{
  "$type": "site.standard.document",
  "description": "A drivetrain system (200) for a machine (100) includes an engine (102), a brake (116), and a controller (104) operatively coupled to the engine (102) and the brake (116). The controller (104) is configured to generate a first speed error (218) based on a first speed command signal (212) and a first…",
  "path": "/patents/934171",
  "publishedAt": "2016-11-30T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60L15/10",
    "CATERPILLAR INC [US]"
  ],
  "textContent": "A drivetrain system (200) for a machine (100) includes an engine (102), a brake (116), and a controller (104) operatively coupled to the engine (102) and the brake (116). The controller (104) is configured to generate a first speed error (218) based on a first speed command signal (212) and a first ground speed signal (216); generate a first engine speed command signal (220) based on the first speed error (218); send the first engine speed command signal (220) to the engine (102); compare the first speed error (218) to an upper threshold (246); set a brake command signal (224) to an engagement value when a magnitude of the first speed error (218) is greater than a magnitude of the upper threshold (246); engage the brake (116) in response to setting the brake command signal (224) to the engagement value; and increase a speed of the engine (102) in response to the first engine speed command signal (220) while the brake command signal (224) is set to the engagement value.",
  "title": "ELECTRONIC SPEED CONTROL FOR LOCOMOTIVES"
}