CN104828084A - Constant speed cruising method for electric vehicle and device - Google Patents
Constant speed cruising method for electric vehicle and device Download PDFInfo
- Publication number
- CN104828084A CN104828084A CN201410804268.0A CN201410804268A CN104828084A CN 104828084 A CN104828084 A CN 104828084A CN 201410804268 A CN201410804268 A CN 201410804268A CN 104828084 A CN104828084 A CN 104828084A
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- speed instruction
- elec
- cruising
- cruising speed
- vehicle
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/10—Vehicle control parameters
- B60L2240/12—Speed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/421—Speed
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
The invention discloses a constant speed cruising method for an electric vehicle and a device. The method comprises steps: whether the electric vehicle enters a constant speed cruising mode is judged, and if the electric vehicle is determined to enter the constant speed cruising mode, a cruising rotation speed instruction is calculated; and according to the state of a motor of the electric vehicle, whether the cruising rotation speed instruction needs to be corrected is judged, if the cruising rotation speed instruction needs to be corrected, a cruising rotation speed instruction after correction is acquired, the cruising rotation speed instruction after correction is outputted to a motor controller, and constant speed cruising of the electric vehicle is realized. According to the constant speed cruising method and the device of the embodiment, according to the state of the motor of the electric vehicle, the cruising rotation speed instruction after correction is outputted to the motor controller, constant speed cruising of the electric vehicle is realized, overload working of the motor can be effectively prevented, the motor enters an over-current protection state, reliability of constant speed cruising control and safety of the vehicle are improved, and the complexity degree and the cost of constant speed cruising control are reduced.
Description
Technical field
The present invention relates to automobile technical field, particularly relate to a kind of constant speed cruising method and device of elec. vehicle.
Background technology
The problem such as warm due to global climate and oil resources are exhausted gradually, and the exploitation of new-energy automobile more and more comes into one's own.Along with the development of ev industry, user has been not only the effect of simply riding instead of walk to the requirement of electronlmobil, more pursues practicality and the variety of its function.Wherein, cruise function enjoys user to expect especially.Orthodox car CCS cruise control system, realize cruise by moment of torsion closed loop control method, make chaufeur can accelerator pedal, the speed of a motor vehicle is set in a fixing speed, allow vehicle according to set speeds, thus greatly alleviate long-distance fatigue of driving.
For electronlmobil, because it does not have engine electric spray system velocity close-loop control mode, therefore enter by record cruise moment moment of torsion and the speed of a motor vehicle, backward simulation goes out chaufeur and to step on the throttle the aperture of pedal, and simulation Das Gaspedal aperture realizes cruise and controls.In addition, also can adopt rotating speed mode, realize cruise by electric machine control rotating speed and control.
But, adopt the control process of analog rate close-loop control mode very complicated, need a large amount of staking-out works, and when condition of road surface changes, can respective change be there is in the actual output torque of motor, control to have an impact to cruise, make the structure of electronlmobil more complicated, cost is higher; Adopt rotating speed mode, under some operating mode, the effect horse power of motor can become large, and under the metastable prerequisite of car load high-tension current voltage, the working current of motor can become large thereupon, thus likely makes motor enter overcurrent protection state, cannot normally work.
Summary of the invention
The present invention is intended to solve one of technical matters in correlation technique at least to a certain extent.For this reason; one object of the present invention is the constant speed cruising method proposing a kind of elec. vehicle; the method can prevent motor overload work effectively; enter overcurrent protection state; improve the reliability of cruise control and the safety of vehicle, and reduce complexity and the cost of cruise control.
Second object of the present invention is the constant-speed cruising device proposing a kind of elec. vehicle.
For reaching above-mentioned purpose, embodiment proposes a kind of constant speed cruising method of elec. vehicle according to a first aspect of the present invention, comprise: judge whether described elec. vehicle enters cruise pattern, if determine, described elec. vehicle enters cruise pattern, then calculate cruising speed instruction; And revise the need of to described cruising speed instruction according to the condition adjudgement of elec. vehicle motor, if desired described cruising speed instruction is revised, then obtain revised cruising speed instruction, and export described revised cruising speed instruction, to realize the cruise of described elec. vehicle to electric machine controller.
The constant speed cruising method of the elec. vehicle of the embodiment of the present invention, revised the need of to cruising speed instruction by the condition adjudgement according to elec. vehicle motor, if desired cruising speed instruction is revised, then obtain revised cruising speed instruction, and export revised cruising speed instruction to electric machine controller, to realize the cruise of elec. vehicle, can effectively prevent motor overload work, enter overcurrent protection state, improve the reliability of cruise control and the safety of vehicle, and reduce complexity and the cost of cruise control.
For reaching above-mentioned purpose, embodiment proposes a kind of constant-speed cruising device of elec. vehicle according to a second aspect of the present invention, comprise: processing module, for judging whether described elec. vehicle enters cruise pattern, if determine, described elec. vehicle enters cruise pattern, then calculate cruising speed instruction; And correcting module, revise the need of to described cruising speed instruction for the condition adjudgement according to elec. vehicle motor, if desired described cruising speed instruction is revised, then obtain revised cruising speed instruction, and export described revised cruising speed instruction, to realize the cruise of described elec. vehicle to electric machine controller.
The constant-speed cruising device of the elec. vehicle of the embodiment of the present invention, revised the need of to cruising speed instruction by the condition adjudgement according to elec. vehicle motor, if desired cruising speed instruction is revised, then obtain revised cruising speed instruction, and export revised cruising speed instruction to electric machine controller, to realize the cruise of elec. vehicle, can effectively prevent motor overload work, enter overcurrent protection state, improve the reliability of cruise control and the safety of vehicle, and reduce complexity and the cost of cruise control.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Fig. 1 is the diagram of circuit of the constant speed cruising method of elec. vehicle according to an embodiment of the invention.
Fig. 2 is the diagram of circuit of the constant speed cruising method of elec. vehicle in accordance with another embodiment of the present invention.
Fig. 3 is the structural representation of the constant-speed cruising device of elec. vehicle according to an embodiment of the invention.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Below with reference to the accompanying drawings constant speed cruising method and the device of the elec. vehicle of the embodiment of the present invention are described.
Fig. 1 is the diagram of circuit of the constant speed cruising method of elec. vehicle according to an embodiment of the invention.
As shown in Figure 1, the constant speed cruising method of this elec. vehicle comprises:
S101, judges whether elec. vehicle enters cruise pattern, if determine, elec. vehicle enters cruise pattern, then calculate cruising speed instruction.
In an embodiment of the present invention, first can judge whether elec. vehicle enters cruise pattern.If determine that elec. vehicle enters cruise pattern, then can calculate cruising speed instruction according to state of the system.If elec. vehicle does not enter cruise pattern, then can enter common driving mode, be driven by chaufeur.
S102, condition adjudgement according to elec. vehicle motor is revised the need of to cruising speed instruction, if desired cruising speed instruction is revised, then obtain revised cruising speed instruction, and export revised cruising speed instruction to electric machine controller, to realize the cruise of elec. vehicle.
After determining that elec. vehicle enters cruise pattern, can revise the need of to cruising speed instruction according to the condition adjudgement of elec. vehicle motor.If need to revise cruising speed instruction, then can obtain revised cruising speed instruction, and export revised cruising speed instruction to electric machine controller, to realize the cruise of elec. vehicle.
Particularly, can judge whether the working current of elec. vehicle motor is greater than predetermined threshold value.If the working current of elec. vehicle motor is greater than predetermined threshold value, corresponding coefficient of correction then can be determined according to the motor working current correcting table prestored, then calculate the corrected power of elec. vehicle motor according to the power tester revising coefficient and elec. vehicle motor, and calculate revised cruising speed instruction according to corrected power.
After calculating revised cruising speed instruction, by predetermined way as CAN (controller local area network, controller area network) network exports revised cruising speed instruction to electric machine controller.
In addition, before determining corresponding coefficient of correction according to the motor working current correcting table prestored, first can obtain and preserve motor working current correcting table.Such as, as shown in table 1:
Table 1 motor working current correcting table
Wherein, A represents unit of current ampere, and in table 1, numerical value is only example, does not limit herein.
In addition, according to the condition adjudgement of elec. vehicle motor the need of after revising cruising speed instruction, if do not need to revise cruising speed instruction, then can directly by predetermined way as CAN network exports cruising speed instruction.
The constant speed cruising method of the elec. vehicle of the embodiment of the present invention, revised the need of to cruising speed instruction by the condition adjudgement according to elec. vehicle motor, if desired cruising speed instruction is revised, then obtain revised cruising speed instruction, and export revised cruising speed instruction to electric machine controller, to realize the cruise of elec. vehicle, can effectively prevent motor overload work, enter overcurrent protection state, improve the reliability of cruise control and the safety of vehicle, and reduce complexity and the cost of cruise control.
Fig. 2 is the diagram of circuit of the constant speed cruising method of elec. vehicle in accordance with another embodiment of the present invention.
As shown in Figure 2, the constant speed cruising method of this elec. vehicle comprises:
S201, Vehicular system brings into operation.
S202, judges whether vehicle enters control of cruising, if do not enter control of cruising, then jumps to S203; If enter control of cruising, then jump to S204.
S203, enters common driving mode.
If vehicle does not enter control of cruising, then enter common driving mode, by chaufeur, vehicle is controlled.
S204, starts control of cruising.
If vehicle enters control of cruising, then start control of cruising.
S205, calculates the rotary speed instruction cruising and control according to state of the system.
After entering control of cruising, can calculate according to the state of the system of vehicle the rotary speed instruction cruising and control.
S206, judges whether the real work electric current of motor is greater than predetermined threshold value, if be greater than predetermined threshold value, then jumps to S207; If be not more than predetermined threshold value, then jump to S210.
Particularly, whether can be greater than predetermined threshold value according to the real work electric current of motor, judge whether to revise the rotary speed instruction controlled that cruises.If the real work electric current of motor is greater than predetermined threshold value, then may there is the problem of overcurrent protection.
S207, according to motor working current correcting table determination coefficient of correction.
Particularly, see the table 1 of a upper embodiment, corresponding coefficient of correction can be determined according to motor working current.
For motor working current 120 amperes, can determine that coefficient of correction is 0.95.
S208, calculates the corrected power of motor according to the effect horse power of coefficient of correction and motor.
S209, calculates the revised rotary speed instruction controlled that cruises according to the corrected power of motor.
To cruising, the rotary speed instruction controlled is revised, and can effectively prevent motor overload work, enter overcurrent protection state.
S210, sends the rotary speed instruction cruising and control to motor.
Particularly, after the rotary speed instruction calculating revised control of cruising, the rotary speed instruction cruising and control is sent to motor by CAN network.Certainly, also when the real work electric current of motor is not more than predetermined threshold value, without the need to revising, the rotary speed instruction cruising and control can be sent directly to motor.
The constant speed cruising method of the elec. vehicle of the embodiment of the present invention; suitably control of cruising is carried out by the state of monitoring motor; active adjustment sends to the rotary speed instruction of motor; Dynamic controlling is realized to sending to the rotary speed instruction of motor; effectively prevent motor overload work; enter overcurrent protection state, improve the reliability of cruise control and the safety of vehicle, and reduce complexity and the cost of cruise control.
In order to realize above-described embodiment, the present invention also proposes a kind of constant-speed cruising device of elec. vehicle.
Fig. 3 is the structural representation of the constant-speed cruising device of elec. vehicle according to an embodiment of the invention.
As shown in Figure 3, the constant-speed cruising device of this elec. vehicle can comprise: processing module 110 and correcting module 120.
Processing module 110 is for judging whether elec. vehicle enters cruise pattern, if determine, elec. vehicle enters cruise pattern, then calculate cruising speed instruction.
In an embodiment of the present invention, processing module 110 can judge whether elec. vehicle enters cruise pattern.If determine that elec. vehicle enters cruise pattern, then can calculate cruising speed instruction according to state of the system.If elec. vehicle does not enter cruise pattern, then can enter common driving mode, be driven by chaufeur.
Correcting module 120 is revised the need of to cruising speed instruction for the condition adjudgement according to elec. vehicle motor, if desired cruising speed instruction is revised, then obtain revised cruising speed instruction, and export revised cruising speed instruction to electric machine controller, to realize the cruise of elec. vehicle.
After determining that elec. vehicle enters cruise pattern, correcting module 120 can be revised the need of to cruising speed instruction according to the condition adjudgement of elec. vehicle motor.If need to revise cruising speed instruction, then can obtain revised cruising speed instruction, and export revised cruising speed instruction to electric machine controller, to realize the cruise of elec. vehicle.
Particularly, correcting module 120 can judge whether the working current of elec. vehicle motor is greater than predetermined threshold value.If the working current of elec. vehicle motor is greater than predetermined threshold value, corresponding coefficient of correction then can be determined according to the motor working current correcting table prestored, then calculate the corrected power of elec. vehicle motor according to the power tester revising coefficient and elec. vehicle motor, and calculate revised cruising speed instruction according to corrected power.
After calculating revised cruising speed instruction, correcting module 120 by predetermined way as CAN (controller local area network, controller area network) network exports revised cruising speed instruction to electric machine controller.
In addition, the constant-speed cruising device of the elec. vehicle of the embodiment of the present invention also can comprise preservation module 130.
Preserve module 130 for before determining corresponding coefficient of correction according to the motor working current correcting table prestored, obtain and preserve motor working current correcting table.Such as, as shown in table 1:
Table 1 motor working current correcting table
Wherein, A represents unit of current ampere, and in table 1, numerical value is only example, does not limit herein.
In addition, the constant-speed cruising device of the elec. vehicle of the embodiment of the present invention also can comprise output module 140.
Output module 140 for according to the condition adjudgement of elec. vehicle motor the need of after revising cruising speed instruction, if do not need, cruising speed instruction is revised, then can directly by predetermined way as CAN network exports cruising speed instruction.
The constant-speed cruising device of the elec. vehicle of the embodiment of the present invention, revised the need of to cruising speed instruction by the condition adjudgement according to elec. vehicle motor, if desired cruising speed instruction is revised, then obtain revised cruising speed instruction, and export revised cruising speed instruction to electric machine controller, to realize the cruise of elec. vehicle, can effectively prevent motor overload work, enter overcurrent protection state, improve the reliability of cruise control and the safety of vehicle, and reduce complexity and the cost of cruise control.
In the description of this specification sheets, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this specification sheets or example and different embodiment or example can carry out combining and combining by those skilled in the art.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
Describe and can be understood in diagram of circuit or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of treater or other can from instruction execution system, device or equipment fetch instruction and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this specification sheets, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronics package) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only memory (ROM) (ROM), erasablely edit read-only memory (ROM) (EPROM or flash memory), fiber device, and portable optic disk read-only memory (ROM) (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanning to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the special IC of suitable combinatory logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only memory (ROM), disk or CD etc.Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.
Claims (10)
1. a constant speed cruising method for elec. vehicle, is characterized in that, comprising:
Judge whether described elec. vehicle enters cruise pattern, if determine, described elec. vehicle enters cruise pattern, then calculate cruising speed instruction; And
Condition adjudgement according to elec. vehicle motor is revised the need of to described cruising speed instruction, if desired described cruising speed instruction is revised, then obtain revised cruising speed instruction, and export described revised cruising speed instruction, to realize the cruise of described elec. vehicle to electric machine controller.
2. method according to claim 1, it is characterized in that, the described condition adjudgement according to elec. vehicle motor is revised the need of to described cruising speed instruction, if desired revises described cruising speed instruction, then obtain revised cruising speed instruction, comprising:
Judge whether the working current of elec. vehicle motor is greater than predetermined threshold value, if be greater than, then determine corresponding coefficient of correction according to the motor working current correcting table prestored, calculate the corrected power of described elec. vehicle motor according to the power tester of described amendment coefficient and described elec. vehicle motor, and calculate described revised cruising speed instruction according to described corrected power.
3. method according to claim 1, is characterized in that, described to the described revised cruising speed instruction of electric machine controller output, comprising:
Export described revised cruising speed instruction by predetermined way to electric machine controller, described predetermined manner comprises controller local area network's CAN network.
4. method according to claim 2, is characterized in that, the motor working current correcting table prestored in described basis also comprises before determining corresponding coefficient of correction:
Obtain and preserve described motor working current correcting table.
5. method according to claim 1, is characterized in that, at the described condition adjudgement according to elec. vehicle motor the need of after revising described cruising speed instruction, also comprises:
Revise described cruising speed instruction if do not need, then export described cruising speed instruction by predetermined way, described predetermined manner comprises controller local area network's CAN network.
6. a constant-speed cruising device for elec. vehicle, is characterized in that, comprising:
Processing module, for judging whether described elec. vehicle enters cruise pattern, if determine, described elec. vehicle enters cruise pattern, then calculate cruising speed instruction; And
Correcting module, revise the need of to described cruising speed instruction for the condition adjudgement according to elec. vehicle motor, if desired described cruising speed instruction is revised, then obtain revised cruising speed instruction, and export described revised cruising speed instruction, to realize the cruise of described elec. vehicle to electric machine controller.
7. device according to claim 6, is characterized in that, described correcting module, specifically for:
Judge whether the working current of elec. vehicle motor is greater than predetermined threshold value, if be greater than, then determine corresponding coefficient of correction according to the motor working current correcting table prestored, calculate the corrected power of described elec. vehicle motor according to the power tester of described amendment coefficient and described elec. vehicle motor, and calculate described revised cruising speed instruction according to described corrected power.
8. device according to claim 6, is characterized in that, described correcting module, specifically for:
Export described revised cruising speed instruction by predetermined way to electric machine controller, described predetermined manner comprises controller local area network's CAN network.
9. device according to claim 7, is characterized in that, described device also comprises:
Preserve module, the motor working current correcting table for prestoring in described basis obtains and preserves described motor working current correcting table before determining corresponding coefficient of correction.
10. device according to claim 6, is characterized in that, described device also comprises:
Output module, for at the described condition adjudgement according to elec. vehicle motor the need of after revising described cruising speed instruction, if do not need, described cruising speed instruction is revised, then export described cruising speed instruction by predetermined way, described predetermined manner comprises controller local area network's CAN network.
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CN109910636A (en) * | 2019-03-29 | 2019-06-21 | 深圳猛犸电动科技有限公司 | A kind of control method of electric vehicle, device and electric vehicle |
CN113650509A (en) * | 2021-09-28 | 2021-11-16 | 奇瑞新能源汽车股份有限公司 | Constant-speed cruise control method and device for electric automobile |
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CN103182953A (en) * | 2011-12-28 | 2013-07-03 | 苏州汇川技术有限公司 | Vehicle speed control system and method for electric vehicle |
CN103587526A (en) * | 2012-08-17 | 2014-02-19 | 北汽福田汽车股份有限公司 | Electrocar cruise control method |
CN103818379A (en) * | 2012-11-16 | 2014-05-28 | 比亚迪股份有限公司 | Electric car constant-speed cruising method and device |
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US20040181323A1 (en) * | 2003-03-13 | 2004-09-16 | Wavecrest Laboratories | Electric vehicle with adaptive cruise control system |
KR20120012651A (en) * | 2010-08-02 | 2012-02-10 | (주)브이이엔에스 | electric vehicle and operating method |
CN103182953A (en) * | 2011-12-28 | 2013-07-03 | 苏州汇川技术有限公司 | Vehicle speed control system and method for electric vehicle |
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CN109910636A (en) * | 2019-03-29 | 2019-06-21 | 深圳猛犸电动科技有限公司 | A kind of control method of electric vehicle, device and electric vehicle |
CN113650509A (en) * | 2021-09-28 | 2021-11-16 | 奇瑞新能源汽车股份有限公司 | Constant-speed cruise control method and device for electric automobile |
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