CN108869724A - A kind of university student's equation motorcycle race automatic gear shifting system - Google Patents
A kind of university student's equation motorcycle race automatic gear shifting system Download PDFInfo
- Publication number
- CN108869724A CN108869724A CN201810572131.5A CN201810572131A CN108869724A CN 108869724 A CN108869724 A CN 108869724A CN 201810572131 A CN201810572131 A CN 201810572131A CN 108869724 A CN108869724 A CN 108869724A
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- China
- Prior art keywords
- steering engine
- clutch
- shift
- rocker arm
- transmission mechanism
- 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
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- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000001133 acceleration Effects 0.000 claims description 9
- 230000008450 motivation Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims 1
- 230000010354 integration Effects 0.000 abstract 1
- 230000007935 neutral effect Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
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- 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
- F16H61/0204—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 for gearshift control, e.g. control functions for performing shifting or generation of shift signal
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- 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
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/28—Generation or transmission of movements for final actuating mechanisms with at least one movement of the final actuating mechanism being caused by a non-mechanical force, e.g. power-assisted
- F16H61/32—Electric motors actuators or related electrical control means therefor
-
- 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
- F16H61/26—Generation or transmission of movements for final actuating mechanisms
- F16H61/36—Generation or transmission of movements for final actuating mechanisms with at least one movement being transmitted by a cable
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H63/3013—Constructional features of the final output mechanisms the final output mechanism being characterised by linkages converting movement, e.g. into opposite direction by a pivoting lever linking two shift rods
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H2063/3076—Selector shaft assembly, e.g. supporting, assembly or manufacturing of selector or shift shafts; Special details thereof
-
- 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
- F16H63/00—Control outputs from the control unit to change-speed- or reversing-gearings for conveying rotary motion or to other devices than the final output mechanism
- F16H63/02—Final output mechanisms therefor; Actuating means for the final output mechanisms
- F16H63/30—Constructional features of the final output mechanisms
- F16H2063/3079—Shift rod assembly, e.g. supporting, assembly or manufacturing of shift rails or rods; Special details thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
Abstract
The invention discloses a kind of university student's equation motorcycle race automatic gear shifting systems, including control device and executive device, control device includes ECU, controller and sensor, executive device includes shift steering engine, clutch steering engine and transmission mechanism, transmission mechanism includes shift transmission mechanism and clutch transmission, transmission mechanism of shifting gears includes L shape follower lever, intermediate connecting rod, steering engine rocker arm, and clutch transmission includes steering wheel and wirerope;The shift steering engine is connect by circuit with controller with clutch steering engine, it is connected between the shift steering engine and steering engine rocker arm by spline, pass through an intermediate connecting rod connection between the L shape follower lever and steering engine rocker arm, intermediate connecting rod is formed hingedly with L shape follower lever and steering engine rocker arm by bolt and nut respectively, it is connected by way of interior external splines between L shape follower lever and shifting shaft, is connected between the steering wheel and clutch steering engine by interior external splines.The present invention has the characteristics that low weight, high integration and high the degree of automation.
Description
Technical field
The present invention relates to university student's equation motorcycle race shift studying technological domains, especially relate to a kind of university student's equation
Formula racing car automatic gear shifting system.
Technical background
Formula SAE (FSAE) was opened by SAE international (SAE International) in 1978
Do, concept is derived from a virtual producting factory, to the collection of all university student's design teams manufacture and design one it is small-sized similar
In the racing car of normal equation, it is desirable that racing car has excellent performance and sufficiently stable resistance at acceleration, braking, handling aspect
Long.
75 meters accelerate to examine the dynamic of FSAE racing car as a big event in university student's equation motorcycle race event
Power performance, and influence of the superiority and inferiority of shifting system to racing car power performance is particularly important.Being typically due to FSAE racing car driver is not
Very big interference is all caused to the driving ability of racing driver in the case of professional player and high-pressure.Therefore it designs and produces a set of
Stable automatic gear shifting system is just particularly important.
Summary of the invention
Present invention aim to address the problems of the prior art, propose a kind of equation motorcycle race automatic gear shifting system, energy
So that racing car is obtained coherent shift in linear accelerating, guarantee the accuracy on shift opportunity, export engine torque correctly,
On the one hand powerful power support is provided for racing car, while can also mitigate the operation difficulty of racing driver, reduce manual operation mistake
The accidentally negative effect to racing car performance.
A kind of university student's equation motorcycle race automatic gear shifting system, including control device and executive device, control device include
ECU, controller and sensor, executive device include shift steering engine, clutch steering engine and transmission mechanism, and transmission mechanism includes that shift passes
Motivation structure and clutch transmission, shift transmission mechanism includes L shape follower lever, intermediate connecting rod, steering engine rocker arm, clutch transmission
Including steering wheel and wirerope;The shift steering engine is connect by circuit with controller with clutch steering engine, the shift steering engine and rudder
It is connected between machine rocker arm by spline, by an intermediate connecting rod connection between the L shape follower lever and steering engine rocker arm, centre connects
Bar is formed hingedly with L shape follower lever and steering engine rocker arm by bolt and nut respectively, by inside and outside between L shape follower lever and shifting shaft
The form of spline connects, and is connected between the steering wheel and clutch steering engine by interior external splines, is passed through between the ECU and sensor
Circuit connection, the controller read ECU to sensor signal treated data, controller processing data and control shift
Steering engine and the rotation of clutch steering engine are to realize the control to engine speed changer.
The shift transmission mechanism is four-bar mechanism.
The shift steering engine and clutch steering engine are digital high torque steering engine.
The controller reads revolving speed, acceleration and gear data, and controls executive device.
The advantage of the invention is that:Compared to the hand operated pneumatic used with most domestic FSAE fleet(It is electronic)Formula
Shifting system or manual control half are pneumatic(It is electronic), the automatic gear shifting system can by optimize four-bar mechanism, improve mechanical structure
Transmission efficiency.High speed large torque steering engine can be used, make the electronic opposite gas cylinder of shift control pneumatically and direct current generator driving is in sound
It has a clear superiority between seasonable, in lightweight and integrated level.Steering engine reduces about 2kg, volume in weight relative to gas cylinder pressure reducing valve
It is reduced into 1/10th.This is huge change to pursuing for the reasonable and FSAE racing car simplified that limit acceleration is arranged with structure
Into.Driver no longer needs to the opportunity for judging properly to shift gears in 75 meters of accelerating projects, it is only necessary to control throttle, and keep straight-line travelling i.e.
It can.Both it had alleviated driver's pressure or ensure that the achievement of linear accelerating to a certain extent.
Detailed description of the invention
The invention will be further described with implementation method with reference to the accompanying drawing.
Fig. 1 is shift executive device schematic diagram of the invention;
Fig. 2 is shift steering engine schematic view of the mounting position of the invention;
Fig. 3 is the spline schematic view of the mounting position on gear shifting actuating mechanism and engine gear axis of the invention;
Fig. 4 is clutch actuator schematic diagram of the invention;
When Fig. 5 is racing car linear accelerating, the curve graph of acceleration inverse and speed;
Fig. 6 is control principle drawing of the invention;
Description of symbols:1- shift gears steering engine, 2- steering engine rocker arm, 3- intermediate connecting rod, 4-L shape follower lever, 5- lifting lug, 6- vehicle frame,
7- shifting shaft, 8- support, 9- steering wheel, 10- clutch steering engine.
Specific embodiment
The present invention is described further with reference to the accompanying drawings and examples.Although the present invention will in conjunction with preferred embodiment into
Row description, it should be understood that being not offered as limiting the invention in the embodiment.On the contrary, it may include having that the present invention, which will cover,
Alternative, modified and the equivalent in the scope of the present invention that appended claims limits.
As shown in Figs 1-4, a kind of equation motorcycle race automatic gear shifting system includes:Shift steering engine 1, steering engine rocker arm 2, centre connect
Bar 3, L shape follower lever 4, lifting lug 5, vehicle frame 6, shifting shaft 7, support 8, steering wheel 9, clutch steering engine 10.Automatic gear shifting system includes control
Device processed and executive device.Control device includes ECU, controller and sensor, and executive device includes shift steering engine 1, clutch rudder
Machine 10 and transmission mechanism, transmission mechanism include shift transmission mechanism and clutch transmission, and shift transmission mechanism includes that L shape is driven
Bar 4, intermediate connecting rod 3, steering engine rocker arm 2, clutch transmission include steering wheel 9 and wirerope.
Aluminum alloy materials can be used in L shape follower lever 4 and steering engine rocker arm 2, and carbon fibre material, lifting lug can be used in intermediate connecting rod 3
5, vehicle frame 6, shifting shaft 7, support 8 and steering wheel 9 use Steel material.
As shown in Figure 1, being connected between the L shape follower lever 4 and steering engine rocker arm 2 by an intermediate connecting rod 3 when original state
It connects, intermediate connecting rod 3 and L shape follower lever 4 and steering engine rocker arm 2 are formed hingedly by bolt and nut.L shape follower lever 4 and steering engine rocker arm 2
In parallel, intermediate connecting rod 3 and L shape follower lever 4 is arranged vertically.It is connected between the steering engine rocker arm 2 and shift steering engine 1 by spline,
Axial restraint is carried out by axial bolt between the two.The shift transmission mechanism is four-bar mechanism.The steering engine rocker arm 2
Lever ratio between L shape follower lever 4 can be determined by the torsion parameter of shift steering engine torsion parameter and engine gear axis.
As shown in Fig. 2, shift steering engine 1 is by forming Hard link between four pairs of bolt and nuts and lifting lug 5, lifting lug 5 passes through weldering
It connects and is fixed on vehicle frame 6.
As shown in figure 3, being connected by way of interior external splines between L shape follower lever 4 and shifting shaft 7.Shift steering engine 1 can drive
Dynamic steering engine rocker arm 2 carries out pivoting, and the transmitting of power is carried out by intermediate connecting rod 3, so that L shape follower lever 4 be driven to carry out around axis
Rotation.The intermediate connecting rod 3 can be determined by the relative position between vehicle frame 6, shifting shaft 7.
As shown in figure 4, connecting between the steering wheel 9 and clutch steering engine 10 by interior external splines, pass through axial direction between the two
Bolt carry out axial restraint.The clutch steering engine 10 is by forming Hard link, support 8 between four pairs of bolt and nuts and support 8
It is fixed by welding on vehicle frame 6.Make wirerope will not be from steering wheel by crimping after circular hole on the steel wire penetrating steering wheel 9
Upper abjection, so that the rotation of steering wheel 9 be made to be able to drive wirerope.When original state, clutch steering engine 10 is rotated the idle stroke of clutch
It completely eliminates, is continued to rotate when receiving instruction, disengage clutch.
The shift steering engine 1 is connect by circuit with controller with clutch steering engine 10.
Digital high torque steering engine can be used with clutch steering engine 10 in the shift steering engine 1, improves the control simplicity of steering engine
With reliability.
As shown in figure 5, the basic parameter based on racing car, analytical calculation and the acceleration and speed relational graph for drawing racing car,
To learn racing car theoretical best shift opportunity.
As shown in fig. 6, the controller reads revolving speed, acceleration and gear data from ECU by CAN communication, and to holding
Luggage, which is set, to be controlled.The ECU is calculated by reading the sensor signal being mounted on engine speed changer input and output shaft
It learns engine current gear, reads the acceleration that current vehicle speed and vehicle is calculated in the sensor signal being mounted in racing car
Degree.
The control principle of shift is divided into following three kinds of situations and is illustrated:
(1)When gear be neutral gear when, driver stir shift plectrum give controller send gear shifting signal, at this time controller will control from
Conjunction steering engine rotation, drives the rotation of clutch steering wheel, pulls wirerope, to make throw-out-of clutch, then controller controls shift rudder
Machine rotation, makes speed changer change tooth ratio, and then the rotation of controller control clutch steering engine, engages clutch.
(2)When the non-neutral gear of gear and when racing car is in acceleration mode, if actual vehicle speed is more than or equal to theoretical upshift speed,
Into upshift readiness, when revolving speed reaches the best time corresponding revolving speed, controller issues signal and controls engine to ECU
Cutting igniting, while controller control shift steering engine rotates shifting shaft 7 by four-bar mechanism and changes speed changer tooth ratio, realizes and rises
Gear.
(3)It is corresponding suitable according to racing car actual vehicle speed by controller when the non-neutral gear of gear and when racing car is in deceleration regime
Gear control clutch steering engine rotation, drive clutch steering wheel rotation, pull wirerope then controlled to make throw-out-of clutch
Device control shift steering engine rotation, makes speed changer change tooth ratio, then the rotation of controller control clutch steering engine, engages clutch.
Claims (4)
1. a kind of university student's equation motorcycle race automatic gear shifting system, which is characterized in that including control device and executive device, control
Device includes ECU, controller and sensor, and executive device includes shift steering engine(1), clutch steering engine(10)And transmission mechanism, it passes
Motivation structure includes shift transmission mechanism and clutch transmission, and shift transmission mechanism includes L shape follower lever(4), intermediate connecting rod
(3), steering engine rocker arm(2), clutch transmission includes steering wheel(9)And wirerope;The shift steering engine(1)With clutch steering engine(10)
It is connect by circuit with controller, the shift steering engine(1)With steering engine rocker arm(2)Between connected by spline, the L shape is driven
Bar(4)With steering engine rocker arm(2)Between pass through an intermediate connecting rod(3)Connection, intermediate connecting rod(3)Respectively with L shape follower lever(4)With
Steering engine rocker arm(2)It is formed hingedly by bolt and nut, L shape follower lever(4)With shifting shaft(7)Between by way of interior external splines
Connection, the steering wheel(9)With clutch steering engine(10)Between connected by interior external splines, pass through electricity between the ECU and sensor
Road connection, the controller read ECU to sensor signal treated data, controller processing data and control shift rudder
Machine(1)With clutch steering engine(10)Rotation is to realize the control to engine speed changer.
2. a kind of university student's equation motorcycle race automatic gear shifting system according to claim 1, which is characterized in that described changes
Gear transmission mechanism is four-bar mechanism.
3. a kind of university student's equation motorcycle race automatic gear shifting system according to claim 1, which is characterized in that described changes
Keep off steering engine(1)With clutch steering engine(10)For digital high torque steering engine.
4. a kind of university student's equation motorcycle race automatic gear shifting system according to claim 1, which is characterized in that the control
Device reads revolving speed, acceleration and gear data, and controls executive device.
Priority Applications (1)
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CN201810572131.5A CN108869724A (en) | 2018-06-06 | 2018-06-06 | A kind of university student's equation motorcycle race automatic gear shifting system |
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CN201810572131.5A CN108869724A (en) | 2018-06-06 | 2018-06-06 | A kind of university student's equation motorcycle race automatic gear shifting system |
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CN108869724A true CN108869724A (en) | 2018-11-23 |
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CN201810572131.5A Pending CN108869724A (en) | 2018-06-06 | 2018-06-06 | A kind of university student's equation motorcycle race automatic gear shifting system |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109268491A (en) * | 2018-11-29 | 2019-01-25 | 福建工程学院 | The gearshift and its working method of list type engine |
CN109552039A (en) * | 2018-12-14 | 2019-04-02 | 华侨大学 | A kind of automatic upshift system of FSAE racing car and automatic upshift method |
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CN2527499Y (en) * | 2001-05-30 | 2002-12-25 | 练德辉 | Automatic adjuster for speed variator of motorcycle |
CN2841499Y (en) * | 2005-10-11 | 2006-11-29 | 蒋富强 | Motorcycle intelligent gear shift system |
JP2010216561A (en) * | 2009-03-16 | 2010-09-30 | Toyota Motor Corp | Control device for vehicular power transmission device |
CN103592914A (en) * | 2013-11-07 | 2014-02-19 | 西安西光创威光电有限公司 | Remote target vehicle driving system |
CN208348479U (en) * | 2018-06-06 | 2019-01-08 | 浙江大学城市学院 | University student's equation motorcycle race automatic gear shifting system |
-
2018
- 2018-06-06 CN CN201810572131.5A patent/CN108869724A/en active Pending
Patent Citations (5)
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---|---|---|---|---|
CN2527499Y (en) * | 2001-05-30 | 2002-12-25 | 练德辉 | Automatic adjuster for speed variator of motorcycle |
CN2841499Y (en) * | 2005-10-11 | 2006-11-29 | 蒋富强 | Motorcycle intelligent gear shift system |
JP2010216561A (en) * | 2009-03-16 | 2010-09-30 | Toyota Motor Corp | Control device for vehicular power transmission device |
CN103592914A (en) * | 2013-11-07 | 2014-02-19 | 西安西光创威光电有限公司 | Remote target vehicle driving system |
CN208348479U (en) * | 2018-06-06 | 2019-01-08 | 浙江大学城市学院 | University student's equation motorcycle race automatic gear shifting system |
Non-Patent Citations (2)
Title |
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张进;麻友良;丁华斌;金杭;: "摩托车电子控制换挡装置的研究", 小型内燃机与车辆技术, no. 01, pages 1 - 6 * |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109268491A (en) * | 2018-11-29 | 2019-01-25 | 福建工程学院 | The gearshift and its working method of list type engine |
CN109552039A (en) * | 2018-12-14 | 2019-04-02 | 华侨大学 | A kind of automatic upshift system of FSAE racing car and automatic upshift method |
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