CN108569138A - A kind of four wheel speed method for independently controlling of pure electric automobile based on neural network - Google Patents

A kind of four wheel speed method for independently controlling of pure electric automobile based on neural network Download PDF

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Publication number
CN108569138A
CN108569138A CN201810460902.1A CN201810460902A CN108569138A CN 108569138 A CN108569138 A CN 108569138A CN 201810460902 A CN201810460902 A CN 201810460902A CN 108569138 A CN108569138 A CN 108569138A
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neural network
wheel
hopfield
pure electric
electric automobile
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CN108569138B (en
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葛承强
宋伟
叶进
马士磊
徐子航
王良模
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Nanjing University of Science and Technology
Nanjing Iveco Automobile Co Ltd
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Nanjing University of Science and Technology
Nanjing Iveco Automobile Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60KARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00Arrangement or mounting of transmissions in vehicles
    • B60K17/34Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The present invention relates to a kind of theoretical methods using four vehicle wheel rotational speed independent control of Hopfield neural networks pure electric automobile, generally comprise following steps:1. being based on Hopfield network theories, a kind of Hopfield nets of 4 output of 4 inputs are established;2. collecting the driving intention of driver:Accelerator open degree, brake pedal plate aperture, gear, steering wheel angle and four vehicle wheel rotational speeds, establish driving data library;3. rational performance function and error threshold is arranged, using collecting 80% part of the driving data training Hopfield nets suitable network weight of acquisition come and biasing;4. re-using remaining driving data examines Hopfield nets, the practicable control network that can control four wheel speed of pure electric vehicle four-wheel drive car is obtained after fine tuning Hopfield nets.

Description

A kind of four wheel speed method for independently controlling of pure electric automobile based on neural network
Technical field
The present invention relates to a kind of method of four wheel speed independent control of pure electric automobile, especially one kind is based on The method of the four wheel speed independent control of pure electric automobile of Hopfield neural networks, belongs to automobile technical field.
Background technology
In recent years, with the rise of electric vehicle, due to its zero-emission or near-zero release, with environmental protection and energy problem Of increasing concern, the research and development of electric vehicle are counted as solving a kind of effective means of energy environment issues.And in electricity In many power-driven systems of electrical automobile, In-wheel motor driving as a kind of emerging electric vehicle drive form, just increasingly at For the research emphasis and hot spot in electric vehicle field.Wheel hub motor is directly mounted in hub for vehicle wheel, the arrangement of drive system Very flexibly, two front-wheels of electric vehicle, two trailing wheels or four wheels can be arranged according to the type of drive of vehicle In wheel hub, make electric vehicle as 2 front-wheel drives, the mode of 2 rear wheel drives or 4 wheel drives.With internal-combustion engines vehicle and list Motor centralized driving electric vehicle is compared, and wheel hub motor has more foreground.
On the 4 wheel electric vehicles using In-wheel motor driving system, if further importing wire controlled four wheel steering technology (4WS), without the bulky machine driven system of traditional combustion engine automobile, and its is small, specific power is big, has very high Transmission efficiency can greatly simplify whole structure and reduce complete vehicle weight and center of gravity, to reduce batteries of electric automobile consumption and carry High electric vehicle stability.In-wheel motor driving form is known as the ultimate drive form of electric vehicle by industry.
The method of four wheel coordinate operations of existing control mainly has electronic differential and Torque Control, and nerve was not used Network control method, under the intelligentized continuous development of future automobile, controlling running car using neural network control method is One very promising method.
Invention content
It is an object of the invention to:In view of the defects existing in the prior art, a kind of pure electric vehicle based on neural network is proposed Automobile four-wheel rotating speed method for independently controlling, according to the behavior of driver, using neural network control method, according to four, automobile The actual speed of wheel distributes rational acceleration to each wheel, enables four wheel coordinate operations.
In order to reach object above, the present invention provides a kind of, and four wheel speed of pure electric automobile based on neural network is only Vertical control method, using all driving behaviors of Hopfield neural network analysis drivers same time, and is closed on this basis Reason distribution four-wheel speed, drives vehicle smooth-ride;
Include the following steps:
Step 1) is directed under various driving environments, the driving behavior in driver's same time, the driving of collection vehicle Data establish situation of remote database, and thus obtain sample;
Step 2), by extracting vehicle-state feature and driving behavior in the sample data in step 1, according to sample Feature determines the input quantity and output quantity of Hopfield neural networks, builds Hopfield neural network models:Including construction god Object function, energy function through network and dynamical equation, the weight w between each neuronijB is inputted with biasingi
Step 3) is input to the feature vector in step 2 as training set data in Hopfield neural network models Parsing training is carried out, optimization Hopfield neural network models are to complete Hopfield neural network speed setting controllers;
Step 4) inputs the real time data of acquisition into trained Hopfield neural networks speed setting controller, Matching generates the required vehicle data of driving vehicle smooth-ride.
Further, in the step 1), driving data includes by gas pedal aperture, brake pedal aperture, gear, side The driver formed to disk corner controls the rotating speed of intent data and four wheels;And the data of collection are handled, it will be oily Door pedal aperture, brake pedal aperture, the data of gear and steering wheel angle are processed into 4 × 1 column vector pq, and normalize;It will The rotating speed of four wheels is processed into 4 × 1 column vector tq, and normalizes.
Further, in the step 2), the controlling behavior of vehicle is analyzed according to driver, show that it controls shadow Ring car speed four variables be:Gas pedal aperture, brake pedal aperture, gear, steering wheel angle, therefore set The input quantity of Hopfield neural networks is four, including gas pedal aperture, brake pedal aperture, gear and steering wheel turn Angle;Output quantity is four, including four respective angular acceleration of wheel, to control the increase and decrease of four vehicle wheel rotational speeds.
Further, number of the Hopfield neural network models based on input quantity and output quantity, two layers of structure Network structure, respectively feedover layer and recurrence layer;Recurrence layer is initialized using the output of feedforward layer, and standard is pointed out in output Relationship between pattern and input vector.
Further, in the step 3, build learning rules, successively change Hopfield neural networks weights and partially It sets;The learning rules are Wnew=Wold+ △ W, bnew=bold+△b。
The performance function f (X) and error threshold of quadratic function type are set according to learning rules, when performance function value reaches Weights and biasing are changed when global minima, when sample mean square deviation is in allowable error threshold value, deconditioning Hopfield nerves Network;
Using the Hebb learning rules with decaying, the connection weight matrix for obtaining model is:
W (q)=(1- γ) W (q-1)+α a (q) PT(q),
Wherein, learning rate isλmaxIt is the maximum eigenvalue of Hassian matrix A, output rotating speed aqBy acceleration Product αi(i=1,2,3,4) divide gained;
The quadratic performance function
The error threshold is 0.01, and when sample mean square deviation is less than error threshold, training stops.
Further, in the feedforward layer, weights are 4 × 4 matrixes, are biased to 4 × 1 column vectors;In the recurrence layer, power Value is 4 × 4 matrixes, no biasing.
Further, four wheels of the pure electric automobile are independently installed there are one wheel hub motor, and the wheel hub is electric Machine is used to respectively drive or the corresponding wheel of feedback, and the principle drawn close to intermediate speed using high and low rotating speed, by straight Direct torque electric current and voltage are connect with regulation motor rotating speed.
Further, in the step 4, Hopfield neural network speed setting controllers receive driver and control signal of intent And four vehicles turn wheel speed signal, handle signal according to learning rules, are handled according to current wheel actual speed and driver intention Signal provides correct Acceleration Control signal, and sends control signals to four wheel hub motors;Wherein, driver controls It is intended between Hopfield neural network speed setting controllers be one-way transmission, vehicle wheel rotational speed and Hopfield neural network tune It is transmitted in both directions between fast controller.
Beneficial effects of the present invention include:(1) control method provided through the invention can solve pure electric automobile Each vehicle wheel rotational speed problem of disharmony during more independent drivings of wheel, coordinates four vehicles in the case where catering to driver intention Wheel speed.(2) many mechanical driving devices are saved, using electronic control system, complete vehicle weight and center of gravity are reduced, to reduce Batteries of electric automobile consumes and improves electric vehicle stability.
Description of the drawings
The present invention will be further described below with reference to the drawings.
Fig. 1 is the illustraton of model of the present invention.
Fig. 2 is that Hopfield neural network weights adjust flow diagram in the present invention.
Fig. 3 is Hopfield neural network neuromere learning rules schematic diagrames in the present invention.
Specific implementation mode
It present embodiments provides a kind of based on four wheel speed independent control of Hopfield neural networks pure electric automobile Method, using all driving behaviors of Hopfield neural network analysis drivers same time, and on this basis rationally point With four-wheel speed, vehicle smooth-ride is driven, as shown in Figure 1.Wherein, 1- driver, which controls, is intended to, gas pedal aperture, system The signal of dynamic pedal aperture, gear and steering wheel angle all can unidirectionally be transmitted directly to Hopfield neural network speed regulating controls Device.2- driver, which controls, to be intended between Hopfield neural network speed setting controllers be one-way transmission.3-Hopfield nerves Network speed setting controller.Receive driver's control signal of intent and four vehicles turn wheel speed signal, and handling signal later will control Signal is sent to four wheel hub motors.Wheel hub motor in 4- wheels.5- vehicle wheel rotational speeds and Hopfield neural network speed governing controls It is transmitted in both directions between device processed, Hopfield handles signal according to current wheel actual speed and driver intention, provides correct Reaction.
Include the following steps:
Step 1) is directed under various driving environments, the driving behavior in driver's same time, the driving of collection vehicle Data include the rotating speed of gas pedal aperture, brake pedal aperture, gear, steering wheel angle and four wheels.
Vehicle carries out network communication using CAN bus, and driver is arrived driving/braking signal transmission by pedal assembly CAN network, while onboard sensor, hub motor control device and other electrical equipments acquire signal transmission to CAN communication network On, entire car controller acquires CAN network real-time data signal, judges according to integrated vehicle control tactics and sends command adapted thereto To CAN communication network, and corresponding data is recorded, and establishes situation of remote database, and the data of collection are handled, The data of gas pedal aperture, brake pedal aperture, gear and steering wheel angle are processed into 4 × 1 column vector pq, and normalizing Change;The rotating speed of four wheels is processed into 4 × 1 column vector tq, and is normalized, sample is thus obtained.
Step 2), by extracting vehicle-state feature and driving behavior in the sample data in step 1, according to driving Member analyzes the controlling behavior of vehicle, show that four variables that its control influences car speed are:Gas pedal aperture, Brake pedal aperture, gear, steering wheel angle, therefore the input quantity of Hopfield neural networks is set as four, including throttle Pedal aperture, brake pedal aperture, gear and steering wheel angle;And output quantity is then four, including four respective angles of wheel Acceleration, to control the increase and decrease of four vehicle wheel rotational speeds.Thus Hopfield neural network models are built:Including constructing nerve net Object function, energy function and the dynamical equation of network, the weight w between each neuronijB is inputted with biasingi
Number of the Hopfield neural network models based on input quantity and output quantity, structure are two-tier network structure, point Wei not feedover layer and recurrence layer;Recurrence layer using feedforward layer output initialized, output point out mode standard and input to Relationship between amount.Wherein, it feedovers in layer, weights are 4 × 4 matrixes, are biased to 4 × 1 column vectors;In recurrence layer, weights 4 × 4 matrixes, no biasing.
Step 3) is input to the feature vector in step 2 as training set data in Hopfield neural network models Parsing training is carried out, optimization Hopfield neural network models are to complete Hopfield neural network speed setting controllers;Structure is learned Rule is practised, changes weights and the biasing of Hopfield neural networks successively;The learning rules are Wnew=Wold+ △ W, bnew= bold+△b。
The performance function f (X) and error threshold of quadratic function type are set according to learning rules, when performance function value reaches Weights and biasing are changed when global minima, when sample mean square deviation is in allowable error threshold value, deconditioning Hopfield nerves Network;
Using the Hebb learning rules with decaying, the connection weight matrix for obtaining model is:
W (q)=(1- γ) W (q-1)+α a (q) PT(q),
Wherein, learning rate isλmaxIt is the maximum eigenvalue of Hassian matrix A, output rotating speed aqBy acceleration Product αi(i=1,2,3,4) divide gained;
The quadratic performance function
The error threshold is 0.01, and when sample mean square deviation is less than error threshold, training stops.
Step 4) inputs the real time data of acquisition into trained Hopfield neural networks, and matching, which generates, drives The required vehicle data of motor-car smooth-ride.The principle drawn close to intermediate speed using high and low rotating speed.In traveling, wheel hub electricity Machine drives the torque of each wheel to be controlled and distributed by central controller, and when the vehicle is turning, central controller is according to side Contact with road surface corner from the feedback of friction to disk and wheel, the rotating speed of foreign steamer in adjust automatically vehicle;When there is some vehicle Wheel run out of steam skidding when, central controller according to the torque of the corresponding wheel hub motor of feedback adjustment export, carry out corresponding wheel Braking.
In addition to the implementation, the present invention can also have other embodiment.It is all to use equivalent substitution or equivalent transformation shape At technical solution, fall within the scope of protection required by the present invention.

Claims (10)

1. a kind of four wheel speed method for independently controlling of pure electric automobile based on neural network, it is characterised in that:It utilizes All driving behaviors of Hopfield neural network analysis drivers same time, and reasonable distribution four-wheel speed on this basis, Drive vehicle smooth-ride;
Include the following steps:
Step 1) is directed under various driving environments, the driving behavior in driver's same time, the driving data of collection vehicle, Situation of remote database is established, and thus obtains sample;
Step 2), by extracting vehicle-state feature and driving behavior in the sample data in step 1, it is true according to sample characteristics The input quantity and output quantity for determining Hopfield neural networks, build Hopfield neural network models:Including constructing neural network Object function, energy function and dynamical equation, the weight w between each neuronijB is inputted with biasingi
Feature vector in step 2 is input to as training set data in Hopfield neural network models and carries out by step 3) Parsing training, optimization Hopfield neural network models are to complete Hopfield neural network speed setting controllers;
Step 4) inputs the real time data of acquisition into trained Hopfield neural networks speed setting controller, matching Generate the required vehicle data of driving vehicle smooth-ride.
2. the pure electric automobile four wheel speed method for independently controlling according to claim 1 based on neural network, feature It is:In the step 1), driving data includes being made of gas pedal aperture, brake pedal aperture, gear, steering wheel angle Driver control the rotating speed of intent data and four wheels;And the data of collection are handled, by gas pedal aperture, system The data of dynamic pedal aperture, gear and steering wheel angle are processed into 4 × 1 column vector pq, and normalize;By the rotating speed of four wheels It is processed into 4 × 1 column vector tq, and is normalized.
3. the pure electric automobile four wheel speed method for independently controlling according to claim 1 based on neural network, feature It is:In the step 2), the controlling behavior of vehicle is analyzed according to driver, show that its control influences car speed Four variables are:Gas pedal aperture, brake pedal aperture, gear, steering wheel angle, therefore set Hopfield neural networks Input quantity be four, including gas pedal aperture, brake pedal aperture, gear and steering wheel angle;
Output quantity is four, including four respective angular acceleration of wheel, to control the increase and decrease of four vehicle wheel rotational speeds.
4. the pure electric automobile four wheel speed method for independently controlling according to claim 3 based on neural network, feature It is:Number of the Hopfield neural network models based on input quantity and output quantity, structure are two-tier network structure, point Wei not feedover layer and recurrence layer;Recurrence layer using feedforward layer output initialized, output point out mode standard and input to Relationship between amount.
5. the pure electric automobile four wheel speed method for independently controlling according to claim 1 based on neural network, feature It is:In the step 3, learning rules are built, change weights and the biasing of Hopfield neural networks successively;The study rule It is then Wnew=Wold+ △ W, bnew=bold+△b。
6. the pure electric automobile four wheel speed method for independently controlling according to claim 5 based on neural network, feature It is:In the step 3, the performance function f (X) and error threshold of quadratic function type are set according to learning rules, when performance letter Modification weights and biasing when numerical value reaches global minima, when sample mean square deviation is in allowable error threshold value, deconditioning Hopfield neural networks;
Using the Hebb learning rules with decaying, the connection weight matrix for obtaining model is:
W (q)=(1- γ) W (q-1)+α a (q) PT(q),
Wherein, learning rate isλmaxIt is the maximum eigenvalue of Hassian matrix A, output rotating speed aqα is accumulated by accelerationi(i =1,2,3,4) divide gained;
The quadratic performance function
7. the pure electric automobile four wheel speed method for independently controlling according to claim 6 based on neural network, feature It is:The error threshold is 0.01, and when sample mean square deviation is less than error threshold, training stops.
8. the pure electric automobile four wheel speed method for independently controlling according to claim 5 based on neural network, feature It is:In the feedforward layer, weights are 4 × 4 matrixes, are biased to 4 × 1 column vectors;In the recurrence layer, weights are 4 × 4 squares Battle array, no biasing.
9. the pure electric automobile four wheel speed method for independently controlling according to claim 1 based on neural network, feature It is:Four wheels of the pure electric automobile are independently installed there are one wheel hub motor, and the wheel hub motor is used to distinguish Driving or the corresponding wheel of feedback, and the principle drawn close to intermediate speed using high and low rotating speed, pass through Direct Torque Control Electric current and voltage are with regulation motor rotating speed.
10. the pure electric automobile four wheel speed method for independently controlling according to claim 1 based on neural network, feature It is:In the step 4, Hopfield neural network speed setting controllers receive driver and control signal of intent and four vehicle runners Fast signal, signal is handled according to learning rules, and signal is handled according to current wheel actual speed and driver intention, is provided correct Acceleration Control signal, and send control signals to four wheel hub motors;Wherein, driver controls intention and Hopfield It is one-way transmission between neural network speed setting controller, is double between vehicle wheel rotational speed and Hopfield neural network speed setting controllers To transmission.
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109334469A (en) * 2018-10-23 2019-02-15 珠海格力电器股份有限公司 A kind of method of differential control electric car vehicle wheel rotational speed
CN110188683A (en) * 2019-05-30 2019-08-30 北京理工大学 A kind of automatic Pilot control method based on CNN-LSTM
CN111722610A (en) * 2019-03-20 2020-09-29 北京新能源汽车股份有限公司 Test case generation method and device
CN116968704A (en) * 2023-09-21 2023-10-31 小米汽车科技有限公司 Vehicle brake control method, device, storage medium and vehicle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103605285A (en) * 2013-11-21 2014-02-26 南京理工大学 Fuzzy nerve network control method for automobile driving robot system
CN104210383A (en) * 2014-09-18 2014-12-17 上海工程技术大学 Four-wheel independently driven electric vehicle torque distribution control method and system
CN105136469A (en) * 2015-07-23 2015-12-09 江苏大学 Unmanned vehicle speed control method based on PSO and RBF neutral network
CN103950471B (en) * 2014-04-03 2016-03-02 吉林大学 Two track unit adaptive steering system and implementation method
KR20180009942A (en) * 2016-07-20 2018-01-30 현대오트론 주식회사 Apparatus and method for deciding tire deflation
CN107696915A (en) * 2017-09-20 2018-02-16 江苏大学 A kind of wheeled driving control system of electric automobile based on hierarchical control and its control method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103605285A (en) * 2013-11-21 2014-02-26 南京理工大学 Fuzzy nerve network control method for automobile driving robot system
CN103950471B (en) * 2014-04-03 2016-03-02 吉林大学 Two track unit adaptive steering system and implementation method
CN104210383A (en) * 2014-09-18 2014-12-17 上海工程技术大学 Four-wheel independently driven electric vehicle torque distribution control method and system
CN105136469A (en) * 2015-07-23 2015-12-09 江苏大学 Unmanned vehicle speed control method based on PSO and RBF neutral network
KR20180009942A (en) * 2016-07-20 2018-01-30 현대오트론 주식회사 Apparatus and method for deciding tire deflation
CN107696915A (en) * 2017-09-20 2018-02-16 江苏大学 A kind of wheeled driving control system of electric automobile based on hierarchical control and its control method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109334469A (en) * 2018-10-23 2019-02-15 珠海格力电器股份有限公司 A kind of method of differential control electric car vehicle wheel rotational speed
CN109334469B (en) * 2018-10-23 2020-12-22 珠海格力电器股份有限公司 Method for differentially controlling wheel rotation speed of electric automobile
CN111722610A (en) * 2019-03-20 2020-09-29 北京新能源汽车股份有限公司 Test case generation method and device
CN110188683A (en) * 2019-05-30 2019-08-30 北京理工大学 A kind of automatic Pilot control method based on CNN-LSTM
CN116968704A (en) * 2023-09-21 2023-10-31 小米汽车科技有限公司 Vehicle brake control method, device, storage medium and vehicle
CN116968704B (en) * 2023-09-21 2024-01-02 小米汽车科技有限公司 Vehicle brake control method, device, storage medium and vehicle

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