CN115216564B - Control system and control method for cane feeding table for squeezing pretreatment of sugar refinery - Google Patents
Control system and control method for cane feeding table for squeezing pretreatment of sugar refinery Download PDFInfo
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Abstract
The invention discloses a control system of a cane feeding table for press pretreatment of a sugar refinery, which comprises n cane feeding table feeding subsystems and cane conveying machines; the n sugarcane feeding subsystems comprise a first-stage conveying system and a second-stage conveying system, and the second-stage conveying systems comprise a first monitor and a first laser radar; the sugarcane conveying machine is provided with (n-1) second laser radars; the second laser radar is arranged between two adjacent sugarcane feeding subsystems of the sugarcane feeding platform; the sugarcane conveying machine is also provided with a second monitor. The control method for the electric operation time of the driving motor of the sugarcane feeding table feeding subsystem is established, automatic regulation and control of the driving motor are achieved, interference caused by human factors is avoided, blanking is balanced, the operation load of the shredder and the stability of the whole squeezing system are effectively stabilized, and stable squeezing quantity is facilitated.
Description
Technical Field
The invention relates to a control system and a control method for a cane feeding table for press pretreatment of a sugar refinery.
Background
At present, the cane feeding tables of the cane mill squeezing pretreatment working section are manually controlled, so that the interference of human factors is large, cane falling of the cane feeding tables is uneven, the falling fluctuation of a cane conveying machine is easily caused to be large, the inlet of a shredder is blocked or the load of the shredder is high, and the control effect of a nucleon balance system is affected.
Disclosure of Invention
In order to solve the problems, the invention provides a control system for a cane feeding table in a sugar refinery for squeezing pretreatment, which can realize automatic regulation and control of a driving motor, avoid interference of human factors and lead blanking to be balanced.
The invention provides a control system of a cane feeding table for press pretreatment of a sugar refinery, which comprises n cane feeding table feeding subsystems and cane conveying machines; the n sugarcane feeding subsystems comprise a first-stage conveying system and a second-stage conveying system, wherein the second-stage conveying systems comprise a first monitor for monitoring the rotation tooth number of a driving gear and a first laser radar for scanning the material sectional area on the second-stage conveying system; the sugarcane conveying machine is provided with (n-1) second laser radars for scanning the sectional area of the material; the second laser radar is arranged between two adjacent sugarcane feeding subsystems of the sugarcane feeding platform; the sugarcane conveying machine is also provided with a second monitor for monitoring the rotation tooth number of the driving gear of the sugarcane conveying machine.
Specifically, the first monitor and the second monitor are both encoders or photoelectric sensors.
The invention provides a control method of a control system of a cane feeding table for press pretreatment of a sugar refinery, which comprises the following steps: when n=1, k×l S *L*H S -(V 11 +V 12 +......+V 1X ) Not less than 0; k is more than 0 and less than or equal to 1; obtaining the maximum X value meeting the above formula and named X;
t＝[i/(60*v*p)]*X；
wherein V is 11 、V 12 、V 1X The calculation method of (2) is as follows:
V 11 ＝m*L*(h 111 +h 112 +......+h 11N )/N；
V 12 ＝m*L*(h 121 +h 122 +......+h 12N )/N；
V 1X ＝m*L*(h 1X1 +h 1X2 +......+h 1XN )/N；
the physical meaning of each parameter in the above formula is as follows:
k is a proportionality constant and is an artificial set value; considering that the target stacking height of the sugarcane conveying machine is not necessarily equal to the height of the sugarcane conveying machine, the proportionality constant k is set;
H S the height of the sugarcane conveying machine;
L S the width of the sugarcane conveying machine;
l is the width of a sugarcane falling port of the secondary conveying system;
t is the running time of a driving motor of a secondary conveying system of the feeding subsystem of the sugarcane feeding table in each inching mode, and the unit of t is s;
v is the rotation speed of a driving motor of the secondary conveying system, and the unit is r/min;
p is the number of teeth of a conveyor belt drive gear of the two-stage conveyor system;
i is the reduction ratio of the speed reducer of the secondary transmission system;
n is a set integer value, and the L is equally divided into N sections;
m is the advancing distance of the secondary conveyor belt with 1 tooth when the driving gear of the secondary conveyor system rotates;
V 11 the method comprises the steps that a driving gear of a secondary conveying system of a 1 st sugarcane feeding table feeding subsystem rotates a 1 st tooth to pass through a stacking volume of a first laser radar;
V 12 a driving gear of a secondary conveying system of the 1 st sugarcane feeding table feeding subsystem rotates a 2 nd tooth to pass through the stacking volume of the first laser radar;
V 1X the X tooth is rotated by a driving gear of a secondary conveying system of the 1 st sugarcane feeding table feeding subsystem to pass through the stacking volume of the first laser radar;
h 111、 h 112 、h 11N the height of the material on the N sections of secondary conveyor belts obtained in the 1 st scanning of the first laser radar of the 1 st sugarcane feeding subsystem is respectively;
h 121、 h 122 、h 12N the height of the material on the N sections of secondary conveyor belts obtained in the 2 nd scanning of the first laser radar of the 1 st sugarcane feeding subsystem is respectively;
h 1X1、 h 1X2 、h 1XN the heights of materials on the N sections of secondary conveyor belts obtained in the X scanning of the first laser radar of the 1 st sugarcane feeding subsystem are respectively.
Further, when n=1,
(1/U)*k*L S *L*H S -(V 11 +V 12 +......+V 1X ) Not less than 0; k is more than 0 and less than or equal to 1; u is more than or equal to 0.8 and less than or equal to 1.5; obtaining the maximum X value meeting the above formula and named X; wherein U is an adjusting coefficient between the feeding amount of the feeding subsystem of the sugarcane feeding table and the receiving amount of the sugarcane conveying machine;
t＝[i/(60*v*p)]*X。
further, t= [ i/(60×v×p)]*X 1 +Δt；
Wherein: -5.ltoreq.Δt.ltoreq.5; Δt is a compensation value and is a constant.
Preferably, -2.ltoreq.Deltat.ltoreq.2.
The invention provides a control method of a control system of a cane feeding table for press pretreatment of a sugar refinery, which comprises the following steps: when n is more than or equal to 2,
K 1 *k*L S *L*H S -(V 11 +V 12 +......+V 1X )≥0；0＜K 1 is less than or equal to 1; obtain the maximum X value satisfying the above formula and named X 1 ；t 1 ＝[i/(60*v*p)]*X 1 ；
[(K 1 +K 2 )*k*L S *L*H S -(Y 11 +Y 12 +......Y 1b )]-(V 21 +V 22 +......+V 2X )≥0；0＜K 2 Is less than or equal to 1; obtain the maximum X value satisfying the above formula and named X 2 ；
t 2 ＝[i/(60*v*p)]*X 2 ；
[(K 1 +K 2 +......+K n )*k*L S *L*H S -(Y (n-1)1 +Y (n-1)2 +......Y (n-1)b )]-(V n1 +V n2 +......+V nX )≥0；0＜K n Is less than or equal to 1; obtain the maximum X value satisfying the above formula and named X n ；
t n ＝[i/(60*v*p)]*X n ；
K 1 +K 2 +......+K n ≤1；
Wherein:
V 11 ＝m*L*(h 111 +h 112 +......+h 11N )/N；
V 12 ＝m*L*(h 121 +h 122 +......+h 12N )/N；
V 1X ＝m*L*(h 1X1 +h 1X2 +......+h 1XN )/N；
V 21 ＝m*L*(h 211 +h 212 +......+h 21N )/N；
V 22 ＝m*L*(h 221 +h 222 +......+h 22N )/N；
V 2X ＝m*L*(h 2X1 +h 2X2 +......+h 2XN )/N；
V n1 ＝m*L*(h n11 +h n12 +......+h n1N )/N；
V n2 ＝m*L*(h n21 +h n22 +......+h n2N )/N；
V nX ＝m*L*(h nX1 +h nX2 +......+h nXN )/N；
Y 11 ＝q*L S *(H 111 +H 112 +......+H 11d )/d；
Y 12 ＝q*L S *(H 121 +H 122 +......+H 12d )/d；
Y 1b ＝q*L S *(H 1b1 +H 1b2 +......+H 1bd )/d；
Y (n-1)1 ＝q*L S *(H (n-1)11 +H (n-1)12 +......+H (n-1)1d )/d；
Y (n-1)2 ＝q*L S *(H (n-1)21 +H (n-1)22 +......+H (n-1)2d )/d；
Y (n-1)b ＝q*L S *(H (n-1)b1 +H (n-1)b2 +......+H (n-1)bd )/d；
b＝N 2 -N 1 ；
the physical meaning of each parameter in the above formula is as follows:
K 1 、K 2 、K n the respective feeding amount of the n sugarcane feeding table feeding subsystems accounts for the proportion of the total feeding amount;
t 1 、t 2 、t n the running time of a driving motor of a secondary conveying system in the first, second and nth sugarcane feeding tables and feeding subsystems is clicked each time;
d is a set integer value, and L S Equally dividing into a d section;
q is the advancing distance of the chain plate of the sugarcane conveyer every 1 tooth of rotation of the driving gear of the sugarcane conveyer;
N 1 for the second monitorMonitoring the accumulated revolution of a driving gear when a certain point on the obtained sugarcane conveying machine runs to the starting point of a blanking port of one sugarcane feeding table;
N 2 the accumulated revolution of the driving gear is monitored by the second monitor when the point on the sugarcane conveying machine is operated to the end point of the blanking port of the sugarcane feeding table;
V 11 the method comprises the steps that a driving gear of a secondary conveying system of a 1 st sugarcane feeding table feeding subsystem rotates a 1 st tooth to pass through a stacking volume of a first laser radar;
V 12 a driving gear of a secondary conveying system of the 1 st sugarcane feeding table feeding subsystem rotates a 2 nd tooth to pass through the stacking volume of the first laser radar;
V 1X the X tooth is rotated by a driving gear of a secondary conveying system of the 1 st sugarcane feeding table feeding subsystem to pass through the stacking volume of the first laser radar;
h 111、 h 112 、h 11N the height of the material on the N sections of secondary conveyor belts obtained in the 1 st scanning of the first laser radar of the 1 st sugarcane feeding subsystem is respectively;
h 121、 h 122 、h 12N the height of the material on the N sections of secondary conveyor belts obtained in the 2 nd scanning of the first laser radar of the 1 st sugarcane feeding subsystem is respectively;
h 1X1、 h 1X2 、h 1XN the heights of materials on N sections of secondary conveyor belts obtained in X scanning of a first laser radar of a 1 st sugarcane feeding table feeding subsystem respectively;
V 21 the 1 st tooth is rotated by a driving gear of a secondary conveying system of a 2 nd sugarcane feeding table feeding subsystem to pass through the stacking volume of the first laser radar;
V 22 a driving gear of a secondary conveying system of the 2 nd sugarcane feeding table feeding subsystem rotates a 2 nd tooth to pass through the stacking volume of the first laser radar;
V 2X the X tooth is rotated by a driving gear of a secondary conveying system of a 2 nd sugarcane feeding table feeding subsystem to pass through the stacking volume of the first laser radar;
h 211、 h 212 、h 21N the height of the material on the N sections of secondary conveyor belts obtained in the 1 st scanning of the first laser radar of the 2 nd sugarcane feeding table feeding subsystem is respectively;
h 221、 h 222 、h 22N the height of the material on the N sections of secondary conveyor belts obtained in the 2 nd scanning of the first laser radar of the 2 nd sugarcane feeding table feeding subsystem respectively;
h 2X1、 h 2X2 、h 2XN the heights of materials on N sections of secondary conveyor belts obtained in the X scanning of the first laser radar of the 2 nd sugarcane feeding table feeding subsystem are respectively;
V n1 the 1 st tooth is rotated by a driving gear of a secondary conveying system of an nth sugarcane feeding table feeding subsystem to pass through the stacking volume of the first laser radar;
V n2 the driving gear of the secondary conveying system of the nth sugarcane feeding table feeding subsystem rotates the 2 nd tooth to pass through the stacking volume of the first laser radar;
V nX the method comprises the steps that an X tooth is rotated by a driving gear of a secondary conveying system of an nth sugarcane feeding table feeding subsystem to pass through a stacking volume of a first laser radar;
h n11 、h n12 、h n1N the height of the material on the N sections of secondary conveyor belts obtained in the 1 st scanning of the first laser radar of the nth sugarcane feeding table feeding subsystem is respectively;
h n21 、h n22 、h n2N the height of the material on the N sections of secondary conveyor belts obtained in the 2 nd scanning of the first laser radar of the nth sugarcane feeding table feeding subsystem is respectively;
h nX1 、h nX2 、h nXN the height of the material on the N sections of secondary conveyor belts obtained in the X scanning of the first laser radar of the nth sugarcane feeding table feeding subsystem is respectively;
Y 11 rotating a 1 st tooth for a driving gear of the sugarcane conveying machine to pass through the stacking volume of a 1 st second laser radar;
Y 12 rotating a 2 nd tooth for a driving gear of the sugarcane conveying machine to pass through the stacking volume of the 1 st second laser radar;
Y 1b rotating a b-th tooth for a driving gear of the sugarcane conveying machine to pass through the stacking volume of the 1 st second laser radar;
H 111 、H 112 、H 11d the heights of materials on the d-section secondary conveyor belt obtained in the 1 st scanning of the 1 st second laser radar of the sugarcane conveyor are respectively;
H 121 、H 122 、H 12d the heights of materials on the d-section secondary conveyor belt obtained in the 2 nd scanning of the 1 st second laser radar of the sugarcane conveyor are respectively;
H 1b1 、H 1b2 、H 1bd the heights of materials on the d-section secondary conveyor belt obtained in the b-th scanning of the 1 st second laser radar of the sugarcane conveyor are respectively;
Y (n-1)1 rotating a 1 st tooth of a driving gear of the sugarcane conveying machine to pass through the stacking volume of the (n-1) th second laser radar;
Y (n-1)2 rotating a 2 nd tooth of a driving gear of the sugarcane conveying machine to pass through the stacking volume of the (n-1) th second laser radar;
Y (n-1)b rotating a b-th tooth for a driving gear of the sugarcane conveying machine to pass through the stacking volume of the (n-1) -th second laser radar; h (n-1)11 、H (n-1)12 、H (n-1)1d The heights of materials on the d-section secondary conveyor belt obtained in the 1 st scanning of the (n-1) th second laser radar of the sugarcane conveyor are respectively;
H (n-1)21 、H (n-1)22 、H (n-1)2d the heights of materials on the d-section secondary conveyor belt obtained in the 2 nd scanning of the (n-1) th second laser radar of the sugarcane conveyor are respectively;
H (n-1)b1 、H (n-1)b2 、H (n-1)bd the heights of materials on the d-section secondary conveyor belt obtained in the b scanning of the (n-1) th second laser radar of the sugarcane conveyor are respectively.
Further, when n is not less than 2,
(1/U 1 )*K 1 *k*L S *L*H S -(V 11 +V 12 +......+V 1X )≥0；0＜K 1 ≤1；0.8≤U 1 less than or equal to 1.5; obtain the maximum X value satisfying the above formula and named X 1 ；
t 1 ＝[i/(60*v*p)]*X 1 ；
(1/U 2 )*[(K 1 +K 2 )*k*L S *L*H S -(Y 11 +Y 12 +......Y 1b )]-(V 21 +V 22 +......+V 2X )≥0；0＜K 2 ≤1；0.8≤U 2 Less than or equal to 1.5; obtain the maximum X value satisfying the above formula and named X 2 ；
t 2 ＝[i/(60*v*p)]*X 2 ；
(1/U n )*[(K 1 +K 2 +......+K n )*k*L S *L*H S -(Y (n-1)1 +Y (n-1)2 +......Y (n-1)b )]-(V n1 +V n2 +......+V nX )≥0；0＜K n ≤1；0.8≤U n Less than or equal to 1.5; obtain the maximum X value satisfying the above formula and named X n ；
t n ＝[i/(60*v*p)]*X n ；
K 1 +K 2 +......+K n ≤1；
Wherein U is 1、 U 2、 U n The adjusting coefficients between the feeding quantity of the feeding subsystem of the 1 st, 2 nd and n th sugarcane feeding tables and the receiving quantity of the sugarcane conveying machine are respectively adopted.
Further, t 1 ＝[i/(60*v*p)]*X 1 +Δt 1 ；
t 2 ＝[i/(60*v*p)]*X 1 +Δt 2 ；
t n ＝[i/(60*v*p)]*X 1 +Δt n ；
Wherein: -5.ltoreq.Deltat 1 ≤5；-5≤Δt 2 ≤5；-5≤Δt n ≤5；Δt 1 、Δt 2 、Δt n Are compensation values and are constant.
Preferably, -2.ltoreq.Δt 1 ≤2；-2≤Δt 2 ≤2；-2≤Δt n ≤2。
Preferably, K 1 ＝K 2 ＝......＝K n ＝1/n。
The invention has the following beneficial effects:
the invention establishes the control method of the electric operation time of the driving motor of the feeding subsystem of the sugarcane feeding table, realizes the automatic regulation and control of the driving motor, avoids the interference of human factors, ensures that the blanking is balanced, effectively stabilizes the operation load of the shredder and the stability of the whole squeezing system, and is beneficial to stabilizing the squeezing quantity.
Drawings
Fig. 1 is a schematic overall structure of embodiment 1.
In the figure: 1. a sugarcane feeding subsystem; 101. a primary transfer system; 102. a secondary transfer system; 103. a first monitor; 104. a first lidar; 2. a sugarcane conveying machine; 201. a second lidar; 202. and a second monitor.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
As shown in fig. 1, a control system of a cane feeding table for press pretreatment of a sugar refinery comprises n cane feeding table feeding subsystems 1 and cane conveying machines 2; the n sugarcane feeding subsystems 1 comprise a primary conveying system 101 and a secondary conveying system 102, wherein the secondary conveying system 102 comprises a first monitor 103 for monitoring the rotation tooth number of a driving gear and a first laser radar 104 for scanning the sectional area of a material on the secondary conveying system 102; the sugarcane conveyor 2 is provided with (n-1) second laser radars 201 for scanning the sectional area of the material; the second laser radar 201 is arranged between two adjacent sugarcane feeding subsystems 1; the sugarcane conveyor 2 is also provided with a second monitor 202 for monitoring the rotation number of teeth of the driving gear of the sugarcane conveyor 2.
Specifically, the first monitor 103 and the second monitor 202 are both encoders or photoelectric sensors.
According to the control system for the cane feeding table in the squeezing pretreatment of the sugar refinery, the control method for the electric operation time of the driving motor of the cane feeding table feeding subsystem 1 is established, the automatic regulation and control of the driving motor are realized, the interference of human factors is avoided, the blanking is balanced, the service life of the shredder and the stability of the whole squeezing system are effectively improved, and the squeezing quantity is improved.
Example 2
A control method of a control system of a cane feeding table for squeezing pretreatment of a sugar refinery comprises the following steps: when n=1, k×l S *L*H S -(V 11 +V 12 +......+V 1X ) Not less than 0; k is more than 0 and less than or equal to 1; obtaining the maximum X value meeting the above formula and named X;
t＝[i/(60*v*p)]*X；
wherein V is 11 、V 12 、V 1X The calculation method of (2) is as follows:
V 11 ＝m*L*(h 111 +h 112 +......+h 11N )/N；
V 12 ＝m*L*(h 121 +h 122 +......+h 12N )/N；
V 1X ＝m*L*(h 1X1 +h 1X2 +......+h 1XN )/N；
the physical meaning of each parameter in the above formula is as follows:
k is a proportionality constant and is an artificial set value;
H S the height of the sugarcane conveying machine 2;
L S the width of the sugarcane conveying machine 2;
l is the width of the sugarcane dropping port of the secondary conveying system 102;
t is the running time of a driving motor of the secondary conveying system 102 of the sugarcane feeding table feeding subsystem 1 after each inching, and the unit is s;
v is the rotation speed of a driving motor of the secondary conveying system 102, and the unit is r/min;
p is the number of teeth of the belt drive gears of the two-stage transmission system 102;
i is the reduction ratio of the decelerator of the secondary transmission system 102;
n is a set integer value, and the L is equally divided into N sections;
m is the distance that the secondary conveyor belt advances every 1 tooth of the drive gear of the secondary conveyor system 102 rotates;
V 11 the drive gear of the secondary conveyor system 102 of the 1 st sugarcane feeding station feeding subsystem 1 rotates the 1 st tooth through the stockpile volume of the first lidar 104;
V 12 the drive gear of the secondary conveyor system 102 of the 1 st cane feeding subsystem 1 rotates the 2 nd tooth past the stacker volume of the first lidar 104;
V 1X the drive gear of the secondary conveyor system 102 of the 1 st cane feeding station feeding subsystem 1 rotates the X-th tooth past the stacker volume of the first lidar 104;
h 111、 h 112 、h 11N the heights of materials on N sections of secondary conveyor belts obtained in the 1 st scanning of the first laser radar 104 of the 1 st sugarcane feeding subsystem 1 are respectively;
h 121、 h 122 、h 12N the heights of materials on N sections of secondary conveyor belts obtained during the 2 nd scanning of the first laser radar 104 of the 1 st sugarcane feeding subsystem 1 respectively;
h 1X1、 h 1X2 、h 1XN the heights of materials on the N sections of secondary conveyor belts obtained in the X scanning of the first laser radar 104 of the 1 st sugarcane feeding table feeding subsystem 1 are respectively.
Specifically, when n=1,
(1/U)*k*L S *L*H S -(V 11 +V 12 +......+V 1X ) Not less than 0; k is more than 0 and less than or equal to 1; u is more than or equal to 0.8 and less than or equal to 1.5; obtaining the maximum X value meeting the above formula and named X; wherein U is an adjusting coefficient between the feeding amount of the feeding subsystem 1 of the sugarcane feeding table and the receiving amount of the sugarcane conveying machine 2;
t＝[i/(60*v*p)]*X。
specifically, t= [ i/(60×v×p)]*X 1 +Δt；
Wherein: -5.ltoreq.Δt.ltoreq.5; Δt is a compensation value and is a constant.
Preferably, -2.ltoreq.Deltat.ltoreq.2.
Example 3
A control method of a control system of a cane feeding table for squeezing pretreatment of a sugar refinery comprises the following steps: when n is more than or equal to 2,
K 1 *k*L S *L*H S -(V 11 +V 12 +......+V 1X )≥0；0＜K 1 is less than or equal to 1; obtain the maximum X value satisfying the above formula and named X 1 ；t 1 ＝[i/(60*v*p)]*X 1 ；
[(K 1 +K 2 )*k*L S *L*H S -(Y 11 +Y 12 +......Y 1b )]-(V 21 +V 22 +......+V 2X )≥0；0＜K 2 Is less than or equal to 1; obtain the maximum X value satisfying the above formula and named X 2 ；
t 2 ＝[i/(60*v*p)]*X 2 ；
[(K 1 +K 2 +......+K n )*k*L S *L*H S -(Y (n-1)1 +Y (n-1)2 +......Y (n-1)b )]-(V n1 +V n2 +......+V nX )≥0；0＜K n Is less than or equal to 1; obtain the maximum X value satisfying the above formula and named X n ；
t n ＝[i/(60*v*p)]*X n ；
K 1 +K 2 +......+K n ≤1；
Wherein:
V 11 ＝m*L*(h 111 +h 112 +......+h 11N )/N；
V 12 ＝m*L*(h 121 +h 122 +......+h 12N )/N；
V 1X ＝m*L*(h 1X1 +h 1X2 +......+h 1XN )/N；
V 21 ＝m*L*(h 211 +h 212 +......+h 21N )/N；
V 22 ＝m*L*(h 221 +h 222 +......+h 22N )/N；
V 2X ＝m*L*(h 2X1 +h 2X2 +......+h 2XN )/N；
V n1 ＝m*L*(h n11 +h n12 +......+h n1N )/N；
V n2 ＝m*L*(h n21 +h n22 +......+h n2N )/N；
V nX ＝m*L*(h nX1 +h nX2 +......+h nXN )/N；
Y 11 ＝q*L S *(H 111 +H 112 +......+H 11d )/d；
Y 12 ＝q*L S *(H 121 +H 122 +......+H 12d )/d；
Y 1b ＝q*L S *(H 1b1 +H 1b2 +......+H 1bd )/d；
Y (n-1)1 ＝q*L S *(H (n-1)11 +H (n-1)12 +......+H (n-1)1d )/d；
Y (n-1)2 ＝q*L S *(H (n-1)21 +H (n-1)22 +......+H (n-1)2d )/d；
Y (n-1)b ＝q*L S *(H (n-1)b1 +H (n-1)b2 +......+H (n-1)bd )/d；
b＝N 2 -N 1 ；
the physical meaning of each parameter in the above formula is as follows:
K 1 、K 2 、K n the respective feeding amount of the n sugarcane feeding table feeding subsystems 1 accounts for the proportion of the total feeding amount;
t 1 、t 2 、t n the running time of the driving motor of the secondary conveying system 102 in the first, second and nth sugarcane feeding tables feeding subsystem 1 is clicked each time;
d is a set integer value, and L S Equally dividing into a d section;
q is the advancing distance of the chain plate of the sugarcane conveying machine when the driving gear of the sugarcane conveying machine 2 rotates by 1 tooth;
N 1 the accumulated revolution of the driving gear when a certain point on the sugarcane conveying machine is monitored by the second monitor 202 and runs to the starting point of the blanking port of one of the sugarcane feeding tables;
N 2 the accumulated revolution of the driving gear is monitored by the second monitor 202 when the point on the sugarcane conveying machine is operated to the end point of the blanking port of the sugarcane feeding table;
V 11 the drive gear of the secondary conveyor system 102 of the 1 st sugarcane feeding station feeding subsystem 1 rotates the 1 st tooth through the stockpile volume of the first lidar 104;
V 12 the drive gear of the secondary conveyor system 102 of the 1 st cane feeding subsystem 1 rotates the 2 nd tooth past the stacker volume of the first lidar 104;
V 1X the drive gear of the secondary conveyor system 102 of the 1 st cane feeding station feeding subsystem 1 rotates the X-th tooth past the stacker volume of the first lidar 104;
h 111、 h 112 、h 11N the heights of materials on N sections of secondary conveyor belts obtained in the 1 st scanning of the first laser radar 104 of the 1 st sugarcane feeding subsystem 1 are respectively;
h 121、 h 122 、h 12N the heights of materials on N sections of secondary conveyor belts obtained during the 2 nd scanning of the first laser radar 104 of the 1 st sugarcane feeding subsystem 1 respectively;
h 1X1、 h 1X2 、h 1XN the heights of materials on N sections of secondary conveyor belts obtained in the X scanning of the first laser radar 104 of the 1 st sugarcane feeding subsystem 1 respectively;
V 21 the drive gear of the secondary conveyor system 102 of the 2 nd cane feeding stage feed subsystem 1 rotates the 1 st tooth past the stacker volume of the first lidar 104;
V 22 the drive gear of the secondary conveyor system 102 of the 2 nd sugarcane feeding station feeding subsystem 1 rotates the 2 nd tooth past the stacker volume of the first lidar 104;
V 2X the drive gear of the secondary conveyor 102 of the 2 nd cane feeding stage feeding subsystem 1 rotates the X-th tooth past the first laserUp to 104 stacking volume;
h 211、 h 212 、h 21N the heights of materials on N sections of secondary conveyor belts obtained in the 1 st scanning of the first laser radar 104 of the 2 nd sugarcane feeding table feeding subsystem 1 are respectively;
h 221、 h 222 、h 22N the heights of materials on N sections of secondary conveyor belts obtained in the 2 nd scanning of the first laser radar 104 of the 2 nd sugarcane feeding table feeding subsystem 1 are respectively;
h 2X1、 h 2X2 、h 2XN the heights of materials on N sections of secondary conveyor belts obtained in the X scanning of the first laser radar 104 of the 2 nd sugarcane feeding table feeding subsystem 1 are respectively;
V n1 the drive gear of the secondary conveyor system 102 of the nth feeding station feeding subsystem 1 rotates the 1 st tooth through the stacker volume of the first lidar 104;
V n2 the drive gear of the secondary conveyor system 102 of the nth feeding station feeding subsystem 1 rotates the 2 nd tooth past the stacker volume of the first lidar 104;
V nX the drive gear of the secondary conveyor system 102 of the nth feeding station feeding subsystem 1 rotates the xth tooth past the stacker volume of the first lidar 104;
h n11 、h n12 、h n1N the heights of materials on N sections of secondary conveyor belts obtained in the 1 st scanning of the first laser radar 104 of the nth sugarcane feeding table feeding subsystem 1 are respectively;
h n21 、h n22 、h n2N the heights of materials on N sections of secondary conveyor belts obtained during the 2 nd scanning of the first laser radar 104 of the nth sugarcane feeding table feeding subsystem 1 are respectively;
h nX1 、h nX2 、h nXN the heights of materials on N sections of secondary conveyor belts obtained in the X scanning of the first laser radar 104 of the nth sugarcane feeding table feeding subsystem 1 are respectively;
Y 11 rotating the 1 st tooth for the driving gear of the sugarcane conveyor 2 to pass through the stacking volume of the 1 st second laser radar 104;
Y 12 rotating the 2 nd tooth for the driving gear of the sugarcane conveyor 2 to pass through the stacking volume of the 1 st second laser radar 104;
Y 1b rotating a b-th tooth for a driving gear of the sugarcane conveyor 2 to pass through the stacking volume of the 1 st second laser radar 104;
H 111 、H 112 、H 11d the heights of materials on the d-section secondary conveyor belt obtained in the 1 st scanning of the 1 st second laser radar 201 of the sugarcane conveyor 2 are respectively;
H 121 、H 122 、H 12d the heights of materials on the d-section secondary conveyor belt obtained in the 2 nd scanning of the 1 st second laser radar 201 of the sugarcane conveyor 2 are respectively;
H 1b1 、H 1b2 、H 1bd the heights of materials on the d-section secondary conveyor belt obtained in the b-th scanning of the 1 st second laser radar 201 of the sugarcane conveyor 2 are respectively;
Y (n-1)1 rotating the 1 st tooth for the driving gear of the sugarcane conveyor 2 to pass through the (n-1) th stacking volume of the second laser radar 104; y is Y (n-1)2 Rotating the 2 nd tooth for the driving gear of the sugarcane conveyor 2 to pass through the (n-1) th stacking volume of the second laser radar 104; y is Y (n-1)b Rotating the b-th tooth for the driving gear of the sugarcane conveyor 2 to pass through the (n-1) -th second laser radar 104; h (n-1)11 、H (n-1)12 、H (n-1)1d The heights of materials on the d-section secondary conveyor belt obtained in the 1 st scanning of the (n-1) th second laser radar 201 of the sugarcane conveyor 2 are respectively;
H (n-1)21 、H (n-1)22 、H (n-1)2d the heights of materials on the d-section secondary conveyor belt obtained in the 2 nd scanning of the (n-1) th second laser radar 201 of the sugarcane conveyor 2 are respectively;
H (n-1)b1 、H (n-1)b2 、H (n-1)bd the heights of materials on the d-section secondary conveyor belt obtained in the (n-1) th scanning of the second laser radar 201 of the sugarcane conveyor 2 are respectively.
Specifically, when n is more than or equal to 2,
(1/U 1 )*K 1 *k*L S *L*H S -(V 11 +V 12 +......+V 1X )≥0；0＜K 1 ≤1；0.8≤U 1 less than or equal to 1.5; obtain the maximum X value satisfying the above formula and named X 1 ；
t 1 ＝[i/(60*v*p)]*X 1 ；
(1/U 2 )*[(K 1 +K 2 )*k*L S *L*H S -(Y 11 +Y 12 +......Y 1b )]-(V 21 +V 22 +......+V 2X )≥0；0＜K 2 ≤1；0.8≤U 2 Less than or equal to 1.5; obtain the maximum X value satisfying the above formula and named X 2 ；
t 2 ＝[i/(60*v*p)]*X 2 ；
(1/U n )*[(K 1 +K 2 +......+K n )*k*L S *L*H S -(Y (n-1)1 +Y (n-1)2 +......Y (n-1)b )]-(V n1 +V n2 +......+V nX )≥0；0＜K n ≤1；0.8≤U n Less than or equal to 1.5; obtain the maximum X value satisfying the above formula and named X n ；
t n ＝[i/(60*v*p)]*X n ；
K 1 +K 2 +......+K n ≤1；
Wherein U is 1、 U 2、 U n The adjusting coefficients of the feeding quantity of the feeding subsystem 1 of the 1 st sugarcane feeding table, the feeding quantity of the feeding subsystem 2 of the n-th sugarcane feeding table and the receiving quantity of the sugarcane conveying machine 2 are respectively adopted.
Specifically, t 1 ＝[i/(60*v*p)]*X 1 +Δt 1 ；
t 2 ＝[i/(60*v*p)]*X 1 +Δt 2 ；
t n ＝[i/(60*v*p)]*X 1 +Δt n ；
Wherein: -5.ltoreq.Deltat 1 ≤5；-5≤Δt 2 ≤5；-5≤Δt n ≤5；Δt 1 、Δt 2 、Δt n Are compensation values and are constant.
Preferably, -2.ltoreq.Δt 1 ≤2；-2≤Δt 2 ≤2；-2≤Δt n ≤2。
Preferably, K 1 ＝K 2 ＝......＝K n ＝1/n。
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A control method of a control system of a cane feeding table for squeezing pretreatment of a sugar refinery is characterized by comprising the following steps: the control system comprises n sugarcane feeding subsystems (1) and sugarcane conveying machines (2); the n sugarcane feeding subsystems (1) comprise a primary conveying system (101) and a secondary conveying system (102), and are characterized in that: the two-stage conveying systems (102) comprise a first monitor (103) for monitoring the number of teeth of the driving gear and a first laser radar (104) for scanning the sectional area of the material on the two-stage conveying systems (102); the sugarcane conveying machine (2) is provided with (n-1) second laser radars (201) for scanning the sectional area of the material; the second laser radar (201) is arranged between two adjacent sugarcane feeding subsystems (1); the sugarcane conveying machine (2) is also provided with a second monitor (202) for monitoring the rotation tooth number of the driving gear of the sugarcane conveying machine (2);
when n=1, the control method thereof is as follows:
k*L S *L*H S -(V 11 +V 12 +......+V 1X ) Not less than 0; k is more than 0 and less than or equal to 1; obtaining the maximum X value meeting the above formula and named X; t= [ i/(60 x v x p)]*X；
Wherein V is 11 、V 12 、V 1X The calculation method of (2) is as follows:
V 11 ＝m*L*(h 111 +h 112 +......+h 11N )/N；
V 12 ＝m*L*(h 121 +h 122 +......+h 12N )/N；
V 1X ＝m*L*(h 1X1 +h 1X2 +......+h 1XN )/N；
the physical meaning of each parameter in the above formula is as follows:
k is a proportionality constant and is an artificial set value;
H S is the height of the sugarcane conveying machine (2);
L S is the width of the sugarcane conveying machine (2);
l is the width of a sugarcane falling port of the secondary conveying system (102);
t is the running time of a driving motor of a secondary conveying system (102) of the sugarcane feeding table feeding subsystem (1) in each inching, and the unit is s;
v is the rotation speed of a driving motor of the secondary conveying system (102), and the unit is r/min;
p is the number of teeth of the belt drive gear of the two-stage transmission system (102);
i is the reduction ratio of the reducer of the secondary conveyor system (102);
n is a set integer value, and the L is equally divided into N sections;
m is the distance that the secondary conveyor belt advances every 1 tooth of the driving gear of the secondary conveyor system (102) rotates;
V 11 a driving gear of a secondary conveying system (102) of the 1 st sugarcane feeding subsystem (1) rotates a 1 st tooth to pass through a stacking volume of a first laser radar (104);
V 12 a driving gear of a secondary conveying system (102) of the 1 st sugarcane feeding subsystem (1) rotates a 2 nd tooth to pass through a stacking volume of a first laser radar (104);
V 1X the method comprises the steps that an X tooth is rotated by a driving gear of a secondary conveying system (102) of a 1 st sugarcane feeding subsystem (1) to pass through a stacking volume of a first laser radar (104);
h 111、 h 112 、h 11N the height of the material on the N sections of the secondary conveyor belt is obtained during the 1 st scanning of the first laser radar (104) of the 1 st sugarcane feeding subsystem (1);
h 121、 h 122 、h 12N the heights of materials on the N sections of secondary conveyor belts obtained during the 2 nd scanning of the first laser radar (104) of the 1 st sugarcane feeding subsystem (1) are respectively;
h 1X1、 h 1X2 、h 1XN the heights of materials on the N sections of secondary conveyor belts are obtained during X scanning of the first laser radar (104) of the 1 st sugarcane feeding subsystem (1).
2. The control method of the sugar refinery press pretreatment sugarcane feeding table control system according to claim 1, wherein: when n=1, the number of the n-type switches,
(1/U)*k*L S *L*H S -(V 11 +V 12 +......+V 1X ) Not less than 0; k is more than 0 and less than or equal to 1; u is more than or equal to 0.8 and less than or equal to 1.5; obtaining the maximum X value meeting the above formula and named X; wherein U is an adjusting coefficient between the feeding amount of the feeding subsystem (1) of the sugarcane feeding table and the receiving amount of the sugarcane conveying machine (2);
t＝[i/(60*v*p)]*X。
3. the control method of the sugar refinery press pretreatment sugarcane feeding table control system according to claim 2, wherein: t= [ i/(60X v p) ]x1 + Δt;
wherein: -5.ltoreq.Δt.ltoreq.5; Δt is a compensation value and is a constant.
4. The control method of the sugar refinery press pretreatment sugarcane feeding table control system according to claim 3, wherein: -2.ltoreq.Deltat.ltoreq.2.
5. The control method of the sugar refinery press pretreatment sugarcane feeding table control system according to claim 1, wherein: when n is more than or equal to 2, the control method is as follows:
K 1 *k*L S *L*H S -(V 11 +V 12 +......+V 1X )≥0；0＜K 1 is less than or equal to 1; obtain the maximum X value satisfying the above formula and named X 1 ；t 1 ＝[i/(60*v*p)]*X 1 ；
[(K 1 +K 2 )*k*L S *L*H S -(Y 11 +Y 12 +......Y 1b )]-(V 21 +V 22 +......+V 2X )≥0；0＜K 2 Is less than or equal to 1; obtaining the productTo the maximum X value satisfying the above formula and designated X 2 ；
t 2 ＝[i/(60*v*p)]*X 2 ；
[(K 1 +K 2 +......+K n )*k*L S *L*H S -(Y (n-1)1 +Y (n-1)2 +......Y (n-1)b )]-(V n1 +V n2 +......+V nX )≥0；0＜K n Is less than or equal to 1; obtain the maximum X value satisfying the above formula and named X n ；
t n ＝[i/(60*v*p)]*X n ；
K 1 +K 2 +......+K n ≤1；
Wherein:
V 11 ＝m*L*(h 111 +h 112 +......+h 11N )/N；
V 12 ＝m*L*(h 121 +h 122 +......+h 12N )/N；
V 1X ＝m*L*(h 1X1 +h 1X2 +......+h 1XN )/N；
V 21 ＝m*L*(h 211 +h 212 +......+h 21N )/N；
V 22 ＝m*L*(h 221 +h 222 +......+h 22N )/N；
V 2X ＝m*L*(h 2X1 +h 2X2 +......+h 2XN )/N；
V n1 ＝m*L*(h n11 +h n12 +......+h n1N )/N；
V n2 ＝m*L*(h n21 +h n22 +......+h n2N )/N；
V nX ＝m*L*(h nX1 +h nX2 +......+h nXN )/N；
Y 11 ＝q*L S *(H 111 +H 112 +......+H 11d )/d；
Y 12 ＝q*L S *(H 121 +H 122 +......+H 12d )/d；
Y 1b ＝q*L S *(H 1b1 +H 1b2 +......+H 1bd )/d；
Y (n-1)1 ＝q*L S *(H (n-1)11 +H (n-1)12 +......+H (n-1)1d )/d；
Y (n-1)2 ＝q*L S *(H (n-1)21 +H (n-1)22 +......+H (n-1)2d )/d；
Y (n-1)b ＝q*L S *(H (n-1)b1 +H (n-1)b2 +......+H (n-1)bd )/d；
b＝N 2 -N 1 ；
the physical meaning of each parameter in the above formula is as follows:
K 1 、K 2 、K n the respective feeding amount of the n sugarcane feeding table feeding subsystems (1) accounts for the proportion of the total feeding amount;
t 1 、t 2 、t n the running time of a driving motor of the secondary conveying system (102) in the first, second and nth sugarcane feeding table feeding subsystems (1) is clicked each time;
d is a set integer value, and L S Equally dividing into a d section;
q is the advancing distance of the chain plate of the sugarcane conveyer (2) when the driving gear of the sugarcane conveyer rotates by 1 tooth;
N 1 the accumulated revolution of the driving gear is monitored by a second monitor (202) when a certain point on the sugarcane conveying machine runs to the starting point of a blanking port of one of the sugarcane feeding tables;
N 2 the accumulated revolution of the driving gear is monitored by a second monitor (202) when the point on the sugarcane conveying machine is operated to the end point of the blanking port of the sugarcane feeding table;
V 11 a driving gear of a secondary conveying system (102) of the 1 st sugarcane feeding subsystem (1) rotates a 1 st tooth to pass through a stacking volume of a first laser radar (104);
V 12 a driving gear of a secondary conveying system (102) of the 1 st sugarcane feeding subsystem (1) rotates a 2 nd tooth to pass through a stacking volume of a first laser radar (104);
V 1X two-stage transfer for 1 st sugarcane feeding station feeding subsystem (1)A drive gear of the system (102) rotates an X-th tooth through a stockpile volume of the first lidar (104);
h 111、 h 112 、h 11N the height of the material on the N sections of the secondary conveyor belt is obtained during the 1 st scanning of the first laser radar (104) of the 1 st sugarcane feeding subsystem (1);
h 121、 h 122 、h 12N the heights of materials on the N sections of secondary conveyor belts obtained during the 2 nd scanning of the first laser radar (104) of the 1 st sugarcane feeding subsystem (1) are respectively;
h 1X1、 h 1X2 、h 1XN the heights of materials on N sections of secondary conveyor belts obtained in the X scanning of a first laser radar (104) of a 1 st sugarcane feeding subsystem (1) are respectively;
V 21 a driving gear of a secondary conveying system (102) of the 2 nd sugarcane feeding platform feeding subsystem (1) rotates a 1 st tooth to pass through a stacking volume of a first laser radar (104);
V 22 a driving gear of a secondary conveying system (102) of the 2 nd sugarcane feeding platform feeding subsystem (1) rotates a 2 nd tooth to pass through a stacking volume of the first laser radar (104);
V 2X the X-th tooth is rotated by a driving gear of a secondary conveying system (102) of a 2 nd sugarcane feeding table feeding subsystem (1) to pass through the stacking volume of a first laser radar (104);
h 211、 h 212 、h 21N the heights of materials on N sections of secondary conveyor belts obtained in the 1 st scanning of a first laser radar (104) of a 2 nd sugarcane feeding table feeding subsystem (1) respectively;
h 221、 h 222 、h 22N the heights of materials on the N sections of secondary conveyor belts obtained during the 2 nd scanning of the first laser radar (104) of the 2 nd sugarcane feeding subsystem (1) respectively;
h 2X1、 h 2X2 、h 2XN the heights of materials on N sections of secondary conveyor belts obtained in the X scanning of a first laser radar (104) of a 2 nd sugarcane feeding subsystem (1) respectively;
V n1 feeding subsystem for nth sugarcane feeding stationThe driving gear of the secondary conveying system (102) of the system (1) rotates the 1 st tooth to pass through the stacking volume of the first laser radar (104);
V n2 a driving gear of a secondary conveying system (102) of the nth sugarcane feeding platform feeding subsystem (1) rotates a 2 nd tooth to pass through a stacking volume of the first laser radar (104);
V nX the method comprises the steps that an X tooth is rotated by a driving gear of a secondary conveying system (102) of an nth sugarcane feeding table feeding subsystem (1) to pass through a stacking volume of a first laser radar (104);
h n11 、h n12 、h n1N the height of the material on the N sections of the secondary conveyor belt obtained during the 1 st scanning of the first laser radar (104) of the nth sugarcane feeding subsystem (1) is respectively;
h n21 、h n22 、h n2N the height of the material on the N sections of secondary conveyor belts obtained during the 2 nd scanning of the first laser radar (104) of the nth sugarcane feeding subsystem (1) respectively;
h nX1 、h nX2 、h nXN the heights of materials on the N sections of secondary conveyor belts obtained in the X scanning of the first laser radar (104) of the nth sugarcane feeding subsystem (1) are respectively;
Y 11 rotating a 1 st tooth for passing through the stacking volume of a 1 st second laser radar (104) for a driving gear of a sugarcane conveying machine (2); y is Y 12 Rotating a 2 nd tooth for a driving gear of the sugarcane conveying machine (2) to pass through a stacking volume of a 1 st second laser radar (104); y is Y 1b Rotating a b-th tooth for a driving gear of the sugarcane conveying machine (2) to pass through the stacking volume of the 1 st second laser radar (104); h 111 、H 112 、H 11d The heights of materials on the d-section secondary conveyor belt obtained in the 1 st scanning of the 1 st second laser radar (201) of the sugarcane conveyor (2) are respectively;
H 121 、H 122 、H 12d the heights of materials on the d-section secondary conveyor belt obtained in the 2 nd scanning of the 1 st second laser radar (201) of the sugarcane conveyor (2) are respectively;
H 1b1 、H 1b2 、H 1bd the 1 st second laser radar (201) of the sugarcane conveyor (2) scans for the b timeThe height of the material on the d-section secondary conveyor belt is obtained;
Y (n-1)1 rotating a 1 st tooth of a driving gear of the sugarcane conveying machine (2) to pass through the stacking volume of the (n-1) th second laser radar (104);
Y (n-1)2 rotating a 2 nd tooth of a driving gear of the sugarcane conveying machine (2) to pass through the piling volume of the (n-1) th second laser radar (104);
Y (n-1)b rotating a b-th tooth for a driving gear of the sugarcane conveying machine (2) to pass through the stacking volume of the (n-1) -th second laser radar (104);
H (n-1)11 、H (n-1)12 、H (n-1)1d the heights of materials on the d-section secondary conveyor belt obtained in the 1 st scanning of the (n-1) th second laser radar (201) of the sugarcane conveyor (2) are respectively;
H (n-1)21 、H (n-1)22 、H (n-1)2d the heights of materials on the d-section secondary conveyor belt obtained in the 2 nd scanning of the (n-1) th second laser radar (201) of the sugarcane conveyor (2) are respectively;
H (n-1)b1 、H (n-1)b2 、H (n-1)bd the heights of materials on the d-section secondary conveyor belt obtained in the (n-1) th scanning of the second laser radar (201) of the sugarcane conveyor (2) are respectively.
6. The control method of the sugar refinery press pretreatment sugarcane feeding table control system according to claim 5, wherein: when n is more than or equal to 2,
(1/U 1 )*K 1 *k*L S *L*H S -(V 11 +V 12 +......+V 1X )≥0；0＜K 1 ≤1；0.8≤U 1 less than or equal to 1.5; obtain the maximum X value satisfying the above formula and named X 1 ；
t 1 ＝[i/(60*v*p)]*X 1 ；
(1/U 2 )*[(K 1 +K 2 )*k*L S *L*H S -(Y 11 +Y 12 +......Y 1b )]-(V 21 +V 22 +......+V 2X )≥0；0＜K 2 ≤1；0.8≤U 2 Less than or equal to 1.5; obtain the maximum X satisfying the above formulaThe value is named X 2 ；
t 2 ＝[i/(60*v*p)]*X 2 ；
(1/U n )*[(K 1 +K 2 +......+K n )*k*L S *L*H S -(Y (n-1)1 +Y (n-1)2 +......Y (n-1)b )]-(V n1 +V n2 +......+V nX )≥0；0＜K n ≤1；0.8≤U n Less than or equal to 1.5; obtain the maximum X value satisfying the above formula and named X n ；
t n ＝[i/(60*v*p)]*X n ；
K 1 +K 2 +......+K n ≤1；
Wherein U is 1、 U 2、 U n The adjusting coefficients are respectively the feeding quantity of the feeding subsystem (1) of the 1 st sugarcane feeding table, the feeding quantity of the feeding subsystem of the 2 nd sugarcane feeding table and the receiving quantity of the sugarcane conveying machine (2).
7. The control method of the sugar refinery press pretreatment sugarcane feeding table control system according to claim 6, wherein: t is t 1 ＝[i/(60*v*p)]*X 1 +Δt 1 ；
t 2 ＝[i/(60*v*p)]*X 1 +Δt 2 ；
t n ＝[i/(60*v*p)]*X 1 +Δt n ；
Wherein: -5.ltoreq.Deltat 1 ≤5；-5≤Δt 2 ≤5；-5≤Δt n ≤5；Δt 1 、Δt 2 、Δt n Are compensation values and are constant.
8. The control method of the sugar refinery press pretreatment sugarcane feeding table control system according to claim 7, wherein: -2 is less than or equal to deltat 1 ≤2；-2≤Δt 2 ≤2；-2≤Δt n ≤2。
9. The control method of the sugar refinery press pretreatment sugarcane feeding table control system according to any one of claims 5 to 8, wherein: k (K) 1 ＝K 2 ＝......＝K n ＝1/n。
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| CN115216564A (en) | 2022-10-21 |
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