CN102538150A - Variable parameter intelligent proportion integration differentiation (PID) linkage control method for multiple air conditioners - Google Patents
Variable parameter intelligent proportion integration differentiation (PID) linkage control method for multiple air conditioners Download PDFInfo
- Publication number
- CN102538150A CN102538150A CN2012100648693A CN201210064869A CN102538150A CN 102538150 A CN102538150 A CN 102538150A CN 2012100648693 A CN2012100648693 A CN 2012100648693A CN 201210064869 A CN201210064869 A CN 201210064869A CN 102538150 A CN102538150 A CN 102538150A
- Authority
- CN
- China
- Prior art keywords
- pid
- air
- control method
- parameter
- variable
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Air Conditioning Control Device (AREA)
Abstract
The invention discloses a variable parameter intelligent proportion integration differentiation (PID) linkage control method for multiple air conditioners. The method comprises the following steps of: performing weighted average calculation according to the detected data of each sensor in each area, thus acquiring a temperature error and a humidity error in each area, and adjusting a PID parameter in real time by using the deviation relation of the PID parameter and a set value so as to adjust the operation parameters of an air conditioning system around the area in a linkage mode, achieve the best combination of an output variable and deviation and ensure that a system working condition is closest to the set value. By the method, a hot and cold opposite working condition caused by local load fluctuation in the traditional large-space air conditioning system is eliminated, and the requirements of large space, high precision, constant temperature and constant humidity are met.
Description
Technical field
The invention belongs to technical field of automatic control, be specifically related to the control method of many air conditioners of a kind of variable element intelligent PID interlock control, the high-precision control method of high energy saving, high stability and constant temperature and humidity of especially building for large spacing factory building.
Background technology
Air-conditioning system of the general employing of tradition large space; When the Where topical load takes place than great fluctuation process; Air-conditioning system can't change to localised load regulate, and causes the local air parameter not satisfy technological requirement, in addition some zone appears maybe be at refrigeration cool-down; And the difference that contiguous zone possibly distribute because of the cold air influence or the machine utilization on next door causes cooling too much need heat, and forms the opposition operating mode.And the control of present air-conditioning system generally is controlled to be the master with conventional PID; This control mode is when the value of feedback of controlled variable is excessive; Can cause importing too much controlled quentity controlled variable, cause system overshoot, even disperse; Therefore in the system of dynamic, the big time delay of control, conventional PID regulates has certain drawback.In some spaces; Like the wraparound workshop of cigarette factory, the distribution of its load changes with the space in time, and the variation of air measuring point reflection localised load has certain delay; Belong to dynamic, big delayed time system; If the PID according to routine regulates, will make indoor humiture satisfy not production requirement, cause production loss.
Summary of the invention
The objective of the invention is to deficiency to prior art; The method of many air conditioners of a kind of variable element intelligent PID interlock control is provided; Eliminate the appearance of the cold and hot opposition operating mode that traditional large space air-conditioning system produces owing to localised load fluctuation, satisfy the requirement of large space high-accuracy and constant constant temperature and humidity.
The object of the invention is realized through following technical scheme.
The method of many air conditioners of a kind of variable element intelligent PID interlock control; It is characterized in that: the deviation relational expression that comprises pid parameter and setting value; Pid parameter can carry out real-time adjustment according to the variation of air conditioning condition; Make output variable and deviation reach best combining, guarantee that system condition approaches setting value most.
For the air conditioner load fluctuation of regional area, can regulate this zone air-conditioning system operational factor on every side through the interlock of variable parameter PID control method, when making air-spray to this zone, offset load fluctuation, effectively eliminate the opposition operating mode.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the present invention is done to specify further, but accompanying drawing and embodiment are not the qualification to technical scheme of the present invention.
Embodiment 1
The air conditioning of the bigger building in space is made up of a plurality of independent air-conditioning systems, and each air-conditioning system only is responsible for certain zone, and each air-conditioning system can be regulated separately.Be responsible for the zone in each air-conditioning system and settle temperature, humidity sensor; The PLC controller will carry out weighted average calculation according to the detection data of each sensor in the zone, obtain zone temperature, humidity error, for the load fluctuation of part; Regulate this zone air-conditioning system operational factor on every side through variable parameter PID; When making air-spray to this zone, offset load fluctuation, effectively eliminate the opposition operating mode.Through interlock control to many air-conditioning systems, regulate the air supply parameter of different air-conditioning systems, make temperature, the humidity of space reach the craft precision requirement.
Fig. 1 is variable parameter PID Principles of Regulation figure:
Wherein, T is the sampling period, must make T enough little, and there is certain precision in the system that could guarantee; Deviate when e (k) is the k time sampling; Deviate when e (k-1) is (k-1) inferior sampling; K is a sampling sequence number; U (k) is the output of the k time SAMPLING REGULATOR.
The variable parameter PID that the present invention adopted is regulated solution:
K
p, T
iAnd T
dCan carry out real-time adjustment according to the variation of air-conditioning system operating mode, make output variable and deviation reach best combining, guarantee that system condition approaches setting value most.The deviation relation of pid parameter and setting value is:
Wherein, K
P0, K
I0, K
D0Be respectively initial proportion coefficient, integral coefficient and differential coefficient; E is a deviation; K
P1, K
I1, K
I2, K
D1Be undetermined coefficient, confirm by system architecture.Confirm pid parameter according to formula (1)～(3).
Although above the preferred embodiments of the present invention are described; But the invention is not restricted to the above-mentioned specific embodiment; Those of ordinary skill in the art is under enlightenment of the present invention; Under the prerequisite of aim of the present invention and claim, can make multiple similar expression, such conversion all falls within protection scope of the present invention.
Claims (2)
1. a variable element intelligent PID links and controls the method for many air conditioners; It is characterized in that: the deviation relational expression that comprises pid parameter and setting value; Pid parameter carries out real-time adjustment according to the variation of air conditioning condition; Make output variable and deviation reach best combining, guarantee that system condition approaches setting value most.
2. control method according to claim 1; It is characterized in that:, regulate this zone air-conditioning system operational factor on every side through the interlock of variable parameter PID control method, when making air-spray to this zone for the air conditioner load fluctuation of regional area; Offset load fluctuation, effectively eliminate the opposition operating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100648693A CN102538150A (en) | 2012-03-13 | 2012-03-13 | Variable parameter intelligent proportion integration differentiation (PID) linkage control method for multiple air conditioners |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100648693A CN102538150A (en) | 2012-03-13 | 2012-03-13 | Variable parameter intelligent proportion integration differentiation (PID) linkage control method for multiple air conditioners |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102538150A true CN102538150A (en) | 2012-07-04 |
Family
ID=46345694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012100648693A Pending CN102538150A (en) | 2012-03-13 | 2012-03-13 | Variable parameter intelligent proportion integration differentiation (PID) linkage control method for multiple air conditioners |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102538150A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453625A (en) * | 2013-08-19 | 2013-12-18 | 苏州康华净化系统工程有限公司 | Workshop constant temperature and humidity system and control method thereof |
| CN104019526A (en) * | 2014-06-24 | 2014-09-03 | 河海大学常州校区 | Fussily self-adaptive PID temperature and humidity control system and method based on improved PSO (Particle Swarm Optimization) algorithm |
| CN105423503A (en) * | 2015-11-07 | 2016-03-23 | 中用环保科技有限公司 | Central air-conditioning energy-saving control method and system based on video human flow density map |
| CN106843227A (en) * | 2017-03-09 | 2017-06-13 | 杭州电子科技大学 | A kind of method of the autonomous tracking path planning of intelligent automobile |
| CN109269027A (en) * | 2018-06-20 | 2019-01-25 | 广东海悟科技有限公司 | A kind of air conditioner refrigerating control method, system and the device of automatic optimal |
| CN115167578A (en) * | 2022-06-22 | 2022-10-11 | 浙江中烟工业有限责任公司 | Dynamic threshold value adjusting method for temperature-changing humidity control interval |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032640A (en) * | 2009-09-25 | 2011-04-27 | 西安西翼智能科技有限公司 | Fuzzy proportion integration differentiation (PID) control method and device for industrial environment high-precision air conditioner |
-
2012
- 2012-03-13 CN CN2012100648693A patent/CN102538150A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102032640A (en) * | 2009-09-25 | 2011-04-27 | 西安西翼智能科技有限公司 | Fuzzy proportion integration differentiation (PID) control method and device for industrial environment high-precision air conditioner |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103453625A (en) * | 2013-08-19 | 2013-12-18 | 苏州康华净化系统工程有限公司 | Workshop constant temperature and humidity system and control method thereof |
| CN104019526A (en) * | 2014-06-24 | 2014-09-03 | 河海大学常州校区 | Fussily self-adaptive PID temperature and humidity control system and method based on improved PSO (Particle Swarm Optimization) algorithm |
| CN104019526B (en) * | 2014-06-24 | 2016-08-17 | 河海大学常州校区 | Improve PSO algorithm Fuzzy Adaptive PID temperature and humidity control system and method |
| CN105423503A (en) * | 2015-11-07 | 2016-03-23 | 中用环保科技有限公司 | Central air-conditioning energy-saving control method and system based on video human flow density map |
| CN106843227A (en) * | 2017-03-09 | 2017-06-13 | 杭州电子科技大学 | A kind of method of the autonomous tracking path planning of intelligent automobile |
| CN109269027A (en) * | 2018-06-20 | 2019-01-25 | 广东海悟科技有限公司 | A kind of air conditioner refrigerating control method, system and the device of automatic optimal |
| CN109269027B (en) * | 2018-06-20 | 2023-04-07 | 广东海悟科技有限公司 | Automatic optimization air conditioner refrigeration control method, system and device |
| CN115167578A (en) * | 2022-06-22 | 2022-10-11 | 浙江中烟工业有限责任公司 | Dynamic threshold value adjusting method for temperature-changing humidity control interval |
| CN115167578B (en) * | 2022-06-22 | 2024-02-02 | 浙江中烟工业有限责任公司 | Dynamic threshold adjustment method for variable-temperature humidity control interval |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102538150A (en) | Variable parameter intelligent proportion integration differentiation (PID) linkage control method for multiple air conditioners | |
| CN105674472B (en) | The refrigeration control method and device of computer room | |
| CN101737897B (en) | Space environmental temperature and humidity control method and control device thereby | |
| CN107781947B (en) | Cold and heat source prediction control method and device for building air conditioning system | |
| CN101737899B (en) | Wireless sensor network-based central air-conditioning control system and method | |
| CN104315683B (en) | Fuzzy PID (Proportion Integration Differentiation)-based water-cooled air conditioner regulation and control method | |
| CN201666640U (en) | Control system of central air conditioner based on wireless sensor network | |
| CN113108432B (en) | Air conditioning system adjusting method and system based on weather forecast | |
| CN104214911A (en) | Control method of compound PLC (programmable logic controller) air conditioning automatic control system in textile mill | |
| CN105352109A (en) | Variable-air-volume air-conditioning terminal temperature control system and method based on climate compensation | |
| CN203396032U (en) | Room temperature control device based on fuzzy self-adaption PID (proportion integration differentiation) | |
| AU2013220342B2 (en) | Method for controlling the fuel supply to burners of a burner group and burner controller | |
| CN105066341A (en) | Variable water temperature control system suitable for air conditioning secondary pump system | |
| CN106765955B (en) | Water supply variable temperature control system based on end comfort level | |
| CN202928025U (en) | Absolute humidity control device of clean air conditioner | |
| CN109140677B (en) | Intelligent building energy-saving control system and control method thereof | |
| Ma et al. | Web based chiller plant optimal control-A case study | |
| CN112539450B (en) | Multi-strategy intelligent heat supply method based on temperature and time offset control | |
| CN108019880B (en) | Fresh air volume control method and system | |
| EP3495912A1 (en) | Parallel valve control | |
| CN203533803U (en) | Energy-saving automatic control device of air conditioner system | |
| Malanchuk et al. | Problems of automation of fresh fruits and vegetables storage processes | |
| Ye et al. | Construction and application of temperature and humidity precision control model based on differentiation theory | |
| CN204880562U (en) | Air conditioning unit atmospheric control system | |
| CN106594997B (en) | Supply backwater temperature difference control system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120704 |