CN102999043A - Vehicle control unit simulation test system of hybrid vehicle - Google Patents
Vehicle control unit simulation test system of hybrid vehicle Download PDFInfo
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- CN102999043A CN102999043A CN2012105486587A CN201210548658A CN102999043A CN 102999043 A CN102999043 A CN 102999043A CN 2012105486587 A CN2012105486587 A CN 2012105486587A CN 201210548658 A CN201210548658 A CN 201210548658A CN 102999043 A CN102999043 A CN 102999043A
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- 238000012360 testing method Methods 0.000 title claims abstract description 16
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Abstract
The invention relates to a simulation test system for a vehicle control unit of a hybrid vehicle, which comprises simulation equipment and a simulation monitoring unit; the simulation equipment comprises an engine unit, a super capacitor unit, a motor unit, a load unit and a communication unit; the engine unit, the super capacitor unit, the motor unit, the load unit and the simulation monitoring unit are respectively connected with the communication unit; the super capacitor unit is also connected with the motor unit. The simulation test system can test the control logic and control algorithm of the whole vehicle controller in detail under different working conditions according to the parameters (such as working conditions, load-related parameters and the like) input into the load unit, reduce the problems encountered in the actual operation process of the equipment, improve the research and development efficiency and reduce the test cost.
Description
Technical field
The present invention relates to the entire car controller of motor vehicle driven by mixed power, relate in particular to a kind of simulated measuring system for whole vehicle controller of motor vehicle driven by mixed power.
Background technology
Along with the develop rapidly of world economy and science and technology, the research and development of products cycle must shorten in order to enhance competitiveness in enterprise.In engineering machinery row field, computer simulation technique begins to be applied to gradually control system, mechanical system, hydraulic system, dynamics research, and becomes strong instrument and means that enterprise earns a profit from market competition.
Patent documentation CN100347621C discloses a kind of controller simulation test macro.It by real-time monitoring system, entire car controller to be measured, configurable signal processing apparatus, industrial computer analog platform, data collecting card, and the CAN network form; The industrial computer analog platform links to each other with data collecting card by pci bus; Data line by special use between data collecting card and the configurable signal processing apparatus carries out exchanges data, and adopts standard interface to link to each other with entire car controller to be measured; The CAN signal that the industrial computer analog platform produces or receives is connected with entire car controller communication to be measured by pci bus, CAN address card, CAN bus.
The technology that adopts in the technique scheme is only carried out emulation for the whole vehicle controller that only has a kind of power source, and along with the enhancing of national environmental consciousness, PHEV begins to move towards gradually society, and above-mentioned technical scheme can not be carried out emulation to the entire car controller of motor vehicle driven by mixed power.
Summary of the invention
The simulated measuring system for whole vehicle controller that the objective of the invention is a kind of motor vehicle driven by mixed power, it can solve the simulation problems of the entire car controller of motor vehicle driven by mixed power.
The invention provides a kind of simulated measuring system for whole vehicle controller of motor vehicle driven by mixed power, this emulation test system comprises emulator and emulation monitoring means; Described emulator comprises engine unit, super capacitor unit, electric motor units, load unit and communication unit; Described engine unit, super capacitor unit, electric motor units, load unit and emulation monitoring means are connected with described communication unit respectively; Described super capacitor unit also is connected with described electric motor units.
Emulation test system of the present invention is according to the parameter of input load unit (operating mode for example, the parameter that load is relevant etc.) can be under different operating modes steering logic and the control algolithm of DCO entire car controller, this is owing to just can determine rotating speed in case inputted operating mode, input load relevant parameter and just can determine the size of load, thereby can be according to engine unit, the result of the feedback such as motor unit and super capacitor comes steering logic and the control algolithm of test controller, this can reduce the problem that equipment runs in actual moving process, improve efficiency of research and development, reduce testing cost.
Other features and advantages of the present invention will partly be described in detail in embodiment subsequently.
Description of drawings
Accompanying drawing is to be used to provide a further understanding of the present invention, and consists of the part of instructions, is used from explanation the present invention with following embodiment one, but is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is based on the motor vehicle driven by mixed power simulated measuring system for whole vehicle controller schematic diagram of emulator;
Fig. 2 is motor vehicle driven by mixed power simulated measuring system for whole vehicle controller schematic diagram provided by the invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is elaborated.Should be understood that, embodiment described herein only is used for description and interpretation the present invention, is not limited to the present invention.
Fig. 1 has shown the motor vehicle driven by mixed power simulated measuring system for whole vehicle controller based on emulator, can comprise emulator, emulation monitoring means and watch-dog.This emulator can be dSPACE equipment.This equipment comprises processor, memory device (can store the motor vehicle driven by mixed power model), analog input and output (IO) module, digital quantity IO module, high-frequency signal module, signal condition unit and communication unit.Entire car controller is Devices to test.Emulator can drive the IO module and produce the required IO signal of emulation, and the IO signal exports entire car controller to by the signal condition unit.Communication unit can carry out IO communication, also can carry out fieldbus (CAN bus) communication.
Fig. 2 is motor vehicle driven by mixed power simulated measuring system for whole vehicle controller schematic diagram provided by the invention, not shown emulation monitoring means.As shown in Figure 2, the simulated measuring system for whole vehicle controller of motor vehicle driven by mixed power provided by the invention comprises emulator and emulation monitoring means (not shown); This emulation test system comprises emulator and emulation monitoring means; Described emulator comprises engine unit, super capacitor unit, electric motor units, load unit and communication unit; Described engine unit, super capacitor unit, electric motor units, load unit and emulation monitoring means are connected with described communication unit respectively.Described load unit will be related with load parameter input described entire car controller to be measured through described communication unit, for example front pump pressure, rear pump pressure and flow, entire car controller to be measured goes out the bearing power demand according to the described calculation of parameter related with load, the parameter related with the engine unit output power according to this bearing power demand calculating, and the parameter related with the engine unit output power sent to engine unit, the described parameter related with the engine unit output power for example is described engine unit rotating speed.Because in some cases, the output power of engine unit can not satisfy the demands, need motor unit work this moment, therefore in the peak power output of described engine unit during less than described bearing power, described entire car controller to be measured sends the discharge instruction to described super capacitor, described super capacitor discharge, and in the peak power output of described engine unit during less than described bearing power, described entire car controller to be measured calculate according to the difference of described bearing power and the output power of described engine unit with the related parameter of electric motor units output power, and will be somebody's turn to do the parameter related with the electric motor units output power and be sent to electric motor units, should parameter related with the electric motor units output power for example be the electronic torque of electric motor units.When energy that described super capacitor is stored is less than preset value, described entire car controller to be measured also sends and the electric motor units related parameter that recovers energy to electric motor units, so that described electric motor units is the charging of described super capacitor, described and the electric motor units related parameter that recovers energy is the generating torque of described electric motor units.Can realize by this emulation test system by this emulation of the entire car controller of motor vehicle driven by mixed power, thereby the problem that minimizing equipment runs into improves efficiency of research and development, reduces testing cost in actual moving process.
The emulation monitoring means can be monitored IO signal and the CAN bus signals of entire car controller in real time, and can change the parameter of engine unit, super capacitor unit, electric motor units and load unit, thereby reach the effect that changes the IO signal, whether normal with the operation by the monitoring of IO signal being judged entire car controller.Described watch-dog can be display, can show in real time the signal that entire car controller feeds back in the CAN bus.
Particularly, described electric motor units also is used for receiving the charging instruction that described entire car controller to be measured sends, and recovers energy related parameter also as described super capacitor charging to receive with electric motor units.
Preferably, described motor comprises turning motor and stand-by motor.
The present invention describes as an example of excavator example.In the process of emulation, need to set up the universal characteristic model of engine, this universal characteristic model is a kind of nonlinear function between specific fuel consumption and rotating speed and the torque, this function is shown below:
g
e=p
00+p
10×x+p
01×y+p
20×x
2+p
11×x×y+p
02×y
2；；
G wherein
eBe specific fuel consumption, x is the engine unit rotating speed, and y is the engine unit output torque, p
00∈ (147.7,187.4), p
10∈ (0.05564 ,-0.003047), p
01∈ (0.2376 ,-0.1816), p
20∈ (3.627 * 10
-6, 2.099 * 10
-5), p
11∈ (2.203 * 10
-5, 9.746 * 10
-7), p
02∈ (0.0002058,0.0002629).The power calculation function of engine unit is as follows:
P=x×y/9550；
Universal characteristic model and load according to engine unit, entire car controller can search out the most economical working point of satisfying power demand, obtain the constant power curve of engine unit according to the power calculation function, seek the point of contact of constant power curve and specific fuel consumption curve, be the most economical working point under this power, under this most economical working point, can obtain the engine unit rotating speed.If the power of engine unit can satisfy the requirement of load, so entire car controller only control engine carry out work, and the rotating speed during with most economical work be sent to engine unit (rotating speed is relevant with operating mode, operating mode can be underloading pattern, economic model, in carry pattern and heavily loaded pattern; In case selected operating mode, rotating speed is just selected).According to the signal of entire car controller feedback, the researchist just can judge whether the work-based logic of entire car controller and control algolithm be effective.
If the power of engine can not satisfy the requirement of load, entire car controller can calculate the power that power (for example can be the peak power under the current rotating speed) that engine need to export and motor need to be exported.The rotating speed of motor is general identical with the rotating speed of engine.The electronic torque that inquires motor according to rotating speed and the motoring condition characteristic curve of motor, and feed back to electric motor units; Dtc signal can show at watch-dog.When super capacitor need to charge, the generating torque that entire car controller inquires motor according to rotating speed and the generating state characteristic curve of motor, thereby charging performance that can the test mixing power car.
The capacitance of super capacitor (C)=electric current (I) * time (T);
Super capacitor operating voltage V:
N represents a certain moment, and n+1 represents next moment of n, and Δ t represents the mistiming of n and n+1.
Super capacitance cell state-of-charge SOC:
V is the current voltage value, V
MaxBe voltage max;
Super capacitor output ENERGY E: E=0.5CV
Max 2-0.5CV
Min 2, [V
Max, V
Min] the rational operating voltage range of expression super capacitor, V
MinBe voltage minimum.
Super capacitor equivalent internal resistance R:R=98 milliohm; Super capacitor efficient:
I
dDischarge current, I
cIt is charging current; U (t) expression is with time dependent amount.
Charge efficiency:
U
Cmax, U
CminInitial sum cut-off voltage during the expression charging.
Discharging efficiency:
U
Dmax, U
DminInitial sum cut-off voltage during the expression discharge.
In excavator when work,, the integrality of load can be embodied by front and back delivery side of pump pressure, so entire car controller can obtain the bearing power demand according to front pump pressure, rear pump pressure and flow rate calculation, and rating formula is: P=pressure * flow.Can judge according to this power demand whether engine output can meet the demands, and in the time can not satisfying the requiring of output power, can export corresponding power by drive motor.
Preferably, described emulator is connected with the emulation monitoring means by Ethernet or optical fiber; This system also comprises watch-dog, and described watch-dog is connected with described communication unit.
In the process of actual emulation, can to engine unit, super capacitor unit, electric motor units and load unit etc. different initial parameters be set according to the demand of reality.Table 1 has shown the input parameter of each unit, and each parameter can export entire car controller to by IO or bus in the table.
Table 1
Need to prove, above parameter is only made example, and those skilled in the art can increase and decrease according to the demand of reality the parameter of input, and can reach the purpose to the emulation of motor vehicle driven by mixed power entire car controller.
Below describe by reference to the accompanying drawings preferred implementation of the present invention in detail; but; the present invention is not limited to the detail in the above-mentioned embodiment; in technical conceive scope of the present invention; can carry out multiple simple variant to technical scheme of the present invention, these simple variant all belong to protection scope of the present invention.
Need to prove that in addition each the concrete technical characterictic described in above-mentioned embodiment in reconcilable situation, can make up by any suitable mode.For fear of unnecessary repetition, the present invention is to the no longer separately explanation of various possible array modes.
In addition, also can carry out combination in any between the various embodiment of the present invention, as long as it is without prejudice to thought of the present invention, it should be considered as content disclosed in this invention equally.
Claims (9)
1. the simulated measuring system for whole vehicle controller of a motor vehicle driven by mixed power, this emulation test system comprises emulator and emulation monitoring means; It is characterized in that, described emulator comprises engine unit, super capacitor unit, electric motor units, load unit and communication unit;
Described engine unit, super capacitor unit, electric motor units, load unit and emulation monitoring means are connected with described communication unit respectively;
Described super capacitor unit also is connected with described electric motor units.
2. system according to claim 1 is characterized in that,
Described load unit is inputted described entire car controller to be measured for parameter that will be related with load through described communication unit;
Described engine unit be used for receiving entire car controller to be measured according to the described calculation of parameter related with load go out the bearing power demand and according to this bearing power demand calculating with the related parameter of engine unit output power.
3. system according to claim 2 is characterized in that, when described super capacitor is used for peak power output at described engine unit less than described bearing power, receives the discharge instruction that described entire car controller to be measured sends; Described electric motor units receive when being used for peak power output at described engine unit less than described bearing power described entire car controller to be measured according to the difference calculating of described bearing power and the output power of described engine unit with the related parameter of electric motor units output power.
4. system according to claim 3 is characterized in that, described electric motor units also is used for receiving the charging instruction that described entire car controller to be measured sends, and recovers energy related parameter also as described super capacitor charging to receive with electric motor units.
5. each described system of described claim is characterized in that according to claim 1-4, and described electric motor units comprises turning motor unit and stand-by motor unit.
6. system according to claim 4 is characterized in that, the described parameter related with the electric motor units output power is the electronic torque of described electric motor units, and/or described and the electric motor units related parameter that recovers energy is the generating torque of described electric motor units.
7. system according to claim 6, it is characterized in that, it is characterized in that, the electronic torque of described electric motor units is to inquire about the motoring condition characteristic curve according to the rotating speed of described engine unit to obtain, and the generating torque of described electric motor units is to inquire about the motoring condition characteristic curve according to the rotating speed of described engine unit to obtain.
8. system according to claim 2 is characterized in that, described bearing power demand obtains according to front pump pressure, rear pump pressure and flow rate calculation.
9. system according to claim 2 is characterized in that, described emulator is connected with the emulation monitoring means by Ethernet or optical fiber;
This system also comprises watch-dog, and described watch-dog is connected with described communication unit.
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353646A (en) * | 2015-11-04 | 2016-02-24 | 中国电子科技集团公司第四十一研究所 | Method and device for realizing instrument interface simulation |
| CN105416086A (en) * | 2015-12-29 | 2016-03-23 | 北京理工大学 | Hardware-in-the-loop simulation platform for energy management strategies of plug-in hybrid electric vehicle |
| CN105700512A (en) * | 2016-01-26 | 2016-06-22 | 北京长城华冠汽车科技股份有限公司 | A test system for testing a vehicle control system and a method thereof |
| CN107145082A (en) * | 2017-07-11 | 2017-09-08 | 河北工业大学 | A kind of plug-in hybrid-power automobile entire car controller emulation platform |
| CN109814404A (en) * | 2019-01-22 | 2019-05-28 | 东风航盛（武汉）汽车控制系统有限公司 | The assemblage on-orbit calibration system and scaling method of entire car controller |
| CN111016922A (en) * | 2019-12-05 | 2020-04-17 | 浙江吉利控股集团有限公司 | An energy management system and method for optimal split torque of a single-motor hybrid power system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105353646A (en) * | 2015-11-04 | 2016-02-24 | 中国电子科技集团公司第四十一研究所 | Method and device for realizing instrument interface simulation |
| CN105416086A (en) * | 2015-12-29 | 2016-03-23 | 北京理工大学 | Hardware-in-the-loop simulation platform for energy management strategies of plug-in hybrid electric vehicle |
| CN105700512A (en) * | 2016-01-26 | 2016-06-22 | 北京长城华冠汽车科技股份有限公司 | A test system for testing a vehicle control system and a method thereof |
| CN105700512B (en) * | 2016-01-26 | 2019-06-21 | 北京长城华冠汽车科技股份有限公司 | Test system and method for testing vehicle control system |
| CN107145082A (en) * | 2017-07-11 | 2017-09-08 | 河北工业大学 | A kind of plug-in hybrid-power automobile entire car controller emulation platform |
| CN109814404A (en) * | 2019-01-22 | 2019-05-28 | 东风航盛（武汉）汽车控制系统有限公司 | The assemblage on-orbit calibration system and scaling method of entire car controller |
| CN111016922A (en) * | 2019-12-05 | 2020-04-17 | 浙江吉利控股集团有限公司 | An energy management system and method for optimal split torque of a single-motor hybrid power system |
| CN111016922B (en) * | 2019-12-05 | 2021-02-19 | 浙江吉利控股集团有限公司 | Energy management system and method for optimizing torque division of single-motor hybrid power system |
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Application publication date: 20130327 |