CN105978413B - A kind of the serial transmission method, apparatus and permanent magnet transmission system of pulse train - Google Patents
A kind of the serial transmission method, apparatus and permanent magnet transmission system of pulse train Download PDFInfo
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- CN105978413B CN105978413B CN201610520859.4A CN201610520859A CN105978413B CN 105978413 B CN105978413 B CN 105978413B CN 201610520859 A CN201610520859 A CN 201610520859A CN 105978413 B CN105978413 B CN 105978413B
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using dc to ac converters or inverters
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Abstract
This application discloses the serial transmission method, apparatus and permanent magnet transmission system of a kind of pulse train, which is applied to the controller of permanent magnet synchronous motor in permanent magnet transmission system.Serial synchronous signal is specially generated, the serial synchronous signal includes first state and the second state, and the period of the serial synchronous signal and the cycle phase of the pulse train are same；Pulse train is encoded by pre-arranged code rule, obtains pulse coded information；It is mark with the serial synchronous signal, the pulse coded information is sent to the inverter driving apparatus of the permanent-magnet synchronous in a manner of presetting serial communication；Pulse coded information is reduced to pulse train by inverter driving apparatus after receiving above- mentioned information according to serial synchronous signal.Wherein, difference is not deposited between the pulse train after reduction and true pulse sequence, the true pulse sequence that the inverter driving apparatus so as to be used in permanent magnet synchronous motor obtains avoids the occurrence of pulse entanglement problem.
Description
Technical field
This application involves automatic control technology field, more specifically to a kind of pulse train serial transmission method,
Device and permanent magnet transmission system.
Background technology
In permanent magnet transmission system, the control of permanent magnet synchronous motor is real generally by classic control algorithm and modulation algorithm
Existing, the controller of permanent magnet synchronous motor fits pulse train by classic control algorithm and modulation algorithm, then by pulse
Sequence is output to the inverter driving apparatus of permanent magnet synchronous motor by serial communication mode, and inverter driving apparatus is according to above-mentioned pulse
Sequent synthesis is used to drive the information of voltage of permanent magnet synchronous motor.However, the original pulse sequence of controller output is by existing
After the transmission of some serial communication modes, reaches the true pulse sequence on inverter driving apparatus and will appear the pulse period and become at random
Change, small-pulse effect is lost, the small-pulse effect time lengthens isopulse entanglement problem, the information of voltage for making inverter driving apparatus synthesize and control
The information of voltage error that device is calculated is larger and is in non-linear stochastic time varying characteristic, and permanent magnet synchronous motor is caused electric current occur
The bad working environments such as waveform quality is poor, harmonic wave is high, spike is big especially easily cause to start because of system unstability to lose in startup stage
It loses.
Invention content
In view of this, the application provides a kind of the serial transmission method, apparatus and permanent magnet transmission system of pulse train, it is used for
The true pulse sequence that the inverter driving apparatus of permanent magnet synchronous motor obtains is set to avoid the occurrence of pulse entanglement problem.
To achieve the goals above, it is proposed that scheme it is as follows：
A kind of serial transmission method of pulse train is applied to the controller of permanent magnet synchronous motor in permanent magnet transmission system,
The serial transmission method specifically includes step：
Serial synchronous signal is generated, the serial synchronous signal includes first state and the second state, the serial synchronous
The period of signal and the cycle phase of the pulse train are same；
The pulse train is encoded by pre-arranged code rule, obtains pulse coded information；
It is mark with the serial synchronous signal, the pulse coded information is sent in a manner of default serial communication
The inverter driving apparatus of the permanent-magnet synchronous；
The inverter driving apparatus is used to be reduced to the pulse coded information according to the serial synchronous signal described
Pulse train.
Optionally, described to encode the pulse train by pre-arranged code rule, pulse coded information is obtained, is wrapped
It includes：
Condition judgment is carried out according to the odevity of pulse train, and the pulse train is compiled according to judging result
Code, obtains the pulse coded information.
Optionally, it is described with the serial synchronous signal be mark, by the pulse coded information with preset serial communication
Mode be sent to the inverter controller of the permanent-magnet synchronous, including：
The state of the pulse train and temporal information and the pulse coded information are formed into pulse data packet；
The serial synchronous signal is formed into synchronization signal data packet；
When the serial synchronous signal is in the first state, the synchronization signal data packet is sent, when the string
When line synchronising signal is in second state, the pulse data packet is sent.
Optionally, described when the serial synchronous signal is in the first state, send the synchronization signal data
Packet, when the serial synchronous signal is in second state, sends the pulse data packet, including：
When pulse coded information is identical in two neighboring pulse data packet, stop sending the synchronization signal data packet,
Only send the coded data packet being made of the pulse coded information.
A kind of serial transmission device of pulse train is applied to the controller of permanent magnet synchronous motor in permanent magnet transmission system,
The serial transmission device specifically includes：
Synchronizing signal generation module, for generating serial synchronous signal, the serial synchronous signal include first state and
Second state, the period of the serial synchronous signal and the cycle phase of the pulse train are same；
Pulse code module obtains pulse code letter for encoding the pulse train by pre-arranged code rule
Breath；
Serial Transmission Module, for being mark with the serial synchronous signal, by the pulse coded information with default string
The mode of row communication is sent to the inverter driving apparatus of the permanent-magnet synchronous；
The inverter driving apparatus is used to be reduced to the pulse coded information according to the serial synchronous signal described
Pulse train.
Optionally, the pulse code module is used to carry out condition judgment according to the odevity of pulse train, and according to sentencing
Disconnected result encodes the pulse train, obtains the pulse coded information.
Optionally, the Serial Transmission Module includes：
First packet generation unit, for compiling the state of the pulse train and temporal information and the pulse
Code information forms pulse data packet；
Second packet generation unit, for the serial synchronous signal to be formed synchronization signal data packet；
Data packet transmission unit, for when the serial synchronous signal is in the first state, sending the synchronization
Signal data packet sends the pulse data packet when the serial synchronous signal is in second state.
Optionally, the data packet transmission unit is used for when pulse coded information is identical in two neighboring pulse data packet
When, stop sending the synchronization signal data packet, only sends the coded data packet being made of the pulse coded information.
A kind of permanent magnet transmission system, including controller, the controller include serial transmission device as described above,
In：
The serial transmission device be used for according to preset control targe into the permanent magnet transmission system permanent magnet synchronous electric
The inverter driving apparatus of machine sends pulse train.
It can be seen from the above technical scheme that this application discloses a kind of serial transmission method, apparatus of pulse train
And permanent magnet transmission system, the serial transmission method and apparatus are applied to the controller of permanent magnet synchronous motor in permanent magnet transmission system.
Serial synchronous signal is specially generated, the serial synchronous signal includes first state and the second state, the serial synchronous signal
Period and the cycle phase of the pulse train it is same；Pulse train is encoded by pre-arranged code rule, obtains pulse code
Information；It is mark with the serial synchronous signal, the pulse coded information is sent to institute in a manner of default serial communication
State the inverter driving apparatus of permanent-magnet synchronous；Inverter driving apparatus is after receiving above- mentioned information according to serial synchronous signal by pulse
Coding information is reduced to pulse train.Wherein, difference, consistency are not deposited between the pulse train after reduction and true pulse sequence
It is good, synchronization is fully achieved in time domain, the inverter driving apparatus so as to be used in permanent magnet synchronous motor obtains true
Pulse train avoids the occurrence of pulse entanglement problem.
Description of the drawings
In order to illustrate the technical solutions in the embodiments of the present application or in the prior art more clearly, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of application for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of sequence diagram of original pulse sequence provided by the present application；
Fig. 1 a are a kind of sequence diagram that the pulse period changes provided by the present application；
Fig. 1 b are the sequence diagram to change another pulse period provided by the present application；
Fig. 1 c are the sequence diagram that random period variation occurs for a kind of pulse train provided by the present application；
Fig. 1 d are the sequence diagram to change another pulse period provided by the present application；
Fig. 1 e are the sequence diagram to change another pulse period provided by the present application；
Fig. 1 f provide the sequence diagram that random period variation occurs for another pulse train for the application；
Fig. 2 is a kind of step flow chart of the serial transmission method of pulse train provided by the embodiments of the present application；
Fig. 3 is a kind of sequence diagram of serial synchronous signal provided by the present application；
Fig. 4 is a kind of coding schematic diagram of pulse train provided by the present application；
Fig. 5 is a kind of schematic diagram of data-link provided by the present application；
Fig. 6 is a kind of signal transmission timing figure provided by the present application；
Fig. 7 is another signal transmission timing figure provided by the present application；
Fig. 8 is a kind of decoding schematic diagram of pulse train provided by the present application；
Fig. 9 provides a kind of structure diagram of the serial transmission device of pulse train for another embodiment of the application.
Specific implementation mode
Below in conjunction with the attached drawing in the embodiment of the present application, technical solutions in the embodiments of the present application carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of embodiments of the present application, instead of all the embodiments.It is based on
Embodiment in the application, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall in the protection scope of this application.
Carry out pulse letter in controller by the way of serial communication between the inverter driving apparatus of permanent magnet synchronous motor
Number transmission, communication is generally used as carrier using optical fiber, is fixed or unfixed period of time T since serial communication existsz,
The original burst signal of controller will be made after serial transmission, it may appear that following two pulse entanglement situation, such as Fig. 1
Shown, the wherein pulse period is TPWM, 1 burst length was T1, 0 burst length
If T1=NTZ,T0≠KTZ, after serial communication, T1It does not change, T0Period elongated Δ T0, Δ T0=
KTz-T0, the entire pulse period changes T 'PWM=TPWM+ΔT0, as shown in Figure 1a.If T1≠NTZ, after serial communication
T1Become T1", T1"=T1+ΔT1, wherein Δ T1=NTz-T1；If T0≠KTz, T0Period elongated T0", T0"=T0+ΔT0,
Wherein Δ T0=KTz-T0, the entire pulse period changes T "PWM=TPWM+ΔT0+ΔT1, as shown in Figure 1 b.
Therefore in the pulse train of fixed cycle, after serial communication, it will generate the period it is random and not etc. with
Machine pulse train generates significant impact to whole system as illustrated in figure 1 c.
In pulse train, when there is small-pulse effect, it may appear that pulse missing or burst length change phenomenon, concrete analysis
It is as follows, if T0=KTZ,T1<Tz, after serial communication, T0It does not change, T1Time become 0, small-pulse effect disappears, whole
A pulse period changes T 'PWM=(K+1) Tz, as shown in Figure 1 d.If T0≠KTZ,T1<Tz, the T after serial communication1Become
For T1", T1"=Tz, T0Period elongated T0", T0"=KTz, the entire pulse period changes T "PWM=(K+1) Tz, such as Fig. 1 e
It is shown.
Therefore in the sequence with small-pulse effect of fixed cycle, after serial communication, it will generate recurrent pulse shape
The random pulse sequence that state is lost or state for time lengthens generates significant impact to whole system as shown in Figure 1 f.Because in view of
This, provides following examples, has solved the problems, such as pulse entanglement.
Embodiment one
Fig. 2 is a kind of step flow chart of the serial transmission method of pulse train provided by the embodiments of the present application.
As shown in Fig. 2, the serial transmission method of pulse train provided in this embodiment is applied to above-mentioned permanent magnet transmission system
In the controller of system, specific serial transmission method includes the following steps：
S101：Generate period serial synchronous signal identical with the period of pulse train.
Wherein serial synchronous signal IOsynPeriod it is consistent with the period of pulse train, as shown in figure 3, i.e. T (IOsyn)=
TPWM, it is timed using the timer Timex of controller, while to IOsynAssignment is carried out, formula is as follows：
if(0≤Timex<sTPWM),IOsyn=0xaa
if(sTPWM≤Timex<TPWM),IOsyn=0x55
Whereink1∈ (0.3,0.5),General s=0.1~0.25；In order to retouch
It states conveniently, by IOsynFor 0xaa when referred to as first state, by IOsynFor 0x55 when referred to as the second state.
S102：Pulse train is encoded by pre-arranged code rule, obtains pulse coded information.
Different pulse trains are encoded, as shown in figure 4, different cycles encode PulsecodeDifference, but PulsecodeOnly
Two different numerical value conversions are carried out according to base, even pulse, it is assumed that pulse is the m-th period, carries out 2 to it and divides exactly remainder,
Temp=rem (M, 2), if temp=1, Pulsecode=0xbb；Such as temp=0, Pulsecode=0x44；Specific assignment
Formula is as follows：
If (temp==1), Pulsecode=0xbb；
F (temp==0), Pulsecode=0x44；
S103：It is mark with serial synchronous signal, pulse coded information is sent to inverter driving apparatus.
The data-link completely newly communicated is built, is arranged as shown in figure 5, by the state of pulse train and temporal information and arteries and veins
Rush coding information composition set of pulses data packet (Pulse data packet), by serial synchronous signal be individually composed one group it is same
Signal data packet (Syn data packet) is walked, pulse coded information is treated as into individual coded data packet (Code data
packet)。
After initiating communication to the inverter driving apparatus of permanent magnet synchronous motor, uses serial synchronous signal for mark, there is choosing
The communication for the progress pulse data packet selected.If IOsyn=0xaa then sends synchronization signal data packet；If IOsyn=0x55,
Pulse data packet (Pulse data packet) is sent, as shown in Figure 6.
Pulse data packet is sending and is mutually conflicting with the synchronizing signal triggered time in order to prevent simultaneously, is made using pulse code
To update the mark of pulse data packet, if front and back two packets pulse data coding is identical, coded data packet (Code is only sent
Data packet), pulse data packet (Pulse data packet) is not being sent, until pulse code changes, to
Pulse data packet is updated, as shown in Figure 7.
Inverter driving apparatus utilizes timer and latch after receiving packet information, by serial packet information
It is decoded, to obtain original pulse information；Specially by pulse condition, burst length in the pulse data packet received
It is latched, before serial synchronous signal does not update, number of pulses is not timed according to being updated using timer Timey
T1(T0), while timely pulse condition 1 (0) is sent, restore true pulse；After synchronizing signal updates, Abort Timer is read
It takes latch, newest pulse data packet to update the timing value in Timey, updates pulse, as shown in Figure 8：
It can be seen from the above technical proposal that present embodiments providing a kind of serial transmission method of pulse train, the string
Row transmission method is applied to the controller of permanent magnet synchronous motor in permanent magnet transmission system.Specially generate serial synchronous signal, institute
It includes first state and the second state, the period in the period of the serial synchronous signal and the pulse train to state serial synchronous signal
It is identical；Pulse train is encoded by pre-arranged code rule, obtains pulse coded information；It is mark with the serial synchronous signal
The pulse coded information is sent to the inverter driving apparatus of the permanent-magnet synchronous by will in a manner of presetting serial communication；It is inverse
Become driving device and pulse coded information is reduced to by pulse train according to serial synchronous signal after receiving above- mentioned information.Its
In, difference is not deposited between the pulse train after reduction and true pulse sequence, consistency is good, and synchronization is fully achieved in time domain,
The true pulse sequence that inverter driving apparatus so as to be used in permanent magnet synchronous motor obtains avoids the occurrence of pulse entanglement
Problem.
Embodiment two
Fig. 9 provides a kind of structure diagram of the serial transmission device of pulse train for another embodiment of the application.
As shown in figure 9, the serial transmission device of pulse train provided in this embodiment is applied to above-mentioned permanent magnet transmission system
In the controller of system, specific serial transmission device includes synchronizing signal generation module 10, pulse code module 20 and serial biography
Defeated module 30.
Synchronizing signal generation module 10 is for generating period serial synchronous signal identical with the period of pulse train.
Wherein serial synchronous signal IOsynPeriod it is consistent with the period of pulse train, as shown in figure 3, i.e. T (IOsyn)=
TPWM, it is timed using the timer Timex of controller, while to IOsynAssignment is carried out, formula is as follows：
if(0≤Timex<sTPWM),IOsyn=0xaa
if(sTPWM≤Timex<TPWM),IOsyn=0x55
Whereink1∈ (0.3,0.5),General s=0.1~0.25；In order to retouch
It states conveniently, by IOsynFor 0xaa when referred to as first state, by IOsynFor 0x55 when referred to as the second state.
Pulse code module 20 obtains pulse coded information for encoding pulse train by pre-arranged code rule.
Different pulse trains are encoded, as shown in figure 4, different cycles encode PulsecodeDifference, but PulsecodeOnly
Two different numerical value conversions are carried out according to base, even pulse, it is assumed that pulse is the m-th period, carries out 2 to it and divides exactly remainder,
Temp=rem (M, 2), if temp=1, Pulsecode=0xbb；Such as temp=0, Pulsecode=0x44；Specific assignment
Formula is as follows：
If (temp==1), Pulsecode=0xbb；
F (temp==0), Pulsecode=0x44；
Serial Transmission Module 30 is used to serial synchronous signal be mark, and pulse coded information is sent to inversion driving dress
It sets.Serial Transmission Module 30 specifically includes the first packet generation unit 31, the second packet generation unit 32 and data packet hair
Send unit 33.
Serial Transmission Module 30 builds the data-link completely newly communicated, arranges as shown in figure 5, the first packet generation unit
31 by the state of pulse train and temporal information and pulse coded information for forming set of pulses data packet (Pulse data
Packet), the second packet generation unit 32 is used to serial synchronous signal being individually composed one group of synchronization signal data packet (Syn
Data packet), pulse coded information is treated as into individual coded data packet (Code data packet).
After initiating communication to the inverter driving apparatus of permanent magnet synchronous motor, data packet transmission unit 33 is used for using serial
Synchronizing signal is mark, selectively carries out the communication of pulse data packet.If IOsyn=0xaa, then send synchronization signal data
Packet；If IOsyn=0x55 sends pulse data packet (Pulse data packet), as shown in Figure 6.
Pulse data packet is sending and is mutually conflicting with the synchronizing signal triggered time in order to prevent simultaneously, data packet transmission unit
33 use pulse code as the mark of update pulse data packet, if front and back two packets pulse data coding is identical, only sends and compile
Code data packet (Code data packet) is not sending pulse data packet (Pulse data packet), until pulse code
It changes, to update pulse data packet, as shown in Figure 7.
Inverter driving apparatus utilizes timer and latch after receiving packet information, by serial packet information
It is decoded, to obtain original pulse information；Specially by pulse condition, burst length in the pulse data packet received
It is latched, before serial synchronous signal does not update, number of pulses is not timed according to being updated using timer Timey
T1(T0), while timely pulse condition 1 (0) is sent, restore true pulse；After synchronizing signal updates, Abort Timer is read
It takes latch, newest pulse data packet to update the timing value in Timey, updates pulse, as shown in Figure 8：
It can be seen from the above technical proposal that present embodiments providing a kind of serial transmission device of pulse train, the string
Row transmitting device is applied to the controller of permanent magnet synchronous motor in permanent magnet transmission system.Specially generate serial synchronous signal, institute
It includes first state and the second state, the period in the period of the serial synchronous signal and the pulse train to state serial synchronous signal
It is identical；Pulse train is encoded by pre-arranged code rule, obtains pulse coded information；It is mark with the serial synchronous signal
The pulse coded information is sent to the inverter driving apparatus of the permanent-magnet synchronous by will in a manner of presetting serial communication；It is inverse
Become driving device and pulse coded information is reduced to by pulse train according to serial synchronous signal after receiving above- mentioned information.Its
In, difference is not deposited between the pulse train after reduction and true pulse sequence, consistency is good, and synchronization is fully achieved in time domain,
The true pulse sequence that inverter driving apparatus so as to be used in permanent magnet synchronous motor obtains avoids the occurrence of pulse entanglement
Problem.
Embodiment three
The present embodiment additionally provides a kind of permanent magnet transmission system, which includes controller, and controller is for passing through inversion
Driving device realizes the driving to permanent magnet synchronous motor.The controller is provided with the string for the pulse train that above-described embodiment is provided
Row transmitting device can avoid the pulse sequence of inverter driving apparatus reception for pulse train to be sent to inverter driving apparatus
Entanglement occurs for row.
Each embodiment is described by the way of progressive in this specification, the highlights of each of the examples are with other
The difference of embodiment, just to refer each other for identical similar portion between each embodiment.To the upper of the disclosed embodiments
State it is bright, enable professional and technical personnel in the field realize or use the application.Various modifications to these embodiments are to ability
It will be apparent for the professional technician in domain, the general principles defined herein can not depart from the application's
In the case of spirit or scope, realize in other embodiments.Therefore, the application be not intended to be limited to it is shown in this article these
Embodiment, and it is to fit to widest range consistent with the principles and novel features disclosed in this article.
Claims (9)
1. a kind of serial transmission method of pulse train is applied to the controller of permanent magnet synchronous motor in permanent magnet transmission system,
It is characterized in that, the serial transmission method specifically includes step：
Serial synchronous signal is generated, the serial synchronous signal includes first state and the second state, the serial synchronous signal
Period and the cycle phase of the pulse train it is same；
The pulse train is encoded by pre-arranged code rule, obtains pulse coded information；
It is mark with the serial synchronous signal, the pulse coded information is sent in a manner of default serial communication described
The inverter driving apparatus of permanent magnet synchronous motor；
The inverter driving apparatus is used to that the pulse coded information to be reduced to the pulse according to the serial synchronous signal
Sequence.
2. serial transmission method as described in claim 1, which is characterized in that described to advise the pulse train by pre-arranged code
It is then encoded, obtains pulse coded information, including：
Condition judgment is carried out according to the odevity of pulse train, and the pulse train is encoded according to judging result, is obtained
To the pulse coded information.
3. serial transmission method as described in claim 1, which is characterized in that it is described with the serial synchronous signal be mark,
The pulse coded information is sent to the inverter driving apparatus of the permanent magnet synchronous motor, packet in a manner of presetting serial communication
It includes：
The state of the pulse train and temporal information and the pulse coded information are formed into pulse data packet；
The serial synchronous signal is formed into synchronization signal data packet；
When the serial synchronous signal is in the first state, the synchronization signal data packet is sent, when described serial same
When step signal is in second state, the pulse data packet is sent.
4. serial transmission method as claimed in claim 3, which is characterized in that described when the serial synchronous signal is in described
When first state, the synchronization signal data packet is sent, when the serial synchronous signal is in second state, sends institute
Pulse data packet is stated, including：
When pulse coded information is identical in two neighboring pulse data packet, stops sending the synchronization signal data packet, only send out
Send the coded data packet being made of the pulse coded information.
5. a kind of serial transmission device of pulse train is applied to the controller of permanent magnet synchronous motor in permanent magnet transmission system,
It is characterized in that, the serial transmission device specifically includes：
Synchronizing signal generation module, for generating serial synchronous signal, the serial synchronous signal includes first state and second
State, the period of the serial synchronous signal and the cycle phase of the pulse train are same；
Pulse code module obtains pulse coded information for encoding the pulse train by pre-arranged code rule；
Serial Transmission Module, for being mark with the serial synchronous signal, by the pulse coded information with default serial logical
The mode of letter is sent to the inverter driving apparatus of the permanent magnet synchronous motor；
The inverter driving apparatus is used to that the pulse coded information to be reduced to the pulse according to the serial synchronous signal
Sequence.
6. serial transmission device as claimed in claim 5, which is characterized in that the pulse code module is used for according to pulse sequence
The odevity of row carries out condition judgment, and is encoded to the pulse train according to judging result, obtains the pulse code
Information.
7. serial transmission device as claimed in claim 5, which is characterized in that the Serial Transmission Module includes：
First packet generation unit, for believing the state of the pulse train and temporal information and the pulse code
Breath composition pulse data packet；
Second packet generation unit, for the serial synchronous signal to be formed synchronization signal data packet；
Data packet transmission unit, for when the serial synchronous signal is in the first state, sending the synchronizing signal
Data packet sends the pulse data packet when the serial synchronous signal is in second state.
8. serial transmission device as claimed in claim 7, which is characterized in that the data packet transmission unit is used to work as adjacent two
When pulse coded information is identical in a pulse data packet, stops sending the synchronization signal data packet, only send by the pulse
The coded data packet of coding information composition.
9. a kind of permanent magnet transmission system, including controller, which is characterized in that the controller includes as claim 5~8 is any
Serial transmission device described in, wherein：
The serial transmission device be used for according to preset control targe into the permanent magnet transmission system permanent magnet synchronous motor
Inverter driving apparatus sends pulse train.
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101164267A (en) * | 2005-02-22 | 2008-04-16 | 朝比奈正 | Sign version transmitting device and sign version receiving device |
| CN102938744A (en) * | 2012-10-08 | 2013-02-20 | 中国航天科技集团公司第九研究院第七七一研究所 | Method for realizing universal serial transceiver |
| CN104008080A (en) * | 2014-06-17 | 2014-08-27 | 杭州士兰微电子股份有限公司 | Serial data analytic method and device |
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| JP2004146982A (en) * | 2002-10-23 | 2004-05-20 | Sony Corp | Coder, coding method, program for the coding method, decoder, decoding method, and program for the decoding method |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101164267A (en) * | 2005-02-22 | 2008-04-16 | 朝比奈正 | Sign version transmitting device and sign version receiving device |
| CN102938744A (en) * | 2012-10-08 | 2013-02-20 | 中国航天科技集团公司第九研究院第七七一研究所 | Method for realizing universal serial transceiver |
| CN104008080A (en) * | 2014-06-17 | 2014-08-27 | 杭州士兰微电子股份有限公司 | Serial data analytic method and device |
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