CN112963523A - Gear switching control method of electric motorcycle - Google Patents

Gear switching control method of electric motorcycle Download PDF

Info

Publication number
CN112963523A
CN112963523A CN202110161494.1A CN202110161494A CN112963523A CN 112963523 A CN112963523 A CN 112963523A CN 202110161494 A CN202110161494 A CN 202110161494A CN 112963523 A CN112963523 A CN 112963523A
Authority
CN
China
Prior art keywords
road condition
current
gear
identification module
downhill
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202110161494.1A
Other languages
Chinese (zh)
Inventor
陈文胜
王宇峰
张芳勇
梁壮
张鑫
段雷雨
易安雷
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Luyuan Electric Vehicle Co Ltd
Original Assignee
Zhejiang Luyuan Electric Vehicle Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Luyuan Electric Vehicle Co Ltd filed Critical Zhejiang Luyuan Electric Vehicle Co Ltd
Priority to CN202110161494.1A priority Critical patent/CN112963523A/en
Publication of CN112963523A publication Critical patent/CN112963523A/en
Pending legal-status Critical Current

Links

Images

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/02—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used
    • F16H61/0202—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing characterised by the signals used the signals being electric
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
    • H02P29/20—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors for controlling one motor used for different sequential operations

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Transmission Device (AREA)
  • Electric Propulsion And Braking For Vehicles (AREA)

Abstract

The invention discloses a method for controlling gear switching of an electric motorcycle, which comprises a controller, a middle gear shifting motor, a gear switching module, a road condition identification module, a speed sensor and a current sensor, and comprises the following steps: a. obtaining basic information including current riding speed VRiding bicycleSetting basic parameters including a gear shift threshold VLow speed(ii) a b. Running at low gear for T1 minutes; c. the road condition identification module acquires current road condition information, the uphill road condition jumps to d, and the flat road and downhill road condition jumps to e; d. the middle gear shifting motor runs at a low speed and rotates reversely, and then jumps to c; e. if VRiding bicycle≥VLow speedAnd for T2 minutes, the mid-range shift motor is operating in high gear and rotating forward, otherwise the mid-range shift motor is operating in low gear and rotating backward, then jumping to c. The invention can pass through the way by the methodAnd the corresponding gear control is carried out by condition identification, so that the middle gear shifting motor runs at a high-efficiency working point, and mileage and speed are considered.

Description

Gear switching control method of electric motorcycle
Technical Field
The invention relates to a motor control method, in particular to a gear switching control method of an electric motorcycle.
Background
As the living standard of people is continuously improved, people also begin to pay more attention to the green trip mode, and therefore the demand for electric motorcycle/light electric motorcycle is increasing. However, the electric motorcycle/light electric motorcycle on the market at present is a hub motor, and only one high-efficiency working point is provided, so that the mileage and the speed cannot be considered, the running time of the electric motorcycle/light electric motorcycle is reduced to a certain extent, and the improvement is needed.
Disclosure of Invention
The invention provides a novel gear switching control method for an electric motorcycle, aiming at the defects that in the prior art, mileage and speed cannot be considered at the same time, so that the running time is reduced to a certain extent, and the like.
In order to solve the technical problems, the invention is realized by the following technical scheme:
the electric motorcycle gear switching control method comprises a controller and a middle gear shifting motor, wherein the controller comprises a gear switching module, the controller also comprises a road condition identification module, the road condition identification module comprises a speed sensor and a current sensor, and the control method comprises the following steps:
a. the road condition identification module acquires basic information of a middle gear shifting motor, wherein the basic information comprises the current riding speed VRiding bicycleThe gear shifting module is used for setting basic parameters during riding, and the basic parameters comprise a gear shifting threshold value VLow speed；
b. In an initial state, the gear switching module controls the middle-mounted gear shifting motor to operate for T1 minutes at a low speed;
c. the road condition identification module acquires current road condition information, if the current road condition information confirms that the road condition is an uphill road condition, the step d is skipped, if the current road condition information confirms that the road condition is a level road condition, the step e is skipped, and if the current road condition information confirms that the road condition is a downhill road condition, the step e is skipped;
d. the gear switching module controls the middle gear shifting motor to operate at a low speed and controls the middle gear shifting motor to rotate reversely, and then the step c is skipped;
e. if VRiding bicycle≥VLow speedAnd continuing for T2 minutes, controlling the middle-mounted gear shifting motor to operate at a high gear and controlling the middle-mounted gear shifting motor to rotate forwards by the gear switching module, otherwise, controlling the middle-mounted gear shifting motor to operate at a low gear and controlling the middle-mounted gear shifting motor to rotate backwards by the gear switching module, and then jumping to the step c.
Step a is used for obtaining basic information of a middle gear shifting motor and setting basic parameters during riding so as to prepare for subsequent control;
because of the low-gear energy consumption, the power is big, step b sets up like this and can make the better experience of riding when starting.
Step c, the control mode can be flexibly selected by judging the current road condition information, so that the adjustment requirement of the actual road condition is better adapted;
according to the design principle of the middle gear shifting motor, the middle gear shifting motor is low in speed and high in torque working mode during reverse rotation, and is high in speed and low in torque working mode during forward rotation, and the middle gear shifting motor are separated to enable the motor to be more stable and convenient to control. And the step d is set in such a way under the condition that the condition of the uphill road condition is confirmed, so that the torque can be increased, and the uphill is more labor-saving and lower in energy consumption.
And e, the energy consumption of the motor in the high-speed and low-speed dynamic ranges is kept consistent, and compared with the situation that the higher the speed is, the larger the energy consumption is in the traditional control mode, the mileage and the speed of the whole vehicle can be compatible with each other in the step e.
Preferably, in the above gear shifting control method for electric motorcycle, in the step a, the basic information further includes real-time current I obtained by the current sensor during riding and obtained by the current sensorRiding currentSaid basic referenceThe number also includes a current threshold I under a flat road conditionFlat RoadCurrent threshold I under downhill conditionsDownhill slopeCurrent threshold I under uphill road conditionsAscending slope；
In step c, the step of acquiring the current traffic information by the traffic identification module is as follows: if IRiding current≥IFlat RoadAnd VRiding bicycle≤VLow speedThe road condition identification module determines the current road condition as the uphill road condition, if IDownhill slope≤IRiding current≤IFlat RoadThe road condition identification module determines the current road condition as the level road condition, if IRiding current≤IDownhill slopeAnd the road condition identification module determines the current road condition as the downhill road condition.
The road condition is determined in a current judging mode without increasing hardware cost, and the method is relatively more accurate and rapid.
Preferably, in the above-mentioned method for controlling shifting of gears by electric motorcycle, the basic information further includes a restriction value I of the controllerCurrent limitingCurrent threshold value I under the condition of flat roadFlat Road8A-15A, and the current threshold I under the downhill road conditionDownhill slope0A-2A, current threshold I under the condition of uphill road conditionAscending slopeIs a current limiting value ICurrent limiting70 to 100 percent of the total weight of the composition.
Within range more than with each current threshold value setting, can judge the road conditions of riding of difference more accurately, avoid riding the in-process frequently to switch high-speed gear, low-speed gear.
Preferably, in the above method for controlling gear shifting by electric motorcycle, the road condition recognition module further includes an attitude sensor, in the step a, the basic information further includes a current gradient obtained by the attitude sensor, and the basic parameters further include a downhill gradient threshold and an uphill gradient threshold;
in step c, the step of acquiring the current traffic information by the traffic identification module is as follows: if the current gradient is not less than the uphill gradient threshold, the road condition identification module determines the current road condition as the uphill road condition, if the downhill gradient threshold is not less than the current gradient and not more than the uphill gradient threshold, the road condition identification module determines the current road condition as the flat road condition, and if the current gradient is not more than the downhill gradient threshold, the road condition identification module determines the current road condition as the downhill road condition.
Judge current road conditions through attitude sensor and according to the slope, it is more accurate quick.
Preferably, in the above-described electric motorcycle gear shifting control method, the uphill gradient threshold value is 5 °, and the downhill gradient threshold value is-5 °.
Within range more than with each slope threshold value setting, can judge the road conditions of riding of difference more accurately, avoid riding the in-process frequently to switch high-speed gear, low-speed gear.
Preferably, in the above method for controlling shift switching of an electric motorcycle, in the step b, the time T1 is 0.5 to 2 minutes.
Limiting T1 in the above range can filter some bumpy roads and prevent the road condition from being identified by mistake.
Preferably, in the above method for controlling shift switching of an electric motorcycle, in the step e, the time T2 is 0.5 to 2 minutes.
Limiting T2 in the above range can filter some bumpy roads and prevent the road condition from being identified by mistake.
Preferably, in the above-described electric motorcycle shift range switching control method, in the step a, the shift range switching threshold V is set to be lower than the shift range switching threshold VLow speedIs 16km/h to 25 km/h.
Shift stage switching threshold value VLow speedThe limited range can better control the middle shift motor to reversely rotate to enter a low gear.
According to the electric motorcycle gear switching control method, corresponding gear control can be performed through road condition identification, so that the middle gear shifting motor runs at a high-efficiency working point, and mileage and speed are both considered.
Drawings
FIG. 1 is a flow chart of the present invention;
FIG. 2 is a block diagram of the present invention;
FIG. 3 is a flow chart of the present invention identifying the current road condition by current;
FIG. 4 is a block diagram of the present invention including an attitude sensor;
fig. 5 is a flowchart illustrating the present invention identifying the current road condition by the gradient.
Detailed Description
The invention will be described in further detail below with reference to the accompanying figures 1-5 and the detailed description, but they are not intended to limit the invention:
example 1
A gear switching control method of an electric motorcycle comprises a controller 1 and a middle gear shifting motor 2, wherein the controller 1 comprises a gear switching module 12, the controller 1 further comprises a road condition identification module 11, the road condition identification module 11 comprises a speed sensor 111 and a current sensor 112, and the control method comprises the following steps:
a. the road condition identification module 11 acquires basic information of the middle shift motor 2, wherein the basic information comprises the current riding speed VRiding bicycleThe gear shifting module 12 sets basic parameters during riding, and the basic parameters include a gear shifting threshold VLow speed；
b. In the initial state, the gear switching module 12 controls the mid-range shift motor 2 to operate at a low gear for T1 minutes;
c. the road condition identification module 11 acquires current road condition information, if the current road condition information confirms that the road condition is an uphill road condition, the step d is skipped, if the current road condition information confirms that the road condition is a level road condition, the step e is skipped, and if the current road condition information confirms that the road condition is a downhill road condition, the step e is skipped;
d. the gear switching module 12 controls the middle-mounted gear shifting motor 2 to operate at a low gear and controls the middle-mounted gear shifting motor 2 to rotate reversely, and then the step c is skipped;
e. if VRiding bicycle≥VLow speedAnd lasting for T2 minutes, the gear switching module 12 controls the mid-range gear shifting motor 2 to operate at a high gear and controls the mid-range gear shifting motor 2 to rotate forwards, otherwise, the gear switching module 12 controls the mid-range gear shifting motor 2 to operate at a low gear and controls the mid-range gear shifting motor 2 to rotate backwards, and then the step c is skipped.
Preferably, in step a, the basic information further includes a real-time current I obtained by the current sensor 112 during ridingRiding currentThe basic parameters further comprise a current threshold I under the condition of a flat roadFlat RoadCurrent threshold I under downhill conditionsDownhill slopeCurrent threshold I under uphill road conditionsAscending slope；
In step c, the step of acquiring the current traffic information by the traffic identification module 11 is: if IRiding current≥IFlat RoadAnd VRiding bicycle≤VLow speedThe traffic status identification module 11 determines the current traffic status as the uphill traffic status, if IDownhill slope≤IRiding current≤IFlat RoadThe traffic identification module 11 determines the current traffic as the smooth traffic, if IRiding current≤IDownhill slopeThe road condition recognition module 11 determines the current road condition as the downhill road condition.
Preferably, the basic information further includes a current limit value I of the controller 1Current limitingCurrent threshold value I under the condition of flat roadFlat Road8A, the current threshold I under the downhill road conditionDownhill slope0A, current threshold I under the condition of uphill road conditionAscending slopeIs a current limiting value ICurrent limiting70% of the total.
Preferably, in the step b, the T1 min is 0.5 min.
Preferably, in the step e, the T2 min is 0.5 min.
Preferably, in the step a, the shift range switching threshold V is set to a value equal to or greater than a predetermined valueLow speedIs 16 km/h.
Example 2
A gear switching control method of an electric motorcycle comprises a controller 1 and a middle gear shifting motor 2, wherein the controller 1 comprises a gear switching module 12, the controller 1 further comprises a road condition identification module 11, the road condition identification module 11 comprises a speed sensor 111 and a current sensor 112, and the control method comprises the following steps:
a. the road condition identification module 11 acquires basic information of the middle shift motor 2, wherein the basic information comprises the current riding speed VRiding bicycleSaidThe gear shifting module 12 sets basic parameters during riding, including a gear shifting threshold VLow speed；
b. In the initial state, the gear switching module 12 controls the mid-range shift motor 2 to operate at a low gear for T1 minutes;
c. the road condition identification module 11 acquires current road condition information, if the current road condition information confirms that the road condition is an uphill road condition, the step d is skipped, if the current road condition information confirms that the road condition is a level road condition, the step e is skipped, and if the current road condition information confirms that the road condition is a downhill road condition, the step e is skipped;
d. the gear switching module 12 controls the middle-mounted gear shifting motor 2 to operate at a low gear and controls the middle-mounted gear shifting motor 2 to rotate reversely, and then the step c is skipped;
e. if VRiding bicycle≥VLow speedAnd lasting for T2 minutes, the gear switching module 12 controls the mid-range gear shifting motor 2 to operate at a high gear and controls the mid-range gear shifting motor 2 to rotate forwards, otherwise, the gear switching module 12 controls the mid-range gear shifting motor 2 to operate at a low gear and controls the mid-range gear shifting motor 2 to rotate backwards, and then the step c is skipped.
Preferably, in step a, the basic information further includes a real-time current I obtained by the current sensor 112 during ridingRiding currentThe basic parameters further comprise a current threshold I under the condition of a flat roadFlat RoadCurrent threshold I under downhill conditionsDownhill slopeCurrent threshold I under uphill road conditionsAscending slope；
In step c, the step of acquiring the current traffic information by the traffic identification module 11 is: if IRiding current≥IFlat RoadAnd VRiding bicycle≤VLow speedThe traffic status identification module 11 determines the current traffic status as the uphill traffic status, if IDownhill slope≤IRiding current≤IFlat RoadThe traffic identification module 11 determines the current traffic as the smooth traffic, if IRiding current≤IDownhill slopeThe road condition recognition module 11 determines the current road condition as the downhill road condition.
Preferably, the basic information further includes a current limit value I of the controller 1Current limitingCurrent threshold value I under the condition of flat roadFlat Road15A, the current threshold I under the downhill road conditionDownhill slope2A, current threshold I under the condition of uphill roadAscending slopeIs a current limiting value ICurrent limiting100% of the total.
Preferably, in the step b, the T1 minute is 2 minutes.
Preferably, in the step e, the time T2 is 2 minutes.
Preferably, in the step a, the shift range switching threshold V is set to a value equal to or greater than a predetermined valueLow speedIs 25 km/h.
Example 3
A gear switching control method of an electric motorcycle comprises a controller 1 and a middle gear shifting motor 2, wherein the controller 1 comprises a gear switching module 12, the controller 1 further comprises a road condition identification module 11, the road condition identification module 11 comprises a speed sensor 111 and a current sensor 112, and the control method comprises the following steps:
a. the road condition identification module 11 acquires basic information of the middle shift motor 2, wherein the basic information comprises the current riding speed VRiding bicycleThe gear shifting module 12 sets basic parameters during riding, and the basic parameters include a gear shifting threshold VLow speed；
b. In the initial state, the gear switching module 12 controls the mid-range shift motor 2 to operate at a low gear for T1 minutes;
c. the road condition identification module 11 acquires current road condition information, if the current road condition information confirms that the road condition is an uphill road condition, the step d is skipped, if the current road condition information confirms that the road condition is a level road condition, the step e is skipped, and if the current road condition information confirms that the road condition is a downhill road condition, the step e is skipped;
d. the gear switching module 12 controls the middle-mounted gear shifting motor 2 to operate at a low gear and controls the middle-mounted gear shifting motor 2 to rotate reversely, and then the step c is skipped;
e. if VRiding bicycle≥VLow speedAnd lasting for T2 minutes, the gear switching module 12 controls the mid-range gear shifting motor 2 to operate at a high gear and controls the mid-range gear shifting motor 2 to rotate positively, otherwise, the gear switching module 12 controls the mid-range gear shifting motor 2 to rotate negativelyThe electric machine 2 is operated in low gear and controls the mid-range shift electric machine 2 to reverse, and then it jumps to step c.
Preferably, in step a, the basic information further includes a real-time current I obtained by the current sensor 112 during ridingRiding currentThe basic parameters further comprise a current threshold I under the condition of a flat roadFlat RoadCurrent threshold I under downhill conditionsDownhill slopeCurrent threshold I under uphill road conditionsAscending slope；
In step c, the step of acquiring the current traffic information by the traffic identification module 11 is: if IRiding current≥IFlat RoadAnd VRiding bicycle≤VLow speedThe traffic status identification module 11 determines the current traffic status as the uphill traffic status, if IDownhill slope≤IRiding current≤IFlat RoadThe traffic identification module 11 determines the current traffic as the smooth traffic, if IRiding current≤IDownhill slopeThe road condition recognition module 11 determines the current road condition as the downhill road condition.
Preferably, the basic information further includes a current limit value I of the controller 1Current limitingCurrent threshold value I under the condition of flat roadFlat Road11A, the current threshold I under the downhill road conditionDownhill slope1A, current threshold I under the condition of uphill road conditionAscending slopeIs a current limiting value ICurrent limiting85% of the total.
Preferably, in the step b, the T1 min is 1.25 min.
Preferably, in the step e, the T2 min is 1.25 min.
Preferably, in the step a, the shift range switching threshold V is set to a value equal to or greater than a predetermined valueLow speedIs 20 km/h.
Example 4
The road condition identification module 11 further includes an attitude sensor 113, in the step a, the basic information further includes a current gradient acquired by the attitude sensor 113, and the basic parameters further include a downhill gradient threshold value and an uphill gradient threshold value;
in step c, the step of acquiring the current traffic information by the traffic identification module 11 is: if the current gradient is greater than or equal to the uphill gradient threshold, the road condition identification module 11 determines the current road condition as the uphill road condition, if the downhill gradient threshold is less than or equal to the current gradient and less than or equal to the uphill gradient threshold, the road condition identification module 11 determines the current road condition as the flat road condition, and if the current gradient is less than or equal to the downhill gradient threshold, the road condition identification module 11 determines the current road condition as the downhill road condition.
Preferably, the uphill gradient threshold is 5 ° and the downhill gradient threshold is-5 °.
Other embodiments are the same as examples 1 to 3.
In summary, the above-mentioned embodiments are only preferred embodiments of the present invention, and all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the present invention.

Claims (8)

1. The electric motorcycle gear shifting control method comprises a controller (1) and a middle gear shifting motor (2), wherein the controller (1) comprises a gear shifting module (12), and is characterized in that: the controller (1) further comprises a road condition identification module (11), the road condition identification module (11) comprises a speed sensor (111) and a current sensor (112), and the control method comprises the following steps:
a. the road condition identification module (11) acquires basic information of the middle gear shifting motor (2), wherein the basic information comprises the current riding speed VRiding bicycleThe gear shifting module (12) is used for setting basic parameters during riding, and the basic parameters comprise a gear shifting threshold value VLow speed；
b. In the initial state, the gear switching module (12) controls the mid-range gear shifting motor (2) to operate for T1 minutes at a low gear;
c. the road condition identification module (11) acquires current road condition information, if the current road condition information confirms that the road condition is an uphill road condition, the step d is skipped, if the current road condition information confirms that the road condition is a level road condition, the step e is skipped, and if the current road condition information confirms that the road condition is a downhill road condition, the step e is skipped;
d. the gear switching module (12) controls the middle gear shifting motor (2) to operate at a low gear and controls the middle gear shifting motor (2) to rotate reversely, and then the step c is skipped;
e. if VRiding bicycle≥VLow speedAnd lasting for T2 minutes, the gear switching module (12) controls the middle-mounted gear shifting motor (2) to operate at a high gear and controls the middle-mounted gear shifting motor (2) to rotate forwards, otherwise, the gear switching module (12) controls the middle-mounted gear shifting motor (2) to operate at a low gear and controls the middle-mounted gear shifting motor (2) to rotate backwards, and then the step c is skipped.
2. An electric motorcycle gear shift control method according to claim 1, characterized in that: in the step a, the basic information further includes real-time current I obtained by a current sensor (112) during ridingRiding currentThe basic parameters further comprise a current threshold I under the condition of a flat roadFlat RoadCurrent threshold I under downhill conditionsDownhill slopeCurrent threshold I under uphill road conditionsAscending slope；
In the step c, the step of acquiring the current traffic information by the traffic identification module (11) is as follows: if IRiding current≥IFlat RoadAnd VRiding bicycle≤VLow speedThe road condition identification module (11) determines the current road condition as the uphill road condition, if IDownhill slope≤IRiding current≤IFlat RoadThe road condition identification module (11) determines the current road condition as the level road condition, if IRiding current≤IDownhill slopeAnd then the road condition identification module (11) determines the current road condition as the downhill road condition.
3. An electric motorcycle gear shift control method according to claim 2, characterized in that: the basic information also includes a current limiting value I of the controller (1)Current limitingCurrent threshold value I under the condition of flat roadFlat Road8A-15A, and the current threshold I under the downhill road conditionDownhill slope0A-2A, current threshold I under the condition of uphill road conditionAscending slopeIs a current limiting value ICurrent limiting70 to 100 percent of the total weight of the composition.
4. An electric motorcycle gear shift control method according to claim 1, characterized in that: the road condition identification module (11) further comprises an attitude sensor (113), in the step a, the basic information further comprises a current gradient acquired by the attitude sensor (113), and the basic parameters further comprise a downhill gradient threshold value and an uphill gradient threshold value;
in the step c, the step of acquiring the current traffic information by the traffic identification module (11) is as follows: if the current gradient is not less than the uphill gradient threshold, the road condition identification module (11) determines the current road condition as the uphill road condition, if the downhill gradient threshold is not more than the current gradient and not more than the uphill gradient threshold, the road condition identification module (11) determines the current road condition as the flat road condition, and if the current gradient is not more than the downhill gradient threshold, the road condition identification module (11) determines the current road condition as the downhill road condition.
5. An electric motorcycle gear shift control method according to claim 4, characterized in that: the uphill gradient threshold value is 5 degrees, and the downhill gradient threshold value is-5 degrees.
6. An electric motorcycle gear shift control method according to claim 1, characterized in that: in the step b, the time T1 is 0.5 to 2 minutes.
7. An electric motorcycle gear shift control method according to claim 1, characterized in that: in the step e, the time T2 is 0.5 to 2 minutes.
8. An electric motorcycle gear shift control method according to claim 1, characterized in that: in the step a, the gear shift threshold VLow speedIs 16km/h to 25 km/h.
CN202110161494.1A 2021-02-05 2021-02-05 Gear switching control method of electric motorcycle Pending CN112963523A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110161494.1A CN112963523A (en) 2021-02-05 2021-02-05 Gear switching control method of electric motorcycle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110161494.1A CN112963523A (en) 2021-02-05 2021-02-05 Gear switching control method of electric motorcycle

Publications (1)

Publication Number Publication Date
CN112963523A true CN112963523A (en) 2021-06-15

Family

ID=76274448

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110161494.1A Pending CN112963523A (en) 2021-02-05 2021-02-05 Gear switching control method of electric motorcycle

Country Status (1)

Country Link
CN (1) CN112963523A (en)

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040055803A1 (en) * 2002-09-24 2004-03-25 Patmont Motor Werks Variable speed transmission for scooter
CN202670043U (en) * 2012-06-18 2013-01-16 天津市小刀电动车业有限公司 Intelligent driving system of electric bicycle
CN103303160A (en) * 2013-06-18 2013-09-18 浙江绿源电动车有限公司 Automatic speed control system and method as well as electric vehicle
CN104691363A (en) * 2015-03-26 2015-06-10 严振华 Electric bicycle mechanical variable speed type motor controller and variable speed control method thereof
CN104986282A (en) * 2015-07-15 2015-10-21 四川安尔达电动车有限公司 Electric bicycle control method and apparatus
CN107438559A (en) * 2017-06-05 2017-12-05 深圳市七尚科技有限公司 A kind of automatic gear shifting method and device for multi-speed bicycle
CN107458531A (en) * 2017-09-03 2017-12-12 吴联凯 A kind of shared motor bicycle of variable output power
CN107763152A (en) * 2017-10-20 2018-03-06 朱幕松 Automatic speed derailleur for electric vehicle
CN108382267A (en) * 2018-01-15 2018-08-10 江苏爱玛车业科技有限公司 The motor output control method of electric vehicle
CN109747765A (en) * 2018-12-12 2019-05-14 天津爱玛车业科技有限公司 Electric motor intelligent power-control method and device
CN111017103A (en) * 2019-11-21 2020-04-17 天津三一友泰科技有限公司 Power-assisted bicycle

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040055803A1 (en) * 2002-09-24 2004-03-25 Patmont Motor Werks Variable speed transmission for scooter
CN202670043U (en) * 2012-06-18 2013-01-16 天津市小刀电动车业有限公司 Intelligent driving system of electric bicycle
CN103303160A (en) * 2013-06-18 2013-09-18 浙江绿源电动车有限公司 Automatic speed control system and method as well as electric vehicle
CN104691363A (en) * 2015-03-26 2015-06-10 严振华 Electric bicycle mechanical variable speed type motor controller and variable speed control method thereof
CN104986282A (en) * 2015-07-15 2015-10-21 四川安尔达电动车有限公司 Electric bicycle control method and apparatus
CN107438559A (en) * 2017-06-05 2017-12-05 深圳市七尚科技有限公司 A kind of automatic gear shifting method and device for multi-speed bicycle
CN107458531A (en) * 2017-09-03 2017-12-12 吴联凯 A kind of shared motor bicycle of variable output power
CN107763152A (en) * 2017-10-20 2018-03-06 朱幕松 Automatic speed derailleur for electric vehicle
CN108382267A (en) * 2018-01-15 2018-08-10 江苏爱玛车业科技有限公司 The motor output control method of electric vehicle
CN109747765A (en) * 2018-12-12 2019-05-14 天津爱玛车业科技有限公司 Electric motor intelligent power-control method and device
CN111017103A (en) * 2019-11-21 2020-04-17 天津三一友泰科技有限公司 Power-assisted bicycle

Similar Documents

Publication Publication Date Title
CN109334470B (en) Control method for preventing miniature electric automobile from sliding down slope
US11022052B2 (en) Vehicle power output control method, apparatus and system
JP5248683B2 (en) Method and apparatus for controlling vehicle cruise control
US20130096792A1 (en) Method for controlling the driving mode of a motor vehicle
CN1069938A (en) The vehicle that is used to change the method for car speed and implements this method
CN110857670B (en) Automobile driving force control method and electronic equipment
CN108413025B (en) Self-adaptive automatic speed changing gearbox control system and control method thereof
CN107776437B (en) Speed control device for low-speed electric vehicle
CN110877535A (en) Single-pedal control method for urban low-speed following road condition of pure electric vehicle
CN110667588A (en) Driver intention-based accelerator pedal opening correction control method for electric automobile
CN113401049A (en) Atmosphere lamp control method and device and computer storage medium
CN112046466A (en) New energy automobile sliding energy recovery method based on road conditions
CN103334843B (en) Land lever variable-power control system
CN107745639A (en) Energy feedback method, energy feedback system and vehicle
US20180170383A1 (en) Method for controlling an actual speed of a motor vehicle
CN104340327B (en) Electric vehicle with automatic wave energy
CN104822920A (en) Method and device for improved switching over between accelerator pedal characteristic curves
CN112963523A (en) Gear switching control method of electric motorcycle
CN107191587B (en) Transmission gear shifting method and device
CN110043651B (en) Slope road driving gear shifting control method based on two-stage planetary gear transmission
US20180244270A1 (en) Speed control of a motor vehicle
CN114919424A (en) EPB/AVH torque unlocking optimization control method for new energy automobile under multi-path working condition
CN105599638A (en) Torque control method aiming at magnetic recession characteristic of motor of electric vehicle
CN110979027B (en) Control method for economic mode of pure electric bus
CN111645520B (en) Pedal opening control method of single-pedal new energy automobile

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication

Application publication date: 20210615

RJ01 Rejection of invention patent application after publication