CN108639885A - A kind of elevator load experiment electromagnet-friction combination broach two close cycles coupling control system and method - Google Patents
A kind of elevator load experiment electromagnet-friction combination broach two close cycles coupling control system and method Download PDFInfo
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- CN108639885A CN108639885A CN201810283525.9A CN201810283525A CN108639885A CN 108639885 A CN108639885 A CN 108639885A CN 201810283525 A CN201810283525 A CN 201810283525A CN 108639885 A CN108639885 A CN 108639885A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
- B66B5/00—Applications of checking, fault-correcting, or safety devices in elevators
- B66B5/0006—Monitoring devices or performance analysers
- B66B5/0037—Performance analysers
Abstract
A kind of elevator load experiment electromagnet-friction combination broach two close cycles coupling control system of present invention offer and method, including device for measuring force, friction-loaded device, electromagnetic loading device and controller.Device for measuring force includes pulling force sensor and torque sensor；Controller includes Chip Microcomputer A, microcontroller B, wireless module and human-computer interaction part etc..Chip Microcomputer A mounted on lift car bottom detects the real load that steel wire rope is born by pulling force sensor, and to detecting signal analysis and processing, and pulling force signal is sent by microcontroller B of the wireless module on lift car pedestal；Microcontroller B carries out closed loop, open loop, closed loop coupling control to friction-loaded device and electromagnetic loading device respectively according to pulling force sensor and the torque sensor detected value of detection friction-loaded.By loading opened loop controls and the coupling control of steel wire rope combination broach closed loop to friction-loaded closed-loop control and double electromagnetism, with meet loading capacity dynamic in elevator load experiment, quickly, accurately control requirement.
Description
Technical field
The invention belongs to elevator load technical field of research, and in particular to a kind of two close cycles coupling control system and method,
Electromagnet-friction combination broach two close cycles coupling control system and method are tested more particularly to a kind of elevator load, it is ensured that load is fast
Speed is stablized and accurately, meets the requirement for being applied to load on lift car.
Background technology
As China's economic maintains sustained and rapid growth, the pace of construction of urbanization is constantly accelerated, and real estate flourishes,
Unprecedented opportunities are provided to the development of elevator industry.By the end of the year 2014, China's elevator total amount up to 3,600,000, and
With annual 20% or so speed increase, elevator ownership, annual output, annual increment is the first in the world.To ensure every electricity
Ladder can reliable, the accurate, operation stablized, elevator maintenance company periodically will be maintained and test, i.e., have daily big
The elevator that the new peace of amount turns is tested, and most important one is exactly load test.Elevator load experiment has following several：
(1) traction capacity is tested：Containing stop by force under coefficient of balance experiment, unloaded uplink experiment, static test, 125% rated load
Experiment.(2) safety test：Containing limiter of speed-safety tongs action test.(3) operational reliability is tested：Speed of service test, operation
Experiment, overload test etc..(4) overall performance detection confirms：There are inspection, the leveling accuracy of the locking of layer door and electric safety device
Emergency set functional check etc. when detection, the measurement of noise, the inspection of warning device and power interruptions.
Traditional load mode has following several in load test：It is loaded using standard test weight, this load mode expends
A large amount of manpower and materials, and inefficiency.A kind of elevator meausring apparatus new detecting method (patent based on pliers type lever mechanism
Application number：201410110460.X) pliers type lever mechanism is utilized to apply clamping force to cage bottom, to realize in car bottom
Portion applies simulation load.But the method is static load, is only applicable to load when elevator is static.A kind of elevator load test device
And its test method (number of patent application：201510543829.0) hydraulic mandril accurately controlled from top to bottom by hydraulic controller
Simulant elevator borne load is applied force to lift car, obtains the load data of elevator, is suitable for overload protection device and tries
It tests, coefficient of balance is tested and static traction test.But what it applied is static load, can not achieve and is loaded in elevator motion.
In conclusion traditional load mode expends a large amount of manpowers, to testing crew, there are security risks, cannot be in elevator
Apply constant load in movement.The serious efficiency for constraining elevator and examining, safeguarding.Therefore, it is badly in need of developing a set of precision height, property
Can be good while being set convenient for the experiment of the novel loading of detection for carrying, improves the checkability of elevator, and to elevator can safely,
Stable operation has great meaning.
In legacy systems Collaborative Control research (one text of multi-machine system Collaborative Control research), adopted at first is parallel
Control mode is not in contact between that is, each controlled device, is individually controlled.Therefore when one of control object by
When interference, other objects can not adjust accordingly, and total tune control performance is vulnerable to interference, and precision of coordinated is not
It is high.Currently, this control mode is mainly used in the production practices not high to control accuracy requirement.
Tu Hongbin is in the more motor VF of winding article of no-station pole canopy sensor coordinate one text of control to unreeling motor, feeding electricity
Machine involves motor and the Collaborative Control of winding motor uses master-slave control method.Feeding motor is main control, output speed
Degree determines the speed of service of other motors, to realize the Collaborative Control of entire multi-machine system.But occur when from motor
When disturbance, main motor can not but adjust, to which the concertedness of entire control system can be made to be affected.
Elevator load experiment is replaced to carry and is set, control method has a major impact its performance quality, and the present invention proposes one
Kind elevator load experiment electromagnet-friction combination broach two close cycles coupling control system and method.
Invention content
The present invention is for traditional elevator load load mode labor intensive and there are security risk problems, is tried in elevator load
On the basis of electrical verification magnetic friction combination is for support method and system, proposes that a kind of elevator load experiment electromagnet-friction combination broach is double and close
Loop coupling control system and method pass through the closed-loop control of friction-loaded device, electromagnetic loading device opened loop control and steel wire rope group
The comprehensive function of load closed loop coupling control is closed, adjustment, which is replaced to carry, sets total output loads, and control system is made to have preferable stablize
Property, rapidity and accuracy, meet the requirement for being applied to load on lift car, convenient for detection, and improve device work can
By property, the checkability of elevator is improved, and improves the safety and stability of elevator.
The technical scheme is that：A kind of elevator load experiment electromagnet-friction combination broach two close cycles coupling control system
System, including device for measuring force, friction-loaded device, electromagnetic loading device and controller realize load dynamic in elevator load experiment
Stability contorting；
The device for measuring force includes pulling force sensor and torque sensor；The controller includes Chip Microcomputer A and microcontroller
B；
The pulling force sensor is mounted on one end that steel wire rope is connect with lift car bottom, and the Chip Microcomputer A is mounted on
Cage bottom, the torque sensor, microcontroller B, friction-loaded device and electromagnetic loading device, which are mounted on to replace to carry, sets pedestal
On；Microcontroller B respectively with Chip Microcomputer A, torque sensor, the friction control of friction-loaded device and electromagnetic loading device
Electromagnetic controller connects；
The pulling force sensor detects the real load that steel wire rope is born and is transmitted to Chip Microcomputer A, the Chip Microcomputer A docking
The load signal analyzing processing of receipts, and send pulling force signal to microcontroller B；Pulling force of the microcontroller B according to pulling force sensor
Signal and the torque sensor detected value for detecting friction-loaded, carry out friction-loaded closed-loop control, electromagnetism load opened loop control and
The coupling control of steel wire rope combination broach closed loop；The microcontroller B passes through given anticipated load value of thrust and pulling force sensor institute
Steel wire rope upper pulling force measured directly is compared, if electromagnetism load controls electromagnetic controller tune without departing from rated value
The output torque of whole electromagnetic loading device；, whereas if electromagnetism load off-rating, then readjust torque divider, it is right
Friction-loaded pinpoints closed-loop control again, then loads opened loop control to electromagnetism.
In said program, the electromagnetic loading device includes electromagnetic loading device one and electromagnetic loading device two, the electricity
Magnetic loading device one and electromagnetic loading device two are magnetic powder brake.
In said program, the friction-loaded device includes friction plate and frictional disk.
In said program, the controller further includes wireless sending module and wireless receiving module；
The wireless sending module is mounted on lift car bottom；The wireless receiving module, which is mounted on to replace to carry, sets pedestal
On；Chip Microcomputer A sends pulling force signal by microcontroller B of the wireless module on lift car pedestal, and microcontroller B is by wirelessly connecing
Module is received to receive.
In said program, the controller further includes human-computer interaction part；
The human-computer interaction part is touch screen；Touch screen is for showing detection and control result.
A kind of control method for testing electromagnet-friction combination broach two close cycles coupling control system according to the elevator load,
Include the following steps：
The Chip Microcomputer A mounted on lift car bottom detects the practical load that steel wire rope is born by pulling force sensor
Lotus, and to detecting signal analysis and processing, and the microcontroller B on lift car pedestal sends pulling force signal；
The microcontroller B carries out friction and adds according to pulling force sensor and the torque sensor detected value of detection friction-loaded
Carry closed-loop control, double electromagnetism load opened loop control and the coupling control of steel wire rope combination broach closed loop；
The microcontroller B passes through given anticipated load value of thrust and pulling force sensor institute steel wire rope pull-up measured directly
Power is compared, if electromagnetism load controls the output of electromagnetic controller adjustment electromagnetic loading device without departing from rated value
Torque；, whereas if electromagnetism load off-rating, then readjust torque divider, closed loop is pinpointed again to friction-loaded
Control, then opened loop control is loaded to electromagnetism, it realizes to for carrying the dynamic control for setting full payload.
In said program, the friction-loaded closed control circuit includes friction control, friction-loaded device and torque
Sensor；The microcontroller B compared with one output valve of torque divider, show that torque distributes according to torque sensor measured value
Difference e 1 between the friction stopping device torque that one distributed torque of device and torque sensor are detected, described in e1 controls
Friction control adjusts friction-loaded device output torque value.
In said program, double electromagnetism load opened loop controls include power-torque converter two, torque in microcontroller B
Distributor two, power-torque converter three and torque divider three and electromagnetic controller one, electromagnetic controller two, electromagnetism load
Device one and electromagnetic loading device two；
The microcontroller B compared with specified load, obtains specified load and draws according to the pulling force signal of pulling force sensor
Force snesor detects the difference e between lineoutofservice signal pull value, and passes through power-torque converter two and torque point according to e values size
Orchestration two controls the load output that electromagnetic controller one adjusts electromagnetic loading device one, passes through power-torque converter three and torque
Distributor three controls the load output that electromagnetic controller two adjusts electromagnetic loading device two.
Compared with prior art, the beneficial effects of the invention are as follows：The Chip Microcomputer A that the present invention is mounted on lift car bottom is logical
The real load that bears of pulling force sensor detection steel wire rope is crossed, and to detecting signal analysis and processing, by wireless module to elevator
Microcontroller B on car pedestal sends pulling force signal；Microcontroller B is according to pulling force sensor and the torque sensing of detection friction-loaded
Device detected value respectively closes combined load on friction-loaded device and electromagnetic loading device progress closed loop, open loop and steel wire rope
Loop coupling controls.Invention is based on power-torque converter and torque divider, passes through friction-loaded closed-loop control and steel
The double circle controling mode of cord load two close cycles coupling control, improves the stability, rapidity and accuracy of control system,
And then ensure to replace to carry to set normal work, improve its working performance and reliability.
Description of the drawings
Fig. 1 is a kind of elevator load experiment electromagnet-friction combination load two close cycles coupling control system totality frame of the present invention
Figure.
Fig. 2 is elevator load experiment electromagnet-friction combination load two close cycles coupling control structure figure.
Fig. 3 is friction-loaded closed loop controlling structure figure.
Fig. 4 is steel wire rope combination broach two close cycles coupling control structure figure.
Specific implementation mode
Invention is further described in detail with reference to the accompanying drawings and detailed description, but protection scope of the present invention
It is not limited to this.
Fig. 1 show the one of elevator load experiment electromagnet-friction combination broach two close cycles coupling control system of the present invention
Kind embodiment, the elevator load experiment electromagnet-friction combination broach two close cycles coupling control system include device for measuring force, rub
Loading device, electromagnetic loading device and four part of controller composition are wiped, realizes load Dynamic Stability Control in elevator load experiment.
The device for measuring force includes pulling force sensor and torque sensor.The controller include Chip Microcomputer A, microcontroller B,
Sensor detection circuit, Loading Control circuit, wireless module and human-computer interaction part (touch screen) etc..The elevator load experiment
Electromagnet-friction combination broach two close cycles coupling control system, installation site include lift car bottom and set pedestal for carrying.Institute
It states pulling force sensor and is mounted on one end that steel wire rope is connect with cage bottom, Chip Microcomputer A, wireless sending module are mounted on car bottom
Portion.Torque sensor, microcontroller B, wireless receiving module, rope withdrawing apparatus, friction-loaded device and the electromagnetic loading device
Mounted on setting on pedestal for carrying.Microcontroller B respectively with Chip Microcomputer A, the friction control of torque sensor, friction-loaded device
And the electromagnetic controller connection of electromagnetic loading device.
Chip Microcomputer A mounted on lift car bottom detects the real load that steel wire rope is born by pulling force sensor, and
To detecting signal analysis and processing, by wireless module to sending pulling force signal for carrying the microcontroller B set on pedestal；Microcontroller B
Wireless receiving module receives, and according to pulling force sensor and the torque sensor detected value of detection friction-loaded, respectively to friction
Loading device carries out closed-loop control, electromagnetic loading device opened loop control and the coupling control of steel wire rope combination broach closed loop.Simultaneously
Detection and the visualization of control result are realized by touch screen.
The electromagnetic loading device is magnetic powder brake, and realizes that its output loads controls by tension controller；It is described
Friction-loaded device includes friction plate and frictional disk, and load adjustment is carried out by servo motor.
The pulling force sensor selects ring type pulling force sensor/3T.The Chip Microcomputer A uses model with microcontroller B
The microprocessor of STM32F429.The wireless sending module is with wireless receiving module selection E61-DTU-50 models without line number
Conduct electricity platform.The torque sensor selects the dynamic torque sensor of model SSM-Q513, range 0-5000N.m.The magnetic powder
Brake selects single shaft engine base formula magnetic powder brake of model FZ100.J/Y, torque range 50N.m.The friction plate uses
Mondeo ceramics anter, the frictional disk use the Mondeo front brake disk of disk diameter 300mm.The servo motor uses Delta B2
The motor of series, power 1kw, rotating speed 2000r/min, nominal torque 4.8N.m.
Realize that the touch screen realizes testing result visualization by touch screen in the human-computer interaction part.The touch screen
Select TFT LCD function modules.
As shown in Fig. 2, a kind of testing electromagnet-friction combination broach two close cycles coupling control system according to the elevator load
Control method, include the following steps：
The Chip Microcomputer A mounted on lift car bottom detects the practical load that steel wire rope is born by pulling force sensor
Lotus, and to detecting signal analysis and processing, and the microcontroller B on lift car pedestal sends pulling force signal；
The microcontroller B carries out friction and adds according to pulling force sensor and the torque sensor detected value of detection friction-loaded
Carry closed-loop control, double electromagnetism load opened loop control and the coupling control of steel wire rope combination broach closed loop；
The microcontroller B passes through given anticipated load value of thrust and pulling force sensor institute steel wire rope pull-up measured directly
Power is compared, if electromagnetism load controls the output of electromagnetic controller adjustment electromagnetic loading device without departing from rated value
Torque；, whereas if electromagnetism load off-rating, then readjust torque divider, closed loop is pinpointed again to friction-loaded
Control, then opened loop control is loaded to electromagnetism, it realizes to for carrying the dynamic control for setting full payload.
The method to friction-loaded closed-loop control and double electromagnetism by loading opened loop control and its steel wire rope combination broach
Closed loop coupling control, with meet elevator load experiment in loading capacity dynamic, quickly, accurately control requirement.E1 is torque point in Fig. 2
Difference between the friction stopping device torque that one distributed torque of orchestration and torque sensor are detected is adjusted using e1 as foundation
It saves friction control and adjusts friction stopping device output torque, realize friction-loaded closed-loop control.E indicates specified load and pulling force
Sensor detects the difference between lineoutofservice signal pull value, and according to e value sizes, dynamic control electromagnetic controller one and Electromagnetic Control
Device two, and then the load output of electromagnetic loading device one and electromagnetic loading device two is adjusted, realize torque-force transducer and steel wire
Combination broach closed loop of restricting coupling control.
As shown in figure 3, the friction-loaded closed-loop control includes friction control, friction-loaded device and torque sensing
Device.The friction-loaded closed-loop control, microcontroller B is according to torque sensor measured value compared with one output valve of torque divider
Compared with obtaining the difference between the friction stopping device torque that one distributed torque of torque divider and torque sensor are detected
E1, the difference e1 according to the two controls the friction control, and then adjusts friction-loaded device output torque value.
Double electromagnetism load opened loop controls include power-torque converter two, torque divider two, power-torque converter
Three, torque divider three, electromagnetic controller one, electromagnetic controller two, electromagnetic loading device one, electromagnetic loading device two.It is described
Power-torque converter two, torque divider two, power-torque converter three and torque divider three, be soft in microcontroller B
Part programmed algorithm realizes that electromagnetic controller one and electromagnetic controller two by microcontroller B output controls, and then adjust electromagnetism and add
Carry the output loads torque for setting one and electromagnetic loading device two.The microcontroller B according to the pulling force signal of pulling force sensor with
Specified load compares, and obtains the difference e between specified load and pulling force sensor detection lineoutofservice signal pull value, and according to e values
Size controls the load that electromagnetic controller one adjusts electromagnetic loading device one by power-torque converter two and torque divider two
Output controls the load that electromagnetic controller two adjusts electromagnetic loading device two by power-torque converter three and torque divider three
Lotus exports.
As shown in figure 4, the steel wire rope combination broach two close cycles coupling control, including pulling force sensor, power-torque sensing
The parts such as device, double electromagnetism load opened loop control, friction-loaded closed-loop control.
The steel wire rope combination broach closed loop coupling control, the anticipated load value of thrust given by touch screen are passed with pulling force
Sensor institute steel wire rope upper pulling force measured directly is compared, if electromagnetism load without departing from rated value, controls electromagnetism control
Device one processed, electromagnetic controller two, the further output torque for adjusting electromagnetic loading device one and electromagnetic loading device two；Instead
It, if electromagnetism load off-rating, readjusts torque divider, then pinpoint closed loop again to friction-loaded first
Control finally loads opened loop control to electromagnetism again, realizes to for carrying the dynamic control for setting full payload.
Embodiment one
In the case where elevator load test requirements document is 1 ton of load condition, load loading procedure is to pass through steel wire when elevator rises
Rope band movable reel rotates, and reel drives friction-loaded device and electromagnetic loading device work connected to it, wherein friction-loaded
Device provides most of load, while being compensated into Mobile state with electromagnetic loading device two using electromagnetic loading device one.According to
Lower formula, calculates drum speed：
υ=ω r
Wherein, υ is elevator rated speed, is 1.5m/s；ω is reel angular speed (rad/s)；R is reel radius, is
0.15m；N is drum speed (r/min).It is computed, drum speed n=95.54r/min.
According to following formula, and then calculate reel actual torque：
M=mgr
Wherein, m is load (kg)；G is acceleration of gravity, is 9.81m/s2；R is reel radius, is 0.15m；M is torque
(N·m).It is computed, is required in the load of elevator load test load as under 1 ton of load condition, reel actual torque is
1471.50N·m。
On the other hand, calutron magnetic powder brake has preferably stable output characteristics in torque 30N.m, therefore
Calutron load distributed controll is in 30N.m.Friction-loaded device precision is higher, and use close-loop control mode, have compared with
In high precision, consider, set load for carrying and be distributed as：The torque of friction-loaded device is 1450.50N.m, electromagnetism load dress
The torque for setting one is 21N.m, and the torque of electromagnetic loading device two is 0N.m.
Embodiment two
Difference lies in elevator load test load is 1.25 tons to the present embodiment two with embodiment one.
In the case where elevator load test requirements document is 1.25 tons of load conditions, according to the above computational methods, reel actual torque is
1839.37N·m.It sets load for carrying and is distributed as：The torque of friction-loaded device is 1800.37N.m, electromagnetic loading device one
Torque be 20N.m, the torque of electromagnetic loading device two is 19N.m.
It should be appreciated that although this specification describes according to various embodiments, not each embodiment only includes one
A independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should will say
As a whole, the technical solutions in the various embodiments may also be suitably combined for bright book, and forming those skilled in the art can be with
The other embodiment of understanding.
The series of detailed descriptions listed above is illustrated only for possible embodiments of the invention,
They are all without departing from equivalent embodiment made by technical spirit of the present invention or change not to limit the scope of the invention
It should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of elevator load tests electromagnet-friction combination broach two close cycles coupling control system, which is characterized in that including dynamometry
Device, friction-loaded device, electromagnetic loading device and controller；
The device for measuring force includes pulling force sensor and torque sensor；The controller includes Chip Microcomputer A and microcontroller B；
The pulling force sensor is mounted on one end that steel wire rope is connect with lift car bottom, and the Chip Microcomputer A is mounted on car
Bottom, the torque sensor, microcontroller B, friction-loaded device and electromagnetic loading device are mounted on to replace to carry and set on pedestal；It is single
Piece machine B respectively with Chip Microcomputer A, the electromagnetism of torque sensor, the friction control of friction-loaded device and electromagnetic loading device
Controller connects；
The pulling force sensor detects the real load that steel wire rope is born and is transmitted to Chip Microcomputer A, and the Chip Microcomputer A is to reception
Load signal analyzing processing, and send pulling force signal to microcontroller B；Pulling force signals of the microcontroller B according to pulling force sensor
And the torque sensor detected value of detection friction-loaded, carry out friction-loaded closed-loop control, electromagnetism load opened loop control and steel wire
Combination broach closed loop of restricting coupling control；The microcontroller B is direct by given anticipated load value of thrust and pulling force sensor institute
The steel wire rope upper pulling force of measurement is compared, if electromagnetism load controls electromagnetic controller adjustment electricity without departing from rated value
The output torque of magnetic loading device；, whereas if electromagnetism load off-rating, then readjust torque divider, to friction
Load pinpoints closed-loop control again, then loads opened loop control to electromagnetism.
2. elevator load tests electromagnet-friction combination broach two close cycles coupling control system, feature according to claim 1
It is, the electromagnetic loading device includes electromagnetic loading device one and electromagnetic loading device two, one He of the electromagnetic loading device
Electromagnetic loading device two is magnetic powder brake.
3. elevator load tests electromagnet-friction combination broach two close cycles coupling control system, feature according to claim 1
It is, the friction-loaded device includes friction plate and frictional disk.
4. elevator load tests electromagnet-friction combination broach two close cycles coupling control system, feature according to claim 1
It is, the controller further includes wireless sending module and wireless receiving module；
The wireless sending module is mounted on lift car bottom；The wireless receiving module is mounted on to replace to carry and set on pedestal；
Chip Microcomputer A sends pulling force signal by microcontroller B of the wireless module on lift car pedestal, and microcontroller B passes through wireless receiving
Module receives.
5. elevator load tests electromagnet-friction combination broach two close cycles coupling control system, feature according to claim 1
It is, the controller further includes human-computer interaction part；
The human-computer interaction part is touch screen；Touch screen is for showing detection and control result.
6. a kind of according to elevator load experiment electromagnet-friction combination broach two close cycles coupling control described in claim 1-5 any one
The control method of system processed, which is characterized in that include the following steps：
The Chip Microcomputer A mounted on lift car bottom detects the real load that steel wire rope is born by pulling force sensor, and
To detecting signal analysis and processing, and the microcontroller B on lift car pedestal sends pulling force signal；
The microcontroller B carries out friction-loaded and closes according to pulling force sensor and the torque sensor detected value of detection friction-loaded
Ring control, double electromagnetism load opened loop control and the coupling control of steel wire rope combination broach closed loop；
The microcontroller B by given anticipated load value of thrust and pulling force sensor institute steel wire rope upper pulling force measured directly into
Row compares, if electromagnetism load controls the output torque of electromagnetic controller adjustment electromagnetic loading device without departing from rated value；
, whereas if electromagnetism load off-rating, then readjust torque divider, closed-loop control is pinpointed again to friction-loaded,
Opened loop control is loaded to electromagnetism again, is realized to for carrying the dynamic control for setting full payload.
7. the controlling party of elevator load experiment electromagnet-friction combination broach two close cycles coupling control system according to claim 6
Method, which is characterized in that the friction-loaded closed control circuit includes friction control, friction-loaded device and torque sensing
Device；The microcontroller B compared with one output valve of torque divider, obtains torque divider one according to torque sensor measured value
Difference e 1 between the friction stopping device torque that distributed torque and torque sensor are detected controls the friction according to e1
Controller adjusts friction-loaded device output torque value.
8. the controlling party of elevator load experiment electromagnet-friction combination broach two close cycles coupling control system according to claim 6
Method, which is characterized in that double electromagnetism load opened loop controls include power-torque converter two, torque divider two, power-torque
Converter three and torque divider three and electromagnetic controller one, electromagnetic controller two, electromagnetic loading device one and electromagnetism load
Device two；
The microcontroller B compared with specified load, show that specified load is passed with pulling force according to the pulling force signal of pulling force sensor
Sensor detects the difference e between lineoutofservice signal pull value, and passes through power-torque converter two and torque divider according to e values size
Two control electromagnetic controllers one adjust the load output of electromagnetic loading device one, are distributed by power-torque converter three and torque
Device three controls the load output that electromagnetic controller two adjusts electromagnetic loading device two.
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| CN201810283525.9A CN108639885B (en) | 2018-04-02 | 2018-04-02 | A kind of elevator load test electromagnet-friction combination broach two close cycles coupling control system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855896A (en) * | 2019-01-22 | 2019-06-07 | 江苏大学 | A kind of elevator load test platform and method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696541A (en) * | 2004-05-14 | 2005-11-16 | 通用汽车公司 | Diagnostic method for a torque control of an electrically variable transmission |
| CN107445003A (en) * | 2017-08-01 | 2017-12-08 | 江苏省特种设备安全监督检验研究院 | Elevator load test combinations replace loading system and test method |
-
2018
- 2018-04-02 CN CN201810283525.9A patent/CN108639885B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1696541A (en) * | 2004-05-14 | 2005-11-16 | 通用汽车公司 | Diagnostic method for a torque control of an electrically variable transmission |
| CN107445003A (en) * | 2017-08-01 | 2017-12-08 | 江苏省特种设备安全监督检验研究院 | Elevator load test combinations replace loading system and test method |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109855896A (en) * | 2019-01-22 | 2019-06-07 | 江苏大学 | A kind of elevator load test platform and method |
| CN109855896B (en) * | 2019-01-22 | 2021-08-03 | 江苏大学 | Loading device test platform and method for elevator load test |
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| CN108639885B (en) | 2019-08-27 |
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