CN115683602A

CN115683602A - Electric drive speed reducer experiment system and method

Info

Publication number: CN115683602A
Application number: CN202211351406.5A
Authority: CN
Inventors: 谈斌; 浦秋林; 陆重霖; 韦信
Original assignee: Suote Transmission Equipment Co Ltd
Current assignee: Suote Transmission Equipment Co Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-02-03

Abstract

The application relates to the technical field of test methods and test equipment, in particular to an experiment system and method of an electrically-driven speed reducer. Wherein, electrically-driven speed reducer experimental system includes: the system comprises a motor control system, a monitoring system and at least two experiment bench units; the experiment bench unit is used for fixing the speed reducer and driving the speed reducer to perform an experiment, wherein the speed reducers corresponding to the experiment bench units are different; the motor control system is respectively connected with each experiment bench unit and is used for controlling the experiment units to carry out experiments; and the monitoring system is used for acquiring the experimental data of the speed reducer for carrying out the experiment on the experiment bench unit. So through different experiment bench units, the different speed reducers of adaptation. The electric drive speed reducer experiment system can be used for carrying out experiments on different speed reducers.

Description

Electric drive speed reducer experiment system and method

Technical Field

The application relates to the field of test methods and test equipment, in particular to an experiment system and method for an electrically-driven speed reducer.

Background

The speed reducer plays the effect of matching rotational speed and transmission moment of torsion as power device and actuating mechanism's connecting device, uses extremely extensively in modern machinery, in heavy equipment field, because the complicacy of its operating mode is various, has caused the demand to the speed reducer to present the characteristics of polymorphic type, manifold type, small batch, when carrying out the design of speed reducer, need continuous experiment to the speed reducer, acquire the experimental data of speed reducer to in based on experimental data, carry out further improvement to the speed reducer.

In the actual detection process, different motor control systems and different experiment bench units are often required to be arranged based on different speed reducers; the speed reducer is tested by the test system consisting of the motor control system matched with the speed reducer and the test bench unit, but in the mode, one speed reducer needs one test system, and the test cost is high.

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides an experiment system and method for an electrically-driven speed reducer.

According to a first aspect of embodiments of the present application, there is provided an electrically driven reducer experiment system, including: the system comprises a motor control system, a monitoring system and at least two experiment bench units;

the experiment bench unit is used for fixing the speed reducers and driving the speed reducers to perform experiments, wherein the speed reducers corresponding to the experiment bench units are different;

the motor control system is respectively connected with each experiment bench unit and is used for controlling the experiment units to carry out experiments;

and the monitoring system is used for acquiring the experimental data of the speed reducer for carrying out the experiment on the experiment bench unit.

In one embodiment, the laboratory bench unit comprises: the device comprises a main test motor, an accompanying test motor, an experiment bench unit main body and at least one connecting assembly;

the experiment bench unit main body fixes the speed reducer through the connecting component;

the main test motor is connected with an input shaft of the speed reducer and used for driving the speed reducer to rotate;

the accompany test motor is connected with the output shaft of the speed reducer and outputs torque for preventing the speed reducer from rotating.

In one embodiment, the motor control system includes: the system comprises a power supply, a battery simulator and a motor controller;

the power supply is used for supplying power to the battery simulator and the motor controller;

the battery simulator is used for simulating a battery corresponding to the speed reducer for carrying out experiments;

and the motor controller is connected with the battery simulator and is used for controlling the motor on the experiment bench unit to rotate according to a preset control strategy by utilizing the power supply provided by the battery simulator.

In one embodiment, the motor controller includes: the main test motor controller and the auxiliary test motor controller;

the main test motor controller is connected with a main test motor on the experiment bench unit and used for driving a speed reducer fixed on the experiment bench unit to rotate through the main test motor;

the accompanying motor controller is connected with an accompanying motor on the experiment bench unit and used for applying reverse torque for preventing the speed reducer from rotating through the accompanying motor and recycling energy.

In one embodiment, the monitoring system includes: the device comprises a data acquisition processing module, a Hall current sensor, a temperature sensor and a torque sensor;

the temperature sensor is used for acquiring oil temperature information of the speed reducer;

the torque sensor is used for acquiring output torque information of the speed reducer;

the Hall current sensor is used for acquiring current information output by the motor control system;

the data acquisition and processing module is in communication connection with the Hall current sensor, the temperature sensor, the torque sensor and the motor control system respectively and is used for acquiring the current information, the oil temperature information, the torque information and the information of the motor control system.

In one embodiment, the monitoring system is in communication connection with the battery simulator, the motor controller and a main test motor of the experiment bench unit respectively, and is used for collecting current data information of the battery simulator, the motor controller and the main test motor and determining the input power of the speed reducer based on the current data information.

In one embodiment, the laboratory bench unit further comprises a water temperature heat dissipation system:

and the water temperature heat dissipation system cools the electric drive speed reducer experiment system.

In one embodiment, the monitoring system further comprises a wireless communication module:

the monitoring system is in communication connection with a preset remote terminal through the wireless communication module and is used for sending the experiment data to the remote terminal or acquiring a control instruction sent by the remote terminal and controlling the experiment system of the electrically-driven speed reducer based on the control instruction.

According to a second aspect of embodiments of the present application, there is provided an experimental method for an electrically driven speed reducer, including:

adjusting internal parameter information of a motor control system based on parameter information of a speed reducer and a preset experiment strategy so that the motor control system is matched with the speed reducer;

determining an experiment bench unit where the speed reducer is located;

the motor control system is controlled to output an experiment signal matched with the speed reducer to an experiment bench unit where the speed reducer is located so as to control the experiment bench unit to carry out an experiment;

and collecting experimental data.

In one embodiment, the determining the experiment bench unit where the speed reducer is located includes:

acquiring experiment bench indication information input by a user;

and determining the experiment bench unit where the speed reducer is located based on the experiment bench indication information.

In the scheme that this application provided, electric drive speed reducer experimental system includes: the system comprises a motor control system, a monitor and at least two experiment bench units; the experiment bench unit is used for fixing the speed reducer and driving the speed reducer to perform an experiment; the speed reducers corresponding to the experiment bench units are different from one another; the motor control system is respectively connected with each experiment bench unit and is used for controlling the experiment units to carry out experiments; and the monitoring system is used for acquiring the experimental data of the speed reducer for carrying out the experiment on the experiment bench unit. So through different experiment bench units, the different speed reducers of adaptation. The electric drive speed reducer experiment system can be used for carrying out experiments on different speed reducers. Compare in the scheme among the background art, what this application provided, electrically-driven speed reducer test system can effectual reduction experiment cost.

Drawings

The above and other objects, features and advantages of the present application will become more apparent by describing in more detail embodiments of the present application with reference to the attached drawings. The accompanying drawings are included to provide a further understanding of the embodiments of the application and are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. In the drawings, like reference numbers generally represent like parts or steps.

Fig. 1 is a schematic structural diagram of an experimental system of an electrically driven speed reducer provided in an embodiment of the present application.

Fig. 2 is a schematic structural diagram of another electric drive reducer experiment system provided in the embodiment of the present application.

Fig. 3 is a schematic flow chart of an experimental method of an electrically driven speed reducer according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Summary of the application

In the actual detection process, different motor control systems and different experiment bench units are often required to be arranged based on different speed reducers; the experiment system consisting of the motor control system matched with the speed reducer and the experiment bench unit is used for carrying out experiments on the speed reducer, but in the mode, one speed reducer needs one experiment system, and the experiment cost is high.

In order to solve the above problems, the present invention provides an experiment system for an electrically driven reducer, comprising: the system comprises a motor control system, a monitor and at least two experiment bench units; the experiment bench unit is used for fixing the speed reducer and driving the speed reducer to perform an experiment; the speed reducers corresponding to the experiment bench units are different from one another; the motor control system is respectively connected with each experiment bench unit and is used for controlling the experiment units to carry out experiments; and the monitoring system is used for acquiring the experimental data of the speed reducer for carrying out the experiment on the experiment bench unit. So through different experiment bench units, the different speed reducers of adaptation. The electric drive speed reducer experiment system can be used for carrying out experiments on different speed reducers.

Having described the general principles of the present application, various non-limiting embodiments of the present application will now be described with reference to the accompanying drawings.

Exemplary System

Fig. 1 is a schematic structural diagram of an experimental system of an electrically driven speed reducer provided in an embodiment of the present application. Referring to fig. 1, the present application provides an electric drive reducer experiment system including:

the device comprises a motor control system 1, a monitoring system 3 and at least two experiment bench units 2;

the experiment bench units 2 are used for fixing the speed reducers and driving the speed reducers to perform experiments, wherein the speed reducers corresponding to the experiment bench units 2 are different;

the motor control system 1 is respectively connected with each experiment bench unit 2 and is used for controlling the experiment units to carry out experiments;

and the monitoring system 3 is used for acquiring experimental data of the speed reducer for experiment on the experiment bench unit 2.

So set up, when experimenting, can select different experiment bench unit 2 based on the difference of the speed reducer that carries out the experiment, accomplish the experiment to the different kind of electric drive speed reducer of different models through same set of electric drive speed reducer experiment system.

Specifically, the experiment bench unit 2 includes: the device comprises a main test motor 21, an accompanying test motor 22, an experiment bench unit main body and at least one connecting assembly 23;

the experiment bench unit main body fixes the speed reducer through the connecting assembly 23;

the main test motor 21 is connected with an input shaft of the speed reducer and used for driving the speed reducer to rotate;

the test-accompanying motor 22 is connected to an output shaft of the speed reducer, and outputs a torque for preventing the speed reducer from rotating.

In practical application, coupling assembling 23 can be the flange, and the speed reducer passes through flange fixed connection on experiment bench unit 2. Further, the connection assembly 23 may include a plurality of types of flanges, so that the same test bench unit may be used to perform experiments on a plurality of types of speed reducers. Namely: in practical application, a speed reducer of one model can be fixed through a certain flange. When the speed reducers of other models need to be tested, the speed reducers of other models can be fixed through the other flanges.

In one embodiment, referring to FIG. 2, the test rig unit is embodied as follows: the main test motor 21 is connected with an input shaft of the speed reducer through a flange, and the auxiliary test motor 22 is connected with an output shaft of the speed reducer through a transfer flange; the speed reducer is fixed on the fixed seat; the fixing seat is fixed on the cast iron floor. It should be noted that the above is only an exemplary structure of the test bench unit, and in the solution provided in the present application, the test bench unit may include a plurality of structures corresponding to various speed reducers.

In one embodiment, the motor control system 1 includes: a power supply 11, a battery simulator 12 and a motor controller;

the power supply 11 is used for supplying power to the battery simulator 12 and the motor controller;

a battery simulator 12 for simulating a battery corresponding to a reducer for performing an experiment;

the motor controller is connected with the battery simulator 12 and is used for controlling the motor on the experiment bench unit 2 to rotate according to a preset control strategy by using the power supply provided by the battery simulator 12.

With this arrangement, the battery simulator 12 simulates a battery corresponding to the speed reducer to be tested, and the power supply 11, the battery simulator 12 and the motor controller in the motor control system 1 can meet the input current requirements in various speed reducer tests.

Further, the motor controller includes: a main test motor controller 13 and an auxiliary test motor controller 14;

the main test motor controller 13 is connected with a main test motor 21 on the experiment bench unit 2 and is used for driving a speed reducer fixed on the experiment bench unit 2 to rotate through the main test motor 21;

the accompanying motor controller 14 is connected with an accompanying motor 22 on the experiment bench unit 2, and is used for applying reverse torque for preventing the speed reducer from rotating through the accompanying motor 22 and recovering energy.

So set up, carry out the recovery of energy when carrying out the speed reducer experiment, avoid the waste of energy, more energy-conservation.

Specifically, the power supply 11 may be a power distribution cabinet. The power distribution cabinet is connected with the incoming line cabinet of the battery simulator 12 through a double-spliced power cable 3 x 240+1 x 240mm 2; the battery simulator 12 has two channels, wherein a first channel dc output is connected to a dc input terminal of the main test motor controller 13 through a 70mm2 dc cable with a shielding layer (in this case, a 70mm2 cable is used, and the cable model can be changed according to different motor powers because the motor power is 60 KW), a second channel dc output is connected to a dc input terminal of the auxiliary test motor controller 14 through a 70mm2 dc cable with a shielding layer, three-phase ac output terminals of the main test motor controller 13 and the auxiliary test motor controller 14 are connected to inlet terminals of the main test and auxiliary test point distributors through 3 × 70mm2 ac cables with shielding layers (in this case, a 70mm2 cable is used, and the cable model can be changed according to different motor powers), the main test and auxiliary test point distributors have a plurality of groups of outlet ports, and each group of outlet ports is connected to a control assembly of the main test motor 21 and the auxiliary test motor 22 of the test bench unit. Specifically, the main test site location distributor of accompanying tests respectively has 3 groups of outlet ports (can expand to more than 8 groups theoretically), and every sufficient outlet port inserts "the main test motor input of an experiment bench unit and the input of accompanying the test motor" so sets up, in practical application, can be based on actual demand, through 3 groups of outlet ports control a plurality of experiment bench units simultaneous working.

Further, the experiment bench unit 2 further comprises a water temperature heat dissipation system 4: the water temperature heat dissipation system 4 cools the experiment system of the electric drive speed reducer. The temperature of so setting control electric drive speed reducer experimental system avoids because operating temperature is too high, and influences electric drive speed reducer experimental system's work.

Specifically, the water temperature heat dissipation system 4 has two outputs, one of which corresponds to the main test motor controller 13 and the main test motor 21; the other path of output corresponds to the accompanying motor controller 14 and the accompanying motor 22; and each output is respectively connected in a serial connection mode. The take-over route is as follows:

the first output of the water temperature heat dissipation system 4 is as follows: the first channel outlet of the water temperature heat dissipation system 4, the heat dissipation pipeline inlet of the main test motor controller 13, the heat dissipation pipeline outlet of the main test motor controller 13, the water cooling inlet of the main test motor 21, the water cooling outlet of the main test motor 21 and the first channel inlet of the water temperature heat dissipation system 4 are sequentially connected in series.

And the water temperature heat radiation system 4 outputs in a second path: the outlet of the second channel of the water temperature heat radiation system 4, the inlet of the heat radiation pipeline of the accompanying motor controller 14, the outlet of the heat radiation pipeline of the accompanying motor controller 14, the water cooling inlet of the accompanying motor 22, the water cooling outlet of the accompanying motor 22 and the inlet of the second channel of the water temperature heat radiation system 4 are sequentially connected in series.

It should be noted that the water temperature heat dissipation system 4 may be provided independently for the motor control system 1 and each test bench unit.

Further, in one embodiment, the monitoring system 3 includes: the device comprises a data acquisition processing module 31, a Hall current sensor, a temperature sensor and a torque sensor;

the Hall current sensor is used for collecting current information output by the motor control system 1;

the data acquisition processing module 31 is in communication connection with the hall current sensor, the temperature sensor, the torque sensor and the motor control system 1, and is used for acquiring current information, oil temperature information, torque information and information of the motor control system 1.

The monitoring system 3 is arranged to collect experimental data comprehensively and provide data basis for analyzing the performance of the speed reducer based on the experimental data.

Further, the monitoring system 3 further includes a wireless communication module 32: the monitoring system 3 is in communication connection with a preset remote terminal through the wireless communication module 32, and is used for sending experiment data to the remote terminal or acquiring a control instruction sent by the remote terminal, and controlling the experiment system of the electrically-driven speed reducer based on the control instruction.

In this way, the relevant personnel can acquire the data collected by the monitoring system 3 based on the remote terminal and analyze the performance of the speed reducer based on the data.

Specifically, the wireless communication module 32 may be a 4G network card, a 5G network card, a bluetooth module, a wifi module, or the like; the data acquisition processing module 31 may include: the system comprises an industrial control computer, a CAN communication board card and a multifunctional data acquisition board card; the CAN communication board card is respectively connected with CAN communication interfaces of a 500KW battery simulator 12, a main test motor controller 13 and an auxiliary test motor controller 14 through CAN cables, and respectively acquires equipment information and sends a control instruction through an equipment communication protocol; and analog quantity signals of the infrared temperature sensor and the torque sensor are respectively acquired through a digital quantity input interface, a digital quantity output interface and an analog quantity input interface of the multifunctional data acquisition board card, and the water temperature heat dissipation system 4 and the motor brake are controlled to be started and stopped.

Further, the monitoring system 3 adopts the wireless communication module 32 to realize a remote monitoring function, and can monitor the state of the test bed on any one networked computer through a browser, so as to realize remote monitoring of parameters and conditions in the test process.

Further, the torque sensor is connected with the flange type torque sensor through a mounting and sleeving tool, the sensor adopts a non-contact torque sensor, a torque signal reading device on the fixed base is not in contact with the torque disc, the torque signal reading device can stably work for a long time, and the sensor is connected with the speed reducer through a diaphragm coupling so as to eliminate vibration and axial errors generated in the mounting and running processes.

In one embodiment, the monitoring system 3 is in communication connection with the battery simulator 12, the motor controller and the main test motor 21 of the laboratory bench unit 2, respectively, and is configured to collect current data information of the battery simulator 12, the motor controller and the main test motor 21, and determine the input power of the speed reducer based on the current data information. With this arrangement, the input power of the speed reducer can be calculated based on the current data information of the current of the battery simulator 12, the current data information of the motor controller, and the current data information of the main test motor 21, respectively, and then the input powers obtained based on the above three modes are summarized to obtain the input power with the highest reliability. Input power can be determined more accurately, and mechanical efficiency of the speed reducer can be determined more accurately.

Specifically, the specific manner of acquiring the current data information includes respectively connecting: the battery simulator 12, the motor controller and the main test motor 21 control assembly acquire data information provided by the control assembly.

Further, obtaining the power of the main test and the auxiliary test motor 22 may further include: each phase line of the three-phase ac cable of the main test motor controller 13 and the auxiliary test motor controller 14 is connected in series with a hall current sensor, the hall current sensors are connected to the data acquisition and processing module 31 through a shielding signal cable, and the data acquisition and processing module 31 acquires the power of the main test and auxiliary test motor 22 based on the data acquired by the hall current sensors. According to the scheme, more comprehensive experimental data can be acquired through multiple modes and multiple angles, and data support is provided for subsequent experimental analysis.

Exemplary method

Referring to fig. 3, in the experimental method of the electrically driven speed reducer provided by the present application, it should be noted that an execution main body of the scheme provided by the present application may be a monitoring system, including:

s301, adjusting internal parameter information of the motor control system based on parameter information of the speed reducer and a preset experiment strategy to enable the motor control system to be matched with the speed reducer;

specifically, firstly, the model of a motor and a test voltage index are determined based on parameter information of a speed reducer and a preset experiment strategy, then a battery simulator is controlled based on the model of the motor and the test voltage index, and proper voltage, current, power and voltage boosting slope are adjusted; the main motor controller for accompanying test can also automatically identify performance parameters of the accessed motor, and after identification is finished, the main motor controller for accompanying test is set to be in a speed control mode, and the motor controller for accompanying test is set to be in a torque control mode. The parameter information of the speed reducer and the preset experiment strategy can be input in advance by an experimenter.

Furthermore, the control strategies of the main test motor controller and the auxiliary test motor controller can be adjusted based on a preset experiment strategy. Specifically, in practical applications, the experimental strategy includes: no-load running-in, loading and overload test, temperature rise test, high-speed test and the like. Based on different selected experimental measurements, the main test motor controller and the auxiliary test motor controller are required to output different currents to drive the main test motor and the auxiliary test motor to carry out experiments.

In a specific experiment, an instruction needs to be sent to the water temperature controller, and the temperature control value and the flow rate of the cooling liquid are set so as to control the temperature of the experiment system of the electrically driven speed reducer.

S302, determining an experiment bench unit where a speed reducer is located;

specifically, the mode of determining the experiment bench unit where the speed reducer is located includes: acquiring experiment bench indication information input by a user; and determining the experiment bench unit where the speed reducer is located based on the experiment bench indication information. When a specific experiment is carried out, after the experimenter completes the fixation of the speed reducer, the experimenter can input the experiment bench indicating information to the monitoring system so as to indicate the experiment bench unit where the speed reducer is located.

S303, controlling a motor control system to output an experiment signal matched with the speed reducer to an experiment bench unit where the speed reducer is located so as to control the experiment bench unit to perform an experiment;

it should be noted that, in the scheme provided in the present application, only one test bench unit may perform an experiment at a time, or a plurality of test bench units may perform an experiment at the same time, which is not limited in the present application.

Specifically, a brake of a main test motor is controlled to be opened, the main test motor CAN be lifted to a set rotating speed within 2 seconds from 0rpm after receiving a speed adjusting instruction sent by a monitoring system, the actual output torque, the rotating speed and the power of the motor CAN be obtained from a controller through a CAN communication interface, the test motor CAN be lifted to the set torque within 1 second from 0Nm after receiving the torque adjusting instruction sent by a monitoring system cabinet, the reverse torque applied by the test motor CAN be transmitted to the output end of a tested speed reducer through a diaphragm coupler and a torque sensor after the torque of the preset test speed reducer is increased, and any load is applied to the tested speed reducer.

And S304, collecting experimental data.

Specifically, experimental data in the experimental process may be collected, and specifically, the experimental data may include: the temperature sensor is used for acquiring oil temperature information of the speed reducer; the torque sensor is used for acquiring output torque information of the speed reducer; the Hall current sensor is used for acquiring current information output by the motor control system; information sent by the motor control system, and other data collected and generated during the course of the experiment not described in this specification.

At the moment, the power value obtained by detecting the rotating speed and the torque of the motor at the input end of the tested piece (and simultaneously, the power value can be corrected with the power value of the motor collected by the power analyzer) is multiplied by the speed ratio of the speed reducer to obtain the driving power of the tested piece, and the actual transmission efficiency of the model speed reducer can be obtained by the ratio of the power value obtained by the rotating speed and the torque actually measured by the torque sensor at the output end of the tested piece. In the test process, the rotating speed of the main test speed reducer and the torque of the accompanying test speed reducer are all digitalized and infinitely adjustable, and the temperature rise state of the speed reducer is monitored by a non-contact online infrared temperature sensor in real time.

It should be noted that, in the scheme provided by the application, the electric drive speed reducer testing system can receive control of a remote terminal in communication connection, the remote terminal sends signals to the monitoring system, and the monitoring system controls and controls the whole electric drive speed reducer system based on the signals.

Compared with the scheme in the background art, the scheme provided by the application has the following advantages. Firstly, the test sample piece has high compatibility: and other structures do not need to be changed, and only the experiment bench unit needs to be replaced, the connecting component corresponding to the speed reducer to be tested is found, and the optimized calibration parameters of the motor of the tested speed reducer are uploaded to the controller, so that any type test of the electric speed reducer can be carried out on the controller. Furthermore, the scheme provided by the application also has an energy recovery function, and is more energy-saving. Furthermore, the input efficiency is determined by various means, and the efficiency detection accuracy is higher. The mechanical efficiency of the speed reducer can be tested more accurately. Furthermore, the functions of remote monitoring, remote diagnosis and the like are realized through the wireless communication assembly. Furthermore, a centralized battery simulator, a water circulation system, a synchronous motor controller, a power analyzer and a monitoring system are adopted, through a test point position distributor, the monitoring system can distribute test resources to any test point position, the fatigue endurance test of various types of electrically-driven speed reducer assemblies can be realized by one set of test bed, and the whole operation is automatically operated by software without manual intervention.

Exemplary computer program product and computer-readable storage Medium

In addition to the above-described methods and apparatus, embodiments of the present application may also be a computer program product comprising computer program instructions that, when executed by a processor, cause the processor to perform the steps in the electric drive reducer experimental method according to various embodiments of the present application described in the "exemplary methods" section above of this specification.

The computer program product may include program code for carrying out operations for embodiments of the present application in any combination of one or more programming languages, including an object oriented programming language such as Java, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computing device, partly on the user's device, as a stand-alone software package, partly on the user's computing device and partly on a remote computing device, or entirely on the remote computing device or server.

Furthermore, embodiments of the present application may also be a computer-readable storage medium having stored thereon computer program instructions that, when executed by a processor, cause the processor to perform the steps in the electric drive reducer experiment method according to various embodiments of the present application described in the "exemplary methods" section above in this specification.

A computer-readable storage medium may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. A readable storage medium may include, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium include: an electrical connection having one or more wires, a portable disk, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.

The foregoing description has been presented for purposes of illustration and description. Furthermore, the description is not intended to limit embodiments of the application to the form disclosed herein. While a number of example aspects and embodiments have been discussed above, those of skill in the art will recognize certain variations, modifications, alterations, additions and sub-combinations thereof.

Claims

1. An electrically driven speed reducer experiment system, comprising: the system comprises a motor control system, a monitoring system and at least two experiment bench units;

2. The electric drive reducer experiment system of claim 1, wherein the experiment bench unit comprises: the device comprises a main test motor, an accompanying test motor, an experiment bench unit main body and at least one connecting assembly;

3. The electric drive reducer experimental system of claim 1, wherein the motor control system comprises: the system comprises a power supply, a battery simulator and a motor controller;

4. The electric drive reducer experimental system of claim 3, wherein the motor controller comprises: the main test motor controller and the auxiliary test motor controller;

5. The electric drive reducer experiment system of claim 1, wherein the monitoring system comprises: the device comprises a data acquisition processing module, a Hall current sensor, a temperature sensor and a torque sensor;

6. The experiment system of the electrically driven speed reducer according to claim 3, wherein the monitoring system is in communication connection with the battery simulator, the motor controller and a main test motor of the experiment bench unit, respectively, and is configured to collect current data information of the battery simulator, the motor controller and the main test motor, and determine the input power of the speed reducer based on the current data information.

7. The electric drive speed reducer experimental system of claim 1, wherein the experimental bench unit further comprises a water temperature heat dissipation system:

8. The electric drive reducer experimental system of claim 1, wherein the monitoring system further comprises a wireless communication module:

9. An experimental method for an electrically driven speed reducer is characterized by comprising the following steps:

determining an experiment bench unit where the speed reducer is located;

controlling the motor control system to output an experiment signal matched with the speed reducer to an experiment bench unit where the speed reducer is located so as to control the experiment bench unit to perform an experiment;

and collecting experimental data.

10. The experimental method of claim 9, wherein the determining the experimental bench unit where the reducer is located comprises:

acquiring experiment bench indication information input by a user;