JP2011038929A - Testing apparatus for hybrid vehicle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a testing apparatus for a hybrid vehicle in an environment in which each single body of an engine, a motor, and a coupling device is dispersed. <P>SOLUTION: The engine and the motor are connected to each other via the coupling device to be applied with load torque by a dynamo, and a model of an actual vehicle is build in a measurement control part. In the testing apparatus, the measurement control part sets travel information for test at the engine, the motor, and the dynamos. The testing apparatus comprises: an engine single body testing apparatus provided with an engine, a dynamo for applying load torque to the engine, and a measurement control part for the engine; a motor single body testing apparatus provided with a motor, a dynamo for applying load torque to the motor, and a measurement control part for the motor; a coupling device single body testing apparatus provided with both a plurality of dynamos for applying load torque and drive torque for a coupling device and a coupling arm of the coupling device and a measurement control part for coupling devices; and an integrated measurement control part in which the model of the actual vehicle is built for communicating with the measurement control part in each single body testing apparatus and providing travel information for test for the measurement control part. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  In the present invention, an engine and a motor are connected via a connecting device to which a load torque is applied by a dynamo, and the engine, the motor, and the dynamo have travel information for a test from a measurement control unit incorporating a model of an actual vehicle. The present invention relates to a test apparatus for hybrid vehicles to be set, and particularly for performing a test in which a motor and an engine are combined without using a complete vehicle.

  FIG. 5 is a functional block diagram illustrating a configuration example of a conventional hybrid vehicle test apparatus disclosed in Non-Patent Document 1 as “VRS as a hybrid vehicle development support facility”. Here, VRS is Virtual and Real Simulator.

  The Real part of the VRS is a power train composed of an engine and a motor, and is composed of the same actual machine parts that are mounted on an actual hybrid vehicle. The Virtual part is a measurement control unit having an actual vehicle model configured by software, and travel information acquired from the model by the measurement control unit is set in the power train, and a response from the power train is measured.

  In FIG. 5, the power train 10 is the same actual components that are mounted on an actual hybrid vehicle, and includes an engine 11, a coupling device 13, a motor 14, an engine control unit 12, a motor control unit 15, and a travel control unit 16. Composed. The coupling device 13 is connected to a dynamo 20 that combines the drive output of the engine 11 and the drive output of the motor 14 to give a load torque.

  The travel control unit 16 sets the output torque of the engine 11 and the motor 14 based on the control information such as the accelerator opening, the brake request, and the remaining battery level set from the measurement control unit 40, and the engine control unit 12, the motor Output to the control unit 15. The engine control unit 12 and the motor control unit 15 respectively control the engine 11 and the motor 14 to generate the output torque requested from the travel control unit 16.

  The dynamo 20 is a generator that is driven by the output of the power train 10, and applies a load torque corresponding to the traveling state to the power train 10. The dynamo control unit 30 controls the dynamo 20 to generate a load torque requested from the measurement control unit 40.

  The measurement control unit 40 incorporates an actual vehicle model 40a that simulates the dynamic characteristics of the vehicle, and calculates the accelerator opening, the brake request, the remaining battery level, the load torque, etc. in real time according to the set test scenario (running conditions). And output to the traveling control unit 16 and the dynamo control unit 30.

  The operation / management unit 50 sets various test parameters in the measurement control unit 40, monitors the operating state of the power train 10, collects and stores test data, and the like.

  As described above, the VRS bench according to the prior art does not require a high-accuracy model of the power train portion necessary for the simulation evaluation by performing a test using the actual power train 10, and a completed vehicle can be obtained. Previous evaluation is possible.

  FIG. 6 is a functional block diagram showing a configuration example of the engine unit test apparatus disclosed in Patent Document 1. As shown in FIG. A test apparatus including an engine to be tested, a dynamo for applying load torque, and a controller is shown.

Atsushi Kojima and two others, “VRS as a hybrid vehicle development support facility”, TOYOTA Technical Review Vol.54 No.1 Aug.2005, p. 76-81

JP 2002-48683 A

The configuration of the conventional test apparatus has the following problems.
(1) In the prior art shown in FIG. 5, since the actual power train to be tested is used, the test cannot be performed unless the entire power train is completed.

(2) It is necessary to operate the entire power train within the test equipment, and the configuration of the power train varies greatly depending on the vehicle model. It is necessary to prepare a fuel supply, an exhaust gas treatment facility, a motor power source, etc., and the construction cost of the test apparatus becomes high.

(3) On the other hand, there is a problem in the test apparatus using the engine alone or the motor alone as shown in FIG.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a hybrid vehicle testing apparatus that enables a combined test of an engine, a motor, and a coupling device equivalent to the case where a VRS testing device is used in an environment in which each of the engine, motor, and coupling device is dispersed. Is to realize.

In order to achieve such a subject, the present invention has the following configuration.
(1) An engine and a motor are connected via a connecting device to which a load torque is applied by a dynamo, and travel information for a test is set in the engine, the motor, and the dynamo from a measurement control unit incorporating a real vehicle model. In a hybrid vehicle testing device,
An engine unit test apparatus comprising the engine, a dynamo that applies load torque to the engine, and an engine measurement control unit;
A motor unit test apparatus including the motor, a dynamo that applies load torque to the motor, and a motor measurement control unit;
A coupling device unit testing device comprising the coupling device, a plurality of dynamos for applying load torque and driving torque to the coupling arm of the coupling device, and a coupling device measurement control unit;
An integrated measurement control unit with a built-in model of the actual vehicle that communicates with the measurement control unit in each unit test device and gives the measurement control unit travel information for testing,
A test apparatus for a hybrid vehicle comprising:

(2) The hybrid vehicle testing apparatus according to (1), wherein the measurement control unit and the integrated measurement control unit in each unit test apparatus include a clock unit capable of synchronizing time by communication.

(3) The integrated measurement control unit acquires torque and angular velocity data of an engine, a motor, and a coupling device from the measurement control unit in each unit test apparatus, and a load to be generated by a dynamo in each unit test apparatus (1) or (2), wherein torque and driving torque are calculated, and torque and angular velocity are set in a dynamo in each of the unit test devices via a measurement control unit in each of the unit test devices. The test apparatus for hybrid vehicles described in 1.

(4) A generator unit testing apparatus including a generator, a dynamo that gives load torque to the generator, and a generator measurement control unit that communicates with the integrated measurement control unit is provided (1) The test apparatus for hybrid vehicles in any one of thru | or (3).

(5) A battery unit test apparatus including a battery, a charge / discharge tester that charges and discharges the battery, and a battery measurement control unit that communicates with the integrated measurement control unit is provided. (4) The test apparatus for a hybrid vehicle according to any one of (4).

(6) The hybrid vehicle testing apparatus according to any one of (1) to (5), further including a simulator that simulates each of the unit testing apparatuses with software.

(7) The hybrid vehicle testing device according to any one of (1) to (6), wherein the integrated measurement control unit is included in any of the measurement control units in each of the unit test devices.

According to the present invention, the following effects can be expected.
(1) By connecting the engine unit test device, the motor unit test device, and the coupling device unit testing device via a network, a test combining the engine, motor, and coupling device is performed in the same manner as when using the VRS testing device. be able to.

(2) When a combination test is not performed, each test apparatus can be used for a unit test, so that the test equipment can be used effectively.

(3) By changing the type and number of unit test apparatuses to be combined depending on the power train configuration, it is possible to cope with hybrid systems having various configurations.

(4) Even when a part of the constituent elements of the power train is not completed, a test combining the remaining constituent elements can be performed by replacing the part with a simulator. Therefore, the test can be started before the entire power train is completed.

It is a functional block diagram which shows one Example of the hybrid vehicle test apparatus to which this invention is applied. It is a functional block diagram which shows the other Example of the hybrid vehicle test apparatus to which this invention is applied. It is a functional block diagram which shows further another Example of the hybrid vehicle test apparatus to which this invention is applied. It is a functional block diagram which shows further another Example of the hybrid vehicle test apparatus to which this invention is applied. It is a functional block diagram which shows the structural example of the conventional hybrid vehicle test apparatus. It is a functional block diagram which shows the structural example of an engine unit test apparatus.

  Hereinafter, the present invention will be described in detail with reference to the drawings. FIG. 1 is a functional block diagram showing an embodiment of a hybrid vehicle testing apparatus to which the present invention is applied. The same elements as those of the conventional configuration described with reference to FIG.

  The structural feature of the present invention is that the test environment of each of the engine, motor and connecting device constituting the power train is basically the same as that of the conventional unit test device shown in FIG. .

  The engine unit test apparatus 100 includes an engine 11 to be tested, a dynamo 20A connected to the engine output, an engine control unit 12, a dynamo control unit 30A, an engine measurement control unit 40A, and an operation / management unit 50A. Become. The engine measurement control unit 40A has a built-in clock 60A capable of synchronizing time by communication.

  The motor unit test apparatus 200 includes a motor 14 to be tested, a dynamo 20B connected to the motor output, a motor control unit 15, a dynamo control unit 30B, a motor measurement control unit 40B, and an operation / management unit 50B. Become. The motor measurement control unit 40B has a built-in clock 60B capable of synchronizing time by communication.

  The coupling device unit test device 300 includes a coupling device 13 to be tested, a dynamo 20C corresponding to an engine, a dynamo control unit 30C for controlling the dynamo 20C, a dynamo 20D corresponding to a motor, and a control unit for controlling the dynamo 20D. A dynamo control unit 30D, a dynamo 20E for applying load torque, a dynamo control unit 30E for controlling the dynamo 20E, a coupling device measurement control unit 40C, and an operation / management unit 50C. The coupling device measurement control unit 40C has a built-in clock 60C capable of time synchronization through communication.

  The measurement control units 40A, 40B, and 40C of each unit test apparatus are connected to the integrated control unit 400 via a communication network. As the communication network, a high-speed LAN such as Gbit Ethernet (registered trademark) can be used. The integrated control unit 400 also has a built-in clock 401 capable of time synchronization through communication. The integrated control unit 400 is connected to the travel control unit 16 by communication.

  The integrated control unit 400 incorporates an actual vehicle model that simulates the dynamic characteristics of the vehicle, and calculates the accelerator opening, the brake request, and the remaining battery level in real time in accordance with the set test scenario (running conditions). Output to.

  The engine and motor output torque request values calculated by the travel control unit 16 are acquired via communication, and the engine control unit 12 is passed through the engine control unit 40A and the measurement control units 40A and 40B of the motor unit test unit 200. Then, an output torque request value is set in the motor control unit 15.

  At the same time, data such as output torque and angular velocity of the engine, motor, and coupling device measured by each unit test device are acquired from the measurement control units 40A, 40B, and 40C of each unit test device, and the dynamo 20A to The load torque and drive torque to be generated by 20E are calculated and set in each dynamo control unit 30A to 30E through measurement control units 40A, 40B, and 40C of each unit test apparatus.

  The integrated operation / management unit 500 sets various test parameters in the integrated control unit 400, monitors operation states, collects and stores test data, and the like. In addition, it is connected to the operation / management sections 50A, 50B, and 50C of each unit test apparatus through a communication network, sets various test parameters to each unit test apparatus, confirms the operation status of each unit test apparatus, and each unit test apparatus. Collect the data measured in.

  A specific operation in the case where a test combining an engine, a motor, and a coupling device is performed according to such an embodiment will be described. First, the clocks 401, 60A, 60B, and 60C built in the integrated control unit 400 and the measurement control units 40A, 40B, and 40C of each unit test apparatus exchange time information via the communication network to synchronize the time. As a communication procedure (protocol) for exchanging time information, for example, IEEE 1588 Precision Time Protocol can be used.

  During the test, the integrated control unit 400 and the measurement control units 40A, 40B, and 40C of each unit test apparatus synchronize with the clocks 401, 60A, 60B, and 60C, and the dynamo control unit 30A every predetermined control period ΔT. The control value of ˜30E is updated. The control period ΔT is set to a fraction of the control period of the engine control unit 12 and the motor control unit 15 or less. The response times of the dynamos 20A to 20E are assumed to be smaller than the control cycle ΔT.

  When the test is started, the integrated control unit 400 and the measurement control units 40A, 40B, 40C of each unit test apparatus follow the following procedures (1) to (E) for each control cycle ΔT according to the built-in clocks 401, 60A, 60B, 60C. Repeat 6).

  Since the times of the clocks 401, 60A, 60B, and 60C are synchronized, it can be considered that the following operations are performed simultaneously by the integrated control unit 400 and the measurement control units 40A, 40B, and 40C of each unit test apparatus.

(1) The measurement control units 40A, 40B, and 40C of each unit test apparatus are engine outputs and motor outputs measured by the dynamos 20A to 20E, the engine side input of the coupling device 13, the motor side input of the coupling device, The torque and angular velocity of the output shaft are sent to the integrated control unit 400.

(2) The integrated control unit 400 sends the received engine output, motor output torque, and angular velocity to the coupling device measurement control unit 40C of the coupling device unit test device 300. At the same time, the torque and angular velocity of the engine side input of the coupling device are measured by the engine measurement control unit 40A of the engine unit testing apparatus 100, and the torque and angular velocity of the motor side input of the coupling device 13 are measured by the motor of the motor unit testing apparatus 200. The data is sent to the control unit 40B.

(3) The engine measurement control unit 40A of the engine unit test apparatus 100 sets the received engine side input torque and angular velocity of the coupling device in the dynamo control unit 30A, and the dynamo 20A has the same torque and angular velocity as the coupling device 13. Control to rotate.

(4) The motor measurement control unit 40B of the motor unit test apparatus 200 sets the motor-side input torque and angular velocity of the received coupling device in the dynamo control unit 30B, and the dynamo 20B has the same torque and angular velocity as the coupling device 13. Control to rotate.

(5) The coupling device measurement control unit 40C of the coupling device unit test apparatus 300 sets the load torque and angular velocity received in the previous control cycle in the dynamo control unit 30E, and the dynamo 20E rotates at the set torque and angular velocity. Control to do.

  At the same time, the torque and angular velocity of the received engine output are set in the dynamo control unit 30C, and the dynamo 20C is controlled to rotate at the same torque and angular velocity as the engine output, and the received motor output torque and angular velocity are set to the dynamo control unit 30D. And the dynamo 20D is controlled to rotate at the same torque and angular velocity as the motor output.

(6) The integrated control unit 400 inputs the received torque and angular velocity of the output shaft of the coupling device 13 into an actual vehicle model that simulates the dynamic characteristics of the built-in vehicle, calculates the load torque after the control period ΔT, The data is sent to the connection device measurement control unit 40C of the connection device unit test apparatus 300.

  Further, in parallel with the above operation, the integrated control unit 400 sets the accelerator opening, the brake request, the remaining battery level, etc. according to the set test scenario (running condition) for each control cycle of the running control unit 16. Calculate and send to the traveling control unit 16. The traveling control unit 16 calculates output torques of the engine 11 and the motor 14 and returns them to the integrated control unit 400.

  The integrated control unit 400 sets the output torque of the engine 11 received from the travel control unit 16 in the engine control unit 12 via the engine measurement control unit 40A of the engine unit test apparatus 100. Further, the output torque of the motor 14 received from the travel control unit 16 is set in the motor control unit 15 via the motor measurement control unit 40B of the motor unit test apparatus 200.

  The integrated control device 400 controls the dynamo 20A and 20C so that the output shaft of the engine 11 and the engine-side input shaft of the coupling device 13 rotate at the same torque and angular velocity by the procedure shown in the above (1) to (5). To do. The dynamos 20B and 20D are controlled so that the output shaft of the motor 14 and the motor side input shaft of the coupling device 13 rotate at the same torque and angular velocity. Therefore, the engine 11, the motor 14, and the coupling device 13 operate as if they are mechanically connected, and a test equivalent to the VRS test device shown in the related art can be performed.

  In the embodiment of FIG. 1, IEEE 1588 using communication is exemplified as the time synchronization method of the clock incorporated in the measurement control unit and the integrated control unit of each unit test apparatus, but the accuracy of time synchronization is determined from the control period ΔT. If the time is sufficiently small, another time synchronization method may be used. For example, a GPS (Global Positioning System) receiver can be connected to each unit test apparatus, and a clock built in each unit test apparatus can be synchronized with a GPS time signal.

  In the embodiment of FIG. 1, the communication network connecting the integrated control unit and the measurement control unit of each unit test apparatus and the communication network connecting the operation / management units are shown separately. If there is, the same communication network may be used.

  In the embodiment of FIG. 1, the power train test of a parallel type hybrid vehicle in which the engine and motor are connected by a coupling device is taken as an example, but it can be handled by changing the combination of single unit test devices for hybrid vehicles of other configurations. It is.

  FIG. 2 is a functional block diagram showing another embodiment of a hybrid vehicle test apparatus to which the present invention is applied. When testing a power train of a series / parallel hybrid vehicle in which an engine, a motor, and a generator are combined, the engine unit test apparatus 100, the motor unit test apparatus 200, and the coupling apparatus unit test apparatus 300 shown in the embodiment of FIG. On the other hand, the generator unit test apparatus 600 (the motor unit test apparatus 100 has the same configuration) may be additionally connected to the network.

  FIG. 3 is a functional block diagram showing still another embodiment of the hybrid vehicle testing apparatus to which the present invention is applied. In the embodiment of FIG. 1, actual machines are used for the engine, the motor, and the coupling device, but some of them can be replaced by a simulator.

  For example, instead of replacing the elements of the coupling device unit test apparatus 300 with the coupling device simulator 700 and measuring the output of the actual device, the output value may be calculated in real time using a simulation model of the coupling device.

  FIG. 4 is a functional block diagram showing still another embodiment of a hybrid vehicle test apparatus to which the present invention is applied. In the embodiment of FIG. 1, the integrated control unit 400 and the operation / management unit associated with the integrated control unit are prepared separately from each unit test apparatus. It can also be included in the measurement control unit.

  For example, the function of the integrated control unit is provided in the motor measurement control unit 40B of the motor unit test apparatus 200, and the operation / management unit 50B of the motor unit test apparatus 200 is provided with the function of the integration / management unit 500. It is possible to reduce the number of components such as the operation / management unit and reduce the cost of the test apparatus.

DESCRIPTION OF SYMBOLS 11 Engine 12 Engine control part 13 Connection apparatus 14 Motor 15 Motor control part 16 Traveling control part 20A, 20B, 20C, 20D, 20E Dynamo 30A, 30B, 30C, 30D, 30E Dynamo control part 40A Engine measurement control part 40B For motor Measurement control unit 40C Measurement control unit for coupling device 50A, 50B, 50C Operation / management unit 60A, 60B, 60C Clock 100 Engine unit test device 200 Motor unit test device 300 Coupler unit test device 400 Integrated control unit 401 Clock 400a Actual vehicle model 500 Integrated Operation and Management Department

Claims (7)

A hybrid in which an engine and a motor are connected via a connecting device to which a load torque is applied by a dynamo, and driving information for a test is set in the engine, the motor, and the dynamo by a measurement control unit incorporating a real vehicle model In vehicle testing equipment,
An engine unit test apparatus comprising the engine, a dynamo that applies load torque to the engine, and an engine measurement control unit;
A motor unit test apparatus including the motor, a dynamo that applies load torque to the motor, and a motor measurement control unit;
A coupling device unit testing device comprising the coupling device, a plurality of dynamos for applying load torque and driving torque to the coupling arm of the coupling device, and a coupling device measurement control unit;
An integrated measurement control unit with a built-in model of the actual vehicle that communicates with the measurement control unit in each unit test device and gives the measurement control unit travel information for testing,
A test apparatus for a hybrid vehicle comprising:   The test apparatus for a hybrid vehicle according to claim 1, wherein the measurement control unit and the integrated measurement control unit in each unit test apparatus include a clock unit capable of synchronizing time by communication.   The integrated measurement control unit acquires torque and angular velocity data of an engine, a motor, and a coupling device from the measurement control unit in each unit test apparatus, and loads torque and drive to be generated by the dynamo in each unit test apparatus. The hybrid vehicle according to claim 1 or 2, wherein torque is calculated and torque and angular velocity are set in a dynamo in each unit test device via a measurement control unit in each unit test device. Testing equipment.   The generator single unit test apparatus provided with the generator, the dynamo which gives load torque to this, and the measurement control part for generators which communicates with the said integrated measurement control part is provided. The test apparatus for hybrid vehicles in any one.   5. A battery unit testing apparatus comprising a battery, a charge / discharge tester for charging / discharging the battery, and a battery measurement control unit communicating with the integrated measurement control unit. A test apparatus for a hybrid vehicle according to claim 1.   6. The hybrid vehicle testing device according to claim 1, further comprising a simulator that simulates one or more of each of the unit testing devices with software.   The hybrid vehicle testing device according to claim 1, wherein the integrated measurement control unit is included in any one of the measurement control units in each of the unit test devices.

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