the lower of 2p-2q than 4; The rotor internal-external surface is a different a cage-type to as the rotator component cover is each surface is h as a rotor in the circumferential direction; each cage compound the rotator component is close to the side of the magnetic material made into through the locating groove transit socket for connecting; The compound cage the rotator component is close to the opening surface is arranged on the plurality of radial trapezoidal groove; the radial trapezoidal limiting groove of the are further provided with unequal; each trapezoidal groove is wide along the radial direction with multiple unequal ladder-shaped groove; each trapezoidal groove is arranged on the conductor short-circuit ring cage bar; The adjacent cage compound the rotator component junction point is the step opening, wherein the adjacent compound cage rotator component spliced, wherein the elastic Pr form of a trapezoidal groove; and connecting module the depth of the socket; each of trapezoidal groove that wide along the radial direction with multiple unequal ladder-shaped groove; each of trapezoidal groove is arranged on the conductor ring of cage bar; The common cage strip and short cage bar which uses the end part collector ring is connected with form loop; A cage-type compound the rotator component centre is plurality groups tangential to retain the magnetic layer, and an is arranged on the short-circuit cage bar is trapezoidal combined with multiple groups of radial lamination magnetic to as a are two ends; the cage compound the rotator component in the form of a plurality is a magnetic layer.

[0007] Excitation winding and power grid for connecting, excitation winding and controlled direct-current power supply for connecting.

[0008] The common cage strip and short cage strip trapezoidal groove hole is opened on the opening and embedded to the clamped slot wedge; The common cage the end part ring and can be: The end part conductive ring of the common trapezoidal groove of cage the two side end part are with a layer of connection to each other; Further of the single layer of cage of the common trapezoidal groove is divided into two parts, two parts of common cage strip with a layer of cage on the end part conductive ring is connected with the adjacent base trapezoidal groove is respectively; Is in the inner layer of cage the outer layer of cage bar and on the common trapezoidal of the common trapezoidal groove and end part conductive ring for connecting; Further can be at the two adjacent base are trapezoidal comprises a multi- coil type coil conductor; The short-circuit cage the end part is connected with and can be: And a cage-type to as the rotator component are radial line and centre, corresponding to the same level short-circuit cage the end part is conductor for connecting the two ends; and multiple groups of freestanding ring is galvanic; aIs further connected with the corresponding trapezoidal groove inner layer short-circuit cage the outer layer short-circuit cage strip conductor for connecting, and multiple groups of freestanding type of chiasma concentric with a driving circuit; Further can be at two corresponding to the multi- the coil type coil conductor with level trapezoidal groove; the multiple groups of conductors coil value of winding on the rotator component of different further provided with is different.

[0009] The compound cage rotator the two sides is provided with a pressure plate; the pressure plate and intertrochanteric with an isolating layer; the pressure plate drills to as rotor locating hole site different from a cage-type a locating hole; the non-magnetic material made into pressing screw along the axial through the locating hole; a pressure plate two sides of the pressing fixing.

[0010] All the rotor winding body, the other public trapezoidal gaps groove and modules magnetic compound in the notch is connected to pour the high-temperature non-magnetic material or no edges.

[0011] An and is provided at The Longzhang control method of rotor dual-stator self-excitation magnetic-synchro motor, comprising characterised: aControl method for PIMD control method for realizing at The Longzhang the rotating speed of tracking rotor dual-stator self-excitation magnetic-synchro motor, wherein control thought in aggregate of The modularized Longzhang the rotor dual-stator self-excitation magnetic-synchro motor with uncertainty parameter variable and a of the power disturbing, and a delayed method, without removing by interference signal by control hysteresis time, and introduce H00 control policy; and robustness for improving; systemIs specifically: An excitation winding dq matching system, and The modularized Longzhang the electromagnetic moment of differential rotor dual-stator self-excitation magnetic-synchro motor is

[0012] Ά (/, p interface/; , N, V…. /^ Operating one + Βωτ Τι (I)

[0013] The type Pp, and P. And a a number of pole-pairs of represent excitation winding and excitation winding, ψφ is a d shaft device of excitation winding wire, and iqc is excitation current winding shaft (q device, a rotary speed output RECTIFIER, a rotor mechanical weight, the B of the rotating damping factor, Te for total electromagnetic moment, T1 is a load moment.

[0014] Two sides of the Laplace a to type (I), a plurality of the rated model transfer function P is

[0015] /Χ of ν) is the one (2)

Js as B

[0016] The through-connection function of controller capable of represent

[0017] K the voltage of the Kp+^-KiQ-T^ (3)

E s

[0018] The type, AN (or square) is a error, the U (u or) is a control input signal, K is a controller, Kp and Ki, Kd is controlled variable, Td is a time delay.

[0019] Time Rumsfeld inverse conversion to type ( 3 ), a plurality of

[0020]

(0021)

<img id="idf0001" file="CN103166399AD00071.tif" img-content="drawing" img-format="tif" />

[0022]

[0023]The type, square (i) is square (t) derivative to the time t,Kpn the Kp-Kd, and Kp ≥Kd ^dn the TdKd the

[0024] Provided with error (e t) comprises a an external caused by sine interference d is

[0025] d the Asin2 π ft (5)

[0026] The type, and A f is in interference input d amplitude value and frequencies. The e (t) =d (t), wherein polymeric (4), and second same one a writing-proof

[0027]

<img id="idf0002" file="CN103166399AD00072.tif" img-content="drawing" img-format="tif" />

[0028] A Td of the N/f; the N is natural number, and

[0029] sin (2) and A ft_2 A fTd) is the sin (2) and A ft_2 A N)

[0030] The sin (2 ft A) cos (2) is A N) +cos (2) and A ft) sin (2) is A N)

[0031] The sin (2) and A ft)

[0032] Adhesive type (6) is 3-winding, namely

<img id="idf0003" file="CN103166399AD00073.tif" img-content="drawing" img-format="tif" />

. The other testing, time delay time Td sleeved on N/f, type (6)

To The Ling, therefore, and removing differential one of interference input by the control hysteresis time Td, PIMD controller.

[0033] Adding weight function in PIMD controller, and which is convert the H00 control problems. A weight function of space is formed

[0034]

<img id="idf0004" file="CN103166399AD00074.tif" img-content="drawing" img-format="tif" />

[0035]The type We, and Wu and weight function, Ae, Ce, De, and Au Part, Cu, Carved is a constant, matrices

[0036] Weight function We is a requirement performance of decision system, and a plurality of the external disturbance and external signal input system of frequency usually, low for ensuring consistency between datum system energy efficiency suppressing interference and for tracking signal, the We usually with the integral or the high-gain low-pass, wherein time by an experiment a machine to collect repeatedly, and a straight rod We; valueWeight function Wu is wherein the lower of the high-frequency disturbance function wherein a baffle stably, for used for increasing controller, usually are not as Wu is a constant; The weight function Wd reflective load disturbing signal T1 function and strong the weak usually, and is further a constant.

[0037] The system ((S) is description

[0038]

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[0039]namely

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[0041] The type, x the two X1 x2 x3) is t the state parameter, y is a monitoring output signal; z the (Z1 Z2 1) is a estimating signal, a W the T1 is interference input signal, A, B1 B2, and C1^C2, D12, D21 is a matrix, the K the two Kp Ki Kd) is requirement solution controller. Augments the control device is G space is realized is

[0042]

<img id="idf0007" file="CN103166399AD00082.tif" img-content="drawing" img-format="tif" />

[0043] The hinfsyn function of MATLAB software, solve the controller and K repeatedly, is connected to the lower of H00 and design standard

[0044] Terminallft (g, k 11) „&lt; y( 3)

[0045] The type, I I I I ONE of the infinite norm, LFT (G, K) is below the linear conversion, a Y is a constant.

[0046] And: effectThe invention claims a novel modularization Single Longzhang the rotor dual-stator self-excitation magnetic-synchro motor, wherein an alternating current motor stator with two sets of windings' are abilities and strong, power density and mechanical and electrical energy conversion efficiency, high structurally modularized, simple process and convenient is made of large alternating current motor equal remarkable in.

[0047] The beneficial effects of this invention is: The motor rotor is a radial lamination magnetic to as with multiple groups of cage composite strip structure; while further improving rotor magnetic coupling capability, further lowered efficient air-gap field harmonic wave and consumption, the power density and performance of improving motor; The rotor lamination folding pressure along the radial direction, capable of reducing current eddy the inner-rotor core; the improving electric power; Stator pole central line of the electric conducting cage bar; and hierarchical design, which effectively overcomes the sensing the power line; effectExciting winding for holding the stator side brushless excitation, compared with a normal synchronous motor, no need the installation coaxial excitation system of the electric brush ring device; the motor for improving reliability; Is composed of h identical lamination groups rotor along the circumferential direction, such symplex structure capable of realizing is formed a lamination assembly is a full rotor, wherein the large reduced the process costs, convenient for producing batch. The novel compound rotor is structurally is novel, simple process, low costs and mechanical strength high and shaft, reliability structurally the modularized and convenient for industrial producing and other surface of the remarkable coefficients.

[0048] Control method for PIMD control method for realizing at The Longzhang the rotating speed of tracking rotor dual-stator self-excitation magnetic-synchro motor; the control method in aggregate of The modularized Longzhang the rotor dual-stator self-excitation magnetic-synchro motor with uncertainty parameter variable and a of the power disturbing, and a delayed method, without removing by interference signal by control hysteresis time, and introduce the H00 control policy, that can system for determining load disturbance without end of the motor, inhibit with strong robustness, greatly improves the anti-interference capability of an alternating current motor.

brief description fo the drawings

[0049] Digital 1 is the invention modularization Single Longzhang the rotor dual-stator self-excitation magnetic-synchro motor system structure schematic drawing;

[0050] Digital 2 is the invention motor stator structurally schematic drawing;

[0051] Digital 3) is a rotor structurally schematic drawing of the invention, motor

[0052] Digital 4) is a rotor module structure schematic drawing of the invention, motor

[0053] Digital 5 is the invention motor rotor pressure plate structurally schematic drawing;

[0054] The pattern 6 is the invention motor of cage strip of tri-shield end part connection mode schematic drawing;

[0055] Digital 7 is the invention motor of cage strip of tri-shield end part is developed mode, view

[0056] Digital 8 is the invention motor of cage bar and a connection mode developed view;

[0057] Digital 9 is the invention motor of cage bar and a connection mode end part ring, image

[0058] Digital 10 is the invention motor short-circuit cage bar and a connection mode schematic drawing;

[0059] Digital 11 is the invention motor short-circuit cage bar and a connection mode end part ring, image

[0060] Digital 12 is the invention motor of cage strip and short cage strip installation schematic drawing;

[0061] Digital 13 is the invention motor of cage strip and short cage bar and a connection mode developed view;

[0062] Digital 14) is PMD control circuit schematic drawing of the invention, motor

[0063] Digital 15) is H00 control problems schematic drawing of the invention PMD controller.

[0064] Auxiliary digital marked invention:

[0065] 1. Inner stator; 2. Outer stator; 3. Rotor; 4. Controllable DC power supply; 5. Power grid; 6. Excitation winding; 7. Excitation winding; 8. Shaft; 9. Spacer magnetic layer,10 Magnetic layer,11. Public cage bar; Short-circuit 12 cage bar; 13. Locating hole; 14. Locating groove; 15. Socket; 16. Module; the17. Slot wedge; 18. End part conductive ring.

Performing is specifically

[0066] The time to the invention claims a light of the auxiliary digital concretely invention:

[0067] Digital 1 is the invention modularization Single Longzhang the rotor dual-stator self-excitation magnetic-synchro motor system structure schematic drawing, the system is an inner stator 1, wherein the stator 2, 3 rotor, middle DC power supply 4, wherein the motor along the radial direction in sequence from inside to outside of the inner stator 1, rotor 3, wherein fixing portion 2, wherein the inner stator and lead through the lead (8) resin locating shaft and 8 fixed on the same base; the inner stator I and outer stator (2) comprises a 2p three-phase symmetrical excitation pole winding (6) and 2q for single-phase symmetrical winding excitation 7, comprising two power interface, two stator are four electric interface, excitation winding 6Is further interchangeable with the excitation winding 7 pole sheets, capable of realizing the stator two sets of different pole numbers winding electromagnetic coupling maximizations. Excitation winding 6 and power grid 5) for connecting, excitation winding 7 and controlled direct-current power supply 4) for connecting. The stator winding excitation 7) through a middle DC power supply 4) are internal stators and capable of adjusting the amplitude voltage value, and adjusting vibration motor winding 6 changeable generating and power factors (a) generator, capable of adjusting motor output rotary speed and torque (a) electromotor.

[0068] Digital 2 is the invention motor stator structurally schematic drawing, digital 2 (a) is the outer stator structurally schematic drawing, digital 2 (b) is a fixing it is yet announced substructure schematic drawing, the stator is close to rotors' surface uniformly slots; the groove is the two sets of pole sheets are 2p are arranged on the 2q freestanding symmetrical winding electrode, namely excitation winding 6 and excitation winding (7) are or excitation winding 7 and excitation winding 6); each groove is embedded with multilayer structure, wherein each turn with insulating; two pair of winding is a double-layer or a single-layer winding, a can be all the distance or a short distance.

[0069] Digital 3 is the invention motor a rotor structurally not intention, wherein the internal-external the rotor of metering with different Pr cage to as the rotator component cover is each of the convex ends are rotor in the circumferential direction; each cage compound the rotator component is close to the side of the magnetic material made into through a locating groove (14 NANDs 15) for connecting.

[0070] Digital 4 is the invention motor a cage-type compound the rotator component schematic drawing; each module is close to a provided with a plurality of radial trapezoidal groove; each trapezoidal groove is wide along the radial direction with multiple unequal ladder-shaped groove; each trapezoidal groove is arranged on the conductor short-circuit ring cage strip 12, a latch the costs and simplifying process is further installed at the inner conductor in some trapezoidal grooves; In addition, the adjacent cage compound the rotator component junction point is the step opening, wherein the two adjacent cages as the combined module, a wherein the connecting point of forming trapezoidal groove; and bottom the module are 16 depth of socket 15 surface; the main capable of the adjacent isolation module magnetic flux, wherein in each module of a freestanding is provided with a connecting, a improving are performances of corresponding side motor stator two sets of winding, a full the inner surface and outer surface voltage to the common trapezoidal grooves; h as cages the rotator component along the circumferential direction magnetism isolation, wherein the socket (15) are non-magnetic material; therefore eachA cage-type compound between the rotor which is made of magnetic, internal-external two sides of the cages between the rotor compound which is made of magnetic, which includes a structurally with of two surface of a freestanding, each of trapezoidal groove is wide along the radial direction with multiple unequal ladder-shaped groove; each of trapezoidal groove is arranged on the conductor ring of cage 11 bar. The common cage strip 11 and short cage strip 12 troughs' trapezoidal at the opening of the opening and embedded to the clamped slot wedge 17, which is used for the fixing groove a cage-type bar. A trapezoidal of the groove width of the close to the stator is greater than or more than for of the socket (15) are 1-5, wherein as for overcoming current sensing effect layer, a cage-type strip layer is trapezoidal groove has a single layer or a multi-layer; a step for selecting layer according to the pattern cable, wherein the; and a cage-type strip and rotor are overlapped insulating end of the isolation, a cage-type bar through the end part of the hanging looping-, the invention attached digital selecting layer is 2. Digital to three cage compound the rotator component centre is plurality groups tangential to retain the magnetic layer (9), and an is arranged on the short-circuit cage bar is trapezoidal combined with multiple groups of U radial lamination magnetic to as a are two ends; the cage compound the rotator component in the form of a plurality is a magnetic layer 10, wherein as is increased of over shaft ends, a pin shaft ends, a convenient for magnetic flux of the route the circulation of magnetic field control., the cages as between the rotor module of freestanding, wherein the is added spacer magnetic layer (9) and U radial lamination magnetic composite, wherein magnetic field wireless power distinct improved, moreover spacer magnetic of layer is more; the effect of the status, andThe spacer magnetic layer is too multiple, wherein costs is increased, therefore spacer magnetic layer is arranged on the is a layer. In addition, magnetic layer that is connected to the same or unequal; the width no hole isochronism embedded the short-circuit cage strip trapezoidal limit groove, unequal capable of the two output ends, weaken the disadvantageous magnetic field harmonic wave amplitude value; for enhanced magnetic field harmonic wave amplitude value; the stator improving two sets of windings' are abilities, a stray losses, improving performance of motor, wherein it is made of guiding the other performance and magnetic conductive layer. The compound cage the rotator component the inner to retain the magnetic is layer and an outer wall of the magnetic layer is plurality of locating hole 13.

[0071] All the rotor winding body, the other public trapezoidal gaps groove and modules magnetic compound in the notch is connected to pour epoxy resin or the high-temperature non-magnetic material, wherein one of the enhanced rotor integral system, a noise to vibrate, an upper pedestal and a cage-type bar; Further can not end of the tubular of the ventilation heat radiating, the lowered motor temperature raising, improves the motor performance, and further can makes the magnetic circuits which are module is provided with a. A cage-type compound the rotator component is lamination axial) are intermediate-voltage, wherein as capable of reducing current eddy the inner-rotor core, improves the electrical power. The rotor for modularized form, that is to process a rotator component assembly is a full rotor, wherein the large reduced the process costs, generating motor outer diameter is high-power motor, hearing the motor industrial producing.

[0072] Digital 5 is the invention motor rotor pressure plate structurally schematic drawing, the rotor pressure plate arranged on the rotor shaft to two ends; outer profile of different and a rotor, a pressure plate and intertrochanteric with an isolating layer; the pressure plate drills to as the rotor locating hole (13) see shape with a cage-type 3) are different locating hole 13, wherein the non-magnetic material made into pressing screw along the axial through the locating hole 13, pressing screw rod and a rotor module with insulating; a pressure plate two sides of the pressing fixing, pressing screw external locating hole connected with crossed compound the rotator component to work the axial pressing role to a cage-type, wherein an counteract rotator component rotate centrifuge force of withstood. The pressure plate outside and rotor is trapezoidal same position and a trapezoidal different notch; the common cage strip 11 and short cage strip 12 from the gap, through a on the end part link.

[0073] The invention motor rotor of without installing the common cage bar; in addition further provided with a without installing the short-circuit cage strip or an installing any cage bar, the rotor internal-external two ends of different further provided with is different. The common cage strip and short cage bar of work magnetic field modulating action, wherein the common cage strips arranged as the centre, therefore wherein magnetic field or a effect is more than status the short-circuit cage bar; therefore and public cage strip and short cage bar is motor performance of best, later from inside to is only by the common cage strip hole, only by the short-circuit cage bar, form of the installing any cage bar is.

[0074] The pattern 6 is the invention motor of cage strip of tri-shield end part connection mode schematic drawing, and end part conductive ring 18 the common trapezoidal of the common cage strip 11 two side end parts on layer ring, and K side loop, the outer magnetic flux through loop network, an inductive electromotive force, wherein the form of a return circuit, the current generate's magnetic field direction of the opposite and outer magnetic flux direction, wherein affects to flow through rotor of ground wire, so the main wire stretches to the rotor from the stator pole seat, non-magnetic spacer and function of the baseplate path, improved magnetic field control, wherein the inner layer and outer layerThe end part conductive ring between 18 and insulating; therefore between the winding machine by the current, so the common cage bar and 11 end part conductive ring 18 copper consumption lowered and magnetic field effect modulation is better.

[0075] Digital 7 is the pattern 6 the common cage the end part is developed mode view.

[0076] Digital 8 is the invention motor of cage bar and a connection mode developed view; the common trapezoidal of the single layer of cage of 11 to is divided into two parts, and middle insulation, two parts of common cage strip and public cage strip and public trapezoidal groove through end part conductive ring (18) for connecting, and is h freestanding annular loop the same layer of cage strip 11 are connected with, wherein spacer magnetic action and digital 7), and internal-external two-layered comprises a display, and further of the common cage of the current, lowered public cage bar and 11 end part conductive ring 18 losses copper, improves magnetic field control, effectCan also comprises a multi- coil type coil of the two adjacent base are trapezoidal, which is connected with hint with digitally 8), and multi- coil winding coil, capable of reducing layer effect, wherein the number of the windings are multiple wherein the nonmagnetic is more status, a motor-field modulation better effect.

[0077] Digital 9 is the invention motor for motor of cage bar and a connection mode of the connecting position, the outer layer of cage 11 of the inner layer of cage strip 11) on a reverse trapezoidal groove and end part conductive ring (18) for connecting adjacent; the h is different layer freestanding annular loop, wherein the connection mode developed view and digital 8), meet's effect is different.

[0078] Digital 10 is the invention motor short-circuit cage bar and a connection mode schematic drawing; each cage compound the rotator component; and a cage-type to as the rotator component are radial line and centre, the corresponding to the same level short-circuit cage the end part is conductor for connecting, and multiple groups of freestanding ring is galvanic, is provided with a common cage the same separation magnetic action, and further improve the magnetic field control effect similar, wherein a circuit loop with insulating; the inner layer short-circuit cage strip and outer layer short-circuit cage bar form's annular circuit and a insulating. Connected with the corresponding two contained in the multi- coil type coil conductor with level trapezoidal groove; with multiple groups of freestanding ring is multi- ring galvanic); and multi- coil winding coil, capable of reducing layer effect, wherein the number of the windings are multiple wherein the nonmagnetic is more status; the magnetic field effect modulation is good; the same rotator component with concentric annular loop of the windings of multiple groups of freestanding of the are further provided with unequal, the inequality is connected to weaken of the magnetic field the disadvantageous harmonic wave magnetic field, improves the stator two sets of windings' are abilities, a stray losses, further improving performance of motor.

[0079] Digital 11 is the invention motor short-circuit cage bar and a connection mode of the connecting position, the outer layer short-circuit cage strip with the corresponding trapezoidal groove inner layer short-circuit cage bar through conductor for connecting, and multiple groups of freestanding type of chiasma concentric with a return circuit, meet's effect and digital 10) is different mode.

[0080] Digital 12 is the invention motor of cage strip and short cage strip installation schematic drawing; the position of the cage strip and connection mode of image 6, wherein the short-circuit cage bar for digital 10 connection mode. No matter for are formed; and common cage strip and short cage bar is the insulating.

[0081] Digital 13 is the second a common cage strip and short cage bar connecting way developed view; the same position layer of cage strip and short cage bars and side end part is the same end part conductive ring a. To the no affect of the terminal, not only reduced the two ends of the connecting rod; the simplifying the motor end part structurally, lowered motor. weight, wherein the cage on the two sides; each conductive loop inner sense EMF of; the current of winding is connected with the motor, copper lowered consumption, improves efficiency.

[0082] The connection mode are applied to the inner rotor and rotor of common cage strip and short cage bar is connected with.

[0083] Digital 14 is the invention modularization Single Longzhang the PMD control circuit schematic drawing with the dual-stator self-excitation magnetic-synchro motor, assigns, a rotary speed, wr is rotary speed output, square is a error, u is a control input signal, K is a controller, Kp K1, and Kd is controlled variable, Td is a time delay RECTIFIER, a rotor mechanical weight, the B for rotating damping factor, Kf is a torque coefficient; the t1 is a load moment; P is a rated model of controlled device.

[0084] Control method for PIMD control method for realizing at The Longzhang the rotating speed of tracking rotor dual-stator self-excitation magnetic-synchro motor, wherein control thought in aggregate of The modularized Longzhang the rotor dual-stator self-excitation magnetic-synchro motor with uncertainty parameter variable and a of the power disturbing, and a delayed method, without removing by interference signal by control hysteresis time, and introduce H °° control policy; and robustness for improving system.

[0085] An excitation winding dq matching system, and The modularized Longzhang the electromagnetic moment of differential rotor dual-stator self-excitation magnetic-synchro motor is

[0086]

<img id="idf0008" file="CN103166399AD00121.tif" img-content="drawing" img-format="tif" />

[0087] The type Pp, and p. And a a number of pole-pairs of represent excitation winding and excitation winding, Wdp is a d shaft device of excitation winding wire, and iqc is excitation current winding shaft (q device, Te of the total electromagnetic moment.

[0088] Two sides of the Laplace a to type (I), a plurality of the rated model the transfer function of

[0089]

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[0090] The through-connection function of controller capable of represent

[0091]

<img id="idf0010" file="CN103166399AD00123.tif" img-content="drawing" img-format="tif" />

[0092] Time Rumsfeld inverse conversion to type (3), a plurality of

<img id="idf0011" file="CN103166399AD00124.tif" img-content="drawing" img-format="tif" />

[0096]The type, and is square (t) derivative to the time t,Kpn the Kp-Kd, and Kp not Kd ^dn the TdKdo

[0097] Provided with error (e t) comprises a an external caused by sine interference d is

[0098] d Asin2 the n ft (5)

[0099] The type, and A fRespectively interference input d amplitude value and frequency. The e (t) =d (t), wherein polymeric (4), and second same one a writing-proof

[0100]

<img id="idf0012" file="CN103166399AD00125.tif" img-content="drawing" img-format="tif" />

[0101] A Td of the N/f; the N is natural number, and

[0102] sin (2) and A ft_2 A fTd) is the sin (2) and A ft~2 A N)

[0103] The sin (2 ft A) cos (2) is A N) +cos (2) and A ft) sin (2) is A N)

[0104] The sin (2 3i) ft

[0105] Adhesive type (6) is 3-winding, namely

<img id="idf0013" file="CN103166399AD00131.tif" img-content="drawing" img-format="tif" />

. The other testing, time delay time Td sleeved on N/f, type (6)

To The Ling, therefore, and removing differential one of interference input by the control hysteresis time Td, PIMD controller.

[0106] Digital 15 is the invention PMD controller H °° control problems schematic drawing, wherein PMD control circuit schematic seen in shown the digital 14 adding weight function, and which is convert H ( 1 ) problems control. A weight function of space is formed

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[0108]The type We, and Wu and weight function, Ae, Ce, De, and Au Part, Cu, Carved is a constant, matrices

[0109] Weight function We is a requirement performance of decision system, and a plurality of the external disturbance and external signal input system of frequency usually, low for ensuring consistency between datum system energy efficiency suppressing interference and for tracking signal, the We (S) is usually the integral or the high-gain low-pass, wherein time by an experiment a machine to collect repeatedly, and a straight rod We; valueWeight function Wu (S) is wherein the system with high disturbance function wherein a baffle stably, for used for increasing controller, usually are not as Wu is a constant; The weight function Wd reflective load disturbing signal function and strong the weak; the t1 is usually wire is a constant.

[0110] Digital 15 G system (S) is description

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[0114] The type, X the two X1 x2 X3 1) is a state parameter, y is a monitoring output signal; z the (Z1 Z2 1) is a estimating signal, a W the T1 is interference input signal, A, B1 B2, and C1^C2, D12, D21 is a matrix, the K the two Kp Ki Kd) is requirement solution controller. A plurality of the reinforcing control device ((s) is space is realized by digital 15) is

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[0116] The hinfsyn function of MATLAB software, solve the controller and K repeatedly, is connected to the lower H of which with standard

[0117] Terminallft (g, k 11) „&lt; y (3)

[0118] The type, I I I I am a infinite norm, LFT (G, K) is below the linear conversion, a Y is a constant.

[0119] Claims PIMD control method for using capable of The modularized Longzhang the rotating speed of tracking rotor dual-stator self-excitation magnetic-synchro motor; the efficient inhibit the system is determined load disturbance, has strong robustness, greatly improves the anti-interference capability of an alternating current motor.