# US 11,993,174 B2 · Systems and methods for identifying modifications to terrain characteristics of a worksite for battery performance

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- Number: US 11,993,174 B2
- Document ID: US11993174B2
- Status: Granted
- Kind: B2
- Application number: 17/553,894
- Filed: 2021-12-17
- Published: 2023-06-22
- Granted: 2024-05-28
- Earliest claimed: 2021-12-17
- Assignees: Caterpillar Inc.
- Applicants: Caterpillar Inc.
- Inventors: Michael D. Braunstein
- Web page: https://patentgrep.com/patent/US11993174B2

## CPC

- B60L 58/13: Maintaining the SoC within a determined range
- B60L 58/16: responding to battery ageing, e.g. to the number of charging cycles or the state of health [SoH]
- G01C 21/34: Route searching; Route guidance
- G01C 21/3461: {Preferred or disfavoured areas, e.g. dangerous zones, toll or emission zones, intersections, manoeuvre types or segments such as motorways, toll roads or ferries}
- G01C 21/3469: {Fuel consumption; Energy use; Emission aspects}
- B60L 2240/62: Vehicle position
- B60L 2250/16: by display
- B60L 2260/16: of electrical drive trains
- B60L 2260/50: by future state prediction
- B60L: PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES (arrangements or mounting of electrical propulsion units or of plural diverse prime-movers for mutual or common propulsion in vehicles B60K1/00, B60K6/20; arrangements or mounting of electrical gearing in vehicles B60K17/12, B60K17/14; preventing wheel slip by reducing power in rail vehicles B61C15/08; dynamo-electric machines H02K; control or regulation of electric motors H02P); SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES (electric coupling devices combined with mechanical couplings of vehicles B60D1/64; electric heating for vehicles B60H1/00); ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL (control or regulation of electric motors H02P); MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- G01C: MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY (measuring liquid level G01F; radio navigation, determining distance or velocity by use of propagation effects, e.g. Doppler effects, propagation time, of radio waves, analogous arrangements using other waves G01S)

## Abstract

Systems and methods can identify or determine one or more of the candidate route segments of a worksite to modify in order to improve battery usage and/or battery health for one or more vehicles upon future traversal of the one or more candidate route segments by the one or more vehicles. The one or more candidate route segments can be identified using terrain data, battery usage data, and/or battery health data. The one or more identified candidate route segments can be output on a display device. Selection of one or more identified candidate route segments can cause display of battery usage improvement information and/or battery health improvement information.

## Claims

### Claim 1

A system for identifying modifications to terrain characteristics of a worksite to improve battery performance of battery electric machines traversing the worksite, the worksite being segmented according to a plurality of predetermined route segments, the system comprising:
a storage device with non-transitory computer-readable memory having stored therein current terrain data for each of the plurality of predetermined route segments and historical battery usage and battery health data associated with each the of the plurality of predetermined route segments;
a display device configured to display a graphical user interface (GUI); and
processing circuitry operatively coupled the storage device to access the current terrain data and the historical battery usage and battery health data, the processing circuitry being configured to:
access the current terrain data and the historical battery usage and battery health data from the storage device,
identify one or more candidate predetermined route segments for which to modify a current terrain to improve battery usage and battery health for one or more of the battery electric machines for future traversal of said one or more candidate predetermined route segments,
control display of, on the display device, each of the identified one or more candidate predetermined route segments for which to modify the current terrain to improve battery usage and battery health, and
control display of, on the display device, in response to selection of at least one of the one or more candidate predetermined route segments using the graphical user interface (GUI):
specific modification information to modify the current terrain of the selected at least one of the one or more candidate predetermined route segments in order to improve battery usage and battery health, and
estimated battery usage improvement information and estimated battery health improvement information associated with the specific modification information for modifying for the current terrain of the selected at least one of the one or more candidate predetermined route segments,
wherein the identified one or more candidate predetermined route segments for which to modify the current terrain to improve battery usage and battery health are displayed on the display device on a map of the worksite, and
wherein the identified one or more candidate predetermined route segments for which to modify the current terrain to improve battery usage and battery health are displayed on the display device so as to show prioritization in terms of greatest to least improvement of battery usage and battery health.

### Claim 2 (depends on 1)

The system according to claim 1,
wherein the processing circuitry is configured to determine that the current terrain of one or more of the candidate predetermined route segments should be physically modified to improve the battery usage and the battery health based on machine operating data from at least one of the battery electric machines, and
wherein the machine operating data includes battery usage data and/or battery health data associated with the at least one battery electric machine traversing the one or more candidate predetermined route segments.

### Claim 3 (depends on 1)

The system according to claim 1, further comprising a network, the processing circuitry being operatively coupled to the network,
wherein the processing circuitry is configured to output, via the network, one or more instructions to modify the current terrain of the selected at least one of the one or more candidate predetermined route segments according to the specific modification information to improve battery usage and battery health.

### Claim 4 (depends on 1)

The system according to claim 1, wherein possible modifications to the terrain include changing a slope or grade and/or changing a road surface characteristic.

### Claim 5 (depends on 1)

The system according to claim 1,
wherein improvement of battery usage includes, for each of the one or more candidate predetermined route segments, lessening an amount of energy used by a battery for each of the one or more candidate predetermined route segments, and
wherein improvement of battery health includes, for each of the one or more candidate predetermined route segments, limiting degradation of one or more battery performance-related characteristics.

### Claim 6 (depends on 1)

The system according to claim 1,
wherein the specific modification information to modify the current terrain of the selected at least one of the one or more candidate predetermined route segments includes multiple modification candidates for modifying the current terrain differently for each said selected candidate predetermined route segment, and
wherein the estimated battery usage improvement information and the estimated battery health improvement information are displayed for each of the multiple modification candidates.

### Claim 7

The system according to Claire wherein the processing circuitry is configured to:
receive battery usage data and battery health data, via a wireless network, from the battery electric machines, corresponding to previous traversals of the plurality of predetermined route segments of the worksite, and
store the received battery usage and batter-health data in the storage device as the historical battery usage and battery health data.

### Claim 8 (depends on 1)

The system according to claim 1, wherein the identified one or more candidate predetermined route segments for which to modify the current terrain to improve battery usage and battery health are displayed so as to show the prioritization in terms of balance between greatest to least improvement of battery usage and battery health and expenditure to make the specific modifications.

### Claim 9

A method for identifying modifications to a worksite for battery optimization of a battery electric machine traversing the worksite, the worksite being segmented according to a plurality of predetermined route segments, the method comprising:
identifying, using a processor, candidate predetermined route segments from among the plurality of predetermined route segments for which to modify a current terrain to improve battery usage and/or battery health for the battery electric machine upon future traversal of said candidate predetermined route segments compared to future traversal of said candidate predetermined route segments each having the current terrain without modification, said identifying candidate predetermined route segments being based on current terrain data and historical battery usage and/or historical battery health data for the candidate predetermined route segments;
outputting, on a display device, each of the identified candidate predetermined route segments for which to modify the current terrain to improve battery usage and/or battery health for the battery electric machine upon future traversal of said candidate predetermined route segments; and
outputting, on the display device, in response to selection of at least one of the candidate predetermined route segments:
specific modification information to modify the current terrain of the selected at least one candidate predetermined route segments to improve battery usage and/or battery health for the battery electric machine, and/or
estimated battery usage improvement information and/or estimated battery health improvement information associated with the specific modification information for the current terrain of the selected candidate predetermined route segments,
wherein said outputting on the display device each of the identified candidate predetermined route segments for which to modify the current terrain to improve battery usage and/or battery health for the battery electric machine upon future traversal of said candidate predetermined route segments is such that the identified candidate predetermined route segments are displayed on the display device according to prioritization in terms of greatest to least amount of improvement of the battery usage and/or the battery health.

### Claim 10 (depends on 9)

The method according to claim 9, further comprising outputting, using the processor, one or more instructions to modify the current terrain of the selected at least one of the candidate predetermined route segments according to the specific modification information to improve battery usage and/or battery health for the battery electric machine upon future traversal of said candidate predetermined route segments.

### Claim 11 (depends on 9)

The method according to claim 9, further comprising:
receiving battery usage and/or battery health data, via a wireless network, from the battery electric machine, for previous traversals of the plurality of predetermined route segments of the worksite; and
storing the received battery usage and/or battery health data in a storage device, which is accessible by the processor, as the historical battery usage and/or battery health data.

### Claim 12 (depends on 9)

The method according to claim 9, wherein the specific modification information to modify the current terrain of the selected at least one of the candidate predetermined route segments to improve battery usage and/or battery health for the battery electric machine involves adjustment of a regenerative braking operation for the battery electric machine along the selected candidate predetermined route segments.

### Claim 13 (depends on 9)

The method according to claim 9, further comprising displaying, on a graphical user interface (GUI) of the display device, on a map of the worksite, the identified candidate predetermined route segments for which to modify the current terrain to improve battery usage and/or battery health for the battery electric machine upon future traversal of said candidate predetermined route segments.

### Claim 14

A non-transitory computer-readable storage medium having stored thereon instructions that, when executed by one or more processors, causes the one or more processors to perform a method comprising:
determining, using current terrain data and historical battery usage data and/or battery health data, one or more of candidate route segments of a worksite to modify to improve battery usage and/or battery health for a vehicle upon future traversal of the one or more candidate route segments by the vehicle;
controlling output of, on a display device, each of the determined one or more of the candidate route segments for which to modify;
controlling output of, on the display device, estimated battery usage improvement information and/or estimated battery health improvement information for at least one selected candidate route segment from among the determined one or more of the candidate route segments; and
outputting, via a wireless network, signaling that eludes instructions to modify the at least one selected candidate route segment to improve the battery usage and/or the battery health according to the estimated battery usage improvement information and/or estimated battery health improvement information,
wherein said outputting signaling is to one or more autonomous vehicles to perform the modification to the selected at least one of the candidate route segment to improve the battery usage and/or the battery health.

### Claim 15 (depends on 14)

The iron-transitory computer-readable storage medium according to claim 14, wherein said controlling output of each of the determined one or more candidate route segments for which to modify is such that the determined one or more candidate route segments are displayed according to prioritization in terms of greatest to least amount of improvement of the battery usage and/or the battery health.

### Claim 16 (depends on 14)

The non-transitory computer-readable storage medium according to claim 14, further comprising receiving the current terrain data, the historical battery usage data, and the battery health data for a plurality of candidate route segments of the worksite, including the one or more of the candidate route segments.

### Claim 17 (depends on 16)

The non-transitory computer-readable storage medium according to claim 16, further comprising displaying, on a map of the worksite on a graphical user interface (GUI) of the display device, the determined one or more of the candidate route segments for which to modify to improve the battery usage and/or the battery health.
