KNOCKING RECOGNITION METHOD
FIELD: mechanical engineering; internal combustion engines. ^ SUBSTANCE: invention is aimed at increasing efficiency of discrimination of signals caused by knocking in internal combustion engine from signals caused by other noises in engine. Method is implemented by means of at least one detonation...
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| creator | TORNO OSKAR KLUT KARSTEN FRANKE SHTEFFEN KHEHMING VERNER BEHJURLE MIKHAEHL KHAJNSHTAJN AKSEL |
| description | FIELD: mechanical engineering; internal combustion engines. ^ SUBSTANCE: invention is aimed at increasing efficiency of discrimination of signals caused by knocking in internal combustion engine from signals caused by other noises in engine. Method is implemented by means of at least one detonation combustion sensor and signal processing unit installed after detonation combustion sensor and provided with at least one comparator. Output signal from detonation combustion sensor is compared after processing by comparator with variable reference value of level formed basing on preceding output signals of said combustion detonation sensor. Reference value of level passes into comparator through low-pass filter, and comparator indicates presence or absence of knocking basing on results of comparing. Tracking of reference value of level or calculation of value of input signal of low-pass filter are carried out at least by two different methods. Method is chosen depending on presence or absence of dynamic mode of engine operation. ^ EFFECT: improved efficiency of discrimination of signals caused by knocking. ^ 5 cl, 6 dwg |
| format | Patent |
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Method is implemented by means of at least one detonation combustion sensor and signal processing unit installed after detonation combustion sensor and provided with at least one comparator. Output signal from detonation combustion sensor is compared after processing by comparator with variable reference value of level formed basing on preceding output signals of said combustion detonation sensor. Reference value of level passes into comparator through low-pass filter, and comparator indicates presence or absence of knocking basing on results of comparing. Tracking of reference value of level or calculation of value of input signal of low-pass filter are carried out at least by two different methods. 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Method is implemented by means of at least one detonation combustion sensor and signal processing unit installed after detonation combustion sensor and provided with at least one comparator. Output signal from detonation combustion sensor is compared after processing by comparator with variable reference value of level formed basing on preceding output signals of said combustion detonation sensor. Reference value of level passes into comparator through low-pass filter, and comparator indicates presence or absence of knocking basing on results of comparing. Tracking of reference value of level or calculation of value of input signal of low-pass filter are carried out at least by two different methods. 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Method is implemented by means of at least one detonation combustion sensor and signal processing unit installed after detonation combustion sensor and provided with at least one comparator. Output signal from detonation combustion sensor is compared after processing by comparator with variable reference value of level formed basing on preceding output signals of said combustion detonation sensor. Reference value of level passes into comparator through low-pass filter, and comparator indicates presence or absence of knocking basing on results of comparing. Tracking of reference value of level or calculation of value of input signal of low-pass filter are carried out at least by two different methods. Method is chosen depending on presence or absence of dynamic mode of engine operation. ^ EFFECT: improved efficiency of discrimination of signals caused by knocking. ^ 5 cl, 6 dwg</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| language | eng ; rus |
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| subjects | BLASTING COMBUSTION ENGINES CONTROLLING COMBUSTION ENGINES HEATING HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS IGNITION, OTHER THAN COMPRESSION IGNITION, FORINTERNAL-COMBUSTION ENGINES LIGHTING MEASURING MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER,MECHANICAL EFFICIENCY, OR FLUID PRESSURE MECHANICAL ENGINEERING PHYSICS TESTING TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES WEAPONS |
| title | KNOCKING RECOGNITION METHOD |
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