CN202997983U - Integrated dual-motor control system for magnetic-suspension energy-storing flywheel - Google Patents
Integrated dual-motor control system for magnetic-suspension energy-storing flywheel Download PDFInfo
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- CN202997983U CN202997983U CN 201220712382 CN201220712382U CN202997983U CN 202997983 U CN202997983 U CN 202997983U CN 201220712382 CN201220712382 CN 201220712382 CN 201220712382 U CN201220712382 U CN 201220712382U CN 202997983 U CN202997983 U CN 202997983U
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Abstract
The utility model relates to an integrated dual-motor control system for a magnetic-suspension energy-storing flywheel. The system comprises a DSP control system, upper/lower motor buck circuits, upper/lower motor three-phase bridge inverting circuits, a boost circuit, upper/lower motor current and position detection circuits, a discharging voltage detection circuit and a rotating speed detection circuit. The DSP control system includes a DSP chip and a CPLD chip, wherein the DSP chip and the CPLD chip are connected; and the DSP control system is respectively connected with the upper/lower motor buck circuits, the upper/lower motor three-phase bridge inverting circuits, the upper/lower motor current and position detection circuits, the discharging voltage detection circuit, the rotating speed detection circuit and the boost circuit. According to the system, high-precision control on the dual motors of a magnetic-suspension energy-storing flywheel is realized; and the requirements of dual-motor charging and discharging of the magnetic-suspension energy-storing flywheel can be realized precisely and reliably. Moreover, the cost is lowered; and the reliability of the system is improved.
Description
Technical field
The utility model relates to the electrical control field, is specifically related to a kind of integrated magnetic levitation energy storage flywheel Double Motor Control System.
Background technology
Magnetic levitation energy storage flywheel is a kind of physics energy storage device of a new generation, has high-power, high energy storage density, environmental protection, and have very strong anti-interference and quick advantages such as response, progressively be applied in the world, and will become the first-selected energy storage mode of the extensive energy storage device of China a new generation.
Because magnetic levitation energy storage flywheel need to be the control system power supply by the energy of self storing, realization is controlled the suspension of flywheel and the charge/discharge in superfast situation is controlled, therefore, for the accuracy of integrated motor control device, the aspects such as reliability and stability have proposed higher requirement.
The magnetic levitation energy storage flywheel Double Motor Control System generally adopts the independent control system of each motor at present.The advantage of this scheme is: each motor is controlled separately, is all system independently, is independent of each other.But the shortcoming of this scheme is: whole hardware system volume is large, power consumption is high, integrated level is poor, and has the larger wasting of resources.
The utility model content
Based on above weak point, technology of the present utility model is dealt with problems and is: provide a kind of hardware designs succinct, integrated level is high, good stability, the magnetic levitation energy storage flywheel Double Motor Control System that precision is high.
technical solution of the present utility model is: a kind of integrated magnetic levitation energy storage flywheel Double Motor Control System, comprise the DSP control system, up/down motor Buck circuit, up/down motor three-phase bridge inverter circuit, the BOOST circuit, up/down current of electric and position detecting circuit, discharge voltage testing circuit and speed detect circuit, the DSP control system comprises dsp chip and CPLD chip, dsp chip is connected with the CPLD chip, the DSP control system respectively with up/down motor Buck circuit, up/down motor three-phase bridge inverter circuit, up/down current of electric and position detecting circuit, the discharge voltage testing circuit, speed detect circuit, the BOOST circuit connects, busbar voltage is connected with upper motor Buck circuit, and upper motor Buck circuit is connected with upper motor three-phase bridge inverter circuit, and upper motor three-phase bridge inverter circuit is connected with upper motor, busbar voltage is connected with lower motor Buck circuit, and lower motor Buck circuit is connected with lower motor three-phase bridge inverter circuit, and lower motor three-phase bridge inverter circuit is connected with upper motor, up/down motor three-phase bridge inverter circuit is connected with the BOOST circuit respectively, and the BOOST circuit is connected with load circuit, and the discharge voltage testing circuit is connected with the BOOST circuit, the up/down motor is connected with speed detect circuit respectively, and upper motor is connected with position detecting circuit with upper current of electric, and lower motor is connected with position detecting circuit with lower current of electric.
The utility model also has following feature:
when 1, accumulated energy flywheel charges, the DSP control system is sent respectively the stator current control signal of up/down motor by upper motor Buck circuit and lower motor BUCK circuit are carried out voltage control, reach the adjusting to the magnitude of voltage of upper motor and lower motor, thereby the stator current of upper motor and lower motor is controlled, the control signal that the DSP control system is sent respectively up/down road three-phase bridge inverter circuit is used for up/down motor three-phase bridge inverter circuit is driven respectively upper motor and lower motor by given direction, speed and stator current size are charged, up/down current of electric and position detecting circuit detect respectively the up/down motor rotor position, thereby the commutation order of judgement motor, and with this up/down motor position signal and current signal transfer to the DSP control system, the DSP control system is according to the comparison of the current value of given charging current and feedback, adopt pid control algorithm to make the charging current of up/down motor maintain a stable value, thereby make the charging current of up/down motor realize closed-loop control.
When 2, accumulated energy flywheel discharges, the motor raising speed is after rated speed, DSP control system system is according to controlling requirement, the DSP control system produces discharge control signal, DSP control system system adopts pid control algorithm to carry out two closed-loop controls according to set-point and Boost circuit voltage value of feedback, by adjusting the upper duty ratio of BOOST circuit, the electric energy voltage stabilizing that the BOOST circuit is produced upper motor and lower motor by kinetic energy to given magnitude of voltage, is then that load circuit is powered.
3, to send respectively the control signal of up/down three-phase bridge inverter circuit be the pulse-width modulation PWM signal to described DSP control system.
4, described upper motor and lower motor are direct current machine.
5, described dsp chip is TMS320F28335.
6, described CPLD chip is EPM7256AET144-7.
Native system has been realized the high accuracy of magnetic levitation energy storage flywheel bi-motor is controlled, and has more precisely realized reliably the requirement of magnetic levitation energy storage flywheel bi-motor charge/discharge.
The utility model advantage compared with prior art is, adopts dsp chip to add CPLD and builds the magnetic levitation energy storage flywheel Double Motor Control System, overlaps independently the magnetic levitation energy storage flywheel electric machine control system with existing employing two and compares, and has following characteristics:
(1) adopt dsp chip to add CPLD as core processor, control simultaneously two-way BUCK signal, one road BOOST signal and two-way three-phase bridge inverter circuit have a level of integrated system high, good reliability, the advantage such as hardware circuit is simple, and volume is little, and is low in energy consumption.
(2) adopt dsp chip to add CPLD as core processor, reduced system's operation easier, reduced cost, improved control system, due to the increase of sampling parameter, also make the whole control precision of system higher.
Description of drawings
Fig. 1 is structure composition frame chart of the present utility model;
Fig. 3 is the block diagram of motor-driven up and down in the utility model;
Fig. 3 is the BUCK of the motor up and down power supply block diagram in the utility model;
Fig. 4 is the BOOST circuit block diagram in the utility model;
Embodiment
The utility model is described in further detail for example below in conjunction with upper Figure of description:
Embodiment 1:
as scheming: as shown in the of 1, the utility model comprises: a kind of integrated magnetic levitation energy storage flywheel Double Motor Control System, comprise DSP control system 1, up/down motor Buck circuit 2.3, up/down motor three-phase bridge inverter circuit 4.5, BOOST circuit 6, up/down current of electric and position detecting circuit 7.8, discharge voltage testing circuit 9 and speed detect circuit 10, DSP control system 1 comprises dsp chip and CPLD chip, dsp chip is connected with the CPLD chip, DSP control system 1 respectively with up/down motor Buck circuit 2.3, up/down motor three-phase bridge inverter circuit 4.5, up/down current of electric and position detecting circuit 7.8, discharge voltage testing circuit 9, speed detect circuit 10, BOOST circuit 6 connects, busbar voltage is connected with upper motor Buck circuit 2, and upper motor Buck circuit 2 is connected with upper motor three-phase bridge inverter circuit 4, and upper motor three-phase bridge inverter circuit 4 is connected with upper motor, busbar voltage is connected with lower motor Buck circuit 3, and lower motor Buck circuit 3 is connected with lower motor three-phase bridge inverter circuit 5, and lower motor three-phase bridge inverter circuit 5 is connected with upper motor, up/down motor three-phase bridge inverter circuit 4.5 is connected with BOOST circuit 6 respectively, and BOOST circuit 6 is connected with load circuit, and discharge voltage testing circuit 9 is connected with BOOST circuit 6, the up/down motor is connected with speed detect circuit 10 respectively, and upper motor is connected with position detecting circuit with upper current of electric and is connected, and lower motor is connected with position detecting circuit with lower current of electric and is connected.
During the accumulated energy flywheel charging, DSP control system 1 is sent respectively the stator current control signal of up/down motor by upper motor Buck circuit 2 and lower motor BUCK circuit 3 are carried out voltage control, reach the adjusting to the magnitude of voltage of upper motor and lower motor, thereby the stator current of upper motor and lower motor is controlled; The control signal that the DSP control system is sent respectively up/down road three-phase bridge inverter circuit is used for up/down motor three-phase bridge inverter circuit 4.5 is driven respectively motor and lower motor charges by given direction, speed and stator current size, up/down current of electric and position detecting circuit 7.8 detect respectively the up/down motor rotor position, thereby the commutation order of judgement motor, and with this up/down motor position signal and current signal transfer to DSP control system 1; DSP control system 1 adopts pid control algorithm to make the charging current of up/down motor maintain a stable value, thereby makes the charging current of up/down motor realize closed-loop control according to the comparison of the current value of given charging current and feedback.
During the accumulated energy flywheel discharge, the motor raising speed is after rated speed, DSP control system system 1 is according to controlling requirement, produce discharge control signal, DSP control system 1 adopts pid control algorithm to carry out two closed-loop controls according to set-point and Boost circuit voltage 6 values of feedback, by adjusting the upper duty ratio of BOOST circuit 6, the electric energy voltage stabilizing that BOOST circuit 6 is produced upper motor and lower motor by kinetic energy to given magnitude of voltage, is then that load circuit is powered.
The control signal that described DSP control system 1 is sent respectively up/down three-phase bridge inverter circuit is the pulse-width modulation PWM signal.Described upper motor and lower motor are direct current machine.Described dsp chip is TMS320F28335.Described CPLD chip is EPM7256AET144-7.
Embodiment 2:
as shown in Figure 2, the DSP control system is by carrying out producing the pulse-width modulation PWM signal after logic changes to the detection of power-on and power-off machine rotor position sensor signal, the control signal that produces is added to respectively the three-phase bridge inverter circuit of motor and the three-phase bridge inverter circuit of lower motor through the power drive chip, every road three-phase bridge inverter circuit all comprises six switching tubes, motor often circles will be through six commutations, each commutation has two switching tube conductings, but every a pair of pipe up and down conducting simultaneously, the different order conducting of switching tube is controlled each phase winding of motor and is worked in certain sequence, so produce the great-jump-forward rotating magnetic field in motor gas-gap, motor just can rotate.
As shown in Figure 3, be the two Buck structures in magnetic levitation energy storage flywheel, the Buck converter is also referred to as decompression transducer, is a kind of output voltage less than the single tube of input voltage isolated DC converter not.The pwm control signal that the DSP control system produces is added to respectively the switching tube of two Buck circuit and three phase inverter bridge, when busbar voltage directly is added to the three-phase bridge two ends, because the hypotensive effect of switching tube causes the switching tube heating serious.In order to address this problem, busbar voltage is first passed through the step-down of Buck circuit, and then is added to the two ends of three-phase bridge, and the heating of switching tube obviously reduces, and has guaranteed the reliability and stability of three-phase inverting circuit.Be the two Buck structures in magnetic levitation energy storage flywheel, the Buck converter is also referred to as decompression transducer, is a kind of output voltage less than the single tube of input voltage isolated DC converter not.The dsp processor system adopts pid control algorithm to make the charging current of motor maintain a stable value, thereby makes the charging current of motor realize closed-loop control according to the comparison of the current value of given charging current and feedback.
Be illustrated in figure 4 as Boost discharging structure block diagram of the present utility model, the Boost converter is also referred to as booster converter, is a kind of output voltage higher than the single tube of input voltage isolated DC converter not.When the motor raising speed after rated speed, need to discharge to accumulated energy flywheel, the DSP control system is according to controlling requirement, produce discharge control signal, by adjusting the upper duty ratio of BOOST circuit, adopt pid control algorithm to carry out two closed-loop controls according to system's set-point and Boost circuit voltage value of feedback, satisfy the voltage and current requirement of load circuit.
Native system has not only been realized the function that bi-motor discharges and recharges continuously, and has reduced cost, has improved the reliability of system.
Claims (7)
1. integrated magnetic levitation energy storage flywheel Double Motor Control System, comprise the DSP control system, up/down motor Buck circuit, up/down motor three-phase bridge inverter circuit, the BOOST circuit, up/down current of electric and position detecting circuit, discharge voltage testing circuit and speed detect circuit, it is characterized in that: the DSP control system comprises dsp chip and CPLD chip, dsp chip is connected with the CPLD chip, the DSP control system respectively with up/down motor Buck circuit, up/down motor three-phase bridge inverter circuit, up/down current of electric and position detecting circuit, the discharge voltage testing circuit, speed detect circuit, the BOOST circuit connects, busbar voltage is connected with upper motor Buck circuit, and upper motor Buck circuit is connected with upper motor three-phase bridge inverter circuit, and upper motor three-phase bridge inverter circuit is connected with upper motor, busbar voltage is connected with lower motor Buck circuit, and lower motor Buck circuit is connected with lower motor three-phase bridge inverter circuit, and lower motor three-phase bridge inverter circuit is connected with upper motor, up/down motor three-phase bridge inverter circuit is connected with the BOOST circuit respectively, and the BOOST circuit is connected with load circuit, and the discharge voltage testing circuit is connected with the BOOST circuit, the up/down motor is connected with speed detect circuit respectively, and upper motor is connected with position detecting circuit with upper current of electric, and lower motor is connected with position detecting circuit with lower current of electric.
2. a kind of integrated magnetic levitation energy storage flywheel Double Motor Control System according to claim 1, it is characterized in that: during the accumulated energy flywheel charging, the DSP control system is sent respectively the stator current control signal of up/down motor by upper motor Buck circuit and lower motor BUCK circuit are carried out voltage control, reach the adjusting to the magnitude of voltage of upper motor and lower motor, thereby the stator current of upper motor and lower motor is controlled, the control signal that the DSP control system is sent respectively up/down road three-phase bridge inverter circuit is used for up/down motor three-phase bridge inverter circuit is driven respectively upper motor and lower motor by given direction, speed and stator current size are charged, up/down current of electric and position detecting circuit detect respectively the up/down motor rotor position, thereby the commutation order of judgement motor, and with this up/down motor position signal and current signal transfer to the DSP control system, the DSP control system is according to the comparison of the current value of given charging current and feedback, adopt pid control algorithm to make the charging current of up/down motor maintain a stable value, thereby make the charging current of up/down motor realize closed-loop control.
3. a kind of integrated magnetic levitation energy storage flywheel Double Motor Control System according to claim 1, it is characterized in that: during the accumulated energy flywheel discharge, the motor raising speed is after rated speed, DSP controls system according to controlling requirement, produce discharge control signal, the DSP control system adopts pid control algorithm to carry out two closed-loop controls according to set-point and Boost circuit voltage value of feedback, by adjusting the upper duty ratio of BOOST circuit, the electric energy voltage stabilizing that the BOOST circuit is produced upper motor and lower motor by kinetic energy to given magnitude of voltage, is then that load circuit is powered.
4. a kind of integrated magnetic levitation energy storage flywheel Double Motor Control System according to claim 1, it is characterized in that: the control signal that described DSP control system is sent respectively up/down three-phase bridge inverter circuit is the pulse-width modulation PWM signal.
5. the described a kind of integrated magnetic levitation energy storage flywheel Double Motor Control System of according to claim 1-3 any one, it is characterized in that: described upper motor and lower motor are direct current machine.
6. a kind of integrated magnetic levitation energy storage flywheel Double Motor Control System according to claim 1, it is characterized in that: described dsp chip is TMS320F28335.
7. a kind of integrated magnetic levitation energy storage flywheel Double Motor Control System according to claim 1, it is characterized in that: described CPLD chip is EPM7256AET144-7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712382 CN202997983U (en) | 2012-12-21 | 2012-12-21 | Integrated dual-motor control system for magnetic-suspension energy-storing flywheel |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220712382 CN202997983U (en) | 2012-12-21 | 2012-12-21 | Integrated dual-motor control system for magnetic-suspension energy-storing flywheel |
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| CN202997983U true CN202997983U (en) | 2013-06-12 |
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| CN 201220712382 Expired - Fee Related CN202997983U (en) | 2012-12-21 | 2012-12-21 | Integrated dual-motor control system for magnetic-suspension energy-storing flywheel |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103427757A (en) * | 2013-08-21 | 2013-12-04 | 北京航空航天大学 | Magnetic bearing and motor integrated control system for magnetic suspension molecular pump |
| CN103888033A (en) * | 2012-12-21 | 2014-06-25 | 北京奇峰聚能科技有限公司 | Integrated dual-motor control system for magnetic-suspension energy-storing flywheel |
| CN108377055A (en) * | 2018-03-30 | 2018-08-07 | 苏州容浦机电科技有限公司 | A kind of novel magnetically levitated switch reluctance servo motor |
-
2012
- 2012-12-21 CN CN 201220712382 patent/CN202997983U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103888033A (en) * | 2012-12-21 | 2014-06-25 | 北京奇峰聚能科技有限公司 | Integrated dual-motor control system for magnetic-suspension energy-storing flywheel |
| CN103427757A (en) * | 2013-08-21 | 2013-12-04 | 北京航空航天大学 | Magnetic bearing and motor integrated control system for magnetic suspension molecular pump |
| CN103427757B (en) * | 2013-08-21 | 2015-12-09 | 北京航空航天大学 | A kind of maglev molecular pump magnetic bearing and motor integral networked control systems |
| CN108377055A (en) * | 2018-03-30 | 2018-08-07 | 苏州容浦机电科技有限公司 | A kind of novel magnetically levitated switch reluctance servo motor |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 100075 Beijing City, Dongcheng District Shazikou Road, No. 70 hospital south building three layer Patentee after: Beijing Qifeng Energy Technology Co., Ltd. Address before: 100010 Beijing city Dongcheng District Dongsi before Hanhai Technology Building No. 33 alley six layer Stir-Fried Noodles with Vegetables Patentee before: Beijing Qifeng Energy Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130612 Termination date: 20161221 |