CN205453576U - Motor control system - Google Patents
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- CN205453576U CN205453576U CN201521124574.6U CN201521124574U CN205453576U CN 205453576 U CN205453576 U CN 205453576U CN 201521124574 U CN201521124574 U CN 201521124574U CN 205453576 U CN205453576 U CN 205453576U
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Abstract
The utility model relates to a circuit control field, in particular to motor control system. The utility model provides a motor control system is through controlling alone being controlled much more unconnected mutual phase winding in the motor, with the electric current size in every phase winding and direction adjust to or maintain the command for be controlled the motor and reach the target property, and need not connect each phase winding for star type structure or closed loop, more need not make a round trip to switch over between star type structure and closed loop with each phase winding, thereby reach the simplified circuit, improve system stability's purpose, for among the prior art connecting each phase winding in the motor for specific topological structure, the utility model provides a motor control system, method are more nimble to the control of motor, do not change be controlled the motor in the relative position of each phase winding, under the circumstances about not interconnecting, need to connect the circuit characteristic that just can reach for specific topological structure with each phase winding in realizing prior art totally.
Description
Technical field
This utility model relates to field of circuit control, particularly to a kind of electric machine control system.
Background technology
During motor controls, situation for a plurality of phase winding of controlled motor, it is frequently necessary to arrange the multiple phase windings in controlled motor be connected as special circuit topological structure as required (such as hub-and-spoke configuration, end to end closed ring structure), so that controlled motor realizes corresponding characteristic, and different characteristics needs phase winding to be connected as different circuit topological structure realizations, in actual application, in order to reach different characteristic, as desired multiple phase windings of controlled motor can be connected as corresponding topological structure (such as hub-and-spoke configuration or closed ring structure), and when the demand of circuit characteristic is switched over, then need the circuit connecting mode of multiple loads is switched over；This is accomplished by increasing extra switching circuit, the increase of additional circuit not only increases system cost, the stability of newly-increased circuit also can affect the stability of whole system further, trace it to its cause, be to allow controlled motor realize related circuit characteristic need " multiple phase windings of controlled motor are connected as special topological structure " to limit the control space to controlled motor.
Utility model content
The purpose of this utility model is to overcome in prior art when needing controlled motor to reach the problem that corresponding circuit characteristic needs multiple phase windings of controlled motor are connected as specific topological structure, there is provided one, it is not necessary to link together the circuit control system that controlled motor can be made to can reach specified circuit characteristic by multiple for controlled motor mutual disjunct phase windings.
In order to realize above-mentioned utility model purpose, this utility model provides techniques below scheme:
This utility model one electric machine control system, described control system includes power interface, control circuit module and controlled motor；Controlled motor includes more than three mutual disjunct phase windings；；
Each phase winding is connected with power supply by control circuit module, the power interface being sequentially connected with；
Each phase winding is controlled by described control circuit module according to controlling parameter combination；The sense of current in each phase winding adjusted to or maintains target direction, meanwhile, the size of current in each phase winding adjusted to or maintains desired value.
Parameter in the combination of described control parameter includes target current size and the direction of each phase winding.
Further, each phase winding target current size in the combination of described control parameter and direction, when reaching either circuit characteristic with each phase winding star-like circuit of composition, the corresponding size of current in this phase winding and direction are identical；Or,
The target current size of each phase winding in the combination of described control parameter and direction, with each phase winding join end to end composition closed loop reach either circuit characteristic time, size of current and the direction of this corresponding phase winding are identical.
In some embodiments, the combination of described control parameter also includes the control cycle, now, control each phase winding target current size in parameter combination and direction includes that each phase winding is in the target current size in each moment in control cycle and directional information.
Further, the cycle that controls in the combination of described control parameter, the target current size controlled in any time in cycle each phase winding and direction, when reaching either circuit characteristic with each phase winding star-like circuit of composition, corresponding control cycle and each phase winding are identical in the size of current and direction controlling each moment in cycle；Or,
The cycle that controls in the combination of described control parameter, the target current size controlling any time in cycle each phase winding and direction, with each phase winding join end to end composition closed loop reach either circuit characteristic time, corresponding controlling in cycle and each phase winding is identical in size of current and the direction in this each moment in control cycle.
In some embodiments, described control circuit module includes controller and H bridge control circuit the same number of with phase winding；Described H bridge control circuit connects one to one with each phase winding；Controller is connected with each H bridge control circuit；
Described controller comprises memory module, parsing module and drives module, and in memory module, storage has at least one control parameter combination of controlled motor；The combination of control parameter is resolved to control instruction according to special algorithm by described parsing module；Described driving module controls the break-make of gate-controlled switch in described H bridge control circuit according to control instruction, to realize size of current in each phase winding and the control in direction.
In other embodiment, described control circuit module includes server, controller and H bridge control circuit the same number of with phase winding；Described H bridge control circuit connects one to one with each phase winding；Controller is connected with each H bridge control circuit；
Being provided with remote storage modules in described server, in remote storage modules, storage has at least one control parameter combination of controlled motor；
Described controller comprises communication module, parsing module and drives module, and described communication module is for receiving the combination of described control parameter in server；The combination of control parameter is resolved to control instruction according to special algorithm by described parsing module；Described driving module controls the break-make of gate-controlled switch in described H bridge control circuit according to control instruction, to realize size of current in each phase winding and the control in direction.
In further embodiments, described control circuit module includes server, controller and H bridge control circuit the same number of with phase winding；Described H bridge control circuit connects one to one with each phase winding；Controller is connected with each H bridge control circuit；
Being provided with remote storage modules and long-range parsing module in described server, in remote storage modules, storage has at least one control parameter combination of controlled motor；The combination of control parameter is resolved to control instruction according to special algorithm by described long-range parsing module；
Described controller comprises communication module and drives module, and described communication module is for receiving described control parameter combined command in server；Described driving module controls the break-make of gate-controlled switch in described H bridge control circuit according to control instruction, to realize size of current in each phase winding and the control in direction.
Further, described server is physical server or Cloud Server.Described communication module is wire communication module or wireless communication module；Described wire communication module is netting twine or power line carrier, PLC module；Described wireless communication module is any one in WIFI module, ZigBee module, bluetooth module, visible light communication module.
Preferably, the switching devices such as the gate-controlled switch in described H bridge control circuit is GTR, GTO, IGBT, SJT, MOSFET pipe or SCR, it is also possible to be SiCIGBT, IGBT+SiC diode, gallium nitride IGBT.
Further, described more than three discrete phase windings can identical, part is identical or different.
Above-mentioned electric machine control system can apply following motor control method to run:
Obtain the control parameter combination specified；Parameter in the combination of described control parameter includes each phase winding target current size and direction；
Individually each phase winding is controlled according to the combination of this control parameter, the sense of current in each phase winding is adjusted to or maintains target direction, meanwhile, the size of current in each phase winding adjusted to or maintains desired value.
Further, each phase winding target current size in the combination of described control parameter and direction, when reaching either circuit characteristic with each phase winding star-like circuit of composition, the corresponding size of current in this phase winding and direction are identical；Or,
The target current size of each phase winding in the combination of described control parameter and direction, with each phase winding join end to end composition closed loop reach either circuit characteristic time, size of current and the direction of this corresponding phase winding are identical.
In some embodiments, the combination of described control parameter also includes the control cycle, now, control each phase winding target current size in parameter combination and directional information is each phase winding in the target current size in each moment in control cycle and directional information.
Further, the cycle that controls in the combination of described control parameter, the target current size controlling any time in cycle each phase winding and direction, when reaching either circuit characteristic with each phase winding star-like circuit of composition, corresponding control cycle and each phase winding are identical in the size of current and direction controlling each moment in cycle；Or,
The cycle that controls in the combination of described control parameter, the target current size controlling any time in cycle each phase winding and direction, with each phase winding join end to end composition closed loop reach either circuit characteristic time, corresponding controlling in cycle and each phase winding is identical in size of current and the direction in this each moment in control cycle.
Further, described more than three discrete phase windings can be identical, part is identical or different.
Compared with prior art, the beneficial effects of the utility model: the electric machine control system that this utility model provides individually is controlled by a plurality of phase winding discrete to controlled motor；Size of current in each phase winding and direction adjust to or maintain desired value (this desired value is given by controlling parameter combination), controlled motor is made to reach target property, and each phase winding need not be connected as hub-and-spoke configuration or closed loop, less toggle between hub-and-spoke configuration and closed loop with by each phase winding；Thus reach to simplify circuit, improve the purpose of system stability；Relative in prior art, each bar phase winding in motor is connected as specific topological structure, electric machine control system, method that this utility model provides are more flexible to the control of motor, the relative position of each phase winding in not changing controlled motor, in the case of not interconnecting, by the way of only the circuit size and direction by controlling each phase winding any time meets control parameter combination, it is fully achieved in prior art and needs each phase winding is connected as the circuit characteristic that special topological structure (such as hub-and-spoke configuration, closed loop) can be only achieved.
Accompanying drawing illustrates:
Fig. 1 is the structured flowchart of the electric machine control system in this utility model embodiment.
Fig. 2 is the electric machine control system control circuit modular structure schematic diagram in this utility model embodiment 1.
Fig. 3 is the electric machine control system control circuit modular structure schematic diagram in this utility model embodiment 2.
Fig. 4 is the electric machine control system control circuit modular structure schematic diagram in this utility model embodiment 3.
Fig. 5, Fig. 6 are that in prior art, typical motor winding controls connection diagram.
Fig. 7 is H bridge control circuit and motor phase windings connection diagram in this utility model embodiment 1.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is described in further detail by specific embodiment.But this should not being interpreted as, the scope of the above-mentioned theme of this utility model is only limitted to below example, and all technology realized based on this utility model content belong to scope of the present utility model.
Embodiment 1:The present embodiment provides a kind of electric machine control system, and described control system includes power interface 1, control circuit module 2 and controlled motor；
Controlled motor includes that more than three mutual disjunct phase winding 3(are also called winding, coil windings, as, it is considered that three phase electric machine is to comprise three phase windings 3；In some cases, a phase winding 3 is considered comprise a coil, in the case of other, one phase winding 3 may comprise multiple coil being cascaded, or, phase winding 3, it is considered as that one or more parallel branch is by regulation connection, a set of winding picked up by series and parallel)；
Each phase winding 3 is connected with power supply by control circuit module 2, the power interface 1 being sequentially connected with；；
Each phase winding 3 is controlled by described control circuit module 2 according to controlling parameter combination；The sense of current in each phase winding 3 is adjusted to or maintains target direction, meanwhile, the size of current in each phase winding 3 is adjusted to or maintains desired value；Parameter in the combination of described control parameter includes target current size and the direction of each phase winding 3.
In the present embodiment, as it is shown in figure 1, described control circuit module 2 includes controller 21 and H bridge control circuit 22 the same number of with phase winding 3；Described H bridge control circuit 22 connects one to one with each phase winding 3；Controller 21 is connected with each H bridge control circuit 22；
Described controller 21 comprises memory module 213, parsing module 212 and drives module 211, and in memory module 213, storage has at least one control parameter combination of controlled motor；In fact, want to allow controlled motor realize various multiple circuit characteristic, especially, allow controlled motor realize characteristic when at least one phase winding 3 connects into hub-and-spoke configuration and at least one phase winding 3 is connected as the characteristic of closed loop, memory module 213 should store at least two and controlled parameter combination, two controlled in parameters combination can make controlled motor realize characteristic when each phase winding 3 is connected as hub-and-spoke configuration, and another can make controlled motor realize characteristic when each phase winding 3 is connected as closed loop.
In prior art, sometimes want the different qualities allowing controlled motor realize to be respectively necessary for a plurality of phase winding 3 in controlled motor and be connected as different topological structure (such as hub-and-spoke configuration and closed loop structure), and when wanting to allow controlled motor switch between different characteristics, it is accomplished by between different connected modes, switch over the multiple phase windings 3 in controlled motor, thus switching circuit need to be increased and realize this switching of phase winding 3, and the increase of switching circuit can make control system cost increase, and the stability of control system entirety can be affected by switching circuit, and (switching circuit is as a part for control circuit, switching circuit goes wrong, then control system cisco unity malfunction), there is provided one to need not increase switching circuit and achieve that characteristic conversion's circuit control system or method；And apply the circuit control system that the present embodiment provides, want to allow controlled motor realize various multifrequency nature, especially, controlled motor is allowed to realize the characteristic of at least one hub-and-spoke configuration and the characteristic of at least one closed loop, memory module 213 should store at least two and controlled parameter combination, two controlled in parameters combination can make controlled motor realize characteristic when its multiple phase windings 3 are connected as hub-and-spoke configuration, and another can make controlled motor realize characteristic when its multiple phase windings 3 are connected as closed loop；So that control system can make controlled motor in the case of each phase winding 3 is discrete by calling the combination of no control parameter, realize the characteristic that could realize when each phase winding 3 need to be connected as star-like circuit or closed loop in prior art, and can be with being intended under two states switching in the case of not changing each phase winding 3 connection status.
The combination of control parameter is resolved to control instruction according to special algorithm by described parsing module 212；Described driving module 211 controls the break-make of gate-controlled switch in described H bridge control circuit 22 according to control instruction, to realize size of current and the control in direction in each phase winding 3.
Preferably, the switching devices such as the gate-controlled switch in described H bridge control circuit 22 is GTR, GTO, IGBT, SJT, MOSFET pipe or SCR, it is also possible to be SiCIGBT, IGBT+SiC diode, gallium nitride IGBT；The kind of gate-controlled switch is generally determined by the accessible current peak of phase winding 3.
Further, described more than three discrete phase windings 3 can identical, part is identical or different.
Further, each phase winding 3 target current size in the combination of described control parameter and direction, with each phase winding 3 constitute star-like circuit reach either circuit characteristic time, the corresponding size of current in this phase winding 3 and direction are identical；Or,
The target current size of each phase winding 3 in the combination of described control parameter and direction, with each phase winding 3 join end to end composition closed loop reach either circuit characteristic time, size of current and the direction of this corresponding phase winding 3 are identical.
Concrete, as a example by the motor with three phase windings 3, three phase windings 3 are respectively first phase winding the 3, second phase winding 3, third phase winding 3；Three phase windings 3 are not connected to mutually；
Electric machine control system includes power interface 1 and control circuit module 2；
Three discrete phase windings 3 are connected with power supply by control circuit module 2 and power interface 1；
As it is shown in fig. 7, described control circuit module 2 includes controller 21 and three H bridge control circuits 22；It is respectively H bridge control circuit the 22, the 2nd H bridge control circuit the 22, a 3rd H bridge control circuit 22；Three phase windings 3 individually connect a H bridge control circuit 22, i.e. the oneth H bridge control circuit 22 is for controlling the size of current in the first phase winding 3 and direction, 2nd H bridge control circuit 22 is for controlling the size of current in the second phase winding 3 and direction, and the 3rd H bridge control circuit 22 is for controlling the size of current in third phase winding 3 and direction；In actual application, as it is shown in figure 1, can will be connected with power supply by power interface 1 after the parallel connection of three H bridge control circuits 22, two outfans of each H bridge control circuit 22 connect with two terminations of corresponding phase winding 3 respectively；
Described controller 21 comprises memory module 213, and in memory module 213, storage has the multiple control parameters for three phase windings 3 to combine；Described controller 21 realizes size of current and the control in direction in each phase winding 3 by controlling the break-make of gate-controlled switch in H-bridge circuit, to meet its control parameter currently selected combination.
Control parameter combination and include target current size and the direction of each phase winding 3；nullWell-known，Want to distinguish each different control parameter combination，The combination of each control parameter also should include composite marking，This composite marking can be sequence number、Character string、Title、The objective circuit characteristic reached is wanted in the combination of this control parameter、The combination of this control parameter wants the purpose reached or other any can any one control parameter combinations to combine, with other control parameters, the labelling distinguished，Preferably，In the present embodiment，Composite marking is the target operating condition (i.e. controlling the purpose that parameter combination is wanted to reach) of controlled motor，I.e. according to the target operating condition wanting controlled motor to reach，Call control parameter combination corresponding in memory module 213，Parsing module 212 calculates the control instruction for each H bridge control circuit 22 according to target current size and the direction of each phase winding 3 in the combination of this control parameter according to assignment algorithm，Control the make-and-break time of gate-controlled switch in each H bridge control circuit 22，Further up to controlling size of current and the purpose in direction in corresponding phase winding 3.
It should be noted, each phase winding 3 of controlled motor all comprises two terminations, time actually used, when want to allow controlled motor work phase winding 3 is connected as the duty that hub-and-spoke configuration could realize in the prior art time, need to be set as in 3 two terminations of each phase winding termination, center, on the basis of termination, each phase winding 3 Jun Yi center, differentiate the sense of current；And, when want to allow controlled motor work phase winding 3 is connected as the duty that closed loop could realize in the prior art time, two terminations of each phase winding 3 are respectively defined as head end head and tail termination, and each phase winding 3 all differentiates the sense of current on the basis of head end head and tail termination；
I.e., the termination, center of controlled three phase windings 3 of motor is joined together to form Centroid O, during so that three phase windings 3 form star-like circuit structure (the star-like circuit structure being made up of three phase windings 3 is also known as y-type structure), duty achieved by controlled motor (or referred to as motor characteristic, including torque, power etc.) there is direct relation with the size of current in three phase windings 3 and direction, therefore when this utility model by the size of current of three phase windings 3 and direction controlling to desired value time, controlled motor can embody and be connected as star-like circuit structure with three phase windings 3, and each phase winding 3 has identical duty (or motor characteristic) when same size of current and direction.
nullSame，By end to end for each phase winding 3 (as the head end head of the first phase winding 3 and the tail end head of the second phase winding 3 connect，The head end head of the second phase winding 3 is connected with the tail end head of third phase winding 3，The tail end head of the head end head of third phase winding 3 and the first phase winding 3 connects) composition closed loop circuit (the closed loop circuit being made up of three phase windings 3 is also known as delta network) time，Duty achieved by controlled motor (or referred to as motor characteristic，Including torque、Power etc.) there is direct relation with the size of current in three phase windings 3 and direction，Therefore when this utility model control system by the size of current of three phase windings 3 and direction controlling to desired value time，Controlled motor can embody and be connected as closed loop with three phase windings 3，And each phase winding 3 has identical duty (or motor characteristic) when same size of current and direction.
It is well known that Fig. 5, Fig. 6 are typical motor phase windings connected mode and H bridge control circuit control structure figure in prior art；Owing in prior art, each phase winding forms star-like circuit structure or closed loop structure, therefore it only reserves the control port identical with phase winding number and is connected with control circuit module；Unlike the prior art, in this utility model, in motor, each phase winding is not connected to mutually, and the control system that therefore application this utility model provides, the two of each phase winding terminations need to all be reserved by motor, i.e. motor leaves the control port of phase winding number 2 times；Same as a example by three phase electric machine, the motor of application prior art leaves 3 control ports and is connected with control system, and the control system applying this utility model to provide leaves 6 control ports and needs control system to connect.Accordingly, in prior art, when controlling the controlled motor that phase winding is connected as hub-and-spoke configuration or closed loop structure, control circuit provides the control output end mouth identical with controlled motor phase windings quantity, and in this utility model, the control output end eloquence with controlled motor phase windings quantity 2 times need to be provided to complete the independent control to each phase winding.
Embodiment 2:It is with embodiment 1 difference, in the present embodiment, as it is shown on figure 3, described control circuit module 2 includes server, controller 21 and H bridge control circuit 22 the same number of with phase winding 3；Described H bridge control circuit 22 connects one to one with each phase winding 3；Controller 21 is connected with each H bridge control circuit 22；
Being provided with remote storage modules 231 in described server, in remote storage modules 231, storage has at least one control parameter combination of controlled motor；
As it is shown on figure 3, described controller 21 comprises communication module 214, parsing module 212 and drives module 211, described communication module 214 is for receiving the combination of described control parameter in server；The combination of control parameter is resolved to control instruction according to special algorithm by described parsing module 212；Described driving module 211 controls the break-make of gate-controlled switch in described H bridge control circuit 22 according to control instruction, to realize size of current and the control in direction in each phase winding 3.
Further, described server is physical server or Cloud Server.Described communication module 214 is wire communication module 214 or wireless communication module 214；Described wire communication module 214 is netting twine or power line carrier, PLC module 214；Described wireless communication module 214 is any one in WIFI module, ZigBee module, bluetooth module, visible light communication module 214.
Preferably, the switching devices such as the gate-controlled switch in described H bridge control circuit 22 is GTR, GTO, IGBT, SJT, MOSFET pipe or SCR, it is also possible to be SiCIGBT, IGBT+SiC diode, gallium nitride IGBT.
Well-known, want to distinguish each different control parameter combination, the combination of each control parameter also should include composite marking, this composite marking can be sequence number, character string, title, the objective circuit characteristic reached is wanted in the combination of this control parameter, the combination of this control parameter wants the purpose reached or other any can any one control parameter combinations to combine, with other control parameters, the labelling distinguished, preferably, in the present embodiment, composite marking is the target operating condition (i.e. controlling the purpose that parameter combination is wanted to reach) of controlled motor, i.e. according to the target operating condition wanting controlled motor to reach；On the premise of determining when each phase winding quantity of multiple phase windings of controlled motor or controlled motor and relative position, one-to-one relationship is there is in the target operating condition of objective circuit characteristic motor in other words with the size of current in each phase winding (each phase winding of controlled motor) and direction, therefore may be in certain embodiments, controlling only to preserve in parameter combination the target operating condition of objective circuit characteristic or motor, controller 21 extrapolates the size of current in every winding (or phase winding) and direction further by fixing algorithm；This situation should be considered with this utility model scope of patent protection within；Controller 21 calls control parameter corresponding in remote storage modules 231 by communication module 214 from Server remote and combines, parsing module 212 combine according to this control parameter in the target current size of each phase winding 3 and direction, the control instruction for each H bridge control circuit 22 is calculated according to assignment algorithm, and then drive module 211 to control the make-and-break time of gate-controlled switch in each H bridge control circuit 22, further up to controlling size of current and the purpose in direction in corresponding phase winding 3.
In actual application, when needs motor reaches corresponding target operating condition, control circuit module 2 is called and is stored in memory module 213 corresponding control parameter combination, according to the control cycle controlled in parameter combination, and in each coil of each moment, each coil is controlled, so that motor reaches target operating condition by sense of current and the size that should reach in the control cycle.Make motor (be not connected to into star-like circuit structure or closed loop structure) in the case of coil is discrete and i.e. can reach duty identical when being connected as star-like circuit structure or closed loop with coil；Thus so that original duty needing switching coil connected mode to realize switch, in this control system, it is only necessary to invocation target duty corresponding control parameter combination can realize.
Embodiment 3:Being with embodiment 1 difference, in the present embodiment, as shown in Figure 4, described control circuit module 2 includes server, controller 21 and H bridge control circuit 22 the same number of with phase winding 3；Described H bridge control circuit 22 connects one to one with each phase winding 3；Controller 21 is connected with each H bridge control circuit 22；
Being provided with remote storage modules 231 and long-range parsing module 232 in described server, in remote storage modules 231, storage has at least one control parameter combination of controlled motor；The combination of control parameter is resolved to control instruction according to special algorithm by described long-range parsing module 232；
As shown in Figure 4, described controller 21 comprises communication module 214 and drives module 211, and described communication module 214 is for receiving described control parameter combined command in server；Described driving module 211 controls the break-make of gate-controlled switch in described H bridge control circuit 22 according to control instruction, to realize size of current and the control in direction in each phase winding 3.
Further, described server is physical server or Cloud Server.Described communication module 214 is wire communication module 214 or wireless communication module 214；Described wire communication module 214 is netting twine or power line carrier, PLC module 214；Described wireless communication module 214 is any one in WIFI module, ZigBee module, bluetooth module, visible light communication module 214.
Preferably, the switching devices such as the gate-controlled switch in described H bridge control circuit 22 is GTR, GTO, IGBT, SJT, MOSFET pipe or SCR, it is also possible to be SiCIGBT, IGBT+SiC diode, gallium nitride IGBT.
Further, described more than three discrete phase windings 3 can identical, part is identical or different.
The present embodiment is with another difference of embodiment 4, in the present embodiment, the combination of described control parameter also includes the control cycle, now, control each phase winding 3 target current size in parameter combination and direction includes that each phase winding 3 is in the target current size in each moment in control cycle and directional information.
Further, the cycle that controls in the combination of described control parameter, the target current size controlled in any time in cycle each phase winding 3 and direction, with each phase winding 3 constitute star-like circuit reach either circuit characteristic time, it is corresponding that to control cycle and each phase winding 3 identical in the size of current and direction controlling each moment in cycle；Or,
The cycle that controls in the combination of described control parameter, the target current size controlling any time in cycle each phase winding 3 and direction, with each phase winding 3 join end to end composition closed loop reach either circuit characteristic time, corresponding controlling in cycle and each phase winding 3 is identical in size of current and the direction in this each moment in control cycle.
nullWell-known，Want to distinguish each different control parameter combination，The combination of each control parameter also should include composite marking，This composite marking can be sequence number、Character string、Title、The objective circuit characteristic reached is wanted in the combination of this control parameter、The combination of this control parameter wants the purpose reached or other any can any one control parameter combinations to combine, with other control parameters, the labelling distinguished，Preferably，In the present embodiment，Composite marking is the target operating condition (i.e. controlling the purpose that parameter combination is wanted to reach) of controlled motor，I.e. according to the target operating condition wanting controlled motor to reach，Target operating condition (composite marking) is sent to server by controller 21 by communication module 214，Server medium-long range parsing module 232 calls control parameter combination corresponding in remote storage modules 231，The target current size of each phase winding 3 in combining according to this control parameter and direction，The control instruction for each H bridge control circuit 22 is calculated according to assignment algorithm，Module 211 is driven to control the make-and-break time of gate-controlled switch in each H bridge control circuit 22 according to control instruction，Further up to controlling size of current and the purpose in direction in corresponding phase winding 3.
Concrete, embodiment 1 to embodiment 3 all preferably employs following method and is controlled motor:
Obtain the control parameter combination specified；Parameter in the combination of described control parameter includes each phase winding 3 target current size and direction；
Individually each phase winding 3 is controlled according to the combination of this control parameter, the sense of current in each phase winding 3 is adjusted to or maintains target direction, meanwhile, the size of current in each phase winding 3 is adjusted to or maintains desired value.
Further, each phase winding 3 target current size in the combination of described control parameter and direction, with each phase winding 3 constitute star-like circuit reach either circuit characteristic time, the corresponding size of current in this phase winding 3 and direction are identical；Or,
The target current size of each phase winding 3 in the combination of described control parameter and direction, with each phase winding 3 join end to end composition closed loop reach either circuit characteristic time, size of current and the direction of this corresponding phase winding 3 are identical.
In some embodiments, the combination of described control parameter also includes the control cycle, now, control each phase winding 3 target current size in parameter combination and directional information is each phase winding 3 in the target current size in each moment in control cycle and directional information.
Further, the cycle that controls in the combination of described control parameter, the target current size controlling any time in cycle each phase winding 3 and direction, with each phase winding 3 constitute star-like circuit reach either circuit characteristic time, it is corresponding that to control cycle and each phase winding 3 identical in the size of current and direction controlling each moment in cycle；Or,
The cycle that controls in the combination of described control parameter, the target current size controlling any time in cycle each phase winding 3 and direction, with each phase winding 3 join end to end composition closed loop reach either circuit characteristic time, corresponding controlling in cycle and each phase winding 3 is identical in size of current and the direction in this each moment in control cycle.
Further, described more than three discrete phase windings 3 can be identical, part is identical or different.
Claims (7)
1. an electric machine control system, it is characterised in that described control system includes power interface, control circuit module and controlled motor；Controlled motor includes more than three mutual disjunct phase windings；
Each phase winding is connected with power supply by control circuit module, the power interface being sequentially connected with；
Each phase winding is controlled by described control circuit module according to controlling parameter combination；The sense of current in each phase winding adjusted to or maintains target direction, meanwhile, the size of current in each phase winding adjusted to or maintains desired value.
2. electric machine control system as claimed in claim 1, it is characterised in that described control circuit module includes controller and H bridge control circuit the same number of with phase winding；Described H bridge control circuit connects one to one with each phase winding；Controller is connected with each H bridge control circuit；
Described controller comprises memory module, parsing module and drives module, and in memory module, storage has at least one control parameter combination of controlled motor；The combination of control parameter is resolved to control instruction according to special algorithm by described parsing module；Described driving module controls the break-make of gate-controlled switch in described H bridge control circuit according to control instruction, to realize size of current in each phase winding and the control in direction；
Parameter in the combination of described control parameter includes target current size and the direction of each phase winding；.
3. electric machine control system as claimed in claim 1, it is characterised in that described control circuit module includes server, controller and H bridge control circuit the same number of with phase winding；Described H bridge control circuit connects one to one with each phase winding；Controller is connected with each H bridge control circuit；
Being provided with remote storage modules in described server, in remote storage modules, storage has at least one control parameter combination of controlled motor；Parameter in the combination of described control parameter includes target current size and the direction of each phase winding；
Described controller comprises communication module, parsing module and drives module, and described communication module is for receiving the combination of described control parameter in server；The combination of control parameter is resolved to control instruction according to special algorithm by described parsing module；Described driving module controls the break-make of gate-controlled switch in described H bridge control circuit according to control instruction, to realize size of current in each phase winding and the control in direction.
4. electric machine control system as claimed in claim 1, it is characterised in that described control circuit module includes server, controller and H bridge control circuit the same number of with phase winding；Described H bridge control circuit connects one to one with each phase winding；Controller is connected with each H bridge control circuit；
Being provided with remote storage modules and long-range parsing module in described server, in remote storage modules, storage has at least one control parameter combination of controlled motor；The combination of control parameter is resolved to control instruction according to special algorithm by described long-range parsing module；Parameter in the combination of described control parameter includes target current size and the direction of each phase winding；
Described controller comprises communication module and drives module, and described communication module is for receiving described control parameter combined command in server；Described driving module controls the break-make of gate-controlled switch in described H bridge control circuit according to control instruction, to realize size of current in each phase winding and the control in direction.
5. the electric machine control system as described in any one of claim 2 to 4, it is characterised in that the gate-controlled switch in described H bridge control circuit is GTR, GTO, IGBT, SJT, MOSFET pipe, SCR, SiCIGBT, IGBT+SiC diode or gallium nitride IGBT.
6. the electric machine control system as described in any one of claim 3 or 4, it is characterised in that described server is physical server or Cloud Server；
Described communication module is wire communication module or wireless communication module.
7. electric machine control system as claimed in claim 1, it is characterised in that described more than three discrete phase windings can identical, part is identical or different.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521124574.6U CN205453576U (en) | 2015-12-31 | 2015-12-31 | Motor control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521124574.6U CN205453576U (en) | 2015-12-31 | 2015-12-31 | Motor control system |
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| CN205453576U true CN205453576U (en) | 2016-08-10 |
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| CN201521124574.6U Expired - Fee Related CN205453576U (en) | 2015-12-31 | 2015-12-31 | Motor control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490614A (en) * | 2015-12-31 | 2016-04-13 | 四川埃姆克伺服科技有限公司 | Motor control system |
| CN107742965A (en) * | 2017-10-28 | 2018-02-27 | 珠海磐磊智能科技有限公司 | Electric motor and controller method |
| CN108011559A (en) * | 2016-11-01 | 2018-05-08 | 南京德朔实业有限公司 | Electric tool and control method thereof |
-
2015
- 2015-12-31 CN CN201521124574.6U patent/CN205453576U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105490614A (en) * | 2015-12-31 | 2016-04-13 | 四川埃姆克伺服科技有限公司 | Motor control system |
| CN105490614B (en) * | 2015-12-31 | 2019-02-26 | 四川埃姆克伺服科技有限公司 | A kind of electric machine control system |
| CN108011559A (en) * | 2016-11-01 | 2018-05-08 | 南京德朔实业有限公司 | Electric tool and control method thereof |
| CN107742965A (en) * | 2017-10-28 | 2018-02-27 | 珠海磐磊智能科技有限公司 | Electric motor and controller method |
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