CN1415498A - Method for designing power assembly of fuel cell saloon car - Google Patents
Method for designing power assembly of fuel cell saloon car Download PDFInfo
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- CN1415498A CN1415498A CN 02145177 CN02145177A CN1415498A CN 1415498 A CN1415498 A CN 1415498A CN 02145177 CN02145177 CN 02145177 CN 02145177 A CN02145177 A CN 02145177A CN 1415498 A CN1415498 A CN 1415498A
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Abstract
A design method of power assemblage with fuel battery for the multi-energy car is based on the analysis to different working conditions, and features that the configuration scheme of said power assemblage can be optimized, the performance requirements to the subassemblages of power supply and electric drive, and the control system of multi-energy power assemblage can be correctly calculated out, and the dynamic characteristics and efficiency working area of said power assemblage are determined, so providing the clear design target.
Description
Technical field
The present invention relates to a kind of car drive assembly method of designing, relate to a kind of fuel-cell car dynamic assembly method of designing specifically.
Background technology
The dynamic assembly of fuel-cell car drives branch unit by electricity, the fuel battery engines branch unit, and other power supply branch unit, the multipotency source control system is formed.Compare the method for designing of power system and process with orthodox car and exist in essence difference.Therefore orthodox car is compared the method for designing of power system and the dynamic assembly that process can't be applied to fuel-cell car.Along with developing rapidly of science and technology, fuel-cell car has become countries in the world government, car manufactures and scientific research personnel's research emphasis.Therefore researching and developing a kind of fuel-cell car dynamic assembly design system will have crucial society and economic benefit.
Summary of the invention
The technical issues that need to address of the present invention are to disclose a kind of fuel-cell car dynamic assembly method of designing, to satisfy the needs of relevant department and development of the situation.
Technical scheme of the present invention:
According to the car load requirement, determine the dynamic assembly scheme by performance analysis, and calculate the performance requirement of each branch unit in the dynamic assembly, the performance requirement of each branch unit is improved in analysis through performance simulation, draws composition, parameter, dynamic characteristics and the efficacious workaround of each branch unit in the dynamic assembly at last.
Description of drawings
Fig. 1 is chief component of the present invention and workflow diagram.
Fig. 2 is the FB(flow block) of performance analysis module.
Fig. 3 is the purpose and the effect of typical recycling operating mode and characteristic feature operating mode.
Fig. 4 is performance simulation analysis process figure.
The specific embodiment
Referring to Fig. 1, system of the present invention comprises:
A car load general design requirement module 1;
The concept design module 2 of a dynamic assembly, according to the car load general design requirement, it is the dynamic assembly scheme that car load is tentatively determined in dynamic property, economy, handling stability requirement etc., this scheme comprises fuel battery engine system, other power supply branch unit, the motor-driven branch unit, the multipotency source control system;
An operating mode selected module 5;
A performance analysis module 3 and a performance emulation module 4, according to the operating mode that operating mode selected module 5 is selected for use car load is carried out performance analysis, and performance simulation analysis, calculate the performance requriements of car load to each branch unit in the dynamic assembly, the composition that comprises each branch unit in the dynamic assembly, parameter and characteristic, and input database 6, this data bank 6 comprises fuel-cell car car load data, fuel-cell car dynamic assembly characteristic data, control policy, the performance data of each branch unit in the fuel-cell car dynamic assembly, characteristic data, geometric data, controlling models etc., be used for supporting the type selecting of dynamic assembly, determine the power system scheme.This data bank can be finished and bring in constant renewal in along with the appearance of new dynamic assembly and new fuel-cell car design.
By above-mentioned embodiment as seen, the present invention is by setting up the controlling models of integrated vehicle control tactics, branch unit, with dynamic property, economy is that target is carried out the performance simulation analysis to car load, thereby improves the demand of car load to dynamic assembly, determines final power system scheme.
Simultaneously, the present invention calculates the dynamic characteristics and the efficacious workaround of dynamic assembly according to the dynamic assembly scheme by performance analysis.
According to the dynamic characteristics and the efficacious workaround of power system, guaranteeing under the situation of each branch unit performance requriements that the high workload efficient of each branch unit should appear in the efficacious workaround of dynamic assembly.
By above-mentioned disclosed technical scheme as seen, one of chief component of the present invention is a performance analysis module 5, it is the basis of whole dynamic assembly exploitation, instruct the design of dynamic assembly and each branch unit, Fig. 2 is the FB(flow block) of performance analysis system, Fig. 3 is the purpose and the effect of typical recycling operating mode and characteristic feature operating mode, comprising:
An operating mode is determined and analysis module 501, performance requriements and purposes according to vehicle are determined typical recycling operating mode and feature operating mode, according to determined operating mode, analyze speed characteristic, acceleration characteristic, propulsive effort and drive torque characteristic, braking force and lock torque characteristic, energy response, horsepower characteristic, the power variation rate characteristic of car load under this operating mode;
A power demand situation determination module 502, analysis result according to previous step, sum up the power demand situation of vehicle under various operating modes: maximum power, continuous power, the conditions of demand of B.P., the torque demand situation, energy requirement, the efficient region of power system, the dynamic characteristics of power system, according to the power demand of vehicle under various operating modes, sum up the minimum requirements of car load: comprise the fuel battery engines branch unit to each branch unit, the motor-driven branch unit, other power supply branch unit, multipotency source control system, preliminary capacity and the efficient operation zone thereof of determining drive motor, the dynamic characteristics of fuel battery engines and maximum power, the conditions of demand of continuous power, the capacity requirement of other power supply branch unit, the rate of discharge requirement, the requirement of multipotency driving source control system.
Two of chief component of the present invention is performance simulation analysis modules, as Fig. 4, be based on the simulation analysis and modeling instrument of computing machine, introduce the optimization algorithm of recursion, under given constrained condition (19), the primary election dynamic assembly scheme (8) that obtains according to aforementioned stages, and selected optimization derivation algorithm (17) and optimization aim function (13) are further optimized the dynamic assembly scheme.
The departure point of described optimizing process is to design and develop the primary election dynamic assembly scheme (8) that the aforementioned stages of process obtains.Dynamic assembly scheme by primary election can constitute the design framework (10) of being selected the statement of three aspects by dynamic assembly basic scheme, control policy and design variable.
In design framework (10) scope, comprehensive expert database (11) and from the update mode information (9) of the branch unit of parts development department can form the simulation analysis model (12) that can satisfy performance simulation analysis requirement.This simulation analysis model (12) and model analysis process have following three essential characteristics:
1. modularization, promptly allow from existing expert database, to extract each branch unit characteristic model, form the model description of different designs scheme, also allow simultaneously each branch unit renewal characteristic model augment in the expert database (11) with the form of standalone module;
2. the isomery pardon allows the descriptive model of the branch unit descriptive model of different confidence levels and degree of ripeness and statement in many ways to participate in constituting performance simulation analysis (12) math modeling.
3. quantize, i.e. all models and simulation analysis and optimization proposition all has the expression form (13) that mathematics quantizes.This is characterized by the performance simulation analysis result and explains on this quantization characteristic leaching process to optimization aim.This quantizes the discriminant criterion (14) of statement work as optimal design.Propose two kinds of basic optimization targets in the described method and quantize statement:
(1) the optimum fuel rate under given fuel-cell car dynamic assembly performance figure restriction;
(2) satisfy a certain performance figure (such as acceleration capability) the best under the restriction of given specific consumption of fuel.
If the optimal design criterion is set up, then optimal design finishes, and optimal design result (15) is outputed to optimize last handling process (16); Otherwise, according to selected optimization optimizing algorithm (17), in the design space (18) that the constraint condition (19) of optimal design limits, select next design vector, with this design vector is that independent variable forms new design framework (10), promptly form new dynamic assembly basic scheme, control policy and design variable selection result, start next round performance analysis optimization circulation.
At last, in optimizing post-processing (16), mainly finish following analytical calculation work:
1. the parsing of main coupled relation is differentiated between each branch unit of fuel-cell car dynamic assembly;
2. pass through sensivity analysis, the quality that differentiation optimization result's quality and design parameters and design independent variable are chosen.
3. finish the local optimum design of each branch unit of fuel-cell car dynamic assembly under the situation that condition satisfies.
Claims (11)
1. a fuel-cell car dynamic assembly method of designing is characterized in that this system supports fuel-cell car and multipotency source combination drive automotive development process to finish its power system parameter design.
2. method according to claim 1 is characterized in that comprising:
A car load general design requirement (1);
The concept design module (2) of a dynamic assembly according to the car load general design requirement, is tentatively determined the dynamic assembly scheme of car load, comprises the fuel battery engines branch unit, other power supply branch unit, motor-driven branch unit, multipotency source control system;
An operating mode selected module (5);
A performance analysis module (3) and a performance emulation module (4), according to the operating mode that operating mode selected module (5) is selected for use car load is carried out performance analysis, and performance simulation analysis, calculate the performance requriements of car load to each branch unit in the dynamic assembly, and input database (6), be used for supporting the type selecting of each branch unit, determine the power system scheme.
3. method according to claim 2 is characterized in that the branch unit of being addressed comprises its composition, parameter and characteristic.
4. method according to claim 2, it is characterized in that this data bank (6) comprises fuel-cell car car load data, fuel-cell car dynamic assembly characteristic data, control policy, the performance data of each branch unit, characteristic data, geometric data, controlling models in the fuel-cell car dynamic assembly.
5. method according to claim 4 is characterized in that, this data bank (6) can be finished and bring in constant renewal in along with the appearance of new dynamic assembly and new fuel-cell car design.
6. method according to claim 2 is characterized in that, performance analysis module (5) comprising:
An operating mode is determined and analysis module (501), performance requriements and purposes according to vehicle are determined typical recycling operating mode and feature operating mode, according to determined operating mode, analyze speed characteristic, acceleration characteristic, propulsive effort and drive torque characteristic, braking force and lock torque characteristic, energy response, horsepower characteristic, the power variation rate characteristic of car load under this operating mode;
A power demand situation determination module (502) according to analysis result, sums up the power demand situation of vehicle under various operating modes and sums up the minimum requirements of car load to each branch unit.
7. method according to claim 6 is characterized in that said power demand situation comprises the conditions of demand of maximum power, continuous power, B.P., torque demand situation, energy requirement, the efficient region of power system, the dynamic characteristics of power system.
8. method according to claim 6 is characterized in that each branch unit comprises the fuel battery engines branch unit, motor-driven branch unit, the sub-assembly of other power supply, multipotency source control system.
9. method according to claim 1 is characterized in that said performance simulation module (4) is based on the simulation analysis and modeling instrument of computing machine.
10. method according to claim 9, it is characterized in that under given constrained condition (19), the primary election dynamic assembly scheme (8) that obtains according to aforementioned stages, and selected optimization derivation algorithm (17) and optimization aim function (13) are further optimized the dynamic assembly scheme.
11. method according to claim 10, it is characterized in that, the departure point of described optimizing process is to design and develop the primary election dynamic assembly scheme (8) that the aforementioned stages of process obtains, by primary election dynamic assembly forecast scheme configuration by the dynamic assembly basic scheme, control policy and design variable are selected the design framework (10) of three aspects statement, in design framework (10) scope, the update mode information (9) of comprehensive expert database (11) and each assembly of forming from the dynamic assembly of parts development department, formation can be satisfied the simulation analysis model (12) of performance simulation analysis requirement.
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| CN 02145177 CN1415498A (en) | 2002-11-11 | 2002-11-11 | Method for designing power assembly of fuel cell saloon car |
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| CN 02145177 CN1415498A (en) | 2002-11-11 | 2002-11-11 | Method for designing power assembly of fuel cell saloon car |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1897339B (en) * | 2005-07-11 | 2010-05-26 | 上海神力科技有限公司 | Method for integrating modular fuel battery engine of urban bus |
| CN101882174A (en) * | 2010-05-31 | 2010-11-10 | 北汽福田汽车股份有限公司 | Method for optimizing power system parameter of hybrid electric vehicle |
| CN102831230A (en) * | 2012-08-30 | 2012-12-19 | 潍柴动力股份有限公司 | Component type selection method and system of mixed power assembly |
| CN102955866A (en) * | 2011-08-19 | 2013-03-06 | 上海汽车集团股份有限公司 | Method for evaluating and modeling integral performances of full electric vehicle |
| CN103123667A (en) * | 2012-12-30 | 2013-05-29 | 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 | Optimization method of parameter selection of key elements of hydraulic electric compound hybrid power system |
| CN111191385A (en) * | 2020-01-19 | 2020-05-22 | 重庆大学 | Analysis method for electric automobile power assembly configuration |
| CN117864092A (en) * | 2024-03-13 | 2024-04-12 | 盛瑞传动股份有限公司 | Vehicle control method, device, equipment and medium |
-
2002
- 2002-11-11 CN CN 02145177 patent/CN1415498A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1897339B (en) * | 2005-07-11 | 2010-05-26 | 上海神力科技有限公司 | Method for integrating modular fuel battery engine of urban bus |
| CN101882174A (en) * | 2010-05-31 | 2010-11-10 | 北汽福田汽车股份有限公司 | Method for optimizing power system parameter of hybrid electric vehicle |
| CN102955866A (en) * | 2011-08-19 | 2013-03-06 | 上海汽车集团股份有限公司 | Method for evaluating and modeling integral performances of full electric vehicle |
| CN102831230A (en) * | 2012-08-30 | 2012-12-19 | 潍柴动力股份有限公司 | Component type selection method and system of mixed power assembly |
| CN102831230B (en) * | 2012-08-30 | 2015-09-09 | 潍柴动力股份有限公司 | A kind of parts selection method and system of hybrid power assembly |
| CN103123667A (en) * | 2012-12-30 | 2013-05-29 | 徐工集团工程机械股份有限公司江苏徐州工程机械研究院 | Optimization method of parameter selection of key elements of hydraulic electric compound hybrid power system |
| CN111191385A (en) * | 2020-01-19 | 2020-05-22 | 重庆大学 | Analysis method for electric automobile power assembly configuration |
| CN117864092A (en) * | 2024-03-13 | 2024-04-12 | 盛瑞传动股份有限公司 | Vehicle control method, device, equipment and medium |
| CN117864092B (en) * | 2024-03-13 | 2024-06-11 | 盛瑞传动股份有限公司 | Vehicle control method, device, equipment and medium |
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