RX400h. New Technology

Transcription

1 RX400h New Technology

2 Model Outline Performance Power Train 3MZ-FE engine [3MZ-FE] V6 3.3-liter, 24-valve, DOHC, w/vvt-i gasoline engine 155 5,600 rpm 288 N 4,400 rpm 2

3 Model Outline Performance Power Train MG1 / MG2 [MG1] Alternating current permanent magnet synchronous type motor Max. System Voltage: AC 650V Max. Output: ,000 rpm Max. Torque: 80 N 0 13,000 rpm 3

4 Model Outline Performance Power Train MG1 / MG2 [MG2] Alternating current permanent magnet synchronous type motor Max. System Voltage: AC 650V Max. Output: 123 4,500 rpm Max. Torque: 333 N 0 1,500 rpm 4

5 Model Outline Performance Power Train MGR (4WD model only) [MGR] Alternating current permanent magnet synchronous type motor Max. System Voltage: AC 650V Max. Output: 50 4,610 5,120 rpm Max. Torque: 130 N rpm 5

6 Model Outline Equipment THS-II DC 288V high-output HV Battery Rear Seat HV Battery 6

7 Model Outline Equipment THS-II Inverter MG ECU Controls inverter components Inverter AC DC Boost Converter DC288V DC650V DC-DC Converter DC288V DC12V 7

8 Model Outline Equipment Combination meter Power meter : Indication of total of engine & motor output Multi-information : Indication of cruise information, energy monitor, etc.. Power Meter 8 READY Light Multi-information Display Energy monitor, etc.,

9 Model Outline Equipment Multi display New functions of multi display : Energy monitor Outside Temp. 9 Instant Fuel Consumption Change the display to fuel consumption screen : Drive by Engine : Drive by Motor : Regenerate : Not Activate

10 Model Outline Equipment Multi display New functions of multi display : Fuel consumption Outside Temp. Average Fuel Consumption Regenerated Energy Display Instant Fuel Consumption Average Fuel Consumption (after resetting) Change the display to energy monitor screen Driving Distance (after resetting) 10

11 Engine Engine specifications Engine properties

12 Engine Engine specifications Outline V6 (60-degree), 3.3-liter, 24-valve, DOHC, w/vvt-i gasoline engine Basic construction and operation are same as 3MZ- FE on RX330 12

13 Engine Engine specifications Item 3MZ-FE (RX400h) 3MZ-FE (RX330) 1MZ-FE (RX300) Destination -A, -W -A -W No. of Cylinders and Arrangement 6-Cylinder, V-type Valve Mechanism 24-Valve DOHC, Gear/Belt Drive, VVT-i Displacement cm Bore x stroke mm 92.0 X X 83.0 Compression Ratio Max. Output 155 5,600 rpm 208 rpm 172 5,600 rpm 230 5,600 rpm 150 5,600 rpm Max. Torque 288 N 4,400 rpm 328 N 3,600 rpm 283 N 4,500 rpm 13

14 Engine Engine specifications Major Difference from 1MZ-FE (RX300) THS ECU controls the engine Cylinder bore diameter is increased Same piston for right and left bank Intake valve timing is changed (retarded) ACIS is discontinued Intake air control system is discontinued Flat type knock sensor Drive belt is discontinued 14

15 THS II THS-II Overall THS-II Operation Motor / Generator Inverter assembly

16 Overall Basic components of THS-II Power Split Planetary Gear Unit Engine MG1 MGR Inverter HV Battery Motor Speed Reduction Planetary Gear Unit MG2 16

17 MG (Motor Generator) MG1, MG2 and MGR Alternating current permanent magnet synchronous motor MG1 MG2 MGR Hybrid Transaxle Rear Transaxle 17

18 Overall Power-dividing mechanism 2 Planetary Gears Engine MG1 MG2 To Front Wheel Counter Gear 18

19 MG (Motor Generator) Specifications Item MG1 MG2 MGR Type Permanent Magnet Motor Function Generator, Engine Starter Drive Front Wheels, Generator Drive Rear Wheels, Generator System Voltage V Max. AC 650 Max. Output kw / rpm 109 / 13, / 4, / 4,610 ~ 5,120 Max. Torque N m / rpm 80 / 0 ~ 13, / 0 ~ 1, / 0 ~ 610 Cooling System Water-cooled Air-cooled 19

20 Nomographic Chart + + rpm Torque - - Sun Gear (MG1) Carrier (Engine) Ring Gear (Wheel) Carrier (Fixed) Sun Gear (MG2) Power Split Planetary Gear Unit Motor Speed Reduction Planetary Gear Unit 20 Vertical lines show rpm and direction of rotation Spaces between vertical lines show gear ratios Arrows show torque direction (Red: Discharge / Blue: Charge) - MG1, MG2 Condition - Rotation Direction of MG Discharge Charge Torque - Charge Discharge

21 THS-II Operation Engine starting MG1 starts engine Vehicle Speed 0 Engine MGR MG1 MG2 HV Battery 21 Refer to chart

22 THS-II Operation Idling Engine turns MG1 to charge HV battery Vehicle Speed 0 Engine MGR MG1 MG2 HV Battery 22 Refer to chart

23 THS-II Operation Vehicle start-off Driving with MG2 & MGR Vehicle Speed 0 Click! Movie Engine MGR MG1 MG2 HV Battery 23

24 THS-II Operation Vehicle start-off with engine MG1 starts engine for increase of drive torque Engine turns MG1 to charge HV battery Vehicle Speed 0 Click! Movie Engine MGR MG1 MG2 HV Battery 24

25 THS-II Operation During slight acceleration with engine Engine drives wheel and MG1 Generated electricity is supplied to MG2 Vehicle Speed 0 Click! Movie Engine MGR MG1 MG2 HV Battery 25

26 THS-II Operation During low load & constant-speed cruising Engine drives wheel and MG2 MG1 is turned to keep an optimum gear ratio Vehicle Speed 0 Click! Movie Engine MGR MG1 MG2 HV Battery 26

27 THS-II Operation During full throttle acceleration HV battery supplies electricity to MG2 and MGR Vehicle Speed 0 Click! Movie Engine MGR MG1 MG2 HV Battery 27

28 THS-II Operation Deceleration in D range MG2 & MGR charge HV battery Vehicle Speed 0 Click! Movie Engine MGR MG1 MG2 HV Battery 28

29 THS-II Operation Deceleration in B range MG1 drives the engine The motive force of MG1 is used for engine brake Vehicle Speed 0 Fuel Cut Click! Movie Engine MGR MG1 MG2 HV Battery 29

30 THS-II Operation Driving in reverse MG2 & MGR are reversing Vehicle Speed 0 Click! Movie Engine MGR MG1 MG2 HV Battery 30

31 System diagram System diagram of main components Shift Position Sensor Hybrid Transaxle Rear Transaxle Accelerator Pedal Position Sensor MG1 MG2 MGR* Resolver (MG2) THS ECU MG ECU Inverter Auxiliary Battery Brake Actuator Engine Boost Converter DC DC Converter Speed Sensors Skid Control ECU CAN DLC3 Battery Smart Unit SMR1, 2 and 3 HV Battery A/C Compressor with A/C Inverter 31

32 Inverter assembly General 4 components MG ECU Inverter Boost Converter DC-DC Converter Inverter assembly 32

33 Inverter assembly System diagram THS ECU MG ECU Inverter Assembly MG1 Boost Converter IPM (IGBT) Reactor Inverter IPM (IGBT) MG2 HV Battery MGR DC - DC Converter Auxiliary Battery A/C Inverter Motor A/C Compressor 33

34 Inverter assembly Inverter Converts DC AC Inverter Assembly Inverter HV Battery DC Boost Converter DC IPM (IGBT) DC AC AC AC MG1 MG2 MGR 34

35 Inverter assembly Boost converter (Variable-voltage system) converts DC 288V DC 650V DC 650V DC 288V Inverter Assembly AC MG1 DC 288 V Boost Converter IPM (IGBT) Reactor DC650 V Inverter (IPM) MG2 HV Battery MGR : Discharge : Charge 35

36 Inverter assembly Boost converter (Variable-voltage system) System diagram IGBT Reactor Boost Converter IPM Inverter IPM Power Transistor MG1 HV Battery MG2 MGR 36

37 Inverter assembly DC DC converter Converts DC 288V DC 12V HV Battery Inverter Assembly MG1 Variablevoltage System DC 650V Inverter MG2 DC DC Converter MGR DC 288V DC AC AC 288V AC 12V AC DC DC 12V Auxiliary Battery 37

38 Inverter assembly Cooling Separate cooling system from engine Receiver Tank Radiator (for Inverter) Water Pump 38

39 HV battery General Power supply HV Battery Auxiliary Battery For MG1,MG2 and MGR etc. For headlight, audio, all ECUs, etc. (when the READY OFF) 39

40 HV battery General Located under the rear seat HV Battery Assembly Rear Seat Service Plug 40

41 HV battery Layout of Main Components Junction Block Cooling Fan Battery Smart Unit 41 Modules Service Plug Connector

42 HV battery Layout of Main Components Junction block SMR1 SMR2 SMR3 Amperage Sensor Resistor 42

43 HV battery Features Plug-in Type SMR 3 Cooling Fans DC 288V 114V 60V Metallic Battery Case 114V 3 Portions 43

44 HV battery Battery smart unit Transmit the HV battery information to the THS ECU SOC* Control THS ECU Cooling Fan Control Diagnosis Function for HV Battery Cooling Fan Relay Serial Communication Battery Smart Unit HV Battery Condition Detection Short Circuit Detection for HV Battery Cooling Fan Motors (3) HV Battery Amperage Sensor Voltage x 16 Temp. x 8 Temp. Sensors (Thermistor) *: State of Charge

45 HV battery SOC control The SOC is maintained at target SOC 45

46 HV battery SOC control THS ECU controls the SOC Battery Smart Unit HV Battery Information THS ECU SOC Voltage (SOC) Drive Charging Charge MG1 Drive HV Battery Engine 46

47 HV battery SMR (System Main Relay) Turns ON / OFF high voltage circuit SMR1 SMR2 SMR3 Resistor 47

48 HV battery Service plug Service plug cut the high voltage circuit Cover Rear Seat Service Plug 48

49 HV battery Service plug Power is shut off at HV battery midpoint 49

50 Auxiliary battery Auxiliary battery Supplies 12V power Auxiliary Battery 50

51 Power cable Power cable High-voltage, high-amperage cable A/C Compressor Inverter Junction Connector Rear Transaxle (MGR) Front Transaxle (MG1, 2) EPS ECU HV Battery DC-DC Converter for EPS 51 MGR (W, U, V) EPS (DC-DC Converter) HV Battery (+, -)

52 THS-II control system Motive force calculation Target motive force - Engine motive force = MG2 motive force Shift Position Sensor THS ECU Accelerator Pedal Position Sensor Target Motive Force Calculation Engine Motive Force Calculation Engine Speed Sensor (Resolver) MG1 Generation Calculation MG1 HV Battery SOC Calculation MG2 Motive Force Calculation MG2 Hybrid Transaxle 52

53 THS-II control system Motor traction control Each wheel Speed Sensors Skid Control ECU Brake Request THS ECU High Speed Speed Sensor MG2 Hybrid Transaxle Brake Force Traction Control Speed Sensor MGR Brake Actuator Inverter Rear Transaxle 53

54 THS-II control system 4WD system Electric 4WD system Rear Transaxle MGR 3MZ-FE Engine 54 Hybrid Transaxle MG1 MG2

55 THS-II Control System 4WD system Skid control ECU calculates the front / rear wheel torque distribution THS ECU 4 Speed Sensors SOC Calculation Front Motive Force Target Motive Force Calculation Rear Motive Force Target Motive Force, Shift Position Torque Distribution Skid Control ECU Calculates front / rear torque distribution Engine MG1 MG2 MGR Steering Angle Sensor Deceleration Rate Sensor 55

56 THS-II control system 4WD system 2WD / 4WD Operation Start-off, Low Load Normal Driving Accelerat ion Decelerat ion 4WD (82N m) 2WD 4WD (130N m) 4WD On slippery load Tight Turn 4WD (130N m) 4WD (23N m) (): MGR Max. Torque 56

57 THS-II control system 4WD system 4WD warning on multi information display 4WD Warning Combination Meter 4 Skid Control ECU Communication Malfunction THS ECU Warning Request Gateway ECU Meter ECU Sensor Sensor Malfunction MGR MGR Malfunction 57

58 Chassis Hybrid Transaxle Rear Transaxle Steering Brake Control system

59 Chassis P310 Hybrid Transaxle General A new P310 hybrid transaxle Front 59

60 Chassis P310 Hybrid Transaxle Features 2 Planetary Gear Units 3 Axes Compound Gear No Drive Chain 60

61 Chassis P310 Hybrid Transaxle Transaxle Unit Engine Power Split Planetary Gear Motor Speed Reduction Planetary Gear Compound Planetary Gear Unit Oil Pump Transaxle Damper MG1 Compound Gear Counter Gear MG2 61 Difference Gear Unit Final Gear

62 Chassis P310 Hybrid Transaxle MG1 Operates as generator and starter motor Item MG1 Type Permanent Magnet Motor Function System Voltage V Generator, Engine Starter Max. AC 650 Max. Output kw / rpm Max. Torque N m / rpm Max. rpm Cooling System 109 / 13, / 0 ~ 13,000 13,000 Water-cooled 62

63 Chassis P310 Hybrid Transaxle MG2 Drives front wheels Operates as generator when braking Item MG2 Type Permanent Magnet Motor Function System Voltage V Drive Front Wheels, Generator Max. AC 650 Max. Output kw / rpm Max. Torque N m / rpm Max. rpm Cooling System 123 / 4, / 0 ~ 1,500 12,400 Water-cooled 63

64 Chassis P310 Hybrid Transaxle Power split planetary gear Sun gear = MG1 Planetary carrier = Engine Ring gear = Wheel Power Split Planetary Gear Engine MG1 MG2 To Front Wheel 64

65 Chassis P310 Hybrid Transaxle Motor speed reduction planetary gear Sun gear = MG2 Planetary carrier = Fixed Ring gear = Wheel Motor Speed Reduction Planetary Gear Engine MG1 MG2 To Front Wheel 65

66 Chassis P310 Hybrid Transaxle Motor speed reduction planetary gear Reduction of MG2 speed & increase of torque Reduction Ratio :

67 Chassis Reference (P310 Hybrid Transaxle) Motor speed reduction planetary gear Torque (Motor Size) Without Reduction Mechanism With Reduction Mechanism Compact and light weight 0 Motor Speed Necessary Performance for MG2

68 Chassis Q211 Rear Transaxle General Rear transaxle Front 68

69 Chassis Q211 Rear Transaxle Construction MGR Speed Sensor Counter Gear Ring Gear Differential Gear Unit 69

70 Chassis Q211 Rear Transaxle MGR Item MGR Type Permanent Magnet Motor Function System Voltage V Drive Rear Wheels, Generator Max. AC 650 Max. Output kw / rpm Max. Torque N m / rpm Max. rpm Cooling System 50 / 4,610 ~ 5, / 0 ~ ,750 Air-cooled 70

71 Chassis Shift Lever Shift pattern 71

72 Chassis Steering EPS (Electric Power Steering) Direct drive between motor & rack Resolver Type Torque Sensors 72 [Specifications] Type Gear Ratio (Overall) No. of Turns Lock to Lock Rack Stroke [mm ] Rotational Angle Sensor Vehicle Speed Sensing Type 15.6 : Steering Gear Unit Brushless Motor Reduction Mechanism

73 Chassis Steering Layout of main components Steering Gear Unit HV Battery EPS ECU Steering Column DC-DC Converter 73

74 Chassis Brake control system VDIM (Vehicle Dynamics Integrated Management) Conceptual diagram of control management Cornering Vehicle Driving Cornering Driving Braking Cornering Braking Cornering VDIM Conventional 74 Smooth Vehicle Control

75 Chassis Reference (Brake control system) VDIM (Vehicle Dynamics Integrated Management) Example VDIM Control VSC or ABS Control Braking Braking VDIM Conventional 75 Smooth Vehicle Control

76 Chassis Brake control system VDIM (Vehicle Dynamics Integrated Management) Functions ABS ECB System Brake Assist EBD VSC TRAC Regenerative Brake Cooperative Control Power Steering Cooperative Control 76

77 Chassis Brake control system Regenerative brake cooperative control Brake Pedal Depression Regenerative Brake Brake Force Hydraulic Brake 77

78 Chassis Brake control system Regenerative brake cooperative control Operation Skid Control ECU THS ECU Demand Braking Force Regenerative Brake Force Calculation Regenerative Brake Control Hydraulic Brake Control Actual regenerative brake force Electricity MG2 MGR* 78 *: 4WD model only

79 Chassis Brake control system ECB system Total brake force (hydraulic&regenerative) matches the required braking power Hydraulic Brake Regenerative Brake 79

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