{
  "$type": "site.standard.document",
  "description": "Method for controlling and/or regulating a powertrain (1) for a motor vehicle with the steps: introducing a hydraulic fluid into at least one pressure accumulator (27), so that a gas volume in the pressure accumulator (27) is reduced and the actual temperature and the actual pressure of the gas are…",
  "path": "/patents/943029",
  "publishedAt": "2016-05-18T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60K6/12",
    "BOSCH GMBH ROBERT [DE]"
  ],
  "textContent": "Method for controlling and/or regulating a powertrain (1) for a motor vehicle with the steps: introducing a hydraulic fluid into at least one pressure accumulator (27), so that a gas volume in the pressure accumulator (27) is reduced and the actual temperature and the actual pressure of the gas are increased and/or discharging a hydraulic fluid from the at least one pressure accumulator (27), so that a gas volume in the pressure accumulator (27) is increased and the actual temperature and the actual pressure of the gas are reduced, detecting a measured pressure of the gas in the at least one pressure accumulator (27) with at least one pressure sensor with a first time delay relative to an actual pressure of the gas that varies as a function of time, detecting a measured temperature of the gas in the at least one pressure accumulator (27) with at least one temperature sensor with a second time delay relative to an actual temperature of the gas that varies as a function of time and the second time delay is greater than the first time delay, wherein a model calculation is performed on the measured temperature detected by the at least one temperature sensor and with the model calculation, depending on the measured temperature of the gas, a model temperature is determined and the time delay between the model temperature and the actual temperature of the gas is smaller than the time delay between the measured temperature and the actual temperature of the gas, wherein at least one test parameter for a leak, leak quantity, of gas and/or hydraulic fluid in the at least one pressure accumulator is calculated and compared with at least one permissible test parameter range and when a value of the at least one test parameter is outside the at least one permissible test parameter range, at least one damage mitigation measure is initiated.",
  "title": "METHOD FOR CONTROLLING AND REGULATING A DRIVE TRAIN"
}