CN207265910U - A kind of detecting apparatus for rotor position of four phase switch reluctances motor - Google Patents
A kind of detecting apparatus for rotor position of four phase switch reluctances motor Download PDFInfo
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- CN207265910U CN207265910U CN201720991447.9U CN201720991447U CN207265910U CN 207265910 U CN207265910 U CN 207265910U CN 201720991447 U CN201720991447 U CN 201720991447U CN 207265910 U CN207265910 U CN 207265910U
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Abstract
The utility model discloses a kind of detecting apparatus for rotor position of four phase switch reluctances motor, only one code-disc to link with electronics rotor and a detection sensor for being used to detect code-disc.There is the detection group of 6 groups of circulations in the periphery of code-disc.Each detection group includes the raised test section being made of the first mechanical angle or the second mechanical angle and is arranged to make up by the recessed test section that the first mechanical angle or the second mechanical angle are formed.Detection sensor exports the raised test section in detection group or recessed test section corresponding high level or low level detection signal respectively, detection signal is through sensor signal coding module, encoded signal processing module and mutually exports logic module, exports the phase change logic signal of four phase switch reluctance motors.The utility model only needs a code-disc to realize the detection of motor rotor position, and can reduce hardware cost, improves detection reliability.
Description
Technical field
Four phase switch reluctance motors are the utility model is related to, are particularly used for the rotor-position inspection of switched reluctance machines
Survey device.
Background technology
Switched reluctance machines belong to synchronous motor, need detection rotor opposite in controlling switch reluctance motor rotary course
In the position of stator, to obtain corresponding conducting phase logic, the logic of commutation is correctly controlled, so that switched reluctance machines can
Normal operation.In low cost is applied, it is detected for four phase switch reluctance motors by the way of two position sensors,
To obtain angle position of the rotor relative to stator.As shown in Figure 1, for four phases, (8 fixed for the switched reluctance machines of 8/6 structure
Sub- pole, 6 rotor poles) be detected frequently with two position sensors, wherein S1, S2 are position detecting device, its at intervals of
15 ° of mechanical angles.If high level signal is exported when code-disc protrusion test section passes through sensor portion timesharing, when the recessed detection of code-disc
Portion defines code-disc and rotates to be motor rotating forward, the instantaneous pin rotation of code-disc counterclockwise by sensor portion timesharing output low level signal
It is motor reversal when turning, then when motor rotates forward, sensor output waveform is as shown in Fig. 2, wherein S1 exports for sensor S1
Waveform, S2 are sensor S2 output waveforms.As can be seen that every 60 ° of mechanical angles are a cycle period from output waveform, and
A cycle divide into the section of 4 deciles by two waveform sensors, be respectively：1st, 2,3,4, each section at intervals of
15 ° of mechanical angles.When high level represents logical one, low level represents logical zero, then four sections are separately available：10,11,
01,00 represents, represents four positions section of motor respectively, the low and high level state exported by reading sensor, can be with
Positional information of the rotor relative to stator is obtained, and commutation operation is carried out according to this information.But this mode needs to use
Two sensor devices, hardware add cost, and also increase the probability of volume sensor fault using two sensor devices, separately
Outside when have interference signal into fashionable, the difficulty of breakdown judge is added.There is inexpensive requirement at some, and to ensure high reliability
Occasion, it is difficult to meet demand.
Utility model content
The purpose of this utility model is to be directed to above-mentioned state of the art, and is provided a kind of suitable for four phase switch reluctances electricity
The detecting apparatus for rotor position of machine, it is only necessary to a code-disc can realize the detection of motor position, reduce hardware cost, and
Improve detection reliability.
Technical solution is used by the utility model solves above-mentioned technical problem：A kind of four phase switch reluctances motor turns
Sub- position detecting device, it only has one and the detection sensor of the code-disc of electronics rotor linkage and one for detecting code-disc.
There is the detection group of 6 groups of circulations in the periphery of code-disc.Each detection group includes what is be made of the first mechanical angle or the second mechanical angle
Raised test section and it is arranged to make up by the recessed test section that the first mechanical angle or the second mechanical angle are formed.Detection sensor pair
Raised test section or recessed test section in detection group export corresponding high level or low level detection signal, detection letter respectively
Export number through sensor signal coding module, encoded signal processing module and mutually logic module, export four phase switch reluctance motors
Phase change logic signal.
Preferably, above-mentioned detection sensor is optocoupler sensor, Hall sensor or close switch.Code-disc periphery
When raised test section and recessed test section pass through detection sensor respectively, the output level status of detection sensor are different.
Preferably, above-mentioned sensor signal coding module receives the output signal of detection sensor, and to output
The rising edge and trailing edge of signal are captured, and judge raised test section and recessed between rising edge or trailing edge twice in succession
The size of mechanical angle shared by test section, simultaneously exports coding signal encode with this.
Preferably, when above-mentioned four phase switch reluctances motor rotates forward, sensor signal coding module is upper to output signal
Rise along being captured, and judge the size of mechanical angle shared by raised test section and recessed test section between rising edge twice in succession,
Encode simultaneously exports coding signal with this.During four phase switch reluctance motor reversals, sensor signal coding module believes output
Number trailing edge captured, and judge mechanical angle shared by raised test section and recessed test section between trailing edge twice in succession
Size, simultaneously exports coding signal encode with this.
Preferably, the encoded signal of above-mentioned encoded signal processing module receiving sensor Signal coding module output,
And a coding information being with internally generated is compared, if equal, exports corresponding coding information, if unequal,
Then export fault message, and gone with the encoded signal received to update the coding information of internal generation.
Preferably, above-mentioned encoded signal processing module, which is equipped with, starts processing module, start processing module and opened in motor
When dynamic, by the operation to corresponding phase, to obtain rotor initial code information.
Preferably, above-mentioned encoded signal processing module, which is equipped with, calculates processing module, first memory and the second storage
Device.The encoded signal of reception is sequentially stored into first memory, and second memory generation has in-line coding information, calculates processing mould
The signal of first memory and second memory is compared by block, if equal, corresponding coding information is exported, if not
It is equal, then fault message is exported, and the coding information in renewal second memory is gone with the encoded signal received.
Preferably, in electric motor starting, first memory receives the information for having and starting processing module output, and according to this
Information judges correct sensor information whether is obtained in motor start-up procedure.
Preferably, the above-mentioned encoded signal and failure that mutually export the output of logic module received encoded signal processing module
Signal, by the judgement to encoded signal to obtain corresponding phase output logical message, and exports phase logic signal.
Preferably, the stator poles of four above-mentioned phase switch reluctance motors and the minimum common divisor of rotor number of poles are 4:3,
The ratio of first mechanical angle and the second mechanical angle is 2:1.
Compared with prior art, the utility model need to only use a code-disc, when rotor rotates, obtain detection and pass
The output signal of sensor, and coded treatment is carried out to these output signals, to obtain required rotor position information.Using this
The detecting apparatus for rotor position of utility model, can not only reduce hardware cost, but also be believed by the output to detection sensor
Breath carries out coded treatment, can improve the reliability of positional information detection, and uses a detection sensor, reduces sensing
The probability of device failure, while reduce the judgement difficulty of sensor fault.
Brief description of the drawings
Fig. 1 is two sensor code disc device figures in the prior art.
Fig. 2 is two sensor output waveform figures in the prior art.
Fig. 3 is the structure diagram of the single sensor code-disc of the utility model.
Fig. 4 is the module diagram of sensor signal coding module in the utility model.
Fig. 5 is the module diagram of encoded signal processing module in the utility model.
Fig. 6 is the operation principle schematic diagram of first memory in the utility model.
Fig. 7 is the operation principle schematic diagram of second memory in the utility model.
Fig. 8 is the output waveform figure of detection sensor.
Fig. 9 is the Signal coding schematic diagram of sensor signal coding module.
Figure 10 is the output of positive phase inversion and the corresponding diagram in sensor signal section.
Figure 11 is reversion mutually output and the corresponding diagram in sensor signal section.
Embodiment
The embodiment of the utility model is described in further detail below in conjunction with attached drawing.
Fig. 3 to Figure 11 show the structure diagram of the utility model.
Reference numeral therein is：Code-disc 1, raised test section 11, recessed test section 12, detection sensor 2, sensor letter
Number coding module 3, encoded signal processing module 4, start processing module 41, calculate processing module 42, first memory 43, second
Memory 44, mutually export logic module 5.
A kind of detecting apparatus for rotor position of four phase switch reluctances motor of the utility model, it uses a detection sensing
Device 2 carries out coded treatment to detect the position signal of code-disc 1 to the signal of output, it is possible to achieve obtains the position of rotor
Confidence ceases, and can improve 2 fault-tolerant ability of detection sensor and the judgement to raising to 2 failure of detection sensor.
The detecting apparatus for rotor position of the utility model is mainly made of two parts, and one is the code-disc 1 shown in Fig. 3 and detection
Sensor 2, two be the sensor signal process part shown in Fig. 4.
Fig. 3 show the code-disc 1 of four phase switch reluctance motors of 8/6 structure.The raised test section 11 of 1 periphery of code-disc is used
" H " is represented, the recessed test section 12 of 1 periphery of code-disc is represented with " L ".Since this code-disc 1 is used for four phase switch reluctances of 8/6 structure
Motor, then by the Minimum Area angle formed of two position sensors it is 15 ° of mechanical angles, 15 ° of regions is split again,
Its partition principle is 2:1 mode, is divided into 10 ° of regions and 5 ° of regions.10 ° are represented with numeral 10, and numeral 5 represents 5 °, and H10 is represented
The angle that raised test section 11 accounts for is 10 °, and L5 represents the mode that the angle that recessed test section 12 accounts for is 5 °, represents code in this way
The segmentation of disk 1.The segmentation of code-disc 1 is with H10, L5, H5, L10, H5, L10, H10, and L5 is a cycle, is circulated with this, altogether
It is segmented into 6 groups.
This partitioning scheme is suitable for all polyphase machines using 4 phases as multiple, and the minimum common divisor of stator and rotor number of poles is
4:3 switched reluctance machines.There can be following formula to be calculated：Minimum angles region is：Z=360 °/P/N；Wherein Z is Minimum Area
Angle value；360 ° are mechanical angle；P is rotor number of poles, it is 3 multiple；N is number of motor phases, it is 4 multiple；And fixed,
The minimum common divisor of rotor number of poles meets 4:3 relation.
Z can be carried out 2 according to above-mentioned principle:1 mode is split, it is also possible to n：The mode of m is split, wherein n ≠ m.Such as Fig. 3
Shown, the detection sensor 2 of the utility model can be the devices such as optocoupler sensor, Hall sensor or close switch,
Its output characteristics is only two states, is respectively high level or low level.It is assumed herein that when raised test section 11 is by inspection
When surveying sensor 2, detection sensor 2 exports high level signal, and when recessed test section 12 is by detection sensor 2, detection passes
The output of sensor 2 is low level signal；Otherwise can also be that detection sensor 2 exports when raised test section 11 is by tactility apparatus
Low level signal, when recessed test section 12 is by detection sensor 2, the output of detection sensor 2 is high level signal.
Sensor signal process part shown in Fig. 4 mainly includes sensor signal coding module 3, encoded signal processing mould
Block 4 and mutually these three modules of output logic module 5, to receive the output signal of detection sensor 2, and carry out output signal
Processing, coding, finally obtain correctly mutually output logic.
Output signal of the sensor signal coding module 3 mainly to detection sensor 2 encodes.When the code shown in Fig. 3
When disk 1 rotates counterclockwise, it is believed that be motor forward direction.When motor rotates forward, the region between two continuous rising edges is thought
It is minimum angles region, its angle value corresponds to 15 ° of mechanical angles.Otherwise when motor reversal, between two continuous trailing edges
Region is considered minimum angles region.
As shown in figure 8, when motor rotates forward, when S1, S2 are for two sensors in the prior art and using code-disc shown in Fig. 1
The sensor output waveform figure of output, the relation in every phase inductance section of its corresponding motor is as shown in figure 8, two sensor ripples
The section that one 60 ° of Machine cycle divide into 4 deciles of shape, is numbered each section, be denoted as 1 respectively, 2,3,
4, and each section is 15 ° of mechanical angles, this 15 ° mechanical angle section is referred to as minimum angles region.LA, LB in Fig. 8,
LC, LD are respectively the phase inductance ideal change schematic diagram of A, B, C, D phase, itself and the corresponding section relation of S1, S2 waveform are as schemed
Show.
S in Fig. 8 is that single sensor uses the sensor output waveform figure exported shown in Fig. 3 during code-disc 1, itself and every phase
The relation of inductance change curve and S1, S2 waveform is as shown in Figure 8.When motor reversal, waveform observation direction is anti-from right to left
To checking.When motor rotates forward, in a minimum angular regions, if the corresponding angles of H are more than the corresponding angles of L,
Logical zero state is considered, if the corresponding angles of H are less than the corresponding angles of L, then it is assumed that be logical one state.When motor is anti-
When turning, the region between two continuous trailing edges is considered minimum angles region, its angle value corresponds to 15 ° of mechanical angles.One
In a minimum angular regions, if the corresponding angles of H are more than the corresponding angles of L, then it is assumed that it is logical one state, if H pairs
The angle answered is less than the corresponding angles of L, then it is assumed that is logical zero state.
By taking motor rotates forward as an example, the state in corresponding section is as shown in figure 9,4 sections in one cycle are respectively：
0110.Sensor signal coding module 3, which has along capture and time writing function, its time writing function, uses a counter
Counted.Its count value when each rising edge or trailing edge arrive between record, then resets counter,
Lay equal stress on New count.When the raised test section 11 on code-disc 1 and recessed test section 12 are by detection sensor 2, sensor signal
Coding module 3 can capture the rising edge and trailing edge of signal, and record at the same time by section count value.When motor rotates forward
When, sensor signal coding module 3 is compared in each rising edge, to code-disc 1 before by the count value of H and L.Work as warp
When crossing the count value of H more than the count value for passing through L, output state " 0 ", when the count value by H is less than the count value by L
When, output state " 1 ".When motor rotates forward, sensor signal outputs level signals are as shown in figure 9, with 1-2-3-4-1-2-
When 3-4 ... is sequentially by section, the corresponding states that sensor signal coding module 3 exports is respectively：0-1-1-0-0-1-1-
0…….When motor reversal, output signal processing mode of the sensor signal coding module 3 to sensor and above-mentioned electricity
Processing mode is identical when machine rotates forward.
The encoded signal of 4 receiving sensor Signal coding module 3 of encoded signal processing module output, by these encoded signals
Handled, and judge whether the coding of acquisition is correct, and the coding after processing is exported.Encoded signal processing module 4
It is main to include starting processing module 41, calculate processing module 42, first memory 43 and second memory 44.
After encoded signal processing module 4 receives the encoded signal of the output of sensor signal coding module 3, by these encoded signals
It is put into first memory 43 as shown in Figure 6 and is stored, it will be received from sensor signal coding module 3 every time
One encodes and is moved into right end in first memory 43, and the data in first memory 43 are moved to right, the first storage
Last data of right side will remove memory in device 43.Data in such as current first memory 43 are 0110, from biography
What sensor signal coding module 3 exported is encoded to 0, then and encode and be moved into right end in first memory 43, and the first storage
Data in device 43 are moved to right, and finally the data in first memory 43 are 0011.
There is a second memory 44 in encoded signal processing module 4, be stored with internal logic and estimate code, for sentencing
Whether the data in disconnected first memory 43 are correct.As shown in fig. 7, the data in second memory 44 can carry out the circulation right side always
Move, after last a data moves to right out every time, can be moved into again from low order end in second memory 44.When motor rotates forward, the
Data in one memory 43 are moved into the rising edge of each signal, and the data in second memory 44 are every time in the upper of signal
Rise along when carry out moving to right circulation.When encoded signal immigration first memory 43, and after the data shift right of second memory 44, compile
The calculating processing module 42 of code signal processing module 4 can be compared the data in two memories, if two data phases
Deng, then it is assumed that the encoded signal currently obtained is correct, and the encoded signal is exported.It is if unequal, then it is assumed that current inspection
Survey 2 signal error of sensor, it is possible to be interfered or the influence of other factors.Encoded signal processing module 4 can export at this time
One error signal, to inform that the encoded signal being currently received has exception.And encoded signal processing module 4 can be deposited with first
Data in reservoir 43 remove renewal second memory 44.As shown in figure 9, encoded signal can be divided into 4 sections, in each section
Corresponding coding is as shown in the Interval Coding table of table 1 below.
Table 1：Interval Coding table
It is the acquisition for initial code information in electric motor starting to start processing module 41.With the motor side of rotating forward
To exemplified by startup, A, B two-phase first to motor are powered, and rotor can rest on the 2nd section as shown in Figure 9, Ran Houguan
A two-phases are closed, are switched to the energization of B, C two-phase, rotor can enter 3rd area by 2nd area at this time, after first time rising edge signal is obtained,
B phases are closed, are switched to the energization of C, D two-phase, rotor can enter 4th area by 3rd area at this time.In this process, when rotor enters 3rd area
When, it is forced to first memory 43 and carries out being assigned a value of 1001, and it is 1001 to be forced to second memory 44 to carry out pressure assignment.When
When rotor enters 4th area, the comparison knot for the counting size that the sensor signal coding module 3 can be according to before shared by 3 area H and L
Fruit provides corresponding encoded radio 0 or 1, under normal circumstances, the meeting exports coding 1 of sensor signal coding module 3, the first storage at this time
The value change 1100 of device 43, simultaneously, second memory 44 is carried out after moving to right circulate operation, its value is 1100, compares first
Whether memory 43 is equal with second memory 44, starts if equal normally, subsequently enters normal encoding processing and logic
Control section.If first memory 43 and second memory 44 are unequal, then it is assumed that start failure, then need to reenter to open
Dynamic process, and repeat above-mentioned starting step.
Mutually output logic module 5 is the encoded signal and fault-signal exported according to encoded signal processing module 4, is passed through
Judgement to signal exports phase change logic signal to obtain corresponding phase output logical message.Encoded signal processing module 4 exists
The output signal in different sections is as listed in Table 1.When mutually output logic module 5 is received and exported by encoded signal processing module 4
Fault-signal when, mutually export logic the output phase shutdown signal.It is assumed that logical zero represents that closing signal is used to close corresponding work(
Rate device, logical one represent that mutually exporting signal is used to open corresponding power device.It is mutually defeated so when receiving fault-signal
Go out 5 output logic signal 0000 of logic module, correspond to the output state of D, C, B, A phase respectively.This phase output logic module 5 is right
Encoded signal does not make any response.When being not received by fault-signal, mutually export logic module 5 and handle encoded signal processing mould
The encoded signal that block 4 exports.
When being that motor rotates forward shown in Figure 10, under motoring condition, the state of the corresponding each mutually output in different sections, high level
Represent this to be conducted, low level represents this and closes.Required according to the energization section of the electronic of switched reluctance machines and power generation, its
In a rotational direction, corresponding inductance rising edge is electronic energization area, and corresponding inductance trailing edge is power generation energization area.That
When motor rotates forward, under electronic and two states of power generation, the logic such as table 2 below forward direction energization area table of each phase winding energization
It is shown.Wherein " 1 " represents to correspond to the energization of phase in the region, and " 0 " represents to correspond in the region and closes.
Otherwise when motor reversal, as shown in figure 11, each phase conduction interval is corresponded under its motoring condition as shown in the figure, its
Electronic and power generation logical relation is as shown in the reverse energization area table of table 3 below.Rotor is corresponding every in one rotational direction
The coding in a section be it is unique, as shown in Table 1, then according to the coding information in each section of table 1, with reference to table 2, table 3
Respectively it can mutually be established such as table 4 below in the mutually output logical relation in each region：Regional code corresponds to phase output relation Table A, is used for
Corresponding phase is obtained by the coding in the region in current region and exports logic.When coding there is no it is middle shown in table 1 when, it is corresponded to
Mutually output logic be 0000.
When motor rotates, the encoded signal that is exported according to sensor signal coded treatment part 4 can be obtained by tabling look-up
Obtain corresponding phase and export logic, for motor in the presence of rotating forward is electronic, rotating forward generates electricity, it is electronic to invert, inverts four states that generate electricity, that
Needed to establish four groups of one-dimensional tables according to table 4, be respectively used to four operating statuses of motor.But more wasteful it can so deposit
Space is stored up, identical due to rotating forward electronic phase output logic corresponding with reversion power generation, their torque direction is identical, and positive forwarding
Electricity and the electronic corresponding mutually output logic of reversion are also identical, their torque direction is also identical.So can be with according to torque direction
Establish regional code as shown in table 5 and correspond to phase output relation table B.The utility model simplifies the group number of form, it is only necessary to builds
Two dimensional tables are found, save memory space.
Table 2：Positive energization area table
Table 3：Reverse energization area table
Table 4：Regional code corresponds to phase output relation Table A
Table 5：Regional code corresponds to phase output relation table B
The most preferred embodiment of the utility model has illustrated, the various change or remodeling made by those of ordinary skill in the art
All without departing from the scope of the utility model.
Claims (10)
1. a kind of detecting apparatus for rotor position of four phase switch reluctances motor, it is characterized in that：Only one is linked with electronics rotor
Code-disc (1) and one be used to detect the detection sensor (2) of the code-disc (1)；The periphery of the code-disc (1) has 6 groups and follows
The detection group of ring；Each detection group includes raised test section (11), the Yi Jiyou being made of the first mechanical angle or the second mechanical angle
The recessed test section (12) that first mechanical angle or the second mechanical angle are formed is arranged to make up；The detection sensor (2) is to detection group
In raised test section (11) or recessed test section (12) export corresponding high level or low level detection signal respectively, it is described
Detection signal through sensor signal coding module (3), encoded signal processing module (4) and mutually export logic module (5), output
The phase change logic signal of four phase switch reluctance motors.
2. a kind of detecting apparatus for rotor position of four phase switch reluctances motor according to claim 1, it is characterized in that：It is described
Detection sensor (2) be optocoupler sensor, Hall sensor or close to switch；The raised test section of code-disc (1) periphery
(11) and recessed test section (12) respectively by detection sensor (2) when, the output level status of the detection sensor (2) are not
Together.
3. a kind of detecting apparatus for rotor position of four phase switch reluctances motor according to claim 2, it is characterized in that：It is described
Sensor signal coding module (3) receive detection sensor (2) output signal, and to export signal rising edge and under
Drop edge is captured, and judges raised test section (11) and recessed test section (12) institute between rising edge or trailing edge twice in succession
The size of mechanical angle is accounted for, simultaneously exports coding signal encode with this.
4. a kind of detecting apparatus for rotor position of four phase switch reluctances motor according to claim 3, it is characterized in that：It is described
When four phase switch reluctance motors rotate forward, sensor signal coding module (3) captures the rising edge of the output signal, and
Judge the size of mechanical angle shared by raised test section (11) and recessed test section (12) between rising edge twice in succession, carried out with this
Encode simultaneously exports coding signal；During the four phase switch reluctances motor reversal, sensor signal coding module (3) is to the output
The trailing edge of signal is captured, and judges raised test section (11) and recessed test section (12) institute between trailing edge twice in succession
The size of mechanical angle is accounted for, simultaneously exports coding signal encode with this.
5. a kind of detecting apparatus for rotor position of four phase switch reluctances motor according to claim 3, it is characterized in that：It is described
Encoded signal processing module (4) receiving sensor Signal coding module (3) output encoded signal, and one be with internally generated
A coding information is compared, if equal, exports corresponding coding information, if unequal, exports fault message, and
Gone to update the coding information of internal generation with the encoded signal received.
6. a kind of detecting apparatus for rotor position of four phase switch reluctances motor according to claim 5, it is characterized in that：It is described
Encoded signal processing module (4) be equipped with start processing module (41), the startup processing module (41) in electric motor starting,
By the operation to corresponding phase, to obtain rotor initial code information.
7. a kind of detecting apparatus for rotor position of four phase switch reluctances motor according to claim 6, it is characterized in that：It is described
Encoded signal processing module (4) be equipped with and calculate processing module (42), first memory (43) and second memory (44)；Receive
Encoded signal be sequentially stored into first memory (43), the second memory (44) generation has in-line coding information, institute
The signal of first memory (43) and second memory (44) is compared by the calculating processing module (42) stated, if equal,
Corresponding coding information is then exported, if unequal, exports fault message, and renewal second is gone with the encoded signal received
Coding information in memory (44).
8. a kind of detecting apparatus for rotor position of four phase switch reluctances motor according to claim 7, it is characterized in that：In electricity
When machine starts, the first memory (43) receives the information for having startup processing module (41) to export, and is sentenced according to this information
Whether correct sensor information is obtained in power machine start-up course.
9. a kind of detecting apparatus for rotor position of four phase switch reluctances motor according to claim 5, it is characterized in that：It is described
Mutually output logic module (5) received encoded signal processing module (4) output encoded signal and fault-signal, by coding
The judgement of signal exports phase logic signal to obtain corresponding phase output logical message.
10. a kind of detecting apparatus for rotor position of four phase switch reluctances motor according to claim 9, it is characterized in that：Institute
The stator poles for the four phase switch reluctance motors stated and the minimum common divisor of rotor number of poles are 4:3, first mechanical angle and
The ratio of two mechanical angles is 2:1.
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| CN201720991447.9U CN207265910U (en) | 2017-08-09 | 2017-08-09 | A kind of detecting apparatus for rotor position of four phase switch reluctances motor |
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| CN201720991447.9U CN207265910U (en) | 2017-08-09 | 2017-08-09 | A kind of detecting apparatus for rotor position of four phase switch reluctances motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276463A (en) * | 2017-08-09 | 2017-10-20 | 中国科学院宁波材料技术与工程研究所 | A kind of detecting apparatus for rotor position of four phase switch reluctances motor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107276463A (en) * | 2017-08-09 | 2017-10-20 | 中国科学院宁波材料技术与工程研究所 | A kind of detecting apparatus for rotor position of four phase switch reluctances motor |
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