CN114754814A - Device and method for measuring instantaneous torque and rotating speed of range extender - Google Patents
Device and method for measuring instantaneous torque and rotating speed of range extender Download PDFInfo
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- CN114754814A CN114754814A CN202210375314.4A CN202210375314A CN114754814A CN 114754814 A CN114754814 A CN 114754814A CN 202210375314 A CN202210375314 A CN 202210375314A CN 114754814 A CN114754814 A CN 114754814A
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- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
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- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
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Abstract
The invention relates to a device and a method for measuring instantaneous torque and rotating speed of a range extender, wherein the system comprises: the device comprises a data acquisition module, a conversion module and a communication module; the data acquisition module is connected with the conversion module; the conversion module is also connected with the communication module; the data acquisition module is used for acquiring torque information and rotating speed information of the range extender in real time; the conversion module is used for converting the torque information and the rotating speed information of the range extender into a preset format and sending the torque information and the rotating speed information of the preset format to the communication module; and the communication module is used for sending the torque information and the rotating speed information meeting the preset requirements to the upper computer in a preset communication mode. The invention provides a device and a method for measuring instantaneous torque and rotating speed of a range extender.
Description
Technical Field
The invention relates to the technical field of range extenders, in particular to a device and a method for measuring instantaneous torque and rotating speed of a range extender.
Background
Under the lead of the dual-carbon target, the range-extended hybrid system as one of the new energy power systems is receiving wide attention due to its strong endurance. Controlling the start and stop of the range extender is one of the core technologies of the range-extending hybrid system. The range extender is a core component in the range-extending hybrid system and is a nonlinear strong coupling system consisting of an internal combustion engine and a generator. Coordinated control of internal combustion engines and generators with respect to torque is a significant difficulty in controlling the start and stop of range extenders. At present, with the development of artificial intelligence, the intelligent information acquisition technology is widely applied in the technical field of range extenders. In the key direction of realizing intelligent information acquisition, the frequency of the acquired signals is improved, the acquired signal distortion is avoided, and the method is the key point for realizing the breakthrough of signal acquisition of the future range extender.
For the aspect of acquiring signals by the range extender, the invention of China with the patent number of CN202110674088.5 provides a device for acquiring and measuring the rotating speed of a bench test of the range extender.
However, the scheme has the defects that after the rotating speed signal acquired by the test bed is analyzed by the power analyzer, the sampling frequency is too low, the sampling signal is distorted, main characteristics cannot be distinguished, and complete technical support cannot be provided for the start-stop strategy of the range extender.
Disclosure of Invention
In view of this, it is necessary to provide a device and a method for measuring the instantaneous torque and the rotational speed of the range extender, so as to solve the problems of low sampling frequency and distortion of the acquired signal in the prior art.
In order to achieve the technical purpose, the invention adopts the following technical scheme:
in a first aspect, the present invention provides a range extender instantaneous torque and speed measurement device, comprising: the device comprises a data acquisition module, a conversion module and a communication module; the data acquisition module is connected with the conversion module; the conversion module is also connected with the communication module;
the data acquisition module is used for acquiring torque information and rotating speed information of the range extender in real time;
the conversion module is used for converting the torque information and the rotating speed information of the range extender into a preset format and sending the torque information and the rotating speed information of the preset format to the communication module;
and the communication module is used for sending the torque information and the rotating speed information meeting the preset requirements to the upper computer in a preset communication mode.
Preferably, the data acquisition module comprises a detection module and a sampling module;
the detection module is used for detecting the torque information and the change condition of the rotating speed information of the range extender;
and the sampling module is used for acquiring the torque signal and the rotating speed signal of the range extender according to the preset acquisition frequency.
Preferably, the conversion module comprises a linear relation verification module and a digital signal conversion module;
the linear relation verification module is used for receiving the torque signal and the rotating speed signal of the range extender and verifying whether the torque signal and the rotating speed signal of the range extender are in a linear relation or not;
and the digital signal conversion module is used for converting the torque signal and the rotating speed signal of the range extender in a linear relation into digital signals and sending the digital signals to the detection module.
Preferably, the communication module comprises a communication preparation module and a sending module;
the communication preparation module is used for checking whether the connection of each module of the extended range type hybrid system is normal or not;
and the sending module is used for sending the digital signal to the upper computer in a preset format.
Preferably, the communication module is a CAN communication module, and the message is a CAN message.
Preferably, the device also comprises a display module; and the display module is used for displaying the torque information and the rotating speed information of the range extender acquired by the data acquisition module, the state of the communication module and the message sending state.
In a second aspect, the present invention further provides a range extender instantaneous torque and rotation speed measuring method, based on the range extender instantaneous torque and rotation speed measuring device in any one of the above implementations, including:
acquiring torque information and rotating speed information of the range extender in real time through a data acquisition module;
converting the torque information and the rotating speed information of the range extender into a preset format through a conversion module, and sending the torque information and the rotating speed information of the preset format to a communication module;
and transmitting the torque information and the rotating speed information meeting the preset requirements to the upper computer in a preset communication mode through the communication module.
Preferably, gather the moment of torsion information and the rotational speed information of increasing the journey ware in real time through the data acquisition module, include:
detecting the torque information and the change condition of the rotating speed information of the range extender in real time;
and acquiring the torque information and the change condition of the rotating speed information of the range extender at a preset acquisition frequency to obtain a torque signal and a rotating speed signal of the range extender.
Preferably, through the conversion module with the torque information and the rotational speed information conversion of increase journey ware preset the form to torque information and the rotational speed information transmission of presetting the form give the communication module, still include:
Acquiring a torque signal and a rotating speed signal of the range extender at any moment for at least three times;
taking a torque signal and a rotating speed signal of the range extender at any time twice to establish a linear relation;
and verifying whether the linear relation is accurate or not by using the torque signal and the rotating speed signal of the range extender at any moment for the third time.
Preferably, the torque information and the rotating speed information meeting the preset requirements are sent to the upper computer in a preset communication mode through the communication module, and the method comprises the following steps:
storing the torque signal and the rotating speed signal of the range extender as a message by using a preset data bit to obtain a message containing the torque signal and the rotating speed signal of the range extender;
and sending the message containing the torque signal and the rotating speed signal of the range extender to the upper computer in a preset message format.
The beneficial effects of adopting the embodiment are as follows: according to the device for measuring the instantaneous torque and the rotating speed of the range extender, the instantaneous torque and the instantaneous rotating speed of the range extender are directly acquired at high frequency through the data acquisition module, so that the acquired signals are not distorted, the acquired signals are converted into digital signals through the conversion module, and the digital signals are sent to the upper computer through the communication module to control the range-extending type hybrid system, so that the high-frequency acquisition of the instantaneous torque and the instantaneous rotating speed is realized, and the distortion rate of the signals is reduced.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of an apparatus for measuring instantaneous torque and rotational speed of a range extender provided by the present invention;
fig. 2 is a schematic flow chart of an embodiment of a method for measuring an instantaneous torque and a rotational speed of a range extender according to the present invention.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.
The invention provides a device and a method for measuring instantaneous torque and rotating speed of a range extender, which are respectively explained below.
Referring to fig. 1, fig. 1 is a schematic structural diagram of an embodiment of a range extender instantaneous torque and rotational speed measuring device provided by the present invention, and an embodiment of the present invention is described by using a comfortable power range extender experimental bench to measure an instantaneous torque and an instantaneous rotational speed, and discloses a range extender instantaneous torque and rotational speed measuring device, which includes: the data acquisition module 10, the conversion module 20 and the communication module 30; wherein, the data acquisition module 10 is connected with the conversion module 20; the conversion module 20 is further connected with the communication module 30;
the data acquisition module 10 is used for acquiring torque information and rotating speed information of the range extender in real time;
the conversion module 20 is configured to convert the torque information and the rotational speed information of the range extender into a preset format, and send the torque information and the rotational speed information of the preset format to the communication module 30;
and the communication module 30 is used for sending the torque information and the rotating speed information meeting the preset requirements to the upper computer in a preset communication mode.
In the embodiment, firstly, the data acquisition module 10 acquires the rotating speed and torque signals sent by the torque flange in real time and at high frequency, then the conversion module 20 calculates and converts the acquired rotating speed and torque frequency signals into digital signals, the acquisition controller is connected with the industrial personal computer network through the Ethernet, the industrial personal computer network receives the acquired digital signals and then sends the digital signals to the upper computer in a specific message format, and the upper computer controls the range-extended hybrid system according to message information.
Compared with the prior art, the instant torque and the rotational speed measuring device of the range extender provided by the embodiment directly carry out high-frequency acquisition on the instant torque and the instant rotational speed of the range extender through the data acquisition module 10, so that the acquired signals are not distorted, the acquired signals are converted into digital signals through the conversion module 20, the digital signals are sent to the upper computer by the communication module 30 to control the range extender hybrid system, the high-frequency acquisition on the instant torque and the instant rotational speed is realized, and the distortion rate of the signals is reduced.
In some embodiments of the present invention, the data acquisition module 10 includes a detection module and a sampling module;
the detection module is used for detecting the torque information and the change condition of the rotating speed information of the range extender;
and the sampling module is used for collecting the torque signal and the rotating speed signal of the range extender according to the preset collection frequency.
In the above embodiment, the detection module is a HBM T40B-DU2 digital torque sensor, and since the interface of the torque flange used by the kokka test bed and the interface of the power analyzer of the river adopt an RS422 interface to meet the TTL (transistor-transistor logic level) level signal specification, the high voltage is equivalent to logic 1, and the low voltage is equivalent to logic 0. Therefore, a digital signal acquisition card can be adopted, the sampling module is an NI 9041 type acquisition card, the change conditions of the torque information and the rotating speed information of the range extender are detected through the HBM T40B-DU2 digital torque sensor, the HBM T40B-DU2 digital torque sensor is connected with the NI 9041 type acquisition card, the HBM T40B-DU2 digital torque sensor sends the detection condition to the NI 9041 type acquisition card, and the sampling frequency of the NI 9041 type acquisition card is 10 Mhz.
It should be noted that, after the data acquisition module 10 acquires the rotation speed signal and the torque signal of the range extender, the accuracy of the signals is also verified, that is, the signals are compared and analyzed with the rotation speed signal and the torque signal acquired by the power analyzer. According to actual measurement results, data acquired and calculated by the bench test system is basically consistent with a power analyzer of WT1800E in the river under the static state of the range extender, and the error exists in the 2 nd bit behind the decimal point of the torque data and is about 1% error; under the stable operation state of the range extender, data acquired and calculated by the bench test system is basically consistent with a power analyzer of the cross river WT1800E, the torque error is about 1.4%, and the rotating speed is consistent.
In some embodiments of the present invention, the converting module 20 includes a linear relationship verifying module and a digital signal converting module 20;
the linear relation verification module is used for receiving the torque signal and the rotating speed signal of the range extender and verifying whether the torque signal and the rotating speed signal of the range extender are in a linear relation or not;
and the digital signal conversion module 20 is used for converting the torque signal and the rotating speed signal of the range extender in a linear relationship into digital signals and sending the digital signals to the detection module.
In the above embodiment, the torque signal of the range extender should have a linear relationship with the output frequency, and as can be seen from the specification of the HBM T40B-DU2 digital torque sensor, when the torque is 0N × m, the output frequency is 60 KHz; when the torque is 500N × m, the output frequency is 90 KHz; when the torque is-500N × m (reverse), the output frequency is 30 KHz. The linear relationship verification module can adopt a linear conversion mode 500/(90-60) to be y/(x-60), wherein x is frequency and y is torque (positive direction). And then, randomly acquiring the actually acquired torque information for verification, and judging whether the linear relation is accurate or not.
The digital signal conversion module 20 is a CRIO 9039 controller, and is used for calculating and converting the rotating speed and torque signals acquired by the NI 9041 acquisition card into digital signals and then connecting the acquisition controller with an industrial personal computer network through an Ethernet. The linear acquisition point signals are converted into digital signals and sent to the communication module 30 via ethernet.
In some embodiments of the present invention, the communication module 30 includes a communication preparation module and a sending module;
the communication preparation module is used for checking whether the connection of each module of the extended range type hybrid system is normal or not;
and the sending module is used for sending the digital signal to the upper computer in a preset format.
In the above embodiment, the communication preparation module checks the connection status between the industrial personal computer and the acquisition device before performing communication, and the industrial personal computer is connected to the communication module 30 in a TCP/IP ethernet manner and determines that the CAN receiving end program has run.
The sending module sends the data through a CAN data frame, wherein the first 8 bits of the CAN data frame represent a rotating speed value, the second 8 bits of the CAN data frame represent a torque value, and it needs to be noted that data in the CAN data frame are 16 systems.
In some embodiments of the present invention, the communication module 30 is a CAN communication module 30, and the message is a CAN message.
In the above embodiment, the CAN communication module 30 has the characteristics of multi-master control, flexibility, fast communication speed, long communication distance, and the like, and is suitable for vehicle communication, and the message sent by CAN communication is a CAN message, and data is sent out through the Motorola format or the INTEL format of the CAN message.
In some embodiments of the present invention, the display device further comprises a display module 40; and the display module 40 is used for displaying the torque information and the rotating speed information of the range extender acquired by the data acquisition module 10, the state of the communication module 30 and the message sending state.
In the above embodiment, the display module 40 is a display screen, and the torque information and the rotational speed information of the range extender acquired by the data acquisition module 10, the state of the communication module 30 and the message sending state can be visually displayed through the display module 40, and when an abnormality occurs, an operator can also immediately process the abnormality. It can be understood that the display module 40 can also display an operation interface, which is convenient for an operator to operate.
Referring to fig. 2, fig. 2 is a schematic flow chart of an embodiment of a method for measuring an instantaneous torque and a rotational speed of a range extender, and the invention further provides a method for measuring an instantaneous torque and a rotational speed of a range extender, which is based on the device for measuring an instantaneous torque and a rotational speed of a range extender in any one of the above implementations, and includes:
s201, acquiring torque information and rotating speed information of the range extender in real time through the data acquisition module 10;
s202, converting the torque information and the rotating speed information of the range extender into a preset format through the conversion module 20, and sending the torque information and the rotating speed information of the preset format to the communication module 30;
and S203, sending the torque information and the rotating speed information meeting the preset requirements to an upper computer in a preset communication mode through the communication module 30.
In the above embodiment, the torque information and the rotation speed information of the range extender are collected first by the range extender instantaneous torque and rotation speed measuring device to obtain a high-frequency collected signal, so that the distortion of the signal is reduced, then the collected signal is converted into a digital signal, the digital signal CAN be identified by the industrial personal computer, the upper computer and the like, and the digital signal is sent to the communication module 30 through the TCP/IP, the communication module 30 generates a CAN message after reading the digital signal, and sends the CAN message to the upper computer, and the upper computer CAN control the range extender hybrid system.
In some embodiments of the present invention, the data acquisition module 10 acquires the torque information and the rotation speed information of the range extender in real time, including:
detecting the torque information and the change condition of the rotating speed information of the range extender in real time;
and acquiring the torque information and the change condition of the rotating speed information of the range extender at a preset acquisition frequency to obtain a torque signal and a rotating speed signal of the range extender.
In the embodiment, the preset acquisition frequency is 10MHz, the high frequency acquires the torque information and the rotating speed information of the range extender in real time, and the torque information and the rotating speed information are not analyzed by the power analyzer, so that the phenomenon that the power analyzer reduces the sampling frequency of the acquired signals, and the distortion is caused is avoided.
In some embodiments of the present invention, the converting module 20 converts the torque information and the rotation speed information of the range extender into a preset format, and sends the torque information and the rotation speed information of the preset format to the communication module 30, further comprising:
acquiring torque signals and rotating speed signals of the range extender at any time for at least three times;
taking a torque signal and a rotating speed signal of the range extender at any time twice to establish a linear relation;
and verifying whether the linear relation is accurate or not by using the torque signal and the rotating speed signal of the range extender at any time for the third time.
In the above embodiment, when the linear relationship between the torque and the frequency cannot be directly obtained from the specification of the sensor, the torque signal and the rotation speed signal of the range extender at any time can be taken twice to establish a linear equation relational expression, and the torque signal and the rotation speed signal of the range extender at any other time can be taken again to perform verification, so as to determine whether the linear relationship between the acquired torque signal and the frequency is reliable. It will be appreciated that the data collected is more reliable when the torque signal collected is linear with frequency.
In some embodiments of the present invention, the sending the torque information and the rotation speed information meeting the preset requirements to the upper computer through the communication module 30 in a preset communication manner includes:
storing the torque signal and the rotating speed signal of the range extender as a message by using a preset data bit to obtain a message containing the torque signal and the rotating speed signal of the range extender;
and sending the message containing the torque signal and the rotating speed signal of the range extender to the upper computer in a preset message format.
In the above embodiment, the information transmission between the automobiles is mostly the CAN communication, CAN transmit the state of the automobile rapidly through the CAN communication, the communication module 30 generates the CAN message according to the collected torque signal and the collected rotation speed signal, the data frame in the CAN message contains the collected torque signal and the collected rotation speed signal, and the CAN message is set to the Motorola format or the INTEL format to be sent outwards, such as an upper computer.
In summary, according to the device and the method for measuring the instantaneous torque and the instantaneous rotational speed of the range extender, provided by the invention, the data acquisition module 10 is used for directly carrying out high-frequency acquisition on the instantaneous torque and the instantaneous rotational speed of the range extender, so that the acquired signals are not distorted, the acquired signals are converted into digital signals through the conversion module 20, and the digital signals are sent to an upper computer through the communication module 30 to control the range-extending hybrid system, so that the high-frequency acquisition on the instantaneous torque and the instantaneous rotational speed is realized, and the distortion rate of the signals is reduced.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. An apparatus for measuring instantaneous torque and rotational speed of a range extender, comprising: the system comprises a data acquisition module, a conversion module and a communication module; the data acquisition module is connected with the conversion module; the conversion module is also connected with the communication module;
the data acquisition module is used for acquiring torque information and rotating speed information of the range extender in real time;
The conversion module is used for converting the torque information and the rotating speed information of the range extender into a preset format and sending the torque information and the rotating speed information of the preset format to the communication module;
and the communication module is used for sending the torque information and the rotating speed information meeting the preset requirements to the upper computer in a preset communication mode.
2. The range extender transient torque and rotational speed measurement device of claim 1, wherein the data acquisition module comprises a detection module and a sampling module;
the detection module is used for detecting the change conditions of the torque information and the rotating speed information of the range extender;
the sampling module is used for collecting the torque signal and the rotating speed signal of the range extender according to a preset collecting frequency.
3. The range extender instant torque and rotational speed measurement device of claim 2, wherein the conversion module comprises a linear relationship verification module and a digital signal conversion module;
the linear relationship verification module is used for receiving the torque signal and the rotating speed signal of the range extender and verifying whether the torque signal and the rotating speed signal of the range extender are in a linear relationship or not;
The digital signal conversion module is used for converting the torque signal and the rotating speed signal of the range extender in a linear relation into digital signals and sending the digital signals to the detection module.
4. The range extender instant torque and rotational speed measurement device of claim 3, wherein the communication module comprises a communication preparation module and a sending module;
the communication preparation module is used for checking whether the connection of each module of the extended range type hybrid system is normal or not;
and the sending module is used for sending the digital signal to an upper computer in a preset format to send a message.
5. The apparatus of claim 4, wherein the communication module is a CAN communication module and the message is a CAN message.
6. The range extender instantaneous torque and speed measurement device of claim 1, further comprising a display module; the display module is used for displaying the torque information and the rotating speed information of the range extender acquired by the data acquisition module, the state of the communication module and the message sending state.
7. A range extender instantaneous torque and rotation speed measuring method based on the range extender instantaneous torque and rotation speed measuring device according to claims 1-6 above, characterized by comprising:
The torque information and the rotating speed information of the range extender are acquired in real time through a data acquisition module;
converting the torque information and the rotating speed information of the range extender into a preset format through a conversion module, and sending the torque information and the rotating speed information of the preset format to the communication module;
and sending the torque information and the rotating speed information meeting the preset requirements to an upper computer in a preset communication mode through a communication module.
8. The method for measuring the instantaneous torque and the rotating speed of the range extender according to claim 7, wherein the step of acquiring the torque information and the rotating speed information of the range extender in real time through a data acquisition module comprises the following steps:
detecting the change conditions of the torque information and the rotating speed information of the range extender in real time;
and acquiring the torque information and the change condition of the rotating speed information of the range extender at a preset acquisition frequency to obtain a torque signal and a rotating speed signal of the range extender.
9. The method of claim 7, wherein the converting module converts the torque information and the rotational speed information of the range extender into a predetermined format and sends the torque information and the rotational speed information of the range extender to the communication module, further comprising:
Acquiring a torque signal and a rotating speed signal of the range extender at any time for at least three times;
taking the torque signal and the rotating speed signal of the range extender at any moment twice to establish a linear relation;
and verifying whether the linear relation is accurate or not by using the torque signal and the rotating speed signal of the range extender at the any moment for the third time.
10. The method for measuring the instantaneous torque and the rotating speed of the range extender according to claim 7, wherein the torque information and the rotating speed information meeting the preset requirements are sent to an upper computer through a communication module in a preset communication mode, and the method comprises the following steps:
storing the torque signal and the rotating speed signal received from the range extender as messages by using preset data bits to obtain messages containing the torque signal and the rotating speed signal of the range extender;
and sending messages containing the torque signals and the rotating speed signals of the range extender to an upper computer in a preset message format.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4535412A (en) * | 1981-11-06 | 1985-08-13 | Ford Motor Company | Drivetrain torque determination using torque converter characteristics |
| EP0250684A1 (en) * | 1986-06-27 | 1988-01-07 | Hitachi, Ltd. | Internal combustion engine equipped with a torque controller |
| JPH05231968A (en) * | 1992-02-24 | 1993-09-07 | Ono Sokki Co Ltd | Torque detector |
| US20110231146A1 (en) * | 2010-03-16 | 2011-09-22 | National Cheng Kung University | System and method for estimating torque and rotational speed of motor |
| JP2015171293A (en) * | 2014-03-10 | 2015-09-28 | 株式会社東芝 | Control device and control method |
| CN108515849A (en) * | 2018-04-03 | 2018-09-11 | 浙江吉利控股集团有限公司 | Generator torque control method, distance increasing unit and electric vehicle based on distance increasing unit |
| CN109795475A (en) * | 2019-01-21 | 2019-05-24 | 东风航盛（武汉）汽车控制***有限公司 | Extended-range hybrid power Poewr control method |
| CN111504652A (en) * | 2020-04-26 | 2020-08-07 | 上海元城汽车技术有限公司 | Bench test method, device, equipment and storage medium of range extender |
| CN111896269A (en) * | 2020-07-28 | 2020-11-06 | 华人运通(江苏)技术有限公司 | Motor rack testing method and system |
-
2022
- 2022-04-11 CN CN202210375314.4A patent/CN114754814B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4535412A (en) * | 1981-11-06 | 1985-08-13 | Ford Motor Company | Drivetrain torque determination using torque converter characteristics |
| EP0250684A1 (en) * | 1986-06-27 | 1988-01-07 | Hitachi, Ltd. | Internal combustion engine equipped with a torque controller |
| JPH05231968A (en) * | 1992-02-24 | 1993-09-07 | Ono Sokki Co Ltd | Torque detector |
| US20110231146A1 (en) * | 2010-03-16 | 2011-09-22 | National Cheng Kung University | System and method for estimating torque and rotational speed of motor |
| JP2015171293A (en) * | 2014-03-10 | 2015-09-28 | 株式会社東芝 | Control device and control method |
| CN108515849A (en) * | 2018-04-03 | 2018-09-11 | 浙江吉利控股集团有限公司 | Generator torque control method, distance increasing unit and electric vehicle based on distance increasing unit |
| CN109795475A (en) * | 2019-01-21 | 2019-05-24 | 东风航盛（武汉）汽车控制***有限公司 | Extended-range hybrid power Poewr control method |
| CN111504652A (en) * | 2020-04-26 | 2020-08-07 | 上海元城汽车技术有限公司 | Bench test method, device, equipment and storage medium of range extender |
| CN111896269A (en) * | 2020-07-28 | 2020-11-06 | 华人运通(江苏)技术有限公司 | Motor rack testing method and system |
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