CN105928715B - Simulated dual motor driven electric car regenerative braking performance test stand and test method - Google Patents
Simulated dual motor driven electric car regenerative braking performance test stand and test method Download PDFInfo
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- CN105928715B CN105928715B CN201610458901.4A CN201610458901A CN105928715B CN 105928715 B CN105928715 B CN 105928715B CN 201610458901 A CN201610458901 A CN 201610458901A CN 105928715 B CN105928715 B CN 105928715B
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- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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- G01M17/007—Wheeled or endless-tracked vehicles
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Abstract
The invention discloses a kind of simulated dual motor driven electric car regenerative braking performance test stand and test method, which includes horizontal rack, front-wheel shafting simulation mechanism, trailing wheel shafting simulation mechanism and load simulation mechanism；Trailing wheel shafting simulation mechanism includes hind axle, hind axle driving mechanism and mechanical brake, and hind axle includes left half axle and right axle shaft, and hind axle driving mechanism includes left driving motor and right driving motor；Mechanical brake includes brake disc behind left back brake disc and the right side；Left driving motor and right driving motor composition regenerative braking simulation system；Load simulation mechanism includes left side loading motor and right side loading motor；The test method includes step：First, test parameters is set；2nd, braking mode selects；3rd, stablize traveling simulation before braking；4th, loading simulation is loaded；5th, regenerative braking is simulated.Reasonable design of the present invention and it is easy to use, using effect is good, can effective simulated dual motor driven electric car regenerative braking operating mode.
Description
Technical field
The invention belongs to electric vehicle brake performance simulation experimental technique fields, are driven more particularly, to a kind of simulation bi-motor
Dynamic electric vehicle regenerative braking performance test stand and test method.
Background technology
Nowadays, the energy and environment problem in worldwide becomes increasingly conspicuous, therefore electric vehicle becomes future automobile
One of inexorable trend of development.The importance that the braking process of electric vehicle is different from traditional combustion engine automobile is exactly again
The application of raw braking technology.The regenerative braking of electric vehicle, exactly generating opposing torque using the electric braking of motor makes vehicle
Slow down or stop.For induction machine, electric braking has reversing braking, DC injection braking and regenerative braking etc..It wherein, can be real
Now by the only regenerative braking of energy regenerating in brake process, essence is that the rotational frequency of rotor is more than the power supply of motor
Frequency, motor work in generating state, and mechanical energy is converted into electric energy is filled by the reversed fly-wheel diode of inverter to battery
Electricity.
It can stop in short distance during running car and maintain to be able to maintain that when travel direction stability and long descending certain
The ability of speed, referred to as automobile braking performance.Braking ability is one of important performance indexes of automobile, is directly related to traffic peace
Entirely, Way of Regenerating Energy Feedback and the premise utilized are to ensure safety.The advantages of regenerating braking energy recycles is sharp except that can improve energy
With outside rate, also the mechanical wear of the modes of braking such as reduction machinery, hydraulic pressure is, it can be achieved that more accurate control for brake and drop
Braking heat fading phenomenon generated due to temperature increases in low orthodox car braking process etc..
Electric vehicle brake can be divided into following Three models, and different mode should be aided with different control strategies.Three kinds of brakings
Pattern is as follows：(1) emergency braking：It is more than 2m/s corresponding to braking deceleration2Process, should be with the considerations of in terms of safety
Based on mechanical friction braking, electric braking only helps out；It, can be according to the difference of initial velocity, by vehicle when bringing to a halt
ABS controls provide corresponding mechanical friction brake force；(2) mild or moderate is braked：Corresponding to the braking of automobile in normal conditions
Journey, such as red light or parking etc. of pulling in, can be divided into moderating process and stopped process；Electric braking is responsible for moderating process, stops
Process is braked by mechanical friction and completed；(3) braking during the long descending of automobile：The long descending of electric vehicle typically occurs in sky way
During lower gentle slope, when required braking force is little, pure braking mode can be worked in completely.It can by three of the above braking mode
Know, other than emergency braking, other both of which can apply regenerative braking, and the energy feedback generated that will brake is female to direct current
Line charges the battery.
At present, electric vehicle Regenerative Braking Technology is increasingly taken seriously, but gos deep into research, and technical staff has found
Some technical problems are eager to need to solve, such as the problems such as the optimization in terms of control strategy and the matching of parameter.And solve above-mentioned ask
The effective ways of topic are exactly the method using simulation test, by the simulation test in product design and advanced development, by automobile
The defects of braking ability and insufficient exposure treatment, then by improving and solving to expose and identify defects of with insufficient, so as to improve
The braking ability of vehicle.Thus, a kind of simple in structure, reasonable design need to be designed and processing and fabricating and it is easy to use, use
The good simulated dual motor driven electric car regenerative braking performance test stand of effect, can effective simulated dual motor driven electric car
Regenerative braking operating mode, for improve vehicle braking performances reliable basis is provided.
Invention content
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that provide a kind of simulated dual electricity
Machine drives electric vehicle regenerative braking performance test stand, simple in structure, reasonable design and processing and fabricating and it is easy to use,
Using effect is good, can effective simulated dual motor driven electric car regenerative braking operating mode.
In order to solve the above technical problems, the technical solution adopted by the present invention is：A kind of simulated dual motor driven electric car
Regenerative braking performance test stand, it is characterised in that：Front-wheel shafting analog machine including horizontal rack, mounted on horizontal rack forepart
Structure, the trailing wheel shafting simulation mechanism on rear side of the front-wheel shafting simulation mechanism and to simulated electric automobile during traveling during
The load simulation mechanism simulated of load, the trailing wheel shafting simulation mechanism is mounted on horizontal rack rear portion；
The trailing wheel shafting simulation mechanism include hind axle, the hind axle driving mechanism being driven to the hind axle and
Mechanical brake on the hind axle, the hind axle include left half axle and right axle shaft, the hind axle driving machine
Structure includes the left driving motor being driven to the left half axle and the right driving motor being driven to the right axle shaft；It is described
Mechanical brake includes the left back brake disc being mounted on the left half axle and the brake disc behind the right side on the right axle shaft；
The left driving motor and right driving motor are separately mounted at left and right sides of horizontal rack, and the left half axle and the right axle shaft are equal
On horizontal rack；The left back brake disc by simulation electric vehicle the left back simulation simulated of left rear wheel
Wheel, it is described it is right after brake disc be to simulation electric vehicle the right side simulated of off hind wheel after simulation wheel；The left driving electricity
Machine and right driving motor composition simulate the regenerative braking simulation system of electric vehicle；
The front axle driving mechanism that the front-wheel shafting simulation mechanism includes front axle, is driven to the front axle,
And the left front brake disc at left and right sides of the front axle and right front brake disc；The front axle driving mechanism with it is described
It is sequentially connected between front axle by transmission mechanism, the front axle driving mechanism and the front axle are installed in level
On rack；The left front brake disc by simulation electric vehicle the left front simulation wheel simulated of the near front wheel, it is described it is right before
Brake disc by simulation electric vehicle the right front simulation wheel simulated of off-front wheel；
The load simulation mechanism includes left side loading motor and right side loading motor；The left driving motor and the left side
One end of semiaxis is sequentially connected, and the other end of the left side loading motor and the left half axle is sequentially connected；It is described
Right driving motor and one end of the right axle shaft are sequentially connected, the other end of the right side loading motor and the right axle shaft
It is sequentially connected.
Above-mentioned simulated dual motor driven electric car regenerative braking performance test stand, it is characterized in that：The left driving motor
It is permanent magnet synchronous motor with right driving motor；The left side loading motor and right side loading motor are alternating current generator.
Above-mentioned simulated dual motor driven electric car regenerative braking performance test stand, it is characterized in that：Further include monitoring system,
The monitoring system includes host computer, regenerative braking controller, loading motor controller, drive motor controller and front axle and drives
Movement controller, the left driving motor and right driving motor are controlled by drive motor controller and the two is electric with driving
Machine controller connects, the left side loading motor and right side loading motor is controlled by loading motor controller and the two is equal
It is connect with loading motor controller, the front axle driving mechanism is controlled by front axle drive control device and itself and front axle
Drive control device connects；The left driving motor and right driving motor are that the electricity of electric braking is carried out to simulated electric vehicle
Motivation and the two is controlled by regenerative braking controller, the left driving motor and right driving motor with regenerative braking control
Device connection processed；
The regenerative braking controller, loading motor controller, drive motor controller and front axle drive control device are equal
It is connect with host computer.
Above-mentioned simulated dual motor driven electric car regenerative braking performance test stand, it is characterized in that：The monitoring system is also
Including trailing wheel shafting rotation speed detection unit, the trailing wheel shafting rotation speed detection unit is to the left half axle, the right axle shaft, a left side
The rotation speed detection unit that the rotating speed of brake disc is detected in real time behind brake disc or the right side afterwards, the trailing wheel shafting rotation speed detection unit
It is connect with regenerative braking controller.
Above-mentioned simulated dual motor driven electric car regenerative braking performance test stand, it is characterized in that：Further include charging circuit
The rechargeable battery being connect with charging circuit, the left driving motor and right driving motor are connect with charging circuit；It is described
Monitoring system further includes the electric power detection unit detected in real time to the electricity of rechargeable battery, the electric power detection unit with
Regenerative braking controller connects；Brake disc, left front brake disc and right front brake disc are made by machinery behind the left back brake disc, the right side
Movement controller is controlled and it connect with mechanical braking controller；The monitoring system further include to left side loading motor and
The motor torque detection unit that the output torque of right side loading motor is detected in real time, the motor torque detection unit with again
Raw brake monitor connection.
Above-mentioned simulated dual motor driven electric car regenerative braking performance test stand, it is characterized in that：The horizontal rack is
Cube rack, the cube rack include horizontal base and the cube guardrail on horizontal base, described cube
The vertical rail that body guardrail is laid in by four above four side of horizontal base respectively is formed by connecting；
In parallel laying, the front axle is in horizontal layout for the left half axle, the right axle shaft and the front axle；
The front-wheel shafting simulation mechanism is mounted on the forward upper of horizontal base and it is located in cube guardrail；It is described
Left driving motor and right driving motor are installed in the upper back of horizontal base, and the left half axle and the right axle shaft are laid in
On same straight line and the two is in horizontal layout；The left half axle is mounted on the institute of horizontal base left upper portion by bearing
It states on vertical rail, the right axle shaft is mounted on the vertical rail of horizontal base right upper portion by the bearing
On；
The rear left of the cube guardrail be provided with supply left side loading motor place Left-side support plate, described cube
The rear right of body guardrail is provided with the Right side support plate that right side loading motor is supplied to place；The Left-side support plate and Right side support
Plate is respectively positioned in horizontal layout and the two on the outside of cube guardrail.
Meanwhile the invention also discloses a kind of method and step is simple, reasonable design and it is easy to use, realize it is convenient,
The method of the good simulated dual motor driven electric car regenerative braking performance test of using effect, which is characterized in that this method packet
Include following steps：
Step 1: test parameters is set：The running parameter of simulated electric vehicle is set by host computer；
Set running parameter include the driving power P1 of left driving motor and right driving motor, left side loading motor with
Left driving motor and right driving in the output torque N1 of right side loading motor, the working speed n0 of the hind axle and braking process
The output torque N2 of motor；Wherein, the unit of n0 is r/min；
Step 2: braking mode selects：The braking mode of electric vehicle is simulated by upper computer selecting；Institute
The composite braking pattern that the braking mode selected is combined for pure electric braking pattern or mechanical braking with electric braking；
Step 3: stablize traveling simulation before braking：The host computer is by driving power P1 and work set in step 1
Make rotating speed n0 and be sent to drive motor controller, left driving motor and right driving motor are distinguished using drive motor controller
It is controlled, it is P1 to make the power of left driving motor and right driving motor, and left driving motor and right driving motor are turned
Speed is adjusted to n0；Later, the torque of left driving motor and right driving motor is made to remain unchanged；
Step 4: load loading simulation：Output torque N1 set in step 1 is sent to loading by the host computer
Electric machine controller is respectively controlled left side loading motor and right side loading motor, and will be left using loading motor controller
Side loading motor and the output torque of right side loading motor are adjusted to N1；
Step 5: regenerative braking is simulated：The host computer is according to the braking mode selected in step 2, to institute's mould
Intend electric vehicle and carry out damped condition simulation；
When braking mode selected in step 2 is pure electric braking pattern, according to set by step 1
The output torque N2 of left driving motor and right driving motor, and by regenerative braking controller to left driving motor and right driving electricity
Machine is respectively controlled, and left driving motor and right driving motor is made to be made respectively to the left half axle and the right axle shaft respectively
It is dynamic；At this point, the torque direction of the left driving motor and right driving motor output with left driving motor described in step 2 with
The torque direction of right driving motor output is on the contrary, and the output torque of left driving motor and right driving motor is N2；
Braking mode selected in step 2 is the composite braking mould that mechanical braking is combined with electric braking
During formula, the host computer, with braking instruction is passed at present, passes through mechanical braking to mechanical braking controller and regenerative braking controller
Controller to left back brake disc and it is right after brake disc be respectively controlled, and pass through regenerative braking controller to left driving motor with
Right driving motor is respectively controlled, and left back brake disc and left driving motor is made to be braked simultaneously to the left half axle, simultaneously
Brake disc and right driving motor behind the right side is made to be braked simultaneously to the right axle shaft；At this point, the left driving motor and right driving
Motor output torque direction with left driving motor described in step 2 and right driving motor output torque direction on the contrary, and
The output torque of left driving motor and right driving motor is N2.
The above method, it is characterized in that：By mechanical braking controller to brake disc after left back brake disc and the right side in step 5
When being respectively controlled, according to the control method of conventional ABS slip control systems, to brake disc point after left back brake disc and the right side
It is not controlled.
The above method, it is characterized in that：The simulated dual motor driven electric car regenerative braking performance test stand further includes
Charging circuit, the rechargeable battery being connect with charging circuit and the output torque progress reality to left driving motor or right driving motor
When the moment inspecting unit that detects, the left driving motor and right driving motor are connect with charging circuit；The monitoring system
Further include the electric power detection unit detected in real time to the electricity of rechargeable battery, the electric power detection unit and regenerative braking
Controller connects；The moment inspecting unit is connect with regenerative braking controller；
During being respectively controlled in step 5 by regenerative braking controller to left driving motor and right driving motor,
The electricity of rechargeable battery is detected in real time, and by the charge value synchronous driving detected to again using electric power detection unit
Raw brake monitor；Meanwhile the output torque of left driving motor or right driving motor is distinguished using the moment inspecting unit
It is detected in real time, and by the moment values synchronous driving detected to regenerative braking controller；The regenerative braking controller is again
By the charge value received and moment values synchronous driving to host computer, the host computer divides the charge value and moment values that receive
Display is not synchronized.
The above method, it is characterized in that：The monitoring system further includes what the rotating speed of the front axle was detected in real time
Front axle rotation speed detection unit is connect using the front axle rotation speed detection unit with front axle drive control device；
Stablize before being braked in step 3 in traveling simulation process, carry out in step 4 during load loading simulation and
It is carried out in regenerative braking simulation process in step 5, using trailing wheel shafting rotation speed detection unit to the left half axle, the right side
The rotating speed of brake disc is detected in real time behind semiaxis, left back brake disc or the right side, and by the tachometer value synchronous driving detected to again
Raw brake monitor, the regenerative braking controller is again by the tachometer value synchronous driving received to host computer；
Stablize before being braked in step 3 in traveling simulation process, carry out in step 4 during load loading simulation and
It is carried out in regenerative braking simulation process in step 5, using the front axle rotation speed detection unit to the rotating speed of the front axle
It is detected in real time, and by the tachometer value synchronous driving detected to front axle drive control device, the front axle drive control
Device is again by the tachometer value synchronous driving received to host computer；The front axle drive control device is to the front axle driving mechanism
It is controlled, the rotating speed for making the front axle is consistent with the tachometer value that trailing wheel shafting rotation speed detection unit is detected at this time.
Compared with the prior art, the present invention has the following advantages：
1st, used electric vehicle regenerative braking performance test stand is simple in structure, reasonable design and processing and fabricating are easy,
Input cost is relatively low.
2nd, used electric vehicle regenerative braking performance test stand is easy to use and using effect is good, practical value
Height significantly simplifies simulated electric vehicle, only passes through front-wheel shafting simulation mechanism, trailing wheel shafting simulation mechanism and described
The real simulation to simulated electric vehicle can be realized in load simulation mechanism.Also, left driving motor and right driving motor group
Into the regenerative braking simulation system of simulated electric vehicle, can effective simulated dual motor driven electric car regenerative braking work
Condition.
It in actual use, can be to the drive of simulated electric vehicle using the electric vehicle regenerative braking performance test stand
Start building condition, the mechanical braking operating mode for simulating electric vehicle, the various loads of simulating electric vehicle (include the road on different road surfaces
Face resistance, wind resistance and load-carrying etc.) and the regenerative braking operating mode of simulated electric vehicle carry out effective, true mould respectively
Intend, and can be to accurate, the real-time monitoring of produced energy in simulated electric vehicle process of regenerative braking.
3rd, method and step is simple, reasonable design and realization are convenient, using effect is good, in designed electric vehicle regenerative braking
On the basis of performance test stand, braked according to selected braking mode.Also, two kinds of regenerative braking moulds can be completed
The braking simulation test of formula, two kinds of braking modes are respectively that pure electric braking pattern and mechanical braking are mutually tied with electric braking
The composite braking pattern of conjunction, occupation mode is flexible, perfect in shape and function, and result of the test is accurate, reliable, is carried to improve vehicle braking performances
For reliable basis.
In conclusion reasonable design of the present invention and it is easy to use, using effect is good, can effectively simulate Dual-motors Driving
The regenerative braking operating mode of electric vehicle.
Below by drawings and examples, technical scheme of the present invention is described in further detail.
Description of the drawings
Fig. 1 is the structure diagram of electric vehicle regenerative braking performance test stand of the present invention.
Fig. 2 is the side portion structure schematic diagram of electric vehicle regenerative braking performance test stand of the present invention.
Fig. 3 is the front portion structure figure of electric vehicle regenerative braking performance test stand of the present invention.
Fig. 4 is the vertical view of Fig. 2.
Fig. 5 is the schematic block circuit diagram of electric vehicle regenerative braking performance test stand of the present invention.
Fig. 6 is the method flow block diagram of electric vehicle regenerative braking method for testing performance of the present invention.
Reference sign:
Brake disc behind 1-right side；2-the first shaft joint；3-third shaft joint；
4-left back brake disc；5-the four shaft joint；6-left side loading motor；
7-left driving motor；8-right driving motor；9-alternating-current variable frequency motor；
10-driving wheel；11-left front brake disc；12-driven wheel；
13-the five shaft coupling；14-the six shaft coupling；15-right front brake disc；
16-horizontal rack；16-1-horizontal base 16-2-cube guardrail
17-right side loading motor；18-the second shaft joint；19-loading motor controller；
20-drive motor controller；21-front axle drive control device；
22-regenerative braking controller；23-trailing wheel shafting rotation speed detection unit；
24-host computer；25-motor torque detection unit；
26-charging circuit；27-rechargeable battery；28-electric power detection unit；
29-Left-side support plate；30-Right side support plate；31-mechanical braking controller.
Specific embodiment
As shown in Figure 1, Figure 2, Fig. 3, Fig. 4 and simulated dual motor driven electric car regenerative braking performance test stand shown in fig. 5,
Including horizontal rack 16, mounted on the front-wheel shafting simulation mechanism of horizontal 16 forepart of rack, positioned at the front-wheel shafting analog machine
Trailing wheel shafting simulation mechanism on rear side of structure and the load simulation simulated to the load during simulated electric automobile during traveling
Mechanism, the trailing wheel shafting simulation mechanism are mounted on horizontal 16 rear portion of rack；
The trailing wheel shafting simulation mechanism include hind axle, the hind axle driving mechanism being driven to the hind axle and
Mechanical brake on the hind axle, the hind axle include left half axle and right axle shaft, the hind axle driving machine
Structure includes the left driving motor 7 being driven to the left half axle and the right driving motor 8 being driven to the right axle shaft；Institute
Mechanical brake is stated to include the left back brake disc 4 being mounted on the left half axle and brake behind the right side on the right axle shaft
Disk 1；The left driving motor 7 and right driving motor 8 are separately mounted to 16 left and right sides of horizontal rack, the left half axle and described
Right axle shaft is installed on horizontal rack 16；The left back brake disc 4 by the left rear wheel of simulation electric vehicle simulate
Left back simulation wheel, it is described it is right after brake disc 1 be to simulation electric vehicle the right side simulated of off hind wheel after simulation wheel；Institute
It states left driving motor 7 and right driving motor 8 forms the regenerative braking simulation system for simulating electric vehicle；
The front axle driving mechanism that the front-wheel shafting simulation mechanism includes front axle, is driven to the front axle,
And left front brake disc 11 and right front brake disc 15 at left and right sides of the front axle；The front axle driving mechanism with
It is sequentially connected between the front axle by transmission mechanism, the front axle driving mechanism and the front axle are installed in
On horizontal rack 16；The left front brake disc 11 by simulation electric vehicle the left front simulation wheel simulated of the near front wheel,
The right front brake disc 15 by simulation electric vehicle the right front simulation wheel simulated of off-front wheel；
The load simulation mechanism includes left side loading motor 6 and right side loading motor 17；The left driving motor 7 and institute
The one end for stating left half axle is sequentially connected, and the other end of the left side loading motor 6 and the left half axle is sequentially connected；
The right driving motor 8 and one end of the right axle shaft are sequentially connected, the right side loading motor 17 and the right axle shaft
The other end be sequentially connected.
In the present embodiment, the left driving motor 7 and right driving motor 8 are permanent magnet synchronous motor.
In actual use, the left driving motor 7 and right driving motor 8 can also use it is other types of can be to being simulated
Electric vehicle carries out the motor of electric braking.
In the present embodiment, the left side loading motor 6 and right side loading motor 17 are alternating current generator.
As shown in figure 5, the utility model further includes monitoring system, the monitoring system includes host computer 24, regenerative braking
Controller 22, loading motor controller 19, drive motor controller 20 and front axle drive control device 21, the left driving motor
7 and right driving motor 8 is controlled by drive motor controller 20 and the two is connect with drive motor controller 20, it is described
Left side loading motor 6 and right side loading motor 17 controlled by loading motor controller 19 and the two with loading motor control
Device 19 processed connects, and the front axle driving mechanism is controlled by front axle drive control device 21 and itself and front axle drive control
Device 21 connects；The left driving motor 7 and right driving motor 8 are that the motor of electric braking is carried out to simulated electric vehicle
And the two is controlled by regenerative braking controller 22, the left driving motor 7 and right driving motor 8 with regenerative braking control
Device 22 processed connects；
The regenerative braking controller 22, loading motor controller 19, drive motor controller 20 and front axle driving control
Device 21 processed is connect with host computer 24.
Also, the monitoring system further includes trailing wheel shafting rotation speed detection unit 23, the trailing wheel shafting Rotating speed measring list
Member 23 is to turn to what the rotating speed of brake disc 1 behind the left half axle, the right axle shaft, left back brake disc 4 or the right side was detected in real time
Fast detection unit, the trailing wheel shafting rotation speed detection unit 23 are connect with regenerative braking controller 22.
In the present embodiment, the trailing wheel shafting rotation speed detection unit 23 is turn to brake disc 1 behind left back brake disc 4 or the right side
The rotation speed detection unit that speed is detected in real time.
In the present embodiment, the monitoring system further includes the power output to left side loading motor 6 and right side loading motor 17
The motor torque detection unit 25 that square is detected in real time, the motor torque detection unit 25 connect with regenerative braking controller 22
It connects.
In the present embodiment, the utility model further includes charging circuit 26 and the rechargeable battery being connect with charging circuit 26
27, the left driving motor 7 and right driving motor 8 are connect with charging circuit 26；The monitoring system is further included to chargeable
The electric power detection unit 28 that the electricity of battery 27 is detected in real time, the electric power detection unit 28 and regenerative braking controller 22
Connection.
During actual processing, the horizontal rack 16 is cube rack, and the cube rack includes horizontal base 16-1
It is laid in level respectively by four with cube the guardrail 16-2, the cube guardrail 16-2 on horizontal base 16-1
Vertical rail above tetra- sides of pedestal 16-1 is formed by connecting；
In parallel laying, the front axle is in horizontal layout for the left half axle, the right axle shaft and the front axle；
The front-wheel shafting simulation mechanism is mounted on the forward upper of horizontal base 16-1 and it is located at cube guardrail 16-
In 2；The left driving motor 7 and right driving motor 8 are installed in the upper back of horizontal base 16-1, the left half axle and institute
It states right axle shaft laying on the same line and the two is in horizontal layout；The left half axle is mounted on horizontal base by bearing
On the vertical rail of seat 16-1 left upper portions, the right axle shaft is mounted on the horizontal base 16-1 right sides by the bearing
On the vertical rail of upper lateral part；
The rear left of the cube guardrail 16-2 is provided with the Left-side support plate 29 that left side loading motor 6 is supplied to place,
The rear right of the cube guardrail 16-2 is provided with the Right side support plate 30 that right side loading motor 17 is supplied to place；The left side
Support plate 29 and Right side support plate 30 are respectively positioned in horizontal layout and the two on the outside of cube guardrail 16-2.
In the present embodiment, the left half axle and the right axle shaft are laid in symmetrical.
In the present embodiment, the horizontal base 16-1 is rectangular base.
Also, the left half axle and the right axle shaft are laid along the width direction of horizontal base 16-1.
In the present embodiment, the Left-side support plate 29 and Right side support plate 30 are rectangular flat, the cube guardrail
The rear left of 16-2 is provided with the left side skewed horizontal load bar being supported to Left-side support plate 29, and cube guardrail 16-2
Rear right is provided with the right side skewed horizontal load bar being supported to Right side support plate 30.
In the present embodiment, the front axle driving mechanism is alternating-current variable frequency motor 9, and the transmission mechanism is pulley drive
Mechanism.
During actual installation, the alternating-current variable frequency motor 9 is installed on horizontal base 16-1, also, the alternating-current variable frequency power
Machine 9 is on rear side of the front axle.
In the present embodiment, brake disc 1, left front brake disc 11 and right front brake disc 15 are behind the left back brake disc 4, the right side
Hydraulic brake, the left back brake disc 4, it is right after brake disc 1, left front brake disc 11 and right front brake disc 15 by machinery
Brake monitor 31 is controlled and it connect with mechanical braking controller 31.Also, the mechanical braking controller 31 with
Host computer 24 connects.
During actual installation, the left driving motor 7 and right driving motor 8 are laid in symmetrical, 6 He of left side loading motor
Right side loading motor 17 is laid in symmetrical, and left driving motor 7, right driving motor 8, left side loading motor 6, right side loading electricity
Machine 17 and alternating-current variable frequency motor 9 are in horizontal layout.
In the present embodiment, the power output shaft of the right driving motor 8 and the power output shaft of right side loading motor 17 and
Brake disc 1 is laid in coaxial behind the right side, and brake disc 1 is between right driving motor 8 and right side loading motor 17 behind the right side；Institute
It states right axle shaft and includes the first shaft joint 2 and the second shaft joint 18, the power output shaft of the right driving motor 8 passes through the first connecting shaft
Device 2 with it is right after brake disc 1 carry out it is coaxially connected, the power output shaft of the right side loading motor 17 by the second shaft joint 18 with
Brake disc 1 carries out coaxially connected behind the right side.
Correspondingly, the power output shaft of the left driving motor 7 and the power output shaft of left side loading motor 6 and left back system
Moving plate 4 is laid in coaxial, and the left back brake disc 4 is between left driving motor 7 and left side loading motor 6；Described left half
Axis includes 3 and the 4th shaft joint 5 of third shaft joint, and the power output shaft of the left driving motor 7 passes through third shaft joint 3 and a left side
Brake disc 4 carries out coaxially connected afterwards, and the power output shaft of the left side loading motor 6 passes through the 4th shaft joint 5 and left back braking
Disk 4 carries out coaxially connected.
In the present embodiment, the front axle includes the 5th shaft coupling 12 and the 6th shaft coupling 14, the pulley drive machine
Structure includes driving wheel 10 and the driven wheel 13 being attached by belt and driving wheel 10, and the driving wheel 10 is coaxially mounted to hand over
On the power output shaft for flowing variable-frequency motor 9, the left front brake disc 11 is carried out coaxial by the 5th shaft coupling 12 with driven wheel 13
Connection, the right front brake disc 15 is carried out coaxially connected by the 6th shaft coupling 14 with driven wheel 13.
During actual installation, it is provided on the horizontal base 16-1 to brake disc 1, left front braking behind left back brake disc 4, the right side
The supporting rack that disk 11 and right front brake disc 15 are supported respectively, and brake disc 1, left front brake disc behind left back brake disc 4, the right side
11 and right front brake disc 15 be attached with support frame as described above stent by bearing.
In the present embodiment, the drive motor controller 20 and front axle drive control device 21 can also use same control
Coremaking piece.
As shown in the above, the utility model significantly simplifies simulated electric vehicle, only passes through the front-wheel
Shaft system simulation mechanism, the trailing wheel shafting simulation mechanism and the load simulation mechanism can be realized to simulated electric vehicle
Real simulation.Wherein, the left back brake disc 4, it is right after brake disc 1, left front brake disc 11 and right front brake disc 15 respectively to institute
Left rear wheel, off hind wheel, the near front wheel and the off-front wheel of simulation electric vehicle are simulated respectively.Also, 7 He of left driving motor
Right driving motor 8 forms the regenerative braking simulation system for simulating electric vehicle.
In actual use, the hind axle by simulation electric vehicle drive shaft, pass through drive motor controller
20 pairs of left driving motors 7 and right driving motor 8 control, and drive the left half axle in the hind axle and the right axle shaft
It is rotated；Meanwhile control alternating-current variable frequency motor 9 that the front axle is driven to be rotated by front axle drive control device 21,
It is simulated so as to fulfill the driving operating mode to simulated electric vehicle；
Also, by mechanical braking controller 31 to left back brake disc 4, it is right after before brake disc 1, left front brake disc 11 and the right side
Brake disc 15 is respectively controlled, and realizes and the mechanical braking operating mode of simulated electric vehicle is simulated；
Meanwhile left side loading motor 6 and right side loading motor 17 are respectively controlled by loading motor controller 19,
Realize the process simulated to the load of simulated electric vehicle；
In addition, being respectively controlled by regenerative braking controller 22 to left driving motor 7 and right driving motor 8, make a left side
Driving motor 7 and right driving motor 8 generate opposing torque and carry out electric braking to simulated electric automobile, so as to fulfill to institute
The regenerative braking operating mode of simulation electric vehicle is simulated；Also, mould is carried out to the regenerative braking operating mode of simulated electric vehicle
During plan, the left driving motor 7 and right driving motor 8 work in generating state, at this time by charging circuit 26 by left drive
In the power storage to rechargeable battery 27 that dynamic motor 7 and right driving motor 8 generate, realize to regenerate simulated electric vehicle and make
The energy regenerating of dynamic process；Also, the electricity of rechargeable battery 27 is detected in real time by electric power detection unit 28, is realized
Accurate, real-time monitoring to produced energy in simulated electric vehicle process of regenerative braking.
In actual use, during realizing smooth deceleration using the electric vehicle regenerative braking performance test stand
Regenerative braking Work condition analogue and turning moderating process in regenerative braking Work condition analogue.Wherein, during to smooth deceleration
When regenerative braking operating mode is simulated, using mechanical braking controller 31 to left front brake disc 11 and right front brake disc 15 respectively into
Row control, makes left front brake disc 11 identical with the brake force of right front brake disc 15；To the regenerative braking work in turning moderating process
When condition is simulated, left front brake disc 11 and right front brake disc 15 are respectively controlled using mechanical braking controller 31, made
Left front brake disc 11 is different with the brake force of right front brake disc 15, specifically makes the brake force of turning side rotating disc more than separate
The brake force of turning side rotating disc.
Meanwhile the regenerative braking operating mode mould on different road surfaces can be realized using the electric vehicle regenerative braking performance test stand
Intend, need to only change the value size of the output torque N1 of left side loading motor 6 and right side loading motor 17, realize it is convenient and
Using effect is good.
A kind of electric vehicle regenerative braking method for testing performance as shown in Figure 6, includes the following steps：
Step 1: test parameters is set：The running parameter of simulated electric vehicle is set by host computer 24；
Set running parameter includes driving power P1, the left side loading motor of left driving motor 7 and right driving motor 8
6 with the output torque N1 of right side loading motor 17, the hind axle working speed n0 and braking process in left driving motor 7 with
The output torque N2 of right driving motor 8；Wherein, the unit of n0 is r/min；
Step 2: braking mode selects：The braking mode of electric vehicle is simulated by the selection of host computer 24；
The composite braking pattern that selected braking mode is pure electric braking pattern or mechanical braking is combined with electric braking；
Step 3: stablize traveling simulation before braking：The host computer 24 by driving power P1 set in step 1 and
Working speed n0 is sent to drive motor controller 20, using drive motor controller 20 to left driving motor 7 and right driving
Motor 8 is respectively controlled, and the power for making left driving motor 7 and right driving motor 8 is P1, and by left driving motor 7 with it is right
The rotating speed of driving motor 8 is adjusted to n0；Later, left driving motor 7 and the torque of right driving motor 8 is made to remain unchanged；
Step 4: load loading simulation：Output torque N1 set in step 1 is sent to by the host computer 24 to be added
Electric machine controller 19 is carried, left side loading motor 6 and right side loading motor 17 are controlled respectively using loading motor controller 19
System, and the output torque of left side loading motor 6 and right side loading motor 17 is adjusted to N1；
Step 5: regenerative braking is simulated：The host computer 24 is according to the braking mode selected in step 2, to institute
It simulates electric vehicle and carries out damped condition simulation；
When braking mode selected in step 2 is pure electric braking pattern, according to set by step 1
The output torque N2 of left driving motor 7 and right driving motor 8, and by regenerative braking controller 22 to left driving motor 7 and the right side
Driving motor 8 is respectively controlled, and makes left driving motor 7 and right driving motor 8 respectively to the left half axle and the right axle shaft
It is braked respectively；At this point, the torque direction that exports of the left driving motor 7 and right driving motor 8 with described in step 2
The torque direction that left driving motor 7 is exported with right driving motor 8 is on the contrary, and the power output of left driving motor 7 and right driving motor 8
Square is N2；
Braking mode selected in step 2 is the composite braking mould that mechanical braking is combined with electric braking
During formula, the host computer 24, with braking instruction is passed at present, passes through machine to mechanical braking controller 31 and regenerative braking controller 22
Tool brake monitor 31 is respectively controlled, and it is right to pass through regenerative braking controller 22 brake disc 1 after left back brake disc 4 and the right side
Left driving motor 7 is respectively controlled with right driving motor 8, makes left back brake disc 4 and left driving motor 7 simultaneously to described left half
Axis is braked, while brake disc 1 and right driving motor 8 behind the right side is made to be braked simultaneously to the right axle shaft；At this point, the left side
The torque direction that driving motor 7 and right driving motor 8 export with left driving motor 7 described in step 2 and right driving motor 8
The torque direction of output is on the contrary, and left driving motor 7 and the output torque of right driving motor 8 are N2.
In the present embodiment, the rotating speed of left driving motor 7 and right driving motor 8 is adjusted to n0 in step 3, is also needed
Trailing wheel shafting rotation speed detection unit 23 is used as to brake disc 1 behind the left half axle, the right axle shaft, left back brake disc 4 or the right side
Rotating speed detected in real time, and by the tachometer value synchronous driving detected to regenerative braking controller 22；Treat that trailing wheel shafting turns
After the tachometer value that fast detection unit 23 is detected remains unchanged, then carry out step 4.
In the present embodiment, brake disc 1 after left back brake disc 4 and the right side is distinguished by mechanical braking controller 31 in step 5
When being controlled, according to the control method of conventional ABS slip control systems, brake disc 1 after left back brake disc 4 and the right side is distinguished
It is controlled.The mechanical braking controller 31 is the controller of ABS slip control systems.
In the present embodiment, the simulated dual motor driven electric car regenerative braking performance test stand is further included to left driving
The moment inspecting unit that the output torque of motor 7 or right driving motor 8 is detected in real time, the left driving motor 7 and right drive
Dynamic motor 8 is connect with charging circuit 26；The monitoring system further includes detects the electricity of rechargeable battery 27 in real time
Electric power detection unit 28, the electric power detection unit 28 connect with regenerative braking controller 22；The moment inspecting unit with
Regenerative braking controller 22 connects；
Left driving motor 7 and right driving motor 8 were respectively controlled by regenerative braking controller 22 in step 5
Cheng Zhong detects, and the charge value detected is same the electricity of rechargeable battery 27 using electric power detection unit 28 in real time
Step is sent to regenerative braking controller 22；Meanwhile using the moment inspecting unit to left driving motor 7 or right driving motor 8
Output torque detected in real time respectively, and by the moment values synchronous driving detected to regenerative braking controller 22；It is described
Again by the charge value received and moment values synchronous driving to host computer 24, the host computer 24 docks regenerative braking controller 22
The charge value and moment values received synchronizes display respectively.
In actual use, the host computer 24, can synchronism output charge value according to received charge value and moment values
The curve changed with moment values.
In the present embodiment, the monitoring system further includes the front-wheel shaft rotation detected in real time to the rotating speed of the front axle
Fast detection unit is connect using the front axle rotation speed detection unit with front axle drive control device 21；
Stablize before being braked in step 3 in traveling simulation process, carry out in step 4 during load loading simulation and
It is carried out in regenerative braking simulation process in step 5, using trailing wheel shafting rotation speed detection unit 23 to the left half axle, described
The rotating speed of brake disc 1 is detected in real time behind right axle shaft, left back brake disc 4 or the right side, and the tachometer value synchronous driving that will be detected
To regenerative braking controller 22, the regenerative braking controller 22 is again by the tachometer value synchronous driving received to host computer 24；
Stablize before being braked in step 3 in traveling simulation process, carry out in step 4 during load loading simulation and
It is carried out in regenerative braking simulation process in step 5, using the front axle rotation speed detection unit to the rotating speed of the front axle
It is detected in real time, and by the tachometer value synchronous driving detected to front axle drive control device 21, the front axle driving is controlled
Device 21 processed is again by the tachometer value synchronous driving received to host computer 24；The front axle drive control device 21 is to the front axle
Driving mechanism is controlled, and makes the rotating speed of the front axle and trailing wheel shafting rotation speed detection unit 23 is detected at this time tachometer value
Unanimously.
When the setting of electric vehicle running parameter is carried out in the present embodiment, in step 1, set running parameter further includes
The rotating speed n of the hind axle after the completion of braking；Wherein, 0 ＜ n ＜ n0；The unit of n is r/min；
Carried out in regenerative braking simulation process in step 5, also need to use trailing wheel shafting rotation speed detection unit 23 for pair
Behind the left half axle, the right axle shaft, left back brake disc 4 or the right side rotating speed of brake disc 1 is detected in real time, and will be detected
Tachometer value synchronous driving is to regenerative braking controller 22；The tachometer value received is synchronized pass again by the regenerative braking controller 22
It send to host computer 24, the host computer 24 judges to brake whether simulation process is completed, and work as trailing wheel according to the tachometer value received
When the tachometer value that shafting rotation speed detection unit 23 is detected is n, the braking simulation process for simulating electric vehicle is completed.
In actual use, left driving motor 7 and the driving power P1 of right driving motor 8 are set in step 1
When, it is set according to the rated power of simulated electric vehicle, and the driving work(of left driving motor 7 and right driving motor 8
Rate P1 is identical with the rated power of simulated electric vehicle.The working speed n0 of the hind axle is according to simulated electric vehicle
Normal speed per hour set.The output torque N1 of the left side loading motor 6 and right side loading motor 17 is according to simulating electricity
The pavement behavior of electrical automobile institute track is set, i.e., is set according to surface resistance.
In actual use, the value of described P1, N1, n0, N2 and n are artificial settings value, easy to operate, and P1, N1,
The value adjustment of n0, N2 and n are easy.
The above is only presently preferred embodiments of the present invention, not the present invention is imposed any restrictions, every according to the present invention
Any simple modification, change and the equivalent structure that technical spirit makees above example change, and still fall within skill of the present invention
In the protection domain of art scheme.
Claims (8)
1. a kind of simulated dual motor driven electric car regenerative braking performance test stand, it is characterised in that：Including horizontal rack
(16), the front-wheel shafting simulation mechanism mounted on horizontal rack (16) forepart, on rear side of the front-wheel shafting simulation mechanism
Trailing wheel shafting simulation mechanism and the load simulation mechanism simulated to the load during simulated electric automobile during traveling, it is described
Trailing wheel shafting simulation mechanism is mounted on horizontal rack (16) rear portion；
The trailing wheel shafting simulation mechanism includes hind axle, the hind axle driving mechanism being driven to the hind axle and installation
Mechanical brake on wheel shaft in the rear, the hind axle include left half axle and right axle shaft, the hind axle driving mechanism packet
Include the left driving motor (7) being driven to the left half axle and the right driving motor (8) being driven to the right axle shaft；Institute
Mechanical brake is stated to include the left back brake disc (4) being mounted on the left half axle and make behind the right side on the right axle shaft
Moving plate (1)；The left driving motor (7) and right driving motor (8) are separately mounted at left and right sides of horizontal rack (16), the left side
Semiaxis and the right axle shaft are installed on horizontal rack (16)；The left back brake disc (4) by simulation electric vehicle
The left back simulation wheel that left rear wheel is simulated, it is described it is right after brake disc (1) be to simulation electric vehicle off hind wheel progress mould
Wheel is simulated behind the right side of plan；The left driving motor (7) and right driving motor (8) composition simulate the regenerative braking mould of electric vehicle
Plan system；
The front-wheel shafting simulation mechanism include front axle, the front axle driving mechanism being driven to the front axle and
Left front brake disc (11) and right front brake disc (15) at left and right sides of the front axle；The front axle driving mechanism with
It is sequentially connected between the front axle by transmission mechanism, the front axle driving mechanism and the front axle are installed in
On horizontal rack (16)；The left front brake disc (11) by simulation electric vehicle the left front simulation simulated of the near front wheel
Wheel, the right front brake disc (15) by simulation electric vehicle the right front simulation wheel simulated of off-front wheel；
The load simulation mechanism includes left side loading motor (6) and right side loading motor (17)；The left driving motor (7) with
One end of the left half axle is sequentially connected, and the left side loading motor (6) and the other end of the left half axle are driven
Connection；The right driving motor (8) and one end of the right axle shaft are sequentially connected, the right side loading motor (17) and institute
The other end for stating right axle shaft is sequentially connected；
The left driving motor (7) and right driving motor (8) are permanent magnet synchronous motor；The left side loading motor (6) and the right side
Side loading motor (17) is alternating current generator；
Monitoring system is further included, the monitoring system includes host computer (24), regenerative braking controller (22), loading motor control
Device (19), drive motor controller (20) and front axle drive control device (21), the left driving motor (7) and right driving motor
(8) it is controlled by drive motor controller (20) and the two is connect with drive motor controller (20), the left side adds
Carry motor (6) and right side loading motor (17) controlled by loading motor controller (19) and the two with loading motor control
Device (19) connection processed, the front axle driving mechanism is controlled by front axle drive control device (21) and it drives with front axle
Controller (21) connects；The left driving motor (7) and right driving motor (8) are that simulated electric vehicle is electrically made
Dynamic motor and the two is controlled by regenerative braking controller (22), the left driving motor (7) and right driving motor
(8) it is connect with regenerative braking controller (22)；
The regenerative braking controller (22), loading motor controller (19), drive motor controller (20) and front axle driving
Controller (21) is connect with host computer (24).
2. simulated dual motor driven electric car regenerative braking performance test stand described in accordance with the claim 1, it is characterised in that：
The monitoring system further includes trailing wheel shafting rotation speed detection unit (23), and the trailing wheel shafting rotation speed detection unit (23) is to institute
State the Rotating speed measring that the rotating speed of brake disc (1) behind left half axle, the right axle shaft, left back brake disc (4) or the right side is detected in real time
Unit, the trailing wheel shafting rotation speed detection unit (23) connect with regenerative braking controller (22).
3. simulated dual motor driven electric car regenerative braking performance test stand described in accordance with the claim 2, it is characterised in that：
Further include charging circuit (26) and the rechargeable battery (27) being connect with charging circuit (26), the left driving motor (7) and the right side
Driving motor (8) is connect with charging circuit (26)；The monitoring system further includes the electricity progress to rechargeable battery (27)
The electric power detection unit (28) detected in real time, the electric power detection unit (28) connect with regenerative braking controller (22)；It is described
Brake disc (1), left front brake disc (11) and right front brake disc (15) are by mechanical braking controller behind left back brake disc (4), the right side
(31) it is controlled and it connect with mechanical braking controller (31)；The monitoring system is further included to left side loading motor
(6) and the motor torque detection unit (25) that is detected in real time of the output torque of right side loading motor (17), the motor force
Square detection unit (25) is connect with regenerative braking controller (22).
4. simulated dual motor driven electric car regenerative braking performance test stand described in accordance with the claim 1, it is characterised in that：
The horizontal rack (16) is cube rack, and the cube rack includes horizontal base (16-1) and mounted on horizontal base
Cube guardrail (16-2) on (16-1), the cube guardrail (16-2) are laid in horizontal base (16-1) respectively by four
Vertical rail above four sides is formed by connecting；
In parallel laying, the front axle is in horizontal layout for the left half axle, the right axle shaft and the front axle；
The front-wheel shafting simulation mechanism is mounted on the forward upper of horizontal base (16-1) and it is located at cube guardrail (16-
2) in；The left driving motor (7) and right driving motor (8) are installed in the upper back of horizontal base (16-1), the left side
Semiaxis and the right axle shaft are laid on the same line and the two is in horizontal layout；The left half axle is installed in place by bearing
In on the vertical rail of horizontal base (16-1) left upper portion, the right axle shaft is mounted on level by the bearing
On the vertical rail of pedestal (16-1) right upper portion；
The rear left of the cube guardrail (16-2) is provided with the Left-side support plate that left side loading motor (6) is supplied to place
(29), the rear right of the cube guardrail (16-2) is provided with the Right side support plate that right side loading motor (17) is supplied to place
(30)；The Left-side support plate (29) and Right side support plate (30) are respectively positioned on cube guardrail (16- in horizontal layout and the two
2) outside.
5. a kind of method for carrying out regenerative braking performance test to electric vehicle using testing stand as described in claim 1, special
Sign is that this method includes the following steps：
Step 1: test parameters is set：The running parameter of simulated electric vehicle is set by host computer (24)；
Set running parameter includes driving power P1, the left side loading motor of left driving motor (7) and right driving motor (8)
(6) with the output torque N1 of right side loading motor (17), the hind axle working speed n0 and braking process in it is left driving electricity
Machine (7) and the output torque N2 of right driving motor (8)；Wherein, the unit of n0 is r/min；
Step 2: braking mode selects：The braking mode of electric vehicle is simulated by host computer (24) selection；Institute
The composite braking pattern that the braking mode selected is combined for pure electric braking pattern or mechanical braking with electric braking；
Step 3: stablize traveling simulation before braking：The host computer (24) is by driving power P1 and work set in step 1
Make rotating speed n0 and be sent to drive motor controller (20), using drive motor controller (20) to left driving motor (7) and the right side
Driving motor (8) is respectively controlled, and the power for making left driving motor (7) and right driving motor (8) is P1, and by left driving
Motor (7) and the rotating speed of right driving motor (8) are adjusted to n0；Later, make left driving motor (7) and right driving motor (8)
Torque remains unchanged；
Step 4: load loading simulation：Output torque N1 set in step 1 is sent to loading by the host computer (24)
Electric machine controller (19), using loading motor controller (19) to left side loading motor (6) and right side loading motor (17) difference
It is controlled, and the output torque of left side loading motor (6) and right side loading motor (17) is adjusted to N1；
Step 5: regenerative braking is simulated：The host computer (24) is according to the braking mode selected in step 2, to institute's mould
Intend electric vehicle and carry out damped condition simulation；
When braking mode selected in step 2 is pure electric braking pattern, according to left drive set in step 1
Dynamic motor (7) and the output torque N2 of right driving motor (8), and by regenerative braking controller (22) to left driving motor (7)
Be respectively controlled with right driving motor (8), make left driving motor (7) and right driving motor (8) respectively to the left half axle and
The right axle shaft is braked respectively；At this point, the left driving motor (7) and the torque direction that right driving motor (8) exports are equal
With the torque direction of left driving motor described in step 2 (7) and right driving motor (8) output on the contrary, and left driving motor (7)
Output torque with right driving motor (8) is N2；
Braking mode selected in step 2 is mechanical braking when the composite braking pattern that electric braking is combined,
The host computer (24) with braking instruction is passed at present, passes through machine to mechanical braking controller (31) and regenerative braking controller (22)
Tool brake monitor (31) is respectively controlled, and pass through regenerative braking control brake disc (1) after left back brake disc (4) and the right side
Device (22) is respectively controlled left driving motor (7) and right driving motor (8), makes left back brake disc (4) and left driving motor
(7) while to the left half axle it brakes, while makes behind the right side brake disc (1) and right driving motor (8) while to described right half
Axis is braked；At this point, the torque direction of the left driving motor (7) and right driving motor (8) output with institute in step 2
The torque direction of left driving motor (7) and right driving motor (8) output is stated on the contrary, and left driving motor (7) and right driving motor
(8) output torque is N2.
6. according to the method for claim 5, it is characterised in that：By mechanical braking controller (31) to left back in step 5
It is right according to the control method of conventional ABS slip control systems when brake disc (1) is respectively controlled after brake disc (4) and the right side
Brake disc (1) is respectively controlled after left back brake disc (4) and the right side.
7. according to method described in claim 5 or 6, it is characterised in that：The simulated dual motor driven electric car regeneration system
Dynamic performance test stand further includes charging circuit (26), the rechargeable battery (27) being connect with charging circuit (26) and to left driving electricity
The moment inspecting unit that the output torque of machine (7) or right driving motor (8) is detected in real time, the left driving motor (7) and
Right driving motor (8) is connect with charging circuit (26)；The monitoring system further include to the electricity of rechargeable battery (27) into
The electric power detection unit (28) that row detects in real time, the electric power detection unit (28) connect with regenerative braking controller (22)；Institute
Moment inspecting unit is stated to connect with regenerative braking controller (22)；
Left driving motor (7) and right driving motor (8) are respectively controlled by regenerative braking controller (22) in step 5
In the process, the electricity of rechargeable battery (27) is detected, and the electricity that will be detected in real time using electric power detection unit (28)
Magnitude synchronous driving is to regenerative braking controller (22)；Meanwhile using the moment inspecting unit to left driving motor (7) or the right side
The output torque of driving motor (8) is detected in real time respectively, and by the moment values synchronous driving detected to regenerative braking control
Device (22) processed；The regenerative braking controller (22) is again by the charge value received and moment values synchronous driving to host computer
(24), the host computer (24) synchronizes display respectively to the charge value and moment values that receive.
8. according to method described in claim 5 or 6, it is characterised in that：The monitoring system is further included to the front axle
The front axle rotation speed detection unit that rotating speed is detected in real time is controlled using the front axle rotation speed detection unit and front axle driving
Device (21) connection processed；
Stablize before being braked in step 3 and load loading simulation process neutralization procedure is carried out in traveling simulation process, in step 4
It is carried out in regenerative braking simulation process in five, using trailing wheel shafting rotation speed detection unit (23) to the left half axle, the right side
The rotating speed of brake disc (1) is detected in real time behind semiaxis, left back brake disc (4) or the right side, and the tachometer value detected is synchronized and is passed
It send to regenerative braking controller (22), the regenerative braking controller (22) is again by the tachometer value synchronous driving received to upper
Machine (24)；
Stablize before being braked in step 3 and load loading simulation process neutralization procedure is carried out in traveling simulation process, in step 4
It carries out in regenerative braking simulation process in five, the rotating speed of the front axle is carried out using the front axle rotation speed detection unit
Detection in real time, and by the tachometer value synchronous driving detected to front axle drive control device (21), the front axle drive control
Device (21) is again by the tachometer value synchronous driving received to host computer (24)；The front axle drive control device (21) is to before described
Axle driving mechanism is controlled, and makes what the rotating speed of the front axle was detected with trailing wheel shafting rotation speed detection unit (23) at this time
Tachometer value is consistent.
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| CN109357890B (en) * | 2018-10-18 | 2020-12-22 | 珠海同米科技有限公司 | Plate type vehicle brake detection device and use method thereof |
| CN113670499A (en) * | 2021-09-08 | 2021-11-19 | 西安建筑科技大学 | Braking efficiency test device and method for electric wheel driven vehicle |
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| JP3463859B2 (en) * | 1998-09-18 | 2003-11-05 | 日産自動車株式会社 | Inspection method for hybrid vehicles |
| CN102269658B (en) * | 2011-04-29 | 2013-04-03 | 北京工业大学 | Electro-hydraulic combined brake experiment vehicle |
| CN202494571U (en) * | 2012-04-09 | 2012-10-17 | 长沙中成汽车零部件有限公司 | Quantitative-research test stand for detecting electric vehicle and regenerating braking energy thereof |
| CN103792094A (en) * | 2014-02-19 | 2014-05-14 | 哈尔滨工程大学 | Regenerative braking test table of hybrid electric vehicle |
| CN205748935U (en) * | 2016-06-22 | 2016-11-30 | 长安大学 | Simulated dual motor driven electric car regenerative braking performance test stand |
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