WO2004109919A1 - デジタル差動増幅制御装置 - Google Patents
デジタル差動増幅制御装置 Download PDFInfo
- Publication number
- WO2004109919A1 WO2004109919A1 PCT/JP2004/007699 JP2004007699W WO2004109919A1 WO 2004109919 A1 WO2004109919 A1 WO 2004109919A1 JP 2004007699 W JP2004007699 W JP 2004007699W WO 2004109919 A1 WO2004109919 A1 WO 2004109919A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- phase signal
- magnetic body
- signal
- phase
- differential amplification
- Prior art date
Links
Classifications
-
- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/14—Electronic commutators
- H02P6/16—Circuit arrangements for detecting position
- H02P6/18—Circuit arrangements for detecting position without separate position detecting elements
-
- 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
- H02P25/00—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details
- H02P25/02—Arrangements or methods for the control of AC motors characterised by the kind of AC motor or by structural details characterised by the kind of motor
- H02P25/06—Linear motors
-
- 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
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/006—Controlling linear motors
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K5/00—Manipulating of pulses not covered by one of the other main groups of this subclass
- H03K5/15—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors
- H03K5/151—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with two complementary outputs
- H03K5/1515—Arrangements in which pulses are delivered at different times at several outputs, i.e. pulse distributors with two complementary outputs non-overlapping
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03F—AMPLIFIERS
- H03F2200/00—Indexing scheme relating to amplifiers
- H03F2200/351—Pulse width modulation being used in an amplifying circuit
Definitions
- the present invention relates to a digital differential amplification control device, and more particularly to a digital drive control device improved to solve the problem of energy loss.
- This digital drive control device is applicable to PWM drive devices, PWM display devices, digital transmission devices (DVI etc.).
- Differential amplification is a transmission method that drives two signal lines and determines the “0” or “1” by the voltage (potential difference) between them. It enables high-speed transmission.
- this differential amplifier circuit for example, one described in Japanese Patent Application Laid-Open No. 5-298886 exists.
- a first differential amplifier circuit receiving complementary input data at the gate of a first conductivity type MOS transistor and transmitting internal data complementary to each other;
- a second differential amplifier circuit receiving at the gate of the second conductivity type MOS transistor having a conductivity type opposite to that of the second conductivity type and transmitting output data complementary to each other.
- differential amplification control is applied to drive of a load.
- FIG. 10 shows a control device showing this, and reference numeral 200 denotes a drive circuit portion of a load driven by a drive control signal (A-phase signal) 202 of the load.
- the drive control signal 202 is composed of a square wave.
- Reference numeral 204 denotes an inverter (differential driver) which outputs a B-phase signal obtained by inverting the A-phase signal to the load drive circuit.
- This differential amplification control circuit includes switching transistors TR1 to TR4 when applying the drive current to the load !.
- FIG. 11 shows the waveform at this time, and (1) is a differential control waveform consisting of A-phase signal and B-phase signal, and A-phase rectangular wave signal a and B-phase rectangular wave signal b changes each pattern alternately.
- An object of the present invention is to provide a digital differential amplification control device which is excellent in energy efficiency by reducing such loss and which does not require a protection circuit of an active element.
- the present invention provides a digital data forming means for differential amplification control, an A-phase signal consisting of a rectangular wave transmitted from the data transmitting means, and an inversion of the A-phase signal.
- a differential control means for dividing and transmitting to the B-phase signal, and a correction means for correcting at least one of the A-phase signal and the B-phase signal so that the cross point between the A-phase signal and the B-phase signal disappears
- a digital differential amplification control device According to the present invention, in the differential control waveform, since the cross points of a plurality of signals are masked, the problem of the aforementioned loss can be solved.
- the differential amplification control device further includes a drive circuit of a load, and the correction means is configured to output an A-phase signal and a B-phase signal to the drive circuit.
- the differential amplification control digital data forming means forms a drive control signal of the load and outputs it as digital data to the drive circuit.
- the receiver further comprises differential receiver means for receiving the A-phase signal and the B signal and recovering and outputting the digital data.
- the correction means masks at least one of the A-phase signal and the B-phase signal such that the cross point disappears.
- the correction means is configured to correct at least one of the A-phase signal and the B-phase signal such that the cross point is eliminated based on a clock signal.
- the correction means masks at least one of the rising point and the falling point of at least one of the A-phase signal and the B-phase signal.
- FIG. 1 shows a schematic diagram and an operation principle of a motor as a load to be subjected to differential amplification control.
- FIG. 2 shows the principle of operation following FIG.
- FIG. 3 shows the principle of operation following FIG.
- FIG. 4 shows the principle of operation following FIG.
- FIG. 5 is an equivalent circuit diagram showing the connection state of the electromagnetic coil.
- 6 (1) is a perspective view of the motor, (2) is a schematic plan view of the mouth, (3) is a side view thereof, and (4) is a phase A electromagnetic coil (first magnetic body), (5) Is a side view of a B-phase electromagnetic coil (second magnetic body).
- FIG. 7 is a control block diagram of a differential amplification control device according to the present invention.
- FIG. 8 is a block diagram of the circuit.
- Figure 9 is the control waveform diagram.
- FIG. 10 is a block diagram of a conventional digital differential amplification controller.
- FIG. 11 is a control waveform characteristic diagram thereof.
- FIGS. 1 to 4 show a schematic view of a motor serving as a load in the present invention and a rotation principle.
- This motor has a configuration in which a third magnetic body 14 (permanent magnet) is interposed between a first magnetic body (first phase coil) 10 and a second magnetic body (second phase coil) 12. It is.
- These magnetic materials may be annular (arcuate, circular) or linear.
- the magnetic body 10 When the magnetic body is formed in an annular shape, it functions as either the third magnetic body or the first and second magnetic bodies, and when the magnetic body is formed linearly, either one is a slider. It becomes.
- the first magnetic body 10 has a configuration in which coils 16 which can be excited to different polarities alternately are sequentially arranged at a predetermined interval, preferably, an equal interval.
- An equivalent circuit diagram of this first magnetic body is shown in FIG. Figure 1 According to Figure 4, as will be described later, during the starting rotation (2 ⁇ ), the two-phase exciting coils are always excited with all the coils with the previously described polarity. Therefore, it is possible to rotate and drive the driven means such as the rotor and the slider with high torque.
- a plurality of electromagnetic coils 16 are connected in series at equal intervals.
- Reference numeral 18A is a block of an excitation circuit (load drive circuit) for applying a frequency pulse signal to the magnetic coil.
- an excitation signal for exciting the coil is supplied to the excitation circuit coil or the electromagnetic coil 16, it is preset that each coil is excited so that the direction of the magnetic pole changes alternately between adjacent coils. ing.
- electromagnetic coils 16 may be connected in parallel.
- the direction of the polarity of the excitation current supplied from the excitation circuit 18A to the electromagnetic coil 16 of the first magnetic body 10 and the excitation coil 18 of the second magnetic body 12 is alternately switched at a predetermined cycle.
- a signal having a desired frequency is applied, as shown in FIGS. 1 to 4, a magnetic pattern is formed in which the polarity on the third magnetic body 14 alternates with the pole ⁇ S pole ⁇ pole.
- the frequency pulse signal has the reverse polarity, a magnetic pattern is generated in which the polarity of the first magnetic body on the third magnetic body side changes alternately from S pole to ⁇ pole to S pole.
- the excitation pattern appearing on the first magnetic body 10 changes periodically.
- the structure of the second magnetic body 12 is the same as that of the first magnetic body 10, but the electromagnetic coil 18 of the second magnetic body is positionally offset with respect to the electromagnetic coil 16 of the first magnetic body. They are arranged differently. That is, the arrangement pitch of the coils of the first magnetic body and the arrangement pitch of the coils of the second magnetic body are set to have a predetermined pitch difference (angular difference).
- This pitch difference is the distance by which the permanent magnet (third magnetic body) 14 moves relative to the coils 16, 18 corresponding to one period (2.pi.) of the frequency of the excitation current, ie, one pair of poles.
- the total distance of S and S pole the distance corresponding to ⁇ 2 which is its 1Z 4 is preferred.
- the third magnetic body 14 is disposed between the first magnetic body and the second magnetic body, and has a plurality of permanent magnets alternately having opposite polarities. 20 (filled in black) in a line (straight or arc), They are arranged at predetermined intervals, preferably at equal intervals.
- the circular arc shape includes a closed loop such as a complete circle and an oval, as well as an unspecified annular structure, a semicircle, and a fan shape.
- the first magnetic body 10 and the second magnetic body 12 are disposed, for example, in parallel via an equal distance, and the third magnetic body 10 and the second magnetic body 12 are disposed at the center position of the first magnetic body and the second magnetic body.
- the magnetic body 14 is disposed.
- the arrangement pitch of the individual permanent magnets is almost the same as the arrangement pitch of the magnetic coils in the first magnetic body 10 and the second magnetic body 12.
- each coil 16 of the surface of the first magnetic body 10 facing the third magnetic body 14 magnetic poles are generated in a pattern of ⁇ S ⁇ N ⁇ S ⁇ N ⁇ S ⁇
- the second magnetic body 12 In the coil 18 of the surface facing the magnetic body 14 side, magnetic poles are generated in a pattern of ⁇ N ⁇ S ⁇ N ⁇ S ⁇ N ⁇ .
- the arrow indicated by a solid line in the figure indicates an attractive force
- the arrow indicated by an alternate long and short dash line indicates a reaction force.
- the first magnetic material of (1) is The repulsive force is generated between the magnetic pole generated in the coil 16 of the body 10 and the magnetic pole of the permanent magnet 20 on the surface of the third magnetic body 14, and is generated in the coil 18 of the second magnetic body 12.
- attractive force is generated between the magnetic pole and the magnetic pole of the surface of the permanent magnet of the third magnetic body 14, as shown in (1) to (5), the third magnetic body has a right direction in the drawing.
- the coil 18 of the second magnetic body 12 is applied with a pulse that is out of phase with the exciting current of the first magnetic body, as shown in (6) to (8),
- the magnetic pole of the coil 18 of the second magnetic body 12 and the magnetic pole of the surface of the permanent magnet 20 of the third magnetic body 14 repel each other to move the third magnetic body 14 further to the right.
- (1) to (8) show cases where the permanent magnet moves a distance corresponding to ⁇ , and (9) to (16) move a distance corresponding to the remaining ⁇ , ie, (1) ) Through (16), the distance corresponding to one period (2.pi.) of the frequency signal supplied to the electromagnetic coils 16, 18 is relative to the first and second magnetic bodies with respect to the first and second magnetic bodies. Moving.
- the third magnetic body 14 can be slid linearly by supplying the number signal respectively, or the third magnetic body 14 can be rotated as a rotor.
- the magnetic structure shown in FIG. 1 constitutes a rotary motor, and these magnetic bodies are linearly shaped. Once formed, this magnetic structure constitutes a linear motor. That is, by the structure of these magnetic bodies, a rotary drive body such as a motor can be realized.
- the third magnetic body can be moved by receiving the magnetic force of the first magnetic body and the second magnetic body, torque when moving the third magnetic body As the torque Z weight balance becomes excellent, it becomes possible to provide a small motor that can be driven with high torque.
- FIG. 6 is a concrete view of the magnetic body structure described above as a synchronous motor, (1) is a perspective view of the motor, and (2) is a schematic plan view of a rotor (third magnetic body). The figure (3) shows the side view, (4) shows the A-phase electromagnetic coil (first magnetic body), and (5) shows the B-phase electromagnetic coil (second magnetic body).
- the reference numerals in FIG. 6 are the same as the corresponding components in the previously described figures.
- the motor includes a pair of first phase magnetic bodies 10 and a second phase magnetic body 12 corresponding to a stator, and the above-described third magnetic body 14 constituting a rotor.
- the rotor 14 is rotatably disposed about the shaft 37 between the phase magnetic body and the second phase magnetic body.
- the rotary shaft 37 is pressed into a rotary shaft opening hole at the center of the rotor so that the rotor and the rotary shaft rotate integrally.
- the rotor is provided with six permanent magnets 20 equally in the circumferential direction, and the polarities of the permanent magnets are alternately reversed.
- the stator is provided with six electromagnetic coils evenly in the circumferential direction.
- FIG. 7 is a control block diagram of the differential amplification control device according to the present invention
- FIG. 8 is a circuit diagram of its driver 200
- FIG. 9 is a control waveform diagram.
- A-phase signal correction unit 214 and B-phase signal correction unit 216 are provided to correct both phase signals so as to exclude the cross point between the A phase signal and B phase signal.
- the correction clock signal generation unit 212 is provided to correct both phase signals so as to exclude the cross point between the A phase signal and B phase signal.
- T1 Is the A-phase control signal before correction
- ⁇ is the A-phase control signal after correction
- T2 is the B-phase control signal before correction
- the B-phase control signal after ⁇ 2 correction
- a load 200A is a first phase coil or a second phase coil of the motor described above. The control signals for the A and B phases described above are supplied to the drive control circuit 200 of each phase coil.
- (1) is an output waveform diagram of the correction clock signal
- (2) is an A-phase signal output waveform before correction
- (3) is a B-phase signal output waveform before correction.
- the output waveform before correction is formed and output in the differential amplification control signal formation unit 202.
- the correction units 214 and 216 described above correct each phase signal based on the correction clock signal.
- the differential amplification control signal formation unit 212 of FIG. 7 corresponds to the digital data formation means for differential amplification control in the claims, and the inverter (differential driver) 204 is the differential amplification means. 214 and 216 correspond to the correction means.
- the present invention uses differential amplification control to drive a load
- the present invention can also be applied to data transmission if the load is an impedance in the data transmission unit.
- the present invention is a digital differential that is excellent in low power consumption and energy efficiency by eliminating such loss and does not require the protection circuit of the active element.
- a control device can be provided. Furthermore, it is possible to reduce the radiation noise and to improve the consumption efficiency of the storage battery by eliminating the waste of energy as in the portable device, the car and the like.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Amplifiers (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Inverter Devices (AREA)
- Control Of Stepping Motors (AREA)
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP04745555A EP1630962A4 (en) | 2003-06-05 | 2004-06-03 | DEVICE FOR CONTROLLING DIGITAL DIFFERENTIAL AMPLIFICATION |
US10/559,239 US20060139095A1 (en) | 2003-06-05 | 2004-06-03 | Digital differential amplification control device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003-161140 | 2003-06-05 | ||
JP2003161140A JP2004364438A (ja) | 2003-06-05 | 2003-06-05 | デジタル差動増幅制御装置 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004109919A1 true WO2004109919A1 (ja) | 2004-12-16 |
Family
ID=33508596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/007699 WO2004109919A1 (ja) | 2003-06-05 | 2004-06-03 | デジタル差動増幅制御装置 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20060139095A1 (ja) |
EP (1) | EP1630962A4 (ja) |
JP (1) | JP2004364438A (ja) |
CN (1) | CN100405740C (ja) |
WO (1) | WO2004109919A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7137300B2 (ja) * | 2017-09-25 | 2022-09-14 | キヤノン株式会社 | 搬送装置、搬送システム、搬送システムの制御方法、加工システム及び物品の製造方法 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05298886A (ja) * | 1992-04-17 | 1993-11-12 | Matsushita Electric Ind Co Ltd | 差動伝送回路 |
JPH08266070A (ja) * | 1995-03-24 | 1996-10-11 | T I Shii Shichizun:Kk | 高速型有極信号増幅器 |
JPH08307230A (ja) * | 1995-04-28 | 1996-11-22 | Canon Inc | ゲート信号発生回路とインバータ装置 |
JPH1013207A (ja) * | 1996-06-27 | 1998-01-16 | Fujitsu Ltd | ドライバー回路における貫通電流防止回路 |
JP2000031810A (ja) * | 1998-07-10 | 2000-01-28 | Fujitsu Ltd | ドライバ回路 |
JP2003133953A (ja) * | 2001-10-30 | 2003-05-09 | Sharp Corp | アナログ/デジタル変換回路 |
JP2003189683A (ja) * | 2001-12-19 | 2003-07-04 | Denso Corp | 電気負荷駆動装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6232806B1 (en) * | 1998-10-21 | 2001-05-15 | International Business Machines Corporation | Multiple-mode clock distribution apparatus and method with adaptive skew compensation |
-
2003
- 2003-06-05 JP JP2003161140A patent/JP2004364438A/ja active Pending
-
2004
- 2004-06-03 WO PCT/JP2004/007699 patent/WO2004109919A1/ja active Application Filing
- 2004-06-03 US US10/559,239 patent/US20060139095A1/en not_active Abandoned
- 2004-06-03 EP EP04745555A patent/EP1630962A4/en not_active Withdrawn
- 2004-06-03 CN CNB2004800156175A patent/CN100405740C/zh not_active Expired - Fee Related
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05298886A (ja) * | 1992-04-17 | 1993-11-12 | Matsushita Electric Ind Co Ltd | 差動伝送回路 |
JPH08266070A (ja) * | 1995-03-24 | 1996-10-11 | T I Shii Shichizun:Kk | 高速型有極信号増幅器 |
JPH08307230A (ja) * | 1995-04-28 | 1996-11-22 | Canon Inc | ゲート信号発生回路とインバータ装置 |
JPH1013207A (ja) * | 1996-06-27 | 1998-01-16 | Fujitsu Ltd | ドライバー回路における貫通電流防止回路 |
JP2000031810A (ja) * | 1998-07-10 | 2000-01-28 | Fujitsu Ltd | ドライバ回路 |
JP2003133953A (ja) * | 2001-10-30 | 2003-05-09 | Sharp Corp | アナログ/デジタル変換回路 |
JP2003189683A (ja) * | 2001-12-19 | 2003-07-04 | Denso Corp | 電気負荷駆動装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP1630962A4 * |
Also Published As
Publication number | Publication date |
---|---|
EP1630962A4 (en) | 2006-11-15 |
CN100405740C (zh) | 2008-07-23 |
CN1802792A (zh) | 2006-07-12 |
EP1630962A1 (en) | 2006-03-01 |
JP2004364438A (ja) | 2004-12-24 |
US20060139095A1 (en) | 2006-06-29 |
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