WO1996018237A1 - Dispositif de commande d'un moteur - Google Patents
Dispositif de commande d'un moteur Download PDFInfo
- Publication number
- WO1996018237A1 WO1996018237A1 PCT/JP1995/002473 JP9502473W WO9618237A1 WO 1996018237 A1 WO1996018237 A1 WO 1996018237A1 JP 9502473 W JP9502473 W JP 9502473W WO 9618237 A1 WO9618237 A1 WO 9618237A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- signal
- motor
- circuit
- rotor
- back electromotive
- Prior art date
Links
- 238000001514 detection method Methods 0.000 claims description 49
- 238000010586 diagram Methods 0.000 description 26
- 238000003708 edge detection Methods 0.000 description 18
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 9
- 238000007493 shaping process Methods 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 4
- 230000010355 oscillation Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 230000007257 malfunction Effects 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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
- H02P6/182—Circuit arrangements for detecting position without separate position detecting elements using back-emf in windings
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
- G04C3/143—Means to reduce power consumption by reducing pulse width or amplitude and related problems, e.g. detection of unwanted or missing step
-
- 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
- H02P8/00—Arrangements for controlling dynamo-electric motors rotating step by step
- H02P8/02—Arrangements for controlling dynamo-electric motors rotating step by step specially adapted for single-phase or bi-pole stepper motors, e.g. watch-motors, clock-motors
Definitions
- the present invention relates to a motor drive device that performs high-speed rotation by phase detection control.
- Rotating motors at higher speeds is one of the most important factors in improving the basic performance of motors, and R & D has been underway for many years.
- electronic watches one of the products that use motors, have become increasingly versatile in recent years, and have developed watches with various functions other than the normal time display, such as a stopwatch, an alarm, and dual time. , Has been commercialized.
- the pointer when the system is initialized in the initial state such as when the battery is turned on, or when the mode is switched or the hand position is reset to zero during normal use, the pointer must be fast-forwarded. Force had always occurred.
- Fig. 8 is a block diagram of a conventional motor drive device consisting of a two-pole step motor
- Figs. 9 to 14 are plan views showing the positional relationship between the magnetic poles of the stator and the rotor.
- a two-pole step motor consists of a driving coil 101, a flat stator 102, and a rotor 103, as shown in Fig. 8, and the flat stator 102 has a step 102. It has a configuration in which a force is provided.
- motor drivers 104a and 104b are provided, and by changing the potentials at both ends of the drive coil 101, a current flows through the drive coil 101 to excite the flat stator 102. .
- the magnetic pole position of the rotor 103 relative to the flat stay 102 is the static stable point shown in FIG.
- the magnetic pole positions of the rotor 103 and the flat stator 102 are shown in FIG. It is the position of the electromagnetic stable point 1 1 1 shown in.
- a pulse signal for changing the potential of both ends of the drive coil 101 is output, and a pulse current is supplied to the drive coil 101 to rotate the rotor 103.
- the rotor 103 rotates while a current is applied to the drive coil 101, and the rotor 103 comes to the magnetic pole position shown in FIG. 11 with respect to the flat stator 102.
- the current flowing through the drive coil 101 stops, but the rotor 103 rotates to the position shown in FIG. 12 due to inertia, and the rotor 103 then rotates around the static stable point 110. It oscillates and finally stops.
- a pulse signal is output from the motor driver 104a to supply a current to the drive coil 101, and as shown in FIG.
- the rotor 103 rotates 180 degrees in the rotation direction indicated by A in FIG.
- a pulse signal is output from the motor driver 104 b on the side opposite to the last time the pulse signal was output, and the rotor 103 is moved in the direction of A in FIG. 13. Rotate another 180 degrees.
- the rotor 103 is rotated by passing a current through the drive coil 101 from a state in which the rotor 103 is stationary, the rotor 103 is surely rotated in the direction indicated by A in FIG. 13. .
- step motor when the step motor is rotated at a high speed, it is needless to say that the rotor 103 needs to be rotated at a high speed. At this time, it is necessary to narrow the output interval of the pulse signals output from the motor driver 104a and the driver 104b.
- the output interval of the pulse signal should be set so that the damped vibration after the rotation of the rotor 103 does not exceed the electromagnetic stable point 111. It had to be longer than the time to stabilize.
- the sum of the pulse width of the pulse signal and the stabilization time of the damped oscillation, that is, the output period of the pulse signal, is at least around 1 OmS. This indicates that the current driving method has a limit of about 100 Hz as the output frequency of the pulse signal.
- FIG. 15 is a configuration diagram of an improved conventional motor drive device.
- the detection motor 105 wound coaxially with the drive coil 101 above the step motor of FIG.
- a counter electromotive voltage detection circuit 106 composed of a differential pump for detecting a counter electromotive voltage generated in the detection coil 105 when the rotor 103 rotates by s force is added.
- the magnetic pole position of the rotor 103 with respect to the flat stator 102 changes the back electromotive force generated by the rotation of the rotor 103.
- Is detected by the back electromotive voltage detection circuit 106 via the detection coil 105, and the output timing of the pulse signal is controlled based on the output from the back electromotive voltage detection circuit 106. Have been.
- the detection coil 105 has been used as a detecting means for detecting a back electromotive voltage generated by the rotation of the rotor 103.
- the provision of the detection coil 105 is more than a conventional stepping motor, as long as it has only to have two points of contact between the drive coil 105 and the electronic circuit. Two contacts are required between 105 and the electronic circuit, for a total of four contacts. Increasing the number of contacts between the coil and the electronic circuit is a major constraint on the size, wiring, and other structural aspects of the motor drive design. Further, the provision of the detection coil 105 itself has an effect on an increase in coil size, an increase in manufacturing cost, and the like.
- the present invention for solving the above-mentioned problem is a step motor including: a rotor having at least two poles of a stay and a rotor having at least two poles of permanent magnets; and a drive coil magnetically coupled to the stay.
- a drive pulse generator for outputting a pulse signal for driving the step motor; a drive circuit for supplying a drive current to the drive coil based on a signal from the drive pulse generator;
- a back electromotive voltage detection circuit for detecting a back electromotive voltage generated by rotation of the rotor, and a magnetic pole for detecting a magnetic pole position of the rotating rotor with respect to the stay based on the back electromotive voltage generated in the back electromotive voltage detection circuit.
- a position detection unit wherein the drive pulse generation unit controls the output timing of the pulse signal based on a detection signal from the magnetic pole position detection unit.
- the back electromotive voltage detection means is connected to one end of the drive coil, and the other end of the drive coil is provided with bias means for biasing a potential level to a potential between power supply voltages. It is characterized by the following.
- the bias means outputs a bias voltage of about 1 Z 2 of a power supply voltage.
- switch means for controlling the operation of the bias means is provided, and the switch means is controlled to 0 FF while the pulse signal is supplied from the drive circuit.
- a delay means for delaying an output timing of a pulse signal for driving the step motor based on a detection signal from the magnetic pole position detection means is provided.
- the delay means is a hysteresis comparator connected to the output side of the back electromotive voltage detection circuit.
- the back electromotive voltage detection circuit detects the back electromotive voltage generated by the rotation of the rotor. It has a DC voltage component removing means for removing a DC voltage component.
- FIG. 1 is a circuit diagram showing a first embodiment of a drive circuit in a motor drive device of the present invention
- FIG. 2 is a waveform diagram showing the operation of the drive circuit of FIG. 1
- FIG. 3 is a drive circuit in the motor drive device of the present invention.
- FIG. 4 is a system block diagram of a motor drive device of the present invention
- FIG. 5 is a waveform diagram showing an operation state of the system block diagram of FIG. 4
- FIG. 6 is a motor drive device of the present invention.
- FIG. 7 is a circuit diagram showing another embodiment of the back electromotive voltage detection circuit of the present invention
- FIG. 8 is a circuit diagram showing a driving unit of a conventional motor driving device, Fig.
- FIG. 9 is a plan view showing the static stable point of the two-pole step motor in Fig. 8
- Fig. 10 is a plan view showing the electromagnetic stable point of the two-pole step motor in Fig. 8
- Fig. 11 is the two poles in Fig. 8.
- FIG. 8 is a plan view showing the position of magnetic poles during rotation of the step motor.
- FIG. 13 is a plan view showing the rotation direction of the two-pole step motor in FIG. 8
- FIG. 13 is a plan view showing the rotation direction of the two-pole step motor in FIG. 8
- FIG. 14 is a plan view showing the rotation direction of the two-pole step motor in FIG.
- FIG. 15 is a circuit diagram showing a drive unit of a conventional motor drive device having a detection coil.
- FIG. 15 is a circuit diagram showing a drive unit of a conventional motor drive device having a detection coil.
- FIG. 16 is a circuit diagram showing a second embodiment of a drive circuit in the motor drive device of the present invention. Is a circuit diagram showing another embodiment of the drive circuit in the motor drive device of the present invention, FIG. 18 is a circuit diagram showing a third embodiment of the drive circuit in the motor drive device of the present invention, and FIG. FIG. 20 is a circuit diagram showing another embodiment of the drive circuit in the motor drive device of the present invention, FIG. 20 is a system block diagram showing another embodiment of the motor drive device of the present invention, and FIG. 21 is the drive circuit of FIG. FIG. 22 is a waveform diagram showing the operation of the motor driving device of the present invention.
- FIG. 23 is a system block diagram showing another embodiment of the present invention, and FIG. 23 shows a case where the signal A out changes the bias voltage Vb from positive to negative or negative when a DC current is generated from the coil due to the influence of the DC magnetic field. It is a figure explaining a point which crosses in a positive direction from.
- FIG. 1 is a circuit diagram showing a first embodiment of a drive circuit in a motor drive device of the present invention.
- FIG. 2 is a waveform chart showing the operation of the drive circuit of FIG.
- 1a and 1b are motor drivers, and 2 is a drive coil.
- Reference numeral 3 denotes a bias circuit comprising switch means 3a and 3b and bias resistors 3c and 3d having the same resistance value.
- 4 is a flat stay.
- Reference numeral 5 denotes a back electromotive voltage detection circuit, which includes an inverter 5a, a feedback resistor 5b, and an input resistor 5c.
- 6 is an inverter and 7 is a rotor.
- the motor drivers 1a and 1b buffer the input signals of ⁇ 1 in and 02 in when the signal 0E power is “H” level, and output the output to high impedance when the signal OE power is “H” level. I do.
- the switch means 3a and 3b are switches which are turned off when the signal SE power s is "L” level and turned on when it is at “H” level.
- the signal OE is at the “H” level, and the “H” level pulse signal PS 1 is output from the motor driver 1 a.
- the rotor 7 rotates in the same manner as described above.
- the switch means 3a and 3b are both in the OFF state because the signal SE power is at the "L" level. Since the signal OE is at the "L" level in the period b in FIG. 2, the outputs of the motor drivers la and 1b are in a high impedance state, and the switch means 3a and 3b are turned on.
- the terminal X which is one end of the drive coil 2, is divided into a bias voltage Vb, which is 1Z2 of the power supply voltage.
- the waveform of the voltage appearing at the terminal Y which is one end of the driving coil 2 during the period b in FIG. 2 will be described.
- the outputs of the motor drivers 1a and 1b are in a high impedance state, the switch means 3a and 3b are turned on, and the bias resistor 3c and 3d cause the voltage at the terminal X to fall below the bias voltage Vb.
- the voltage value of the terminal Y becomes the bias voltage Vb as in the case of the terminal X, unless the rotation of the rotor 7 or the motor driver 1a, lb is affected.
- an induced voltage is generated as shown by Vr in FIG.
- the induced voltage generated from the drive coil 2 becomes dominant immediately after the output of the pulse signal PS1, but the influence decreases with time, and The back electromotive force from the rotor 7 becomes dominant.
- the timing P at which the waveform of Aout crosses the bias voltage Vb in the positive to negative direction is substantially equal to the timing at which the rotor 7 passes through the electromagnetically stable point already described.
- the rotor 7 has an electromagnetic pole position with respect to the flat stator 4 Since it has passed the stable point, it continues to rotate in the forward direction without reverse rotation.
- the magnetic pole position of the rotor 7 is in a region where the rotor 7 reliably rotates in the forward direction, and the rotor 7 itself maintains the rotation in the normal rotation direction. Can be.
- the back electromotive voltage detection circuit 5 of the present invention detects the back electromotive voltage from the rotor 7 using the drive coil 2, and when detecting the back electromotive voltage, outputs the motor drivers 1 a and 1 b to high impedance.
- the bias voltage Vb is created by dividing the power supply voltage using the bias resistors 3c and 3d, but as shown in FIG.
- a configuration is also conceivable in which a buffer circuit 10 is inserted between the contact point of the terminal X and the terminal X and the terminal X.
- the level of the bias voltage Vb is hardly affected even when a load fluctuation occurs on the amplifier circuit side. It can be performed stably.
- the configuration of the back electromotive voltage detection circuit 5 in FIG. 1 is changed to the configuration of the back electromotive voltage detection circuit 11 using the operational amplifier shown in FIG. It is possible to
- FIG. 4 is a system block diagram of the motor drive device of the present invention.
- 21 is an oscillation circuit
- 22 is a frequency divider circuit
- 23 is a waveform shaping circuit
- 24 is a drive control circuit
- 25 is a drive circuit
- 26 is a magnetic pole composed of a positive edge detection circuit 26a and a negative edge detection circuit 26b.
- a position detection circuit 27 is a pulse control circuit.
- the drive circuit 25 is obtained by adding the OR circuit 8 and the NOR circuit 30 to the drive circuit of FIG. 1 described above, and has a configuration shown in FIG.
- FIG. 5 is a waveform diagram showing an operation state BI of the system block diagram of FIG.
- the signal F output from the pulse control circuit 27 is at the “H” level. Since the outputs 01 in and 02 in from the drive control circuit 24 to the drive circuit 25 are both at the “L” level, the outputs of the motor drivers la and lb are both at the “L” level. This is to prevent the motor from rotating due to an external magnetic field or impact. Further, since the level is (1 ⁇ '' ⁇ ) level, the output of the NOR circuit 30 becomes “L", and both the switch means 3a and 3b are in the off state.
- the waveform shaping circuit 23 sets the signal 0E to the “H” level as in the period tl of FIG. 5 in synchronization with the rise of the signal Ptrg.
- the drive control circuit 24 outputs the signal 0E
- the positive edge detection circuit 26a is activated when the signal EE is at the "H” level, and when the signal A out crosses the bias voltage Vb in the negative direction while the signal 0E is at the “L” level. Output the negative edge detection signal NE.
- the output signal Aout of the back electromotive voltage detection circuit 5 outputs the back electromotive voltage Vg generated by the rotation of the rotor 7, as shown in FIG. .
- the negative edge detection circuit 26b receives the signal Aout, and outputs a negative edge detection signal NE when the level of the signal Aout crosses the bias voltage Vb in the negative direction.
- the pulse control circuit 27 When receiving the negative edge detection signal NE, the pulse control circuit 27 outputs a signal Ptrg.
- the waveform shaping circuit 23 sets the signal 0E to the “H” level again during the period t3 in FIG. 5 in synchronization with the rise of P trg.
- the drive control circuit 24 in synchronism with the Ri Standing on power s of the signal 0E, while the "H” level signal EE, signal 0E is the “H” level while the signal 02 in the "H”.
- the positive edge detection circuit 26a receives Aout, and outputs a positive edge detection signal PE when the level of the signal Aout crosses the bias voltage Vb from negative to positive.
- the pulse control circuit 27 outputs a signal Ptrg when receiving the positive edge detection signal PE. Thereafter, the same operation is repeated, and the rotor 7 keeps rotating.
- a stop signal ES is input to the pulse control circuit 27 from outside.
- the pulse control circuit 27 When receiving the positive edge detection signal PE or the negative edge detection signal NE immediately after the input of the stop signal ES, the pulse control circuit 27 outputs the last signal Pt rg. In the example of FIG. 5, the pulse control circuit 27 receives the negative edge detection signal NE and outputs a signal Ptrg.
- the positive edge detection circuit 26a After the "H” level is output to the signal 02in in the period t5 in FIG. 5, the positive edge detection circuit 26a becomes active in the period t6 in FIG. 5, and the signal A out changes to the bias voltage V.
- the positive edge detection signal PE is output at the timing when b is crossed from the negative direction to the positive direction.
- the pulse control circuit 27 Upon receiving the positive edge detection signal PE, the pulse control circuit 27 sets the signal Fd to "H" level, fixes the outputs of the drivers la and 1b to “L” level, and ends the operation of the circuit. .
- the bias means 3 and the back electromotive voltage detection circuit 5 do not need to operate when the rotor 7 is not rotating. Therefore, in consideration of reducing the current consumption of the system when the rotor 7 is not rotating, the bias circuit 3 stops the operation of the bias circuit 3 by turning off the switch means 3a and 3b. More preferably, in the back electromotive voltage detection circuit 5, for example, a switch 12 is provided as shown in FIG. 7, and when the rotor 7 is not rotating, no current is consumed by the back electromotive voltage detection circuit 5. It is desirable to have a configuration.
- the back electromotive voltage detection circuit and the bias means which are the features of the present invention, can be constituted by a resistor or a semiconductor element, it is possible to easily reduce the temperature, and the motor in a portable electronic device such as an electronic timepiece can be obtained. It has a great effect on miniaturization of drive device and low current consumption.
- the drive coil detects the back electromotive voltage from the rotor, the detection circuit is greatly affected by external noise, especially in a magnetic field. For example, when a motor is placed in a DC magnetic field, DC current may be generated from both ends of the coil due to the relationship between the direction of the magnetic field lines and the direction of the coil. When this happens, the signal
- Aout changes under the influence of the DC magnetic field, that is, a point at which the signal Aout force crosses the bias voltage Vb in the positive to negative or negative to positive direction (hereinafter referred to as “0 cross position”). It changes, and it becomes impossible to detect the timing when the back electromotive force becomes zero level.
- FIG. 23 is a diagram illustrating the 0 cross position when a DC current is generated from the coil due to the influence of the DC magnetic field.
- FIG. 16 is a circuit diagram showing a second embodiment of the drive circuit in the motor drive device of the present invention.
- the same components as those in FIG. 1 are denoted by the same reference numerals, and description thereof is omitted.
- a DC voltage component generated by a DC magnetic field is cut by a capacitor to reduce the influence.
- the driving circuit of this embodiment is obtained by adding a DC voltage removing circuit 14 to the driving circuit of FIG. 1, and the DC voltage removing circuit 1 4 is connected.
- the DC voltage removing circuit 14 includes a feedback resistor 14a, an inverter 14b, and a capacitor 14c.
- the DC voltage component generated in the coil 2 can be removed by the DC voltage removal circuit 14, and the output signal C out of the DC voltage removal circuit 14 is the AC voltage from which the DC component has been removed. It becomes a waveform, that is, a detected waveform.
- the motor can be controlled without being affected by the DC magnetic field. Can be rotated.
- the removal of the DC voltage component by the capacitor can also be applied to the drive circuit shown in FIG. 3, and the drive circuit in this case is as shown in FIG.
- the drive circuit is obtained by adding a DC voltage removal circuit 15 to the drive circuit of Fig. 3, and this DC voltage removal circuit 15 is composed of an operational amplifier 15a and an input resistor 15b. And capacitor 15c and force.
- FIG. 18 is a circuit diagram showing a third embodiment of the drive circuit in the motor drive device of the present invention.
- the same components as those in FIG. 1 are denoted by the same reference numerals, and description thereof is omitted.
- the effect of the DC voltage component generated by the DC magnetic field is reduced by providing a hysteresis comparator.
- the drive circuit of this embodiment is obtained by adding a hysteresis comparator 13 to the drive circuit of FIG. 1, and this hysteresis comparator 13 is connected to the subsequent stage of the back electromotive voltage detection circuit 5. Is done.
- the hysteresis comparator 13 includes an input resistor 13a, a feedback resistor 13b, an inverter 13c, and an inverter 13d.
- a hysteresis comparator 12 composed of an input resistor 12a, a period resistor 12b, an amplifier 12c, and a power is used. It can be realized by providing.
- the hysteresis comparator 29 between the drive circuit 25 and the magnetic pole position detection circuit 26 (the hysteresis comparator 13 in FIG. 18 and the hysteresis comparator 12 in FIG.
- the purpose of this is to provide a delay in the detection timing of the 0 cross, thereby preventing malfunction due to the influence of a magnetic field or the like.
- the operation of the hysteresis comparator will be described using the drive circuit shown in FIG. 18 as an example.
- the operation of the inverters 13c and 13d is such that the output is at “L” level if the input power is at “H” level and the input power is at “L” level at 1/2 of the power supply voltage Vth. If it is, the output becomes “H” level.
- Hysteresis comparator output 1 3 output line The output of the inverter 13d becomes “L” level when the signal Aout power is “L” level, and becomes “H" level when the signal Aout is “H” level.
- the output of the inverter 13d changes from the "L" level to the "H” level.
- the potential Vc1 of the signal Aout becomes as shown in the equation (1).
- Vc 1 Vt h + ⁇ -(Ra / Rb) x V d d (1)
- Vc 2 Vth— (Ra / Rb) xVdd (2)
- the potential for zero crossing differs between when the potential changes from positive to negative and when it changes from negative to positive. Can be provided.
- FIG. 22 is a system block diagram of another embodiment of the motor drive device of the present invention.
- the same components as those in FIG. 4 are denoted by the same reference numerals, and description thereof will be omitted.
- the effect of the DC voltage component generated by the DC magnetic field is reduced by providing a delay for a certain period of time after detecting the 0 cross and before outputting the pulse signals 01 in and 02 in. It is. For example, by providing a delay of ⁇ T shown in Fig. 23, if the voltage generated due to the influence of the magnetic field or the like is within ⁇ Vd, the next pulse signal will not be output earlier. In other words, the worst malfunction that the motor rotates in the reverse direction can be prevented.
- the motor drive device of the present embodiment is obtained by adding a delay circuit 28 to the motor drive device of FIG. In FIG. 22, the delay circuit 28 is provided between the pulse control circuit 27 and the waveform shaping circuit 23.
- the pulse signal is output after detecting the zero cross. It is obvious that, for example, a delay circuit 28 may be provided between the waveform shaping circuit 23 and the drive control circuit 24, and the same effect can be obtained. .
- the present invention is not limited to an electronic timepiece, and can be used for any electronic device that uses a watch. In particular, it is very useful for electronic equipment that requires miniaturization, and has significant effects such as miniaturization of motor drive equipment and low current consumption.
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- Control Of Stepping Motors (AREA)
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/693,191 US6091221A (en) | 1994-12-08 | 1995-12-05 | Motor driving apparatus for perfoming high-speed rotation by phase detection control |
EP95938640A EP0744825B1 (en) | 1994-12-08 | 1995-12-05 | Motor driving device |
DE69508567T DE69508567T2 (de) | 1994-12-08 | 1995-12-05 | Antriebsvorrichtung fuer einen motor |
JP51747796A JP3645908B2 (ja) | 1994-12-08 | 1995-12-05 | モータ駆動装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6/304440 | 1994-12-08 | ||
JP30444094 | 1994-12-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1996018237A1 true WO1996018237A1 (fr) | 1996-06-13 |
Family
ID=17933041
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP1995/002473 WO1996018237A1 (fr) | 1994-12-08 | 1995-12-05 | Dispositif de commande d'un moteur |
Country Status (5)
Country | Link |
---|---|
US (1) | US6091221A (ja) |
EP (1) | EP0744825B1 (ja) |
JP (1) | JP3645908B2 (ja) |
DE (1) | DE69508567T2 (ja) |
WO (1) | WO1996018237A1 (ja) |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JP2004526129A (ja) * | 2000-12-05 | 2004-08-26 | ウーテーアー・エス・アー・マニファクチュール・オロロジェール・スイス | 振動装置の振動を維持する方法及びそれを実施する振動装置 |
WO2008018162A1 (fr) * | 2006-08-07 | 2008-02-14 | Norio Miyauchi | Appareil électronique entraîné par un moteur |
JP2008295246A (ja) * | 2007-05-28 | 2008-12-04 | Norio Miyauchi | ステップモータの駆動方法と、その駆動回路と、それを適用した振動モータとファンモータ |
JP2010200600A (ja) * | 2009-01-28 | 2010-09-09 | Sanyo Electric Co Ltd | ドライバ回路 |
JP2011139578A (ja) * | 2009-12-28 | 2011-07-14 | Sanyo Electric Co Ltd | モータ駆動回路 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69719656T2 (de) * | 1996-04-11 | 2003-12-18 | Citizen Watch Co Ltd | Antriebsvorrichtung für einen motor |
DE10225610B4 (de) * | 2002-06-07 | 2006-12-28 | Trinamic Motion Control Gmbh & Co. Kg | Verfahren und Schaltungsanordnung zum Betreiben eines Schrittmotors |
EP2141559B1 (fr) * | 2008-07-01 | 2011-12-07 | EM Microelectronic-Marin SA | Montre munie d'un boîtier de commande d'un moteur électrique |
JP2010243473A (ja) * | 2009-03-18 | 2010-10-28 | Seiko Instruments Inc | ステッピングモータ制御回路及びアナログ電子時計 |
JP2010243249A (ja) * | 2009-04-02 | 2010-10-28 | Seiko Instruments Inc | ステッピングモータ制御回路及びアナログ電子時計 |
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JPS54139015A (en) * | 1978-04-19 | 1979-10-29 | Seiko Instr & Electronics Ltd | Circuit for detecting operation of step motor |
JPS55122180A (en) * | 1979-03-16 | 1980-09-19 | Citizen Watch Co Ltd | Driving circuit for pulse motor of timepiece |
JPS5646698A (en) * | 1979-09-04 | 1981-04-27 | Suisse Horlogerie | Power supply device for clockkuse single phase stepping motor |
JPS59117499A (ja) * | 1982-09-10 | 1984-07-06 | フアブリク・ドルロジエリ−・ドウ・フオンタンムロン・ソシエテ・アノニム | ステツプバイステツプ形電動機ユニツト駆動方法および装置 |
JPH02124000A (ja) * | 1988-09-23 | 1990-05-11 | Asulab Sa | ステップモータのロータが所定位置を通過する瞬時を検出する方法と装置およびこのモータを制御する方法 |
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FR2461399A1 (fr) * | 1979-07-09 | 1981-01-30 | Suisse Horlogerie | Detecteur de position d'un moteur pas a pas |
WO1993019404A1 (en) * | 1992-03-18 | 1993-09-30 | Citizen Watch Co., Ltd. | Electronic machine with vibratory alarm |
US5432445A (en) * | 1992-07-24 | 1995-07-11 | Dinsmore Instrument Company | Mirror image differential induction amplitude magnetometer |
JPH06102003A (ja) * | 1992-09-22 | 1994-04-12 | Fuji Koki Seisakusho:Kk | 磁性体移動検出装置 |
US5451832A (en) * | 1993-07-01 | 1995-09-19 | Sgs-Thomson Microelectronics, Inc. | Method and circuitry for drag braking a polyphase DC motor |
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- 1995-12-05 EP EP95938640A patent/EP0744825B1/en not_active Expired - Lifetime
- 1995-12-05 JP JP51747796A patent/JP3645908B2/ja not_active Expired - Fee Related
- 1995-12-05 US US08/693,191 patent/US6091221A/en not_active Expired - Lifetime
- 1995-12-05 WO PCT/JP1995/002473 patent/WO1996018237A1/ja active IP Right Grant
- 1995-12-05 DE DE69508567T patent/DE69508567T2/de not_active Expired - Lifetime
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JPS54139015A (en) * | 1978-04-19 | 1979-10-29 | Seiko Instr & Electronics Ltd | Circuit for detecting operation of step motor |
JPS55122180A (en) * | 1979-03-16 | 1980-09-19 | Citizen Watch Co Ltd | Driving circuit for pulse motor of timepiece |
JPS5646698A (en) * | 1979-09-04 | 1981-04-27 | Suisse Horlogerie | Power supply device for clockkuse single phase stepping motor |
JPS59117499A (ja) * | 1982-09-10 | 1984-07-06 | フアブリク・ドルロジエリ−・ドウ・フオンタンムロン・ソシエテ・アノニム | ステツプバイステツプ形電動機ユニツト駆動方法および装置 |
JPH02124000A (ja) * | 1988-09-23 | 1990-05-11 | Asulab Sa | ステップモータのロータが所定位置を通過する瞬時を検出する方法と装置およびこのモータを制御する方法 |
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Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004526129A (ja) * | 2000-12-05 | 2004-08-26 | ウーテーアー・エス・アー・マニファクチュール・オロロジェール・スイス | 振動装置の振動を維持する方法及びそれを実施する振動装置 |
JP4851682B2 (ja) * | 2000-12-05 | 2012-01-11 | ウーテーアー・エス・アー・マニファクチュール・オロロジェール・スイス | 振動装置の振動を維持する方法及びそれを実施する振動装置 |
WO2008018162A1 (fr) * | 2006-08-07 | 2008-02-14 | Norio Miyauchi | Appareil électronique entraîné par un moteur |
US8125174B2 (en) | 2006-08-07 | 2012-02-28 | Norio Miyauchi | Motor driven electronic apparatus |
JP2008295246A (ja) * | 2007-05-28 | 2008-12-04 | Norio Miyauchi | ステップモータの駆動方法と、その駆動回路と、それを適用した振動モータとファンモータ |
JP4565514B2 (ja) * | 2007-05-28 | 2010-10-20 | 則雄 宮内 | ステップモータの駆動方法と、その駆動回路と、それを適用した振動モータとファンモータ |
JP2010200600A (ja) * | 2009-01-28 | 2010-09-09 | Sanyo Electric Co Ltd | ドライバ回路 |
JP2011139578A (ja) * | 2009-12-28 | 2011-07-14 | Sanyo Electric Co Ltd | モータ駆動回路 |
US8604744B2 (en) | 2009-12-28 | 2013-12-10 | Semiconductor Components Industries, Llc | Motor drive circuit for rotating a rotor by supplying the currents to two coils |
Also Published As
Publication number | Publication date |
---|---|
EP0744825B1 (en) | 1999-03-24 |
DE69508567T2 (de) | 1999-07-29 |
EP0744825A4 (en) | 1998-03-04 |
EP0744825A1 (en) | 1996-11-27 |
DE69508567D1 (de) | 1999-04-29 |
US6091221A (en) | 2000-07-18 |
JP3645908B2 (ja) | 2005-05-11 |
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