CN205911736U - Motor control system - Google Patents
Motor control system Download PDFInfo
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- CN205911736U CN205911736U CN201620756142.5U CN201620756142U CN205911736U CN 205911736 U CN205911736 U CN 205911736U CN 201620756142 U CN201620756142 U CN 201620756142U CN 205911736 U CN205911736 U CN 205911736U
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Abstract
The utility model provides a motor control system, include: including a motor, an end cap, a controller, and a cover plate. Acquire motor monitor signal and desired signal and carry out the comparison, if inconsistent, then export the torque monitoring module of safe actuating signal, to motor output control signal when receiving safe actuating signal to ensure the motor control module that motor torque output is normal. The torque security monitoring is carried out after normal in the real -time self -checking of system, acquire motor monitor signal and desired signal respectively and carry out the comparison, if inconsistent, judge then that motor torque output is unusual, turn -off the motor to realize safety protection, if unanimous, judge then that motor torque output is normal. The utility model discloses on original motor control system's basis, increased a torque monitoring module, monitor motor actual output's torque through the torque monitoring module to proofread with the expectation torque, if judge that torque output is unusual, in time take protection operations such as shut off motor, take place in order to avoid dangerous, improve the security performance greatly.
Description
Technical field
The utility model is related to Motor Control Field, more particularly to a kind of electric machine control system.
Background technology
Motor (electric machinery is commonly called as " motor ") refer to according to the law of electromagnetic induction realize electric energy conversion or
A kind of calutron of transmission.Its Main Function is to produce driving torque, as the power source of electrical appliance or various machinery.
Electric machine controller (motor controller) by the active of integrated circuit come controlled motor according to setting
Direction, speed, angle and response time be operated.Electric machine controller makes motor application scope more extensive, output effect
Rate is higher, and noise is less, is the core apparatus maintaining motor normal work.
The scheme of electric machine controller is mainly made up of controller and driver at present.Wherein, controller passes through rotor angle
Sensor, current sensor and voltage sampling circuit are acquired to signals such as motor rotor position, electric current and voltages, according to the phase
Hope torque command, calculate corresponding voltage control signal, then by driver, signal amplified, and export motor with
Motor runs, output expectation torque, realizes motor control.
But the fault due to rotor angle sensor, current sensor, voltage sampling circuit, driver etc., may lead
Send a telegraph machine controller output abnormality, current electric machine controller cannot be monitored to the torque of motor reality output, in torque
Also cannot discover and carry out protection operation during output abnormality in time；In the industrial production, torque output abnormality may lead to equipment
Damage and operating personnel safety problem；In automobile control, torque output abnormality may because of the generation resulting in an automobile accident out of control,
There is very big potential safety hazard.
Therefore, how to discover the output abnormality of motor in time it is ensured that motor torque output has normally become art technology
One of personnel's problem demanding prompt solution.
Utility model content
The shortcoming of prior art in view of the above, the purpose of this utility model is to provide a kind of electric machine control system,
The torque of motor reality output cannot be monitored for solving electric machine controller in prior art, in torque output abnormality
Also cannot discover in time and carry out to protect the problem of operation.
For achieving the above object and other related purposes, the utility model provides a kind of electric machine control system, described motor
Control system at least includes:
Motor, for producing driving torque, as power source；
Torque monitoring module, is connected with described motor and entire car controller, obtains monitoring signals and the desired signal of motor,
Monitoring signals are compared with desired signal, if monitoring signals are inconsistent with desired signal, output safety actuating signal；
Motor control module, is connected with described motor and described torque monitoring module, believes when receiving described safe action
Number when to described motor output control signal, close described motor, normal to guarantee motor torque output.
Preferably, described torque monitoring module includes: monitoring unit, expectation unit, decision package and safe action unit；
Described monitoring unit and described motor connection, measure to the electrical characteristic of described motor, monitoring motor work
State, to obtain monitoring signals；
Described expectation unit is connected with described entire car controller, obtains motor work order from described entire car controller, and
Motor work order is converted into motor control signal, to obtain desired signal；
Described decision package is connected with described monitoring unit and described expectation unit, by the motor of described monitoring unit output
Working condition is compared with the motor control signal of described expectation unit output, if inconsistent, exports a trigger；
Described safe action unit is connected with described decision package, receives described trigger to trigger described safe action
Unit output safety actuating signal.
It is highly preferred that described monitoring unit passes through current sensor and voltage sampling circuit and described motor connection, obtain
The three-phase current of described motor and three-phase voltage.
It is highly preferred that described expectation unit is also connected with accelerator pedal, brake and steering wheel, acceleration letter is obtained with this
Number, brake signal and direction signal.
It is highly preferred that described torque monitoring module also includes the data outputting unit being connected with described decision package, by institute
The output signal stating decision package exports described entire car controller and described motor control module.
It is highly preferred that described torque monitoring module also includes the self-test unit being connected with described decision package, in real time to institute
The software and hardware stating torque monitoring module is detected.
Preferably, described motor control module is also connected with accelerator pedal, brake and steering wheel, according to signal for faster,
Brake signal and the output of the direction signal described motor torque of control.
As described above, electric machine control system of the present utility model, have the advantages that
Electric machine control system of the present utility model, on the basis of original electric machine control system, increased a torque monitoring
Module, is monitored to the torque of motor reality output by torque monitoring module, and is proofreaded with expectation torque, if differing
Cause, then judge torque output abnormality, take the protection operation such as pass power machine in time, to avoid dangerous generation, greatly improve safety
Performance.
Brief description
Fig. 1 is shown as electric machine control system schematic diagram of the present utility model.
Component label instructions
1 electric machine control system
11 motors
12 torque monitoring modules
121 monitoring unit
122 expectation units
123 decision packages
124 safe action units
125 self-test unit
126 data outputting unit
127 general proximity switches
128 current sensors
129 voltage sampling circuits
13 motor control modules
2 entire car controllers
3 accelerator pedals
4 brakes
5 steering wheels
6 igniters
7 high-tension batteries
S1～s3 step.
Specific embodiment
Below by way of specific instantiation, embodiment of the present utility model is described, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages of the present utility model and effect easily.The utility model can also be by addition
Different specific embodiments is carried out or applies, and the every details in this specification based on different viewpoints and can also be answered
With carrying out various modifications and changes under without departing from spirit of the present utility model.
Refer to Fig. 1.It should be noted that the diagram provided in the present embodiment only illustrates that this practicality is new in a schematic way
The basic conception of type, only shows the assembly relevant with the utility model rather than then according to package count during actual enforcement in schema
Mesh, shape and size are drawn, and during its actual enforcement, the kenel of each assembly, quantity and ratio can be a kind of random change, and its
Assembly layout kenel is likely to increasingly complex.
As shown in figure 1, the utility model provides a kind of electric machine control system 1, described electric machine control system 1 at least includes:
Motor 11, torque monitoring module 12 (isu), motor control module 13 (mcu).In the present embodiment, described torque monitoring module
12 and described motor control module 13 by chip microcontroller.
As shown in figure 1, described motor 11 is used for producing driving torque, as power source.
Specifically, as shown in figure 1, in the present embodiment, described motor 11 is three-phase synchronous motor, with automobile tire even
Connect, as automobile power.
As shown in figure 1, described torque monitoring module 12 is connected with described motor 11 and entire car controller 2 (vcu), obtain electricity
The monitoring signals of machine and desired signal, monitoring signals are compared with desired signal, if monitoring signals are differed with desired signal
Cause, then output safety actuating signal.
Specifically, as shown in figure 1, described torque monitoring module 12 includes: monitoring unit 121, expectation unit 122, decision-making
Unit 123, safe action unit 124, self-test unit 125, data outputting unit 126 and general proximity switch 127.
More specifically, described monitoring unit 121 is connected with described motor 11, the electrical characteristic of described motor 11 is surveyed
Amount, monitors described motor 11 working condition, to obtain monitoring signals.In the present embodiment, described monitoring unit 121 passes through electric current
Sensor 128 and voltage sampling circuit 129 connect to the three-phase wire of described motor 11, obtain the permissible of described motor 11 with this
The electrical characteristic directly accessing, including but not limited to three-phase current, three-phase voltage.Described monitoring unit 121 is according to described motor
11 electrical characteristic is calculated the working condition of described motor 11, including but not limited to torque estimation, angular frequency and exchange work(
The information such as rate, and thus obtain the monitoring signals of described motor 11 torque.
More specifically, described expectation unit 122 is connected with described entire car controller 2 by can interface, from described car load control
Obtain motor work order in device 2 processed, detect the validity of described motor work order, and described motor work order is converted
For motor control signal, to obtain desired signal.In the present embodiment, described expectation unit 122 also with accelerator pedal 3, braking
Device 4 and steering wheel 5 connect, and obtain signal for faster, brake signal and direction signal with this, detect described signal for faster, described stop
Car signal and the validity of described direction signal, and described signal for faster, described brake signal and described direction signal are converted
For motor control signal, with multi-faceted acquisition desired signal, and then improve the integrality of data.
More specifically, described decision package 123 and described monitoring unit 121, described expectation unit 122 and described self-inspection list
Unit 125 connection, the motor control that the electric machine operation state that described monitoring unit 121 is exported is exported with described expectation unit 122
Signal is compared, if inconsistent, exports a trigger.Described self-test unit 125 is in real time to described torque monitoring module 12
Software and hardware detected, to guarantee described torque monitoring module 12 normal work.Described decision package 123 is according to monitoring signals
Carry out the constraints inspection on upper strata, including but not limited to drive control, torque outbound course and torque width with desired signal
The inspection that value controls, if the desired signal of the signal real-time monitoring is disagreed, output safety action triggers signal.
More specifically, described safe action unit 124 is connected with described decision package 123, receive described trigger with
Trigger described safe action unit 124 output safety actuating signal.When described safe action unit 124 receives described triggering
After signal, output safety actuating signal, including soft switching signal and hard cut-off signals.In the present embodiment, when motor torque is defeated
Go out and extremely then realize soft switching in allowed band, slowly adjustment motor torque exports to reach normal range (NR)；Work as motor torque
Output abnormality exceeds then realizes hard shutoff in allowed band, adjustment motor torque exports to reach normal range (NR) immediately.
More specifically, the input of described data outputting unit 126 is connected with described decision package 123, output end is respectively
It is connected with described entire car controller 2 and described motor control module 13.Described data outputting unit 126 is by described decision package
123 decision informations made, including the comparative result of monitoring signals and desired signal, feed back to described entire car controller 2, so that
Described entire car controller 2 obtains the control signal of described motor 11 in time, grasps the working condition of described motor 11 in time.Described
The decision information that described decision package 123 is made by data outputting unit 126 by general proximity switch 127 with can message and
Spi form is sent to described motor control module 13.
As shown in figure 1, described motor control module 13 is connected with described motor 11 and described torque monitoring module 12, when connecing
Receive to described motor 11 output control signal during described safe action signal, close described motor 11, to guarantee motor torque
Output is normal.
Specifically, as shown in figure 1, described motor control module 13 includes three group transistors, as switch, described to control
The three-phase current of motor 11 or three-phase voltage, and then control the torque of described motor 11.Described motor control module 13 also will be from
The signal of described data outputting unit 126 output is verified with the cut-off signals exporting from described safe action unit 124, with
Examine and close the action of power machine and whether execute it is ensured that security.Described motor control module 13 also with described accelerator pedal 3, institute
State brake 4 and described steering wheel 5 connects, the torque of described motor 11 is controlled according to signal for faster, brake signal and direction signal
Output.As shown in figure 1, described high-tension battery 7 is powered for described motor control module 13.
As shown in figure 1, described torque monitoring module 12 and described motor control module 13 are connected with described igniter 6,
In the present embodiment, described igniter 6 is automobile ignition switch.Automobile starting state is obtained by described igniter 6, with
Activate described electric machine control system 1.
The operation principle of described electric machine control system 1 is as follows:
Step s1: system carries out real-time self-inspection to internal software and hardware, if all normal, execution torque security monitoring, instead
It, send alarm.
Specifically, as shown in figure 1, described igniter 6 is in when preheating shelves or work shelves, described electric machine control system 1
It is waken up.Described self-test unit 125 detects to the soft and hardware of described torque monitoring module 12 in real time, to guarantee described turning
Monitoring of torque module 12 normal work, if all normal, execution torque security monitoring, conversely, send alarm with reparing event
Barrier.
Step s2: obtain monitoring signals and the desired signal of motor respectively, monitoring signals are compared with desired signal.
Specifically, as shown in figure 1, automobile starting, described motor control module 13 is according to described accelerator pedal 3, described system
The signal for faster of dynamic device 4 and described steering wheel 5 output, brake signal and direction signal adjust and control the torque of described motor 11
Output.
Described monitoring unit 121 passes through described current sensor 128 and described voltage sampling circuit 129 obtains described motor
11 electrical characteristic that can directly access, including but not limited to three-phase current, three-phase voltage；And the electricity according to described motor 11
Gas property calculation obtains the working condition of described motor 11, the including but not limited to letter such as torque estimation, angular frequency and AC power
Breath, thus obtains the monitoring signals of described motor 11 torque.
Described expectation unit 122 obtains motor work order, from described accelerator pedal 3, institute from described entire car controller 2
State brake 4 and described steering wheel 5 obtains signal for faster, brake signal and direction signal, detect described motor work order, institute
State the validity of signal for faster, described brake signal and described direction signal, and described motor work order, described acceleration are believed
Number, described brake signal and described direction signal be converted into motor control signal, to obtain desired signal.Desired signal can also
Only obtain from described entire car controller 2 or described accelerator pedal 3, described brake 4 and described steering wheel 5, in the present embodiment
In, for multi-faceted acquisition desired signal, improve the integrality of data, therefore from described entire car controller 2, described accelerator pedal
3rd, all obtain information in described brake 4 and described steering wheel 5.
Described decision package 123 carries out the constraints inspection on upper strata, bag according to the monitoring signals obtaining and desired signal
Include but be not limited to drive control, the inspection of torque outbound course and torque amplitude control, in the present embodiment, believed by monitoring
Number and desired signal relatively realize constraints inspection.
Step s3: if monitoring signals are inconsistent with desired signal, judge motor torque output abnormality, turn off described electricity
Machine, to realize safeguard protection；If monitoring signals are consistent with desired signal, judge that motor torque output is normal.
Specifically, if as shown in figure 1, described decision package 123 judges motor torque output abnormality, triggering described safety
Motor unit 124 output safety actuating signal, including soft switching signal and hard cut-off signals.In the present embodiment, when motor turns
Square output abnormality then realizes soft switching in allowed band, and slowly adjustment motor torque exports to reach normal range (NR)；Work as motor
Torque output abnormality exceeds then realizes hard shutoff in allowed band, adjustment motor torque exports to reach normal range (NR) immediately.With
When, the decision information that described decision package 123 is made by described data outputting unit 126 by general proximity switch 127 is with can
Message and spi form are sent to described motor control module 13, and the action that described motor control module 13 examines pass power machine is
No execution is it is ensured that security.
If described decision package 123 judges motor torque, and output is normal, described safe action invalidating signal, described motor
Control module 13 continue according to described accelerator pedal 3, described brake 4 and described steering wheel 5 output signal for faster, brake letter
Number and direction signal adjust and control the output of described motor 11 torque.
As described above, electric machine control system of the present utility model, have the advantages that
Electric machine control system of the present utility model, on the basis of original electric machine control system, increased a torque monitoring
Module, is monitored to the torque of motor reality output by torque monitoring module, and is proofreaded with expectation torque, if not
Unanimously, then judge torque output abnormality, take the protection operation such as pass power machine in time, to avoid dangerous generation, greatly improve peace
Full performance.
In sum, the utility model provides a kind of electric machine control system, comprising: motor, for producing driving torque, makees
For power source；Torque monitoring module, is connected with described motor and entire car controller, obtains monitoring signals and the expectation letter of motor
Number, monitoring signals are compared with desired signal, if monitoring signals are inconsistent with desired signal, output safety action is believed
Number；Motor control module, is connected with described motor and described torque monitoring module, when receiving described safe action signal pair
Described motor output control signal, closes described motor, normal to guarantee motor torque output.System is carried out to internal software and hardware
Self-inspection in real time, if all normal, execution torque security monitoring, conversely, send alarm；Respectively obtain motor monitoring signals and
Desired signal, monitoring signals are compared with desired signal；If monitoring signals are inconsistent with desired signal, judge that motor turns
Square output abnormality, turns off described motor, to realize safeguard protection；If monitoring signals are consistent with desired signal, judge that motor turns
Square output is normal.Electric machine control system of the present utility model, on the basis of original electric machine control system, increased a torque
Monitoring module, is monitored to the torque of motor reality output by torque monitoring module, and is proofreaded with expectation torque, if
Inconsistent, then judge torque output abnormality, take the protection operation such as pass power machine in time, to avoid dangerous generation, greatly improve
Security performance.So, the utility model effectively overcomes various shortcoming of the prior art and has high industrial utilization.
Above-described embodiment only illustrative principle of the present utility model and its effect are new not for limiting this practicality
Type.Any person skilled in the art all can be carried out to above-described embodiment without prejudice under spirit and the scope of the present utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in the utility model
All equivalent modifications being completed under god and technological thought or change, must be covered by claim of the present utility model.
Claims (7)
1. a kind of electric machine control system is it is characterised in that described electric machine control system at least includes:
Motor, for producing driving torque, as power source；
Torque monitoring module, is connected with described motor and entire car controller, obtains monitoring signals and the desired signal of motor, will supervise
Survey signal to be compared with desired signal, if monitoring signals are inconsistent with desired signal, output safety actuating signal；
Motor control module, is connected with described motor and described torque monitoring module, when receiving described safe action signal
To described motor output control signal, close described motor, normal to guarantee motor torque output.
2. electric machine control system according to claim 1 it is characterised in that: described torque monitoring module includes: monitoring is single
Unit, expectation unit, decision package and safe action unit；
Described monitoring unit and described motor connection, measure to the electrical characteristic of described motor, monitor electric machine operation state,
To obtain monitoring signals；
Described expectation unit is connected with described entire car controller, from the acquisition motor work order of described entire car controller, and by electricity
Machine work order is converted into motor control signal, to obtain desired signal；
Described decision package is connected with described monitoring unit and described expectation unit, by the motor work of described monitoring unit output
State is compared with the motor control signal of described expectation unit output, if inconsistent, exports a trigger；
Described safe action unit is connected with described decision package, receives described trigger to trigger described safe action unit
Output safety actuating signal.
3. electric machine control system according to claim 2 it is characterised in that: described monitoring unit pass through current sensor and
Voltage sampling circuit and described motor connection, obtain three-phase current and the three-phase voltage of described motor.
4. electric machine control system according to claim 2 it is characterised in that: described expectation unit also with accelerator pedal, system
Dynamic device and steering wheel connect, and obtain signal for faster, brake signal and direction signal with this.
5. electric machine control system according to claim 2 it is characterised in that: described torque monitoring module also include with described
The data outputting unit that decision package connects, the output signal of described decision package is exported described entire car controller and described
Motor control module.
6. electric machine control system according to claim 2 it is characterised in that: described torque monitoring module also include with described
The self-test unit that decision package connects, detects to the software and hardware of described torque monitoring module in real time.
7. electric machine control system according to claim 1 it is characterised in that: described motor control module is also stepped on acceleration
Plate, brake and steering wheel connect, and control the output of described motor torque according to signal for faster, brake signal and direction signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620756142.5U CN205911736U (en) | 2016-07-18 | 2016-07-18 | Motor control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620756142.5U CN205911736U (en) | 2016-07-18 | 2016-07-18 | Motor control system |
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| CN205911736U true CN205911736U (en) | 2017-01-25 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634501A (en) * | 2016-07-18 | 2018-01-26 | 上海英恒电子有限公司 | A kind of electric machine control system and torque security monitoring method |
| CN109703378A (en) * | 2017-10-25 | 2019-05-03 | 上海汽车集团股份有限公司 | A kind of monitoring method and a kind of electronic gear system of electronic gear system |
| CN110549854A (en) * | 2018-05-31 | 2019-12-10 | 上海汽车集团股份有限公司 | torque monitoring method and system |
| CN111113119A (en) * | 2018-10-31 | 2020-05-08 | 株式会社日研工作所 | Feed shaft abnormality determination system and worm wheel abnormality determination system |
| CN111257750A (en) * | 2019-11-14 | 2020-06-09 | 杭州广安汽车电器有限公司 | Automatic testing device for controller and positioning method thereof |
-
2016
- 2016-07-18 CN CN201620756142.5U patent/CN205911736U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107634501A (en) * | 2016-07-18 | 2018-01-26 | 上海英恒电子有限公司 | A kind of electric machine control system and torque security monitoring method |
| CN107634501B (en) * | 2016-07-18 | 2020-07-28 | 上海英恒电子有限公司 | Motor control system and torque safety monitoring method |
| CN109703378A (en) * | 2017-10-25 | 2019-05-03 | 上海汽车集团股份有限公司 | A kind of monitoring method and a kind of electronic gear system of electronic gear system |
| CN109703378B (en) * | 2017-10-25 | 2022-05-17 | 上海汽车集团股份有限公司 | Monitoring method of electronic gear system and electronic gear system |
| CN110549854A (en) * | 2018-05-31 | 2019-12-10 | 上海汽车集团股份有限公司 | torque monitoring method and system |
| CN111113119A (en) * | 2018-10-31 | 2020-05-08 | 株式会社日研工作所 | Feed shaft abnormality determination system and worm wheel abnormality determination system |
| US11112767B2 (en) | 2018-10-31 | 2021-09-07 | Nikken Kosakusho Works, Ltd. | Feed shaft and worm gear abnormality determination system |
| CN111113119B (en) * | 2018-10-31 | 2022-04-01 | 株式会社日研工作所 | Feed shaft abnormality determination system and worm wheel abnormality determination system |
| CN111257750A (en) * | 2019-11-14 | 2020-06-09 | 杭州广安汽车电器有限公司 | Automatic testing device for controller and positioning method thereof |
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