Vehicle control method and vehicle control device

Abstract

Controls the auxiliary load of the vehicle to meet the power performance requirements while driving. [Solution] The vehicle performs an auxiliary equipment stop when predetermined auxiliary equipment stop conditions are met according to the vehicle speed, altitude, and accelerator opening while driving, stopping the alternator 2 and compressor 3, which are vehicle auxiliary equipment. The vehicle performs an auxiliary equipment stop release when the auxiliary equipment stop is being performed, restarting the operation of the alternator 2 and compressor 3 by releasing the auxiliary equipment stop according to the vehicle speed. The vehicle releases the auxiliary equipment stop when the amount of increase in vehicle speed from the start of the auxiliary equipment stop until a predetermined first predetermined time has elapsed is equal to or greater than a predetermined first speed threshold, which is a predetermined first amount. The vehicle continues the auxiliary equipment stop if the amount of increase in vehicle speed from the start of the auxiliary equipment stop until a predetermined first predetermined time has elapsed is less than the predetermined first amount.

Description

Technical Field

[0001] The present invention relates to a vehicle control method and a vehicle control device.

Background Art

[0002] For example, in Patent Document 1, in the control of an air conditioner for vehicle interior air conditioning, when the load of an internal combustion engine exceeds a predetermined load, the air conditioner cut-off time is determined according to the atmospheric pressure, and the operation of the air conditioner (air conditioner) is stopped for the air conditioner cut-off time from the time point when it exceeds, so as to achieve both the running performance and the air conditioning performance of the vehicle.

Prior Art Documents

Patent Documents

[0003]

Patent Document 1

Summary of the Invention

Problems to be Solved by the Invention

[0004] However, the air conditioner cut-off time in Patent Document 1 is determined by the atmospheric pressure and the load of the internal combustion engine, and is not set in consideration of the road conditions during running.

[0005] Therefore, when the road conditions change during running and the power performance becomes severe, there is a possibility that the required power performance cannot be obtained even if the operation of the air conditioner is stopped for the air conditioner cut-off time.

[0006] That is, there is room for further improvement in controlling the accessory load of the vehicle so as to satisfy the requirement of power performance during running.

Means for Solving the Problems

[0007] The vehicle of the present invention performs auxiliary equipment shutdown in accordance with vehicle speed, altitude, and accelerator opening while driving, stopping vehicle auxiliary equipment driven by an internal combustion engine that serves as the power source of the vehicle, and performs auxiliary equipment shutdown release in accordance with vehicle speed while the auxiliary equipment shutdown is being performed, and during the execution of the auxiliary equipment shutdown, the auxiliary equipment shutdown is released if the amount of increase in vehicle speed from the start of the auxiliary equipment shutdown until a predetermined first predetermined time has elapsed is equal to or greater than a predetermined first speed threshold. [Effects of the Invention]

[0008] The vehicle of the present invention can achieve a more precise balance between power performance and the performance of vehicle auxiliary equipment. [Brief explanation of the drawing]

[0009] [Figure 1] A schematic diagram illustrating the general system configuration of a vehicle to which the present invention is applied. [Figure 2] A flowchart showing the control flow when auxiliary equipment is shut down. [Figure 3] A flowchart showing the control flow when auxiliary equipment deactivation is performed. [Modes for carrying out the invention]

[0010] Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings. Figure 1 is a schematic diagram illustrating the system configuration of a vehicle to which the present invention is applied.

[0011] Internal combustion engine 1 is, for example, a multi-cylinder spark-ignition gasoline engine, which is installed in vehicles such as automobiles.

[0012] The internal combustion engine 1, for example, transmits the rotation of a crankshaft (not shown) as driving force to the vehicle's drive wheels and is controlled by a control unit 6, which will be described later. The internal combustion engine 1 also serves as the power source for the vehicle and drives an alternator (ALT) 2 that generates electricity for charging an on-board battery (not shown), an air conditioner (A / C) compressor 3, etc. The alternator 2 and compressor 3 are considered vehicle auxiliary equipment. The alternator 2 receives rotation from the internal combustion engine 1 via a belt 4. The compressor 3 receives rotation from the internal combustion engine 1 via a belt 5.

[0013] When the internal combustion engine 1 drives auxiliary components such as the alternator 2 and compressor 3, an auxiliary load is applied, and the load increases accordingly.

[0014] The control unit 6 is a well-known digital computer equipped with a CPU, ROM, RAM, and an input / output interface. The control unit 6 receives detection signals from various sensors, such as a vehicle speed sensor 7 for detecting the vehicle's speed, an atmospheric pressure sensor 8 for detecting atmospheric pressure, and an accelerator pedal position sensor 9 for detecting the amount the accelerator pedal (not shown) is pressed.

[0015] The vehicle speed sensor 7 corresponds to the vehicle speed detection unit and is capable of detecting the speed (vehicle speed) of a moving vehicle.

[0016] The atmospheric pressure sensor 8 corresponds to the altitude detection unit and is capable of detecting the atmospheric pressure around a moving vehicle. The control unit 6 can calculate the altitude of the moving vehicle from the value detected by the atmospheric pressure sensor 8.

[0017] The accelerator pedal position sensor 9 corresponds to the accelerator pedal position detection unit and is capable of detecting the accelerator pedal position of the vehicle.

[0018] Here, the air density of the air supplied to the internal combustion engine 1 decreases as the altitude increases. For example, when the vehicle is running on a highland with a high altitude, the relative amount of air introduced into the internal combustion engine 1 decreases due to the low air density, and the output torque of the internal combustion engine 1 also decreases relatively.

[0019] Therefore, the vehicle of the present embodiment controls the auxiliary load of the vehicle so as to ensure the power performance even when the road conditions change and the power performance becomes severe during running according to the vehicle speed, altitude, and accelerator opening degree.

[0020] That is, when a predetermined auxiliary machine stop condition is satisfied according to the vehicle speed, altitude, and accelerator opening degree during running, the vehicle performs an auxiliary machine stop to stop the alternator 2 and the compressor 3 which are vehicle auxiliary machines. Also, when a predetermined auxiliary machine stop release condition is satisfied according to the vehicle speed during the execution of the auxiliary machine stop, the vehicle performs an auxiliary machine stop release to release the auxiliary machine stop and resume the operation of the alternator 2 and the compressor 3.

[0021] The vehicle releases the auxiliary machine stop when the auxiliary machine stop release condition is satisfied during the execution of the auxiliary machine stop. That is, during the execution of the auxiliary machine stop, the vehicle releases the auxiliary machine stop when the increase amount of the vehicle speed from the start of the auxiliary machine stop until a preset predetermined first predetermined time elapses is equal to or more than a predetermined first predetermined amount which is a predetermined first speed threshold value.

[0022] When the increase amount of the vehicle speed from the start of the auxiliary machine stop until the first predetermined time elapses is less than the first predetermined amount, the vehicle continues the auxiliary machine stop.

[0023] When the auxiliary machine stop is continued when the first predetermined time has elapsed since the start of the auxiliary machine stop, the vehicle releases the auxiliary machine stop when the increase amount of the vehicle speed from the start of the auxiliary machine stop until a preset predetermined second predetermined time which is longer than the first predetermined time elapses is equal to or more than a predetermined second predetermined amount which is a predetermined second speed threshold value. The second predetermined amount is a value larger than the first predetermined amount.

[0024] If the vehicle speed increases by less than the second predetermined amount during the second predetermined time period after the auxiliary equipment is shut off, the auxiliary equipment will remain shut off.

[0025] Then, if the auxiliary equipment remains shut off after a second predetermined time has elapsed since the auxiliary equipment was shut off, the vehicle will release the auxiliary equipment when the elapsed time since the auxiliary equipment was shut off reaches a predetermined upper limit time, or when the vehicle speed reaches a predetermined upper limit speed.

[0026] More specifically, the control unit 6, acting as the control unit, controls the drive of the vehicle's auxiliary equipment, as shown in Figures 2 and 3. Figure 2 is a flowchart showing the control flow when the auxiliary equipment is stopped. Figure 3 is a flowchart showing the control flow when the auxiliary equipment is released.

[0027] Figure 2 illustrates the control flow when auxiliary equipment is shut down.

[0028] Step S1 determines whether the vehicle speed is below a predetermined speed (for example, 30 km / h). If it is determined in Step S1 that the vehicle speed is below the predetermined speed, the process proceeds to Step S2. If it is determined in Step S1 that the vehicle speed is faster (greater) than the predetermined speed, the routine is terminated.

[0029] Step S2 determines whether the current altitude is above a predetermined altitude (for example, 2000m). If it is determined in Step S2 that the altitude is above the predetermined altitude, the process proceeds to Step S3. If it is determined in Step S2 that the altitude is below the predetermined altitude, the process proceeds to Step S6. In other words, Step S2 determines whether the vehicle is at high altitude or low altitude.

[0030] In step S3, it is determined whether the accelerator opening is equal to or greater than a preset first accelerator opening. If it is determined in step S3 that the accelerator opening is equal to or greater than the first accelerator opening, the process proceeds to step S4. If it is determined in step S3 that the accelerator opening is less than the first accelerator opening, the process proceeds to step S5.

[0031] In step S4, alternator 2 and compressor 3 are stopped. That is, in step S4, if alternator 2 and compressor 3 are operating, alternator 2 and compressor 3 are stopped.

[0032] The conditions for stopping the vehicle's auxiliary equipment in step S4 are equivalent to the conditions for stopping the auxiliary equipment, namely, the vehicle speed is below a predetermined speed, the altitude is above a predetermined altitude, and the accelerator opening is above the first accelerator opening.

[0033] In step S5, alternator 2 and compressor 3 are not stopped. That is, in step S5, if alternator 2 and compressor 3 are operating, they continue to operate without being stopped.

[0034] The predetermined speed in step S1 and the first accelerator opening in step S3 are set to allow for the determination of whether or not there is a possibility that the vehicle's power performance may be insufficient when traveling at high altitudes.

[0035] Here, the state in which the vehicle's auxiliary equipment is stopped after proceeding through steps S2, S3, and S4 is defined as the first stopping state. The first stopping state is a state in which, at a high altitude, the vehicle's auxiliary equipment load is stopped so that the vehicle is determined to be traveling uphill based on the vehicle speed and accelerator opening, and power performance is ensured.

[0036] In step S6, it is determined whether the accelerator opening is equal to or greater than a preset second accelerator opening. If it is determined in step S6 that the accelerator opening is equal to or greater than the second accelerator opening, the process proceeds to step S7. If it is determined in step S6 that the accelerator opening is less than the first accelerator opening, the process proceeds to step S8.

[0037] In step S7, alternator 2 and compressor 3 are stopped. That is, in step S7, if alternator 2 and compressor 3 are operating, alternator 2 and compressor 3 are stopped.

[0038] The conditions under which the vehicle's auxiliary equipment stops in step S7 are equivalent to the conditions for stopping the auxiliary equipment, namely, the vehicle speed is below a predetermined speed, the altitude is below a predetermined altitude, and the accelerator opening is at or above the second accelerator opening.

[0039] In step S8, alternator 2 and compressor 3 are not stopped. That is, in step S8, if alternator 2 and compressor 3 are operating, they continue to operate without being stopped.

[0040] The predetermined speed in step S1 and the second accelerator opening in step S6 are set to allow for the determination of whether or not there is a possibility that the vehicle's power performance may be insufficient when traveling on low ground.

[0041] Here, the state in which the vehicle's auxiliary equipment is stopped after proceeding through steps S2, S6, and S7 is defined as the second stopping state. The second stopping state is a state in which, at a low altitude, the vehicle's auxiliary equipment load is stopped so that the vehicle is determined to be traveling uphill based on the vehicle speed and accelerator opening, and power performance is ensured.

[0042] Note that the first and second accelerator openings are values ​​that can be set appropriately according to the vehicle specifications, etc. Therefore, depending on the specifications, the first accelerator opening may be greater than the second accelerator opening, the first accelerator opening may be less than the second accelerator opening, or the first accelerator opening may be equal to the second accelerator opening.

[0043] Next, we will explain the control flow when the auxiliary equipment stop is released using Figure 3.

[0044] In step S11, it is determined whether or not the system is in the first stop state. If it is determined in step S11 that the system is in the first stop state, the process proceeds to step S12. If it is determined in step S11 that the system is not in the first stop state, the process proceeds to step S17.

[0045] In step S12, it is determined whether the increase in vehicle speed from the time the vehicle enters the first stop state until the first predetermined time has elapsed is equal to or greater than a first predetermined amount. If it is determined in step S12 that the change in vehicle speed is equal to or greater than the first predetermined amount, the process proceeds to step S13. If it is determined in step S12 that the change in vehicle speed is less than the first predetermined amount, the process proceeds to step S14.

[0046] In step S13, the stop state of alternator 2 and compressor 3 is released. In other words, in step S13, the first stop state is released, and the operation of alternator 2 and compressor 3 is enabled.

[0047] In step S14, it is determined whether the increase in vehicle speed from the time the vehicle enters the first stop state until the second predetermined time has elapsed is equal to or greater than the second predetermined amount. If it is determined in step S14 that the change in vehicle speed is equal to or greater than the second predetermined amount, the process proceeds to step S15. If it is determined in step S14 that the change in vehicle speed is less than the second predetermined amount, the process proceeds to step S16.

[0048] In step S15, the stop state of the alternator 2 and compressor 3 is released. In other words, in step S15, the first stop state is released, and the alternator 2 and compressor 3 are made operational again.

[0049] In step S16, the stopping of alternator 2 and compressor 3 is released according to time conditions or vehicle speed conditions, respectively. In step S16, if the elapsed time since entering the first stopped state exceeds the first ALT upper limit time, which corresponds to the upper limit time, or if the vehicle speed exceeds the first ALT upper limit speed, which corresponds to the upper limit speed, the stopping of alternator 2 is released. In step S16, if the elapsed time since entering the first stopped state exceeds the first A / C upper limit time, which corresponds to the upper limit time, or if the vehicle speed exceeds the first A / C upper limit speed, which corresponds to the upper limit speed, the stopping of compressor 3 is released.

[0050] Then, in step S16, if the elapsed time since entering the first stop state is not equal to or greater than the first ALT upper limit time, which corresponds to the upper limit time, and the vehicle speed is not equal to or greater than the first ALT upper limit speed, which corresponds to the upper limit speed, the alternator 2 is not released from the stop. In step S16, if the elapsed time since entering the first stop state is not equal to or greater than the first A / C upper limit time, which corresponds to the upper limit time, and the vehicle speed is not equal to or greater than the first A / C upper limit speed, which corresponds to the upper limit speed, the compressor 3 is not released from the stop.

[0051] Here, the release of the vehicle's auxiliary equipment, which is performed by proceeding through steps S11, S12, and S13, is carried out because, after a first predetermined time has elapsed from the first stopped state, the vehicle speed has increased to the point where the vehicle's power performance is satisfied by the stopping of the auxiliary equipment due to the first stopped state. The conditions for proceeding through steps S11, S12, and S13 correspond to the conditions for releasing the auxiliary equipment.

[0052] The release of the vehicle's auxiliary equipment, which is performed by proceeding through steps S11, S12, S14, and S15, is carried out because, after a second predetermined time has elapsed from the first stopped state, the vehicle speed has increased to the point where the vehicle's power performance is satisfied by the stopping of the vehicle's auxiliary equipment due to the first stopped state. The conditions for proceeding through steps S11, S12, S14, and S15 correspond to the conditions for releasing the auxiliary equipment.

[0053] Furthermore, the release of the vehicle's auxiliary equipment, which occurs as a result of proceeding through steps S11, S12, S14, and S16, is set to ensure a minimum level of power supply performance and air conditioning performance, taking into account the decrease in power supply performance due to the shutdown of alternator 2 and the decrease in air conditioning performance due to the shutdown of compressor 3. The conditions for shutting down the vehicle's auxiliary equipment in steps S11, S12, S14, and S16 are equivalent to the conditions for releasing the auxiliary equipment shutdown.

[0054] Step S17 determines whether the system is in the second stop state. If it is determined in step S17 that the system is in the second stop state, the process proceeds to step S18. If it is determined in step S17 that the system is not in the second stop state, the current routine is terminated.

[0055] In step S18, it is determined whether the amount of increase in vehicle speed from the time the vehicle enters the second stop state until a predetermined third predetermined time has elapsed is equal to or greater than a predetermined third predetermined amount. If it is determined in step S12 that the amount of change in vehicle speed is equal to or greater than the predetermined third predetermined amount, the process proceeds to step S19. If it is determined in step S18 that the amount of change in vehicle speed is less than the predetermined third predetermined amount, the process proceeds to step S20.

[0056] In step S19, the stop state of alternator 2 and compressor 3 is released. That is, in step S13, the second stop state is released, and the operation of alternator 2 and compressor 3 is enabled.

[0057] In step S20, it is determined whether the amount of increase in vehicle speed from the time the vehicle enters the second stop state until a predetermined fourth predetermined time has elapsed is equal to or greater than a predetermined fourth predetermined amount. The fourth predetermined amount is a value greater than the third predetermined amount. If it is determined in step S20 that the amount of change in vehicle speed is equal to or greater than the fourth predetermined amount, the process proceeds to step S21. If it is determined in step S20 that the amount of change in vehicle speed is less than the fourth predetermined amount, the process proceeds to step S22.

[0058] In step S21, the stop state of alternator 2 and compressor 3 is released. In other words, in step S21, the second stop state is released, and the operation of alternator 2 and compressor 3 is enabled.

[0059] In step S22, the stopping of alternator 2 and compressor 3 is released according to time conditions or vehicle speed conditions, respectively. In step S22, if the elapsed time since entering the second stopping state exceeds the second ALT upper limit time, which corresponds to the upper limit time, or if the vehicle speed exceeds the second ALT upper limit speed, which corresponds to the upper limit speed, the stopping of alternator 2 is released. In step S22, if the elapsed time since entering the second stopping state exceeds the second A / C upper limit time, which corresponds to the upper limit time, or if the vehicle speed exceeds the second A / C upper limit speed, which corresponds to the upper limit speed, the stopping of compressor 3 is released.

[0060] Then, in step S22, if the elapsed time since entering the second stop state is not equal to or greater than the second ALT upper limit time, which corresponds to the upper limit time, and the vehicle speed is not equal to or greater than the second ALT upper limit speed, which corresponds to the upper limit speed, the alternator 2 is not released from the stop. In step S22, if the elapsed time since entering the second stop state is not equal to or greater than the second A / C upper limit time, which corresponds to the upper limit time, and the vehicle speed is not equal to or greater than the second A / C upper limit speed, which corresponds to the upper limit speed, the compressor 3 is not released from the stop.

[0061] Here, the release of the vehicle's auxiliary equipment, which is performed by proceeding through steps S11, S17, S18, and S19, is carried out because, after a third predetermined time has elapsed from the second stop state, the vehicle speed has increased to the point where the vehicle's power performance is satisfied by the stopping of the vehicle's auxiliary equipment due to the second stop state. The conditions for proceeding through steps S11, S17, S18, and S19 correspond to the conditions for releasing the auxiliary equipment.

[0062] The release of the vehicle's auxiliary equipment, which is performed by proceeding through steps S11, S17, S18, S20, and S21, is carried out because, after a fourth predetermined time has elapsed from the second stop state, the vehicle speed has increased to the point where the vehicle's power performance is satisfied by the stopping of the vehicle's auxiliary equipment due to the second stop state. The conditions for proceeding through steps S11, S17, S18, S20, and S21 correspond to the conditions for releasing the auxiliary equipment.

[0063] Furthermore, the release of the vehicle's auxiliary equipment, which occurs as a result of proceeding through steps S11, S17, S18, S20, and S22, is set to ensure a minimum level of power supply performance and air conditioning performance, taking into account the decrease in power supply performance due to the shutdown of alternator 2 and the decrease in air conditioning performance due to the shutdown of compressor 3. The conditions for shutting down the vehicle's auxiliary equipment in steps S11, S17, S18, S20, and S22 are equivalent to the conditions for releasing the auxiliary equipment shutdown.

[0064] The first predetermined time, second predetermined time, third predetermined time, fourth predetermined time, first predetermined amount, second predetermined amount, third predetermined amount, fourth predetermined amount, first ALT upper limit time, first ALT upper limit speed, first A / C upper limit time, and first A / C upper limit speed are values ​​that can be set appropriately according to the vehicle specifications, etc. However, because the air density at high altitudes is lower than at low altitudes, the vehicle will start moving relatively slower (sluggisher) at high altitudes. For this reason, the third predetermined time will be a larger (longer) value than the first predetermined time, and the fourth predetermined time will be a larger (longer) value than the second predetermined time.

[0065] As explained above, in this embodiment, the vehicle's auxiliary equipment is stopped (first stopped state) when the altitude is high and power performance is required, and the stopped vehicle equipment (first state) is released when power performance is required even at high altitudes. Therefore, in this embodiment, when the altitude, road conditions, road gradient, etc. are difficult to ensure power performance, the vehicle's auxiliary equipment, alternator 2 and compressor 3, is stopped to prioritize power performance, and when the road gradient, etc., are not difficult to ensure power performance, the vehicle's auxiliary equipment, alternator 2 and compressor 3, is released to prioritize the performance of the auxiliary vehicle equipment.

[0066] In this embodiment, if the vehicle speed increases by less than a first predetermined amount from the time it has been stopped until a first predetermined time has elapsed, the vehicle determines that there is insufficient torque in the internal combustion engine 1 and continues to remain stopped. Therefore, if the vehicle speed increases by only a small amount even after the auxiliary engines are shut off, the vehicle determines that there is insufficient torque in the internal combustion engine 1 and continues to shut off the auxiliary engines, thereby ensuring power performance.

[0067] In this embodiment, if the auxiliary equipment remains deactivated after a first predetermined time has elapsed since the vehicle entered the first stop state, the first stop state is released if the increase in vehicle speed from the first stop state to the second predetermined time has elapsed is equal to or greater than a second predetermined amount. Therefore, if the auxiliary equipment remains deactivated, the vehicle can ensure power performance by checking the change in vehicle speed after a certain period of time has elapsed, taking into account the possibility of changes in road conditions.

[0068] Although specific embodiments of the present invention have been described above, the present invention is not limited to the embodiments described above, and various modifications are possible without departing from the spirit of the invention.

[0069] For example, when releasing the auxiliary equipment deactivation, the determination of the change in vehicle speed may be performed only once, depending on the vehicle specifications. That is, for example, in the embodiment described above, if the determination in step S12 is No, the process may proceed to step S16, and if the determination in step S18 is No, the process may proceed to step S22.

[0070] For example, the conditions for stopping alternator 2 and compressor 3 may be set individually for alternator 2 and compressor 3. That is, for example, the conditions in steps S3 and S6 may be set separately for alternator 2 and compressor 3.

[0071] For example, the conditions for releasing the shutdown of alternator 2 and compressor 3 may be set individually for alternator 2 and compressor 3. That is, for example, the conditions in steps S13, S14, S18, and S20 may be set separately for alternator 2 and compressor 3.

[0072] For example, when releasing the auxiliary engine deactivation, even if the increase in vehicle speed is less than a predetermined amount (1st to 4th predetermined amounts), if it is determined that the slope of the road during the ascent is gentle (for example, the slope angle is less than or equal to a predetermined angle) or that the altitude is low (for example, below a predetermined altitude), the auxiliary engine deactivation may be released at that point. In other words, for example, if it is determined that the slope of the road is gentle or the altitude is low while moving from step S12 to step S14, or from step S14 to step S16, or from step S18 to step S20, or from step S20 to step S22, the auxiliary engine deactivation may be released at that point.

[0073] The above-described embodiment relates to a vehicle control method and a vehicle control device. [Explanation of symbols]

[0074] 1…Internal combustion engine 2... Alternator 3…Compressor 4... Belt 5... Belt 6…Control Unit 7… Vehicle speed sensor 8…Atmospheric pressure sensor 9…Accelerator position sensor

Claims

1. While driving, the vehicle performs an auxiliary equipment shutdown, which stops the vehicle's auxiliary equipment that is powered by the internal combustion engine, in accordance with the vehicle speed, altitude, and accelerator opening, and while the auxiliary equipment shutdown is in effect, the auxiliary equipment shutdown is released in accordance with the vehicle speed, thereby activating the vehicle's auxiliary equipment. A vehicle control method characterized in that, while the auxiliary equipment is being stopped, the auxiliary equipment stop is released if the amount of increase in vehicle speed from the start of the auxiliary equipment stop until a predetermined first predetermined time has elapsed is equal to or greater than a predetermined first speed threshold.

2. The vehicle control method according to claim 1, characterized in that if the amount of increase in vehicle speed from the start of the auxiliary equipment shutdown until the first predetermined time has elapsed is less than the first speed threshold, the auxiliary equipment shutdown is continued.

3. If the above auxiliary equipment shutdown continues after the above first predetermined time has elapsed since the above auxiliary equipment shutdown began, The vehicle control method according to claim 2, characterized in that the auxiliary equipment stop is released when the amount of increase in vehicle speed after a second predetermined time has elapsed since the start of the auxiliary equipment stop is equal to or greater than a predetermined second speed threshold.

4. The vehicle control method according to claim 3, characterized in that if the amount of increase in vehicle speed from the start of the auxiliary equipment shutdown until the second predetermined time has elapsed is less than the second speed threshold, the auxiliary equipment shutdown is continued.

5. If the auxiliary equipment shutdown continues after the second predetermined time has elapsed since the shutdown of the auxiliary equipment began, The vehicle control method according to claim 4, characterized in that the auxiliary equipment stop is released when the elapsed time since the start of the auxiliary equipment stop reaches a predetermined upper limit time, or when the vehicle speed reaches a predetermined upper limit speed.

6. The vehicle control method according to any one of claims 1 to 5, characterized in that the above-mentioned vehicle auxiliary equipment is an alternator and a compressor for an on-board air conditioner.

7. The vehicle has a control unit that performs auxiliary equipment shutdown, which stops the vehicle's auxiliary equipment that is powered by the internal combustion engine, in accordance with the vehicle speed, altitude, and accelerator opening while the vehicle is in motion, and that performs auxiliary equipment shutdown release, which releases the auxiliary equipment shutdown in accordance with the vehicle speed and activates the vehicle's auxiliary equipment. The control unit described above is a vehicle control device characterized in that, while the auxiliary equipment is being stopped, the amount of increase in vehicle speed after a predetermined first predetermined time has elapsed since the start of the auxiliary equipment stop is equal to or greater than a predetermined first speed threshold.

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