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Hybrid vehicle with low power battery

  • US 10,399,556 B2
  • Filed: 10/22/2018
  • Issued: 09/03/2019
  • Est. Priority Date: 02/12/2016
  • Status: Active Grant
First Claim
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1. A vehicle system comprising:

  • a motor/generator;

    a battery having a C-rate less than 0.9 C;

    power electronics operatively coupled with the motor/generator and the battery and structured to selectably convert AC electrical power output by the motor/generator to DC power and convert DC power output by the battery to AC power;

    an electronic control system operatively coupled with the motor generator, the battery, and the power electronics, the electronic control system configured to;

    enter into a line haul hybrid operating mode in response to a determination of uneven terrain involving repeated uphill and downhill operation of the vehicle system,during uphill operation of the vehicle system in the line haul hybrid operating mode, control the power electronics to convert power discharged from the battery to operate the motor/generator to output mechanical power,during downhill operation of the vehicle system in the line haul hybrid operating mode, control the power electronics to charge the battery with power provided by motor/generator, andcontrol the discharging and charging of the battery in the line haul hybrid operating mode to a rate equal to or less than the C-rate of the battery.

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