Method and system to control vehicle multi-engine power plant

FIELD: transport.

SUBSTANCE: power plant is controlled by preset travel speed and conditions setters. The latter generate signals on defining rated travel speed and power plant output in running along preset route. Parametres defining response of power plant to preset magnitudes of controlled parametres, serviceability, operating conditions and power plant actual state are estimated. Results of the analysis allows configuring power plant and calculating preset magnitudes of controlled parametres. Parametres are corrected with respect to actual vehicle speed. Then they are optimised allowing for response of power plant to preset magnitudes of controlled parametres, serviceability, operating conditions and power plant actual state. Aforesaid allowed for, optimum control effects are generated to control power plant and its actuators.

EFFECT: optimum, faultless and safe control over vehicle power plant.

2 cl, 1 dwg

 

The invention relates to the field of automation of the power plant vehicles, in particular to methods and devices control multi-engine propulsion systems installed in vehicles, for example on ships.

The known method and control system the main ship engine copyright certificate №385825 (published 14.06.1973) and the method and apparatus control the power unit of the vehicle on the author's certificate No. 2264549 (published 20.11.2005), allowing, in addition to agreeing asked and given values, to agree on a related qualitative or characterize some properties of the parameters and/or to take them into account when converting to control actions to control the power unit, which are analogues of the proposed method and device.

The known method and system for managing multi-engine power plant of the vehicle (prototype) copyright certificate №612849 (published 30.06.1978). The method of controlling multi-engine power plant of the vehicle, for example a vessel, provides control of the power plant, which is produced from a manual setting device modes of operation of each engine multi-engine power plant or from one of them through a summing device p is the next generation of jobs modes of the engines when they work together and correction of a common control signal depending on the error of the actual and the commanded speed of the vessel.

The control system of multi-engine power plant of the vehicle, for example a vessel, (the prototype) contains installed on the remote Adjuster remote control, adding devices, proportional-integral corrector, switch automated and remote control modes power plant, the information-gathering device, control parameters and determining the readiness and the actual status of the power plant, the sensors of the power plant parameters and gauge the speed of the vehicle, while the outputs of the control devices remote control is connected to the second input of the switch automated and remote control modes power unit, the second input of the proportional-integral corrector connected to the sensor of the speed of the vessel, the outputs sensor power plant parameters associated with the device inputs information gathering, control parameters, the readiness and the actual status of the power plant.

However, this system does not carry out the method of forming the set of values of the adjustable parameters of the multi-engine powerplant, does not generate the optimal configuration of the power plant depending on its availability and the actual state, does not provide optimal control re wireimage parameters in accordance with predetermined values of the parameters, characterizing the response of a power plant on the set values of the adjustable parameters, the valid modes of operation and the condition of the power plant. Considering the above control system multi-engine power plant of the vehicle (prototype) copyright certificate №612849 does not provide the vehicle with predetermined values assigned to the speed and mode of movement that does not provide the required accuracy of the schedule of movement of vehicles on a given route.

Based on the foregoing, the present invention proposes measures that allow for the movement of the vessel with the given values assigned to the speed and mode of traffic on a given route, providing the required accuracy of the schedule of movement of vehicles on a given route.

To solve this problem based on the destination of the vehicle and tasks, route and navigational conditions in the method of controlling multi-engine power plant of the vehicle, such as a vessel, in which control power plant produced from the manual setting device modes each of the engines of the power plant or from one of them through a summing device with the subsequent formation set the nd modes of the engines when they work together and correction of a common control signal depending on the error of the actual and the commanded speed of the vessel, proposed management of the power plant, which produces from the Adjuster assigned speed and the generator mode of the vehicle movement, the commands which determine the rated speed and the rated power of the power unit of the vehicle when driving on a given route, estimating the parameters that define the response of the power plant on the set values of the adjustable parameters, the readiness, operation modes and the actual state of the power plant, the results of the analysis which form the optimal configuration of the power plant and calculate the set values of the adjustable parameters, which adjust the actual values of the speed of the vehicle, and then optimize based on the actual parameters of the power plant, determining the reaction of the power plant on the set values of the adjustable parameters, the readiness, operation modes and the actual state of the power plant, taking into account this form of the optimal control actions on the parameter controls and actuators, propulsion, providing optimum, trouble-free and safe operation of the vehicle and power unit when driving with an assigned speed and mode of traffic on a given route.

For implementing the tion method proposed in the multi-motor control system of ship propulsion, having installed on the remote Adjuster remote control, adding devices, proportional-integral corrector set values of the adjustable parameters of the power plant, the automated switch and remote control modes power plant, the information-gathering device, control parameters, the readiness and the actual status of the power plant, the sensors of the power plant parameters and gauge the speed of the vehicle, while the outputs of the control devices remote control is connected to the second input of the switch automated and remote control modes power unit, the second input of the proportional-integral corrector connected to the sensor of the speed of the vessel, the outputs of the sensors of the power plant parameters associated with the device inputs information gathering, control parameters, the readiness and the actual status of the power unit, enter the unit assigned speed, unit movement mode (in percentage assigned speed), the setting device rated speed and rated power of the power unit (depending on the assigned speed and the specified driving mode), the device forming the optimal configuration of the power plant and set values regulated by the parameters of the power plant, the device optimal control adjustable parameters in accordance with predetermined values of the parameters that define the operating modes and status of the power plant (the reaction of the power plant on the set values of the adjustable parameters, readiness), and the outputs of the Adjuster assigned to the speed and mode of movement is connected to the first and second inputs of the device job rated speed and rated power of the power unit, the first and second inputs of the device forming the optimal configuration of the power plant and the set values of the adjustable parameters of the power plant are connected with the outputs of the device specify the estimated speed of the vehicle and the estimated capacity of the power unit and the device information collection, control parameters, the readiness and the actual status of the power plant, respectively, and its output connected to the first input of the summing device, the second input is connected with the output of the proportional-integral of the offset set values of the adjustable parameters of the power plant, the first and second inputs which, in turn, is connected to the second output job, the estimated speed of the vessel and the estimated capacity of the power unit and to the output of the speed sensor, respectively, output the summing device is connected to the first input of the optimal control adjustable parameters in accordance with predetermined values of the parameters, define the valid operating modes and status of the power unit, the second input is connected with the output device information collection, control parameters, the readiness and the actual status of the power unit, and the output through the switch of automated and remote control modes power unit connected to the inputs of the controllers parameters and actuators of the power unit, the second input switch automated and remote control modes power unit connected with the control devices remote control, the outputs of the sensors of the power plant parameters associated with the device inputs information gathering, control parameters, the readiness and the actual status of the power plant.

The drawing shows a diagram of the system control multi-engine power plant of the vehicle, for example, of a vessel.

The system contains installed on the remote 1 unit remote control 2, unit assigned speed 3, unit movement mode 4 made, for example, on the keypad the keyboard, the setting device of the estimated speed of the vessel and the estimated capacity of the power unit 5, the data collection device, control parameters, the readiness and the actual status of the power unit 6, the processing unit optimal Conf the configuration of the power plant and the set values of the adjustable parameters of the power unit 7, implemented, for example, on the upper-level computer (command computer using, for example, the QNX operating system), proportional-integral corrector set values of the adjustable parameters of the power unit 8, a summing device 9, the device optimal control adjustable parameters in accordance with predetermined values of the parameters that define the operating modes and status of the power plant 10, implemented on a computer of the lower level (Executive computer using, for example, the QNX operating system), an automated switch and remote control modes power unit 11, the sensor parameters of the power unit 12 (for example, temperature sensors, pressure), the speed sensor 13. The outputs of the Adjuster assigned to the speed of the vessel 3 and the driving mode 4 is connected to the first and second inputs of the device job rated speed and rated power of the power unit 5, the first and second inputs of the device forming the optimal configuration of the power plant and the set values of the adjustable parameters of the power unit 7 are connected with the outputs of the device job rated speed and rated power of the power unit 5 and the collecting device information, control parameters, the readiness and the actual status of the power mouth is ovci 6, respectively, and its output connected to the first input of the summing device 9, the second input is connected with the output of the proportional-integral of the offset set values of the adjustable parameters of the power unit 8, the first and second inputs which, in turn, is connected to the second output device job rated speed and rated power of the power unit 5 and to the output of the speed sensor 13, respectively, the output of the summing device 9 is connected with the first input of the optimal control adjustable parameters in accordance with predetermined values of the parameters that define the operating modes and status of the power plant 10, the second input is connected with the output of gathering information, verification of readiness and the actual status of the power unit 6 and the output through the switch of automated and remote control modes 11 is connected to the inputs of the controllers parameters and actuators multi-engine power plant 14, the second input switch automated and remote control modes power unit 11 is connected to control devices remote control 2, the outputs of the sensors parameters of the power unit 12 are connected to the inputs of the device information collection, control parameters, the readiness and the actual SOS the sustainability of the power plant 6.

When moving along a given route in accordance with the purpose and tasks of the vehicle, is installed on the remote control 1 knob assigned speed 3 enter a value assigned speed, and with the help of unit movement mode 4 set the mode of motion of the vehicle in shares of the assigned speed. Thus, sets the driving mode of the vehicle on the route based on the destination of the vessel, navigation conditions, the nature of the task and other factors affecting the quality and reliability of its implementation.

In accordance with the predetermined values assigned to the speed and mode of movement of the vehicle by the setting device of the estimated speed of the ship and calculated values of the power of the power unit 5 is determined by the rated speed and required for execution of a given mode output of the power unit. The information-gathering device, control parameters, the readiness and the actual status of the power unit 6 determines the parameters characterizing the response of a power plant on the set values of the adjustable parameters, the readiness and the actual state of the power plant. On the basis of the analysis parameters and the actual status of the power plant, its readiness ACC is accordance with the designated speed and the rated capacity of the device 7 is formed of an optimal configuration of the power plant and are determined by the set values of the adjustable parameters of the power plant, which are adjusted proportional-integral offset set values of the adjustable parameters of 8 depending on the deviation of the actual speed measured by the speed sensor 13, the estimated value determined by the setting device rated speed and rated power of the power unit 5. Correction is performed by a summing device 9. Adjusted set values of the adjustable parameters of the power plant are fed into the device optimal control adjustable parameters in accordance with predetermined values of the parameters that define the response of the power plant on the set values of the adjustable parameters, the allowed modes and status of the power plant 10, which provides optimum matching of values of the parameters of the power plant with the specified parameters and generated optimal control actions on the parameter controls and actuators of the power unit 14 through the switch of automated and remote control modes power unit 11 (management can be done with control devices remote control 2)providing optimal, trouble-free and safe operation the vehicle 15 (with PA is amerov power plant is coming to the sensors parameters of the power plant 12), the movement of the vehicle with the given values assigned to the speed and mode of movement, while providing the required accuracy of the schedule of movement of vehicles on a given route.

1. The method of controlling multi-engine power plant of the vehicle, where the management of power plant produced from the manual setting device modes of operation of each engine multi-engine power plant or from one of them through a summing device with the subsequent formation of task modes of the engines in their work and correction of a common control signal depending on the actual error and the specified speed of the vehicle, characterized in that the control of the power plant produced from the Adjuster assigned speed and the generator mode of the vehicle movement, the commands which determine the rated speed and the rated power of the power unit of the vehicle when driving on a given route evaluate the parameters that define the response of the power plant on the set values of the adjustable parameters, the readiness, operation modes and the actual state of the power plant, the results of the analysis which form the optimal configuration of the power installation and calculate the set values of the adjustable parameters, which is correct on the actual values of the speed of the vehicle and then optimize based on actual power plant parameters that define the response of the power plant on the set values of the adjustable parameters, the readiness, operation modes and the actual state of the power plant, taking into account this form of the optimal control actions on the parameter controls and actuators, propulsion, providing optimum, trouble-free and safe operation of the vehicle and power unit when driving with an assigned speed and mode of traffic on a given route.

2. The control system of multi-engine power plant of the vehicle containing installed on the remote Adjuster remote control, adding devices, proportional-integral corrector set values of the adjustable parameters of the power plant, the automated switch and remote control modes power plant, the information-gathering device, control parameters, the readiness and the actual status of the power plant, the sensors of the power plant parameters and gauge the speed of the vehicle, while the outputs of the control devices remote control connected what about the second input of switch automated and remote control modes power plant, second input of the proportional-integral corrector connected to the sensor of the speed of the vehicle, the outputs of the sensors of the power plant parameters submitted to the inputs of the device information collection, control parameters, the readiness and the actual status of the power plant, characterized in that it contains unit assigned speed, unit movement mode (in percentage assigned speed), the setting device rated speed and rated power of the power unit (depending on the assigned speed and the specified driving mode), the device forming the optimal configuration of the power plant and the set values of the adjustable parameters of the power plant, the device optimal control adjustable parameters in accordance with the preset values of the parameters that define the operating modes and status of the power plant (the reaction of the power plant on the set values of the adjustable parameters, readiness), and the outputs of the Adjuster assigned to the speed and mode of movement is connected to the first and second inputs of the device job rated speed and rated power of the power unit, the first and second inputs of the device forming the optimal configuration of the power plant and the set values of the adjustable PA is amerov power plant connected to the outputs of the device specify the estimated speed of the vehicle and the estimated capacity of the power unit and the device information collection, control parameters, the readiness and the actual status of the power plant, respectively, and its output connected to the first input of the summing device, the second input is connected with the output of the proportional-integral of the offset set values of the adjustable parameters of the power plant, the first and second inputs which, in turn, is connected to the second output job, the estimated speed of the vehicle and the estimated capacity of the power unit and to the output of the speed sensor, respectively, the output of summing device filed at the first input of the optimal control adjustable parameters in accordance with predetermined values of the parameters that define the operating modes and status of the power installation, the second input is connected with the output device information collection, control parameters, the readiness and the actual status of the power unit, and the output through the switch of automated and remote control modes power unit connected to the inputs of the controllers parameters and actuators multi-engine power plant, the second input switch automated and remote control modes power unit connected with the control devices, remote control outputs mitchiko the parameters of the power plant is applied to terminals of the device information collection, control parameters, the readiness and the actual status of the power plant.



 

Same patents:

FIELD: transport; shipbuilding.

SUBSTANCE: device contains magnetoelastic torque transducer consisting of two magnetoelastic converters located at opposite sides of propeller shaft and made with test coils. Transducer is capable of measuring mechanical stress caused by torsional oscillations and constant component of torque. There is compensation circuit of zero signal and automated remote control system for main engine of vessel's power plant. Apart from it, device has synchronous detector, lower frequencies filter, upper frequencies filter, and threshold devices.

EFFECT: increase of reliability and efficiency of vessel's power plant at expense of prevention of operation of diesel in sphere of mechanical stress from torsional oscillations exceeding preset value and its protection from overload.

1 dwg

FIELD: shipbuilding; remote control of shipboard engines.

SUBSTANCE: proposed panel has control stick made integral with gear thrown into engagement with toothed rack to which one end of rope is secured; rope is connected with fuel supply lever. Gear has taper hole for fitting it on cone of supporting axle and pressing it by means of spring.

EFFECT: stepless locking of fuel supply control stick.

2 dwg

The invention relates to shipbuilding, in particular to remote actuators and control systems for marine engines, mainly marine gas turbine engines

The invention relates to shipbuilding, in particular, to the automatic control and diagnostics of technical condition of the propulsion system of the ship, including the engine, gearbox, clutch, line shaft, propeller

FIELD: shipbuilding; remote control of shipboard engines.

SUBSTANCE: proposed panel has control stick made integral with gear thrown into engagement with toothed rack to which one end of rope is secured; rope is connected with fuel supply lever. Gear has taper hole for fitting it on cone of supporting axle and pressing it by means of spring.

EFFECT: stepless locking of fuel supply control stick.

2 dwg

FIELD: transport; shipbuilding.

SUBSTANCE: device contains magnetoelastic torque transducer consisting of two magnetoelastic converters located at opposite sides of propeller shaft and made with test coils. Transducer is capable of measuring mechanical stress caused by torsional oscillations and constant component of torque. There is compensation circuit of zero signal and automated remote control system for main engine of vessel's power plant. Apart from it, device has synchronous detector, lower frequencies filter, upper frequencies filter, and threshold devices.

EFFECT: increase of reliability and efficiency of vessel's power plant at expense of prevention of operation of diesel in sphere of mechanical stress from torsional oscillations exceeding preset value and its protection from overload.

1 dwg

FIELD: transport.

SUBSTANCE: power plant is controlled by preset travel speed and conditions setters. The latter generate signals on defining rated travel speed and power plant output in running along preset route. Parametres defining response of power plant to preset magnitudes of controlled parametres, serviceability, operating conditions and power plant actual state are estimated. Results of the analysis allows configuring power plant and calculating preset magnitudes of controlled parametres. Parametres are corrected with respect to actual vehicle speed. Then they are optimised allowing for response of power plant to preset magnitudes of controlled parametres, serviceability, operating conditions and power plant actual state. Aforesaid allowed for, optimum control effects are generated to control power plant and its actuators.

EFFECT: optimum, faultless and safe control over vehicle power plant.

2 cl, 1 dwg

FIELD: transport.

SUBSTANCE: invention relates to ship building, particularly, to control systems for propulsors including those with adjustable-pitch screw, jet propellers with reversing steering device consisting of rudders and rums, and vane propellers. Control system comprises setting device, comparator, two amplifiers, working fluid constant-flow rate slide valve and device to vary rate of working fluid feed into actuator. Besides, system additionally incorporates device to load turn angle variation rate.

EFFECT: reliable control over turn angle variation rate.

1 dwg

FIELD: power engineering.

SUBSTANCE: data on the state and IEPS parameters and that on screw propeller drive and other consumers and ship navigation conditions are processed to calculate forecast load variation. Starting including forestalling, outage and actuation for parallel operation of generators are controlled with die allowance for their required quantity sufficient for supporting of IEPS operation, ship motion control parameters and navigation conditions. Minor consumers ON/OFF control is executed to ensure the efficient operation of generator units and higher quality of supply voltage. Dynamics of acceleration and deceleration of screw propeller and its drive is controlled subject to ship motion, navigation conditions, current and forecast electric power and quality parameters. Dynamics of turn of steering house, if any, is controlled depending on generated and forecast power of generator units.

EFFECT: fuel savings, fast response and manoeuvrability, higher energy quality.

1 dwg

FIELD: transportation.

SUBSTANCE: system to control a mechanical plant of a vessel comprises two autonomous lines to control engines of the right and left boards accordingly. The autonomous control line comprises a setting control unit, a control unit, logical elements OR, AND and NOT, three amplifiers, main and auxiliary electrohydraulic converters of channels "more" and "less", accordingly, an actuating mechanism with a control lever, an end switch of idle run, an electromagnet of emergency engine shutdown, a feedback sensor connected in a certain manner.

EFFECT: emergency-free operation of vessel engines.

1 dwg

Up!