8 results about "Operating limit" patented technology

Systems (10), program products, and methods for adjusting operating limit (OL) thresholds (144B, 144D) for compressors (12) of gas turbine systems (11) based on mass flow loss (130) are disclosed herein. The systems (10) may include at least one computing device (100) in communication with the gas turbine system (11), sensor(s) (106) measuring operational characteristic(s) of the gas turbine system (11), and a pressure sensor (104) measuring an ambient fluid (20) pressure surrounding the gas turbine system (11). The computing device(s) (100) may be configured to adjust operational parameters of the gas turbine system (11) by performing processes including determining a mass flow loss (130) between an estimated, first mass flow rate (124) and a calculated, second mass flow rate (128) for the compressor (12) of the gas turbine system (11), and adjusting an OL threshold (144, 144A, 144C) for the compressor (12) of the gas turbine system (11) based on the mass flow loss (130). The OL threshold (144, 144A, 144C) for the compressor (12) may be below a predetermined surge threshold (140) for the compressor (12).

The present invention relates to a control method for implementation by a control unit of a motor vehicle (100) with an internal combustion engine, which is configured to bring about an operating restriction of the internal combustion engine in a predetermined operating state by means of a control system, wherein the operating restriction prevents an exceedance of predetermined operating limits during the predetermined operating state, comprising In the event of a predefined operating state, check whether a bridging state, triggered by a predefined operating action of a vehicle user, exists, and, if the bridging state exists, check whether a failure to bring about or a lifting of the operating restriction is present, and for a duration of the simultaneous presence of the previously defined operating state and the bridging state, generating a temporary signal (103a) in a passenger compartment of the motor vehicle (100). The invention further relates to a control unit for carrying out the control method according to the invention as well as a motor vehicle (100) with an internal combustion engine and the control unit according to the invention.

Clutch-to-clutch transmission monitoring system (10) for a motor vehicle (12), comprising: control software (30) that generates a control signal (46); a monitor (22, 24, 26, 28) in communication with the control software (30); and a pre-calculation monitor (32) in communication with the control software (30), the pre-calculation monitor (32) receiving input data (40, 64, 82, 100) different from the control signal and outputting an operating threshold signal (44, 66, 84, 102) to the control software (30), the operating threshold signal defining permissible operating limits for at least one component in communication with the monitor; characterized in that the pre-calculation monitor (32) determines the operating threshold signal based on a driver request or a PRNDL (Park - Reverse - Neutral - Drive - Low) position; wherein the clutch-to-clutch transmission monitoring system further comprises a post-calculation monitor (34) in communication with the control software (30) and the pre-calculation monitor (32), the post-calculation monitor (34) receiving both the control signal (46) and the operating threshold signal and for determining whether the control signal (46) exceeds the permissible operating limits defined by the pre-calculation monitor (32); wherein the control software (30) is supplemented by additional software checks, the additional software checks ensuring that the threshold values identified by the operating threshold signal, which were determined by the pre-calculation monitor (32), are not violated.

Engine data processor (1) for setting a load switching reserve (2) for an internal combustion engine, comprising a controller (3) for maintaining at least one torque-limiting operating limit (26), wherein the controller has at least one control target (27), and a load switching reserve module (5) for determining the load switching reserve (2) for at least one torque-limiting operating limit (26), wherein the load switching reserve module (5) is configured to receive a torque setpoint (12), a load switching reserve setpoint (15), at least one operating limit (26) and at least one operating variable (4), and to generate an output signal (10) from the received values ​​(12, 15, 26, 4) and to output the output signal (10) to the controller (3), wherein the controller (3) is configured to adjust the control target (27) taking into account the output signal (10) so that the load switching reserve (2) corresponds to the load switching reserve setpoint (15).and to determine and output at least one control variable (11) for the internal combustion engine.

Vehicles, methods, and non-volatile, computer-readable media for dynamically generating an operating limit are provided. A vehicle comprises a steering actuator and a processing circuit arrangement designed to cause the following vehicle to: determine the position of an obstacle relative to the following vehicle; generate an operating limit of the following vehicle based on the position of the obstacle, the relative position of the following vehicle to a lead vehicle, and the properties of the following and lead vehicles; and control a steering angle of the steering actuator based on the operating limit.

Systems (10), program products, and methods for adjusting operating limit (OL) thresholds (144B, 144D) for compressors (12) of gas turbine systems (11) based on mass flow loss (130) are disclosed herein. The systems (10) may include at least one computing device (100) in communication with the gas turbine system (11), sensor(s) (106) measuring operational characteristic(s) of the gas turbine system (11), and a pressure sensor (104) measuring an ambient fluid (20) pressure surrounding the gas turbine system (11). The computing device(s) (100) may be configured to adjust operational parameters of the gas turbine system (11) by performing processes including determining a mass flow loss (130) between an estimated, first mass flow rate (124) and a calculated, second mass flow rate (128) for the compressor (12) of the gas turbine system (11), and adjusting an OL threshold (144, 144A, 144C) for the compressor (12) of the gas turbine system (11) based on the mass flow loss (130). The OL threshold (144, 144A, 144C) for the compressor (12) may be below a predetermined surge threshold (140) for the compressor (12).

The application discloses a vehicle testing system, a vehicle testing method and a device. The system comprises a vehicle simulation platform configured to receive first data and second data, wherein the first data and the second data are configured to describe force conditions of a longitudinal control system and a lateral control system on a vehicle respectively. The vehicle simulation platform is further configured to input the first data and the second data into a vehicle dynamics model to obtain a longitudinal load and a lateral load. A distributed loading testing system is configured to receive the longitudinal load and the lateral load, load the longitudinal load to the longitudinal control system, load the lateral load to the lateral control system, and monitor an operating state of the vehicle. Through the application, coupling characteristics of a power domain and a chassis domain under a real operating state of a vehicle can be accurately simulated, and tests under unstable boundary conditions and operating limit conditions such as large turning angles and high speeds can be covered.

This document describes systems and techniques for adaptive co-optimization of operating levels of subsystems of a computing device. For example, a system may include a co-optimization manager configured to use an operating profile for a plurality of subsystems of a computing device, the operating profile being configured to facilitate adaptive control of operating levels of each of the plurality of subsystems. A plurality of operating controllers is configured to generate operating limits for the plurality of subsystems based on operating targets and optimization parameters indicated by the operating profile and feedback signals received from the plurality of subsystems. A subsystem control unit is configured to set the operating levels for each of the plurality of subsystems, wherein the operating levels are based on the operating limits received from the plurality of operating controllers subject to adjustment according to the operating profile.