CN110501902A - A kind of single input Fuzzy Sliding plane control method - Google Patents
A kind of single input Fuzzy Sliding plane control method Download PDFInfo
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- CN110501902A CN110501902A CN201910794155.XA CN201910794155A CN110501902A CN 110501902 A CN110501902 A CN 110501902A CN 201910794155 A CN201910794155 A CN 201910794155A CN 110501902 A CN110501902 A CN 110501902A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B13/00—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion
- G05B13/02—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric
- G05B13/0205—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system
- G05B13/024—Adaptive control systems, i.e. systems automatically adjusting themselves to have a performance which is optimum according to some preassigned criterion electric not using a model or a simulator of the controlled system in which a parameter or coefficient is automatically adjusted to optimise the performance
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Abstract
The invention discloses a kind of single input Fuzzy Sliding plane control methods, comprising the following steps: step 1: in the control loop of hybrid power power supply system, voltage is converted into analog signal by AD7824 and inputs digitial controller；Analog signal: being changed into the digital signal for representing voltage by A/D converter controller in digitial controller and data converter by step 2, and two sub- controlled variable subgroups are synthesized single controlled variables before inputting fuzzy logic controller；Step 3: the subsequent single controlled variable is blurred by fuzzy logic controller, fuzzy deduction and de-fuzzy, obtaining corresponding electricity knots modification to control external voltage by pulsewidth modulation, the invention uses single input Fuzzy Sliding plane control, the defect for delay of electric loading variation itself is made up, the efficiency of system fast and stable voltage is improved.
Description
Technical field
The present invention relates to Fuzzy Sliding plane control method and technology field, specially a kind of single input Fuzzy Sliding plane control
Method processed.
Background technique
Existing mixed power supply system framework, detecting are spliced after type DC-to-dc converter, and voltage value is provided through ADC
Material conversion, then via pwm control circuit obtain voltage knots modification to control external voltage, as shown in Figure 3.
Current switch controller of power supply mostly with the realization of traditional fuzzy controller, however is supplied integrating high-power mixing
In electric system, traditional fuzzy controller itself expends a large amount of rule base, becomes when applying in more complex construction for electricity and load
Under changing quickly, the setting time of power supply system voltage can be made to be significantly increased, such as: traditional fuzzy controls framework, and Vref is plumbic acid electricity
The reference voltage in pond and the reference value of output voltage, data are the measuring value and output voltage measuring value of current lead-acid battery, always
Altogether there are two input, 49 rule bases cause circuit delay defect, as illustrated in figures 4-5, it would therefore be highly desirable to a kind of improved technology
To solve the problems, such as this in the presence of the prior art.
Summary of the invention
The purpose of the present invention is to provide a kind of single input Fuzzy Sliding plane control methods, use single input Fuzzy Sliding
Plane control makes up the defect for delay of electric loading variation itself, improves the efficiency of system fast and stable voltage, above-mentioned to solve
The problem of being proposed in background technique.
To achieve the above object, the invention provides the following technical scheme: a kind of single input Fuzzy Sliding plane control method,
The following steps are included:
Step 1: in the control loop of hybrid power power supply system, voltage is converted into analog signal input number by AD7824
Controller；
Step 2: analog signal is changed into and represents voltage by A/D converter controller in digitial controller and data converter
Digital signal, and two sub- controlled variable subgroups are synthesized into single controlled variables before inputting fuzzy logic controller；
Step 3: the subsequent single controlled variable is blurred by fuzzy logic controller, fuzzy deduction and de-fuzzy,
Obtaining corresponding electricity knots modification to control external voltage by pulsewidth modulation.
Preferably, in the step 1 hybrid power power supply system a total of two-stage circuit of control loop, return described in two-stage
Road include the lead-acid battery of first order control loop constant voltage mode and second level control loop stabilize the output voltage determine
Voltage mode, circuit described in two-stage are all made of Fuzzy Sliding face plate controller.
Preferably, the Fuzzy Sliding face plate controller adjusts separately first order main switching control and opens with second level main control
The responsibility cycle of pass adjusts to which the optimization of slip plane parameter be added.
Preferably, fuzzy deduction is carried out calling corresponding rule from rule base with merging by rule base in the step 3
Then.
Compared with prior art, the beneficial effects of the present invention are:
The present invention uses single input Fuzzy Sliding plane control, makes up the defect for delay of electric loading variation itself, improves system
The efficiency of fast and stable voltage.
Detailed description of the invention
Fig. 1 is framework schematic diagram of the present invention.
Fig. 2 is that present invention addition a parameter will be such that rule base drops after two single controlled variables of sub- controlled variable subgroups synthesis
The low schematic diagram for being 7.
Fig. 3 is current mixed power supply system configuration diagram.
Fig. 4 be traditional fuzzy control framework (Vref is the reference voltage of lead-acid battery and the reference value of output voltage,
Vsample is the measuring value and output voltage measuring value of current lead-acid battery) schematic diagram.
Fig. 5 is that traditional fuzzy controls framework, and altogether there are two input, one shares the schematic diagram of 49 rule bases.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Referring to Fig. 1, the present invention provides a kind of technical solution: a kind of single input Fuzzy Sliding plane control method, including
Following steps:
Step 1: in the control loop of hybrid power power supply system, voltage is converted into analog signal input number by AD7824
Controller；
Step 2: analog signal is changed into and represents voltage by A/D converter controller in digitial controller and data converter
Digital signal, and two sub- controlled variable subgroups are synthesized into single controlled variables before inputting fuzzy logic controller；
Step 3: the subsequent single controlled variable is blurred by fuzzy logic controller, fuzzy deduction and de-fuzzy,
Obtaining corresponding electricity knots modification to control external voltage by pulsewidth modulation.
Wherein, a total of two-stage circuit of control loop that hybrid power power supply is united in step 1, two-stage circuit include first
The constant voltage mode of the lead-acid battery of grade control loop and the constant voltage mode of second level control loop stabilized the output voltage, two
Grade circuit is all made of Fuzzy Sliding face plate controller, and Fuzzy Sliding face plate controller adjusts separately first order main switching control and the
The responsibility cycle of second level main switching control adjusts to which the optimization of slip plane parameter be added.
Wherein, fuzzy deduction is carried out calling corresponding rule from rule base with merging by rule base in step 3.
The present invention uses slip plane framework, and according to the principle of slip plane, a parameter is added by two sub- controlled variable
It is combined into single controlled variable, it is a=1 that this system, which optimizes adjusted value,.26, and rule base is made to be reduced to 7, as shown in Figure 2.
The overshoot in DC-to-dc converter load variation is reduced in system, promotes transient response and reduction
Setting time, the invention use single input Fuzzy Sliding face plate controller, the usage amount of ownership function are greatly decreased, and through most
Goodization adjusts slip plane parameter, reaches the fast hardware efficiency of arithmetic speed and supports multi-stage dc-dc converter.
Principle: in the control loop of hybrid power power supply system, having the circuit of two-stage in total, first order control loop
The constant voltage mode of lead-acid battery and the constant voltage mode of second level control loop stabilized the output voltage are all made of Fuzzy Sliding
Face plate controller.When lead-acid battery is greater than maximum voltage or output voltage for quota voltage, the present invention penetrates Fuzzy Sliding plane
Controller will adjust separately the responsibility cycle of first order main switching control Yu second level main switching control, and slip plane parameter is added
Optimization adjustment, to reach the output voltage of system fast and stable.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of single input Fuzzy Sliding plane control method, it is characterised in that: the following steps are included:
Step 1: in the control loop of hybrid power power supply system, voltage is converted into analog signal input number by AD7824
Controller；
Step 2: analog signal is changed into and represents voltage by A/D converter controller in digitial controller and data converter
Digital signal, and two sub- controlled variable subgroups are synthesized into single controlled variables before inputting fuzzy logic controller；
Step 3: the subsequent single controlled variable is blurred by fuzzy logic controller, fuzzy deduction and de-fuzzy,
Obtaining corresponding electricity knots modification to control external voltage by pulsewidth modulation.
2. a kind of single input Fuzzy Sliding plane control method according to claim 1, it is characterised in that: the step 1
A total of two-stage circuit of control loop of middle hybrid power power supply system, circuit described in two-stage include the plumbic acid of first order control loop
The constant voltage mode of battery and the constant voltage mode of second level control loop stabilized the output voltage, circuit described in two-stage are all made of
Fuzzy Sliding face plate controller.
3. a kind of single input Fuzzy Sliding plane control method according to claim 2, it is characterised in that: the fuzzy cunning
Dynamic face plate controller adjusts separately the responsibility cycle of first order main switching control and second level main switching control to which sliding be added
The optimization of plane parameter adjusts.
4. a kind of single input Fuzzy Sliding plane control method according to claim 1, it is characterised in that: the step 3
Middle fuzzy deduction is carried out calling corresponding rule from rule base with merging by rule base.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910794155.XA CN110501902A (en) | 2019-08-27 | 2019-08-27 | A kind of single input Fuzzy Sliding plane control method |
| PCT/CN2019/105106 WO2021035802A1 (en) | 2019-08-27 | 2019-09-10 | Single-input fuzzy sliding plane control method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910794155.XA CN110501902A (en) | 2019-08-27 | 2019-08-27 | A kind of single input Fuzzy Sliding plane control method |
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| WO (1) | WO2021035802A1 (en) |
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| TW201316646A (en) * | 2011-10-04 | 2013-04-16 | Iner Aec Executive Yuan | Hybrid intelligent control system and algorithm for automatic voltage regulator |
| EP2703914A1 (en) * | 2011-10-13 | 2014-03-05 | Institute of Nuclear Energy Research Atomic Energy Council | Hybrid control system and method for automatic voltage regulator |
| CN103840678A (en) * | 2014-03-17 | 2014-06-04 | 广东省自动化研究所 | Fuzzy sliding mode control method for matrix rectifier |
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| CN203705848U (en) * | 2014-01-06 | 2014-07-09 | 新疆希望电子有限公司 | Composite control type electric power system stabilizer |
| CN104779798A (en) * | 2015-04-27 | 2015-07-15 | 东南大学 | Method for controlling fuzzy PID digital control DC-DC converter |
| CN106300977B (en) * | 2016-10-17 | 2018-10-23 | 东南大学 | A kind of single input fuzzy PID control method of Buck types DC-DC converter |
| CN108312870B (en) * | 2018-02-02 | 2020-08-21 | 杭州电子科技大学 | Energy management method for hydrogen consumption and load change of hybrid electric vehicle |
| US10367421B1 (en) * | 2018-10-16 | 2019-07-30 | Emirates Steel Industries Co. Pjsc | Method and system for grid-connected converter synchronization fault prevention with recovery |
| CN109884883A (en) * | 2019-03-15 | 2019-06-14 | 长春工业大学 | A kind of configurable brshless DC motor speed regulation fuzzy controller |
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2019
- 2019-08-27 CN CN201910794155.XA patent/CN110501902A/en active Pending
- 2019-09-10 WO PCT/CN2019/105106 patent/WO2021035802A1/en active Application Filing
Patent Citations (5)
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| TWI273996B (en) * | 2005-11-10 | 2007-02-21 | Nat Univ Chung Hsing | An intelligent energy control system for fuel cell/electric hybrid scooters |
| TW200837519A (en) * | 2007-03-05 | 2008-09-16 | Univ Nat Taiwan Science Tech | Method of fuzzy logic control with combined sliding mode concept for ideal dynamic responses |
| TW201316646A (en) * | 2011-10-04 | 2013-04-16 | Iner Aec Executive Yuan | Hybrid intelligent control system and algorithm for automatic voltage regulator |
| EP2703914A1 (en) * | 2011-10-13 | 2014-03-05 | Institute of Nuclear Energy Research Atomic Energy Council | Hybrid control system and method for automatic voltage regulator |
| CN103840678A (en) * | 2014-03-17 | 2014-06-04 | 广东省自动化研究所 | Fuzzy sliding mode control method for matrix rectifier |
Non-Patent Citations (2)
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| 刘林山等: "FPGA的智能电动阀门定位系统的研究与设计", 《武汉理工大学学报》 * |
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| WO2021035802A1 (en) | 2021-03-04 |
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Application publication date: 20191126 |