CN202499131U - Hybrid vehicle energy switching control system in multiple working modes - Google Patents
Hybrid vehicle energy switching control system in multiple working modes Download PDFInfo
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- CN202499131U CN202499131U CN201220010451XU CN201220010451U CN202499131U CN 202499131 U CN202499131 U CN 202499131U CN 201220010451X U CN201220010451X U CN 201220010451XU CN 201220010451 U CN201220010451 U CN 201220010451U CN 202499131 U CN202499131 U CN 202499131U
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Abstract
Provided is a hybrid vehicle energy switching control system in multiple working modes. On the basis of the vehicle running environment and road conditions which are real time detected by a vehicle GPS positioning system and a sensor, and the current running road condition of the hybrid vehicle, a relevant vehicle working mode is determined, specifically four working modes of engine driving, motor driving, engine and motor hybrid driving, and energy feedback regeneration brake. Then, a multiple-mode switching control rule with the running road condition as a driving is designed, and a relevant controller is designed respectively for each working mode. According to the utility model, the best vehicle driving mode is controlled on the basis of the running environment and the running road condition. Therefore, the vehicle exhaust emission amount is reduced, the fuel use is saved, development of environmental protection vehicles and green vehicles is speeded up, and the running endurance ability of the hybrid vehicle is improved.
Description
Technical field
The utility model belongs to hybrid vehicle energy management and control field, the energy handover control system under especially a kind of hybrid vehicle multi-operation mode.
Background technology
In recent years, along with becoming increasingly conspicuous of global environment and energy problem, the new automobile of exploitation anti-emission carburetor, low oil consumption becomes the top priority of current automobile industry development.Hybrid vehicle is just for solving the novel clean energy resource automobile of energy shock and auto emission problem exploitation; It merges pure electric automobile and traditional fuel-engined vehicle advantage; Both had the energy-conservation characteristics with environmental protection of pure electric automobile, improved the fuel-economy performance and the emission behavior of car load, and inherited traditional fuel-engined vehicle again and continued the long advantage of travelled distance; Become anti-emission carburetor, the low energy consumption automobile of now tool application prospect, represented an important directions of earlier 2000s development of automobile.
Hybrid vehicle is meant engine drive and direct motor drive is share on same the automobile; It has two or more energy sources; Through the operation of each parts of energy management policy co-ordination, two kinds or more energy conversion technique (like driving engine, electrical generator, electrical motor) and one or more energy storage technologies (like fuel, battery, flywheel) are gathered in one, according to the demand of driving cycle; Switch the different working pattern; To give full play to the advantage of engine automobile and pure electric automobile, when realizing anti-emission carburetor and improving fuel economy, taken into account the dynamic property of driver comfort and car load, the energy that final realization is best distributes.
The energy management strategy is according to the operation of chaufeur; Like acceleration pedal, brake pedal etc.; Judge the intention of chaufeur, satisfying under the prerequisite of vehicle power property, the output of the power of optimum allocation driving engine, motor; Realize the Optimal Management and the distribution of energy, improve the fuel economy and the emission performance of automobile.Hybrid vehicle energy management strategy is the state-of-charge balance of considered electrokinetic cell also, with extending battery life, reduces the vehicle maintenance cost.
The hybrid vehicle control policy that has proposed at present mainly contains: (1) limits the static logic thresholding control policy in engine operation district simply; (2) through calculating the instantaneous optimization control policy of relatively confirming the best operating point of driving engine and electrical motor in real time; (3) global optimum's control policy of application of optimal control theory and optimization method; This control policy is according to the difference of employed control method; Be divided into again based on the Multiple Objective Mathematical Programming method, based on the classic calculus of variations with based on three kinds of the energy management strategies of Bellman theory of dynamic programming, wherein the most ripe energy management strategy that is based on the Bellman theory of dynamic programming of research; (4) based on the Intelligent Control Strategy of fuzzy logic or neural network.Above-mentioned research has all improved hybrid vehicle energy management strategy to a certain extent, has improved vehicle performance, but also very unripe.Only carry out design-calculated logic threshold energy management strategy at present and in the actuals hybrid vehicle, obtained application based on engineering experience; But this method mainly relies on existing experience that the parameter initial value is set; In conjunction with " trial and error method " these parameters are adjusted; Though have certain practicality, can not guarantee the optimum matching of power system, can't make Full Vehicle System reach maximal efficiency.Global optimum's energy management strategy can be in the hope of the globally optimal solution of control variable (like the engine/motor torque), but these methods need driving cycle known, is difficult to be applied to real vehicle control.Instantaneous optimization energy management strategy can be realized that under the operating mode condition of unknown each fuel oil consumption constantly is minimum, but need a large amount of floating point operations, realizes comparatively difficulty.In addition, based on the Based Intelligent Control energy management strategy of fuzzy logic, though have strong robustness, advantage that real-time is good, the foundation of its fuzzy controller mainly relies on experience, can't obtain global optimum.Because hybrid vehicle energy management policing issue is the quasi-representative multivariate nonlinear dynamic optimization problem of (not only comprising continuous variable but also comprise discrete variable); So difficulty obtains important breakthrough theoretically with a certain method, still there is not the technical bottleneck that the optimal solution that can be applicable to real vehicle control breaks through energy management strategy practicability, high performance at present.Along with going deep into of research, people begin progressively to recognize hybrid vehicle importance and challenges discrete and coexisting issues continuously.
Based on above reason, its key problem is how to design a kind of simple, practical hybrid vehicle multi-energy management system, and to reduce the emission of automobile wastes amount, the development of environmentally friendly vehicle, green vehicle is quickened in fuel-efficient use.
The utility model content
The purpose of the utility model is the deficiency for solving the problems of the technologies described above; Energy handover control system under a kind of hybrid vehicle multi-operation mode is provided; Combine the electric weight of battery pack to feed back the best automobile drive pattern of Comprehensive Control according to the running environment and the road conditions of going to reduce the emission of automobile wastes amount; Save the use of fuel oil, quicken the development of environmentally friendly vehicle, green vehicle, improve the flying power of hybrid vehicle.
The utility model is the deficiency that solves the problems of the technologies described above; The technical scheme that is adopted is: the energy handover control system under the hybrid vehicle multi-operation mode; Mainly constitute by system's master controller, GPS locating module, sensor in real time detection module, driving engine, motor, power synthesizer, battery pack and change-speed box; The signal of the ARC Acceleration Signal of hybrid vehicle, speed-slackening signal and GPS locating module and the output of sensor in real time detection module all inputs to system's master controller, and system's master controller has A, B, C, four signal output parts of D, and the a-signal mouth inputs to engine controller; The mouth of engine controller links to each other with driving engine; The mouth of driving engine is connected with the power synthesizer through power-transfer clutch, and the B signal output part inputs to the regenerative brake module, and the regenerative brake module is through the electric machine controller drive motor; The mouth of motor is connected with the power synthesizer; The mouth of power synthesizer offers hybrid vehicle through gearbox output and with power, and the C signal output part is through variable-speed controller input change-speed box, and the D signal output part inputs to battery pack through battery controller; Also be provided with signal transmssion line between battery pack and the system's master controller, be used for monitoring in real time the residual electric quantity of battery.
The beneficial effect of the utility model is:
Running car environment and road conditions that multi-model switching controls energy management method under this hybrid vehicle multi-operation mode utilizes its vehicle GPS locating module and sensor in real time detection module to arrive; Controller switches to corresponding work mode according to detected information, reaches the purpose that reduces discharging, saves fuel oil.This apparatus structure is simple, and is easy to use, will quicken the development of environmentally friendly vehicle, green vehicle, improves the flying power of hybrid vehicle greatly.
Description of drawings
Fig. 1 is the control system structural representation of the hybrid vehicle of the utility model;
Reference numeral: 1, system's master controller, 2, the GPS locating module, 3, the sensor in real time detection module, 4, driving engine, 5, motor; 6, power synthesizer, 7, battery pack, 8, engine controller, 9, the regenerative brake module, 10, electric machine controller; 11, variable-speed controller, 12, change-speed box, 13, battery controller, 14, battery pack SOC prediction module, 15, ARC Acceleration Signal; 16, speed-slackening signal, 17, drg, 18, main reduction gear, 19, wheel, 20, power-transfer clutch.
The specific embodiment
As shown in Figure 1, the heavy line among Fig. 1 is a mechanical connection, and the band arrow is a control signal; Dotted line is for being electrically connected; Energy handover control system under the hybrid vehicle multi-operation mode mainly is made up of system's master controller 1, GPS locating module 2, sensor in real time detection module 3, driving engine 4, motor 5, power synthesizer 6, battery pack 7 and change-speed box 12, and the signal of the ARC Acceleration Signal 15 of hybrid vehicle, speed-slackening signal 16 and GPS locating module and the output of sensor in real time detection module all inputs to system's master controller 1; System's master controller 1 has A, B, C, four signal output parts of D; The a-signal mouth inputs to engine controller 8, and the mouth of engine controller 8 links to each other with driving engine 4, and the mouth of driving engine 4 is connected with power synthesizer 6 through power-transfer clutch 20; The B signal output part inputs to regenerative brake module 9; Regenerative brake module 9 is through electric machine controller 10 drive motor 5, and the mouth of motor 5 is connected with power synthesizer 6, and the mouth of power synthesizer 6 offers hybrid vehicle through change-speed box 12 outputs and with power; The C signal output part links to each other with the input end of change-speed box 12 through variable-speed controller 11; The D signal output part inputs to battery pack 7 through battery controller 13, also is provided with battery pack SOC prediction module 14 between battery pack 7 and the system's master controller 1, and system master controller 1 is monitored the residual electric quantity of battery pack 7 in real time through battery pack SOC prediction module 14; Electric machine controller 10 electrically connects with battery pack 7; When electric weight was not enough, system's master controller was exported to the control signal of batteries charging, also is provided with signal transmssion line between system's master controller 1 and the drg 17.
The present invention, regenerative brake module 9 used in this hybrid vehicle is a prior art, effect this module has two in system aspect, one of which, the opposing torque that utilizes driving engine and motor braking to produce makes car retardation or parking; Its two, transform the kinetic energy of vehicle and store at glancing impact, rather than become useless heat, as can kinetic energy being converted into electric energy, be battery charge.This system generates electricity through the antiport of motor, thereby battery pack is charged, and has reversal of poles protection, short-circuit protection, overload protection and self recovery function, belongs to prior art.SOC value that can be current according to battery pack adopts preliminary filling, big electric current, constant voltage, little electric current, pulse, six charging stages of floating charge.The charging strategy adopts programming control, and battery is protected automatically.
Sensor in real time detection module 3 of the present invention is divided into ramp sensor and bend sensor, and the ramp sensor mainly is used for detecting upward slope, descending and three kinds of road conditions of level road, and the bend sensor mainly is used for detecting bend, all belongs to existing mature technology.The ramp sensor is similar to electrolevel, generally is divided into inductance type level indicator and condenser level indicator.Inductance type level indicator principle of work is for when the pedestal (being fixed on the automobile domain) of level indicator when tilting because of workpiece for measurement, and its inner pendulum is because of the change of voltage of the mobile induction coil that causes; It is carefully online that its principle of measurement of condenser level indicator is that a circular pendulum freely is suspended on; Pendulum is influenced by the earth's core gravity; And be suspended in no andfrictional conditions; The both sides of pendulum be equipped with electrode and gap when identical capacitance be equal, if level indicator is influenced by workpiece for measurement and cause two gap different distance changes promptly to produce electric capacity difference, the difference of angulation.
Energy method for handover control under the hybrid vehicle multi-operation mode; GPS locating module and sensor in real time detection module are used for monitoring in real time the environment and the road conditions of running car; And with signal output to system master controller; Battery pack feeds back to system's master controller with residual electric quantity simultaneously, and system's master controller has A, B, C, four signal output parts of D, and the a-signal mouth inputs to engine controller; The B signal output part inputs to the regenerative brake module; C signal output part input change-speed box, the D signal output part inputs to battery pack through battery controller, and system's master controller is according to running environment and the electric weight feedback Comprehensive Control automobile drive pattern that goes road conditions and combine battery pack;
The GPS locating module is according to running environment output E district or the two kinds of signal modes in F district; Below the GPS locating module detects this zone speed limit 50km/h, send the signal in E district when (comprising 50km/h) and give system's master controller; Give system's master controller when the GPS locating module detects the signal that this zone speed limit 50km/h sends the F district when above, the sensor in real time detection module is according to road conditions output descending, upward slope, bend or the four kinds of signal modes of level road of going, in actual use; E district in the running environment generally comprises city, rural area and suburb nearby; The outer suburbs, F district and express highway, suburb nearby and the outer suburbs are the demarcation line with stated-speed sign 50km/h, therefore distinguish E, two kinds of driving cycles of F according to the running environment of automobile; To the E operating mode; The emission performance index of the emphasis considered automobile of preferential control, to the F operating mode, the fuel economy index of the emphasis considered automobile of preferential control.According to running environment and traffic information; The mode of operation of automobile comprises four kinds on engine drive, motor-driven, driving engine and motor combination drive, energy feedback regenerative brake; Each mode of operation is designed corresponding controller respectively; And to be designed with the road conditions of going be the multi-model switching controls rule of driving, so that select corresponding work mode and control algorithm.
When system's master controller receives the E district signal that the GPS locating module sends, the simultaneity factor master controller detects SOC value＜50% o'clock of battery pack, and system's master controller output signal control driving engine independent drive is simultaneously to batteries charging;
When system's master controller receives the E district signal that the GPS locating module sends, the SOC value that the simultaneity factor master controller detects battery pack 50%-70% the time, system's master controller output signal control driving engine independent drive;
When system's master controller receives the upward slope signal that E district signal that the GPS locating module sends and sensor in real time detection module send; The SOC value that the simultaneity factor master controller detects battery pack 70%-90% the time, system's master controller output signal control driving engine and motor combination drive;
When system's master controller receives the level road signal that E district signal that the GPS locating module sends and sensor in real time detection module send; The SOC value that the simultaneity factor master controller detects battery pack is 70%-90% the time, and system's master controller output signal control motor independent drive is simultaneously to batteries charging;
When system's master controller receives the E district signal that the GPS locating module sends, the simultaneity factor master controller detects SOC value＞90% o'clock of battery pack, system's master controller output signal control motor independent drive;
When system's master controller receives descending or the bend signal that E district signal that the GPS locating module sends and sensor in real time detection module send; The simultaneity factor master controller detects SOC value＜90% o'clock of battery pack, and system's master controller output signal control driving engine independent drive is carried out energy feedback regenerative brake simultaneously;
When system's master controller receives the F district signal that the GPS locating module sends, the simultaneity factor master controller detects SOC value＜50% o'clock of battery pack, and system's master controller output signal control driving engine independent drive is simultaneously to batteries charging;
When system's master controller receives the F district signal that the GPS locating module sends, the SOC value that the simultaneity factor master controller detects battery pack 50%-70% the time, system's master controller output signal control driving engine independent drive;
When system's master controller receives the upward slope signal that F district signal that the GPS locating module sends and sensor in real time detection module send; The SOC value that the simultaneity factor master controller detects battery pack 70%-90% the time, system's master controller output signal control driving engine and motor combination drive;
When system's master controller receives the level road signal that F district signal that the GPS locating module sends and sensor in real time detection module send; The SOC value that the simultaneity factor master controller detects battery pack is 70%-90% the time, and system's master controller output signal control driving engine independent drive is simultaneously to batteries charging;
When system's master controller receives the F district signal that the GPS locating module sends, the simultaneity factor master controller detects SOC value＞90% o'clock of battery pack, system's master controller output signal control motor independent drive;
When system's master controller receives descending or the bend signal that F district signal that the GPS locating module sends and sensor in real time detection module send; The simultaneity factor master controller detects SOC value＜90% o'clock of battery pack, and system's master controller output signal control driving engine independent drive is carried out energy feedback regenerative brake simultaneously.
Claims (1)
1. the energy handover control system under the hybrid vehicle multi-operation mode; It is characterized in that: constitute by system's master controller (1), GPS locating module (2), sensor in real time detection module (3), driving engine (4), motor (5), power synthesizer (6), battery pack (7) and change-speed box (12); The signal of the ARC Acceleration Signal of hybrid vehicle (15), speed-slackening signal (16) and GPS locating module (2) and sensor in real time detection module (3) output all inputs to system's master controller (1); System's master controller has A, B, C, four signal output parts of D; The a-signal mouth inputs to engine controller (8); The mouth of engine controller (8) links to each other with driving engine (4); The mouth of driving engine (4) is connected with power synthesizer (6) through power-transfer clutch (20), and the B signal output part inputs to regenerative brake module (9), and regenerative brake module (9) is through electric machine controller (10) drive motor (5); The mouth of motor (5) is connected with power synthesizer (6); The mouth of power synthesizer (6) offers hybrid vehicle through change-speed box (12) output and with power, and the C signal output part is through variable-speed controller (11) input change-speed box (12), and the D signal output part inputs to battery pack (7) through battery controller (13); Also be provided with signal transmssion line between battery pack (7) and the system's master controller (1), be used for monitoring in real time the residual electric quantity of battery.
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| CN201220010451XU CN202499131U (en) | 2012-01-11 | 2012-01-11 | Hybrid vehicle energy switching control system in multiple working modes |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556055A (en) * | 2012-01-11 | 2012-07-11 | 河南科技大学 | Energy switching control method and energy switching control system for hybrid electric vehicle in multiple operating modes |
| CN102951037A (en) * | 2012-11-16 | 2013-03-06 | 同济大学 | Multimode automatic switching method for energy control strategies of extended-range electric vehicle |
| CN103507804A (en) * | 2013-09-03 | 2014-01-15 | 潍柴动力股份有限公司 | Power output method and system |
| CN108622080A (en) * | 2018-06-20 | 2018-10-09 | 上海博泰悦臻网络技术服务有限公司 | Power drive mode switching method based on hybrid vehicle and hybrid vehicle |
| CN112000005A (en) * | 2020-06-29 | 2020-11-27 | 吉林大学 | Target-shooting solving method for slope economy cruise switching control parameters |
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2012
- 2012-01-11 CN CN201220010451XU patent/CN202499131U/en not_active Withdrawn - After Issue
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102556055A (en) * | 2012-01-11 | 2012-07-11 | 河南科技大学 | Energy switching control method and energy switching control system for hybrid electric vehicle in multiple operating modes |
| CN102556055B (en) * | 2012-01-11 | 2014-06-18 | 河南科技大学 | Energy switching control method and energy switching control system for hybrid electric vehicle in multiple operating modes |
| CN102951037A (en) * | 2012-11-16 | 2013-03-06 | 同济大学 | Multimode automatic switching method for energy control strategies of extended-range electric vehicle |
| CN102951037B (en) * | 2012-11-16 | 2015-06-24 | 同济大学 | Multimode automatic switching method for energy control strategies of extended-range electric vehicle |
| CN103507804A (en) * | 2013-09-03 | 2014-01-15 | 潍柴动力股份有限公司 | Power output method and system |
| CN103507804B (en) * | 2013-09-03 | 2016-05-11 | 潍柴动力股份有限公司 | A kind of power output method and system |
| CN108622080A (en) * | 2018-06-20 | 2018-10-09 | 上海博泰悦臻网络技术服务有限公司 | Power drive mode switching method based on hybrid vehicle and hybrid vehicle |
| CN108622080B (en) * | 2018-06-20 | 2022-03-25 | 上海博泰悦臻网络技术服务有限公司 | Power driving mode switching method based on hybrid electric vehicle and hybrid electric vehicle |
| CN112000005A (en) * | 2020-06-29 | 2020-11-27 | 吉林大学 | Target-shooting solving method for slope economy cruise switching control parameters |
| CN112000005B (en) * | 2020-06-29 | 2021-12-21 | 吉林大学 | Target-shooting solving method for slope economy cruise switching control parameters |
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Granted publication date: 20121024 Effective date of abandoning: 20140618 |
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