Control system for power plant and ice

FIELD: engines and pumps.

SUBSTANCE: control system for power plant wherein relationship between multiple control signals and multiple control magnitudes exists comprises appliance to set target magnitudes that make preset magnitudes of appropriate control magnitudes and appliance to calculate no interrelated input signals for computation of control input signals as appropriate no interrelated input signals that resolve interrelation, for tracing control magnitudes of appropriate target magnitudes suing appropriate control algorithm built around the power plant built by simulating power plant as discrete-time system model. Aforesaid control algorithm comprises combination of definite control algorithm with predefined respond and definite independent control algorithm. System claim defines three versions of power plant control system.

EFFECT: better controllability and control accuracy and eliminating interrelation between multiple control input signals and control magnitudes.

22 cl, 39 dwg

 

The text descriptions are given in facsimile form.

1. Control system for power plant, in which between a set of input control signals and the set of control variables there is a relationship that contains:
the tool set the target values for specifying the target values, which are predetermined values of the corresponding control values; and a means of computing unrelated input signals to calculate the input control signals as appropriate unrelated input signals, eliminating the relationship, to provide tracking control values for the respective target values by using a specific control algorithm, based on the model of the power plant generated by simulation of the power plant as a model system with discrete time, and a certain control algorithm includes a combination of a specific control algorithm with the purpose of the response and a specific algorithm of Autonomous control.

2. The control system according to claim 1, characterized in that the model of the power plant includes many unrelated parameters to define the dependencies between the input control signals and control the quantities this tool calculate unrelated input signals, calculates the proper unrelated input signals using a specific control algorithm in accordance with at least one of: unrelated parameters and control values, and the control system further comprises a means of identification for serial identification unrelated parameters in accordance with at least one of: unrelated input signals, the control values and the internal variable of the power plant.

3. The control system according to claim 2, characterized in that the identification device calculates the reference value unrelated parameters in accordance with at least one of: unrelated input signals, the control values and the internal variable of the power unit, calculates the set value correction using a specific algorithm sequential identification in accordance with at least one of: unrelated input signals, the control values and the internal variable of the power plant and identifies unrelated parameters by correcting the reference values unrelated parameters with the corresponding values of the correction.

4. Control system for power plant, to the th between the set of input control signals and the set of control units are interconnected contains:
the tool set the target values for specifying the target values, which are predetermined values of the corresponding control values; and a means of computing unrelated input signals to calculate the input control signals as appropriate unrelated input signals, eliminating the relationship, to provide tracking control values for the respective target values by using a specific control algorithm, based on the model of the power plant formed by modeling a power plant comprising a combination of a specific control algorithm with two degrees of freedom and a certain algorithm of Autonomous control, and a certain control algorithm with two degrees of freedom is an algorithm that is formed by combining a specific algorithm filter target value and a specific algorithm of the feedback control.

5. The control system according to claim 4, characterized in that a specific algorithm of the feedback control is a control algorithm with the purpose of the response.

6. The control system according to claim 4, characterized in that the model of the power plant includes many unrelated parameters for determining the Oia, the dependencies between the input control signals and control values, this tool calculate unrelated input signals, calculates the proper unrelated input signals using a specific control algorithm in accordance with at least one of: unrelated parameters and control values, and the control system further comprises a means of identification for serial identification unrelated parameters in accordance with at least one of: unrelated input signals, the control values and the internal variable of the power plant.

7. The control system according to claim 6, characterized in that the identification device calculates the reference value unrelated parameters in accordance with at least one of: unrelated input signals, the control values and the internal variable of the power unit, calculates the set value correction using a specific algorithm sequential identification in accordance with at least one of: unrelated input signals, the control values and the internal variable of the power plant and identifies unrelated parameters by correcting the reference values unrelated parameters with the corresponding values of the correction.

8. Control system for power plant, to the th between the set of input control signals and the set of control variables there is a connection, contains:
a means of computing unrelated input signals to calculate the input control signals as appropriate unrelated input signals, eliminating the relationship, using a specific control algorithm, based on the model of the power plant formed by modeling a power plant that includes a specific algorithm of Autonomous control, and the model of the power plant includes many unrelated parameters to define the dependencies between the input control signals and control values,
this tool calculate unrelated input signals, calculates the proper unrelated input signals using a specific control algorithm in accordance with at least one of: unrelated parameters and control values, and the control system further comprises a means of identification for serial identification unrelated parameters in accordance with at least one of: unrelated input signals, the control values and the internal variable of the power plant.

9. The control system of claim 8, characterized in that the identification device calculates the reference value unrelated parameters with regard to the availa able scientific C, at least one of: unrelated input signals, the control values and the internal variable of the power unit, calculates the set value correction using a specific algorithm sequential identification in accordance with at least one of: unrelated input signals, the control values and the internal variable of the power plant, and identifies unrelated parameters by correcting the reference values unrelated parameters with the corresponding values of the correction.

10. Control system for internal combustion engine to control a variety of control values in it using a variety of appropriate input control signals, in which between control values and the input control signals are interconnected contains:
the tool set the target values for specifying the target values, which are predetermined values of the corresponding control values; and a means of computing unrelated input signals to calculate the input control signals as appropriate unrelated input signals, eliminating the relationship, to provide tracking control values for the respective target values by using a specific algorithm of the control is to be placed, includes a specific algorithm of Autonomous control.

11. The control system of claim 10, characterized in that the said means of calculation unrelated input signals, calculates the proper unrelated input signals using a specific control algorithm in accordance with at least one of the control units and at least one of: the input control signals and parameter operating state, characterizing the operating state of the engine.

12. The control system according to claim 11, characterized in that a specific Autonomous control algorithm is an algorithm based on the model of the power plant, which determines the relation between the control values and the input control signals, the model of the power plant includes many unrelated parameters to define the dependencies between the input control signals and the control variables, this means computing unrelated input signals, calculates the proper unrelated input signals using a specific control algorithm and, in addition, in accordance with unrelated parameters, and the control system further comprises a means of identification for serial identification unrelated pairs the TRS in accordance, at least one of: unrelated input signals, control variables and parameter operating state.

13. The control system according to item 12, characterized in that the identification device calculates the reference value unrelated parameters in accordance with at least one of: unrelated input signals, control variables and parameter operating state, computes the set of correction values using a specific algorithm sequential identification in accordance with at least one of: unrelated input signals, control variables and parameter operating status, and identifies unrelated parameters by correcting the reference values unrelated parameters with the corresponding values of the correction.

14. The control system of claim 10, wherein the engine includes a throttle mechanism for changing the opening degree of the throttle valve and the mechanism for regulating the height of the valves to change the elevation of the intake valve, the control variables represent the pressure in the intake channel of the engine and the intake air mass, and the input control signals are control the degree of opening for regulating the degree of opening drosseln the second valve and the control value of the height to adjust the height of lift of the intake valve.

15. The management system 14, wherein the engine additionally includes a system for processing fuel vapor to temporarily absorb the fuel vapors generated inside the combustion chamber, and the supply of absorbed fuel vapor in the intake channel under the action of pressure in the inlet channel, and said means to set the target value is the target value of the pressure in the inlet channel in the period before the expiration of a certain period of time after starting of the engine is equal to a lower value than the after this certain period of time.

16. The management system 14, wherein the engine additionally includes:
the processing system of fuel vapor to temporarily absorb the fuel vapors generated inside the combustion chamber, and the supply of absorbed fuel vapor in the intake channel under the action of pressure in the inlet channel, and a means of measuring the rate of formation for measuring the rate of formation, characterizing the rate of vapor generation in the fuel inside the combustion chamber of the engine, and the tool set the target value is the target value of the pressure in the inlet channel is equal to the lower value, the higher the rate of formation of fuel vapor, characterized by the measured velocity image is found.

17. The management system 14, characterized in that the motor is used as the source of the driving force of the vehicle, the intake channel of the engine as an auxiliary source of power connected to the unit auxiliary power to compensate for the braking force of the vehicle, and the vehicle target values when the supply of vacuum in the device auxiliary power sets the target value of the pressure in the inlet channel is equal to a lower value than the default of these conditions.

18. The control system according to 17, characterized in that the said means of target values when the supply of vacuum in the device auxiliary power sets the target value of the pressure in the inlet channel is equal to the lower value, the higher the speed of the vehicle.

19. The control system according to claim 11, characterized in that the engine includes a throttle mechanism for changing the opening degree of the throttle valve and the mechanism for regulating the height of the valves to change the elevation of the intake valve, the control variables represent the pressure in the intake channel of the engine and the amount of intake air, the control input signals represents the t of a reference value of the degree of opening for regulating the degree of opening of the throttle and control the value of height to adjust the height of lift of the intake valve, parameter operating state represents the number of revolutions of the motor shaft, and said means of calculation unrelated input signals, calculates unrelated input signals in accordance with the number of revolutions of the motor shaft and at least one of: the control values and the input control signals.

20. The control system of claim 10, wherein the engine includes a device EGR to change the amount of recirculated exhaust gas and a compressor to change the charge pressure, the control variables represent the amount of recirculated exhaust gas and charge pressure, and the input control signals represent the reference value of the quantity of recirculated exhaust gas to control the amount of recirculated exhaust gas through the device EGR and control the charge pressure for regulating the charge pressure using the compressor.

21. The control system according to claim 11, characterized in that the engine includes a turbocharger system for changing the charge pressure, one of the control variables is the boost pressure, one of the input control signals is a reference value of the charge pressure on the I of the regulation of the charge pressure using the system of the turbocharger, parameter operating state represents the pressure in the outlet port of the engine, and said means of calculation unrelated input signals, calculates the reference value of the charge pressure as one of the disconnected input signals in accordance with the pressure in the outlet port of the engine and at least one of: the control values and the input control signals.

22. The control system according to claim 11, characterized in that the engine includes a supercharger to change the charge pressure and the mechanism of regulation of opening or closing the valve to change the opening or closing of the inlet valve, one of the control variables is the boost pressure, one of the input control signals is a reference value of the charge pressure for regulating the charge pressure using the compressor, setting the operational state represents the moment of opening or closing of the inlet valve, and said means of calculation unrelated input signals, calculates the reference value of the charge pressure as one of the disconnected input signals in accordance with the opening or the closing of the inlet valve and at least one of: the control values and the input control signals.
The priority is for items:

02.11.2004 - claims 1 to 9;

05.11.2004 - p-22.



 

Same patents:

FIELD: engines and pumps.

SUBSTANCE: proposed engine comprises cetane number determination device that includes the appliance of determining engine crankshaft angular speed. Amplitude of angular speed makes a standard criterion of cetane number estimation and is set proceeding from engine rpm and amount of injected fuel. Variation in angular speed amplitude defined by aforesaid device is compared with standard magnitude. Additionally, the engine comprises: device to determine engine load, engine rpm determination device, device to determine the amount of injected fuel that calculates at least one amount of injected fuel, the number of fuel injection and fuel injection pressure with respect to standard fuel proceeding from load determined by aforesaid devices, and fuel injection correction device to correct the amount of injected fuel after the amount has been determined, the fuel injection number if the latter has been determined, and fuel injection pressure is it has been determined proceeding from cetane number determined by the device of determining said number. In compliance with another version, the engine comprises additionally variable-capacity blower to vary back pressure or boost pressure, and boost pressure control device that controls back pressure or boost pressure proceeding from cetane number as determined by appropriate device.

EFFECT: invention allows revealing and controlling fuel injection proceeding from revealed variation in cetane number.

8 cl, 12 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed engine comprises mechanism (B) to provide for variable synchronisation and control the opening of inlet valve 7 and mechanism (A) to provide for variable compression ratio and vary mechanical compression ratio. To produce required output torque at increasing atmospheric pressure, the moment of inlet valve opening is set to approximate to that of passing intake stroke DTC and mechanical compression ratio is decreased.

EFFECT: possibility to control temperature at intake stroke termination.

19 cl, 18 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed system comprises fuel pump, fuel tank, thermal machine control component, booster valve, safety valve and booster valve. Said system additionally incorporates: first fuel metre to measure fuel temperature at high-pressure pumps inlets, second metre to measure output of thermal machine, third metre to measure temperature of fuel bled from fuel tank by fuel pump, two-way bypass valve arranged between fuel gas heater and exhaust manifold, first, second and third setpoint adjusters and first, second and third comparators. Third comparator is connected with third metre and third setpoint adjuster. Second comparator is connected with second metre and second setpoint adjuster. First comparator is connected with first metre. First setpoint adjuster, second and third comparators and two-way bypass valve drive. First metre, first setpoint adjuster, and two-valve bypass valve with drive make temperature controller that regulates temperature in compliance of current temperature deviation from preset temperature. Second metre, second setpoint adjuster, and two-valve bypass valve with drive make temperature controller that regulates temperature in compliance with thermal machine power output disturbance (first disturbance). Third metre, third setpoint adjuster, third comparator and two-valve bypass valve with drive make temperature controller that regulates temperature in compliance with current temperature of fuel bled from fuel tank (second disturbance). Functions of first, second and third setpoint adjusters, first, second and third comparators are fulfilled by microprocessor controller that ensure required static and dynamic operating parametres of proposed system in compliance with programmed algorithms.

EFFECT: higher fuel efficiency.

3 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed system comprises fuel pump, fuel heater, thermal machine control component, booster valve, thermal machine coolant cooler and coolant pump. Said system additionally incorporates: first fuel metre to measure fuel temperature at high-pressure pumps inlets, second metre to measure output of thermal machine, third metre to measure temperature of fuel bled from fuel tank by fuel pump, two-way bypass valve arranged between fuel heater and coolant cooler; first, second and third setpoint adjusters and first, second and third comparators. Third comparator is connected with third metre and third setpoint adjuster. Second comparator is connected with second metre and second setpoint adjuster. First comparator is connected with first metre. First setpoint adjuster, second and third comparators and two-way bypass valve drive. First metre, first setpoint adjuster, and two-valve bypass valve with drive make temperature controller that regulates temperature in compliance with current temperature deviation from preset temperature. Second metre, second setpoint adjuster, and two-valve bypass valve with drive make temperature controller that regulates temperature in compliance with thermal machine power output disturbance (first disturbance). Third metre, third setpoint adjuster, third comparator and two-valve bypass valve with drive make temperature controller that regulates temperature in compliance with current temperature of fuel bled from fuel tank (second disturbance) Functions of first, second and third setpoint adjusters, first, second and third comparators are fulfilled by microprocessor controller that ensure required static and dynamic operating parametres of proposed system in compliance with programmed algorithms.

EFFECT: higher fuel efficiency.

3 dwg

FIELD: engines and pumps.

SUBSTANCE: invention relates to ICE spark failure identifier, vehicle with such identifier and method to identify ICE spark failure. ICE spark failure identifier comprises: turn position determination assembly, assembly to calculate rpm at singular turn angle or assembly to calculate angular speed at singular turn angles and assembly to identify spark failures. Assembly to identify spark failures reveals if ICE cylinders are subjected to spark failure conditions by procedures intended for identification of ICE spark failures. Procedures intended for identification of ICE spark failures comprise first and second procedures. First procedures are used in case ICE drive point (rpm Ne and torque Te) does not belong in rear section resonance region (s120). Second procedures are used in case ICE drive point (rpm Ne and torque Te) belong in rear section resonance region (s130). First procedures proceed from rpm irregularity at singular turn angle or angular speed irregularity at singular turn angles. Second procedures proceed from rpm irregularity at singular turn angle or angular speed irregularity at singular turn angles after filtration. Filtration is performed by HF filters. Vehicle comprises multi-cylinder ICE, rear part and spark failure identifier. Rear part is mounted on semi-axle side via damper. Spark failures are revealed by first or second procedure for rpm at singular turn angles.

EFFECT: higher accuracy and validity of determination.

35 cl, 20 dwg

FIELD: automotive industry.

SUBSTANCE: invention relates to automotive control instrumentation. Proposed control instrument controls the device incorporated with the vehicle to generate setting for vehicle device, control the latter using said setting and settle conflicts between several settings for one device. In the case of conflict, at least one of two settings is expressed in units other than those of another setting. Control instrument converts physical magnitudes of settings to unify units. Prior to converting physical magnitude of setting, the latter is memorised by control instrument. Conflict settled and setting required inverse conversion of physical magnitude, control instrument outputs memorised setting to make a device setting. Said device can made a vehicle traction force source. In setting generation, first and second settings are generated. First setting is base don driver manipulations (S100). Second setting is not based on driver manipulations. When engine makes the vehicle traction force source, first setting "a" is expressed in torque units (S200). Second setting "A" is expressed in traction force units (S400). On converting physical magnitudes, conversion into units of traction forces (S500) is carried out. First setting "a" (S300) is memorised. If first setting is selected after conflict settling (no S600), memorised first setting "a" (S900) is set for the engine.

EFFECT: better vehicle controllability.

3 cl, 3 dwg

FIELD: engines and pumps.

SUBSTANCE: automatic combined microprocessor-based temperature controller incorporated with the vehicle power plant comprises AC current source, control element with temperature pickup, two identical induction motors with phase rotors and stator windings connected to electric power source. Rotor windings are connected in series via resistors; rotor and stator shafts are linked up with cooling fan shaft. Rotary stator of one of the induction motors is linked up with control element. Proposed device additionally comprises power plant output pickup, ambient cooling air temperature pickup and stator turn angle pickup connected to microprocessor controller inputs. Induction motor stator turning mechanism is connected to one of the controller outputs. Saturation throttle operating windings (magnetic amplifiers) are connected parallel to resistors that connect induction motor rotor windings, control windings of the former being connected to the second output of microprocessor controller via control unit. In compliance with another version of the temperature controller, induction motor rotor windings are connected in series via emitter-collector junctions of the transistors with their bases and emitters connected to aforesaid second output of microprocessor controller control transistor control unit.

EFFECT: automatic combined microprocessor-based temperature controller incorporated with the vehicle power plant.

2 cl, 5 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed invention relates to devices designed to define the ICE combustion misses and appropriate methods to this end. This invention proposes the device allowing determining the combustion misses. It determines if the difference Nxd360 of rotation fluctuation exceeds, as the difference between rotation fluctuation Nxd at a certain angle CA of the engine crank turn angle and rotation fluctuation Nxd at CA crank turn angle preceding by 360 degrees the preset reference value A1 (stage S150), and if the rotation fluctuation difference Nxd720 and the difference between the rotation fluctuation Nxd at a certain crank turn angle, exceeds the preset reference value B1 (stage S160). The proposed device allows determining the combustion misses provided all the requirements specified in relations Nja2, Nja3 and Nja4 of rotation fluctuation differences proceeding from the rotation fluctuation difference Nxd360 (stage S200) are met as well as those specified in Njb2, Njb3 and Njb4 proceeding from the rotation fluctuation difference Nxd720 (stage S210), when both differences Nxd360 and Nxd720 exceed reference values A1 and B1 (stages S150 and S160).

EFFECT: higher adequacy and accuracy of determination of combustion misses during warming up of catalyst incorporated with exhaust gas control unit with notable ignition delay.

16 cl, 7 dwg

The invention relates to a method and device control arithmetic logic module (ALM) in the vehicle

The invention relates to the field of automatic system of temperature regulation in cooling systems of power plants vehicles

FIELD: engines and pumps.

SUBSTANCE: proposed invention relates to devices designed to define the ICE combustion misses and appropriate methods to this end. This invention proposes the device allowing determining the combustion misses. It determines if the difference Nxd360 of rotation fluctuation exceeds, as the difference between rotation fluctuation Nxd at a certain angle CA of the engine crank turn angle and rotation fluctuation Nxd at CA crank turn angle preceding by 360 degrees the preset reference value A1 (stage S150), and if the rotation fluctuation difference Nxd720 and the difference between the rotation fluctuation Nxd at a certain crank turn angle, exceeds the preset reference value B1 (stage S160). The proposed device allows determining the combustion misses provided all the requirements specified in relations Nja2, Nja3 and Nja4 of rotation fluctuation differences proceeding from the rotation fluctuation difference Nxd360 (stage S200) are met as well as those specified in Njb2, Njb3 and Njb4 proceeding from the rotation fluctuation difference Nxd720 (stage S210), when both differences Nxd360 and Nxd720 exceed reference values A1 and B1 (stages S150 and S160).

EFFECT: higher adequacy and accuracy of determination of combustion misses during warming up of catalyst incorporated with exhaust gas control unit with notable ignition delay.

16 cl, 7 dwg

FIELD: engines and pumps.

SUBSTANCE: automatic combined microprocessor-based temperature controller incorporated with the vehicle power plant comprises AC current source, control element with temperature pickup, two identical induction motors with phase rotors and stator windings connected to electric power source. Rotor windings are connected in series via resistors; rotor and stator shafts are linked up with cooling fan shaft. Rotary stator of one of the induction motors is linked up with control element. Proposed device additionally comprises power plant output pickup, ambient cooling air temperature pickup and stator turn angle pickup connected to microprocessor controller inputs. Induction motor stator turning mechanism is connected to one of the controller outputs. Saturation throttle operating windings (magnetic amplifiers) are connected parallel to resistors that connect induction motor rotor windings, control windings of the former being connected to the second output of microprocessor controller via control unit. In compliance with another version of the temperature controller, induction motor rotor windings are connected in series via emitter-collector junctions of the transistors with their bases and emitters connected to aforesaid second output of microprocessor controller control transistor control unit.

EFFECT: automatic combined microprocessor-based temperature controller incorporated with the vehicle power plant.

2 cl, 5 dwg

FIELD: automotive industry.

SUBSTANCE: invention relates to automotive control instrumentation. Proposed control instrument controls the device incorporated with the vehicle to generate setting for vehicle device, control the latter using said setting and settle conflicts between several settings for one device. In the case of conflict, at least one of two settings is expressed in units other than those of another setting. Control instrument converts physical magnitudes of settings to unify units. Prior to converting physical magnitude of setting, the latter is memorised by control instrument. Conflict settled and setting required inverse conversion of physical magnitude, control instrument outputs memorised setting to make a device setting. Said device can made a vehicle traction force source. In setting generation, first and second settings are generated. First setting is base don driver manipulations (S100). Second setting is not based on driver manipulations. When engine makes the vehicle traction force source, first setting "a" is expressed in torque units (S200). Second setting "A" is expressed in traction force units (S400). On converting physical magnitudes, conversion into units of traction forces (S500) is carried out. First setting "a" (S300) is memorised. If first setting is selected after conflict settling (no S600), memorised first setting "a" (S900) is set for the engine.

EFFECT: better vehicle controllability.

3 cl, 3 dwg

FIELD: engines and pumps.

SUBSTANCE: invention relates to ICE spark failure identifier, vehicle with such identifier and method to identify ICE spark failure. ICE spark failure identifier comprises: turn position determination assembly, assembly to calculate rpm at singular turn angle or assembly to calculate angular speed at singular turn angles and assembly to identify spark failures. Assembly to identify spark failures reveals if ICE cylinders are subjected to spark failure conditions by procedures intended for identification of ICE spark failures. Procedures intended for identification of ICE spark failures comprise first and second procedures. First procedures are used in case ICE drive point (rpm Ne and torque Te) does not belong in rear section resonance region (s120). Second procedures are used in case ICE drive point (rpm Ne and torque Te) belong in rear section resonance region (s130). First procedures proceed from rpm irregularity at singular turn angle or angular speed irregularity at singular turn angles. Second procedures proceed from rpm irregularity at singular turn angle or angular speed irregularity at singular turn angles after filtration. Filtration is performed by HF filters. Vehicle comprises multi-cylinder ICE, rear part and spark failure identifier. Rear part is mounted on semi-axle side via damper. Spark failures are revealed by first or second procedure for rpm at singular turn angles.

EFFECT: higher accuracy and validity of determination.

35 cl, 20 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed system comprises fuel pump, fuel heater, thermal machine control component, booster valve, thermal machine coolant cooler and coolant pump. Said system additionally incorporates: first fuel metre to measure fuel temperature at high-pressure pumps inlets, second metre to measure output of thermal machine, third metre to measure temperature of fuel bled from fuel tank by fuel pump, two-way bypass valve arranged between fuel heater and coolant cooler; first, second and third setpoint adjusters and first, second and third comparators. Third comparator is connected with third metre and third setpoint adjuster. Second comparator is connected with second metre and second setpoint adjuster. First comparator is connected with first metre. First setpoint adjuster, second and third comparators and two-way bypass valve drive. First metre, first setpoint adjuster, and two-valve bypass valve with drive make temperature controller that regulates temperature in compliance with current temperature deviation from preset temperature. Second metre, second setpoint adjuster, and two-valve bypass valve with drive make temperature controller that regulates temperature in compliance with thermal machine power output disturbance (first disturbance). Third metre, third setpoint adjuster, third comparator and two-valve bypass valve with drive make temperature controller that regulates temperature in compliance with current temperature of fuel bled from fuel tank (second disturbance) Functions of first, second and third setpoint adjusters, first, second and third comparators are fulfilled by microprocessor controller that ensure required static and dynamic operating parametres of proposed system in compliance with programmed algorithms.

EFFECT: higher fuel efficiency.

3 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed system comprises fuel pump, fuel tank, thermal machine control component, booster valve, safety valve and booster valve. Said system additionally incorporates: first fuel metre to measure fuel temperature at high-pressure pumps inlets, second metre to measure output of thermal machine, third metre to measure temperature of fuel bled from fuel tank by fuel pump, two-way bypass valve arranged between fuel gas heater and exhaust manifold, first, second and third setpoint adjusters and first, second and third comparators. Third comparator is connected with third metre and third setpoint adjuster. Second comparator is connected with second metre and second setpoint adjuster. First comparator is connected with first metre. First setpoint adjuster, second and third comparators and two-way bypass valve drive. First metre, first setpoint adjuster, and two-valve bypass valve with drive make temperature controller that regulates temperature in compliance of current temperature deviation from preset temperature. Second metre, second setpoint adjuster, and two-valve bypass valve with drive make temperature controller that regulates temperature in compliance with thermal machine power output disturbance (first disturbance). Third metre, third setpoint adjuster, third comparator and two-valve bypass valve with drive make temperature controller that regulates temperature in compliance with current temperature of fuel bled from fuel tank (second disturbance). Functions of first, second and third setpoint adjusters, first, second and third comparators are fulfilled by microprocessor controller that ensure required static and dynamic operating parametres of proposed system in compliance with programmed algorithms.

EFFECT: higher fuel efficiency.

3 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed engine comprises mechanism (B) to provide for variable synchronisation and control the opening of inlet valve 7 and mechanism (A) to provide for variable compression ratio and vary mechanical compression ratio. To produce required output torque at increasing atmospheric pressure, the moment of inlet valve opening is set to approximate to that of passing intake stroke DTC and mechanical compression ratio is decreased.

EFFECT: possibility to control temperature at intake stroke termination.

19 cl, 18 dwg

FIELD: engines and pumps.

SUBSTANCE: proposed engine comprises cetane number determination device that includes the appliance of determining engine crankshaft angular speed. Amplitude of angular speed makes a standard criterion of cetane number estimation and is set proceeding from engine rpm and amount of injected fuel. Variation in angular speed amplitude defined by aforesaid device is compared with standard magnitude. Additionally, the engine comprises: device to determine engine load, engine rpm determination device, device to determine the amount of injected fuel that calculates at least one amount of injected fuel, the number of fuel injection and fuel injection pressure with respect to standard fuel proceeding from load determined by aforesaid devices, and fuel injection correction device to correct the amount of injected fuel after the amount has been determined, the fuel injection number if the latter has been determined, and fuel injection pressure is it has been determined proceeding from cetane number determined by the device of determining said number. In compliance with another version, the engine comprises additionally variable-capacity blower to vary back pressure or boost pressure, and boost pressure control device that controls back pressure or boost pressure proceeding from cetane number as determined by appropriate device.

EFFECT: invention allows revealing and controlling fuel injection proceeding from revealed variation in cetane number.

8 cl, 12 dwg

FIELD: engines and pumps.

SUBSTANCE: control system for power plant wherein relationship between multiple control signals and multiple control magnitudes exists comprises appliance to set target magnitudes that make preset magnitudes of appropriate control magnitudes and appliance to calculate no interrelated input signals for computation of control input signals as appropriate no interrelated input signals that resolve interrelation, for tracing control magnitudes of appropriate target magnitudes suing appropriate control algorithm built around the power plant built by simulating power plant as discrete-time system model. Aforesaid control algorithm comprises combination of definite control algorithm with predefined respond and definite independent control algorithm. System claim defines three versions of power plant control system.

EFFECT: better controllability and control accuracy and eliminating interrelation between multiple control input signals and control magnitudes.

22 cl, 39 dwg

FIELD: engines and pumps.

SUBSTANCE: engine comprising angular speed transducer 10 for tracking angular speed of rotation of engine crankshaft 11, torque created by engine transducer for tracking angular speed amplitude difference measured by transducer 10 as variation in torque developed by engine. Engine corrects the amount of injected fuel ob comparing angular speed amplitude tracked angular speed transducer with angular speed amplitude.

EFFECT: tracking torque via engine rotation angular speed amplitude.

15 cl, 11 dwg

Up!