CN105865804B - A kind of the engine bench test system and test method of distributed energy feed system - Google Patents
A kind of the engine bench test system and test method of distributed energy feed system Download PDFInfo
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- CN105865804B CN105865804B CN201610237303.4A CN201610237303A CN105865804B CN 105865804 B CN105865804 B CN 105865804B CN 201610237303 A CN201610237303 A CN 201610237303A CN 105865804 B CN105865804 B CN 105865804B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/005—Testing of electric installations on transport means
- G01R31/006—Testing of electric installations on transport means on road vehicles, e.g. automobiles or trucks
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Abstract
The invention discloses a kind of engine bench test system of distributed energy feed system and test methods, including rack, rack is equipped with power follower group, fuel supply and acquisition system, drive system control system, drive system, battery simulator system and distributed system energy management unit, the engine bench test system of distributed energy feed system further includes test load and test load control system, it is equipped with several power followers in power follower group, is equipped with power follower energy management unit in each power follower.The engine bench test system and test method of distributed energy feed system can combine offer energy resource supply offer with power battery to double distance increasing units or more distance increasing units and accurately and effectively test, true, effective test data is obtained, provides effective support for vehicle matching and control algolithm.
Description
Technical field
The present invention relates to automotive performance testing fields, refer in particular to a kind of engine bench test system of distributed energy feed system
System and test method.
Background technique
Using energy mix driving vehicle be it is a kind of between conventional truck and pure power battery provide driven by energy vehicle it
Between transiens vehicle, have conventional truck and pure power battery concurrently and some advantages of driven by energy vehicle be provided, such as low emission, height
Efficiency and course continuation mileage are long etc..Currently on the market using energy mix driving vehicle mainly using single distance increasing unit and single dynamic
Power battery joint provides energy resource supply.
It cannot be double distance increasing units or more distance increasing units and its control system but in the test method to energy mix driving vehicle
System builds test structure, and cannot with the main object of the vehicle of actual match as its system testing, in implementation process
Multiple protective cannot be carried out to the component of test macro, real-time, synchronous test data cannot be obtained, it cannot be to distribution
Dynamical system automobile research gives significant data support.China Patent Publication No. CN102252856A, publication date in November, 2011
23, it is dynamic that a kind of electric car is disclosed in the patent of invention of entitled " a kind of power system of electric automobile assembly test macro "
Force system assembly test macro, including computer module, power supply, CAN bus unit, power control unit, security monitoring unit,
Onboard charger unit, battery pack administrative unit, motor control unit, electric motor units, the first battery module, the second battery mould
Block, electric motor units include first motor and the second motor, and the rotor of first motor and second unit is connected.The present invention is same by two sets
Electric motor units, motor control unit, battery pack control unit, the onboard charger unit of sample are combined together.By electric by two
Machine is cascaded, to realize energy in electric motor units interaction.But the system is not suitable for distributed energy feed system
Engine bench test.
Summary of the invention
The purpose of the present invention is overcome the prior art to shortage in the test method of energy mix driving vehicle to double increasing journeys
Device or more distance increasing units combine the shortcomings that test method for providing energy resource supply with power battery, provide a kind of distributed energy supply
The engine bench test system and test method of system.
The purpose of the present invention is be achieved by following technical proposals:
A kind of engine bench test system of distributed energy feed system, including rack, rack be equipped with power follower group,
Fuel supply and acquisition system, drive system control system, drive system, battery simulator system and distributed system energy pipe
Unit is managed, the engine bench test system of distributed energy feed system further includes test load and test load control system, power
It is equipped with several power followers in follower group, is equipped with power follower energy management unit in each power follower,
Connected between several power follower energy management units by CAN bus, test load and test load control system it
Between pass through CAN bus connect, fuel supply and acquisition system, drive system control system, drive system, test load control system
System, battery simulator system, distributed system energy management unit are connected with CAN bus, power follower group, battery mould
Quasi- device system and distributed system energy unit pass through high pressure forceful electric power and are connected with drive system control system, drive system control
System processed is connected by high pressure forceful electric power with drive system, and fuel supply and acquisition system are used for each in power follower group
A power follower gas supply, drive system are connected by mechanical energy with test load.
Power follower refers to the distance increasing unit that function is followed with vehicle power, i.e., by engine fuel, generator and control
The generating set for converting chemical energy to electric energy of device composition processed.Power follower group, using the combination of multiple power followers,
According to the demand of current vehicle, the power follower work of different number can be opened, it is in distributed energy management solutions unit
Power output can be converted into direct current mother from the chemical energy of engine each independently according to the demand of vehicle energy under control
Drive system is supplied on line.Power battery is connected on common DC bus by power cable, in distributed system energy pipe
Pass through common DC bus under the control of reason unit and carries out charge or discharge；Distributed system energy management unit is according to current whole
Energy state needed for vehicle driving cycle and drive system carries out the energy that power follower group and power battery can be provided excellent
Change combination, guarantees that all parts play most efficient capacity usage ratio, power battery is by battery simulator system in the present invention
Substitution；These electric energy are transported to drive system by common DC bus, to turn under the control of its drive system control system
It is changed to the transmission system drives vehicle driving that mechanical energy passes to vehicle.
Distributed system energy management unit can be to power with the power follower energy management unit and battery mould of device group
Quasi- device system, drive system control system, test load control system, fuel supply and acquisition system carry out CAN communication, in real time
Monitor the operating status and transmission test data of each system.And when the component of system breaks down, distributed system energy
Administrative unit gives power follower energy management unit, drive system control system, battery simulator system, fuel delivery simultaneously
And acquisition system, test load control system hair processing signal, an emergency situation is encountered can also emergent stopping.
As a preferred embodiment, the engine bench test system of distributed energy feed system further includes power analysis equipment,
Power analysis equipment is connected with CAN bus.
Using power analysis equipment, the synchronous method for implementing acquisition drive system and power follower group efficiency is protected respectively
The transient condition data property looked into is demonstrate,proved.Avoid test load control system and drive system, fuel supply and acquisition system it
Between because asynchronous generation the asynchronous vehicle analysis of security risk and data risk.
For example, the tach signal issued is by distributed system energy when overspeed alarming occurs in drive system control system
Amount administrative unit receives this signal, and emergent stopping processing signal is fed back to driving by the control logic pre-set by it
System control sytsem and power follower energy management unit, while being also fed back to fuel supply and acquisition system and test load
Control system.Driving control system requires to carry out driving motor shutdown or emergency stop command；Power follower keyholed back plate reason
Unit requires to carry out engine controller and engine controller shutdown or emergency stop command simultaneously；Fuel is supplied and is adopted
The supply of collecting system emergent stopping fuel；Test load control system carries out shutdown or emergent stopping.
As a preferred embodiment, the quantity of power follower is 2-4.
A kind of stand test method of distributed energy feed system, the following steps are included:
Step 1, test load control system first obtains the relevant parameter of vehicle, and then test load control system is to typical case
Operating condition carries out simulation analysis, and the work step parameter after simulation analysis controls test load for test load control system；
Step 2, test load control system issues analog load signals and gives distributed system energy management unit, then divides
Cloth system capacity administrative unit is supplied and is adopted to battery simulator system, drive system control system, fuel by CAN signal
Collecting system and power follower energy management unit synchronize operating control, and test load control system is according to simulation analysis
Work step starts to carry out automatic cycle testing；
Step 3, battery simulator system, drive system control system, fuel supply and acquisition system and power follower
The data of energy management unit are communicated by CAN bus and issue test load control system by distributed system energy management unit
It is recorded.
It as a preferred embodiment, further include that power analysis equipment synchronizes acquisition drive system and power in real time in step 3
The efficiency data of follower group, efficiency data are communicated to issue to test by distributed system energy management unit by CAN bus and be born
Borne control system is recorded.
The invention has the advantages that the engine bench test system and test method of distributed energy feed system can be to double increasings
Journey device or more distance increasing units are combined offer energy resource supply offer with power battery and are accurately and effectively tested, and obtain true, effective
Test data, for vehicle matching and control algolithm effective support is provided.
Detailed description of the invention
Fig. 1 is a kind of circuit theory connection figure of the invention；
Fig. 2 is another circuit theory connection figure of the invention.
Wherein: 1, power follower group, 2, fuel supply and acquisition system, 3, drive system control system, 4, driving system
System, 5, test load, 6, test load control system, 7, battery simulator system, 8, power analysis equipment, 9, distributed system
Energy management unit, 11, power follower, 111, power follower energy management unit.
Specific embodiment
The present invention is further described with reference to the accompanying drawings and examples.
Embodiment 1: a kind of engine bench test system of distributed energy feed system, circuit theory connection figure such as Fig. 1 institute
Show, including rack, rack is equipped with power follower group 1, fuel supply and acquisition system 2, drive system control system 3, drives
Dynamic system 4, battery simulator system 7 and distributed system energy management unit 9, the engine bench test of distributed energy feed system
System further includes test load 5 and test load control system 6, is equipped with several power followers 11 in power follower group,
Power follower energy management unit 111 is equipped in each power follower, several power follower energy management units
Between by CAN bus connect, between test load and test load control system by CAN bus connect, fuel supply and
Acquisition system, drive system control system, drive system, test load control system, battery simulator system, distributed system
Energy management unit is connected with CAN bus, power follower group, battery simulator system and distributed system energy unit
It is connected by high pressure forceful electric power with drive system control system, drive system control system passes through high pressure forceful electric power and drive system
It is connected, fuel supply and acquisition system are used to supply each power follower in power follower group, and drive system is logical
Mechanical energy is crossed to be connected with test load.
Power follower refers to the distance increasing unit that function is followed with vehicle power, i.e., by engine fuel, generator and control
The generating set for converting chemical energy to electric energy of device composition processed.Power follower group, using the combination of multiple power followers,
According to the demand of current vehicle, the power follower work of different number can be opened, it is in distributed energy management solutions unit
Power output can be converted into direct current mother from the chemical energy of engine each independently according to the demand of vehicle energy under control
Drive system is supplied on line.Power battery is connected on common DC bus by power cable, in distributed system energy pipe
Pass through common DC bus under the control of reason unit and carries out charge or discharge；Distributed system energy management unit is according to current whole
Energy state needed for vehicle driving cycle and drive system carries out the energy that power follower group and power battery can be provided excellent
Change combination, guarantees that all parts play most efficient capacity usage ratio, power battery is by battery simulator system in the present invention
Substitution；These electric energy are transported to drive system by common DC bus, to turn under the control of its drive system control system
It is changed to the transmission system drives vehicle driving that mechanical energy passes to vehicle.
A kind of stand test method of distributed energy feed system, the following steps are included:
Step 1, test load control system first obtains the relevant parameter of vehicle, and then test load control system is to typical case
Operating condition carries out simulation analysis, and the work step parameter after simulation analysis controls test load for test load control system；
Step 2, test load control system issues analog load signals and gives distributed system energy management unit, then divides
Cloth system capacity administrative unit is supplied and is adopted to battery simulator system, drive system control system, fuel by CAN signal
Collecting system and power follower energy management unit synchronize operating control, and test load control system is according to simulation analysis
Work step starts to carry out automatic cycle testing；
Step 3, battery simulator system, drive system control system, fuel supply and acquisition system and power follower
The data of energy management unit are communicated by CAN bus and issue test load control system by distributed system energy management unit
It is recorded.
Embodiment 2, a kind of engine bench test system of distributed energy feed system, principle and implementation method and embodiment
1 is essentially identical, and difference is as shown in Fig. 2, further include power analysis equipment, power analysis equipment is connected with CAN bus.Step
It further include that power analysis equipment synchronizes the efficiency data of acquisition drive system and power follower group in real time, efficiency data in rapid 3
Test load control system is issued by distributed system energy management unit by CAN bus communication to be recorded.
When overspeed alarming occurs in drive system control system, the tach signal issued is by distributed system energy management
Unit receives this signal, and emergent stopping processing signal is fed back to drive system control by the control logic pre-set by it
System processed and power follower energy management unit, while being also fed back to fuel supply and acquisition system and test load control system
System.Driving control system requires to carry out driving motor shutdown or emergency stop command；Power follower control unit is same
Shi Yaoqiu carries out shutdown or emergency stop command to engine controller and engine controller；Fuel supply and acquisition system
The supply of emergent stopping fuel；Test load control system carries out shutdown or emergent stopping.
Claims (5)
1. a kind of engine bench test system of distributed energy feed system, characterized in that including rack, rack be equipped with power with
With device group, fuel supply and acquisition system, drive system control system, drive system, battery simulator system and distributed system
System energy management unit, the engine bench test system of distributed energy feed system further include test load and test load control system
System, power follower group is interior to be equipped with several power followers, is equipped with power follower energy pipe in each power follower
Unit is managed, is connected between several power follower energy management units by CAN bus, test load and test load control
It is connected between system by CAN bus, fuel supply and acquisition system, drive system control system, drive system, test load
Control system, battery simulator system, distributed system energy management unit are connected with CAN bus, power follower group
It is connected simultaneously with battery simulator system and drive system control system by high pressure forceful electric power, battery simulator system passes through height
Pressure electricity is connected with drive system control system, and drive system control system is connected by high pressure forceful electric power with drive system,
Fuel supply and acquisition system are used to supply each power follower in power follower group, and drive system passes through mechanical energy
Amount is connected with test load；Power follower refers to the distance increasing unit that function is followed with vehicle power, i.e., by engine fuel,
The generating set for converting chemical energy to electric energy of generator and controller composition；Power follower group, using multiple power with
The power follower work of different number can be opened, it is in distributed energy according to the demand of current vehicle with the combination of device
It is defeated that electric energy can be converted into from the chemical energy of engine each independently according to the demand of vehicle energy under the control of administrative unit
Out to supplying drive system on DC bus.
2. a kind of engine bench test system of distributed energy feed system according to claim 1, characterized in that further include
Power analysis equipment, power analysis equipment are connected with CAN bus.
3. a kind of engine bench test system of distributed energy feed system according to claim 1 or 2, characterized in that institute
The quantity for the power follower stated is 2-4.
4. a kind of stand test method based on distributed energy feed system described in claim 1, characterized in that including with
Lower step:
Step 1, test load control system first obtains the relevant parameter of vehicle, and then test load control system is to typical condition
Simulation analysis is carried out, the work step parameter after simulation analysis controls test load for test load control system；
Step 2, test load control system issues analog load signals and gives distributed system energy management unit, then distributed
System capacity administrative unit is supplied by CAN signal to battery simulator system, drive system control system, fuel and acquisition is
System and power follower energy management unit synchronize operating control, test load control system according to simulation analysis work step
Start to carry out automatic cycle testing；
Step 3, battery simulator system, drive system control system, fuel supply and acquisition system and power follower energy
The data of administrative unit are communicated by CAN bus and issue the progress of test load control system by distributed system energy management unit
Record.
5. a kind of stand test method of distributed energy feed system according to claim 4, characterized in that described
It further include that power analysis equipment synchronizes the efficiency data of acquisition drive system and power follower group in real time, efficiency numbers in step 3
It is recorded according to test load control system is issued by distributed system energy management unit by CAN bus communication.
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| CN111678709B (en) * | 2020-06-16 | 2021-04-30 | 山东大学 | Electric vehicle distributed networked test system and method based on cloud platform |
| US11474160B2 (en) | 2020-08-18 | 2022-10-18 | Rohde & Schwarz Gmbh & Co. Kg | Battery emulation apparatus |
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