Control method for achieving steep slope slow descending and slope slipping prevention in a speed ring mode
A control method and speed loop technology, applied in the control of driving, transportation and packaging, electric vehicles, etc., can solve problems such as high voltage, danger, and no good solution to prevent slippage, and achieve battery protection and riding experience. boosted effect
Inactive Publication Date: 2020-07-28
JIANGSU JINFENG ELECTROMECHANICAL CO
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Problems solved by technology
[0002] For electric tricycle controllers, adding anti-slope function is a necessary technology at present, but the anti-slope technology currently used generally adopts the technical method of opening three lower bridges of the inverter and closing three upper bridges. For some It is possible for occasions with light loads and low vibration requirements; for heavy loads that require anti-slope technology, there is no good solution on the market.
[0003] For a tricycle traveling down a steep slope or a long downhill, there will be a slippery slope and a steep slope drop during operation (that is, the actual speed is greater than the given speed of the handle when going downhill), and the actual speed may be much higher than the vehicle allows. At the maximum speed, there will be a situation where the voltage generated by the motor is much greater than the battery voltage. This situation is easy to burn the battery, controller and motor. If it cannot be prevented, it will be very dangerous
Method used
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[0018] Below in conjunction with specific examples, further illustrate the present invention, the examples are implemented under the premise of the technical solutions of the present invention, it should be understood that these examples are only used to illustrate the present invention and are not intended to limit the scope of the present invention.
[0019] The method of using the speed loop method of the present application to realize the control method of steep slope descent and anti-slip slope includes the following steps:
[0020] 1) Determine the operating conditions of the electric tricycle, whether it is in the state of sliding slope or steep slope;
[0021] If the electric tricycle has reverse rotation speed during the forward process, it is determined that the vehicle enters the state of sliding slope. If the actual speed of the motor is greater than the given speed value of the handlebar, it is determined that the vehicle is in a state of steep downhill speed.
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The invention discloses a control method for achieving steep slope slow descending and slope slipping prevention in a speed ring mode. The invention belongs to the technical field of electric tricyclecontrol. A controller judges the running state of an electric tricycle, if the electric tricycle is in the slope sliding state, the sector where the current vector is located is monitored in real time, and when the actual rotating speed of the motor is larger than the preset slope sliding preventing rotating speed, opposite driving force is provided for the sector where the is is located, so thatthe slope sliding rotating speed is stabilized at the preset slope sliding preventing rotating speed; and if the electric tricycle is in a steep slope quick-drop state, when the actual running speedof the motor is greater than the rotating speed value corresponding to the rotating handle, the vector sector where the is is located is determined, and opposite driving force is provided for the sector, so that the motor stably runs in a steep slope stage.
Description
technical field [0001] The invention belongs to the technical field of electric tricycle control, and in particular relates to a control method for realizing gradual descent of steep slopes and anti-slip slopes by using a speed loop mode. Background technique [0002] For electric tricycle controllers, adding anti-slope function is a necessary technology at present, but the anti-slope technology currently used generally adopts the technical method of opening three lower bridges of the inverter and closing three upper bridges. For some It is possible for occasions with light loads and low requirements for jitter; for heavy loads, anti-slope technology is currently not a good solution on the market. [0003] For a tricycle traveling down a steep slope or a long downhill, there will be a slippery slope and a steep slope drop during operation (that is, the actual speed is greater than the given speed of the handle when going downhill), and the actual speed may be much higher tha...
Claims
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IPC IPC(8): B60W30/02B60W40/10B60W40/00B60L15/20
CPCB60L15/20B60W30/02B60W40/00B60W40/10Y02T10/72
Inventor 丛凤龙陶加山陈立
Owner JIANGSU JINFENG ELECTROMECHANICAL CO