JP3592362B2 - Idling control device for internal combustion vehicle - Google Patents

Description

[0001]
[Industrial applications]
The present invention relates to an idling control device for an internal combustion vehicle.
[0002]
[Prior art]
Detects the occurrence of idling of the drive shaft from the acceleration / deceleration of the drive shaft or the slip state of the drive shaft, outputs a notch command different from the notch command of the master controller operated by the driver to the internal combustion engine, and changes the engine output Examples of an idle control device for an internal combustion vehicle having an idle control function that corrects the rotational force of the driving shaft in this manner include JP-A-3-199635 and JP-A-3-200469.
[0003]
[Problems to be solved by the invention]
However, in the idle control device, even when each of the control device, the rotation detector, the internal combustion engine, and the power transmission device related to the power running of the internal combustion vehicle is in an abnormal state or when the internal combustion vehicle is in a braking state, the power running conditions and If the condition of occurrence of slip is satisfied, slip control is executed. In addition, even when each of the devices is in an abnormal state, the internal combustion vehicle is in a braking state, or the driver has changed the notch of the master controller during the idle control in the idle control device, the power running is performed. If the condition and the condition that the slip is not converged are satisfied, the slip control is continuously executed.
[0004]
Examples of abnormal states of the control device, the rotation detector, the internal combustion engine, and the power transmission device related to power running of the internal combustion vehicle include a control device abnormality such as an electronic governor and a transmission control device, an engine speed, a driving shaft speed, and a slave shaft. There are abnormalities in the rotational speed, abnormalities in reverse and forward / backward speed / speed stage operation and check abnormalities, abnormalities in water temperature, oil temperature and hydraulic pressure in the internal combustion engine and transmission. Among the abnormal states, there is a serious abnormal state in which a problem is immediately caused by powering from the viewpoint of security of the device.
[0005]
An internal combustion vehicle is provided with a function that automatically disables power running when some serious abnormal state is detected. However, in general, when an abnormal state is detected, the driver is only alerted by a warning sound or a display device, and the subsequent steps are manually performed by the driver. This will be described below using the transmission oil temperature as an example. For the transmission oil temperature, two types of abnormal conditions can be detected: an oil temperature caution state where the temperature is set slightly below the specified value, and an oil temperature high state specified with the specified value. There is a railway internal combustion vehicle equipped with a function that calls attention to a driver and automatically disables power when the oil temperature is high. The driver operates the internal combustion vehicle by comprehensively judging display devices such as a speedometer and various pressure gauges, the operation status of the train, and the like. For example, if the driver is cautious of the oil temperature at the gear position, the driver performs a notch operation so that the transmission ratio of the torque converter becomes a good speed ratio (output rotation speed / input rotation speed), or the driver cannot drive at the direct connection stage. As soon as the vehicle reaches the speed range where it can reach the speed limit, we will work to ensure safety and ensure punctuality of the train by using a driving method that prevents the oil temperature from rising, such as immediately putting it into a directly connected stage with good transmission efficiency. At this time, if the idling control device executes the idling control to change the engine output to correct the rotating force of the driving shaft on condition that the condition of the occurrence of the idling is satisfied at the shift speed, regardless of the driver's intention, As a result, the speed ratio of the torque converter changes, and if the speed ratio with poor transmission efficiency continues, there is a possibility that the increase in the oil temperature cannot be prevented. From the above, if the idle control is executed when each of the devices is in an abnormal state, the idle control may increase the abnormal state, which may hinder the running of the internal combustion vehicle, and ensure the safety or the train. There is a problem in terms of ensuring the punctuality of the project.
[0006]
The driver performs both powering operation and braking operation simultaneously for a while, such as when starting the internal combustion vehicle at a location with a large uphill gradient or when it is necessary to accelerate the internal combustion vehicle very slowly without impact. A braking power operation may be performed. When the same operation is performed, the internal combustion vehicle is in a so-called braking power running state in which the internal combustion vehicle is in a power running state and at the same time is in a braking state. In this state, when the moving shaft slides and heads for re-adhesion, the moving shaft acceleration sometimes satisfies the condition for occurrence of idling. In addition, in the braking power running state, when the driven shaft slides without the running shaft sliding, the speed difference between the two may satisfy the condition of occurrence of idling. As described above, in the braking power running state, the idling control device performs the idling control on the condition that the condition of the idling occurrence detected from the acceleration of the driving shaft or the slip state of the driving shaft is satisfied even though the idling is not performed. When executed, the rotational force of the driving shaft decreases, or unnecessary fluctuation of the rotational force of the driving shaft occurs, so that the purpose of accelerating the internal combustion vehicle extremely slowly without starting the slope or impact can not be achieved, and the internal combustion vehicle cannot be achieved. There is a problem in terms of securing a good ride, ensuring safety, or ensuring punctuality of the train.
[0007]
The driver of the internal combustion vehicle selects the notch of the master controller by comprehensively judging the situation in front, the condition of the vehicle, and the operation condition of the train. In this determination, priority is given to matters for ensuring safety, such as observing the speed limit and avoiding sudden danger. If idling control is being executed and the driver continues to execute idling control even though the driver changed the notch to ensure safety, there is a problem that safety, which should be the highest priority, is not performed. .
[0008]
SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problem, and there is a possibility that the running of an internal combustion vehicle may be hindered by execution of an idle control that corrects the rotational force of a dynamic shaft. The slip control device has a function of not executing the slip control even if the condition is satisfied, and a function of stopping the execution of the slip control even if the condition of the spin convergence is not satisfied if the slip control is being performed. Accordingly, it is an object of the present invention to secure a good ride comfort and safety of the internal combustion vehicle and to secure the punctuality of the train.
[0009]
[Means for Solving the Problems]
The invention according to claim 1 is characterized in that when at least one of the control device, the rotation detector, the internal combustion engine, and the power transmission device related to the power running of the internal combustion vehicle is in an abnormal state, the running shaft idles. Regardless of whether or not, means for not performing the idle control by the idle control means, and, while the idle control means is performing idle control, if at least one of the respective devices is in an abnormal state, Means for stopping execution of the idle control by the idle control means, irrespective of whether or not the drive shaft has converged, and a notch input from the master controller while the idle control means is executing the idle control. when said information has been changed, regardless of whether the pivot shaft is idle converging, means for stopping the execution of the idling control by the idling control means, by which the provided the idling control system for an internal combustion vehicle It is intended to solve the problem.
[0010]
The invention according to claim 2 is means for preventing the idling control means from executing idling control when the internal combustion vehicle is in a brake state, regardless of whether or not the driving shaft is idling, and the idling control means. If There the internal combustion vehicle during execution of the idling control becomes braking state, regardless of whether the pivot shaft is idle converging, means for stopping the execution of the idling control by the idling control means, said idle When the notch information input from the master controller is changed while the control means is executing the slip control, the execution of the slip control by the slip control means is performed irrespective of whether or not the drive shaft is idling converged. The above problem is solved by providing a means for stopping the operation of the vehicle and an idle control device for the internal combustion vehicle.
[0011]
[Action]
According to the slip control device of the present invention, when the control device, the rotation detector, the internal combustion engine, and the power transmission device relating to the power running of the internal combustion vehicle are in an abnormal state, or when the internal combustion vehicle is in a brake state, the condition of the occurrence of the slip is generated. Does not execute the slip control even if is satisfied, and, if the slip control is being executed, when each of the devices is in an abnormal state, when the internal combustion vehicle is in a brake state, or when the driver is the master controller, When the notch is changed, the execution of the slip control is stopped. As a result, it is possible to ensure good riding comfort and safety of the internal combustion vehicle, and to ensure punctuality of the train.
[0012]
【Example】
FIG. 1 shows an embodiment of an idling control device for an internal combustion vehicle according to claims 1, 2 and 3 of the present invention. Each of a control device, a rotation detector, an internal combustion engine, and a power transmission device related to power running of the internal combustion vehicle. FIG. 5 is an explanatory diagram when the device is in an abnormal state, when the internal combustion vehicle is in a brake state, and when the notch of the master controller is changed during the idling control. Here, 1 is a power running control device, 2 is an internal combustion engine, 3 is a power transmission device, 4 is a driving shaft speed detector, 5 is a slave shaft speed detector, 6 is power running control device abnormal information, 7 is engine abnormal information, 8 is power transmission device abnormality information, 9 is driving shaft speed abnormality information, 10 is slave shaft speed abnormality information, 11 is idle rotation control execution / stop function, 12 is brake information, 13 is brake control device, 14 is driving shaft, 15 Is a slave shaft, 16 is a drive shaft speed signal, 17 is a slave shaft speed signal, 18 is an idling occurrence / convergence detecting function, 19 is idling occurrence / convergence information, 20 is idling control execution / stop information, 21 is an idling control function, 22 is a master controller, 23 is notch information, 24 is a notch command, 25 is a fuel rack position command, and 26 is an idling control device.
[0013]
If each of the power running control device 1, the internal combustion engine 2, the power transmission device 3, the drive shaft speed detector 4, and the slave shaft speed detector 5 is in an abnormal state, the power running control device fault information 6, the engine fault information 7, Information indicating that each device is in an abnormal state is output to the idling control execution / stop function 11 as the power transmission device abnormality information 8, the drive shaft speed abnormality information 9, and the slave shaft speed abnormality information 10. When the internal combustion vehicle is in the brake state, the brake control device 13 outputs information indicating that the brake state is in the brake state to the idling control execution / stop function 11 as the brake information 12.
[0014]
The moving shaft speed detector 4 detects the rotation speed of the moving shaft 14 and outputs it as a moving shaft speed signal 16. Similarly, the slave shaft speed detector 5 detects the rotation speed of the slave shaft 15 and outputs it as a slave shaft speed signal 17. The two speed signals are input to a slip / occurrence detection / convergence detection function 18. The slip / occurrence detection / convergence detection function 18 determines the occurrence of slip / convergence by a known method based on the two speed signals, and outputs the slip / occurrence information 19. It outputs to the idling control execution / stop function 11.
[0015]
If the idling occurrence / convergence information 19 is not the occurrence of idling or the idling convergence, the idling control execution / stop function 11 outputs information to the effect that the idling control is stopped to the idling control function 21 as the idling control execution / stop information 20. . In addition, no matter what the idling occurrence / convergence information 19 is, (1) the power running control device 1, the internal combustion engine 2, the power transmission device 3, the driving shaft speed detector 4, and the slave shaft speed detector 5 When the abnormality information of the power running control device abnormality information 6, the engine abnormality information 7, the power transmission device abnormality information 8, the driving shaft speed abnormality information 9, and the slave shaft speed abnormality information 10 is abnormal, (2) the brake control device When the brake information 12 from 13 is in the braking state, and when the notch information 23 from the master controller 22 changes, any one of (1), (2), and (3) is satisfied. In this case, the slip control execution / stop function 11 outputs to the slip control function 21 information indicating that the slip control has been stopped as slip control execution / stop information 20.
[0016]
The slip control function 21 to which the information of the stop of the slip control is input outputs the notch information 23 from the master controller 22 to the powering control device 1 as the notch command 24 as it is. The powering control device 1 that has received the notch command 24 outputs a fuel rack position command 25 to the internal combustion engine 2. The internal combustion engine 2 generates a torque according to the fuel rack position command 25, and the torque is transmitted to the driving shaft 14 via the power transmission device 3.
[0017]
The idling control execution / stop function 11 is for the case where the idling occurrence / convergence information 19 indicates that the idling has occurred and is not the idling convergence, and (1) the powering control device 1, the internal combustion engine 2, the power transmission device 3, the dynamic shaft speed detector 4, powering control device abnormality information 6, engine abnormality information 7, power transmission device abnormality information 8, dynamic shaft speed abnormality information 9, and slave shaft speed abnormality information 10 from each device of the slave shaft speed detector 5. If not abnormal, (2) if the brake information 12 from the brake control device 13 is not in the brake state, (3) if the notch information 23 from the master controller 22 has not changed during execution of the slip control, When all of the conditions (1), (2), and (3) are satisfied, information indicating that the idling control is executed is output to the idling control function 21 as the idling control execution / stop information 20.
[0018]
The idling control execution / stop function 11 is a feature of the present invention.
[0019]
The idling control function 21 to which the information of the execution of the idling control is inputted, corrects the notch information 23 from the master controller 22 based on the driving shaft speed signal 16 and the slave shaft speed signal 17, and outputs a power running control as a notch command 24. A known slip control output to the device 1 is executed. The powering control device 1 that has received the notch command 24 outputs a fuel rack position command 25 to the internal combustion engine 2. The internal combustion engine 2 generates a torque according to the fuel rack position command 25, and the torque is transmitted to the drive shaft 14 via the power transmission device 3.
[0020]
Figure 2 is Ri Zudea showing a flow of processing in the idling control device for an internal combustion vehicle of Figure 1, the process Ru processing der that runs continuously in conjunction with the processing of the idling control. Step S1 is the starting end of the process . In step S2, it is determined whether or not occurrence of idling has been detected. If idling has not been detected, normal power running control in step S10 is executed. If idling has been detected, master control has been executed in step S3. The notch information n from the container is read. In step S4, it is determined whether or not each of the power running control device, the internal combustion engine, the power transmission device, the drive shaft speed detector, and the slave shaft speed detector is in an abnormal state, and if any of the devices is in an abnormal state. For example, the normal powering control of step S10 is executed, and if not abnormal, the process proceeds to step S5. In step S5, it is determined whether or not the vehicle is in the brake state. If the vehicle is in the brake state, the normal power running control in step S10 is executed. If not, the known idling control is executed in step S6. In step S7, it is determined whether or not idling convergence has been detected. If idling convergence has been detected, normal power running control in step S10 is executed. If idling convergence has not been detected, the master controller is determined in step S8. The notch information m from is read. In step S9, the notch information n and the notch information m are compared. If the two are different, that is, if there is a change in the notch information, the normal power running control in step S10 is executed. If there is no change, the process proceeds to step S4.
[0021]
Although the present embodiment has described the idling control device that corrects the rotational force of the drive shaft by correcting the notch command for the internal combustion engine, any idle control device that corrects the rotational force of the drive shaft may be used for an internal combustion vehicle. The present invention is also applicable to other slip control devices.
[0022]
【The invention's effect】
According to the present invention, when there is a possibility that the running of an internal combustion vehicle may be affected by the execution of the idle control that corrects the rotational force of the driving shaft, a function that does not execute the idle control even if the condition of the occurrence of the idle is satisfied; The function of stopping the execution of the slip control even if the condition of the slip convergence is not satisfied during the execution is provided by the slip control device, so that a good ride comfort and safety of the internal combustion vehicle can be ensured and the train can be secured. Punctuality can be ensured.
[Brief description of the drawings]
BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an embodiment of an internal combustion vehicle idling control device according to claims 1, 2 and 3 of the present invention; FIG. 4 is an explanatory diagram when each device is in an abnormal state, when an internal combustion vehicle is in a brake state, and when a notch of a master controller is changed during idling control.
FIG. 2 is a flowchart showing functions of the idling control device for the internal combustion vehicle of FIG. 1;
[Explanation of symbols]
Reference Signs List 1 powering control device 2 internal combustion engine 3 power transmission device 4 driving shaft speed detector 5 slave shaft speed detector 6 powering control device abnormality information 7 engine abnormality information 8 power transmission device abnormality information 9 dynamic shaft speed abnormality information 10 slave shaft speed abnormality Information 11 Slip control execution / stop function 12 Brake information 13 Brake control device 14 Driving shaft 15 Subordinate shaft 16 Driving shaft speed signal 17 Slave shaft speed signal 18 Slip occurrence / convergence detection function 19 Slip occurrence / convergence information 20 Slip control execution / stop Information 21 Slip control function 22 Master controller 23 Notch information 24 Notch command 25 Fuel rack position command 26 Slip controller

Claims (2)

In the case of detecting the occurrence of idling of the driving shaft, in the idling control device of the internal combustion vehicle including the idling control means for correcting the rotational force of the driving shaft,
When at least one of the control device, the rotation detector, the internal combustion engine, and the power transmission device related to the power running of the internal combustion vehicle is in an abnormal state, regardless of whether the driving shaft is idling, Means for not performing the slip control by the slip control means,
If at least one of the devices is in an abnormal state while the idling control unit is executing the idling control, the idling by the idling control unit is performed irrespective of whether or not the driving shaft is idling convergence. Means for stopping execution of the control;
If the notch information input from the master controller is changed while the idling control unit is executing the idling control, regardless of whether or not the driving shaft is idling converged, the idling control by the idling control unit is performed. Means for stopping the execution of
An idling control device for an internal combustion vehicle, comprising: In the case of detecting the occurrence of idling of the driving shaft, in the idling control device of the internal combustion vehicle including the idling control means for correcting the rotational force of the driving shaft,
When the internal combustion vehicle is in the braking state, irrespective of whether or not the driving shaft is idling, means for not executing the idling control by the idling control means,
Means for stopping the execution of the idle control by the idle control means when the internal combustion vehicle is in a brake state while the idle control means is executing the idle control, irrespective of whether or not the driving shaft converges idle. When,
If the notch information input from the master controller is changed while the idling control unit is executing the idling control, regardless of whether or not the driving shaft is idling converged, the idling control by the idling control unit is performed. Means for stopping the execution of
An idling control device for an internal combustion vehicle, comprising:

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