Powertrain control system

• US 20040034460A1
• Filed: 08/13/2002
• Published: 02/19/2004
• Est. Priority Date: 08/13/2002
• Status: Abandoned Application

• Current Assignee: GM Global Technology Operations LLC (General Motors Company)
• Original Assignee: GM Global Technology Operations LLC (General Motors Company)
• Inventors: Dudek, Kenneth Paul, Orrell, William Burton, Livshiz, Michael, Matthews, Gregory Paul, Folkerts, Charles Henry
• Application Number:
  US10/218,113
• Publication Number:
  US 20040034460A1
• Time in Patent Office: Days
• US Class Current: 701/54
• CPC Class Codes: B60W 10/04 including control of propulsion units
• CPC Class Codes: B60W 10/06 including control of combustion engines
• CPC Class Codes: B60W 10/10 including control of change-speed gearings
• CPC Class Codes: B60W 10/11 Stepped gearings
• CPC Class Codes: B60W 2710/105 Output torque
• CPC Class Codes: B60W 30/1819 Propulsion control with control means using analogue circuits, relays or mechanical links
• CPC Class Codes: B60W 30/188 Controlling power parameters of the driveline, e.g. determining the required power
• CPC Class Codes: B60W 40/08 related to drivers or passengers
• CPC Class Codes: B60W 40/10 related to vehicle motion
• CPC Class Codes: B60W 50/0097 Predicting future conditions
• CPC Class Codes: B60W 50/06 Improving the dynamic response of the control system, e.g. improving the speed of regulation or avoiding hunting or overshoot

Abstract

A coordinated torque control system for a vehicle including a powertrain controller, a vehicle control integration control module contained in the powertrain controller, a powertrain control integration module communicating with the vehicle control integration control module, a power generation and transfer module communicating with the powertrain control integration module, and where the powertrain control integration module may be programmed independent of the powertrain control technology used in the vehicle.

Claims

1. A coordinated torque control system for a vehicle comprising:

a powertrain controller, a vehicle control integration control module contained in said powertrain controller;

a powertrain control integration module communicating with said vehicle control integration control module;

a power generation and transfer module communicating with said powertrain control integration module; and

wherein said powertrain control integration module may be programmed independent of the powertrain control technology used in the vehicle.

2. The coordinated torque control system of claim 1, wherein said vehicle control integration module processes driver inputs to produce a torque command to said powertrain control integration module.

3. The coordinated torque control system of claim 1, wherein said vehicle control integration module processes vehicle subsystem inputs to produce a torque command to said powertrain control integration module.

4. The coordinated torque control system of claim 1 wherein said vehicle control integration module includes an estimation and prediction module, a control module, and a diagnostics module.

5. The coordinated torque control system of claim 1 wherein said vehicle control integration module includes a driver interpretation module to process driver inputs, a vehicle coordination module to process vehicle subsystem inputs and a driver and vehicle state and parameter estimation and prediction module.

6. The coordinated torque control system of claim 1 wherein said vehicle control integration module generates a shaped torque command.

7. The coordinate torque control system of claim 1 wherein said vehicle control integration module arbitrates intervention from vehicle subsystem inputs with driver inputs.

8. A modular powertrain control system for a vehicle comprising:

a controller;

vehicle control integration software contained in said controller, wherein said vehicle control integration software includes an estimation and prediction algorithm to generate a first power command;

powertrain control integration software contained in said controller, wherein said powertrain control integration software processes said first power command to generate a second power command; and

power generation control software contained in said controller, wherein said power generation control software process said second power command to control the power output of a vehicle powertrain.

9. The modular powertrain control system of claim 8, wherein said vehicle control integration software processes driver inputs and vehicle subsystem inputs.

10. The modular powertrain control system of claim 8, wherein said first power command amplitude is varied over time.

11. The modular powertrain control system of claim 8, wherein said first power command is selected from a plurality of stored waveforms (not necessarily stored as waveforms, but generated from transfer functions that would generate the waveforms), the selection of one of said plurality of stored waveforms, dependent on driver inputs and vehicle subsystem inputs.

12. The modular powertrain control system of claim 8, wherein said vehicle powertrain includes an internal combustion motor.

13. The modular powertrain control system of claim 8, wherein said vehicle powertrain includes an electric motor.

14. The modular powertrain control system of claim 8, wherein said vehicle powertrain includes a fuel cell.

15. A method of controlling a vehicle powertrain comprising:

providing a vehicle control module;

storing a plurality of torque waveform commands in said vehicle control module corresponding to a vehicle calibration;

processing driver inputs and vehicle subsystem inputs with an estimation and prediction algorithm to select a first torque command, said first torque command comprising at least one of said plurality of stored torque waveform commands;

processing said first torque command with a powertrain control integration algorithm to produce a second torque command; and

controlling a vehicle powertrain with said second torque command using a power generation control algorithm.