WO2023136209A1 - 車両の制御装置および車両 - Google Patents
車両の制御装置および車両 Download PDFInfo
- Publication number
- WO2023136209A1 WO2023136209A1 PCT/JP2023/000155 JP2023000155W WO2023136209A1 WO 2023136209 A1 WO2023136209 A1 WO 2023136209A1 JP 2023000155 W JP2023000155 W JP 2023000155W WO 2023136209 A1 WO2023136209 A1 WO 2023136209A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- vehicle
- weight
- control device
- motor generator
- total weight
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
- B60L7/14—Dynamic electric regenerative braking for vehicles propelled by AC motors
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L7/00—Electrodynamic brake systems for vehicles in general
- B60L7/10—Dynamic electric regenerative braking
- B60L7/18—Controlling the braking effect
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
Definitions
- the present disclosure relates to a vehicle control device and a vehicle.
- Electric vehicles and hybrid vehicles that have a motor as a drive source use a technology called regenerative braking, which uses regenerative torque generated in the motor to decelerate when the accelerator is released.
- the regenerative torque generated in the motor causes the motor to function as a generator. Electricity generated by the motor is regenerated to the battery via the inverter.
- a vehicle control device that includes regenerative torque control means for controlling a motor so that regenerative torque is set according to the position of a shift lever (see, for example, Patent Document 1).
- the regenerative torque In order to increase the amount of regeneration to the battery, if the regenerative torque is set according to the loaded vehicle, the deceleration will be too large when the vehicle is empty, and the user cannot obtain the desired deceleration. On the other hand, if the regenerative torque is set according to the empty vehicle, sufficient deceleration cannot be obtained, so there is a problem that the inter-vehicle distance between the own vehicle and the preceding vehicle is reduced.
- An object of the present disclosure is to provide a vehicle control device and a vehicle capable of obtaining regenerative torque corresponding to the total weight of the vehicle.
- the vehicle control device of the present disclosure includes: A control device for a vehicle including a motor generator that generates regenerative torque that contributes to deceleration of the vehicle, a total weight calculation unit that calculates the total weight of the vehicle including the load weight, which is the weight of the cargo loaded on the platform of the vehicle; a control unit that controls a motor generator to change the regenerative torque according to the calculated total weight; Prepare.
- a vehicle according to the present disclosure includes the control device for the vehicle.
- regenerative torque corresponding to the total weight of the vehicle can be obtained.
- FIG. 1 is a configuration diagram schematically showing the configuration of a vehicle.
- FIG. 2 is a configuration block diagram showing the configuration of the vehicle control device.
- FIG. 3 is a diagram showing the relationship between the rotational speed of the motor generator and regenerative torque.
- FIG. 4 is a deceleration diagram showing the relationship between vehicle speed and deceleration.
- FIG. 5 is a flow chart showing an example of the operation of the vehicle control device.
- FIG. 6 is a deceleration diagram showing the relationship between vehicle speed and deceleration when the magnitude of deceleration is set in three stages.
- FIG. 1 is a configuration diagram schematically showing the configuration of a vehicle 1.
- Vehicle 1 is an electric vehicle having drive wheels 2 .
- the vehicle 1 has a power control section 12 , a motor generator 14 , a battery 16 , a control device 20 , an acceleration sensor 32 , a torque sensor 34 and a rotation sensor 36 .
- the power control unit 12 is connected to the battery 16. Electric power of the battery 16 is supplied to the motor generator 14 via the power control section 12 .
- the motor-generator 14 functions as a motor that generates rotational driving force with the electric power supplied from the battery 16 .
- the driving wheels 2 are driven by the rotational driving force.
- the motor generator 14 functions as a generator when torque is applied from the drive wheels 2 during braking. Electric power generated by the motor generator 14 is stored in the battery 16 via the power control section 12 . The motor generator 14 produces a power generation load when generating power. The amount of regeneration to the battery increases according to the magnitude of the power generation load.
- the motor generator 14 applies the power generation load to the driving wheels 2 as regenerative torque. This causes the drive wheels 2 to generate a braking force. That is, the regenerative torque contributes to deceleration of the vehicle 1 .
- the acceleration sensor 32 detects the acceleration of the vehicle.
- a detection result (vehicle acceleration) of the acceleration sensor 32 is input to the control device 20 .
- the torque sensor 34 detects the rotational driving force of the motor generator 14 (driving force of the vehicle). A detection result of the torque sensor 34 is input to the control device 20 .
- the rotation sensor 36 detects the number of rotations and rotation direction of the motor. A detection result of the rotation sensor 36 is input to the control device 20 .
- the control device 20 includes a CPU (Central Processing Unit), ROM (Read Only Memory), EEPROM (Electrically Erasable Programmable Read Only Memory), RAM (Random Access Memory), an input port, an output port, and the like.
- the CPU of the control device 20 loads a predetermined program stored in the ROM into the RAM and executes various functions.
- FIG. 2 is a configuration block diagram showing the configuration of the control device 20. As shown in FIG.
- the control device 20 has an acquisition unit 21, a load weight estimation unit 22, a total weight calculation unit 23, a control unit 24, and a storage unit 25 as various functions.
- the acquisition unit 21 acquires the detection result of the acceleration sensor 32 (vehicle acceleration).
- the acquisition unit 21 also acquires the detection result of the torque sensor 34 (driving force of the vehicle). Also, the detection result of the rotation sensor 36 (the rotation speed of the motor generator 14) is acquired.
- the load weight estimating unit 22 estimates the load weight of the cargo loaded on the platform based on the relationship between the acceleration of the vehicle and the driving force of the vehicle.
- the total weight calculation unit 23 calculates the total weight by adding the load weight estimated by the load weight estimation unit 22 and the pre-stored vehicle weight.
- vehicle weight is the weight of the vehicle itself, which is constant for each vehicle type and stored in advance in the storage unit 25 .
- the storage unit 25 that stores the vehicle weight is, for example, a ROM.
- the storage unit 25 stores a plurality of tables showing the relationship between the number of revolutions of the motor generator 14 and the regenerative torque in stages according to the magnitude of the total weight.
- FIG. 3 is a diagram showing the relationship between the rotational speed of the motor generator 14 and regenerative torque.
- the horizontal axis indicates the rotation speed [rpm] of the motor generator 14, and the vertical axis indicates the regenerative torque [Nm].
- the overall weight is relatively small
- the overall weight is relatively large
- the overall weight is intermediate between small and large
- the relationships are shown in FIG. 3 by dashed, solid and dash-dotted lines.
- the data for each of the dashed line, solid line, and one-dot chain line shown in FIG. 3 can be obtained through experiments and simulations.
- the case where the total weight is relatively small includes the total weight of the vehicle with the smallest loaded weight (empty vehicle).
- the case where the total weight is relatively large includes the total weight of the vehicle with the maximum load weight (maximum load capacity).
- the storage unit 25 stores data for each of the dashed line, the solid line, and the dashed-dotted line shown in FIG. 3 as a plurality of (here, three) tables. Note that the number of tables is the number corresponding to the number of stages shown according to the size of the total weight, and is not limited to three.
- the control device 20 is connected to the power control section 12 .
- the control device 20 controls the motor generator 14 via the power control section 12 .
- control unit 24 controls motor generator 14 by referring to the table shown in FIG.
- the controller 24 outputs the regenerative torque command value to the power controller 12 .
- the power control unit 12 controls the motor generator 14 so as to generate a power generation load corresponding to the regenerative torque command value.
- the motor generator 14 can apply a power generation load corresponding to the total weight to the driving wheels 2 as regenerative torque.
- the vehicle 1 can obtain regenerative torque corresponding to its total weight.
- FIG. 4 is a diagram showing the relationship between vehicle speed and deceleration.
- the horizontal axis of FIG. 4 indicates the vehicle speed [km/h], and the vertical axis indicates the deceleration [m/s 2 ].
- the relationship between vehicle speed and deceleration when the overall weight is relatively small, when the overall weight is relatively large, and when the overall weight is intermediate is shown by dashed lines, solid lines, and dashed-dotted lines. show. Deceleration when the total weight is small indicated by the dashed line in FIG. 4, deceleration when the total weight is relatively large indicated by the solid line in FIG.
- Each of the decelerations is approximately the same at any vehicle speed. This allows the vehicle to obtain approximately the same deceleration regardless of its overall weight.
- the deceleration is prevented from becoming too large, so it is possible to obtain the deceleration desired by the user. Also, in the case of a vehicle with a large overall weight, sufficient deceleration can be obtained, so it is possible to maintain a distance between the vehicle and the preceding vehicle. As a result, cruise control that supports driving (follow-up driving) following the vehicle in front while maintaining the inter-vehicle distance becomes possible.
- FIG. 5 is a flow chart showing an example of the operation of the control device 20. As shown in FIG. This flow is started by turning on the power switch. It should be noted that each function of the control device 20 will be described as being performed by the CPU.
- step S100 the CPU acquires the detection result of the acceleration sensor 32 (vehicle acceleration).
- step S110 the CPU acquires the detection result of the torque sensor 34 (driving force of the vehicle).
- step S120 the CPU acquires the detection result of the rotation sensor 36 (the rotation speed of the motor generator 14).
- step S130 the CPU estimates the load weight from the relationship between the acceleration of the vehicle and the driving force of the vehicle.
- step S140 the CPU calculates the total weight by adding the loaded weight and the vehicle weight.
- step S150 the CPU controls the motor generator 14 by referring to the table shown in FIG. After that, the flow shown in FIG. 5 ends.
- the motor generator 14 can apply a power generation load corresponding to the total weight to the driving wheels 2 as regenerative torque.
- the vehicle 1 can obtain regenerative torque corresponding to its total weight.
- the vehicle control device 20 is a vehicle control device provided with a motor generator 14 that generates regenerative torque that contributes to deceleration of the vehicle 1.
- a total weight calculation unit 23 for calculating the total weight of the vehicle 1 including a certain load weight, and a control unit 24 for controlling the motor generator 14 to change the regenerative torque according to the calculated total weight.
- the motor generator 14 can apply a power generation load corresponding to the total weight to the driving wheels 2 as regenerative torque. For example, when the overall weight is small, a small regenerative torque is applied to the driving wheels 2 . Also, for example, when the overall weight is large, a large regenerative torque is applied to the driving wheels 2 . As a result, the vehicle 1 can obtain substantially the same deceleration regardless of the overall weight.
- control unit 24 further controls the motor generator 14 so as to change the regenerative torque according to the rotation speed of the motor generator 14 .
- the control unit 24 it is possible to apply appropriate regenerative torque to the drive wheels 2 in accordance with the rotational speed of the motor generator 14 .
- control unit 24 refers to the table to control the motor generator 14, but the present disclosure is not limited to this.
- the motor generator 14 may be controlled based on the formula obtained. Numerical formulas can be obtained through experiments and simulations.
- the total weight calculation unit 23 calculates the total weight by adding the load weight and the vehicle weight, but the present disclosure is not limited to this.
- the total weight may be calculated by adding the passenger weight of the passengers who board the vehicle to the total value.
- the vehicle control device 20 includes the loaded weight estimation unit 22 that estimates the loaded weight based on the driving force and acceleration of the vehicle, the present disclosure is not limited to this.
- a weight sensor may be provided on the loading platform. In this case, the weight sensor detects the load weight of the luggage loaded on the platform.
- a detection result (loaded weight) of the weight sensor is input to the control device 20 .
- the user may operate the operation lever to set the magnitude of the deceleration. For example, as shown in FIG. 6, the "HI operation” adjusts the regenerative torque to obtain a large deceleration, the "LOW operation” adjusts the regenerative torque to obtain a small deceleration, and the "OFF operation” adjusts the regenerative torque to obtain a small deceleration. You may set to three steps which do not adjust a regenerative torque.
- a plurality of tables showing the relationship between the number of rotations of the motor generator 14 and the regenerative torque in stages according to the magnitude of the total weight are divided into three groups.
- the control unit 24 may control the motor generator 14 by referring to one of the tables in the set group.
- the present disclosure is suitably used for a vehicle equipped with a control device that is required to obtain regenerative torque corresponding to the total weight of the vehicle.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
Abstract
Description
車両の減速に寄与する回生トルクを生成するモータジェネレータを備える車両の制御装置であって、
車両の荷台に積載された荷物の重量である積載重量を含む車両の全体重量を算出する全体重量算出部と、
算出された前記全体重量に応じて前記回生トルクを変更するようにモータジェネレータを制御する制御部と、
を備える。
図1は、車両1の構成を模式的に示す構成図である。車両1は、駆動輪2を有する電気自動車である。車両1は、パワーコントロール部12と、モータジェネレータ14と、バッテリー16と、制御装置20と、加速度センサー32と、トルクセンサー34と、回転センサー36とを有している。
2 駆動輪
12 パワーコントロール部
14 モータジェネレータ
16 バッテリー
20 制御装置
21 取得部
22 積載重量推定部
23 全体重量算出部
24 制御部
25 記憶部
32 加速度センサー
34 トルクセンサー
36 回転センサー
Claims (6)
- 車両の減速に寄与する回生トルクを生成するモータジェネレータを備える車両の制御装置であって、
車両の荷台に積載された荷物の重量である積載重量を含む車両の全体重量を算出する全体重量算出部と、
算出された前記全体重量に応じて前記回生トルクを変更するようにモータジェネレータを制御する制御部と、
を備える、
車両の制御装置。 - 前記制御部は、さらに前記モータジェネレータの回転数に応じて前記回生トルクを変更するように前記モータジェネレータを制御する、
請求項1に記載の車両の制御装置。 - 前記モータジェネレータの回転数と前記回生トルクとの関係を、前記全体重量の大きさに応じて段階的に示す複数のテーブルをさらに備え、
前記制御部は、前記全体重量の大きさに基づいて、前記複数のテーブルの中から選択されたテーブルを参照して、前記モータジェネレータを制御する、
請求項2に記載の車両の制御装置。 - 前記積載重量を推定する積載重量推定部をさらに備え、
前記全体重量算出部は、推定された前記積載重量と予め記憶された車両重量とを合算した値を前記全体重量として算出する、
請求項1に記載の車両の制御装置。 - 前記積載重量推定部は、車両の駆動力および車両の加速度に基づいて、前記積載重量を推定する、
請求項4に記載の車両の制御装置。 - 請求項1に記載の車両の制御装置を備える車両。
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202380015611.0A CN118475489A (zh) | 2022-01-11 | 2023-01-06 | 车辆的控制装置及车辆 |
| DE112023000347.5T DE112023000347T5 (de) | 2022-01-11 | 2023-01-06 | Fahrzeugsteuervorrichtung und fahrzeug |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022-002568 | 2022-01-11 | ||
| JP2022002568A JP7392741B2 (ja) | 2022-01-11 | 2022-01-11 | 車両の制御装置および車両 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2023136209A1 true WO2023136209A1 (ja) | 2023-07-20 |
Family
ID=87279044
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2023/000155 Ceased WO2023136209A1 (ja) | 2022-01-11 | 2023-01-06 | 車両の制御装置および車両 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JP7392741B2 (ja) |
| CN (1) | CN118475489A (ja) |
| DE (1) | DE112023000347T5 (ja) |
| WO (1) | WO2023136209A1 (ja) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102769937B1 (ko) * | 2024-06-28 | 2025-02-20 | 타타대우모빌리티 주식회사 | 적재량 기반의 구동모터 제어 방법 및 시스템 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0719939A (ja) * | 1993-06-30 | 1995-01-20 | Toshiba Corp | 自重計機能付きナビゲーション装置 |
| JP2013106457A (ja) * | 2011-11-15 | 2013-05-30 | Mitsubishi Motors Corp | 出力特性制御方法 |
| JP2016082692A (ja) * | 2014-10-15 | 2016-05-16 | ダイムラー・アクチェンゲゼルシャフトDaimler AG | 回生制御装置及び電動車両 |
| JP2020182352A (ja) * | 2019-04-26 | 2020-11-05 | ダイムラー・アクチェンゲゼルシャフトDaimler AG | 回生制御装置 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6291671B2 (ja) | 2014-03-06 | 2018-03-14 | 三菱自動車工業株式会社 | 車両の制御装置 |
| JP7326813B2 (ja) | 2019-03-28 | 2023-08-16 | 三菱自動車工業株式会社 | 電動車両の回生制御装置 |
| JP7234184B2 (ja) | 2020-06-23 | 2023-03-07 | 株式会社三共 | 遊技機 |
-
2022
- 2022-01-11 JP JP2022002568A patent/JP7392741B2/ja active Active
-
2023
- 2023-01-06 CN CN202380015611.0A patent/CN118475489A/zh active Pending
- 2023-01-06 WO PCT/JP2023/000155 patent/WO2023136209A1/ja not_active Ceased
- 2023-01-06 DE DE112023000347.5T patent/DE112023000347T5/de active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0719939A (ja) * | 1993-06-30 | 1995-01-20 | Toshiba Corp | 自重計機能付きナビゲーション装置 |
| JP2013106457A (ja) * | 2011-11-15 | 2013-05-30 | Mitsubishi Motors Corp | 出力特性制御方法 |
| JP2016082692A (ja) * | 2014-10-15 | 2016-05-16 | ダイムラー・アクチェンゲゼルシャフトDaimler AG | 回生制御装置及び電動車両 |
| JP2020182352A (ja) * | 2019-04-26 | 2020-11-05 | ダイムラー・アクチェンゲゼルシャフトDaimler AG | 回生制御装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN118475489A (zh) | 2024-08-09 |
| JP7392741B2 (ja) | 2023-12-06 |
| JP2023102158A (ja) | 2023-07-24 |
| DE112023000347T5 (de) | 2024-08-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP7449109B2 (ja) | 車両の制御装置 | |
| JP4751854B2 (ja) | 車両の制御装置、制御方法、その方法を実現するプログラムおよびそのプログラムを記録した記録媒体 | |
| JP6503760B2 (ja) | 電動車両の駆動力制御装置 | |
| CN111542452B (zh) | 再生制动控制方法和再生制动控制装置 | |
| KR20190028121A (ko) | E-4wd 하이브리드 차량의 제어 방법 | |
| JP5596756B2 (ja) | 電動車両 | |
| JP2016028913A (ja) | 車両の前後振動制御装置 | |
| JP6223487B2 (ja) | 電動車両用制動装置 | |
| CN110816281B (zh) | 用于车辆回收式制动控制的控制单元、装置和方法 | |
| CN116368046A (zh) | 电动汽车的控制方法、以及电动汽车的控制系统 | |
| JP2021093875A (ja) | 車両の制御装置 | |
| JP2020195254A (ja) | 車両用モータ制御装置 | |
| WO2022264738A1 (ja) | 車両の制御装置 | |
| US11338797B2 (en) | Hybrid vehicle and anti-rollover control method for the same | |
| JP2018033290A (ja) | 電気自動車 | |
| JP7392741B2 (ja) | 車両の制御装置および車両 | |
| US10173664B2 (en) | Expanding regenerative capacity up to vehicle dynamic limits through integration with mitigative subsystems | |
| WO2022113503A1 (ja) | 車両制御装置および車両制御方法 | |
| JP7766463B2 (ja) | 制御装置 | |
| CN114430719B (zh) | 车辆制动装置 | |
| JP7389673B2 (ja) | 電気車両の制御装置 | |
| JP6406082B2 (ja) | 制御システム | |
| JP2013141339A (ja) | 回生制御装置 | |
| JP7230594B2 (ja) | 変速制御装置 | |
| JP2022095221A (ja) | 電動車両の制御装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 23740218 Country of ref document: EP Kind code of ref document: A1 |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 202380015611.0 Country of ref document: CN |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 112023000347 Country of ref document: DE |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 18727700 Country of ref document: US |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 23740218 Country of ref document: EP Kind code of ref document: A1 |