CN101148170B - Gasoline-electric hybrid control system and method for motorcycle - Google Patents

Abstract

A gasoline-electric hybrid power control system and method for motorcycle is used to control the power output of gasoline engine and electric motor, and includes a power control module and a charge control module, in which the power control module is electrically connected with a throttle controller for controlling the power of gasoline engine and a motor controller for controlling the power of motor, and receives a wheel speed signal, a fuel-filling handle signal and a battery signal of motorcycle, so as to regulate the power matching degree of gasoline engine and electric motor, so that the gasoline engine is fuel-saving and low-pollution, but the motorcycle still maintains the power output of maximum torque.

Description

Gasoline-electric hybrid control system and method for motorcycle

【Technical field】

The present invention relates to a control system and method, in particular to an oil-electric hybrid control system and method for motorcycles.

【Background technique】

Please refer to FIG. 1 , which shows a schematic structural diagram of a conventional gasoline-electric dual-purpose motorcycle. As shown in Figure 1, at least one solar photovoltaic panel 110, 110a is provided on a motorcycle 100 driven by a gasoline engine, and a solar charge accumulator 130 is additionally provided on the motorcycle 100, A motor 150 is arranged above the front wheel 101, and the solar charge accumulator 130 is connected with the solar photovoltaic panels 110, 110a, and the motor 150 with wires (not shown), and the motor 150 is connected with the front wheel 101 of the motorcycle 100 by a transmission mechanism 151 In this way, the light can be converted into electrical energy by the solar photovoltaic panels 110, 110a, and the electrical energy can be charged and stored in the solar charge accumulator 130, and the electric power of the solar charge accumulator 130 can be transmitted to the motor 150, and transmitted through the transmission mechanism 151 The wheels 101 rotate to provide power from solar energy.

Please refer to FIG. 2 , which shows a block diagram of a conventional gasoline engine-generator-motor hybrid system. As shown in Figure 2, a hybrid power system 200 of a gasoline engine and a generator-motor unit includes a gasoline engine 210 and a generator-motor unit 220 connected in parallel, wherein the generator-motor unit 220 is connected with a converter 230, the The converter 230 is also connected with a battery pack 240. The electric energy generated by the generator motor unit 220 can be converted and stored in the battery pack 240 by the converter 230. The aforementioned converter 230 can also store the electric energy in the battery pack 240 when necessary. The electrical energy converted into an appropriate current form is sent to the generator motor group 220, so that the generator motor group 220 is converted into a motor form; the aforementioned gasoline engine 210, generator motor group 220, converter 230 and battery pack 240 are all connected The controller 250 is connected, and the controller 250 receives an electronic signal sensed by a detection mechanism 280; and the gasoline engine 210 and the generator motor unit 220 are connected by a power distribution device 260, and the power distribution device 260 is connected by a reduction gear set The reduction gear output shaft (not shown) of 270 is connected with the wheels (not shown); by the connection of the power distribution device 260 and the control of the controller 250, the kinetic energy of the gasoline engine 210 can be determined, which is directly used to drive the deceleration The gear set 270 and the wheels rotate, or the kinetic energy is transformed into electrical energy through the generator motor set 220 and stored in the battery set 240 .

However, it can be seen from the description of the above-mentioned prior art that the power matching of the gasoline engine and the motor is controlled and distributed by the controller, how to design the optimal control, and then adjust the power matching degree of the gasoline engine and the motor so that the gasoline The engine is fuel-efficient and low-pollution, but the motorcycle still maintains the maximum torque power output, which is where the industry continues to develop and work hard.

【Content of invention】

The object of the present invention is to provide a gasoline-electric hybrid control system and control method for a motorcycle, so as to propose a control system to control the power matching of a gasoline engine and an electric motor.

In order to achieve the above object, the present invention provides a gasoline-electric hybrid control system of a motorcycle, which is installed in a motorcycle, and the motorcycle is provided with a hybrid power composed of a gasoline engine and an electric motor. The electric hybrid power control system is used to control a throttle controller and a motor controller installed in the motorcycle, and then control the output power of the gasoline engine and the electric motor, and the motorcycle is provided with an electric motor battery to supply power to the electric motor, The gasoline-electric hybrid control system of this motorcycle includes a power control module and a charging control module,

Among them, the power control module is electrically connected to the throttle controller and the motor controller, and the power control module receives the wheel speed signal of the motorcycle, a fuel handle signal and a battery signal, and then judges the storage capacity of the battery. And determine whether the electric motor is activated; the power control module controls the throttle controller and the electric motor controller through the wheel speed signal and the fuel handle signal to adjust the matching degree of the output power of the electric motor and the gasoline engine.

The charging control module can charge the electric motor battery. When the battery signal is lower than a preset value, the charging control module will charge the electric motor battery.

The gasoline-electric hybrid control system of the motorcycle also includes a throttle signal processing module, which converts the rotational displacement of a fuel-fuel handle of the motorcycle into a signal of the fuel-fuel handle with a linear voltage value.

The gasoline-electric hybrid control system of the motorcycle also includes a battery capacity estimation module which is electrically connected to the electric motor battery, and estimates the storage capacity of the battery to generate a battery signal.

Among them, the motorcycle also includes a system battery, and the charging module is electrically connected to the system battery, and after increasing the voltage of the system battery, it charges the electric motor battery.

The preset value is 0.5 for the state of charge (SOC) of the electric motor battery.

A gasoline-electric hybrid control method for a motorcycle is used to control the power output of a gasoline engine and an electric motor of a motorcycle, and a throttle is used to control the power of the automobile engine, and a battery is used to supply power to the electric motor. The oil-electric hybrid power control method includes the following steps:

a. Receive a battery signal;

b. Judging whether the battery signal is lower than a preset value;

c. Receive a wheel speed signal and a fuel handle signal; and

d. Control the opening of the throttle and the current input to the electric motor to adjust the power matching between the gasoline engine and the electric motor.

After the step of judging whether the battery signal is lower than a preset value, a step of charging the battery and stopping starting the electric motor is also included.

To sum up, the gasoline-electric hybrid control system and method of the motorcycle of the present invention are used to control the power output of the gasoline engine and the electric motor, and include a power control module and a charging control module, wherein the power control module The group is electrically connected to a throttle controller that controls the power of the gasoline engine and a motor controller that controls the power of the motor, and receives the wheel speed signal of the motorcycle, a fuel handle signal and a battery signal, and then adjusts the gasoline engine and electric motor. The power matching degree of the motor enables the electric motor to assist the power of the gasoline engine, and adjusts the power matching degree of the electric motor and the gasoline engine so that the gasoline engine can run with the most fuel-efficient and the least pollution, so that the motorcycle can have Power output with maximum torque.

【Description of drawings】

Fig. 1 is a schematic diagram showing the structure of a conventional gasoline-electric dual-purpose motorcycle;

FIG. 2 is a block diagram showing a conventional gasoline engine and generator-motor hybrid system;

Fig. 3 is a diagram showing the structure of a motorcycle with an electric hybrid control system of the present invention;

Fig. 4 is a system block diagram showing the hybrid power control system of the present invention;

Figure 5 is a graph showing the performance of the gasoline engine of the present invention; and

Fig. 6 is a flow chart showing the hybrid control method of the motorcycle according to the present invention.

【Detailed ways】

Regarding the features and effects of the present invention, the preferred embodiments are described in detail as follows in conjunction with the accompanying drawings:

Please refer to FIG. 3 , which shows a structure diagram of a motorcycle with a hybrid electric control system of the present invention. As shown in Figure 3, the motorcycle 300 is provided with a gasoline engine 310 and an electric motor 330, and the gasoline engine 310 is connected to a continuously variable transmission (Continuosly Variable Transmission, CVT) 311 and a generator 313, and a final drive mechanism 315 is driven by the continuously variable transmission mechanism 311 , and then a rear wheel 305 connected to the final transmission mechanism 315 is rotated. The power output of gasoline engine 310 is controlled by throttle controller 317 and is connected to a throttle valve 320 of gasoline engine 310, and this throttle valve 320 is driven by a throttle valve drive motor 319, can make throttle controller 317 utilize automatic control By means of signal control, the angle of the throttle valve 320 is changed, thereby changing the output power of the gasoline engine 310 . The generator 313 is driven by the engine to rotate and generate power. After being stabilized by a voltage regulator 314, a system battery 321 connected to the voltage regulator 314 is charged, wherein the system battery 321 can be a 12-volt storage battery.

The electric motor 330 is installed on a front wheel 301 of the motorcycle 300, and the electric motor 330 can be such as a wheel hub motor (In wheel motor); The voltage is consistent with the operating voltage of the electric motor 330, so if the operating voltage of the electric motor 330 is 48 volts, the electric motor battery 331 is a 48 volt storage battery. A motor controller 333 can control the current input to the electric motor 330 by the electric motor battery 331 to determine the output power of the electric motor 330 . Moreover, a charging controller 335 is electrically connected to the system battery 321, and can control whether to charge the electric motor battery 331 through the system battery 321, but the electric motor battery 331 is a 48-volt storage battery, so the charging controller 335 It includes a booster element (not shown in the figure), which boosts the voltage of the system battery 321 , such as 12 volts, to the applicable voltage of the electric motor battery 331 , such as 48 volts. In addition, the wheel speed sensor 303 is connected to the front wheel 301 to sense the rotation speed of the front wheel 301 and generate a wheel speed signal.

Please refer to FIG. 4 , which is a system block diagram of the gasoline-electric hybrid control system of the present invention. As shown in FIG. 4 , the hybrid control system 500 includes a power control module 510 , a charging control module 530 , a throttle signal processing module 550 and a battery capacity estimation module 570 . Among them, the power control module 510 is electrically connected to the throttle controller 317 and the motor controller 333, and the throttle signal processing module 550 is a refueling system that converts the rotational displacement of a refueling handle 350 of the motorcycle 300 into a linear voltage value. handle signal. The battery capacity estimation module 570 is electrically connected to the electric motor battery 331 , and estimates the storage capacity of the electric motor battery 331 according to the voltage and current of the electric motor battery 331 , and then generates a battery signal.

The power control module 510 receives the wheel speed signal, fuel handle signal and battery signal. Firstly, the power control module 510 judges the storage capacity of the electric motor battery 331 through the battery signal, and determines whether to start the electric motor 330 . When the storage capacity of the electric motor battery 331 is sufficient to supply the rotation of the electric motor 330, the power control module 510 controls the throttle controller 317 and the motor controller 333 through the wheel speed signal and the fuel handle signal, so that the throttle controller 317 controls the throttle. The valve drive motor 319 rotates to change the opening of the throttle valve 320, and the motor controller 333 controls the current input to the electric motor 330 to adjust the matching degree of the output power of the electric motor 330 and the gasoline engine 310, so that the overall motorcycle 300 The power is in the most fuel-efficient state and can output the maximum torque, which can reduce the air pollution of the gasoline engine 310 and also has the driver's control characteristics of high power.

When the storage capacity of the electric motor battery 331 is lower than a preset value and is not enough to supply the rotation of the electric motor 330, the power of the motorcycle 300 is only the power of the gasoline engine 310, and the charging control module 530 controls the charging control The converter 335 enables the electric motor battery 331 to be charged with the power provided by the system battery 321.

The storage capacity of the electric motor battery 331 is represented by a state of charge (State of Charge, SOC), and the state of charge is between 0 and 1 to represent the storage capacity. Therefore, in this embodiment, the preset value of the storage capacity of the electric motor battery 331 is set as the boundary of the state of charge being 0.5, and when the state of charge is lower than 0.5, it means that the electric motor battery 331 must be in a state of charge. If the state of charge is 0.5 to 0.8, it means that the electric motor battery 331 has enough storage capacity for the electric motor 330 to use.

Please refer to FIG. 5 , which shows the performance curve of the gasoline engine of the present invention. As shown in Figure 5, it is a 125cc gasoline engine performance curve, which is to express the performance of the gasoline engine 310 by using the relationship between torque, rotating speed and brake specific fuel consumption (BSFC). The line part is the speed-torque relationship curve achieved under the best fuel-saving operation mode of the gasoline engine 310 , and the dotted line part is the speed-torque relationship curve achieved under the maximum torque operation mode of the gasoline engine 310 . The motorcycle 300 of the present invention has dual power sources of the gasoline engine 310 and the electric motor 330 at the same time, so the design method is to operate in the best fuel-saving mode of the gasoline engine 310, and the electric motor 330 assists power in addition to make the motorcycle 300 Overall, the most fuel-efficient and maximum torque output can be achieved.

Therefore, as shown in FIG. 4 , the operation mode of the motorcycle 300 with hybrid electric power is described as follows:

The driving mode of the motorcycle 300 has several situations: constant speed driving, cold start, starting, rapid acceleration and climbing, etc. In the above situations, except for constant speed driving, the electric motor 330 is required to make up for the insufficient torque.

However, before using the electric motor 330 as auxiliary power, it is necessary to detect the storage capacity of the electric motor battery 331 as a basis for starting the electric motor 330 . Then, the output power of the electric motor 330 is determined through the wheel speed signal and the fuel handle signal. If the storage capacity of the electric motor 330 is too low to supply the operation of the electric motor 330 , the power of the motorcycle 300 is only supplied by the gasoline engine 310 .

The following various modes are different driving modes in which the electric motor battery 331 has sufficient storage capacity to supply the operation of the electric motor 330 .

If the motorcycle 300 is in the starting state, firstly the power control module 510 receives the wheel speed signal and the fuel handle signal to control the output power of the electric motor 330 and the output power of the gasoline engine 310 . Therefore, when both the wheel speed signal and the fueling handle signal are 0, the power control module 510 judges that the motorcycle 300 is in the starting state. Since the motorcycle 300 is in the starting state, the load is the largest, so when the fueling handle signal increases , the power control module 510 controls the power of the electric motor 330 to be the maximum, and gradually increases the power of the gasoline engine 310 according to the signal of the refueling handle.

If the motorcycle 300 is in the state of rapid acceleration, the power control module 510 detects the signal of the refueling handle and the signal of the wheel speed every 0.1 second. If the signal of the refueling handle increases to the maximum within 0.5 seconds, the power control module 510 passes through It is judged as a rapid acceleration state, so the power control module 510 controls the power of the electric motor 330 and the gasoline engine 310 to be the maximum.

If the motorcycle 300 is in the climbing state, the power control module 510 judges that the signal of the fuel handle increases, but the wheel speed signal does not increase in direct proportion to the signal of the fuel handle. Therefore, it is judged to be in the climbing state. The group 510 controls the output power of the electric motor 330 to be the maximum to assist the power of the gasoline engine 310 .

Therefore, the power of the electric motor 330 is used to assist the power of the gasoline engine 310 so that the output power of the gasoline engine 310 can be reduced, thus saving fuel consumption and reducing air pollution generated by the engine.

Please refer to FIG. 6 , which is a flow chart of the gasoline-electric hybrid control method of the motorcycle according to the present invention. As shown in Figure 6, with reference to the above description, the gasoline-electric hybrid control method of the motorcycle of the present invention includes the following steps:

First accept a battery signal (step 700), then judge whether the battery signal is lower than a preset value (step 710), then accept a wheel speed signal and a fuel handle signal (step 730), and finally control a throttle The opening degree and the current input to the electric motor are used to adjust the power matching degree of the gasoline engine and the electric motor (step 750).

Wherein, after the step of judging whether the battery signal is lower than a preset value (step 710), it further includes the step of charging the battery and stopping the electric motor (step 770), and controlling the opening of the throttle to adjust the gasoline engine power (step 790).

Therefore, the present invention is a gasoline-electric hybrid control system and control method for a motorcycle, which is used to control the power matching degree between the gasoline engine and the electric motor, so that the gasoline engine is fuel-efficient and low-pollution, but the motorcycle still maintains the power of the maximum torque. In addition, it is worth mentioning that the electric motor of the present invention can be installed on the front wheel of the motorcycle. Loss of power transmission process.

Although the present invention is disclosed above with the aforementioned preferred embodiments, it is not intended to limit the present invention. Any equivalent changes and modifications made by those skilled in the similar art without departing from the spirit and scope of the present invention are still the same. Within the scope of patent protection of the present invention.

[Description of main component symbols]

100 motorcycle 305 rear wheel

101 front wheels 310 gasoline engine

110 solar photovoltaic panels 311 stepless speed change mechanism

110a solar photovoltaic panel 313 generator

130 solar charge accumulator 314 voltage regulator

150 motor 315 final drive mechanism

151 transmission mechanism 317 throttle controller

200 Gasoline engine and generator motor set 319 Throttle drive motor hybrid system 320 Throttle valve

210 gasoline engine 321 system battery

220 generator motor unit 330 electric motor

230 Converter 331 Electric Motor Battery

240 battery pack 333 motor controller

250 controller 335 charge controller

260 power distribution device 350 refueling handle

270 reduction gear set 500 oil-electric hybrid power control system

280 detection mechanism 510 power control module

300 motorcycle 530 charging control module

301 front wheel 550 throttle signal processing module

303 wheel speed sensor 570 battery capacity estimation module

Claims (11)

1. A gasoline-electric hybrid control system of a motorcycle is arranged in a motorcycle, and the motorcycle is provided with a hybrid power composed of a gasoline engine and an electric motor, and the gasoline-electric hybrid control system of the motorcycle The system is used to control a throttle controller and a motor controller installed on the motorcycle, and then control the output power of the gasoline engine and the electric motor, and the motorcycle is provided with an electric motor battery to supply power to the electric motor , characterized in that: the gasoline-electric hybrid control system of the motorcycle includes: A throttle signal processing module, which converts the rotational displacement of a refueling handle of the motorcycle into a fueling handle signal of a linear voltage value, A battery capacity estimation module, electrically connected to the electric motor battery, and estimates the storage capacity of the battery to generate a battery signal, A power control module is electrically connected to the throttle controller and the motor controller, and the power control module receives the wheel speed signal of the motorcycle, the fuel handle signal and the battery signal, and then judges the The storage capacity of the battery determines whether the electric motor is started, and the power control module controls the throttle controller and the electric motor controller through the wheel speed signal and the fuel handle signal to adjust the electric motor The degree of matching with the output power of the gasoline engine, when the motorcycle is in the starting state and the signal of the fuel handle increases, the power control module controls the power of the electric motor to the maximum, and then increases according to the signal of the fuel handle, and Gradually increase the power of the petrol engine; and A charging control module can charge the battery of the electric motor. When the battery signal is lower than a preset value, the charging control module will charge the battery of the electric motor. the 2. The gasoline-electric hybrid control system of a motorcycle according to claim 1, wherein the battery capacity estimation module receives the voltage and current of the electric motor battery to estimate the storage capacity of the electric motor battery capacitance. the 3. The gasoline-electric hybrid control system of a motorcycle as claimed in claim 1, wherein the motorcycle also includes a system battery, and the charging control module is electrically connected to the system battery, and improves the system battery. After the voltage of the battery is charged, the electric motor battery is charged. the 4. The gasoline-electric hybrid control system of a motorcycle according to claim 1, wherein the preset value is that the state of charge (SOC) of the electric motor battery is 0.5. the 5. The gasoline-electric hybrid control system of a motorcycle according to claim 1, wherein the electric motor is arranged on the front wheel of the motorcycle. the 6. The gasoline-electric hybrid control system of a motorcycle according to claim 5, wherein the electric motor is a hub motor. the 7. A gasoline-electric hybrid control method for a motorcycle, which is used to control the power output of a gasoline engine and an electric motor of a motorcycle, comprising a power control module and a charging control module, characterized in that: The power control module is electrically connected to a throttle controller for controlling the power of the gasoline engine and a motor controller for controlling the power of the motor, and a throttle is used to control the power of the gasoline engine, a battery is used to supply power to the electric motor, the The gasoline-electric hybrid control method includes the following steps: a. Receive a battery signal; b. Determine whether the battery signal is lower than a preset value; c. Receive a wheel speed signal and a fuel handle signal; and d. Control the opening of the throttle and the current input to the electric motor to adjust the power matching between the gasoline engine and the electric motor. When the motorcycle is in the starting state and the signal of the fuel handle increases, the power control module The group controls the power of the electric motor to be the maximum, and gradually increases the power of the gasoline engine when the signal of the fuel handle is increased. the 8. The gasoline-electric hybrid control method of a motorcycle according to claim 7, wherein after the step of judging whether the battery signal is lower than a preset value, further comprising charging the battery and stopping starting the electric motor. Motor steps. the 9. The gasoline-electric hybrid control method of a motorcycle as claimed in claim 8, characterized in that: after the step of charging the battery and stopping and starting the electric motor, it also includes controlling the opening of the throttle to adjust The gasoline engine powers the steps. the 10 . The method for controlling the hybrid electric power of a motorcycle according to claim 7 , wherein the electric motor is arranged on the front wheel of the motorcycle. 11 . the 11. The method for controlling a hybrid electric motor of a motorcycle according to claim 10, wherein the electric motor is a hub motor. the

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