Gm Global Technolgoy Operations, Inc.

Shailendra Kaushik

Taeyoung Han

Bahram Khalighi

Chih-Hung Yen

Kuo-Huey Chen

Alok Warey

Paul Edward Krajewski

Dan V Lascu

Thomas A Seder

Ibrahim Haskara

Chen-fang Chang

Jeffrey A Bozeman

Bharatkumar Hegde

Kenneth L Porrett

Chih-hung Yen

Jerome M Stolicki

Xianxi Jin

Vishal Raul

A passive jet system for disrupting an airflow at a surface of a front wheel for a vehicle includes a duct including an inlet exposed to an airflow, an outlet fluidically directed toward a forward surface of the front wheel, and a passage having a flow-accelerating profile operable to increase a velocity of the airflow passing from the inlet toward the outlet.

Passive jet system arranged at front wheels of a vehicle

A solar loading-based system includes a memory, a disturbance prediction module, a cabin temperature estimation module and a thermal control module. The memory stores a cabin thermal load model of an interior cabin of a host vehicle and a solar load prediction model. The disturbance prediction module: receives signals indicative of states of cabin thermal actuators and comfort metrics; and predicts an effect of solar loading over a known portion of a predicted route including predicting cabin temperatures based on the solar load prediction model, the states of the cabin thermal actuators, and the comfort metrics. The cabin temperature estimation module, based on the cabin thermal load model, determines a first comfort metric based on the predicted cabin temperatures. The thermal control module controls cabin thermal actuators to adjust cabin states, including the first comfort metric, to respective target values based on the predicted effect of solar loading.

Solar-load prediction for vehicular cabin thermal actuator control

Aspects of the disclosure include hybrid thermal management systems configured to control an operating temperature of a liquid crystal on silicon (LCoS) based head-up display (HUD) unit. An exemplary thermal management system can include a liquid crystal on silicon layer and a phase change material on a surface of the liquid crystal on silicon layer. A thermoelectric device is positioned in direct contact with the phase change material and a heat sink is positioned on a surface of the thermoelectric device. The thermal management system can further include a controller configured to adjust a thermoelectric device current of the thermoelectric device responsive to a temperature of the liquid crystal on silicon layer.

Hybrid thermal management for liquid crystal on silicon head-up displays

A seat system includes a seat bottom and a seat back at a rear of the seat bottom. A thermally controlled seat belt includes a lap portion and a shoulder portion. The thermally controlled seat belt can include a porous sleeve that is connected to a seat ventilation system or a vehicle ventilation system. The seat belt can alternatively or additionally include a heating fabric or thermoelectric elements.

Targeted occupant thermal comfort based on seat belt

A heating apparatus is provided. The heating apparatus includes a positive temperature coefficient (PTC) heating element and a power controller configured to generate and apply a pulse width modified signal to the PTC heating element. The power controller is configured to vary a current of the pulse width modified signal linearly with respect to a temperature of a space being heated by the PTC heating element.

Positive temperature coefficient heaters and radiant applications thereof

A control system of a vehicle comprising: i) a plurality of adjustable aerodynamic control devices associated with the vehicle; ii) a fuel economy sensor configured to determine a first fuel economy measurement; and iii) an aerodynamic device controller module configured to adjust a first one of the plurality of adjustable aerodynamic control devices and to receive from the fuel economy sensor a second fuel economy measurement. The aerodynamic device controller module stores in an onboard database state information corresponding to settings of the plurality of adjustable aerodynamic control devices if the second fuel economy measurement is an improvement over the first fuel economy measurement.

Control system for active aerodynamic devices

A climate control system includes a memory, a compensation module, and a climate control module. The memory is configured to store images captured by one or more image sensors. The compensation module is configured to: based on the images, estimate a clothing level of a first occupant in an interior cabin of a vehicle or receive the clothing level from at least one of an edge computing device or a cloud-based network device; determine a first EHT setpoint; and determine a first resultant EHT based on the clothing level and the first EHT setpoint. The climate control module is configured to: determine a first EHT error based on the first resultant EHT and a cabin temperature setpoint; determine a control value based on the first EHT error; and set climate control parameters to control a temperature of a first zone within the interior cabin based on the control value.

Vehicle climate control system with clothing level compensation

A glass panel apparatus is provided. The glass panel apparatus includes an outer glass pane comprising a low-e coating on a side facing the inner glass pane, an inner glass pane comprising a low-e coating on a side facing the outer glass pane, a gap between the inner glass pane and the outer glass pane, the gap comprising a vacuum, and a heating element configured to heat the inner glass pane.

Glass panel integrated heaters and applications thereof

Systems and methods are provided for radiant heating by PTC radiant patches. A radiant heating system for warming an occupant of an enclosed space includes patches to radiate heat into the enclosed space toward the occupant. A power supply supplies electric power to the patches. A controller controls the electric power supplied to the patches based on a temperature in the enclosed space and locations of the patches within the enclosed space.

PTC radiant heating system and method

Processor-implemented methods and systems for aerodynamically optimizing a design geometry of a vehicle body using a convolutional neural network (CNN) are provided. The method may include receiving a signed distance function (SDF) data file that represents the design geometry of the vehicle body. The method includes receiving a range of inflow boundary conditions. The processor processes the SDF over the range of boundary conditions, using the CNN, to generate therefrom drag and lift outputs for the design geometry. The drag and lift outputs may be displayed in the form of one or more intensity maps.

Tools and methods for aerodynamically optimizing the geometry of vehicle bodies

A vehicle a sensor system disposed adjacent to a headrest portion of a seat within a passenger compartment of the vehicle. The sensor system includes at least one of an air velocity sensor, an air temperature sensor, a radiant heat flux sensor, a heat flux sensor, or a humidity sensor. The sensor system is positioned near the headrest, facing a forward end of the vehicle, in a position that is not blocked by a head of a passenger seated in the seat. The sensor system provides data related to the air velocity, the air temperature, the radiant heat flux, the heat flux, or the relative humidity, enabling a climate controller to accurately calculate a current Equivalent Homogenous Temperature (EHT) of a passenger seated in the seat. The climate controller may then control a climate system of the vehicle based on the calculated EHT to provide a desired EHT.

Vehicle with thermal comfort sensor for cabin climate control

Methods and systems are provided for personalized controlling of an air temperature in a vehicle. A computer implemented method for personalized controlling of an air temperature in a vehicle comprises determining, by a processor, a current temperature condition in the vehicle, wherein the current temperature condition in the vehicle is determined based on at least a temperature value that is representative for a current thermal environment in a compartment of the vehicle. The processor further determines a basal metabolic rate that is associated with a person located in the compartment of the vehicle and controlling, by the processor, a desired air temperature in the vehicle, wherein the desired air temperature is controlled based on the determined current temperature condition in the vehicle and the determined basal metabolic rate.

Method and system for personalized thermal comfort of occupants in a vehicle and vehicle implementing the method

An adaptive radiant heating system regulates a climate inside a motor vehicle cabin having a seat for a vehicle occupant. The system includes radiant heating tiles arranged proximate the seat and powered by an energy storage device. The system also includes a first sensor for detecting a position of the occupant and generating a first signal indicative thereof. The system additionally includes a second sensor for detecting a temperature within the cabin and generating a second signal indicative thereof. The system furthermore includes an electronic controller in operative communication with the tiles and the first and second sensors, and configured to regulate the climate proximate the seat via selective control of the tiles. The controller is configured to receive the first and second signals and activate at least one of the tiles in response to the first and second signals, to thereby regulate the climate proximate the seat.

Adaptive radiant heating for a vehicle

A method of regulating thermal comfort of an occupant of a vehicle cabin uses a radiant heating tile powered via an energy storage device to generate thermal energy. The method also includes detecting the occupant's position via a position sensor and detecting the occupant's surface temperature and detecting a temperature of the tile via at least one temperature sensor. The method additionally includes determining, via an electronic controller, a rate of change of occupant's surface temperature and a difference between the tile temperature and the occupant's surface temperature relative to a predetermined temperature set-point. The method further includes regulating, via the electronic controller, a power input from the energy storage device to the tile in response to the determined rate of change of the surface temperature and the determined difference between the tile temperature and the occupant's surface temperature to thereby regulate the occupant's surface temperature.

Adaptive radiant heating system and method for achieving vehicle occupant thermal comfort

An air-delivery system, for use in a vehicle. The system includes a backrest of a vehicle seat assembly and an air-delivery port connected to or integral to the backrest. The system also includes an input conduit connected to the air-delivery port for delivering air received from an air source to the air-delivery port. The air-delivery port is configured and arranged in the backrest facing a generally aft direction to, during operation of the system, deliver air received from the air source aftward from the backrest.

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Novi, MI, United States of America

Shailendra Kaushik