JPS61155629A - Vehicle traveling control device - Google Patents

Abstract

PURPOSE:To output optimum evaluation for optimum traveling as data by displaying the data during vehicle traveling by standardizing to correct with a weight correcting coefficient according to loading weight of the vehicle. CONSTITUTION:Input signals from an engine rotation sensor 7 and a car speed sensor 9 are input in an electronic control device 11. And the electronic control device 11 controls so that optimum engine running condition can be secured according to the load condition of vehicle. At the same time, it also displays various control data on vehicle traveling such as average fuel consumption (l/km), instantaneous fuel consumption (l/km), average starting acceleration (km/H.S) on a display device. The control data to be displayed are standartized by correcting arithmetic calculation with weight correcting coefficent value corresponding to the loading weight stored in a memory by the electronic control device. Therefore, the data necessary for traveling control becomes more correct by the loading weight, and can be evaluated correctly.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a traffic management device that outputs and displays data necessary for vehicle traffic management.

(Prior art) In vehicles intended for transporting cargo, there is a difference of more than twice the total vehicle weight between planted and empty cargo, and for this reason,
product! ! The engine load changes depending on the weight, and the engine speed and fuel consumption rate also change significantly.

On the other hand, the optimal engine operating state is ensured according to the vehicle's driving conditions, such as the engine load and engine speed when the vehicle is on the road, and the fuel efficiency, optimal gear, average accelerator opening, etc. are managed during vehicle operation. Something that outputs and displays it as data has been developed.

(Problem to be solved by the invention) However, in general, the management data for ensuring the above-mentioned optimal engine operating condition is obtained based on the load at constant volume, and changes from time to time during the course of operation. It does not correspond to the size of the load, that is, even in the case of empty cargo, the same operation management as for constant volume is performed, so it is not possible to perform optimal evaluation for optimal operation. There was a problem that the evaluation was unfair and optimal management was not possible.

The present invention is an attempt to improve such conventional problems, and its purpose is to correct the data necessary for operation management based on the loaded weight and output it as data that allows optimal evaluation for optimal operation. The objective is to provide an operation management device that can.

(Means for Solving the Problems) The present invention provides an operation control device that displays data during vehicle operation, which includes a loaded weight sensor that detects the loaded weight of the vehicle, and a loaded weight sensor that detects the loaded weight of the vehicle. It has a memory for storing weight correction coefficient values of data during operation, and is configured to standardize and correct the data with the weight correction coefficient value according to the loaded weight of the vehicle and display it.

(Operation) Input signals from the engine rotation sensor, vehicle speed sensor, etc. are input to the electronic control device, and the electronic control device performs control so that the optimum engine operating state can be ensured according to the load state of the vehicle. At the same time, the electronic control unit outputs and displays management data related to vehicle operation, such as average fuel consumption, instantaneous fuel consumption, and average starting acceleration. This is a standardization correction calculation performed using the corresponding heavy water and correction coefficient Inu.

(Example) FIG. 1 is a block diagram showing one embodiment of the present invention.

In the figure, l is an engine, to which a fuel injection pump 2 and an electronic governor 3 are attached. 4 is a flow meter that measures the flow rate of fuel supplied from the fuel tank 5 to the engine l. 6 is a clutch, and a rotation sensor 7 for measuring the rotation speed of the engine l is attached to a part thereof. 8 is a parallel gear type transmission provided adjacent to the clutch 6, and a vehicle speed sensor 9 is provided on the output shaft of this. 10 is a transmission actuator, which will be described later. In addition to changing gears of the transmission 8 based on a command from the device 11, a position signal P is sent to inform the current gear stage.
Generates O5. 1! The slave control device 11 includes a central processing unit (CPU) 11a, a RAM 1b for temporarily storing controls and data, and a table used for controlling the transmission 8t, in addition to tables necessary for operation control. It has various tables such as a table showing the weight correction coefficient value of data during vehicle operation for the product illumination weight used in the vehicle operation management system, and a ROM 1lc that stores control programs. In addition to performing various calculations related to the operation control device according to the present invention based on signals input from the controller, the controller also performs various calculations related to vehicle operation, and issues necessary command signals to each part of the vehicle. This is to ensure smooth operation of vehicles. 12
13 is a keyboard for inputting signals and data to the electronic control bag al11; 13 is a display device for displaying various data and commands; the keyboard 12 and the display device W13 are arranged in the driver's cab of the vehicle 14. A weight sensor 15 is provided on the vehicle 14 and detects the weight of the load loaded on the platform. Reference numeral 16 denotes an accelerator pedal. Although not shown in the figure, a potentiometer is connected to this pedal, and an accelerator opening signal corresponding to the amount of depression of the accelerator pedal 16 is sent to the electronic control device 1'l. The control device 11 receives the accelerator opening signal and sends a fuel supply command to the fuel injection pump 2 according to the load condition of the vehicle, but a detailed explanation is omitted. 17 is an odometer that totals the distance traveled by the vehicle. be.

By the way, among the various data output by the operation control device, the data that is considered to be affected by the loaded weight are: actual average loaded weight (kg/H or kg/km) actual average fuel consumption (IL/km) actual instantaneous fuel efficiency (1/+s) Actual average starting acceleration (kII/H-8) Actual average accelerator opening (%/H).

Of these, for example, if we look at the average fuel consumption, conventionally the following (1
) is calculated using the formula.

...ΦFist - (1) On the other hand, when the loading weight is taken into account, the following (2)
It becomes like the expression.

Weight-standardized average fuel consumption ρ′=Tokli*Dli/SatVi
1-1 ・-1
NL/km*ton) a m (2) In the above equation, Dli is the fuel consumption per unit time obtained from the flow meter 4! #C1/H), Vi is the traveling distance per unit time (km/ ) I obtained from the vehicle speed sensor 9
), n is the number of samplings, kli is the weight correction count value, and Σ is the integration of data for each sampling.

As can be seen from Equation (2), when calculating the weight-standardized average fuel efficiency in the present invention, the above-mentioned Equation (2) is calculated by multiplying the conventional equation (1) for calculating average fuel efficiency by 1 weight correction coefficient value (kli). ) formula is used. This '1 quantity correction coefficient value (k l
i) is retrieved from the weight correction coefficient value table stored in the ROMIc in the electronic control unit ll. FIG. 2 shows an example of the contents of the weight correction coefficient value table.

Also, as can be seen from equation (2), 1 ton of luggage is 1
You can see how much palindromic fuel was consumed to carry the car for km.

In addition, other data such as average loaded weight, instantaneous fuel consumption,
Data regarding average starting acceleration and average accelerator opening are also subjected to standardization correction according to the vehicle's loaded weight in the same manner as the weight-standardized average fuel consumption data.

Next, regarding the effect of standardization correction calculation on average fuel consumption,
This will be explained using the flowchart shown in FIG.

In step 1, the electronic control device 11 takes in the loaded weight m of the vehicle from the single load sensor 15, and stores it in a predetermined position in the RAM 11b. In step 2, RAMI
Using the loaded weight m, the IT correction coefficient value kli is retrieved from the weight correction coefficient value table regarding the average fuel consumption in lb, and is stored in a predetermined position in the RAM 11b. In step 3, the fuel consumption amount Ql (visual) is inputted from the flow meter 4 and stored at a predetermined location in the RAM 1lb. In step 4, the difference between the Qi and the previously sampled fuel consumption ff1Qi-x(,Q) is multiplied by a proportionality constant k that depends on the sampling period, which is calculated as the fuel consumption per unit time (IL/H). is calculated, RAMI
lb is stored at a predetermined location. In step 5, a value Pi is calculated by integrating the weight correction coefficient value kli and the value obtained by multiplying the fuel consumption per unit time Dli, and RA
Store it at a predetermined location in MI Ib. In step, the vehicle speed Vi is captured by the vehicle speed sensor 9, and the RAMI
lb is stored at a predetermined location. In step 7,
A value Ri obtained by integrating the vehicle speed Vi is calculated and stored in a predetermined position in the RAM 1lb. In step 8, by dividing Pi obtained in step 5 by Ri obtained in step 7, weight-standardized average fuel consumption ρ' can be obtained.

Note that such a process of creating traffic management data is continuously performed to update the data stored in the RAM Ib and to accumulate data as necessary. Thereafter, when the driver or the operation manager inputs a data call command from the keyboard 12, the display device 'a13 displays data corresponding to the call command from among the various data stored in the RAMII. FIG. 4 shows an example of output of average fuel consumption data. In this example, the CRT
Although the information is displayed on a display device using a computer, it may be output and displayed on a printer if necessary.

In the above embodiment, information on the loaded weight is automatically input to the operation control device from the weight sensor 15 attached to the vehicle. It may be input manually.

Also, by defining the fuel cost C3t (yen/month),
Operating cost index of the day Pc = Cst/p (yen/
km) can also be output.

(Effect of the invention) As described in detail above, according to the present invention.

Since the data during vehicle operation is standardized and corrected using the weight correction coefficient value corresponding to the loaded weight stored in the memory, the data required for operation management becomes more accurate due to the loaded weight. The necessary data can be accurately evaluated.

[Brief explanation of the drawing]

FIG. 1 is a block diagram of the traffic management device according to the present invention, and FIG.
3 is a diagram showing an example of an IT correction coefficient table, FIG. 3 is a flowchart 1, and FIG. 4 is a diagram showing an example of a display. 1...Engine, 11...Electronic control unit, 11a@
-Central processing unit, flb--RAM, 11c*・R
OM, 12--+- board, 13-- display device,
14-・Vehicle. Patent applicant: IsuC Automobile Co., Ltd. Representative: Patent attorney Minoru Tsuji No. 1
Figure Borre 7゛ 70-meter Figure 2 Figure 4 Figure 3

Claims (1)

[Claims] In the operation management device that displays data during vehicle operation,
It has a loaded weight sensor that detects the loaded weight of the vehicle, and a memory that stores a weight correction coefficient value of data during vehicle operation with respect to the loaded weight detected by the loaded weight sensor, and the data is adjusted according to the loaded weight of the vehicle. A vehicle operation management device characterized in that a vehicle operation management device is characterized in that it standardizes and corrects and displays a weight correction count value.