CN105549650A - Gyro temperature control system based on fuzzy control algorithm - Google Patents
Gyro temperature control system based on fuzzy control algorithm Download PDFInfo
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- CN105549650A CN105549650A CN201510987042.3A CN201510987042A CN105549650A CN 105549650 A CN105549650 A CN 105549650A CN 201510987042 A CN201510987042 A CN 201510987042A CN 105549650 A CN105549650 A CN 105549650A
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- temperature
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- chip microcomputer
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/19—Control of temperature characterised by the use of electric means
- G05D23/20—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature
- G05D23/24—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor
- G05D23/2401—Control of temperature characterised by the use of electric means with sensing elements having variation of electric or magnetic properties with change of temperature the sensing element having a resistance varying with temperature, e.g. a thermistor using a heating element as a sensing element
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- General Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Automation & Control Theory (AREA)
- Feedback Control In General (AREA)
- Control Of Temperature (AREA)
Abstract
In the invention, a C8051F017 single chip microcomputer is served as a control kernel and Fuzzy-PID composite control is adopted so that a purpose of high-efficiently and accurately controlling a gyro system is reached. A hardware circuit mainly comprises an amplification circuit, an interface circuit, a filter circuit, a design and debugging portion and an interface processing portion of a single chip microcomputer and each portion. A sampling circuit collects temperature signals, the temperature signals are sent to an ADC interface of the single chip microcomputer via a front passage, are output from a DAC circuit through the single chip microcomputer and are input into a temperature control circuit so that temperature control is realized. A front passage sampling circuit is mainly formed by one bridge circuit and one differential amplifying circuit. The temperature control circuit of a rear passage is formed by an adder circuit, a voltage-current conversion circuit and a Darlington power amplifier tube. The system possesses functions of temperature detection and temperature setting, wherein the temperature detection is used for detecting an output temperature of the system and the output temperature is a temperature of a gyro part inner liquid so that a decision is made to heater control; and the temperature setting is used for setting a working temperature of a gyro part.
Description
Technical field
the present invention relates to a kind of temperature control system, particularly a kind of temperature control system being applied to gyrosystem.
Background technology
in naval vessel, gyroscope is crucial parts, is full of suspension liquid between gyro spheroid and gyro housing.The selection of gyro sphere weight and suspension liquid proportion, should guarantee after suspension liquid is heated to working temperature, gyro spheroid can have neutral buoyancy.So the design of temperature control system should ensure to heat and keep the constant value working temperature being filled with the liquid of gyrounit to be 56 ± 0.2 DEG C, therefore in this temperature, gyro spheroid has neutral buoyancy.
traditional control method (comprising classical control and modern scientist) is very difficult when process has the controlled device of non-linear or out of true characteristic.And temperature system is Large-lag System, larger purely retarded can cause system unstable.A large amount of application practices shows, adopts traditional PID to control steady-state response characteristic better, but is difficult to obtain satisfied dynamic response characteristic.The advantage of fuzzy control to obtain good dynamic response characteristic, and without the need to knowing the mathematical model of controlled device, strong adaptability, the rise time is fast, and robustness is good.But fuzzy control also exists intrinsic shortcoming, easily cause error by the restriction of the limited grade of fuzzy rule.
Summary of the invention
the present invention adopts C8051F017 single-chip microcomputer as control kernel, and have employed Fuzzy-PID complex controll, thus arrives the object efficiently controlled accurately gyrosystem.
the object of the present invention is achieved like this:
a kind of gyro temperature control system, comprising: bridge diagram, filter amplification circuit, single-chip microcomputer governor circuit, temperature-adjusting circuit, thermistor, heating plate; It is characterized in that: single-chip microcomputer governor circuit connects filter amplification circuit and temperature-adjusting circuit; Filter amplification circuit connects bridge diagram; Bridge diagram connects thermistor; Temperature-adjusting circuit connects heating plate; Thermistor connects heating plate.
c8051F017 single-chip microcomputer is adopted in described single-chip microcomputer governor circuit.
hardware circuit of the present invention mainly comprises: amplifying circuit, interface circuit, filtering circuit, design and layout part, the interface processing section of single-chip microcomputer and each several part.Sample circuit collecting temperature signal is sent to the ADC interface of single-chip microcomputer through prepass, exports from its DAC-circuit through single-chip microcomputer, is input in temperature-adjusting circuit, realizes the control to temperature.Prepass sample circuit is mainly made up of a bridge diagram and a differential amplifier circuit, and the temperature-adjusting circuit of rear passage is made up of for putting pipe adder circuit, current/charge-voltage convertor and Darlington.
advantage of the present invention: the present invention is without the need to knowing the mathematical model of controlled device, strong adaptability, and the rise time is fast, and robustness is good.The present invention adopts C8051F017 single-chip microcomputer as control kernel, and have employed Fuzzy-PID complex controll, compensate for the simple deficiency adopting pid algorithm, to the adaptive performance that the fuzzy self-adaption of pid parameter has been adjusted PID perfect further and controlled, in practical application, there is good promotional value.
the present invention has following functions:
(1) temperature detection, for the output temperature of detection system, i.e. the temperature of liquid in gyrounit, to make a policy to the control of well heater.
(2) temperature setting, for setting the working temperature of gyrounit, the temperature for different requirements setting is different, for the output of system, considers lower column signal: heater control signal, is carried out the work shape of control heater by controllable silicon; To the temperature that user display system is current.
Accompanying drawing explanation
fig. 1 is system chart of the present invention.
fig. 2 is the algorithm schematic diagram of fuzzy control.
fig. 3 is program flow diagram of the present invention.
Embodiment
below in conjunction with accompanying drawing citing, the present invention is described in more detail:
embodiment 1
composition graphs 1, Fig. 1 is system chart of the present invention.Hardware circuit of the present invention is important to be comprised: amplifying circuit, interface circuit, filtering circuit, design and layout part, the interface processing section of single-chip microcomputer and each several part.Sample circuit collecting temperature signal is sent to the ADC interface of single-chip microcomputer through prepass, exports from its DAC-circuit through single-chip microcomputer, is input in temperature-adjusting circuit, realizes the control to temperature.Prepass sample circuit is mainly made up of a bridge diagram and a differential amplifier circuit, and the temperature-adjusting circuit of rear passage is made up of for putting pipe adder circuit, current/charge-voltage convertor and Darlington.The present invention has following functions:
(1) temperature detection, for the output temperature of detection system, i.e. the temperature of liquid in gyrounit, to make a policy to the control of well heater.
(2) temperature setting, for setting the working temperature of gyrounit, the temperature for different requirements setting is different, for the output of system, considers lower column signal: heater control signal, is carried out the work shape of control heater by controllable silicon; To the temperature that user display system is current.
embodiment 2
composition graphs 2, Fig. 3, Fig. 2 is the algorithm schematic diagram of fuzzy control, and Fig. 3 is program flow diagram of the present invention.Software of the present invention adopts structured design procedures by function, comprises the modules such as initialization, the process of self-inspection key, communication, display PID arithmetic, fuzzy operation, output control, timing, storage, warning, and except initialization, other module all circulates execution.Initialization module setting C8051F017 and serial port working method, timer, communication baud rate generator, arranges the processing mode of various interruption and opens controling parameters and the processing line that interruption arranges controller simultaneously, to related cell and the mark position value of program.Interrupt service routine has three class keyboard interrupt to obtain the scan code of key, and the binary-coded decimal that analog to digital conversion interrupts obtaining temperature is set as that 20ms interrupts, and as the count pulse of dutycycle, carry out timing in 1 second, the timing module for master routine forms the sequential of various task simultaneously.
in program major cycle, key processing module completes key decoding and the processes and displays module timing new memory module of logarithmic code tube brush storage per minute temperature value, overtemperature, disconnected coupling etc. can have been judged whether for record and alarm module, and indicate. communication module circulates at every turn and inquires whether have calling, if have, continue the code that takes orders, accept the parameter of each controling parameters group according to command code, or upwards send real time temperature and historical temperature, otherwise skip this module.The control that keyboard and communication all can be arranged and parameter are divided into 4 groups, respectively:
(1) proportional band, integral time, derivative time (PID);
(2)K
1
、K
2
、K
3
、K
D
；
(3) fuzzy control table;
(4) process curve (temperature one timetable).
sampling period gets 20 seconds, and the square wave adjustable by 10 dutycycles forms, and after such PID or fuzzy operation, maximum output is 100, and scale factor K is selected accordingly.Selftest module carries out power-on self-test or button self-inspection to key hardware, comprises cpu instruction system diagnostics, EPROM diagnosis, RAM diagnosis, the diagnosis of keyboard charactron, A/D diagnosis etc.
Claims (2)
1. a gyro temperature control system, comprising: bridge diagram, filter amplification circuit, single-chip microcomputer governor circuit, temperature-adjusting circuit, thermistor, heating plate; It is characterized in that: single-chip microcomputer governor circuit connects filter amplification circuit and temperature-adjusting circuit; Filter amplification circuit connects bridge diagram; Bridge diagram connects thermistor; Temperature-adjusting circuit connects heating plate; Thermistor connects heating plate.
2. a kind of gyro temperature control system according to claim 1, is characterized in that: adopt C8051F017 single-chip microcomputer in described single-chip microcomputer governor circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510987042.3A CN105549650A (en) | 2016-01-19 | 2016-01-19 | Gyro temperature control system based on fuzzy control algorithm |
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| CN201510987042.3A CN105549650A (en) | 2016-01-19 | 2016-01-19 | Gyro temperature control system based on fuzzy control algorithm |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292766A (en) * | 2016-10-24 | 2017-01-04 | 中国科学院上海应用物理研究所 | A kind of big thermal inertia working medium loop apparatus Temperature Fuzzy Control method and system |
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| CN101025635A (en) * | 2007-03-07 | 2007-08-29 | 北京航空航天大学 | Full digital temperature control device suitable for optical fiber gyro inertial measurement combination |
| CN201097241Y (en) * | 2007-11-12 | 2008-08-06 | 中国科学院长春光学精密机械与物理研究所 | Peg-top temperature control device |
| CN203812115U (en) * | 2014-04-28 | 2014-09-03 | 上海融军科技有限公司 | Heat insulation temperature regulating device of laser gyroscope |
| CN104950950A (en) * | 2015-06-16 | 2015-09-30 | 西安交通大学 | Multi-heating point coordinate temperature control device for realizing uniform temperature field of gyroscope |
| CN105739560A (en) * | 2014-12-09 | 2016-07-06 | 哈尔滨米米米业科技有限公司 | Gyro temperature control system based on fuzzy control algorithm |
-
2016
- 2016-01-19 CN CN201510987042.3A patent/CN105549650A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2282146C1 (en) * | 2004-12-22 | 2006-08-20 | Федеральное государственное унитарное предприятие "Центральный научно-исследовательский институт "Электроприбор" | Method of temperature control of gyroscope in flowing thermostat |
| CN101025635A (en) * | 2007-03-07 | 2007-08-29 | 北京航空航天大学 | Full digital temperature control device suitable for optical fiber gyro inertial measurement combination |
| CN201097241Y (en) * | 2007-11-12 | 2008-08-06 | 中国科学院长春光学精密机械与物理研究所 | Peg-top temperature control device |
| CN203812115U (en) * | 2014-04-28 | 2014-09-03 | 上海融军科技有限公司 | Heat insulation temperature regulating device of laser gyroscope |
| CN105739560A (en) * | 2014-12-09 | 2016-07-06 | 哈尔滨米米米业科技有限公司 | Gyro temperature control system based on fuzzy control algorithm |
| CN104950950A (en) * | 2015-06-16 | 2015-09-30 | 西安交通大学 | Multi-heating point coordinate temperature control device for realizing uniform temperature field of gyroscope |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106292766A (en) * | 2016-10-24 | 2017-01-04 | 中国科学院上海应用物理研究所 | A kind of big thermal inertia working medium loop apparatus Temperature Fuzzy Control method and system |
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Application publication date: 20160504 |